title: Hypertrophic subaortic stenosis. Operative methods utilized to relieve left ventricular outflow obstruction.
abstract: The methods currently used at the National Heart Institute in the operative treatment of patients with hypertrophic subaortic stenosis (IHSS) are described. Features of the operation that facilitate exposure of the septum and the criteria of an adequate myotomy are emphasized.
mesh_terms: D001020:Aortic Stenosis, Subvalvular / Q000601:surgery*; D002312:Cardiomyopathy, Hypertrophic / Q000601:surgery*; D002315:Cardiopulmonary Bypass; D004699:Endocardium / Q000601:surgery; D006346:Heart Septum / Q000601:surgery; D006352:Heart Ventricles / Q000601:surgery; D006801:Humans; D008396:Maryland; D008722:Methods; D009316:National Institutes of Health (U.S.); D014481:United States