Heart transplantation for adults with congenital heart disease: analysis of the United network for organ sharing database.
BACKGROUND: Congenital heart disease (CHD) in the adult is an uncommon indication for heart transplantation but has been increasing. We assessed survival and predictors of death after heart transplantation for adults with CHD. METHODS: Adult primary heart transplant recipients (aged > 17 years) reported to the United Network for Organ Sharing (1987 to 2006) were reviewed and categorized by diagnosis of CHD vs other diagnoses. Kaplan-Meier survival analysis and Cox regression modeling were performed. RESULTS: During the study period, 35,334 adults underwent primary heart transplantation, and 689 (2%) had CHD. Adult CHD recipients had longer mean waiting list time (218 vs 195 days; p = 0.004), longer ischemic time (3.5 vs 2.9 hours, p < 0.0001), and were more likely to have pretransplant pulmonary vascular resistance exceeding 4 Woods Units (62% vs 51%, p < 0.0001) vs other recipients. Thirty-day mortality was 16% vs 6% (p < 0.0001), although Kaplan-Meier survival did not differ between groups (p = 0.92) out to 10 years. Ischemic time (hazard ratio [HR], 1.2; 95% confidence interval [CI], 1.02 to 1.35; p = 0.02), African American race (HR, 1.9; 95% CI, 1.04 to 3.58; p = 0.03), and pulmonary vascular resistance exceeding 4 Woods Units (HR, 1.5; 95% CI, 1.01 to 2.19; p = 0.04) were predictors of death for adult CHD recipients. CONCLUSIONS: Heart transplantation for adults with CHD is effective and has good long-term prognosis. The 30-day mortality rate is high, but 5- and 10-year survival is not statistically different from patients without CHD.
Patel, ND; Weiss, ES; Allen, JG; Russell, SD; Shah, AS; Vricella, LA; Conte, JV
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