156 results on '"NRD"'
Search Results
2. Combined atrial fibrillation ablation and left atrial appendage occlusion procedure in the United States: a propensity score matched analysis from 2016–2019 national readmission database
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Pasupula, Deepak Kumar, Malleshappa, Sudeep K Siddappa, Munir, Muhammad B, Bhat, Anusha Ganapati, Anandaraj, Antony, Jakkoju, Avaneesh, Spooner, Michael, Koranne, Ketan, Hsu, Jonathan C, Olshansky, Brian, and Camm, A John
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Patient Safety ,Heart Disease ,Cardiovascular ,Clinical Research ,Male ,Humans ,United States ,Middle Aged ,Aged ,Aged ,80 and over ,Female ,Atrial Fibrillation ,Patient Readmission ,Atrial Appendage ,Propensity Score ,Retrospective Studies ,Stroke ,Catheter Ablation ,Treatment Outcome ,LAAO ,Left Atrial Appendage Occlusion ,CA ,Percutaneous Catheter-directed Atrial Fibrillation Ablation ,MACE ,Major Adverse Cardiovascular Events ,NRD ,National Readmission Database ,CA – Percutaneous Catheter-directed Atrial Fibrillation Ablation ,LAAO – Left Atrial Appendage Occlusion ,MACE – Major Adverse Cardiovascular Events ,NRD – National Readmission Database ,Clinical Sciences ,Cardiovascular System & Hematology - Abstract
AimsThe safety and feasibility of combining percutaneous catheter ablation (CA) for atrial fibrillation with left atrial appendage occlusion (LAAO) as a single procedure in the USA have not been investigated. We analyzed the US National Readmission Database (NRD) to investigate the incidence of combined LAAO + CA and compare major adverse cardiovascular events (MACEs) with matched LAAO-only and CA-only patients.Methods and resultsIn this retrospective study from NRD data, we identified patients undergoing combined LAAO and CA procedures on the same day in the USA from 2016 to 2019. A 1:1 propensity score match was performed to identify patients undergoing LAAO-only and CA-only procedures. The number of LAAO + CA procedures increased from 28 (2016) to 119 (2019). LAAO + CA patients (n = 375, mean age 74 ± 9.2 years, 53.4% were males) had non-significant higher MACE (8.1%) when compared with LAAO-only (n = 407, 5.3%) or CA-only patients (n = 406, 7.4%), which was primarily driven by higher rate of pericardial effusion (4.3%). All-cause 30-day readmission rates among LAAO + CA patients (10.7%) were similar when compared with LAAO-only (12.7%) or CA-only (17.5%) patients. The most frequent primary reason for readmissions among LAAO + CA and LAAO-only cohorts was heart failure (24.6 and 31.5%, respectively), while among the CA-only cohort, it was paroxysmal atrial fibrillation (25.7%).ConclusionWe report an 63% annual growth (from 28 procedures) in combined LAAO and CA procedures in the USA. There were no significant difference in MACE and all-cause 30-day readmission rates among LAAO + CA patients compared with matched LAAO-only or CA-only patients.
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- 2023
3. Readmission rates in HIV-associated burkitt lymphoma patients in the USA: a nationwide readmission database (NRD) analysis
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Ashley M. Tuin, Clare M. Wieland, Elizabeth J. Dort, Danielle B. Dilsaver, and Manasa Velagapudi
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Burkitt Lymphoma ,HIV ,Antiretroviral therapy ,Hospital readmission ,NRD ,HIV associated Burkitt Lymphoma ,Immunologic diseases. Allergy ,RC581-607 - Abstract
Abstract Background People with human immunodeficiency virus have an increased risk of developing AIDS-defining malignancies including Burkitt lymphoma. Survival outcomes in HIV-associated Burkitt lymphoma remain worse than non-HIV-associated Burkitt lymphoma, despite widespread implementation of antiretroviral therapy. We aimed to determine the association between HIV status and risk for 30-day and 90-day readmission in the US after index hospitalization for Burkitt lymphoma. Methods Data were abstracted from the 2010–2020 Nationwide Readmissions Database; hospitalizations included patients with a primary BL diagnosis and were stratified by comorbid HIV. The primary outcome was all-cause readmission (30-day and 90-day). Secondary outcomes were in-hospital mortality, length of stay (LOS), and hospital cost. Between-HIV differences were evaluated via logistic and log-normal regression; multivariable models adjusted for comorbid kidney disease, hypertension, fluid and electrolyte disorders, and sepsis. Results Overall, there were 8,453 hospitalizations for BL and 6.0% carried an HIV diagnosis. Of BL hospitalizations, 68.4% were readmitted within 30-days post index BL hospitalization and 6.8% carried a HIV diagnosis. HIV-associated BL was associated with 43% higher adjusted odds of 30-day readmission (aOR 95% CI: 4% higher to 97% higher, p = 0.026). For 90-day readmission, 76.0% of BL patients were readmitted and 7.0% carried a HIV diagnosis. HIV-associated BL was not statistically associated with all-cause 90-day readmission (aOR 1.46, aOR 95% CI: 0% higher to 115% higher, p = 0.053). Conclusions HIV-positive status is associated with an increased risk for 30-day readmission after index hospitalization for Burkitt lymphoma.
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- 2023
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4. Readmission rates in HIV-associated burkitt lymphoma patients in the USA: a nationwide readmission database (NRD) analysis.
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Tuin, Ashley M., Wieland, Clare M., Dort, Elizabeth J., Dilsaver, Danielle B., and Velagapudi, Manasa
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HIV infection complications , *DIAGNOSIS of HIV infections , *HIV infections , *CANCER patient psychology , *DATABASES , *CONFIDENCE intervals , *TIME , *MULTIVARIATE analysis , *B cell lymphoma , *PATIENT readmissions , *RISK assessment , *SYMPTOMS , *DESCRIPTIVE statistics , *LOGISTIC regression analysis , *ODDS ratio , *CANCER patient medical care , *PSYCHOLOGY of HIV-positive persons - Abstract
Background: People with human immunodeficiency virus have an increased risk of developing AIDS-defining malignancies including Burkitt lymphoma. Survival outcomes in HIV-associated Burkitt lymphoma remain worse than non-HIV-associated Burkitt lymphoma, despite widespread implementation of antiretroviral therapy. We aimed to determine the association between HIV status and risk for 30-day and 90-day readmission in the US after index hospitalization for Burkitt lymphoma. Methods: Data were abstracted from the 2010–2020 Nationwide Readmissions Database; hospitalizations included patients with a primary BL diagnosis and were stratified by comorbid HIV. The primary outcome was all-cause readmission (30-day and 90-day). Secondary outcomes were in-hospital mortality, length of stay (LOS), and hospital cost. Between-HIV differences were evaluated via logistic and log-normal regression; multivariable models adjusted for comorbid kidney disease, hypertension, fluid and electrolyte disorders, and sepsis. Results: Overall, there were 8,453 hospitalizations for BL and 6.0% carried an HIV diagnosis. Of BL hospitalizations, 68.4% were readmitted within 30-days post index BL hospitalization and 6.8% carried a HIV diagnosis. HIV-associated BL was associated with 43% higher adjusted odds of 30-day readmission (aOR 95% CI: 4% higher to 97% higher, p = 0.026). For 90-day readmission, 76.0% of BL patients were readmitted and 7.0% carried a HIV diagnosis. HIV-associated BL was not statistically associated with all-cause 90-day readmission (aOR 1.46, aOR 95% CI: 0% higher to 115% higher, p = 0.053). Conclusions: HIV-positive status is associated with an increased risk for 30-day readmission after index hospitalization for Burkitt lymphoma. [ABSTRACT FROM AUTHOR]
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- 2023
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5. Między potępieniem a (n)ostalgią
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Katarzyna Gelles
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NRD ,dyktatura ,ostalgia ,rozrachunek z przeszłością ,politycznienie ,Law ,Political science - Abstract
BETWEEN CONDEMNATION AND (N)OSTALGIA: ON THE POLITISATION OF THE LEGACY OF GDR IN REUNIFIED GERMANY Reunified Germany emerged on the map of Europe in 1990. At first, settling an account with the communist Germany proceeded in a simplified way – everything about them seemed evil. Over time, this judgement became less biased and more comprehensive. At the beginning of the 21st century, the “trend for the East”, which was called Ostalgie, prevailed. From that point forward, dealing with their past balances between a sentimental journey to the time of the German Democratic Republic and a harsh assessment of that reality. Until this day, modern Germany constitutes two unequal parts, as the polls confirm. They continue to be divided by a mental barrier — an invisible ‘wall in people’s heads’, and many residents of the new lands still feel foreign in their own country. Their dissatisfaction is consciously and effectively exploited by the populist Alternative for Germany party. How the East German heritage becomes an instrument of political influence is the leading question of this article. The sources, mainly German, consist primarily of subject literature, documents, statistical reports and analysis of public opinion research centres, as well as comments of experts and press.
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- 2023
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6. MIĘDZY POTĘPIENIEM A (N)OSTALGIĄ: O UPOLITYCZNIANIU ENERDOWSKIEGO DZIEDZICTWA W ZJEDNOCZONYCH NIEMCZECH.
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GELLES, Katarzyna
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PUBLIC opinion polls ,POWER (Social sciences) ,SENTIMENT analysis ,TWENTY-first century ,STATISTICS - Abstract
Reunified Germany emerged on the map of Europe in 1990. At first, settling an account with the communist Germany proceeded in a simplified way – everything about them seemed evil. Over time, this judgement became less biased and more comprehensive. At the beginning of the 21st century, the “trend for the East”, which was called Ostalgie, prevailed. From that point forward, dealing with their past balances between a sentimental journey to the time of the German Democratic Republic and a harsh assessment of that reality. Until this day, modern Germany constitutes two unequal parts, as the polls confirm. They continue to be divided by a mental barrier — an invisible ‘wall in people’s heads’, and many residents of the new lands still feel foreign in their own country. Their dissatisfaction is consciously and effectively exploited by the populist Alternative for Germany party. How the East German heritage becomes an instrument of political influence is the leading question of this article. The sources, mainly German, consist primarily of subject literature, documents, statistical reports and analysis of public opinion research centres, as well as comments of experts and press. [ABSTRACT FROM AUTHOR]
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- 2023
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7. Readmission and Associated Factors in Surgical Versus Non-Surgical Management of Spinal Epidural Abscess: A Nationwide Readmissions Database Analysis.
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Pitaro, Nicholas L., Tang, Justin E., Arvind, Varun, Cho, Brian H., Geng, Eric A., Amakiri, Uchechukwu O., Cho, Samuel K., and Kim, Jun S.
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EPIDURAL abscess ,PATIENT readmissions ,DATABASES ,HOSPITAL admission & discharge ,LENGTH of stay in hospitals ,SURGICAL decompression - Abstract
Study Design: Retrospective cohort study. Objectives: Spinal epidural abscess (SEA) is a rare but potentially life-threatening infection treated with antimicrobials and, in most cases, immediate surgical decompression. Previous studies comparing medical and surgical management of SEA are low powered and limited to a single institution. As such, the present study compares readmission in surgical and non-surgical management using a large national dataset. Methods: We identified all hospital admissions for SEA using the Nationwide Readmissions Database (NRD), which is the largest collection of hospital admissions data. Patients were grouped into surgically and non-surgically managed cohorts using ICD-10 coding and compared using information retrieved from the NRD such as demographics, comorbidities, length of stay and cost of admission. Results: We identified 350 surgically managed and 350 non-surgically managed patients. The 90-day readmission rates for surgical and non-surgical management were 26.0% and 35.1%, respectively (P <.05). Expectedly, surgical management was associated with a significantly higher charge and length of stay at index hospital admission. Surgically managed patients had a significantly lower risk of readmission for osteomyelitis (P <.05). Finally, in patients with a low comorbidity burden, we observed a significantly lower 90-day readmission rate for surgically managed patients (surgical: 23.0%, non-surgical: 33.8%, P <.05). Conclusion: In patients with a low comorbidity burden, we observed a significantly lower readmission rate for surgically managed patients than non-surgically managed patients. The results of this study suggest a lower readmission rate as an advantage to surgical management of SEA and emphasize the importance of SEA as a not-to-miss diagnosis. [ABSTRACT FROM AUTHOR]
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- 2023
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8. Amyloidosis and 30-Day Outcomes Among Patients With Heart Failure: A Nationwide Readmissions Database Study.
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Arora, Sameer, Patil, Nikita S, Strassle, Paula D, Qamar, Arman, Vaduganathan, Muthiah, Fatima, Amber, Mogili, Kalyan, Garipalli, Deepak, Grodin, Justin L, Vavalle, John P, Fonarow, Gregg C, Bhatt, Deepak L, and Pandey, Ambarish
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ATTR ,transthyretin amyloidosis ,CCI ,Charlson comorbidity index ,CI ,confidence interval ,CV ,cardiovascular ,HF ,heart failure ,ICD-9-CM ,International Classification of Diseases-9th Revision-Clinical Modification ,LOS ,length of stay ,NRD ,Nationwide Readmissions Database ,OR ,odds ratio ,amyloidosis ,heart failure ,mortality ,readmissions ,Aging ,Heart Disease ,Cardiovascular ,Clinical Research - Abstract
BackgroundThe burden of amyloidosis among hospitalized patients is increasing over time. However, amyloidosis remains an underdiagnosed cause of heart failure (HF) hospitalization among older adults.ObjectivesWe investigated the prevalence and prognostic implications of amyloidosis among patients hospitalized with HF.MethodsAll hospitalizations for primary diagnosis of HF between January 1, 2010, and August 31, 2015, identified in the Nationwide Readmissions Database were categorized into those with and without a secondary diagnosis of amyloidosis. HF hospitalizations with amyloidosis were then matched in a 3:1 fashion to HF hospitalizations without amyloidosis using the year of admission, discharge quarter, age, sex, and Charlson comorbidity index. Primary outcomes were inpatient mortality and 30-day readmission. Multivariable logistic regression was used to estimate the association between HF with amyloidosis and clinical outcomes.ResultsOf 1,593,360 HF hospitalizations that met inclusion criteria, 2,846 (0.18%) had HF with a secondary diagnosis of amyloidosis and were matched to 8,515 hospitalizations for HF without amyloidosis. Hospitalizations for HF with amyloidosis were associated with higher prevalence of kidney disease (56% vs. 45%), malignancy (20% vs. 4%), and higher inpatient mortality (6% vs. 3%) as compared with HF without amyloidosis. In adjusted analyses, HF with amyloidosis was associated with higher odds of in-hospital mortality (odds ratio: 1.46; 95% confidence interval [CI]: 1.17 to 1.82), 30-day readmission (odds ratio: 1.17; 95% CI: 1.05 to 1.31), and longer mean length of stay (least-squares mean difference: 1.46; 95% CI: 1.12 to 1.80).ConclusionsIn patients hospitalized with decompensated HF, presence of amyloidosis was associated with higher risk of inpatient mortality and 30-day readmission.
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- 2020
9. Systemic lupus erythematous readmissions have reduced: a 9-year longitudinal study of the nationwide readmission database.
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Idolor, Osahon, Edigin, Ehizogie, Eseaton, Precious Obehi, Trang, Amy, Kichloo, Asim, Shaka, Hafeez, Bazuaye, Efosa Martins, Okobia, Nelson Onyekachukwu, Eboma, John Emeke, Uwumiro, Fidelis, Sandhu, Vaneet Kaur, and Manadan, Augustine
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PATIENT readmissions , *DATABASES , *LENGTH of stay in hospitals , *LOGISTIC regression analysis , *LONGITUDINAL method - Abstract
Background: Longitudinal data on the trends in systemic lupus erythematous (SLE) readmissions are limited. We aimed to study trends in 30-day readmissions of patients admitted for SLE flares and all SLE hospitalizations in the USA from 2010 to 2018. Materials and methods: Data were obtained from the nationwide readmission database (NRD). We performed a retrospective 9-year longitudinal trend analysis using the 2010–2018 NRD databases. We searched for index hospitalizations of adult patients diagnosed with SLE using the International Classification of Diseases (ICD) codes. Elective and traumatic readmissions were excluded from the study. Multivariable logistic and linear regression analyses were used to calculate the adjusted p value trend for categorical and continuous outcomes, respectively. Results: The 30-day readmissions following index admissions of all SLE patients and for SLE flares decreased from 15.6% in 2010 to 13.3% in 2018 (adjusted p trend < 0.0001), and 20.3% in 2010 to 17.6% in 2018 (adjusted p trend = 0.009) respectively. Following SLE-flare admissions, hospital length of stay (LOS) decreased from 6.7 to 6 days (adjusted p trend = 0.045), while the proportion with a Charlson comorbidity index (CCI) score ≥ 3 increased from 42.2 to 54.4% (adjusted p trend < 0.0001) during the study period. SLE and its organ involvement, sepsis, and infections were common reasons for 30-day readmissions. Conclusion: About 1 in 5 SLE-flare admissions resulted in a 30-day readmission. The 30-day readmissions following index hospitalization for SLE flares and all SLE hospitalizations have decreased in the last decade. Although the readmission LOS was reduced, the CCI score increased over time. Key Points • The 30-day readmissions following index hospitalization for SLE flares and all SLE hospitalizations have reduced in the last decade although the CCI score increased over time. • SLE, its organ involvement, and infections are common reasons for readmission. • Infection control strategies, optimal management of SLE and its complications, and emphasis on an ideal transition of care are essential in reducing SLE readmissions. [ABSTRACT FROM AUTHOR]
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- 2023
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10. Numerical analysis of various plasmonic MIM/MDM slot waveguide structures.
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Pittala, Chandra Shaker, Vallabhuni, Rajeev Ratna, Vijay, Vallabhuni, Anam, Usha Rani, and Chaitanya, Kancharapu
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This article presents a study and comparison of the plasmonic non-radiating dielectric (NRD) waveguide and slot waveguide simulations, which includes the reproduction and comparison of the reported results in previous literature. These simulated results help us understand the different solver and their settings for such high-frequency applications. Also, it cross-verify the concepts related to this colorful field. Most of the related articles reproduced in this article are either fabricated or based on pure simulations. They discuss or examine the properties such as dispersion curves, propagation length along with the slot, propagation loss, and electric field magnitude or intensity plot SPP propagation. [ABSTRACT FROM AUTHOR]
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- 2022
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11. Ubiquitin-dependent translation control mechanisms: Degradation and beyond.
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Ford PW, Narasimhan M, and Bennett EJ
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Translation control mechanisms connect the largely static genome to the highly dynamic proteome. At each step in the translation cycle, multiple layers of regulation enable efficient protein biogenesis under optimal conditions and mediate responses to acute environmental challenges. Recent research has demonstrated that individual ribosomal protein ubiquitylation events act as molecular signals to specify quality control pathway outcomes. Here, we synthesize current knowledge of ubiquitin-mediated translation control mechanisms and highlight key outstanding questions. We compare and contrast ubiquitin-dependent mechanisms that regulate ribosome-associated quality control pathways at several steps in the translation cycle. We also explore how distinct ribosome ubiquitylation events on specific ribosomal proteins impact translation activity and how defects in specific ubiquitin-mediated regulatory steps impact physiology and health., Competing Interests: Declaration of interests The authors declare no competing interests., (Copyright © 2024 The Authors. Published by Elsevier Inc. All rights reserved.)
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- 2024
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12. Readmissions and costs among younger and older adults for targeted conditions during the enactment of the hospital readmission reduction program
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Chi-Hua Lu, Collin M. Clark, Ryan Tober, Meghan Allen, Walter Gibson, Edward M. Bednarczyk, Christopher J. Daly, and David M. Jacobs
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Readmissions ,NRD ,Younger adults ,HRRP ,Targeted conditions ,Costs ,Public aspects of medicine ,RA1-1270 - Abstract
Abstract Background The Hospital Readmissions Reduction Program (HRRP) was introduced to reduce readmission rates among Medicare beneficiaries, however little is known about readmissions and costs for HRRP-targeted conditions in younger populations. The primary objective of this study was to examine readmission trends and costs for targeted conditions during policy implementation among younger and older adults in the U.S. Methods We analyzed the Nationwide Readmission Database from January 2010 to September 2015 in younger (18–64 years) and older (≥65 years) patients with acute myocardial infarction (AMI), heart failure (HF), pneumonia, and acute exacerbations of chronic obstructive pulmonary disease (AECOPD). Pre- and post-HRRP periods were defined based on implementation of the policy for each condition. Readmission rates were evaluated using an interrupted time series with difference-in-difference analyses and hospital cost differences between early and late readmissions (≤30 vs. > 30 days) were evaluated using generalized linear models. Results Overall, this study included 16,884,612 hospitalizations with 3,337,266 readmissions among all age groups and 5,977,177 hospitalizations with 1,104,940 readmissions in those aged 18–64 years. Readmission rates decreased in all conditions. In the HRRP announcement period, readmissions declined significantly for those aged 40–64 years for AMI (p
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- 2021
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13. Wielokulturowość w filmach NRD? Próba opisania zjawiska, którego mogło nie być
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Andrzej Gwóźdź
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pamięć kulturowa ,emigracja polityczna ,mniejszości etniczne ,kulturocentryzm ,NRD ,nacjonalizm ,Communication. Mass media ,P87-96 - Abstract
Z filmów wytwórni Defa autor wywodzi hipotezę reglamentowanego multikulturalizmu kina NRD. Wskazuje na dyskursy multikulturowe w filmach na temat dalszej i bliższej historii: wielokulturowego pogranicza Prus Zachodnich w końcu XIX w. (Młyn Lewina, reż. Horst Seemann, 1980) czy konfrontacji kultury pruskiej i urugwajskiej na przełomie XVIII i XIX w. (Zdobywanie Chimborazo, reż. Rainer Simon, 1989). Podejmuje kwestię konfrontacji kultury NRD-owskiej i polskiej (Klucze, reż. Egon Günther, 1972/1974; Przez siedem mostów musisz przejść, reż. Hans Werner, 1978). Proponuje namysł nad propagandowym lokowaniem wizerunków Angeli Davis i Deana Reeda w dwóch filmach związanych z X Światowym Festiwalem Młodzieży i Studentów w Berlinie w sierpniu 1973 r. Główny akcent zostaje zaś położony na filmy tematyzujące emigrację polityczną z Ameryki Południowej (Kwiecień ma 30 dni, reż. Gunther Scholz, 1979; Izabela na schodach, reż. Hannelore Unterberg, 1984; Blond Tango, reż. Lothar Warneke, 1986).
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- 2022
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14. Co władze NRD wiedziały o przygotowaniach do stanu wojennego w Polsce?
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GAŃCZAK, FILIP
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As early as August 1980, the GDR authorities were monitoring their communist allies in Poland to see if there were any plans to suppress the ongoing strikes and later to pacify the Independent Self-Governing Trade Union “Solidarność”. Reports on this topic were provided by the Ministry for State Security (Stasi), military intelligence and the embassy in Warsaw, among others. Initially, such information was coming in only sporadically. With time – and especially since September 1981 – more regularly and more in-depth. Specific undertakings were reported: prepared lists of arrests, plans for a military takeover of the mass media and the dissolution of all political parties. Still, these signals were underestimated by the East German analysts. They ignored General Wojciech Jaruzelski’s growing readiness to confront the opposition and preferred to trust these voices in the Polish United Workers’ Party that expressed doubts about the ability of the First Secretary to use force. [ABSTRACT FROM AUTHOR]
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- 2022
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15. Begrenzung und Ausgrenzung: Die Mauer in Bertolt Brechts Gedicht Der Blumengarten (1953).
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Hillesheim, Jürgen
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FLOWER gardening ,ELEGIAC poetry ,AMBIGUITY ,POETRY (Literary form) ,MOTIVATION (Psychology) ,SOUND art - Abstract
Copyright of Wortfolge. Szyk Słów is the property of Wydawnictwo Uniwersytetu Slaskiego and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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- 2022
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16. Thirty-day readmissions among patients with cardiogenic shock who underwent extracorporeal membrane oxygenation support in the United States: Insights from the nationwide readmissions database
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Abdulelah Nuqali, Amandeep Goyal, Prakash Acharya, Ioannis Mastoris, Tarun Dalia, Wan-Chi Chan, Andrew Sauer, Nicholas Haglund, Andrija Vidic, Travis Abicht, Matthew Danter, Kamal Gupta, Joseph E. Tonna, and Zubair Shah
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Extracorporeal membrane oxygenation ,30 days readmissions ,Cardiogenic shock ,Heart failure ,NRD ,Diseases of the circulatory (Cardiovascular) system ,RC666-701 - Abstract
Background: There is a paucity of data on readmission rates and predictors of readmissions in cardiogenic shock patients after contemporary Extracorporeal Membrane Oxygenation (ECMO) use. Methods: Using the Nationwide Readmission Database, we included adult patients (≥18 years old) hospitalized between January to November 2016–2018 for cardiogenic shock requiring ECMO support. Thirty-day readmission rates, associated variables, and predictors of readmission were assessed. Results: A total of 10,723 patients underwent ECMO for cardiogenic shock. After excluding patients who died (n = 5602; 52%) and who underwent LVAD or OHT during index admission (n = 892; 8%), 4229 patients discharged alive were included. Of those, 694 (16.4%) were readmitted within 30 days. The median time to readmission was 10 days. Diabetes mellitus (OR = 1.77; 95% CI 1.32–2.37), chronic liver disease (OR = 1.35; 95% CI 1.03–1.77), and prolonged LOS (≥30 days; OR = 1.38; 95% CI 1.05–1.81) were associated with increased risk of 30-day readmissions while heart failure diagnosis (OR = 0.69; 95% CI 0.50–0.95) and short-term hospital post-discharge care (OR = 0.53; 95% CI 0.28–0.99) conferred a lower risk. Sepsis, followed by congestive heart failure, was the most common readmission diagnoses. Conclusions: Patients with CS requiring ECMO support have high mortality and high 30-day readmission rates, with sepsis being the leading cause of readmissions followed by heart failure.
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- 2022
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17. Rehospitalization, Treatment, and Resource Use After Inpatient Admission for Achalasia in the USA.
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Gupta, Kamesh, Khan, Ahmad, Chalhoub, Jean, Groudan, Kevin, and Desilets, David
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PATIENT readmissions , *ADULTS , *HOSPITAL mortality , *DEATH rate , *MYOTOMY - Abstract
Introduction: Readmission for achalasia treatment is associated with significant morbidity and cost. Factors predictive of readmission would be useful in identifying patients at risk. Methods: We performed a retrospective study using the Nationwide Readmission Database for the year 2016 and 2017. We collected data on hospital readmissions of 17,848 adults who were hospitalized for achalasia and discharged. The 30-day readmission rate as well as the primary cause, mortality rate, in-hospital adverse events, and total hospitalization charges were examined. A cox multivariate regression model was used to identify independent risk factors for 30-day readmission, including the surgical or endoscopic treatment used during the index admission. Results: From 2016 to 2017, the 30-day readmission rate for index admission with achalasia was 15.2%. Of these 15.2%, 34% were readmitted with persistent symptoms of achalasia or treatment-related complications. Older age, higher comorbidity index, possessing private insurance, and those with either pneumatic balloon dilation or no endoscopic/surgical treatment showed higher odds of readmission on multivariate analysis. Those treated with laparoscopic Heller myotomy (LHM) or peroral endoscopic myotomy (POEM) showed lower odds of readmission. There was no difference in rates of readmission between those undergoing POEM or LHM, but mortality rate for readmission was significantly higher for the LHM group. The in-hospital mortality rate and length of stay were significantly higher for readmissions (p < 0.01) than the index admissions. Conclusion: Three in 20 patients admitted with achalasia are likely to be readmitted within 30 days of their initial hospitalization, a number which can be higher in untreated patients and in those with multiple comorbidities. Rehospitalizations bear a higher mortality rate than the initial admission and present a burden to the healthcare system. [ABSTRACT FROM AUTHOR]
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- 2021
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18. A Test of Two Methods for Waste Rock Drainage Quality Prediction: Aqua Regia Extraction and Single-addition Net-acid Generation Test Leachate Analysis.
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Karlsson, Teemu, Alakangas, Lena, Kauppila, Päivi, and Räisänen, Marja Liisa
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LEACHATE , *ACID mine drainage , *MINE waste , *DRAINAGE , *TEST methods - Abstract
The mobility of contaminants from mine waste can be assessed using different extraction methods. Aqua regia (AR) extraction is the most commonly used method in Finland. Another method is the analysis of leachate from net acid generation (NAG) tests, which is primarily designed for acid production potential assessment. We investigated the performance of single-addition NAG test leachate analysis and AR extraction in drainage quality prediction, using waste rock and drainage water samples from several Finnish waste rock sites. Our objective was to improve interpretation of the AR and single-addition NAG test leachate analysis results in drainage quality prediction. The AR extraction effectively reflected elements that occurred in elevated concentrations in drainage water, though it over-predicted Al, As, Cd, Co, Cu, and Ni in some circumneutral drainages, and Cr in general. The single-addition NAG test leachate analysis also performed well in assessing the mobility of contaminants including Al and Cr at acid mine drainage sites. As the contaminants tend to precipitate in neutral NAG test solution, the usability of the method in neutral mine drainage cases should be further investigated. Furthermore, the conclusions presented in this study are limited to waste rock samples collected from the surface of piles; future work will examine waste rock history, dump cores, drainage quality changes, etc. in more detail. [ABSTRACT FROM AUTHOR]
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- 2021
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19. Characteristics of 30-day readmission in spontaneous pneumothorax in the United States: a nationwide retrospective study
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Osama Mukhtar, Binav Shrestha, Mazin Khalid, Oday Alhafdh, Praveen Datar, Bikash Bhattarai, Manal Bakhiet, Vijay Gayam, Mowyad Khalid, Joseph Quist, Danilo Enriquez, and Frances Schmidt
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Pneumothorax ,readmission ,mortality ,NRD ,AHRQ database ,Internal medicine ,RC31-1245 - Abstract
Objective: Our study aimed to determine the national estimates of the 30-day all-cause readmission rate among patients with spontaneous pneumothorax and to investigate the burden of these readmissions in terms of mortality, length of stay and hospitalization costs in the USA. Methods: We utilized the Nationwide Readmission Database for 2013–2014 and identified adults with a primary diagnosis of spontaneous pneumothorax. We analyzed and reported patient- and hospital-level variables of the study cohort. Our primary outcome was 30-day readmission rate, including the reasons for readmission. Our secondary outcomes included all-cause mortality, resources utilization and predictors of readmissions. Results: We identified 47,108 index admissions with spontaneous pneumothorax. The 30-day readmission rate was 13.6%. The most common reason for admission was recurrent pneumothorax. In index admissions, the in-hospital mortality rate was 3.1%; whereas, in readmissions, the mortality was higher (4.6%, p < 0.001). Both age group 45–64 (HR: 1.31, 95% CI: [1.15–1.49], p < 0.001) and history of cancer (HR: 1.34, 95% CI: [1.17–1.53], p < 0.001) were found to predict the risk of 30-day readmission. Conclusion: The 30-day readmission rate in patients with spontaneous pneumothorax was 13.6%, and a recurrent event was the most likely cause. The 30-day readmissions were associated with higher mortality and hospitalization charges. Middle age and history of cancer increase likelihood of 30-day readmission.
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- 2019
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20. Lower household income is associated with an increased risk of hospital readmission in patients with decompensated cirrhosis.
- Author
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Brahmania, Mayur, Wiskar, Katie, Walley, Keith R, Celi, Leo A, and Rush, Barret
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- *
PATIENT readmissions , *HOSPITAL patients , *CIRRHOSIS of the liver , *HOSPITAL admission & discharge , *HOUSEHOLDS - Abstract
Background and Aim: The impact of household income, a surrogate of socioeconomic status, on hospital readmission rates for patients with decompensated cirrhosis has not been well characterized. Methods: The Nationwide Readmission Database from 2012 to 2014 was used to study the association of lower median household income on 30‐, 90‐, and 180‐day hospital readmission rates for patients with decompensated cirrhosis. Results: From the 42 679 001 hospital admissions contained in the sample, there were 82 598 patients with decompensated cirrhosis who survived a hospital admission in the first 6 months of the year. During a uniform 6‐month follow‐up period, 25 914 (31.4%), 39 928 (48.3%), and 47 496 (57.5%) patients were readmitted at 30, 90, and 180 days, respectively. After controlling for demographic and clinical confounders, patients residing in the three lowest income quartiles were significantly more likely to be readmitted at 30 days than those in the fourth quartile (first quartile, odds ratio [OR] 1.32 [95% confidence interval, CI, 1.17–1.47, P < 0.01]; second quartile, OR 1.25 [95% CI 1.13–1.38, P < 0.01]; and third quartile, OR 1.08 [95% CI 0.97–1.20, P = 0.07]). The association between lower socioeconomic status and the higher risk of readmissions persisted at 90 days (first quartile, OR 1.21 [95% CI 1.14–1.30, P < 0.01]) and 180 days (first quartile, OR 1.32 [95% CI 1.20–1.44, P < 0.01]). Conclusion: Patients with decompensated cirrhosis residing in the lowest income quartile had a 32% higher odds of hospital readmissions at 30, 90, and 180 days compared with those in the highest income quartile. [ABSTRACT FROM AUTHOR]
- Published
- 2021
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21. Readmission and Resource Use After Robotic-Assisted versus Open Pancreaticoduodenectomy: 2010-2017.
- Author
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Aguayo, Esteban, Antonios, James, Sanaiha, Yas, Dobaria, Vishal, Kwon, Oh Jin, Sareh, Sohail, Benharash, Peyman, and King, Jonathan C.
- Subjects
- *
PANCREATICODUODENECTOMY , *HOME care services , *NURSING care facilities - Abstract
Unplanned rehospitalization is considered an adverse quality of care indicator. Minimally invasive operations carry the potential to reduce resource use while enhancing recovery. Robotic-assisted pancreaticoduodenectomy (RAPD) has been used to improve outcomes of its morbid open counterpart. We sought to identify factors associated with readmission between RAPD and open pancreaticoduodenectomy (OPD). We used the 2010-17 National Readmissions Database to identify adults who underwent RAPD or OPD. The primary outcome was 30-day readmission. Secondary outcomes included readmission diagnosis: index, readmission, and total (index + readmission) length of stay, costs, and mortality. Of an estimated 84,036 patients undergoing pancreaticoduodenectomy, 96.9% survived index hospitalization. Frequency of both RAPD and OPD increased during the study period with similar mortality (2.5% versus 3.2%, P = 0.46). Compared with OPD , RAPD was not an independent predictor of 30-day readmission (adjusted odds ratio (AOR): 1.0, P = 0.98). Disposition with home health care (AOR: 1.1, P < 0.001) or to a skilled nursing facility (AOR: 1.5, P < 0.001) was significantly associated with increased 30-day readmission. Readmission after pancreaticoduodenectomy is common, regardless of surgical approach. Although RAPD saves in-patient days on index admission, readmission rates and length of stay are similar between the two modalities. Neither RAPD nor OPD is a risk factor for readmission, highlighting the complexity of pancreaticoduodenectomy, with complications that may result from factors independent of the operative approach. [ABSTRACT FROM AUTHOR]
- Published
- 2020
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22. Rates, predictors, and outcomes of early readmissions after tricuspid valve surgery.
- Author
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Dhoble, Abhijeet, Peerbhai, Shareez, Zhao, Yelin, Vejpongsa, Pimprapa, Garcia‐Sayan, Enrique, Smalling, Richard W., Estrera, Anthony, Nguyen, Tom C., and Garcia-Sayan, Enrique
- Subjects
- *
TRICUSPID valve surgery , *AORTIC valve transplantation , *CORONARY artery bypass , *TRICUSPID valve , *HEART valves , *MITRAL valve - Abstract
Background: The data on readmissions following tricuspid valve repair/replacement (TVR) are scarce. We examined rates, predictors, causes, and outcomes of readmissions after TVR, using the National Readmission Database.Methods: The International Classification of Diseases-9th version was used to identify the patients who underwent isolated TVR or concomitant aortic, mitral, and coronary bypass surgeries. Rates, causes, and outcomes were assessed using the analysis of variance and the χ2 test, and predictors of readmissions were evaluated using multivariate analysis.Results: A total of 8254 patients who underwent TVR during 2013 to 2014 were included, of whom 1994 (24.16%) were isolated, and 6260 (75.84%) were performed concomitantly with other heart valve or coronary bypass surgery. A total of 1720 (20.84%) patients were readmitted within 30 days. The readmission rates were 448 (22.46%) after isolated TVR and similar after concomitant TVR (TVR + aortic valve replacement, TVR + mitral valve repair, TVR + coronary artery bypass graft, and TVR + multiple) (P = .194); whereas 1305 (20.11%) and 414 (23.45%) were after tricuspid valve repair and replacement (P = .080), respectively. The independent predictors of readmission were acute kidney injury during index visit and Charlson comorbidity index of more than 2. Mean time to readmission and median length of stay during readmission were 13.02 (±7.93) and 5 (interquartile range: 3-9) days, respectively. Total mortality during rehospitalization was 105 (6.1%), a very high (26.86%) number of patients were discharged to skilled facilities after readmission.Conclusions: One out of five patients were readmitted within 30 days after the TVR, associated with 6.1% mortality during rehospitalization, and very high need for skilled facility placement. [ABSTRACT FROM AUTHOR]- Published
- 2020
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23. Henryk Sienkiewicz's output and literary censorship in the DDR.
- Author
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Rajch, Marek
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CENSORSHIP ,INTERNET censorship ,NOBEL Prize winners ,PUBLISHING ,NATIONAL socialism ,YOUNG adults ,YOUNG adult fiction ,NOVELLAS (Literary form) - Abstract
Copyright of Acta Universitatis Lodziensis. Folia Litteraria Polonica is the property of Wydawnictwo Uniwersytetu Lodzkiego and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
- Published
- 2020
- Full Text
- View/download PDF
24. Risk Factors for 90-day Readmissions With Fluid and Electrolyte Disorders Following Posterior Lumbar Fusion.
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Ranti, Daniel, Mikhail, Christopher M., Ranson, William, Cho, Brian, Warburton, Andrew, Rutland, John W., Cheung, Zoe B., and Cho, Samuel K.
- Subjects
- *
WATER-electrolyte imbalances , *SUBSTANCE-induced disorders , *MEDICAL care costs , *BIVARIATE analysis , *FLUID therapy , *REGRESSION analysis , *DATABASES , *SURGICAL complications , *PATIENT readmissions , *RETROSPECTIVE studies , *SPINAL fusion , *ELECTROLYTES , *LONGITUDINAL method - Abstract
Study Design: Retrospective cohort study of the 2012 to 2014 Healthcare Cost and Utilization Project Nationwide Readmissions Database.Objective: To identify risk factors for 30- and 90-day readmission due to fluid and electrolyte disorders following posterior lumbar fusion.Summary Of Background Data: Thirty- and 90-day readmission rates are important quality and outcome measures for hospitals and physicians. These measures have been tied to financial penalties for abnormally high rates of readmission. Furthermore, complex and high cost surgeries have been increasingly reimbursed in the form of bundled disease resource group payments, where any treatment within 90-day postdischarge is covered within the original bundled payment scheme.Methods: A total of 65,121 patients in the Healthcare Cost and Utilization Project Nationwide Readmissions Database met our inclusion criteria, of which 1128 patients (1.7%) were readmitted within 30 days, and 1669 patients (2.6%) were readmitted within 90 days due to fluid and electrolyte abnormalities. A bivariate analysis was performed to compare baseline characteristics between patients readmitted with fluid and electrolyte disorders and the remainder of the cohort. A multivariate regression analysis was then performed to identify independent risk factors for readmission due to fluid and electrolyte disorders at 30 and 90 days.Results: The strongest independent predictors of 30-day readmissions were age ≥80 years, age 65 to 79 years, age 55 to 64 years, liver disease, and drug use disorder. The five strongest predictors of 90-day readmissions were age ≥80 years, age 65 to 79 years, age 55 to 64 years, liver disease, and fluid and electrolyte disorders.Conclusion: Patients with baseline liver disease, previously diagnosed fluid and electrolyte disorders, age older than 55 years, or drug use disorders are at higher risk for readmissions with fluid and electrolyte disorders following posterior lumbar fusion. Close monitoring of fluid and electrolyte balance in the perioperative period is essential to decrease complications and reduce unplanned readmissions.Level Of Evidence: 3. [ABSTRACT FROM AUTHOR]- Published
- 2020
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25. Understanding nationwide readmissions after parotidectomy.
- Author
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Mukdad, Laith, Goel, Alexander N., Nasser, Hassan B., and St. John, Maie A.
- Abstract
Objectives: To evaluate the incidence, causes, risk factors, and costs associated with 30-day readmissions in parotidectomy patients utilizing the Nationwide Readmissions Database (NRD).Study Design: Retrospective cohort study.Methods: We examined the NRD for patients who underwent parotidectomy between 2010 and 2014. Rates, causes, and costs of 30-day readmissions were determined. Multivariate logistic regression was used to identify risk factors for readmission.Results: Among 15,102 included patients, 594 (3.9%) were readmitted within 30 days. The average cost per readmission was $12,502. Infectious (22.7%) and wound (11.2%) complications were the two most common causes of readmission. After controlling for other covariates, significant predictors of readmission included advanced comorbidity (odds ratio [OR], 1.61; 95% confidence interval [CI], 1.09-2.37), a malignant parotid tumor (OR, 2.37; 95% CI, 1.63-3.43), length of stay ≥2 days (OR, 1.54; 95% CI, 1.09-2.18), and nonroutine discharge destinations (home with care [OR, 1.88; 95% CI, 1.27-2.78] and nursing facility [OR, 2.69; 95% CI, 1.55-4.67]).Conclusion: In this nationwide database analysis, we found that nearly 4% of all patients undergoing parotidectomy are readmitted within 30 days. Readmissions are commonly due to infections and wound complications. Quality improvement proposals targeting avoidable readmissions should focus on early recognition and prevention of infection and wound complications. Risk factors contributing to readmission include advanced comorbidity, malignant parotid tumor, prolonged index hospitalization, and nonroutine discharge destinations.Level Of Evidence: NA Laryngoscope, 130:1212-1217, 2020. [ABSTRACT FROM AUTHOR]- Published
- 2020
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26. Kompromitacja, słabość, tandeta? Kultura materialna NRD w filmie po 1990 roku na wybranych przykładach.
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Brzezińska-Pająk, Marta
- Subjects
- *
MATERIAL culture , *CONSUMPTION (Economics) , *FILMMAKING , *NOSTALGIA , *EVERYDAY life - Abstract
The article focuses on the material culture of the German Democratic Republic (GDR) as portrayed in selected German films made after 1990 and set in the GDR. The objects that are used in the films serve as a special kind of artefacts, symbolizing the reality of the GDR and defining it as imperfect, below expectations, and inefficient in meeting consumer demand. An important point of reference in the article is the context of post-communist nostalgia, which is a source of interesting symbolic redefinitions. [ABSTRACT FROM AUTHOR]
- Published
- 2020
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- View/download PDF
27. Opioid use disorder in admissions for acute exacerbations of chronic pancreatitis and 30-day readmission risk: A nationwide matched analysis.
- Author
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Charilaou, Paris, Mohapatra, Sonmoon, Joshi, Tejas, Devani, Kalpit, Gadiparthi, Chiranjeevi, Pitchumoni, Capecomorin S., and Broder, Arkady
- Abstract
The opioid epidemic in the United States has been on the rise. Acute exacerbations of chronic pancreatitis (AECP) patients are at higher risk for Opioid Use Disorder (OUD). Evidence on OUD's impact on healthcare utilization, especially hospital re-admissions is scarce. We measured the impact of OUD on 30-day readmissions, in patients admitted with AECP from 2010 to 2014. This is a retrospective cohort study which included patients with concurrently documented CP and acute pancreatitis as first two diagnoses, from the National Readmissions Database (NRD). Pancreatic cancer patients and those who left against medical advice were excluded. We compared the 30-day readmission risk between OUD-vs.-non-OUD, while adjusting for other confounders, using multivariable exact-matched [(EM); 18 confounders; n = 28,389] and non-EM regression/time-to-event analyses. 189,585 patients were identified. 6589 (3.5%) had OUD. Mean age was 48.7 years and 57.5% were men. Length-of-stay (4.4 vs 3.9 days) and mean index hospitalization costs ($10,251 vs. $9174) were significantly higher in OUD-compared to non-OUD-patients (p < 0.001). The overall mean 30-day readmission rate was 27.3% (n = 51,806; 35.3% in OUD vs. 27.0% in non-OUD; p < 0.001). OUD patients were 25% more likely to be re-admitted during a 30-day period (EM-HR: 1.25; 95%CI: 1.16–1.36; p < 0.001), Majority of readmissions were pancreas-related (60%), especially AP. OUD cases' aggregate readmissions costs were $23.3 ± 1.5 million USD (n = 2289). OUD contributes significantly to increased readmission risk in patients with AECP, with significant downstream healthcare costs. Measures against OUD in these patients, such as alternative pain-control therapies, may potentially alleviate such increase in health-care resource utilization. [ABSTRACT FROM AUTHOR]
- Published
- 2020
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28. Between pottery and politics? "Slavic archaeology" in communist Poland and East Germany and its interrelations with politics and ideology. A biographical-comparative approach.
- Author
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Kluger, Anne
- Subjects
ARCHAEOLOGY ,HISTORY of science ,NATURAL history ,COMMUNISTS - Abstract
Copyright of Studia Historiae Scientiarum is the property of Jagiellonian University Press and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
- Published
- 2020
- Full Text
- View/download PDF
29. Riparian Vegetation Density Mapping of an Extremely Densely Vegetated Confined Floodplain
- Author
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István Fehérváry and Tímea Kiss
- Subjects
riparian vegetation ,LiDAR ,machine learning ,NRD ,flood level increase ,Science - Abstract
The most crucial function of lowland-confined floodplains with low slopes is to support flood conveyance and fasten floods; however, obstacles can hinder it. The management of riparian vegetation is often neglected, though woody species increase the vegetation roughness of floodplains and increase flood levels. The aims are (1) to determine the branch density of various riparian vegetation types in the flood conveyance zone up to the level of artificial levees (up to 5 m), and (2) to assess the spatial distribution of densely vegetated patches. Applying a decision tree and machine learning, six vegetation types were identified with an accuracy of 83%. The vegetation density was determined within each type by applying the normalized relative point density (NRD) method. Besides, vegetation density was calculated in each submerged vegetation zone (1–2 m, 2–3 m, etc.). Thus, the obstacles for floods with various frequencies were mapped. In the study area, young poplar plantations offer the most favorable flood conveyance conditions, whereas invasive Amorpha thickets and the dense stands of native willow forests provide the worst conditions for flood conveyance. Dense and very dense vegetation patches are common in all submerged vegetation zones; thus, vegetation could heavily influence floods.
- Published
- 2021
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30. Recent Progress in Research and Development in Neutron Resonance Densitometry (NRD) for Quantification of Nuclear Materials in Particle-Like Debris
- Author
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Koizumi, M., Kitatani, F., Tsuchiya, H., Harada, H., Takamine, J., Kureta, M., Iimura, H., Seya, M., Becker, B., Kopecky, S., Mondelaers, W., Schillebeeckx, P., and Nakajima, Ken, editor
- Published
- 2015
- Full Text
- View/download PDF
31. Readmissions to an alternate hospital in patients undergoing vascular intervention for claudication and critical limb ischemia associated with significantly higher mortality.
- Author
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Martinez, Rennier A., Franklin, Kelsey N., Hernandez, Alexandra E., Parreco, Joshua, Cortolillo, Nicholas, and Ross, Reagan
- Abstract
Hospital readmissions with 30 days after vascular surgical interventions have been associated with increased morbidity, mortality, and cost. Readmission rates, now a Centers for Medicare and Medicaid Services quality measure, have been studied in databases that have excluded certain payer types and states and have not accounted for readmission to a hospital different from that of the index admission. More accurate and nationally representative data are needed, because this fragmentation of care could lead to flawed conclusions. The purpose of the present study was to examine the incidence and risk factors for readmission to a nonindex hospital for patients admitted for claudication or critical limb ischemia (CLI). We also examined how this disruption of patient care affects mortality. The 2013 to 2014 Nationwide Readmissions Database was queried for all patients admitted for claudication or CLI who had undergone angioplasty, lower extremity bypass, or aortobifemoral bypass. The outcomes of interest were 30- and 365-day readmission rates to any hospital, 30- and 365-day readmission rates to a nonindex hospital, and mortality rates. Multivariable logistic regression was used to identify risk factors for readmission to a nonindex hospital. The most common readmission diagnoses and diagnosis-related groups were identified. A total of 92,769 patients had been admitted with peripheral vascular disease (33,055 with claudication and 59,714 with CLI). The 30- and 365-day readmission rate was 8.97% and 21.49% and 19.26% and 40.36%, for claudication and CLI, respectively. Of the 30- and 365-day readmissions, 20.47% and 24.92% had occurred at a nonindex hospital, respectively. Significantly higher mortality rates were found for patients with 30- or 365-day readmissions to different hospitals (odds ratio, 1.4 and 1.8, respectively). Multivariable analysis revealed that procedural indication and angioplasty are not significant risk factors for readmission to a different hospital. However, female sex, length of stay >7 days, and Charlson Comorbidity Index >3 remained significant risk factors for nonindex readmissions. The most common disease groups for nonindex readmission were "septicemia and disseminated infections" (6.5%), "heart failure" (6.4%), "other vascular procedures" (6.1%), and "amputation of lower limb except toes" (4.0%). Previously unreported, ≥1 in 4 readmissions after lower extremity vascular procedures for peripheral vascular disease will occur at a nonindex hospital. This fragmentation of care is associated with increased mortality and has serious implications for guiding outcome and quality measures. With a sizeable portion of patients missed by current metrics, concern exists that providers are using flawed data. Further study into social- and patient-specific risk factors might provide methods to prevent these readmissions and improve outcomes in this difficult patient population. [ABSTRACT FROM AUTHOR]
- Published
- 2019
- Full Text
- View/download PDF
32. 90-day Readmission in Elective Primary Lumbar Spine Surgery in the Inpatient Setting: A Nationwide Readmissions Database Sample Analysis.
- Author
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Rubel, Nicolas C., Chung, Andrew S., Wong, Michael, Lara, Nina J., Makovicka, Justin L., Arvind, Varun, Chang, Michael S., and Cho, Samuel K.
- Subjects
- *
LUMBAR vertebrae , *SPINAL surgery , *SURGICAL site , *PERIOPERATIVE care , *COST analysis , *LUMBAR vertebrae surgery , *DATABASES , *SPINAL fusion , *SURGICAL complications , *ELECTIVE surgery , *COMORBIDITY , *LOGISTIC regression analysis , *PATIENT readmissions - Abstract
Study Design: Secondary analysis of a large administrative database.Objective: The objectives of this study are to: 1) identify the incidence and cause of 90-day readmissions following primary elective lumbar spine surgery, 2) offer insight into potential risk factors that contribute to these readmissions, and 3) quantify the cost associated with these readmissions.Summary Of Background Data: As bundled-payment models for the reimbursement of surgical services become more popular in spine, the focus is shifting toward long-term patient outcomes in the context of 90-day episodes of care. With limited data available on national 90-day readmission statistics available, we hope to provide evidence that will aid in the development of more cost-effective perioperative care models.Methods: Using ICD-9 coding, we identified all patients 18 years of age and older in the 2014 Nationwide Readmissions Database (NRD) who underwent an elective, inpatient, primary lumbar spine surgery. Using multivariate logistic regression, we identified independent predictors of 90-day readmission while controlling for a multitude of confounding variables and completed a comparative cost analysis.Results: We identified 169,788 patients who underwent a primary lumbar spine procedure. In total 4268 (2.5%) were readmitted within 90 days. There was no difference in comorbidity burden between cohorts (readmitted vs. not readmitted) as quantified by the Elixhauser Comorbidity index. Independent predictors of increased odds of 90-day readmission were: anemia, uncomplicated diabetes and diabetes with chronic complications, surgical wound disruption and acute myocardial infarction at the time of the index admission, self-pay status, and an anterior surgical approach. Implant complications were identified as the primary related cause of readmission. These readmissions were associated with a significant cost increase.Conclusion: There are clearly identifiable risk factors that increase the odds of hospital readmission within 90 days of primary lumbar spine surgery. An overall 90-day readmission rate of 2.5%, while relatively low, carries significantly increased cost to both the patient and hospital.Level Of Evidence: 3. [ABSTRACT FROM AUTHOR]- Published
- 2019
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- View/download PDF
33. Predictors of 90-Day Readmission in Children Undergoing Spinal Cord Tumor Surgery: A Nationwide Readmissions Database Analysis.
- Author
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Janjua, M. Burhan, Reddy, Sumanth, Samdani, Amer F., Welch, William C., Ozturk, Ali K., Price, Angela V., Weprin, Bradley E., and Swift, Dale M.
- Subjects
- *
SPINAL cord surgery , *SPINAL cord tumors , *BENIGN tumors , *CENTRAL nervous system , *PATIENT readmissions ,TUMOR surgery - Abstract
A fair number of hospital admissions occur after 30 days; thus, the true readmission rate could have been underestimated. Therefore, we hypothesized that the 90-day readmission rate might better characterize the factors contributing to readmission for pediatric patients undergoing spinal tumor resection. The Nationwide Readmissions Database was used to study the patient demographic data, comorbidities, admissions, hospital course, spinal tumor behavior (malignant vs. benign), complications, revisions, and 30- and 90-day readmissions. Of the 397 patients included in the 30-day cohort, 43 (10.8%) had been readmitted. In comparison, the 90-day readmission rate was significantly greater; 52 of 325 patients were readmitted (16.0%; P < 0.04). Patients aged 16–20 constituted the largest subgroup. However, the highest readmission rate was observed for patients aged <5 years (30-day, 21.7%; 90-day, 26.4%). Medicaid patients were more likely to be readmitted than were private insurance patients (30-day odds ratio [OR], 3.3 [ P < 0.001]; 90-day OR, 2.29 [ P < 0.02]). In both cohorts, patients with malignant tumors required readmission more often than did those with benign tumors (30-day OR, 2.78 [ P < 0.02]; 90-day OR, 1.92 [ P = 0.08]). In the 90-day cohort, the patients had been readmitted 26.4 days after discharge versus 10.6 days in the 30-day cohort. Within the 90-day cohort, 18.6% of the readmissions were for spinal reoperation, 28.3% for chemotherapy or hematologic complications, and 25.6% for other central nervous system disorders. The median charges for each readmission were ∼$50,000 and ∼$40,000 for the 30- and 90-day cohorts, respectively. Medicaid insurance, malignant tumors, and younger age were significant predictors of readmission in the 90-day cohort. The prevalence and charges associated with unplanned hospital readmissions after spinal tumor resection were remarkably high. Younger age, Medicaid insurance, malignant tumors, and complications during the initial admission were significant predictors of 90-day readmission. [ABSTRACT FROM AUTHOR]
- Published
- 2019
- Full Text
- View/download PDF
34. ERICH LOESTS EXKURS IN DIE KRIMINALLITERATUR. DER DDR-KRIMI ZWISCHEN KONVENTION UND TRAVESTIE.
- Author
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BRYLLA, WOLFGANG
- Subjects
SHORT story collections ,MYSTERY fiction ,CRIME writing ,PARODY ,ANONYMS & pseudonyms - Abstract
Copyright of Kwartalnik Neofilologiczny is the property of Polish Academy of Sciences and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
- Published
- 2019
- Full Text
- View/download PDF
35. Characteristics of 30-day readmission in spontaneous pneumothorax in the United States: a nationwide retrospective study.
- Author
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Mukhtar, Osama, Shrestha, Binav, Khalid, Mazin, Alhafdh, Oday, Datar, Praveen, Bhattarai, Bikash, Bakhiet, Manal, Gayam, Vijay, Khalid, Mowyad, Quist, Joseph, Enriquez, Danilo, and Schmidt, Frances
- Subjects
- *
PNEUMOTHORAX , *MIDDLE Ages , *HOSPITAL mortality , *RETROSPECTIVE studies , *LENGTH of stay in hospitals - Abstract
Objective: Our study aimed to determine the national estimates of the 30-day all-cause readmission rate among patients with spontaneous pneumothorax and to investigate the burden of these readmissions in terms of mortality, length of stay and hospitalization costs in the USA. Methods: We utilized the Nationwide Readmission Database for 2013–2014 and identified adults with a primary diagnosis of spontaneous pneumothorax. We analyzed and reported patient- and hospital-level variables of the study cohort. Our primary outcome was 30-day readmission rate, including the reasons for readmission. Our secondary outcomes included all-cause mortality, resources utilization and predictors of readmissions. Results: We identified 47,108 index admissions with spontaneous pneumothorax. The 30-day readmission rate was 13.6%. The most common reason for admission was recurrent pneumothorax. In index admissions, the in-hospital mortality rate was 3.1%; whereas, in readmissions, the mortality was higher (4.6%, p < 0.001). Both age group 45–64 (HR: 1.31, 95% CI: [1.15–1.49], p < 0.001) and history of cancer (HR: 1.34, 95% CI: [1.17–1.53], p < 0.001) were found to predict the risk of 30-day readmission. Conclusion: The 30-day readmission rate in patients with spontaneous pneumothorax was 13.6%, and a recurrent event was the most likely cause. The 30-day readmissions were associated with higher mortality and hospitalization charges. Middle age and history of cancer increase likelihood of 30-day readmission. [ABSTRACT FROM AUTHOR]
- Published
- 2019
- Full Text
- View/download PDF
36. Hospital mortality and thirty day readmission among patients with non-acute myocardial infarction related cardiogenic shock.
- Author
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Shah, Mahek, Patel, Brijesh, Tripathi, Byomesh, Agarwal, Manyoo, Patnaik, Soumya, Ram, Pradhum, Patil, Shantanu, Shin, Jooyoung, and Jorde, Ulrich P.
- Subjects
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CARDIOGENIC shock , *MYOCARDIAL infarction risk factors , *PATIENT readmissions , *ETIOLOGY of diseases , *PROGNOSIS ,MYOCARDIAL infarction-related mortality - Abstract
Abstract Background Cardiogenic shock (CS) in absence of acute myocardial infarction (AMI) has significant morbidity and mortality. This population of patients has been excluded from prior major randomized trials and observational studies. Methods We included patients with CS in absence of AMI from the 2013–14 HCUP's National Readmission Database. 30-day readmissions were studied and etiology for readmission was identified by using ICD-9CM codes in primary diagnosis field. Multivariable mixed effect logistic regression models were created to identify predictors of 30-day readmission and in-hospital mortality, respectively. Results We studied 38,198 index admissions with non-AMI CS, with an in-hospital mortality of 35.4%. Mean age, length and cost of stay were 63.6 years, 16.9 days and 69,947$, respectively among survivors of index admission. Among those discharged, 22.6% were readmitted within 30 days with >50% readmissions occurring within 11-days. Cardiovascular etiologies (42.3%), especially heart failure (24.0%) comprised the commonest reason for readmission. Among non-cardiac causes were infectious (11.7%) and respiratory (9.2%) etiologies. Older age (50–64 years odds ratio:1.29, 65–79 years, OR:1.59, ≥80 years OR:2.69), ventilator use (OR:4.25), sepsis (OR:1.12), use of short term devices (intra-aortic balloon pump OR:2.67, Impella/TandemHeart OR:4.84, extracorporeal membrane oxygenation OR:3.68) and non-ischemic cardiomyopathy(OR:0.65) were among the predictors of in-hospital mortality. Older age (65–79 years, OR:1.25, ≥80 years OR:1.41), male sex (OR:1.08), and ventilator use (OR:1.21) predicted higher 30-day readmission. Conclusion Both, in-hospital mortality and 30-day readmission among those admitted for non-AMI CS were significantly elevated. The majority of readmissions were due to non-cardiovascular causes. Identifying high-risk factors may help devise strategies to improve quality of care and reduce adverse outcome rates. Highlights • Admission for non AMI related CS is associated with significant in-hospital mortality and 30-day readmission post discharge. • Roughly three-fifths of the readmissions within 30 days occurred due to non-cardiovascular etiologies. • Heart failure represented the commonest cardiovascular cause for readmission. • Older age, ventilator use, and short term mechanical circulatory support use predicted higher hospital mortality. • Older age and male sex were among predictors for increased 30-day readmission. [ABSTRACT FROM AUTHOR]
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- 2018
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37. UCZEN KONTRA MISTRZ RYWALIZACJA NRD ZE ZWIAZKIEM RADZIECKIM I INNYMI PANSTWAMI BLOKU WSCHODNIEGO.
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WOJTASZYN, DARIUSZ
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Sport played a .special role in the political system of the GDR and was used to achieve political goals, especially in terms of diplomacy. The aim of the article is to show examples of the instrumen-talization of sport in the GDR in the context of competition within the Eastern Bloc countries. In the light of the attitude of East German authorities to sport competition and the so-called sporting policy the study points to examples oof competition between athletes from the GDR and the Soviet Union and other satellite states. The premise of the article is to point to the reactions of the GDR authorities to the intra-system rivalry of athletes, as well as its political foundations and attempts at instrumentalization. Politically declared friendship and close political cooperation usually did not reflect real competition, which - especially in sport and contrary to propaganda slogans - was usually extremely ruthless and uncompromising. The text is based on the research of thematic German literature and supported by analysis and interpretation of published source materials and archival research. [ABSTRACT FROM AUTHOR]
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- 2018
38. Geochemical and Mineralogical Characterization of Waste Rocks for Preliminary Mine Drainage Quality Prediction
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Karlsson, Teemu and Karlsson, Teemu
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Acid or neutral rock drainage (ARD or NRD) with its attendant elevated concentrations of harmful elements presents one of the main challenges related to the management of waste rocks. Low-quality drainage is a particular issue with respect to mineral deposits containing sulfide minerals, of which pyrite and pyrrhotite are especially prone to produce acidic drainage when exposed to oxygen and water. The generation of low-quality drainage depends primarily on the composition of mine waste, in particular the proportions of acid-producing and neutralizing minerals, as well as the abundance of harmful elements bound to leachable mineral phases. To mitigate adverse environmental impacts, it is important to characterize waste rocks at an early phase of any given mining project. Early-phase characterization is needed in designing appropriate waste facilities, water treatment and closure techniques, and to investigate the potential possibilities for utilization of waste material. Several methods have been developed for characterizing waste rocks and for predicting their potential for generating low-quality drainage. These methods include static and kinetic testing, geochemical extractions, geochemical modelling, and the use of analogs from similar, older, mine waste sites. Geochemical extractions and static tests, such as acid-base accounting (ABA) and net acid-generation (NAG) tests, are commonly used for preliminary screening, and in selecting suitable samples for further testing. The assortment of these preliminary characterization methods should be expanded and their performance in ARD and element mobility prediction investigated further, to improve the accuracy of drainage quality prediction. The objective of this study has been to enhance waste rock management by developing tools for preliminary waste rock characterization and drainage quality prediction. An additional objective has been to improve the capacity for using geochemical and mineralogical data that have alr
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- 2022
39. Readmissions and costs among younger and older adults for targeted conditions during the enactment of the hospital readmission reduction program
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Christopher J. Daly, Meghan Allen, David M. Jacobs, Ryan Tober, Edward M. Bednarczyk, Walter Gibson, Chi-Hua Lu, and Collin M. Clark
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Adult ,medicine.medical_specialty ,Adolescent ,Myocardial Infarction ,030204 cardiovascular system & hematology ,Medicare ,Patient Readmission ,Older population ,Health administration ,03 medical and health sciences ,Young Adult ,0302 clinical medicine ,medicine ,Younger adults ,Humans ,030212 general & internal medicine ,Myocardial infarction ,Aged ,Heart Failure ,Hospital readmission ,HRRP ,business.industry ,Health Policy ,Public health ,Emergency department ,Middle Aged ,medicine.disease ,United States ,Costs ,Hospitalization ,Pneumonia ,Readmissions ,NRD ,Heart failure ,Emergency medicine ,Targeted conditions ,Public aspects of medicine ,RA1-1270 ,business ,Research Article - Abstract
Background The Hospital Readmissions Reduction Program (HRRP) was introduced to reduce readmission rates among Medicare beneficiaries, however little is known about readmissions and costs for HRRP-targeted conditions in younger populations. The primary objective of this study was to examine readmission trends and costs for targeted conditions during policy implementation among younger and older adults in the U.S. Methods We analyzed the Nationwide Readmission Database from January 2010 to September 2015 in younger (18–64 years) and older (≥65 years) patients with acute myocardial infarction (AMI), heart failure (HF), pneumonia, and acute exacerbations of chronic obstructive pulmonary disease (AECOPD). Pre- and post-HRRP periods were defined based on implementation of the policy for each condition. Readmission rates were evaluated using an interrupted time series with difference-in-difference analyses and hospital cost differences between early and late readmissions (≤30 vs. > 30 days) were evaluated using generalized linear models. Results Overall, this study included 16,884,612 hospitalizations with 3,337,266 readmissions among all age groups and 5,977,177 hospitalizations with 1,104,940 readmissions in those aged 18–64 years. Readmission rates decreased in all conditions. In the HRRP announcement period, readmissions declined significantly for those aged 40–64 years for AMI (p p = 0.003). Readmissions decreased significantly in the post-HRRP period for those aged 40–64 years at a slower rate for AMI (p = 0.003) and HF (p = 0.05). Readmission rates among younger patients (18–64 years) varied within all four targeted conditions in HRRP announcement and post-HRRP periods. Adjusted models showed a significantly higher readmission cost in those readmitted within 30 days among younger and older populations for AMI (p p p p Conclusion Readmissions for targeted conditions decreased in the U.S. during the enactment of the HRRP policy and younger age groups (
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- 2021
40. Readmissions and costs among younger and older adults for targeted conditions during the enactment of the hospital readmission reduction program
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Lu, Chi-Hua, Clark, Collin M., Tober, Ryan, Allen, Meghan, Gibson, Walter, Bednarczyk, Edward M., Daly, Christopher J., and Jacobs, David M.
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- 2021
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41. Combined atrial fibrillation ablation and left atrial appendage occlusion procedure in the United States: a propensity score matched analysis from 2016-2019 national readmission database
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Deepak Kumar Pasupula, Sudeep K Siddappa Malleshappa, Muhammad B Munir, Anusha Ganapati Bhat, Antony Anandaraj, Avaneesh Jakkoju, Michael Spooner, Ketan Koranne, Jonathan C Hsu, Brian Olshansky, and A John Camm
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Male ,CA – Percutaneous Catheter-directed Atrial Fibrillation Ablation ,Clinical Sciences ,MACE ,Cardiovascular ,Patient Readmission ,MACE – Major Adverse Cardiovascular Events ,Clinical Research ,Physiology (medical) ,Atrial Fibrillation ,80 and over ,Humans ,Atrial Appendage ,LAAO ,Propensity Score ,Retrospective Studies ,Aged ,Left Atrial Appendage Occlusion ,CA ,Major Adverse Cardiovascular Events ,National Readmission Database ,Middle Aged ,LAAO – Left Atrial Appendage Occlusion ,United States ,NRD – National Readmission Database ,Stroke ,Treatment Outcome ,Heart Disease ,NRD ,Cardiovascular System & Hematology ,Catheter Ablation ,Female ,Patient Safety ,Cardiology and Cardiovascular Medicine ,Percutaneous Catheter-directed Atrial Fibrillation Ablation - Abstract
AimsThe safety and feasibility of combining percutaneous catheter ablation (CA) for atrial fibrillation with left atrial appendage occlusion (LAAO) as a single procedure in the USA have not been investigated. We analyzed the US National Readmission Database (NRD) to investigate the incidence of combined LAAO + CA and compare major adverse cardiovascular events (MACEs) with matched LAAO-only and CA-only patients.Methods and resultsIn this retrospective study from NRD data, we identified patients undergoing combined LAAO and CA procedures on the same day in the USA from 2016 to 2019. A 1:1 propensity score match was performed to identify patients undergoing LAAO-only and CA-only procedures. The number of LAAO + CA procedures increased from 28 (2016) to 119 (2019). LAAO + CA patients (n = 375, mean age 74 ± 9.2 years, 53.4% were males) had non-significant higher MACE (8.1%) when compared with LAAO-only (n = 407, 5.3%) or CA-only patients (n = 406, 7.4%), which was primarily driven by higher rate of pericardial effusion (4.3%). All-cause 30-day readmission rates among LAAO + CA patients (10.7%) were similar when compared with LAAO-only (12.7%) or CA-only (17.5%) patients. The most frequent primary reason for readmissions among LAAO + CA and LAAO-only cohorts was heart failure (24.6 and 31.5%, respectively), while among the CA-only cohort, it was paroxysmal atrial fibrillation (25.7%).ConclusionWe report an 63% annual growth (from 28 procedures) in combined LAAO and CA procedures in the USA. There were no significant difference in MACE and all-cause 30-day readmission rates among LAAO + CA patients compared with matched LAAO-only or CA-only patients.
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- 2022
42. Polscy aktorzy w filmach Defy w ostatnim ćwierćwieczu istnienia Niemieckiej Republiki Demokratycznej
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Andrzej Gwóźdź
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DEFA ,kino niemieckie ,NRD ,Communication. Mass media ,P87-96 - Abstract
Udział polskich aktorów w produkcjach wschodnioniemieckiej Defy jest na ogół znany, choć nie dość wyczerpująco opisany. Oczywiście nie chodzi jedynie o koprodukcje, choć i one (jak chociażby pierwsza z nich, Milcząca gwiazda Kurta Maetziga, 1960) zaświadczają o aktorskim transferze między Warszawą a Berlinem. Deficyt aktorów w NRD, ale także dobra marka kina polskiego w NRD sprawiły, że często korzystano z zasobów polskiego rynku aktorskiego. Autor skupia się na analizie oraz interpretacji zjawiska przechodniości sztuki aktorskiej między kinematografiami narodowymi. Niezwykła w tym względzie okazała się zwłaszcza rola młodej i pięknej pani inżynier w wykonaniu Krystyny Stypułkowskiej, która zagrała w kultowym filmie Ślad kamieni (1966) Beyera – wystylizowanym na western produkcyjniaku, odesłanym przez NRD-owską cenzurę na półki do roku 1990. Na szczególne miejsce w takiej perspektywie oglądu zasługuje sztuka aktorska Franciszka Pieczki w rozliczeniowym filmie Jadup i Boel (1980/1988) Rainera Simona, a zwłaszcza jego tytułowa rola właściciela objazdowego teatru lalek w filmie Fariaho…! (1983) Rolanda Gräfa. Pieczka zagrał także m.in. w zachodnioniemieckim Dawidzie (1979) Petera Lilienthala (pierwszym filmie produkcji RFN, który otrzymał Złotego Niedźwiedzia w kategorii filmu fabularnego – na Berlinale 1979). Obok niego kinematografię Niemiec Zachodnich zasilili m.in. aktorzy grający w filmach Volkera Schlöndorffa, a wśród nich Jerzy Skolimowski jako dziennikarz na walczącym Bliskim Wschodzie (Fałszerstwo, 1981). W artykule Andrzej Gwóźdź szuka odpowiedzi na pytania dotyczące zjawiska eksportu aktorów jako faktu głównie kulturowego.
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- 2016
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43. Henryk Sienkiewicz’s output and literary censorship in the DDR
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Marek Rajch and Ph.D. hab., Adam Mickiewicz University in Poznań, Faculty of Modern Languages and Literatures, Institute of German Studies, Department of Polish-German Literary Relations
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the DDR ,media_common.quotation_subject ,lcsh:Literature (General) ,Nazism ,German ,literatura polska ,polityka kulturalna ,Political science ,Novella ,Polish literature ,General Environmental Science ,media_common ,literary censorship ,business.industry ,the ddr ,Censorship ,Media studies ,lcsh:PN1-6790 ,language.human_language ,cultural policy ,polish literature ,NRD ,Publishing ,language ,General Earth and Planetary Sciences ,Ideology ,business ,cenzura literacka ,Cultural policy - Abstract
Works by Henryk Sienkiewicz, a Polish writer and the winner of the 1905 Nobel Prize for Literature, were subjected to verification by the DDR’s censorship apparatus several times. Censors considered his novellas which discussed 19th-century social issues as desirable and worth promoting among East German readers. His novel Krzyżacy, which was set in the Middle Ages, was accepted eagerly both by publishing houses and the censorship office as it enabled national socialism in Germany to be viewed in critical terms, as the DDR distanced itself from the system. Reviewers did, however, find a major ideological threat for young readers in East Germany in a young adult novel entitled W pustyni i w puszczy, and for that reason it was withdrawn from the publishing procedure. Utwory Henryka Sienkiewicza, polskiego pisarza i laureata literackiej nagrody Nobla z 1905 roku, zostały poddane kontroli aparatu cenzury w NRD kilkukrotnie. Za pozycje pożądane i godne przybliżenie wschodnioniemieckim czytelnikom uznano jego nowele, które poruszały dziewiętnastowieczną problematykę społeczną. Nawiązującą do tematyki średniowiecznej powieść Krzyżacy spotkała się z dużą aprobatą wydawnictw i urzędu cenzury z tego względu, iż pozwalała na krytyczne rozliczenie się z narodowym socjalizmem w Niemczech, od którego NRD się dystansowała. Sporego zagrożenia ideologicznego dla młodych czytelników wschodnioniemieckich dopatrywano się natomiast w powieści dla młodzieży W pustyni i w puszczy i z tego powodu została ona wycofana z procedury wydawniczej.
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- 2020
44. SPORTWUNDERLAND DDR POWSTANIE I UPADEK SPORTOWEGO MOCARSTWA.
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WOJTASZYN, DARIUSZ
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The German Democratic Republic, despite limited economic and demographic opportunities, achieved an incredible success in sports, becoming in the second half of the 20th century a real sports superpower. Competition at the international level, especially the Olympic Games were arenas for the presentation of the country's supremacy in sport, on account of which it began to be called "Sportwunderland". The article attempts to identify the most important components of the sport success of the GDR - institutional structures and implementation of the achievements of science in sport, together with the pathological use of prohibited pharmacological assistance, as well as methods of acquiring and selecting outstanding sportspersons. In addition, the article provides an analysis of the situation of East German sport after the unification of Germany and discusses ways of dealing with the dark sides of its past. [ABSTRACT FROM AUTHOR]
- Published
- 2016
45. A Test of Two Methods for Waste Rock Drainage Quality Prediction: Aqua Regia Extraction and Single-addition Net-acid Generation Test Leachate Analysis : [两种废矿石排水质量预测方法: 王水提取法和单添加净产酸实验 (NAG) 滤出液分析法] [Ein Test von zwei Methoden zur Qualitätsvorhersage von Haldensickerwässern: Königswasseraufschluss und Sickerwasseranalyse über den Nettosäurebildungspotentialtest bei einmaliger Zugabe]
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Karlsson, Teemu, Alakangas, Lena, Kauppila, Päivi, Räisänen, Marja Liisa, Karlsson, Teemu, Alakangas, Lena, Kauppila, Päivi, and Räisänen, Marja Liisa
- Abstract
The mobility of contaminants from mine waste can be assessed using different extraction methods. Aqua regia (AR) extraction is the most commonly used method in Finland. Another method is the analysis of leachate from net acid generation (NAG) tests, which is primarily designed for acid production potential assessment. We investigated the performance of single-addition NAG test leachate analysis and AR extraction in drainage quality prediction, using waste rock and drainage water samples from several Finnish waste rock sites. Our objective was to improve interpretation of the AR and single-addition NAG test leachate analysis results in drainage quality prediction. The AR extraction effectively reflected elements that occurred in elevated concentrations in drainage water, though it over-predicted Al, As, Cd, Co, Cu, and Ni in some circumneutral drainages, and Cr in general. The single-addition NAG test leachate analysis also performed well in assessing the mobility of contaminants including Al and Cr at acid mine drainage sites. As the contaminants tend to precipitate in neutral NAG test solution, the usability of the method in neutral mine drainage cases should be further investigated. Furthermore, the conclusions presented in this study are limited to waste rock samples collected from the surface of piles; future work will examine waste rock history, dump cores, drainage quality changes, etc. in more detail., 矿山固体废物所含污染物的活性迁移特征可通过不同提取方法进行评估。在芬兰, 王水提取是最普遍使用方法。另一种是净产酸实验 (NAG) 浸出液分析法, 该实验主要为产酸潜力评估而设计。利用芬兰几个废石场的废矿石和排水水样, 研究了单添加NAG实验滤出液分析法和王水 (AR) 提取法用于预测排水质量的能力。研究旨在改善AR提取法和单添加NAG滤出液分析法进行排水质量预测的解释水平。王水提取 (AR) 能够有效地反映排水可能出现的高浓度元素, 但它会过高预测近中性排水中的Al、As、Cd、Co、Cu和Ni, 普遍过高预测Cr。单添加NAG滤出液分析法也可以较好地评价污染物迁移特征, 包括酸性矿山废水条件的Al和Cr。但是, 当污染物在中性NAG试验溶液中有沉淀倾向时, 应当进一步考虑方法此时的适用性。另外, 所得结论仅限于从矸石堆表面采集的废石样品, 未来工作将更详细地研究废石堆积历史、矸石堆内部情形、排水质量变化等。, Die Mobilität von Schadstoffen aus Bergbauabfällen kann mit verschiedenen Extraktionsmethoden bewertet werden. Der Königswasseraufschluss (AR) ist die in Finnland am häufigsten verwendete Methode. Eine weitere Methode ist die Analyse von Sickerwasser aus Tests zur Netto-Säureerzeugung (NAG), die in erster Linie zur Bewertung des Säurebildungspotenzials vorgesehen ist. Untersucht wurden die Leistungsfähigkeit der Sickerwasseranalyse mit Einzelzugabe von NAG-Tests und die der AR-Extraktion bei der Vorhersage der Sickerwasserqualität von taubem Gestein und Drainagewasserproben von mehreren finnischen Bergehalden. Ziel war es, die Interpretation der Ergebnisse der AR- und Single-Addition-NAG-Testsickerwasseranalyse und der Single-Addition-NAG-Testsickerwasseranalyse bei der Vorhersage der Sickerwasserqualität zu verbessern. Die AR-Extraktion spiegelte effektiv Elemente wider, die in erhöhten Konzentrationen im Sickerwasser auftraten, obwohl sie Al, As, Cd, Co, Cu und Ni in einigen pH-neutralen Sickerwässern und Cr im allgemeinen überbewertet hat. Die NAG-Testsickerwasseranalyse mit einer einzigen Zugabe zeigte ebenfalls gute Ergebnisse bei der Beurteilung der Mobilität von Schadstoffen einschließlich Al und Cr, allerdings nur, wenn das Sickerwasser sauer war. Da die Schadstoffe dazu neigen, in neutraler NAG-Testlösung auszufallen, sollte die Anwendbarkeit der Methode in neutralen Grubenwässern weiter untersucht werden. Darüber hinaus beschränken sich die in dieser Studie vorgestellten Schlussfolgerungen auf Proben von taubem Gestein, die von den Oberflächen der Halden entnommen wurden. Zukünftige Arbeiten werden das Langzeitverhalten des tauben Gesteins, Haldenbohrkerne, Änderungen der Sickerwasserqualität usw. genauer untersuchen., Validerad;2021;Nivå 2;2021-09-29 (alebob);Artikeln har tidigare förekommit som manuskript i avhandling.;Funder: Finnish Funding Agency for Technology and Innovation (Tekes)
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- 2021
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46. Hydrogen Peroxide Ammonium Citrate Extraction: Mineral Decomposition and Preliminary Waste Rock Characterization
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Karlsson, Teemu, Räisänen, Marja Liisa, Myöhänen, Timo, Alakangas, Lena, Lehtonen, Marja, Kauppila, Päivi, Karlsson, Teemu, Räisänen, Marja Liisa, Myöhänen, Timo, Alakangas, Lena, Lehtonen, Marja, and Kauppila, Päivi
- Abstract
A commonly-used method in ore exploration is hydrogen peroxide ammonium citrate (HA) extraction, which has not typically been used in waste rock characterization. In this study, the sulfide specificity and leaching of other minerals in HA extraction was evaluated and its performance was compared with the aqua regia (AR) extraction for preliminary assessment of harmful element mobility. Samples collected from several different mine sites in Finland were utilized. The waste rock sample S contents ranged from 0.3% to 5.3%, and sums of the AR extractable elements As, Cd, Co, Cu, Ni and Zn range from 120 to 8040 mg/kg. The drainage types ranged from acid high-metal to neutral low-metal, with pH’s of 3.3–7.7. Mineralogical changes that took place in the HA solution were investigated by the field emission scanning electron microscope (FE-SEM) equipped with an energy-dispersive X-ray spectroscopy analyzer (EDS) and X-ray diffraction (XRD) methods. Results of the study showed that the HA extraction appears to be a more specific method for sulfide decomposition compared with AR extraction. Sulfide minerals, especially base metal sulfides pentlandite, chalcopyrite and sphalerite, decomposed efficiently in HA extraction. However, the Fe-sulfides pyrrhotite and pyrite only decomposed incompletely. The study showed that the HA extraction results can be used in the preliminary prediction of element mobility. Based on the results, the elevated As, Cd, Co, Cu, Ni, S and Zn leachability in the HA extraction appears to predict elevated drainage concentrations. If the HA-extractable sum of As, Cd, Co, Cu, Ni and Zn is >750 mg/kg, there is an increased risk of high-metal (>1000 µg/L) drainage. Therefore, the HA extraction data, e.g., produced during ore exploration, can be utilized to preliminary screen the risks of sulfide related element mobilities from waste rock material., Validerad;2021;Nivå 2;2021-07-16 (johcin)
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- 2021
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47. Ninety-Day Readmission in Elective Revision Lumbar Fusion Surgery in the Inpatient Setting
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Varun Arvind, Thomas C. Hydrick, Nicolas C Rubel, Andrew S. Chung, Michael Chang, Sean P. Renfree, Justin L. Makovicka, and Nina Lara
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medicine.medical_specialty ,Fusion surgery ,business.industry ,General surgery ,revision lumbar fusion ,Inpatient setting ,Original Articles ,surgical complications ,90-day readmission ,Lumbar ,NRD ,cost of readmission ,Medicine ,Orthopedics and Sports Medicine ,Surgery ,nationwide readmissions database ,Neurology (clinical) ,business - Abstract
Study Design: Retrospective review. Objectives: (1) Identify the 90-day rate of readmission following revision lumbar fusion, (2) identify independent risk factors associated with increased rates of readmission within 90 days, (3) and identify the hospital costs associated with revision lumbar fusion and subsequent readmission within 90 days. Methods: Utilizing 2014 data from the Nationwide Readmissions Database, patients undergoing elective revision lumbar fusion were identified. With this sample, multivariate logistic regression was utilized to identify independent predictors of readmission within 90 days. An analysis of total hospital costs was also conducted. Results: In 2014, an estimated 14 378 patients underwent elective revision lumbar fusion. The readmission rate at 90 days was 3.1% (n = 446). Diabetes with chronic complications was the only comorbidity found to carry significantly increased odds of readmission. Surgical complications such as deep venous thrombosis, surgical wound disruption, hematoma, and pneumonia (experienced during the index admission) were also independent predictors of readmission. Anterior approaches were associated with increased odds of readmission. The most common related diagnoses on readmission were hardware issues, postoperative infection, and disc herniation. Readmissions were associated with an average of $96 152 in increased hospital costs per patient compared with those not readmitted. Conclusion: Relevant patient comorbidities and surgical complications were associated with increased readmission within 90 days. Readmission within 90 days was associated with significant increases in hospital costs.
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- 2019
48. Characteristics of 30-day readmission in spontaneous pneumothorax in the United States: a nationwide retrospective study
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Danilo Enriquez, Vijay Gayam, Bikash Bhattarai, Praveen Datar, Mowyad Khalid, Binav Shrestha, Osama Mukhtar, Manal Bakhiet, Oday Alhafdh, Mazin Khalid, Joseph Quist, and Frances Schmidt
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lcsh:Internal medicine ,medicine.medical_specialty ,030204 cardiovascular system & hematology ,03 medical and health sciences ,0302 clinical medicine ,Internal Medicine ,medicine ,In patient ,Recurrent pneumothorax ,030212 general & internal medicine ,lcsh:RC31-1245 ,AHRQ database ,readmission ,business.industry ,Mortality rate ,Pneumothorax ,Retrospective cohort study ,Readmission rate ,medicine.disease ,mortality ,Middle age ,NRD ,Cohort ,Emergency medicine ,business ,Research Article - Abstract
Objective: Our study aimed to determine the national estimates of the 30-day all-cause readmission rate among patients with spontaneous pneumothorax and to investigate the burden of these readmissions in terms of mortality, length of stay and hospitalization costs in the USA. Methods: We utilized the Nationwide Readmission Database for 2013–2014 and identified adults with a primary diagnosis of spontaneous pneumothorax. We analyzed and reported patient- and hospital-level variables of the study cohort. Our primary outcome was 30-day readmission rate, including the reasons for readmission. Our secondary outcomes included all-cause mortality, resources utilization and predictors of readmissions. Results: We identified 47,108 index admissions with spontaneous pneumothorax. The 30-day readmission rate was 13.6%. The most common reason for admission was recurrent pneumothorax. In index admissions, the in-hospital mortality rate was 3.1%; whereas, in readmissions, the mortality was higher (4.6%, p < 0.001). Both age group 45–64 (HR: 1.31, 95% CI: [1.15–1.49], p < 0.001) and history of cancer (HR: 1.34, 95% CI: [1.17–1.53], p < 0.001) were found to predict the risk of 30-day readmission. Conclusion: The 30-day readmission rate in patients with spontaneous pneumothorax was 13.6%, and a recurrent event was the most likely cause. The 30-day readmissions were associated with higher mortality and hospitalization charges. Middle age and history of cancer increase likelihood of 30-day readmission.
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- 2019
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49. Hydrogen Peroxide Ammonium Citrate Extraction: Mineral Decomposition and Preliminary Waste Rock Characterization
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Marja Lehtonen, Marja Liisa Räisänen, Timo Myöhänen, Päivi Kauppila, Lena Alakangas, and Teemu Karlsson
- Subjects
Sulfide ,sulfide decomposition ,SEM mineralogy ,engineering.material ,aqua regia extraction ,chemistry.chemical_compound ,Aqua regia ,Pyrrhotite ,chemistry.chemical_classification ,Chemistry ,Chalcopyrite ,Extraction (chemistry) ,Geology ,Geokemi ,Geotechnical Engineering and Engineering Geology ,Mineralogy ,Sulfide minerals ,ARD ,Geochemistry ,Sphalerite ,NRD ,visual_art ,mine waste characterization ,visual_art.visual_art_medium ,engineering ,Pyrite ,Nuclear chemistry ,QE351-399.2 - Abstract
A commonly-used method in ore exploration is hydrogen peroxide ammonium citrate (HA) extraction, which has not typically been used in waste rock characterization. In this study, the sulfide specificity and leaching of other minerals in HA extraction was evaluated and its performance was compared with the aqua regia (AR) extraction for preliminary assessment of harmful element mobility. Samples collected from several different mine sites in Finland were utilized. The waste rock sample S contents ranged from 0.3% to 5.3%, and sums of the AR extractable elements As, Cd, Co, Cu, Ni and Zn range from 120 to 8040 mg/kg. The drainage types ranged from acid high-metal to neutral low-metal, with pH’s of 3.3–7.7. Mineralogical changes that took place in the HA solution were investigated by the field emission scanning electron microscope (FE-SEM) equipped with an energy-dispersive X-ray spectroscopy analyzer (EDS) and X-ray diffraction (XRD) methods. Results of the study showed that the HA extraction appears to be a more specific method for sulfide decomposition compared with AR extraction. Sulfide minerals, especially base metal sulfides pentlandite, chalcopyrite and sphalerite, decomposed efficiently in HA extraction. However, the Fe-sulfides pyrrhotite and pyrite only decomposed incompletely. The study showed that the HA extraction results can be used in the preliminary prediction of element mobility. Based on the results, the elevated As, Cd, Co, Cu, Ni, S and Zn leachability in the HA extraction appears to predict elevated drainage concentrations. If the HA-extractable sum of As, Cd, Co, Cu, Ni and Zn is >, 750 mg/kg, there is an increased risk of high-metal (>, 1000 µg/L) drainage. Therefore, the HA extraction data, e.g., produced during ore exploration, can be utilized to preliminary screen the risks of sulfide related element mobilities from waste rock material.
- Published
- 2021
50. FLOTY NIEMIECKIE W XX STULECIU OD KAISERLICHE MARINE DO DEUTSCHE MARINE.
- Author
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KOCHNOWSKI, ROMAN
- Abstract
The article presents the development of German States 'fleets in the 20th century. It shows their evolution over the last one hundred years. The author focuses on the evolution of the place and role of the German Fleet from the Imperial Navy up to the contemporary Deutsche Marine, which concentrates on performing the tasks of joint forces within NATO. It also shows GDR and FRG fleets during the division of Germany. Contemporary German fleet and the FRG's armed forces in general are rather modest compared to the economic capacities of today's Germany. This situation coincides with an atmosphere of increasing pacifism that permeates the German society. [ABSTRACT FROM AUTHOR]
- Published
- 2015
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