Details.
A minimally invasive treatment for a select group of patients with hypertrophic obstructive cardiomyopathy and refractory or persistent symptoms. The procedure involves slow injection of 98 percent alcohol through a catheter into a carefully selected artery supplying the overgrown heart muscle. Patients are monitored in the ICU for two days with a temporary pacemaker, followed by activity restrictions for two to four weeks and follow-up echocardiograms in three to six months.