Clinical and Echocardiographic Determinants of Long-Term Survival After Surgical Myectomy in Obstructive Hypertrophic Cardiomyopathy

Surgical myectomy has been the standard treatment for patients with drug-refractory obstructive hypertrophic cardiomyopathy. The clinical and echocardiographic predictors of long-term survival and freedom from cardiovascular morbidity after myectomy have been unclear.We studied a consecutive cohort of 338 adult patients (age at operation 47+/-14 [range 18 to 77] years, 60% male) who underwent myectomy at our institution. Preoperative resting...