Functional assessment of patients treated with permanent dual chamber pacing as a primary treatment for hypertrophic cardiomyopathy.

Patients with severe hypertrophic cardiomyopathy pase a difficult management problem. Between 1984 and 1986, 11 such patients have been treated by dual chamber pacing. (DDD). Subjectively all patients improved and objectively there was an increase in exercise tolerance during paced rhythm.