40 results on '"Abraham CM"'
Search Results
2. Factors Influencing Cardiovascular Risk Factors and Health Perception Among Kentuckians Living in Appalachia.
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Abraham, CM, Kelly, S, Wantland, D, Chung, ML, Mudd-Martin, G, Biddle, MJ, Moser, DK, Abraham, CM, Kelly, S, Wantland, D, Chung, ML, Mudd-Martin, G, Biddle, MJ, and Moser, DK
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- 2020
3. Pain and satisfaction in hospitalized trauma patients: The importance of self-efficacy and psychological distress.
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Archer KR, Castillo RC, Wegener ST, Abraham CM, and Obremskey WT
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- 2012
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4. A prospective investigation of long-term cognitive impairment and psychological distress in moderately versus severely injured trauma intensive care unit survivors without intracranial hemorrhage.
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Jackson JC, Archer KR, Bauer R, Abraham CM, Song Y, Greevey R, Guillamondegui O, Ely EW, and Obremskey W
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- 2011
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5. Review of: Minimally invasive dentistry: the management of caries.
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Abraham CM
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- 2008
6. Racial and Ethnic Differences in Diabetes Care Quality in A National Sample of Cancer Survivors Relative to Non-Cancer Controls.
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O'Malley DM, Alavi S, Tsui J, Abraham CM, and Ohman-Strickland P
- Abstract
Background: Among cancer survivors, diabetes is associated with greater morbidity and mortality. The objective of this study is to describe racial/ethnic disparities in diabetes care quality (DCQ) among cancer survivors compared to non-cancer controls., Methods: We used Medical Expenditure Panel Survey Household Component data (2010-2018). Black, non-Hispanic White (NHW), and Hispanic respondents diagnosed with diabetes and cancer were frequency matched 1:5 to non-cancer controls. Multivariable logistic regression estimated associations for specific indices and overall DCQ by race/ethnicity stratified by cancer site/status in partially adjusted (not controlling for socioeconomic indicators) and fully adjusted models., Results: The final sample of 4775 included cancer survivors (n = 907 all cancers; n = 401 breast; n = 167 colon; n = 339 prostate) and non-cancer controls (n = 3868) matched by age, race/ethnicity, and year. In partially adjusted models, Black (adjusted odds ratio, AOR) 0.67 [95% CI 0.54-0.83]) and Hispanic (AOR 0.68 [95% CI 0.54-0.87]) non-cancer controls had significant disparities for overall DCQ compared to NHWs. Among cancer survivors, DCQ disparities for Black (AOR 0.62, [95% CI 0.4-0.96]) and Hispanics (AOR 0.60, [95% CI 0.38-0.97]) were identified. Among prostate cancer survivors, DCQ disparities were identified for Blacks (AOR 0.38; [95% CI 0.20-0.72]) and Hispanics (AOR 0.39; [95% CI 0.17-0.89]) compared to NHWs. Racial disparities among Black controls and Black prostate cancer survivors remained significant in fully adjusted models., Conclusion: Diabetes care disparities are evident among cancer survivors and salient among non-cancer controls. Strategies to promote health equity should target specific care indices among survivors and emphasize equitable DCQ strategies among Black and Hispanic communities., (© 2024. The Author(s).)
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- 2024
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7. Origin and Development of Interstitial Cells of Cajal.
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Sweet T, Abraham CM, and Rich A
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- Animals, Humans, Muscle, Smooth cytology, Muscle, Smooth physiology, Muscle, Smooth embryology, Mice, Gastrointestinal Tract cytology, Gastrointestinal Tract physiology, Cell Differentiation, Gastrointestinal Motility physiology, Chickens, Interstitial Cells of Cajal cytology, Interstitial Cells of Cajal physiology, Interstitial Cells of Cajal metabolism, Zebrafish embryology
- Abstract
The digestive tract is a series of organs with specific functions and specialized anatomy. Each organ is organized similarly with concentric layers of epithelial, connective, smooth muscle, and neural tissues. Interstitial cells of Cajal (ICC) are distributed in smooth muscle layers and contribute to the organization of repetitive and rhythmic smooth muscle contractions. Understanding ICC development is critical to understanding gastrointestinal motility patterns. Experiments determining ICC origin and development in mice, chicken, and humans are described, as well as what is known in the zebrafish. At least six types of ICC in the digestive tract have been described and ICC heterogeneity in adult tissues is reviewed. Factors required for ICC development and for maintenance of ICC subclasses are described. This review is suitable for those new to ICC development and physiology, especially those focused on using zebrafish and other model systems.
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- 2024
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8. Revisiting Provider Communication to Support Team Cohesiveness: Implications for Practice, Provider Burnout, and Technology Application in Primary Care Settings.
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Norful AA, He Y, Rosenfeld A, Abraham CM, and Chang B
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- Communication, Cross-Sectional Studies, Humans, Primary Health Care, Surveys and Questionnaires, Technology, Burnout, Professional prevention & control
- Abstract
Background: Effective team communication is an essential aspect of care delivery and the coordination of patients in primary care settings. With the rapid evolution of health information technology (HIT), including the implementation of electronic health records, there remains a gap in the literature about preferred methods of primary care team communication and the subsequent impact of provider and team outcomes (e.g., team cohesiveness; burnout). This study explores the impact of varying modes of communication across provider disciplines and by geographic settings during primary care delivery., Methods: We used a cross-sectional survey design to collect data from a random convenience sample of PCPs (physicians, nurse practitioners, and physician assistants) ( n = 314) in New York State (NYS). We mailed a paper survey with validated measures for communication methods, team cohesiveness, and provider outcomes (burnout, job dissatisfaction, and the intention to leave position). Descriptive statistics, linear regression models, and crude and adjusted odds ratios while controlling for individual and practice characteristics were calculated., Results: In-person communication was found to yield greater job satisfaction and less intention to leave current position in the next year ( p =0.02) compared to other forms of communication including electronic health record features. The odds of job satisfaction was 1.51 times higher with in-person communication (OR: 1.51, 95% CI: 1.05, 2.19), and the odds of intending to leave a position was 45% less with in-person communication (OR: 0.55, 95% CI: 0.36, 0.85). The odds of reporting burnout at work was 36% less with in-person communication (OR: 0.64, 95% CI: 0.43, 0.92) compared to other communication modalities. There was no significant association between team communication via the EHR and team cohesiveness, provider burnout, or job satisfaction., Conclusion: This study demonstrates evidence that in-person communication is more likely to reduce burnout and job dissatisfaction compared to other forms of communication infrastructure in primary care settings. More research is needed to understand PCP perspectives about the functionality and potential burden that inhibits the use of EHR features for provider-provider communication. In addition, attention to the needs of teams by geographic location and by workforce discipline is warranted to ensure effective HIT communication application adoption., Competing Interests: The authors declare that there are no conflicts of interest., (Copyright © 2022 Allison A. Norful et al.)
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- 2022
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9. Mitigating primary care provider burnout with interdisciplinary dyads and shared care delivery.
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Norful AA, He Y, Rosenfeld A, Abraham CM, and Chang B
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- Cross-Sectional Studies, Humans, Job Satisfaction, Primary Health Care, Surveys and Questionnaires, Burnout, Professional epidemiology, Burnout, Professional prevention & control, Nurse Practitioners
- Abstract
Rationale, Aims and Objectives: Increased incidence of chronic illnesses coupled with physician shortages have yielded strain on primary care provider (PCP) to meet care demands. Interdisciplinary providers have increasingly been embedded into primary care teams to alleviate some workload demand. Little evidence exists about the impact of interdisciplinary PCP care delivery models on provider strain in primary care. To determine the impact of interdisciplinary PCP care delivery on burnout, job satisfaction and intention to leave current position., Methods: We conducted a cross-sectional mail survey using Dillman methodology of primary care practices (e.g., internal medicine) across New York State. A random sample of interdisciplinary PCPs (physicians, nurse practitioners, and physician assistants) (n = 333) responded. The Provider Comanagement Index (α = 0.85) was used to measure how well interdisciplinary dyads comanagement care delivery attributes (effective communication; mutual respect and trust; shared philosophy of care). Provider outcomes were measured with validated Agency for Healthcare Research and Quality and Health Resources and Services Administration items for burnout, job satisfaction and intention to leave position. Descriptive statistics, logistic regression models, crude and adjusted odds ratios were calculated, controlling for participant and practice characteristics., Results: Almost 30% of participants reported burnout with three times the odds of intending to leave their current position within 1 year. With each unit increase in effective comanagement between interdisciplinary dyads there was 15% less burnout and 10% less odds of intention to leave position., Conclusion: Incorporating interdisciplinary specialties in primary care appears promising to alleviate some adverse provider outcomes. Organizations contemplating delivery models to promote well-being and retention may consider comanagement. Cost effectiveness research is needed to determine financial sustainability of interdisciplinary care delivery., (© 2021 John Wiley & Sons Ltd.)
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- 2022
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10. Substance use disorder approaches in US primary care clinics with national reputations as workforce innovators.
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O'Malley DM, Abraham CM, Lee HS, Rubinstein EB, Howard J, Hudson SV, Kieber-Emmons AM, and Crabtree BF
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- Evidence-Based Practice, Humans, Primary Health Care, Referral and Consultation, United States, Workforce, Substance-Related Disorders therapy
- Abstract
Background: Over the last decade, primary care clinics in the United States have responded both to national policies encouraging clinics to support substance use disorders (SUD) service expansion and to regulations aiming to curb the opioid epidemic., Objective: To characterize approaches to SUD service expansion in primary care clinics with national reputations as workforce innovators., Methods: Comparative case studies were conducted to characterize different approaches among 12 primary care clinics purposively and iteratively recruited from a national registry of workforce innovators. Observational field notes and qualitative interviews from site visits were coded and analysed to identify and characterize clinic attributes., Results: Codes describing clinic SUD expansion approaches emerged from our analysis. Clinics were characterized as: avoidant (n = 3), contemplative (n = 5) and responsive (n = 4). Avoidant clinics were resistant to planning SUD service expansion; had no or few on-site behavioural health staff; and lacked on-site medication treatment (previously termed medication-assisted therapy) waivered providers. Contemplative clinics were planning or had partially implemented SUD services; members expressed uncertainties about expansion; had co-located behavioural healthcare providers, but no on-site medication treatment waivered and prescribing providers. Responsive clinics had fully implemented SUD; members used non-judgmental language about SUD services; had both co-located SUD behavioural health staff trained in SUD service provision and waivered medication treatment physicians and/or a coordinated referral pathway., Conclusions: Efforts to support SUD service expansion should tailor implementation supports based on specific clinic training and capacity building needs. Future work should inform the adaption of evidence-based practices that are responsive to resource constraints to optimize SUD treatment access., (© The Author(s) 2021. Published by Oxford University Press. All rights reserved. For permissions, please e-mail: journals.permissions@oup.com.)
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- 2022
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11. Biomarkers of sequela in adult patients convalescing from COVID-19.
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Marsán-Suárez V, Casado-Hernández I, Hernández-Ramos E, Díaz-Domínguez G, Triana-Marrero Y, Duarte-Pérez Y, Miranda-Navarro J, Bringas-Pérez R, Simón-Pita AM, Hernández-Rego YLM, Miguel-Morales M, Patria-Sánchez M, Zamora-González Y, Romero-Díaz Y, Aquino-Rojas S, González-Díaz I, Merlín-Linares JC, Leyva-Rodríguez A, Rodríguez-Pérez M, Benito-Caballero O, Navarro-Mariño JA, Elejalde-Larrinaga AR, Elejalde-Tamayo C, Tam-Rey LM, Ruiz-Villegas L, de la Guardia-Peña OM, Jerez-Barcel Y, Chang-Monteagudo A, Lam-Díaz RM, and Macías-Abraham CM
- Abstract
Different biomarkers for SARS-CoV-2 have been linked to detection, diagnosis, treatment, disease progression, and development of new drugs and vaccines. The objective of this research was to evaluate various hematological, biochemicals, immunological, radiological and spirometric parameters in 20 adult patients convalescing from COVID-19 and their possible relationship with the clinical course of the disease. The frequencies of categorical variables were compared using the chi-square and Fisher's exact test. The levels of statistical significance were denoted in each figure legend. Two-dimensional clustering analysis was performed using MeV software from TIGR. The tests with P value of ≤ 0.05 were considered statistically significant. Most of the patients studied presented alterations in dissimilar laboratory, radiological and spirometric parameters, which were related to the clinical evolution of the disease. The results obtained show that certain hematological, biochemical, immunological and radiological parameters can be considered as biomarkers of sequela in adult COVID-19 patients, which allows their stratification, according to the degree of involvement or sequela, into three groups: I (mild degree of involvement or sequela), without lung lesions on computerized axial tomography (CT scan) and high values of IgG, C3 and hemoglobin, II (moderate degree of involvement or sequel), without lung lesions on CT scan, characterized by high levels of CD3+/CD4+ T lymphocytes and the rest of the variables with low values and III (severe degree of involvement or sequela), with lung lesions on CT scan and high values of erythrocyte sedimentation rate, monocytes and neutrophils, associated with lymphopenia and decreased concentrations of IgG and C3., Competing Interests: No conflicts of interest are declared between the participating institutions and researchers., (© 2022 The Authors.)
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- 2022
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12. Effect of Biomodulina-T® and VA-MENGOC-BC® on lymphocyte subpopulations in older adults.
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Ramos EH, Suárez VM, Hernández IC, Gomez RP, Rivera DG, Zamora MCR, Monteagudo AC, Marrero YT, Domínguez GD, Pérez YD, Abraham CM, and Pita AMS
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- Aged, Humans, Lymphocyte Subsets, RNA, Viral, SARS-CoV-2, COVID-19, Immunosenescence
- Abstract
Introduction: The elderly population suffers from the natural process called immunosenescence, which may be related to the high mortality rates it has against the SARS-CoV2 virus, which is why therapies that improve the immune status are required. The combined treatment of the VA-MENGOC-BC® (V-BC) vaccine and the Biomodulina T® (BT) drug could achieve this purpose. This treatment could immunomodulate both the innate and adaptive branches of the immune system simultaneously., Objective: To determine the effect of BT and V-BC on the immunomodulation of lymphocyte subpopulations in older adults., Methods: Our study was carried out in 30 apparently healthy Cuban adults over 65 years of age. The study included three groups of 10 subjects per treatment: a combination of both and the monotherapies. Before and 7 days after treatment, 2 mL of peripheral blood was drawn from each subject. Multiparametric flow cytometry was used to identify lymphocyte subpopulations. For the comparison between the groups, point estimates and the confidence intervals of the Odds Ratio were made., Results: We found that subpopulations of B lymphocytes and natural cytotoxic T (NKT) cells increased only with the administration of BT. Additionally, combination treatments and V-BC did not generate statistically significant immunomodulatory changes in any of the studied lymphocyte subpopulations., Conclusions: BT presented an immunoenhancing effect on the B and NKT lymphocyte subpopulations of older adults. The three-dose treatment scheme a novel and specific treatment strategy for this formulation. We also were verified that the combined application of V-BC and BT did not have the expected benefits. All these findings suggest that BT administration is a promising approach for immune restoration and to offering protection in elderly patients against COVID-19., (Copyright © 2021 Elsevier Inc. All rights reserved.)
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- 2021
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13. Inclusivity and diversity: Integrating international perspectives on stem cell challenges and potential.
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Fears R, Akutsu H, Alentajan-Aleta LT, Caicedo A, Campos de Carvalho AC, Čolić M, Cornish J, Cossu G, Debré P, Dierckxsens G, El-Badri N, Griffin G, Chingo-Ho Hsieh P, Inamdar MS, Kumar P, Abraham CM, Maciulaitis R, Al Mahtab M, O'Brien FJ, Pepper MS, and Meulen VT
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- Animals, Biomedical Research organization & administration, Biomedical Research trends, Cell- and Tissue-Based Therapy methods, Cell- and Tissue-Based Therapy trends, Humans, Information Dissemination methods, Internationality, Regenerative Medicine organization & administration, Regenerative Medicine trends, Stem Cells metabolism, Biomedical Research methods, Regenerative Medicine methods, Research Design, Stem Cells cytology
- Abstract
Regenerative medicine has great potential. The pace of scientific advance is exciting and the medical opportunities for regeneration and repair may be transformative. However, concerns continue to grow, relating to problems caused both by unscrupulous private clinics offering unregulated therapies based on little or no evidence and by premature regulatory approval on the basis of insufficient scientific rationale and clinical evidence. An initiative by the InterAcademy Partnership convened experts worldwide to identify opportunities and challenges, with a focus on stem cells. This was designed to be inclusive and consensus outputs reflected the diversity of the global research population. Among issues addressed for supporting research and innovation while protecting patients were ethical assessment; pre-clinical and clinical research; regulatory authorization and medicines access; and engagement with patients, policy makers, and the public. The InterAcademy Partnership (IAP) identified options for action for sharing good practice and building collaboration within the scientific community and with other stakeholders worldwide., Competing Interests: Conflict of interests A.C. is CEO of Dragon BioMed-USFQ and M.S.P. is founder of the biotech company Antion biosciences (https://antion.ch/#1). Other authors declare no competing interests., (Copyright © 2021 The Authors. Published by Elsevier Inc. All rights reserved.)
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- 2021
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14. Primary care nurse practitioner burnout and perceptions of quality of care.
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Abraham CM, Zheng K, Norful AA, Ghaffari A, Liu J, and Poghosyan L
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- Cross-Sectional Studies, Humans, Perception, Primary Health Care, Quality of Health Care, Burnout, Professional, Nurse Practitioners
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Background: Burnout threatens patient care and clinicians are experiencing challenges within the practice environment. Little is known about nurse practitioner (NP) perceptions of burnout and its relationship to care quality and practice environment. We investigate the relationship between primary care NP burnout on perceptions of care quality and if the practice environment moderates the relationship between burnout and care quality., Methods: This is a secondary analysis of cross-sectional survey data from 396 NPs. Burnout and care quality were measured using a single item, but the practice environment was measured using the Nurse Practitioner Primary Care Organizational Climate Questionnaire. Multi-level proportional odds cumulative logit models were built to test for associations between burnout and care quality and for moderation., Results: Total, 25.3% of NPs reported burnout. Odds of perceiving higher quality of care was 85% less for NPs experiencing burnout compared to those not experiencing burnout. Practice environment did not moderate the relationship between burnout and care quality, but with a one unit increase in the practice environment subscales, the odds of NPs perceiving higher care quality increased anywhere from 3.83 to 7.57 times., Conclusion: Burnout is related to lower perceptions of care quality but favorable environments were related to higher perceptions of quality., (© 2021 Wiley Periodicals LLC.)
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- 2021
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15. Primary care Practice Environment and Burnout among Nurse Practitioners.
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Abraham CM, Zheng K, Norful AA, Ghaffari A, Liu J, and Poghosyan L
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Poor practice environments contribute to burnout, but favorable environments containing support, resources, autonomy, and optimal relations with colleagues may prevent burnout. Compared to all nurse practitioners (NPs), 69% of these NPs provide primary care to patients, yet it is unknown whether the practice environment is associated with NP burnout. A study to examine environmental factors related to NP burnout was conducted. Overall, 396 NPs completed the survey and 25.3% were burnt-out. Higher scores on the professional visibility, NP-physician relations, NP-administration relations, independent practice and support subscales were associated with 51%, 51%, 58%, and 56% lower risk of NP burnout, respectively., Competing Interests: Conflicts of Interest: The authors declare no conflicts of interest.
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- 2021
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16. Use of multifunctional electronic health records and burnout among primary care nurse practitioners.
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Abraham CM, Zheng K, Norful AA, Ghaffari A, Liu J, Topaz M, and Poghosyan L
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- Cross-Sectional Studies, Electronic Health Records, Humans, Primary Health Care, Surveys and Questionnaires, Burnout, Professional, Nurse Practitioners
- Abstract
Background: Prevalence of electronic health records (EHRs) has significantly increased, and EHRs are a known contributor to clinician burnout. However, it is unknown whether the use of multifunctional EHRs is associated with nurse practitioner (NP) burnout in primary care practices. This is a major gap in the literature because 69% of practicing NPs deliver primary care services to patients., Purpose: This study aimed to investigate whether the use of multifunctional EHRs is associated with primary care NP burnout., Method: This study is a secondary analysis of cross-sectional survey data collected from NPs in two states (Pennsylvania and New Jersey). Nurse practitioners completed surveys measuring burnout, use of multifunctional EHRs, demographics, and characteristics of their practice. Use of multifunctional EHRs was operationalized using two items-computerized capabilities and electronic reminder systems. Burnout was measured using a validated, single item asking NPs to self-report their feelings of burnout. A multilevel cox regression model was built to test for associations between the use of multifunctional EHRs and NP burnout., Results: Of 396 NPs included, 25.3% reported burnout. The use of multifunctional EHRs did not increase primary care NP burnout (risk ratio = 0.30, 95% confidence interval = 0.13-0.71, p = .01)., Implications for Practice: With 25.3% of NPs burned out, it is imperative to reduce NP burnout. However, computerized capabilities and electronic reminder systems did not contribute to feelings of NP burnout. Future research examining other EHR components is needed to understand which features of the EHR contribute to NP burnout., Competing Interests: Competing interests: The authors report no conflicts of interest., (Copyright © 2020 American Association of Nurse Practitioners.)
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- 2021
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17. Predictors and Outcomes of Burnout Among Primary Care Providers in the United States: A Systematic Review.
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Abraham CM, Zheng K, and Poghosyan L
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- Cross-Sectional Studies, Health Personnel, Humans, Primary Health Care, United States, Burnout, Professional
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Primary care providers (PCPs) in the United States work in challenging environments and may be at risk for burnout. This article identifies the predictors and outcomes of burnout among PCPs in the United States. A comprehensive literature search of eight databases was conducted to identify studies investigating predictors or outcomes of PCP burnout. The Joanna Briggs Institute's critical appraisal checklists for cross-sectional and cohort studies were used for quality appraisal. Overall, 21 studies met inclusion criteria, had sufficient quality, reported personal and/or organizational predictors of burnout, and described burnout outcomes at the patient, provider, or organizational level. Prevalence of PCP burnout ranged from 13.5% to 60%. The primary care practice environment was the most common predictor of PCP burnout. In conclusion, developing interventions to improve the practice environment may help reduce PCP burnout. Future studies using robust study designs and standardized instruments to consistently measure burnout are needed.
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- 2020
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18. Factors Influencing Cardiovascular Risk Factors and Health Perception Among Kentuckians Living in Appalachia.
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Abraham CM, Kelly S, Wantland D, Chung ML, Mudd-Martin G, Biddle MJ, and Moser DK
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- Adult, Appalachian Region, Body Mass Index, Cross-Sectional Studies, Female, Humans, Hypertension psychology, Kentucky, Male, Middle Aged, Risk Factors, Rural Population statistics & numerical data, Waist Circumference, Attitude to Health, Cardiovascular Diseases psychology, Health Behavior, Heart Disease Risk Factors
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Background: Cardiovascular disease (CVD) and risk factors for CVD are prevalent among Appalachians from Kentucky. Appalachian men and women have high rates of engagement in unhealthy behaviors and poor physical health measures that increase their risk for CVD., Objective: In this study, the relationship among gender, CVD risk factors, and health perception in Appalachians from Kentucky was explored., Methods: This cross-sectional secondary analysis is from a randomized controlled trial on CVD health in rural Kentucky. To assess gender differences in smoking history, χ was used. Independent t tests compared the mean between participants 50 years or younger and those older than 50 years with differences in body mass index (BMI), waist circumference, systolic and diastolic blood pressure, hemoglobin A1C, total cholesterol, and physical activity. A multivariate linear regression analysis assessed variables predicting the outcome of health perception., Results: Most participants had a mean BMI of 33 kg/m and 94.3% of men used smokeless tobacco compared to 5.7% of the women. Differences existed between gender and current, ever, or never smoked (P < .001). Women had higher total cholesterol levels but men had higher waist circumference. Participants older than 50 years had higher engagement in physical activity than did those 50 years or younger. Higher BMI and hemoglobin A1C level were significant predictors of worse health perception (P ≤ .05). For every unit increase in the physical activity scale, there was a 0.2-unit improvement in health perception (P ≤ .001)., Conclusion: Appalachians from Kentucky have many CVD risk factors. Minimal engagement in preventative measures against CVD can worsen patient outcomes.
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- 2020
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19. Cost-Effectiveness of Advanced Practice Nurses Compared to Physician-Led Care for Chronic Diseases: A Systematic Review.
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Abraham CM, Norful AA, Stone PW, and Poghosyan L
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Globally, advanced practice nurses (APNs) provide high-quality chronic disease care to patients, yet the cost-effectiveness of their services is minimally explored. This review aims to determine the cost-effectiveness of chronic disease care provided by APNs compared to physicians globally.
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- 2019
20. Anxiety sensitivity mediates the relationship between exercise frequency and anxiety and depression symptomology.
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Broman-Fulks JJ, Abraham CM, Thomas K, Canu WH, and Nieman DC
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- Adolescent, Adult, Aged, Aged, 80 and over, Anxiety epidemiology, Comorbidity, Depression epidemiology, Female, Humans, Male, Middle Aged, North Carolina epidemiology, Somatoform Disorders epidemiology, Young Adult, Anxiety physiopathology, Depression physiopathology, Exercise physiology, Personality physiology, Somatoform Disorders physiopathology
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The anxiolytic and antidepressant effects of regular physical exercise have been well documented, though the mechanisms through which exercise alleviates symptoms of emotion disorders require further investigation. Mounting research indicates that exercise reduces anxiety sensitivity, a known vulnerability factor for the development and maintenance of psychological disorders, presumably via repeated exposure to feared somatic sensations. The purpose of the present study was to examine whether anxiety sensitivity mediates the relation between exercise frequency and symptoms of anxiety and depression. A large community sample of 955 volunteers completed a demographic questionnaire, the Anxiety Sensitivity Index-3, and the Brief Symptom Inventory-18. Exercise frequency significantly predicted anxiety sensitivity, anxiety, depression, and somatization scores. Mediation analyses indicated that anxiety sensitivity mediated the association between exercise frequency and anxiety, depression, and somatization symptoms. The findings provide further support for the association between exercise and negative affective states and suggest that anxiety sensitivity may be one mechanism through which exercise reduces emotional disorder symptomology. The implications of these findings and recommendations for future research are discussed., (Copyright © 2018 John Wiley & Sons, Ltd.)
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- 2018
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21. Videoscope Assisted Minimally Invasive Surgery (VMIS): 36-Month Results.
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Harrel SK, Nunn ME, Abraham CM, Rivera-Hidalgo F, Shulman JD, and Tunnell JC
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- Adult, Aged, Alveolar Bone Loss diagnostic imaging, Alveolar Bone Loss surgery, Analysis of Variance, Female, Follow-Up Studies, Gingival Recession surgery, Guided Tissue Regeneration, Periodontal instrumentation, Guided Tissue Regeneration, Periodontal methods, Humans, Male, Middle Aged, Oral Surgical Procedures instrumentation, Oral Surgical Procedures methods, Periodontal Attachment Loss diagnostic imaging, Periodontal Attachment Loss surgery, Periodontal Diseases diagnostic imaging, Periodontal Diseases surgery, Periodontal Pocket diagnostic imaging, Periodontal Pocket surgery, Surgical Flaps surgery, Texas, Treatment Outcome, Minimally Invasive Surgical Procedures instrumentation, Minimally Invasive Surgical Procedures methods, Video-Assisted Surgery instrumentation, Video-Assisted Surgery methods
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Background: Clinical outcomes from videoscope assisted minimally invasive surgery (VMIS) at 36 to 58 months are reported., Methods: Fourteen patients having sites with residual probing depth (PD) of at least 5 mm and 2 mm loss of clinical attachment level (CAL) after initial non-surgical therapy were treated with VMIS., Results: At 36 months or greater post-surgery there was a statistically significant improvement (P <0.001) in mean PD and CAL (PD: 3.80 ± 1.18 mm, CAL: 4.16 ± 1.18 mm) in all surgical sites compared with baseline. There was a mean improvement in soft tissue height (0.36 ± 0.64 mm, P = 0.03). In most cases, patients reported no postoperative discomfort., Conclusions: Improvements from VMIS appear to be favorable when compared with previously reported results of periodontal regenerative surgery. All improvements were stable over time. The lack of post-surgical recession after VMIS has not been reported with traditional regenerative surgery.
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- 2017
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22. The FACT Complex Promotes Avian Leukosis Virus DNA Integration.
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Winans S, Larue RC, Abraham CM, Shkriabai N, Skopp A, Winkler D, Kvaratskhelia M, and Beemon KL
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- Amino Acid Sequence, Animals, Avian Leukosis Virus enzymology, Chick Embryo, Conserved Sequence, HEK293 Cells, Humans, Integrases physiology, Protein Binding, Protein Interaction Domains and Motifs, Virus Integration, Avian Leukosis Virus genetics, Cell Cycle Proteins physiology, DNA, Viral physiology, DNA-Binding Proteins physiology, High Mobility Group Proteins physiology, Transcription Factors physiology, Transcriptional Elongation Factors physiology
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All retroviruses need to integrate a DNA copy of their genome into the host chromatin. Cellular proteins regulating and targeting lentiviral and gammaretroviral integration in infected cells have been discovered, but the factors that mediate alpharetroviral avian leukosis virus (ALV) integration are unknown. In this study, we have identified the FACT protein complex, which consists of SSRP1 and Spt16, as a principal cellular binding partner of ALV integrase (IN). Biochemical experiments with purified recombinant proteins show that SSRP1 and Spt16 are able to individually bind ALV IN, but only the FACT complex effectively stimulates ALV integration activity in vitro Likewise, in infected cells, the FACT complex promotes ALV integration activity, with proviral integration frequency varying directly with cellular expression levels of the FACT complex. An increase in 2-long-terminal-repeat (2-LTR) circles in the depleted FACT complex cell line indicates that this complex regulates the ALV life cycle at the level of integration. This regulation is shown to be specific to ALV, as disruption of the FACT complex did not inhibit either lentiviral or gammaretroviral integration in infected cells. IMPORTANCE The majority of human gene therapy approaches utilize HIV-1- or murine leukemia virus (MLV)-based vectors, which preferentially integrate near genes and regulatory regions; thus, insertional mutagenesis is a substantial risk. In contrast, ALV integrates more randomly throughout the genome, which decreases the risks of deleterious integration. Understanding how ALV integration is regulated could facilitate the development of ALV-based vectors for use in human gene therapy. Here we show that the FACT complex directly binds and regulates ALV integration efficiency in vitro and in infected cells., (Copyright © 2017 American Society for Microbiology.)
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- 2017
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23. Thalamic Functional Connectivity in Mild Traumatic Brain Injury: Longitudinal Associations With Patient-Reported Outcomes and Neuropsychological Tests.
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Banks SD, Coronado RA, Clemons LR, Abraham CM, Pruthi S, Conrad BN, Morgan VL, Guillamondegui OD, and Archer KR
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- Adolescent, Adult, Brain diagnostic imaging, Brain metabolism, Case-Control Studies, Depression etiology, Depression physiopathology, Female, Humans, Male, Middle Aged, Neuropsychological Tests, Pain etiology, Pain physiopathology, Patient Reported Outcome Measures, Post-Concussion Syndrome, Prospective Studies, Stress Disorders, Post-Traumatic etiology, Stress Disorders, Post-Traumatic physiopathology, Thalamus diagnostic imaging, Young Adult, Brain Concussion complications, Brain Concussion physiopathology, Thalamus metabolism
- Abstract
Objectives: (1) To examine differences in patient-reported outcomes, neuropsychological tests, and thalamic functional connectivity (FC) between patients with mild traumatic brain injury (mTBI) and individuals without mTBI and (2) to determine longitudinal associations between changes in these measures., Design: Prospective observational case-control study., Setting: Academic medical center., Participants: A sample (N=24) of 13 patients with mTBI (mean age, 39.3±14.0y; 4 women [31%]) and 11 age- and sex-matched controls without mTBI (mean age, 37.6±13.3y; 4 women [36%])., Interventions: Not applicable., Main Outcome Measures: Resting state FC (3T magnetic resonance imaging scanner) was examined between the thalamus and the default mode network, dorsal attention network, and frontoparietal control network. Patient-reported outcomes included pain (Brief Pain Inventory), depressive symptoms (Patient Health Questionnaire-9), posttraumatic stress disorder ([PTSD] Checklist - Civilian Version), and postconcussive symptoms (Rivermead Post-Concussion Symptoms Questionnaire). Neuropsychological tests included the Delis-Kaplan Executive Function System Tower test, Trails B, and Hotel Task. Assessments occurred at 6 weeks and 4 months after hospitalization in patients with mTBI and at a single visit for controls., Results: Student t tests found increased pain, depressive symptoms, PTSD symptoms, and postconcussive symptoms; decreased performance on Trails B; increased FC between the thalamus and the default mode network; and decreased FC between the thalamus and the dorsal attention network and between the thalamus and the frontoparietal control network in patients with mTBI as compared with controls. The Spearman correlation coefficient indicated that increased FC between the thalamus and the dorsal attention network from baseline to 4 months was associated with decreased pain and postconcussive symptoms (corrected P<.05)., Conclusions: Findings suggest that alterations in thalamic FC occur after mTBI, and improvements in pain and postconcussive symptoms are correlated with normalization of thalamic FC over time., Competing Interests: The authors report no conflicts of interest., (Copyright © 2016 American Congress of Rehabilitation Medicine. Published by Elsevier Inc. All rights reserved.)
- Published
- 2016
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24. Videoscope-Assisted Minimally Invasive Periodontal Surgery: One-Year Outcome and Patient Morbidity.
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Harrel SK, Abraham CM, Rivera-Hidalgo F, Shulman JD, and Nunn ME
- Subjects
- Follow-Up Studies, Gingival Recession surgery, Guided Tissue Regeneration, Periodontal, Humans, Periodontal Pocket surgery, Surgical Flaps, Treatment Outcome, Minimally Invasive Surgical Procedures, Periodontal Attachment Loss surgery
- Abstract
The aim of this study was to report the 1-year clinical outcomes from videoscope-assisted minimally invasive surgery (V-MIS). A sample of 18 patients having sites with residual pocket probing depth (PPD) of at least 5 mm and 2 mm loss in clinical attachment level (CAL) following initial nonsurgical therapy were treated with V-MIS. At 12 months postsurgery, there was a statistically significant improvement (P < .001) in mean PPD (4.11 ± 0.98 mm) and CAL (4.58 ± 1.19 mm) in all surgical sites. A mean improvement in soft tissue height (0.48 ± 0.65 mm, P = .006) was also observed. In most cases, patients reported no postoperative discomfort. The improvements associated with V-MIS appear to be favorable when compared with previously reported results of periodontal regenerative surgery. The lack of postsurgical recession following V-MIS has not been reported with traditional regenerative surgery.
- Published
- 2016
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25. Clinical Significance of Pain at Hospital Discharge Following Traumatic Orthopedic Injury: General Health, Depression, and PTSD Outcomes at 1 Year.
- Author
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Archer KR, Heins SE, Abraham CM, Obremskey WT, Wegener ST, and Castillo RC
- Subjects
- Adult, Age Distribution, Aged, Aged, 80 and over, Causality, Comorbidity, Depression psychology, Female, Follow-Up Studies, Health Status, Humans, Longitudinal Studies, Male, Middle Aged, Patient Discharge statistics & numerical data, Prevalence, Prognosis, Risk Assessment, Sex Distribution, Stress Disorders, Post-Traumatic psychology, Trauma Severity Indices, Wounds and Injuries psychology, Young Adult, Depression epidemiology, Orthopedic Procedures statistics & numerical data, Pain, Postoperative epidemiology, Stress Disorders, Post-Traumatic epidemiology, Wounds and Injuries epidemiology, Wounds and Injuries surgery
- Abstract
Objectives: The purpose of this study was to determine whether pain at hospital discharge is associated with general health and depression and posttraumatic stress disorder (PTSD) at 1 year following traumatic orthopedic injury., Materials and Methods: This study prospectively enrolled 213 patients, 19 to 86 years of age, admitted to an academic level 1 trauma center for surgical treatment of a traumatic lower-extremity or upper-extremity orthopedic injury. Pain at hospital discharge was measured with the Brief Pain Inventory. At 1-year follow-up, physical and mental health was assessed with the SF-12 and depressive and PTSD symptoms with the 9-item Patient Health Questionnaire (PHQ-9) and PTSD Checklist-Civilian Version (PCL-C), respectively. Cut-off scores of 10 on the PHQ-9 and 44 on the PCL-C classified patients as having depression or PTSD., Results: A total of 133 patients (62%) completed follow-up at 1 year. Responders and nonresponders did not differ significantly on baseline characteristics. Multivariable regression found that increased pain at discharge was significantly associated with depression (odds ratio=3.3; P<0.001) and PTSD (odds ratio=1.4; P=0.03) at 1 year, after controlling for age, education, injury severity score, and either depressive or PTSD symptoms at hospital discharge. Early postoperative pain was not a significant risk factor for long-term physical and mental health., Discussion: Findings highlight the importance of early screening for uncontrolled postoperative pain to identify patients at high risk for poor psychological outcomes and who could benefit from more aggressive pain management. Results suggest early interventions are needed to address pain severity in patients with orthopedic trauma.
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- 2016
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26. Psychosocial Factors Predict Pain and Physical Health After Lower Extremity Trauma.
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Archer KR, Abraham CM, and Obremskey WT
- Subjects
- Adaptation, Psychological, Adult, Catastrophization, Depression diagnosis, Depression psychology, Disability Evaluation, Fear, Female, Fractures, Bone diagnosis, Fractures, Bone physiopathology, Fractures, Bone therapy, Humans, Linear Models, Male, Middle Aged, Multivariate Analysis, Musculoskeletal Pain diagnosis, Musculoskeletal Pain physiopathology, Musculoskeletal Pain therapy, Pain Measurement, Prognosis, Prospective Studies, Risk Factors, Fractures, Bone psychology, Health Status, Lower Extremity injuries, Mental Health, Musculoskeletal Pain psychology
- Abstract
Background: There has been increasing evidence to support the importance of psychosocial factors to poor outcomes after trauma. However, little is known about the contribution of pain catastrophizing and fear of movement to persistent pain and disability., Questions/purposes: Therefore, we aimed to determine whether (1) high pain catastrophizing scores are independently associated with pain intensity or pain interference; (2) high fear of movement scores are independently associated with decreased physical health; and (3) depressive symptoms are independently associated with pain intensity, pain interference, or physical health at 1 year after accounting for patient characteristics of age and education., Methods: Of 207 eligible patients, we prospectively enrolled 134 patients admitted to a Level I trauma center for surgical treatment of a fracture to the lower extremity. Sixty percent of patients (80 of 134) had an isolated lower extremity injury and the remainder sustained additional minor injury to the head/spine, abdomen/thorax, or upper extremity. Pain catastrophizing was measured with the Pain Catastrophizing Scale, fear of movement with the Tampa Scale for Kinesiophobia, and depressive symptoms with the Patient Health Questionnaire. Pain and physical health outcomes were assessed with the Brief Pain Inventory and the SF-12, respectively. Assessments were completed at 4 weeks and 1 year after hospitalization. Multiple variable hierarchical linear regression analyses were used to address study hypotheses. One hundred ten patients (82%) completed the 1-year followup., Results: Pain catastrophizing at 4 weeks was associated with pain intensity (β = 0.67; p < 0.001) and pain interference (β = 0.38; p = 0.03) at 1 year. No association was found between fear of movement and physical health (β = 0.15; p = 0.34). Depressive symptoms at 4 weeks were associated with pain intensity (β = 0.49; p < 0.001), pain interference (β = 0.51; p < 0.001), and physical health (β = -0.32; p = 0.01) at 1 year., Conclusions: Catastrophizing behavior patterns and depressive symptoms are associated with more severe pain and worse function after traumatic lower extremity injury. Cognitive and behavioral strategies that have proven effective for chronic pain populations may be beneficial for trauma patients. Future research is needed to determine whether the early identification and treatment of subgroups of at-risk patients based on catastrophizing behavior or depressive symptoms can improve long-term outcomes., Level of Evidence: Level I, prognostic study.
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- 2015
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27. Telephone-based goal management training for adults with mild traumatic brain injury: study protocol for a randomized controlled trial.
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Archer KR, Coronado RA, Haislip LR, Abraham CM, Vanston SW, Lazaro AE, Jackson JC, Ely EW, Guillamondegui OD, and Obremskey WT
- Subjects
- Adult, Brain Injuries diagnosis, Brain Injuries physiopathology, Brain Injuries psychology, Clinical Protocols, Cognition, Executive Function, Female, Health Knowledge, Attitudes, Practice, Humans, Male, Mental Health, Mindfulness, Neuropsychological Tests, Recovery of Function, Research Design, Severity of Illness Index, Surveys and Questionnaires, Telemedicine methods, Tennessee, Time Factors, Trauma Centers, Treatment Outcome, Brain Injuries rehabilitation, Cognitive Behavioral Therapy instrumentation, Goals, Patient Education as Topic, Telemedicine instrumentation, Telephone
- Abstract
Background: Approximately 1 million individuals experience a mild traumatic brain injury (TBI) and cost the United States nearly $17 billion each year. Many trauma survivors with mild TBI have debilitating and long-term physical, emotional, and cognitive impairments that are unrecognized at trauma centers. Early intervention studies are needed to address these impairments, especially cognitive deficits in executive functioning. Goal management training (GMT) is a structured cognitive rehabilitation program that has been found to improve executive functioning in patients with moderate to severe TBI. The current study adapted the GMT program for telephone delivery in order to improve the accessibility of rehabilitation services in a patient population with multiple barriers to care and significant yet unrecognized cognitive impairment. The primary objective of this study is to examine the efficacy of telephone-based GMT for improving executive functioning, functional status, and psychological health in trauma survivors with mild TBI., Methods/design: This study is a three-group randomized controlled trial being conducted at a Level I trauma center. Ninety trauma survivors with mild TBI and cognitive deficits in executive functioning will be randomized to receive telephone-based GMT, telephone-based education, or usual care. GMT and education programs will be delivered by a physical therapist. The first in-person session is 1 h and the remaining six telephone sessions are 30 min. A battery of well-established cognitive tests will be conducted and validated questionnaires will be collected that measure executive functioning, functional status, and depressive and posttraumatic stress disorder symptoms at 6 weeks, 4 months, and 7 months following hospital discharge., Discussion: This study supports a telephone-delivery approach to rehabilitation services in order to broaden the availability of evidence-based cognitive strategies., Trial Registration: This trial was registered with Clinicaltrials.gov on 10 October 2012, registration number: NCT01714531.
- Published
- 2015
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28. Identification of novel vascular projections with cellular trafficking abilities on the microvasculature of pancreatic ductal adenocarcinoma.
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Hexige S, Ardito-Abraham CM, Wu Y, Wei Y, Fang Y, Han X, Li J, Zhou P, Yi Q, Maitra A, Liu JO, Tuveson DA, Lou W, and Yu L
- Subjects
- Adaptation, Physiological physiology, Biomarkers, Tumor metabolism, Carcinoma, Pancreatic Ductal pathology, Cell Movement physiology, Glucose Transporter Type 1 metabolism, Humans, Microvessels pathology, Pancreatic Neoplasms pathology, Carcinoma, Pancreatic Ductal blood supply, Pancreatic Neoplasms blood supply
- Abstract
Pancreatic ductal adenocarcinoma (PDAC) is a nearly lethal neoplasm. It is a remarkably stroma-rich, vascular-poor and hypo-perfused tumour, which prevents efficient drug delivery. Paradoxically, the neoplastic cells have robust glucose uptake, suggesting that the microvasculature has adopted an alternative method for nutrient uptake and cellular trafficking. Using adapted thick tumour section immunostaining and three-dimensional (3D) construction imaging in human tissue samples, we identified an undiscovered feature of the mature microvasculature in advanced PDAC tumours; long, hair-like projections on the basal surface of microvessels that we refer to as 'basal microvilli'. Functionally, these basal microvilli have an actin-rich cytoskeleton and endocytic and exocytic properties, and contain glucose transporter-1 (GLUT-1)-positive vesicles. Clinically, as demonstrated by PET-CT, the tumour microvasculature with the longest and most abundant basal microvilli correlated with high glucose uptake of the PDAC tumour itself. In addition, these basal microvilli were found in regions of the tumour with low GLUT-1 expression, suggesting that their presence could be dependent upon the glucose concentration in the tumour milieu. Similar microvasculature features were also observed in a K-Ras-driven model of murine PDAC. Altogether, these basal microvilli mark a novel pathological feature of PDAC microvasculature. Because basal microvilli are pathological features with endo- and exocytic properties, they may provide a non-conventional method for cellular trafficking in PDAC tumours., (Copyright © 2015 Pathological Society of Great Britain and Ireland. Published by John Wiley & Sons, Ltd.)
- Published
- 2015
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29. Organoid models of human and mouse ductal pancreatic cancer.
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Boj SF, Hwang CI, Baker LA, Chio II, Engle DD, Corbo V, Jager M, Ponz-Sarvise M, Tiriac H, Spector MS, Gracanin A, Oni T, Yu KH, van Boxtel R, Huch M, Rivera KD, Wilson JP, Feigin ME, Öhlund D, Handly-Santana A, Ardito-Abraham CM, Ludwig M, Elyada E, Alagesan B, Biffi G, Yordanov GN, Delcuze B, Creighton B, Wright K, Park Y, Morsink FH, Molenaar IQ, Borel Rinkes IH, Cuppen E, Hao Y, Jin Y, Nijman IJ, Iacobuzio-Donahue C, Leach SD, Pappin DJ, Hammell M, Klimstra DS, Basturk O, Hruban RH, Offerhaus GJ, Vries RG, Clevers H, and Tuveson DA
- Subjects
- Animals, Humans, Mice, Mice, Inbred C57BL, Mice, Nude, Pancreas metabolism, Pancreas pathology, Carcinoma, Pancreatic Ductal pathology, Models, Biological, Organ Culture Techniques, Organoids pathology, Pancreatic Neoplasms pathology
- Abstract
Pancreatic cancer is one of the most lethal malignancies due to its late diagnosis and limited response to treatment. Tractable methods to identify and interrogate pathways involved in pancreatic tumorigenesis are urgently needed. We established organoid models from normal and neoplastic murine and human pancreas tissues. Pancreatic organoids can be rapidly generated from resected tumors and biopsies, survive cryopreservation, and exhibit ductal- and disease-stage-specific characteristics. Orthotopically transplanted neoplastic organoids recapitulate the full spectrum of tumor development by forming early-grade neoplasms that progress to locally invasive and metastatic carcinomas. Due to their ability to be genetically manipulated, organoids are a platform to probe genetic cooperation. Comprehensive transcriptional and proteomic analyses of murine pancreatic organoids revealed genes and pathways altered during disease progression. The confirmation of many of these protein changes in human tissues demonstrates that organoids are a facile model system to discover characteristics of this deadly malignancy., (Copyright © 2015 Elsevier Inc. All rights reserved.)
- Published
- 2015
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30. Hospital delirium and psychological distress at 1 year and health-related quality of life after moderate-to-severe traumatic injury without intracranial hemorrhage.
- Author
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Abraham CM, Obremskey WT, Song Y, Jackson JC, Ely EW, and Archer KR
- Subjects
- Adult, Depression psychology, Female, Follow-Up Studies, Hospitalization, Humans, Intensive Care Units, Male, Middle Aged, Psychiatric Status Rating Scales, Stress Disorders, Post-Traumatic psychology, Time Factors, Trauma Severity Indices, Delirium psychology, Depression epidemiology, Quality of Life psychology, Stress Disorders, Post-Traumatic epidemiology, Wounds and Injuries psychology
- Abstract
Objectives: To determine whether delirium during the hospital stay predicted health-related quality of life (HRQOL) at 1 year after injury in trauma intensive care unit (ICU) survivors without intracranial hemorrhage, and to examine the association between depressive and posttraumatic stress disorder (PTSD) symptoms and each of the HRQOL domains at 1-year follow-up., Design: Prognostic cohort with a 1-year follow-up., Setting: Level 1 trauma ICU., Participants: Adult patients without intracranial hemorrhage (N=173) admitted to a level 1 trauma ICU., Interventions: Not applicable., Main Outcome Measures: HRQOL was measured with the Medical Outcomes Study 36-Item Short-Form Health Survey at 1 year after traumatic injury., Results: Average delirium duration ± SD was .51±1.1 days. Hierarchical multivariable linear regression analyses did not find a statistical relationship between delirium and HRQOL at 1-year follow-up. However, increased levels of depressive symptoms at 1 year were statistically associated with poorer functioning in all physical and mental health HRQOL domains, whereas PTSD at 1 year was statistically associated with all HRQOL domains except role-physical (P<.05)., Conclusions: There was no statistical association between delirium during the hospital stay and HRQOL at 1 year, which may be due to the short time spent in delirium by our study population. Depressive symptoms demonstrated a stronger relationship with mental and physical HRQOL domains at 1 year than PTSD, indicating their own unique pathway after trauma. Findings lend support for the separate assessment and management of depression and PTSD. Additional research on the duration and subtypes of delirium is needed within the trauma ICU population, as the effects are not widely known., (Copyright © 2014 American Congress of Rehabilitation Medicine. Published by Elsevier Inc. All rights reserved.)
- Published
- 2014
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31. Videoscope-assisted minimally invasive periodontal surgery (V-MIS).
- Author
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Harrel SK, Abraham CM, Rivera-Hidalgo F, Shulman JD, and Nunn ME
- Subjects
- Adult, Aged, Alveolar Bone Loss surgery, Cohort Studies, Dental Calculus surgery, Female, Follow-Up Studies, Gingival Recession surgery, Granulation Tissue surgery, Humans, Male, Middle Aged, Minimally Invasive Surgical Procedures methods, Periodontal Attachment Loss surgery, Periodontal Pocket surgery, Prospective Studies, Root Planing, Subgingival Curettage instrumentation, Surgical Flaps surgery, Treatment Outcome, Periodontal Diseases surgery, Video-Assisted Surgery methods
- Abstract
Aim: Small incision surgery has become routine in many areas of medicine but has not been widely accepted in periodontal therapy. A videoscope to assist minimally invasive surgery (MIS) has been developed. The clinical outcomes from MIS performed using this videoscope (V-MIS) are reported., Materials and Methods: Patients were evaluated for residual defects following non-surgical therapy consisting of root planing with local anaesthetic. Thirty patients having 110 sites with residual pocket probing depth (PPD) of at least 5 mm, 2 mm loss of clinical attachment level (CAL), and radiographic evidence of bone loss were surgically treated. V-MIS was performed utilizing the videoscope for surgical visualization., Results: At re-evaluation 6 months post surgery, there was a statistically significant improvement (p < .001) in mean PPD and CAL (PPD 3.88 ± 1.02 mm, CAL 4.04 ± 1.38 mm) in 1, 2, and 3 wall defects. All PPD at re-evaluation were 3 mm or less. There was a mean post-surgical increase in soft tissue height (0.13 ± 0.61 mm, p = 0.168) with a decrease in recession., Conclusions: The improvement in PPD and CAL from V-MIS, in the authors' opinion, appears to be favourable when compared to previously reported results of periodontal regenerative surgery. The lack of post-surgical recession following V-MIS has not been reported with traditional regenerative surgery., (© 2014 John Wiley & Sons A/S. Published by John Wiley & Sons Ltd.)
- Published
- 2014
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32. A brief historical perspective on dental implants, their surface coatings and treatments.
- Author
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Abraham CM
- Abstract
This review highlights a brief, chronological sequence of the history of dental implants. This historical perspective begins with ancient civilizations and spotlights predominant dentists and their contributions to implant development through time. The physical, chemical and biologic properties of various dental implant surfaces and coatings are discussed, and specific surface treatments include an overview of machined implants, etched implants, and sand-blasted implants. Dental implant coatings such as hydroxyapatite, fluoride, and statin usage are further reviewed.
- Published
- 2014
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33. Cognitive-behavioral-based physical therapy to improve surgical spine outcomes: a case series.
- Author
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Archer KR, Motzny N, Abraham CM, Yaffe D, Seebach CL, Devin CJ, Spengler DM, McGirt MJ, Aaronson OS, Cheng JS, and Wegener ST
- Subjects
- Adult, Aged, Disability Evaluation, Female, Humans, Male, Middle Aged, Pain Measurement, Quality of Life, Reproducibility of Results, Risk Factors, Surveys and Questionnaires, Treatment Outcome, Cognitive Behavioral Therapy, Fear, Lumbar Vertebrae surgery, Physical Therapy Modalities, Spinal Diseases psychology, Spinal Diseases rehabilitation, Spinal Diseases surgery
- Abstract
Background and Purpose: Fear of movement is a risk factor for poor postoperative outcomes in patients following spine surgery. The purposes of this case series were: (1) to describe the effects of a cognitive-behavioral-based physical therapy (CBPT) intervention in patients with high fear of movement following lumbar spine surgery and (2) to assess the feasibility of physical therapists delivering cognitive-behavioral techniques over the telephone., Case Description: Eight patients who underwent surgery for a lumbar degenerative condition completed the 6-session CBPT intervention. The intervention included empirically supported behavioral self-management, problem solving, and cognitive restructuring and relaxation strategies and was conducted in person and then weekly over the phone. Patient-reported outcomes of pain and disability were assessed at baseline (6 weeks after surgery), postintervention (3 months after surgery), and at follow-up (6 months after surgery). Performance-based outcomes were tested at baseline and postintervention. The outcome measures were the Brief Pain Inventory, Oswestry Disability Index, 5-Chair Stand Test, and 10-Meter Walk Test., Outcomes: Seven of the patients demonstrated a clinically significant reduction in pain, and all 8 of the patients had a clinically significant reduction in disability at 6-month follow-up. Improvement on the performance-based tests also was noted postintervention, with 5 patients demonstrating clinically meaningful change on the 10-Meter Walk Test., Discussion: The findings suggest that physical therapists can feasibly implement cognitive-behavioral skills over the telephone and may positively affect outcomes after spine surgery. However, a randomized clinical trial is needed to confirm the results of this case series and the efficacy of the CBPT intervention. Clinical implications include broadening the availability of well-accepted cognitive-behavioral strategies by expanding implementation to physical therapists and through a telephone delivery model.
- Published
- 2013
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34. Pesticide compatibility with natural enemies for pest management in greenhouse gerbera daisies.
- Author
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Abraham CM, Braman SK, Oetting RD, and Hinkle NC
- Subjects
- Animals, Asteraceae growth & development, Biological Control Agents, Species Specificity, Acari drug effects, Acaricides toxicity, Fungicides, Industrial toxicity, Hymenoptera drug effects, Insecticides toxicity
- Abstract
Pesticides commonly used in commercial greenhouse management were evaluated for compatibility with two biological control agents: a leafminer parasitoid (Diglyphus isaea [Walker]), and a predatory mite (Neoseiulus californicus [McGregor]). These natural enemies were exposed to miticides, fungicides, and insecticides targeting leafminers, thrips, and whiteflies, according to label directions in laboratory vial assays, after which mortality at 12, 24, and 48 h was recorded. Greater mortality of predatory mites than leafminer parasitoids was observed overall, illustrating that fewer pesticides were compatible with predatory mites compared with the parasitoid. However, some commonly used pesticides were found to cause high mortality to both the leafminer parasitoid and predatory mites. Twospotted spider mite (Tetranychus urticae Koch) infestations often disrupt leafminer (Liriomyza trifolii [Burgess]) biocontrol programs. Therefore, potentially compatible miticides (bifenazate, hexythiazox, spiromesifen, acequinocyl, etoxazole, and clofentezine) identified in laboratory trials were also evaluated in a greenhouse study and found to be compatible with leafminer biocontrol.
- Published
- 2013
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35. Tissue resistance to soft tissue emphysema during minimally invasive periodontal surgery.
- Author
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Harrel SK, Abraham CM, and Rivera-Hidalgo F
- Subjects
- Air, Alveolar Process physiopathology, Alveolar Process surgery, Animals, Carbon, Coloring Agents, Equipment Design, Gingiva physiopathology, Gingiva surgery, Intraoperative Complications prevention & control, Minimally Invasive Surgical Procedures, Needles, Optical Fibers, Oral Surgical Procedures adverse effects, Palate physiopathology, Palate surgery, Periodontal Ligament physiopathology, Periodontal Ligament surgery, Periodontium physiopathology, Pressure, Subcutaneous Emphysema etiology, Swine, Video-Assisted Surgery instrumentation, Periodontium surgery, Subcutaneous Emphysema prevention & control
- Abstract
Aim: The aim of this study was to determine the pressure where oral soft tissue resistance will be overcome resulting in soft tissue emphysema and to measure the safety of an antifouling device for a videoscope used during minimally invasive periodontal surgery., Materials and Methods: Resistance was measured in vitro in porcine tissue. One study arm measured palatal tissue resistance to air applied through a needle. Another arm measured resistance in a surgical access for minimally invasive periodontal surgery (MIS). India ink was placed on the tissue,pressure at 0,3,10,15,20, and 25 pounds/square inch (psi)applied, and penetration of India ink into the tissue was measured. Three trials in three sites were performed at each pressure in both arms of the study., Results: Pressure applied to palatal tissue through a needle showed no significant penetration of India ink until 15 psi (0.90 ± 0.24 mm, p = 0.008). Penetration considered clinically significant was noted at 20 and 25 psi (4 to 6 mm, p ≤ 0.0001). No significant penetration was noted in minimally invasive incisions., Conclusion: Within the test system, pressures of 15 psi or less seem unlikely to cause soft tissue emphysema. No evidence of tissue emphysema was noted with the video scope antifouling device., Clinical Significance: The use of pressures greater than 15 pounds per square inch should be avoided during surgical procedures. The antifouling device for a videoscope appears safe for use during minimally invasive periodontal surgery.
- Published
- 2012
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36. Cognitive-behavioral determinants of pain and disability two years after traumatic injury: A cross-sectional survey study.
- Author
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Archer KR, Abraham CM, Song Y, and Obremskey WT
- Subjects
- Adult, Catastrophization diagnosis, Catastrophization epidemiology, Cross-Sectional Studies, Female, Health Surveys, Humans, Male, Middle Aged, Movement, Multiple Trauma surgery, Outcome Assessment, Health Care, Pain diagnosis, Pain epidemiology, Pain Measurement, Risk Factors, Sex Factors, Socioeconomic Factors, Time Factors, Catastrophization psychology, Fear psychology, Multiple Trauma complications, Multiple Trauma psychology, Pain psychology
- Abstract
Background: Approximately, 2.5 million trauma survivors are hospitalized each year, with the majority experiencing prolonged and profound pain-related disability. The present study investigated the association between fear of movement and pain catastrophizing and pain and physical health 2 years after high-energy trauma., Methods: One hundred eight adult patients admitted to a Level I trauma intensive care unit, between July 2006 and July 2007, were contacted by phone 2 years after multiple trauma. Eighty-four (78%) participants completed measures of fear of movement, pain catastrophizing, pain intensity and interference with activity, and physical health. Patient and injury characteristics were abstracted from the medical record and a research database. Hierarchical multivariable linear regression analyses examined the unique contribution of fear of movement and pain catastrophizing to pain and physical health outcomes., Results: Fear of movement and catastrophizing explained a significant proportion of variance in pain intensity (29%), pain interference (34%), and physical health (19%), after controlling for age, sex, intensive care unit stay, and depression. Fear of movement and pain catastrophizing were independently associated with pain intensity and physical health, but only pain catastrophizing was associated with pain interference (p < 0.05)., Conclusions: Results suggest that fear of movement and catastrophizing are risk factors for poor long-term outcomes after traumatic injury. Prospective studies are warranted to test the fear-avoidance model and determine whether the model may be relevant for explaining the development of chronic pain and disability in trauma survivors. The identification of subgroups based on negative pain beliefs may have the potential to improve outcomes after traumatic injury.
- Published
- 2012
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37. The relationship between seroatopy and symptoms of either allergic rhinitis or asthma.
- Author
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Abraham CM, Ownby DR, Peterson EL, Wegienka G, Zoratti EM, Williams LK, Joseph CL, and Johnson CC
- Subjects
- Adult, Allergens immunology, Asthma blood, Asthma immunology, Cohort Studies, Cross-Sectional Studies, Female, Humans, Hypersensitivity, Immediate diagnosis, Middle Aged, Pregnancy, Prevalence, Rhinitis, Allergic, Seasonal blood, Rhinitis, Allergic, Seasonal immunology, Skin Tests, Asthma epidemiology, Hypersensitivity, Immediate epidemiology, Immunoglobulin E blood, Rhinitis, Allergic, Seasonal epidemiology
- Abstract
Background: Epidemiologic data on allergic rhinitis and asthma are frequently based on self-reported symptoms., Objective: This cross-sectional study examined the relationship between self-reported symptoms and histories of allergic rhinitis or asthma and a marker of allergic sensitization, allergen-specific IgE., Methods: We surveyed 702 pregnant women in Michigan. Blood samples were analyzed for specific IgE to 9 allergens: dust mites (Dermatophagoides farinae and Dermatophagoides pteronyssinus), cat, dog, cockroach, ragweed, timothy grass, egg, and Alternaria alternata. Seratopy was defined as a specific IgE greater than or equal to 0.35 kU/L to any allergen., Results: Seroatopy was found in 66.7% of those with hay fever symptoms, 68.3% with a physician's diagnosis of asthma, and 72.1% of those with both conditions. These results differed significantly from asymptomatic subjects, where 49.8% of patients without hay fever and 50.4% without asthma were seroatopic. Race and education did not modify the relationships. Symptoms related to specific exposures were modest predictors of positive specific IgE to related allergens (positive predictive values from 26.5% to 50.3%)., Conclusion: Self-reported symptoms of allergic rhinitis or asthma were significantly associated with allergic sensitization, but the odds ratios were of relatively low magnitude for this historical information to be considered evidence of current allergic sensitization. A 66% to 68% probability existed that those with symptoms of allergic rhinitis or asthma would have a positive specific IgE test., Clinical Implications: Self-reported histories of hay fever or asthma alone are only modest predictors of allergic sensitization. When knowledge of allergic sensitization is important, information beyond self-reported symptoms is necessary.
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- 2007
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38. Candidal colonization in the presence and absence of removable dental prostheses.
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Abraham CM, Haghighat N, Beach MM, and Al-Hashimi I
- Subjects
- Aged, Aged, 80 and over, Antifungal Agents, Candida growth & development, Colony Count, Microbial, Denture Cleansers, Denture, Partial, Removable adverse effects, Female, Humans, Male, Middle Aged, Retrospective Studies, Candida isolation & purification, Candidiasis, Oral etiology, Denture, Partial, Removable microbiology, Mouth Mucosa microbiology
- Published
- 2007
39. Ontogeny of the allergic inflammatory response.
- Author
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Abraham CM and Ownby DR
- Subjects
- Child, Child, Preschool, Environmental Exposure adverse effects, Female, Growth immunology, Humans, Hypersensitivity genetics, Infant, Infant, Newborn, Pregnancy, Allergens immunology, Fetus immunology, Hypersensitivity immunology, Maternal-Fetal Exchange immunology
- Abstract
The ability to produce allergic responses begins early in fetal life along with the development of other elements of the immune system. Among the most interesting questions related to the development of allergic disease are whether the fetus in utero commonly is exposed to sufficient allergen to induce IgE production and how much the mother's immune responses affect the developing fetal immune system. After birth, it seems that many factors, including the frequency and severity of infections and the timing and intensity of allergen and animal exposures, continue to influence immune development.
- Published
- 2005
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40. Evaluation of the levels of oral Candida in patients with Sjögren's syndrome.
- Author
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Abraham CM, al-Hashimi I, and Haghighat N
- Subjects
- Candida growth & development, Candidiasis, Oral diagnosis, Colony Count, Microbial, Evaluation Studies as Topic, Female, Humans, Male, Middle Aged, Saliva metabolism, Secretory Rate, Sjogren's Syndrome physiopathology, Candida isolation & purification, Mouth microbiology, Sjogren's Syndrome microbiology
- Abstract
Objective: The purpose of this study was to investigate the levels of oral Candida in patients with Sjögren's syndrome, Methods: The Candida count and salivary flow rate of patients with Sjögren's syndrome were compared with those of healthy control subjects. Candida cultures were obtained from oral rinses. The numbers of colony-forming units were determined through use of the Spiral System., Results: The mean Candida count of patients with Sjögren's syndrome was 1672 +/- 1455 colony-forming units per mL; the count of healthy control subjects was 0.00 colony-forming units per mL. The mean salivary flow rate of patients with Sjögren's syndrome was significantly lower than that of healthy control subjects (0.16 +/- 0.13 mL/min/gland vs 0.55 +/- 0.24 mL/min/gland, respectively; p = 0.0001). However, Spearman rank correlation analyses did not reveal a significant correlation between salivary flow rate and Candida count (in colony-forming units per mL) among patients with Sjögren's syndrome., Conclusions: Alteration in the oral microbial flora in patients with Sjögren's syndrome may be enhanced by the reduction in salivary output.
- Published
- 1998
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