Survival After Myectomy for Obstructive Hypertrophic Cardiomyopathy: What Causes Late Mortality?

BackgroundSurvival of patients with obstructive hypertrophic cardiomyopathy who undergo septal myectomy appears to be excellent and, in some series, is similar to that of matched populations. In this study, we investigated causes of late death in a large cohort of surgical patients.MethodsBetween January 1961 and October 2017, 2,956 patients underwent surgery for hypertrophic cardiomyopathy. We reviewed medical records of these patients. Vital...