Effects of preparticipating hypohydration on cardiac burden in recreational athletes
Kellnar A, Brunner S, Strüven A, Weis G, Lackermair K, Haum M
Physiology international · 0 citas
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Cómo se estudió
- Diseño
- Estudio de cohortes (indexado por PubMed)
- Estudiado en
- Personas
- Resultado principal
- Marcadores de salud y funcionamiento
Quién lo pagó
- Financiación
- Financiación no declarada
Publicación
- Publicado
- 2024-05-15 · Physiol Int · vol. 111 · número 2 · págs. 199–205
- Editorial
- Akadémiai Kiadó
- Citado
- 2 citas · más que el 61% de estudios similares · 0.5× el promedio de su campo
- Referencias
- 17 trabajos
- Acceso
- De pago
- Áreas de investigación
- Thermoregulation and physiological responses · Cardiovascular and exercise physiology · Sports Performance and Training
- Palabras clave
- Medicine, Cohort, Athletes, VO2 max, Prospective cohort study, Physical therapy, Internal medicine, Cardiology, Cardiorespiratory fitness, Heart rate, Blood pressure
- MeSH
- heart, humans, dehydration, exercise test, exercise, prospective studies, oxygen consumption, exercise tolerance, adult, female, male, young adult, athletes, biomarkers
6 autores
- Antonia Kellnar🇩🇪Ludwig-Maximilians-Universität München
- Stefan Brunner🇩🇪Ludwig-Maximilians-Universität München
- Anna Katharina Strüven🇩🇪Ludwig-Maximilians-Universität München
- Georges Weis🇩🇪Ludwig-Maximilians-Universität München
- Korbinian Lackermair🇩🇪Ludwig-Maximilians-Universität München
- Magda Haum🇩🇪Ludwig-Maximilians-Universität München
Resumen
El texto original del estudio, en el idioma en que se publicó.
The global temperature rise will have extensive consequences on our organ systems, but hypohydration caused by reduced water intake or increased water loss through sweating plays the most relevant role. Many studies have already demonstrated the association between hypohydration and impaired exercise performance, but data related to the cardiac burden of hypohydration are scarce. This study is a sub-investigation of our large, prospective, self-controlled trial on the effects of hypohydration on cardiopulmonary exercise capacity with previously published results. In the current sub-study, we analyzed the impact of hypohydration on cardiac burden in this cohort of fifty healthy, recreational athletes during cardiopulmonary exercise test.Therefore, each participant underwent cardiopulmonary exercise test with a standardized ramp protocol twice, once in hypohydrated state and once in euhydrated state as control, and the cardiac markers Troponin T, NT-pro-BNP and Chromogranin A were measured before and after the exercise test at each state. Mean age was 29.7 years and 34% of probands were female. Hypohydration led to a reduced body water, a significant decrease in oxygen uptake and lower levels of power output. Yet, Troponin T, NT-proBNP, Chromogranin A and lactate levels did not significantly differ between the two conditions.In this study cohort, decreased exercise capacity during hypohydration was more likely due to impaired cardiac output with diminished plasma volume rather than measurable cardiac stress from fluid deprivation. However, whether these data are generalizable to a diseased cohort is left unanswered and should be addressed in future randomized controlled trials.
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