[Redo surgical treatment of a patient with hypertrophic cardiomyopathy and recurrent left ventricular outflow tract obstruction].

Septal myectomy is the gold standard for patients with obstructive hypertrophic cardiomyopathy. Nevertheless, some patients develop postoperative recurrence of left ventricular outflow tract obstruction and clinical symptoms of heart failure. Such ones require redo surgery if optimal medical therapy is ineffective.