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Sports participation and myocarditis: Influence of sport types on disease severity
Robin Bouchau1, Eve Cariou1, Antoine Deney1
1Department of Cardiology, Rangueil University Hospital, Toulouse, France.
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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