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A case series of eight amateur athletes: exercise-induced pre-/syncope during the Zurich Marathon 2023 by Greta Hametner; Doris Eis; Muriel Kruijver; Michael Stiefel; Jan Gerrit van der Stouwe; Melina Stüssi-Helbling; Anja Forrer; David Niederseer is a Medicine article available to read on EtoBox.

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## Abstract ## Background Marathon running poses unique cardiovascular challenges, sometimes leading to syncopal episodes. We present a case series of athletes who experienced pre-/syncope during the Zurich Marathon 2023, accompanied by elevated cardiac biomarkers. ## Case summary Eight athletes (2 females, 6 males) aged 21–35 years, with pre-/syncope and various additional diverse symptoms such as dizziness and palpitations during the (half-)marathon, were admitted to two emergency departments in Zurich, Switzerland. Clinical evaluations included electrocardiogram, echocardiography, telemetry, coronary computed tomography (CT) scans, and cardiac biomarker assessments. High-sensitive troponin T (hs-cTnT) was elevated in all cases at initial assessment and returned to normal at follow-up. All athletes who received CT scans had normal coronary and brain CT results. None of the eight athletes had underlying cardiovascular disease. Renal function normalized post-admission, and neurological symptoms resolved within hours. Creatinine levels indicated transient acute kidney injury. A common feature was inexperience in running, inadequate race preparation, particularly regarding fluid, ele

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Author

Greta Hametner; Doris Eis; Muriel Kruijver; Michael Stiefel; Jan Gerrit van der Stouwe; Melina Stüssi-Helbling; Anja Forrer; David Niederseer

Publisher

Oxford University Press

Published

2024

Language

EN

Field

Medicine (Health Sciences)