Modified septal myectomy and repair of mitral valve apparatus for the treatment of hypertrophic cardiomyopathy.

A modified technique is described of septal myectomy using a resectoscope and mitral valve repair to relieve left ventricular outflow tract obstruction and correct mitral regurgitation in a young patient with hypertrophic cardiomyopathy. This modification offers better control over the extent of septal tissue excision and may reduce the incidence of iatrogenic ventricular septal defect. Using this procedure it was possible to correct systolic anterior motion of the anterior mitral leaflet while obviating the need to replace the mitral valve.