[Clinical case of the month. Treatment of obstructive hypertrophic cardiomyopathy by percutaneous septal ablation].

Hypertrophic obstructive cardiomyopathy is a rare pathology characterized by the presence of an interventricular septal hypertrophy leading to an ejectional obstruction of the left ventricular outflow tract. Several therapeutic approaches have been proposed. Besides pharmacological and surgical (septal myomectomy or cardiac pacing) therapies, a more recent therapy is represented by a septal reduction obtained by percutaneous occlusion of the septal coronary branch supplying this myocardial segment. A clinical case leads to a review of the literature.