Abstract
Current guidelines recommend precautionary disqualification from competitive sports in patients with hypertrophic cardiomyopathy (HCM). We assessed the incidence of cardiovascular events in a cohort of patients with HCM engaged in long-term exercise programmes and competitive sport. We reviewed data on 88 consecutive athletes diagnosed with HCM, from 1997 to 2017; 92% male, 98% Caucasian, median age 31 (IQR: 19-44) years. All participated in regular exercise programmes and competitive sport at study entry.We performed follow-up evaluation after 7±5 (1-21) years. 61 (69%) of the athletes had substantially reduced or stopped exercise and sport (ie, HCM-detrained), and 27 had continued with regular training and sport competitions (HCM-trained). At baseline evaluation, both groups were similar for age, gender balance, symptoms, ECG abnormalities, extent of left ventricular hypertrophy, arrhythmias and risk profile for sudden cardiac death/arrest. During the follow-up period, two participants suffered sudden cardiac arrest or death (0.3% per year) both outside of sport participation. In addition, 19 (22%) reported symptoms (syncope in 3, palpitations in 10, chest pain in 4 and dyspnoea in 2). The Kaplan-Meier analyses of freedom fro...Continue Reading
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