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Revista chilena de pediatría

versión impresa ISSN 0370-4106

Resumen

SAEZ, Josefina et al. Follow up for a cohort of patients with biliary atresia: late surgery and development of biliary cysts. Rev. chil. pediatr. [online]. 2017, vol.88, n.5, pp.629-634. ISSN 0370-4106.  http://dx.doi.org/10.4067/S0370-41062017000500009.

Since the introduction of Kasai’s hepatic portoenterostomy, the prognosis of patients with biliary atresia has improved. The presence of intrahepatic biliary cysts or bile lakes has been reported in some patients after the intervention. Bile lakes have been related to cholangitis and a poor outcome. Objective: To describe the clinical features and prognosis of patients with biliary atresia after Kasai portoenterostomy, with special emphasis in those who developed biliary cysts. Patients and Method: Data from a retrospective cohort of 13 patients with biliary atresia with a Kasai portoenterostomy from 2008 to 2016 was analyzed. Demographic variables associated to Kasai portoenterostomy, hepatic transplant, biliary cysts and colangitis episodes were tabulated. Kaplan Meir and Log Rank test were used to evaluate colangitis-free and native liver survival. Results: The mean age at Kasai was 85 months (SD 40.3, 42-193 months), six patients (46%) had a Kasai operation after 90 days of life. Four patients (31%) developed multiple biliary cysts; all of them had at least one episode of cholangitis. Cholangitis-free survival was significantly lower for those who developed bile lakes. Nine patients (69%) underwent liver transplant, 3 of them because of recurrent cholangitis. There were no differences in global survival or native liver survival between patients with or without biliary cysts. Conclusions: The incidence of biliary cysts after Kasai portoenterostomy in this series is similar to the reported. The results are consistent with the relationship proposed between the development of biliary cysts and cholangitis. Our patients, some already derived for evaluation and liver transplantation, underwent Kasai operation at an advanced age, which determines a poor prognosis.

Palabras clave : Biliary atresia; hepatic porto­enterostomy; biliary cysts; cholangitis.

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