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522 results on '"Schwarte, Lothar A"'

1. Adapting to Adulthood: A Review of Transition Strategies for Osteogenesis Imperfecta

Author

Celli, Luca, Garrelfs, Mark R., Sakkers, Ralph J. B., Elting, Mariet W., Celli, Mauro, Bökenkamp, Arend, Smits, Cas, Goderie, Thadé, Smit, Jan Maerten, Schwarte, Lothar A., Schober, Patrick R., Lubbers, Wouter D., Visser, Marieke C., Kievit, Arthur J., van Royen, Barend J., Gilijamse, Marjolijn, Schreuder, Willem H., Rustemeyer, Thomas, Pramana, Angela, Hendrickx, Jan-Jaap, Dahele, Max R., Saeed, Peerooz, Moll, Annette C., Curro–Tafili, Katie R., Ghyczy, Ebba A. E., Dickhoff, Chris, de Leeuw, Robert A., Bonjer, Jaap H., Nieuwenhuijzen, Jakko A., Konings, Thelma C., Engelsman, Anton F., Eeckhout, Augustinus M., van den Aardweg, Joost G., Thoral, Patrick J., Noske, David P., Dubois, Leander, Teunissen, Berend P., Semler, Oliver, Wekre, Lena Lande, Maasalu, Katre, Märtson, Aare, Sangiorgi, Luca, Versacci, Paolo, Riminucci, Mara, Grammatico, Paola, Zambrano, Anna, Martini, Lorena, Castori, Marco, Botman, Esmee, Westerheim, Ingunn, Zhytnik, Lidiia, Micha, Dimitra, and Eekhoff, Elisabeth Marelise W.

Published
2024
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5. Etomidate versus Ketamine as Prehospital Induction Agent in Patients with Suspected Severe Traumatic Brain Injury

Author

Mansvelder, Floor J., Bossers, Sebastiaan M., Loer, Stephan A., Bloemers, Frank W., Van Lieshout, Esther M. M., Den Hartog, Dennis, Hoogerwerf, Nico, van der Naalt, Joukje, Absalom, Anthony R., Peerdeman, Saskia M., Bulte, Carolien S. E., Schwarte, Lothar A., Schober, Patrick, de Boer, Anne, Goslings, Johannes C., van Helden, Sven H., Hesselink, Danique, van Aken, Gijs, Beishuizen, Albertus, Egberink, Rolf E., ter Bogt, Nancy, de Jongh, Mariska A.C., Lansink, Koen, Roks, Gerwin, Joosse, Pieter, Ponsen, Kees J., van Spengler, Lukas L., Aspers, Stasja, Houmes, Robert J., van Ditshuizen, Jan, van Voorden, Tea, Edwards, Michael J.R., Dercksen, Bert, Spanjersberg, Rob, Venema, Lieneke, Weelink, Ellen, Reininga, Inge H.F., Innemee, Gerard, de Visser, Matthijs, de Leeuw, Marcel A., and Kooij, Fabian O.

Published
2024
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7. Smartwatch based automatic detection of out-of-hospital cardiac arrest: Study rationale and protocol of the HEART-SAFE project

Author

Schober, Patrick, van den Beuken, Wisse M.F., Nideröst, Beat, Kooy, Tom A., Thijssen, Steve, Bulte, Carolien S.E., Huisman, Bregje A.A., Tuinman, Pieter R., Nap, Alexander, Tan, Hanno L., Loer, Stephan A., Franschman, Gaby, Lettinga, Roelof G., Demirtas, Derya, Eberl, Susanne, van Schuppen, Hans, and Schwarte, Lothar A.

Published
2022
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9. Editorial for Recent Developments in Emergency Trauma Management.

Author

Schober, Patrick, Giannakopoulos, Georgios F., and Schwarte, Lothar A.

Subjects
PELVIC fractures, OLDER patients, OLDER people, CHILD patients, BRAIN injuries
Abstract

The editorial in the Journal of Clinical Medicine discusses recent developments in emergency trauma management, emphasizing the global impact of trauma on morbidity, mortality, and economic resources. The editorial highlights the importance of diverse approaches to trauma care, including age-specific considerations for pediatric and elderly trauma patients. It also addresses advancements in pre-hospital trauma management, such as blood transfusion programs, and reviews non-invasive analgesia options and invasive resuscitation techniques for traumatic cardiac arrest. The editorial concludes by acknowledging the contributions of authors, reviewers, and publishers in advancing the field of emergency trauma management. [Extracted from the article]

Published
2024
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12. Performance of simplified methods for quantification of [18F]NaF uptake in fibrodysplasia ossificans progressiva.

Author

de Ruiter, Ruben Daniel, Botman, Esmée, Teunissen, Bernd P., Lammertsma, Adriaan Anthonius, Boellaard, Ronald, Raijmakers, Pieter G., Schwarte, Lothar A., Nieuwenhuijzen, Jakko A., Gonzalez Trotter, Dinko, Eekhoff, Elisabeth Marelise W., and Yaqub, Maqsood

Subjects
THERAPEUTIC use of monoclonal antibodies, FIBRODYSPLASIA ossificans progressiva, PEARSON correlation (Statistics), STATISTICAL correlation, DYNAMICS, STATISTICAL sampling, POSITRON emission tomography computed tomography, DESCRIPTIVE statistics, INTRACLASS correlation, RESEARCH, SODIUM compounds, DATA analysis software, CONFIDENCE intervals
Abstract

Background: Fibrodysplasia Ossificans Progressiva (FOP) is a rare, genetic disease in which heterotopic bone is formed in muscles, tendons and ligaments throughout the body. Disease progression is variable over time and between individuals. 18F-fluoride uptake in newly formed bone can be evaluated using [18F]NaF (i.e., sodiumfluoride) PET/CT, identifying active areas of bone formation in FOP. The purpose of this study was to assess the performance of various semi-quantitative methods with full kinetic analysis. Results: Seven patients (age range: 20-31 years) with FOP underwent dynamic [18F] NaF scans at baseline and after one year. [18F]NaF uptake was measured in aorta descendens, vertebrae, heterotopic bone lesions and metabolically active regions on PET, and quantified using nonlinear regression (NLR) analysis together with standardized uptake value (SUV) and target-to-blood ratio (TBR). SUV was on measured the 40-45 min frame of the dynamic sequence (SUV40-45) and on the subsequent static sweep (SUVStatic). Correlations between and SUV40-45 and NLR-derived Ki were comparable when normalized to body weight (r=0.81, 95% CI 0.64-0.90), lean body mass (r = 0.79, 95% CI 0.61-0.89) and body surface area (r = 0.84, 95% CI 0.70-0.92). Correlation between TBR40-45 and NLR-derived Ki (r=0.92, 95% CI 0.85-0.96) was higher than for SUV40-45. Correlation between TBR40-45 and NLR-derived Ki was similar at baseline and after one year (r=0.93 and 0.94). The change in TBR40-45 between baseline measurement and after one year correlated best with the change in NLR-derived Ki in the PET-active lesions (r=0.87). Conclusion: The present data supports the use of TBR for assessing fluoride uptake in PET-active lesions in FOP. Clinical trial registration: Sub-study of the Lumina-1 trial (clinicaltrials.gov, NCT03188666, registered 13-06-2017). [ABSTRACT FROM AUTHOR]

Published
2024
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13. [ 18 F]NaF PET/CT as a Marker for Fibrodysplasia Ossificans Progressiva: From Molecular Mechanisms to Clinical Applications in Bone Disorders.

Author

Zwama, Jolien, Rosenberg, Neeltje M., Verheij, Vincent A., Raijmakers, Pieter G. H. M., Yaqub, Maqsood, Botman, Esmée, de Ruiter, Ruben D., Garrelfs, Mark R., Bökenkamp, Arend, Micha, Dimitra, Schwarte, Lothar A., Teunissen, Bernd P., Lammertsma, Adriaan A., Boellaard, Ronald, and Eekhoff, Elisabeth M. W.

Subjects
FIBRODYSPLASIA ossificans progressiva, POSITRON emission tomography, COMPUTED tomography, HETEROTOPIC ossification, BONE diseases
Abstract

Fibrodysplasia ossificans progressiva (FOP) is a rare genetic bone disorder characterized by episodic flare-ups in connective tissue, which are frequently followed by the formation of heterotopic ossification. The absence of available plasma-soluble biomarkers for flare-ups or heterotopic bone formation poses severe challenges to the monitoring of disease activity to measure or predict disease progression. Recently, 18-fluor-sodium fluoride positron emission tomography/computed tomography ([18F]NaF PET/CT) was introduced as a potential marker for ossifying FOP activity. This review discusses the pharmacokinetics of [18F]NaF in relation to the pathophysiology of FOP, and its use as a marker of local bone metabolism in a variety of bone-related disorders. In addition, the review specifically addresses the applicability of [18F]NaF PET/CT imaging in FOP as a monitoring modality. [ABSTRACT FROM AUTHOR]

Published
2024
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14. Effect of Daytime versus Nighttime on Prehospital Care and Outcomes after Severe Traumatic Brain Injury

Author

Bulte, Carolien S. E., primary, Mansvelder, Floor J., additional, Loer, Stephan A., additional, Bloemers, Frank W., additional, Den Hartog, Dennis, additional, Van Lieshout, Esther M. M., additional, Hoogerwerf, Nico, additional, van der Naalt, Joukje, additional, Absalom, Anthony R., additional, Peerdeman, Saskia M., additional, Giannakopoulos, Georgios F., additional, Schwarte, Lothar A., additional, Schober, Patrick, additional, and Bossers, Sebastiaan M., additional

Published
2024
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15. Effect of Daytime versus Nighttime on Prehospital Care and Outcomes after Severe Traumatic Brain Injury

Author

van der Naalt, Joukje, Bulte, Carolien S.E., Mansvelder, Floor J., Loer, Stephan A., Bloemers, Frank W., Den Hartog, Dennis, Van Lieshout, Esther M.M., Hoogerwerf, Nico, Absalom, Anthony R., Peerdeman, Saskia M., Giannakopoulos, Georgios F., Schwarte, Lothar A., Schober, Patrick, Bossers, Sebastiaan M., van der Naalt, Joukje, Bulte, Carolien S.E., Mansvelder, Floor J., Loer, Stephan A., Bloemers, Frank W., Den Hartog, Dennis, Van Lieshout, Esther M.M., Hoogerwerf, Nico, Absalom, Anthony R., Peerdeman, Saskia M., Giannakopoulos, Georgios F., Schwarte, Lothar A., Schober, Patrick, and Bossers, Sebastiaan M.

Abstract

Background/Objectives: Severe traumatic brain injury (TBI) is a frequent cause of morbidity and mortality worldwide. In the Netherlands, suspected TBI is a criterion for the dispatch of the physician-staffed helicopter emergency medical services (HEMS) which are operational 24 h per day. It is unknown if patient outcome is influenced by the time of day during which the incident occurs. Therefore, we investigated the association between the time of day of the prehospital treatment of severe TBI and 30-day mortality. Methods: A retrospective analysis of prospectively collected data from the BRAIN-PROTECT study was performed. Patients with severe TBI treated by one of the four Dutch helicopter emergency medical services were included and followed up to one year. The association between prehospital treatment during day- versus nighttime, according to the universal daylight period, and 30-day mortality was analyzed with multivariable logistic regression. A planned subgroup analysis was performed in patients with TBI with or without any other injury. Results: A total of 1794 patients were included in the analysis, of which 1142 (63.7%) were categorized as daytime and 652 (36.3%) as nighttime. Univariable analysis showed a lower 30-day mortality in patients with severe TBI treated during nighttime (OR 0.74, 95% CI 0.60–0.91, p = 0.004); this association was no longer present in the multivariable model (OR 0.82, 95% CI 0.59–1.16, p = 0.262). In a subgroup analysis, no association was found between mortality rates and the time of prehospital treatment in patients with combined injuries (TBI and any other injury). Patients with isolated TBI had a lower mortality rate when treated during nighttime than when treated during daytime (OR 0.51, 95% CI 0.34–0.76, p = 0.001). Within the whole cohort, daytime versus nighttime treatments were not associated with differences in functional outcome defined by the Glasgow Outcome Scale. Conclusions: In the overall study population, no d

Published
2024

26. Parametric methods for [18F]flortaucipir PET

Author

Golla, Sandeep SV, Wolters, Emma E, Timmers, Tessa, Ossenkoppele, Rik, van der Weijden, Chris WJ, Scheltens, Philip, Schwarte, Lothar, Mintun, Mark A, Devous Sr, Michael D, Schuit, Robert C, Windhorst, Albert D, Lammertsma, Adriaan A, Yaqub, Maqsood, van Berckel, Bart NM, and Boellaard, Ronald

Published
2020
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27. Cognitive performance in multiple sclerosis: what is the role of the GABAergic system?

Author

Huiskamp, Marijn, primary, Yaqub, Maqsood, additional, van Lingen, Marike R, additional, Pouwels, Petra J W, additional, de Ruiter, Lodewijk R J, additional, Killestein, Joep, additional, Schwarte, Lothar A, additional, Golla, Sandeep S V, additional, van Berckel, Bart N M, additional, Boellaard, Ronald, additional, Geurts, Jeroen J G, additional, and Hulst, Hanneke E, additional

Published
2023
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35. Quantification of Tau Load Using [18F]AV1451 PET

Author

Golla, Sandeep S. V., Timmers, Tessa, Ossenkoppele, Rik, Groot, Colin, Verfaillie, Sander, Scheltens, Philip, van der Flier, Wiesje M., Schwarte, Lothar, Mintun, Mark A., Devous, Michael, Schuit, Robert C., Windhorst, Albert D., Lammertsma, Adriaan A., Boellaard, Ronald, van Berckel, Bart N. M., and Yaqub, Maqsood

Published
2017
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38. Clonidine Elicits A Long-Term Depression in Mucosal Red Cell Flux

Author

Fournell, Artur, Picker, Olaf, Schwartges, Ingo, Scheeren, Thomas W.L., Schwarte, Lothar A., Back, Nathan, editor, Cohen, Irun R., editor, Lajtha, Abel, editor, Lambris, John D., editor, Paoletti, Rodolfo, editor, Maguire, David J., editor, Bruley, Duane F., editor, and Harrison, David K., editor

Published
2008
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40. Prehospital Intubation of Patients with Severe Traumatic Brain Injury: A Dutch Nationwide Trauma Registry Analysis.

Author

Bossers, Sebastiaan M., Verheul, Robert, van Zwet, Erik W., Bloemers, Frank W., Giannakopoulos, Georgios F., Loer, Stephan A., Schwarte, Lothar A., and Schober, Patrick

Subjects
BRAIN injury treatment, REPORTING of diseases, HOSPITAL emergency services, INTUBATION, MULTIPLE regression analysis, HEALTH outcome assessment, ACQUISITION of data, RETROSPECTIVE studies, MEDICAL records, DESCRIPTIVE statistics, BRAIN injuries, EMERGENCY medicine
Abstract

Patients with severe traumatic brain injury (TBI) are commonly intubated during prehospital treatment despite a lack of evidence that this is beneficial. Accumulating evidence even suggests that prehospital intubation may be hazardous, in particular when performed by inexperienced EMS clinicians. To expand the limited knowledge base, we studied the relationship between prehospital intubation and hospital mortality in patients with severe TBI in a large Dutch trauma database. We specifically hypothesized that the relationship differs depending on whether a physician-based emergency medical service (EMS) was involved in the treatment, as opposed to intubation by paramedics. A retrospective analysis was performed using the Dutch Nationwide Trauma Registry that includes all trauma patients in the Netherlands who are admitted to any hospital with an emergency department. All patients treated for severe TBI (Head Abbreviated Injury Scale score ≥4) between January 2015 and December 2019 were selected. Multivariable logistic regression was used to assess the relationship between prehospital intubation and mortality while adjusting for potential confounders. An interaction term between prehospital intubation and the involvement of physician-based EMS was added to the model. Complete case analysis as well as multiple imputation were performed. 8946 patients (62% male, median age 63 years) were analyzed. The hospital mortality was 26.4%. Overall, a relationship between prehospital intubation and higher mortality was observed (complete case: OR 1.86, 95% CI 1.35–2.57, p < 0.001; multiple imputation: OR 1.92, 95% CI 1.56–2.36, p < 0.001). Adding the interaction revealed that the relationship of prehospital intubation may depend on whether physician-based EMS is involved in the treatment (complete case: p = 0.044; multiple imputation: p = 0.062). Physician-based EMS involvement attenuated but did not completely remove the detrimental association between prehospital intubation and mortality. The data do not support the common practice of prehospital intubation. The effect of prehospital intubation on mortality might depend on EMS clinician experience, and it seems prudent to involve prehospital personnel well proficient in prehospital intubation whenever intubation is potentially required. The decision to perform prehospital intubation should not merely be based on the largely unsupported dogma that it is generally needed in severe TBI, but should rather individually weigh potential benefits and harms. [ABSTRACT FROM AUTHOR]

Published
2023
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43. Exceptional survival of an airplane stowaway, treated successfully with hyperbaric oxygen

Author

Schwarte, Lothar A., van der Werf, Huub J., Ridderikhof, Milan L., Fräβdorf, Jan, van Embden, Daphne, Weenink, Robert P., Anesthesiology, ACS - Microcirculation, APH - Quality of Care, Emergency Department, 02 Surgical specialisms, AMS - Musculoskeletal Health, Surgery, Amsterdam Neuroscience, ACS - Heart failure & arrhythmias, and ACS - Diabetes & metabolism

Subjects
Decompression, Hyperbaric oxygen, Altitude, Emergency Medicine, Stowaway, General Medicine, Hypoxia
Abstract

Survival of airplane stowaways is rare. Here we report an exceptional case of successful treatment and full recovery. After a transcontinental flight an unconscious stowaway was discovered in a wheel well of a Boeing 747-400F. Airport paramedics confirmed regular respiration and achieved 100% oxygen saturation (pulse oximetry) by high-flow oxygen. Rectal body temperature was 35.5 °C. On arrival at the emergency department, the patient's vital signs were stable. He did not respond to verbal stimuli. He localized to painful stimuli with both arms, however, there was no reaction to stimuli to both legs. We suspected his neurological deficits were caused by posthypoxic encephalopathy or altitude decompression sickness (DCS), the latter amenable to hyperbaric oxygen therapy (HBOT). HBOT was performed for 5 h (US Navy Treatment Table 6) and afterwards, full neurological recovery was documented. About 24 h after admission a new proximal paresis of the left leg was noted. Assuming recurrence of DCS, daily HBOT was scheduled for three days, after which motor function had again returned to normal. Stowaways travelling in airplane wheel wells experience extreme environmental circumstances. The presented patient survived an eight-hour exposure to calculated barometric pressures as low as 190 mmHg and ambient PO2 of 40 mmHg. Apart from creating awareness of this rare patient category, we want to stress the risk of altitude DCS in unpressurized flights. When DCS is suspected, immediate high-flow oxygen therapy should be initiated, followed by HBOT at the earliest opportunity.

Published
2022
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