Outcome of Mildly Symptomatic or Asymptomatic Obstructive Hypertrophic Cardiomyopathy

The purpose of this study was to characterize the prognosis of minimally symptomatic patients with obstructive hypertrophic cardiomyopathy (HCM).Recent data have suggested that obstruction may be present in the majority of HCM patients, irrespective of cardiac symptoms. The prognosis of minimally symptomatic obstructive HCM remains poorly defined.We examined 544 consecutive adult patients (age 59 +/- 16 years; 55% men) with obstructive HCM...