Features of Alagille syndrome in 92 patients: frequency and relation to prognosis

K M Emerick, E B Rand, E Goldmuntz, I D Krantz, N B Spinner, D A Piccoli
Hepatology: Official Journal of the American Association for the Study of Liver Diseases 1999, 29 (3): 822-9
We have studied 92 patients with Alagille syndrome (AGS) to determine the frequency of clinical manifestations and to correlate the clinical findings with outcome. Liver biopsy specimens showed paucity of the interlobular ducts in 85% of patients. Cholestasis was seen in 96%, cardiac murmur in 97%, butterfly vertebrae in 51%, posterior embryotoxon in 78%, and characteristic facies in 96% of patients. Renal disease was present in 40% and intracranial bleeding or stroke occurred in 14% of patients. The presence of intracardiac congenital heart disease was the only clinical feature statistically associated with increased mortality (P <.001). Initial measures of hepatic function in infancy including absence of scintiscan excretion were not predictive of risk for transplantation or increased mortality. The hepatic histology of these AGS patients showed a significant increase in the prevalence of bile duct paucity (P =.002) and fibrosis (P <.001) with increasing age. Liver transplantation for hepatic decompensation was necessary in 21% (19 of 92) of patients with 79% survival 1-year posttransplantation. Current mortality is 17% (16 of 92). The factors that contributed significantly to mortality were complex congenital heart disease (15%), intracranial bleeding (25%), and hepatic disease or hepatic transplantation (25%). The 20-year predicted life expectancy is 75% for all patients, 80% for those not requiring liver transplantation, and 60% for those who required liver transplantation.

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