Key result
Practicing sport over 6 hours a week or a Mitchell's Class IIIA sport was associated with a higher rate of complicated acute myocarditis.
Why the study?
The association between the category of sport practiced and the severity of acute myocarditis in sportspeople was unknown.
Does the category and intensity of sport practiced affect the severity of acute myocarditis in sportspeople?
Observational (n=82)
No
Does the category and intensity of sport practiced affect the severity of acute myocarditis in sportspeople?
In sportspeople with acute myocarditis, high-intensity practice (>6 h/week) and high dynamic/high static sports (Mitchell's Class IIIA) are associated with a more severe disease course.
Answers are grounded in this paper and cite their sources.
Weightlifting was associated with complicated AM; leaves open whether sport type influences severity or warrants practice changes.
OBJECTIVE: To study, in the context of acute myocarditis (AM) in sportsmen, the association between the category of sport practiced and the severity of AM. DESIGN: Retrospective study. SETTING: Single tertiary center. PATIENTS: 82 sportspeople (≥2.5 h of sport per week) who presented an AM. ASSESSMENT OF RISK FACTORS: The type of sport activity before AM were collected. MAIN OUTCOME MEASURES: Complicated AM was defined by a left ventricular ejection fraction <50% or the use of inotropic drugs or ventricular assist device. RESULTS: Mean age was 29 ± 9 year-old, 77 (94%) were men. Sixteen (20%) had a complicated AM. Practicing sport over 6 h a week or a Mitchell's Class IIIA sport were associated with complicated AM (44 vs. 17%, p = 0.019 and 38 vs. 11%, p = 0.008, respectively). Practicing a Mitchell's Class IC sport was associated with uncomplicated AM (6 vs. 38%, p = 0.008). CONCLUSION: In sportspeople's AM, the pattern of sport activity (static or dynamic component, practice intensity) is associated with the disease's severity.
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Bouchau et al. (2021) conducted an observational in Acute myocarditis (n=82). High-intensity or specific category sport practice (>6 h/week or Mitchell's Class IIIA) vs. Lower intensity or other sport categories was evaluated on Complicated acute myocarditis (LVEF <50% or use of inotropic drugs or ventricular assist device) (p=0.019). Practicing sport over 6 hours a week or a Mitchell's Class IIIA sport was associated with a higher rate of complicated acute myocarditis.
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