Between 1971 and 1980, 20 patients with fibrous endocarditis were treated by resection of ventricular endocardium and replacement of the atrioventricular valve. There were 13 male and seven female patients whose ages ranged between 12 and 58 years. Thirteen were white and the remaining seven were black Africans. Nine presented a right-sided form, five a left-sided one, and six presented involvement of both ventricles. The role of hypereosinophilia is discussed in the etiology of the disease. The operation was performed according to the techniques we had developed in our first operative case-excision of the atrioventricular valve. Complete resection of the endocardium, and valvular replacement. There were three operative deaths. Complete atrioventricular dissociation was observed in seven of our patients. particularly in those with right-sided endocarditis. At late follow-up, we have not observed any case of recurrence of the disease. On the basis of our experience and the results previously published in the literature, we believe that endocardiectomy is the best current treatment of this disease.
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