Patients who undergo Fontan surgery for congenital heart defect have liver fibrosis risk, study reveals Download PDF Copy Patients who undergo the Fontan operation as children for a complex congenital heart defect are at risk of developing progressive liver fibrosis, a buildup of fibrous deposits, as a result of the circulation created by the surgery,Continue reading “Patients who undergo Fontan surgery for congenital heart defect have liver fibrosis risk, study reveals”