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Biliary atresia: the timing needs a changin'
Ehsan Chitsaz1, Richard A Schreiber, Jean-Paul Collet
1Division of Gastroenterology, BC Children's Hospital, Rm K4-200, 4480 Oak Street, Vancouver, BC V6H 3V4.
Insights
Biliary atresia (BA) is a severe pediatric liver disease. Early diagnosis and intervention, like the Kasai procedure, improve outcomes, but late referrals remain a challenge, necessitating improved screening strategies.
Area of Science:
- Pediatric Hepatology
- Gastroenterology
- Neonatal Surgery
Background:
- Biliary atresia (BA) is the primary cause of pediatric liver failure and the leading indication for liver transplantation in children.
- The Kasai procedure (KP) is the standard surgical intervention for BA, with patient age at the time of surgery being a critical prognostic factor.
- Delayed diagnosis and late referral for KP in Canada and globally contribute to suboptimal surgical outcomes and reduced native liver survival.
Purpose of the Study:
- To evaluate the impact of delayed diagnosis and late referral on outcomes for infants with biliary atresia.
- To consider the adoption of novel screening programs for early identification of BA in Canadian infants.
- To improve the timing of referral and treatment for Canadian infants diagnosed with BA.
Main Methods:
- Review of current literature on biliary atresia diagnosis and treatment outcomes.
- Analysis of prognostic factors, particularly age at Kasai procedure.
- Evaluation of recently implemented early identification programs for BA in other countries.
Main Results:
- Infant age at Kasai procedure is the most significant predictor of surgical success and long-term native liver survival.
- Late referral and diagnosis are persistent issues, leading to older surgical ages and poorer outcomes.
- Novel screening programs have demonstrated improved outcomes by enabling earlier BA identification and intervention.
Conclusions:
- There is a critical need to address late referral and diagnosis of BA in Canada.
- Implementing and studying early identification programs could significantly improve outcomes for Canadian infants with BA.
- Optimizing the timing of the Kasai procedure through early detection is paramount for improving survival with native liver.
Abstract:
Biliary atresia (BA), a uniquely pediatric liver disease, is the leading cause of liver-related death in children and the most frequent indication for liver transplantation in the pediatric population. Early intervention with a Kasai procedure (KP) is the current standard of care for this condition. The single most important and well-established prognostic factor for the KP outcome is the patient's age at the time of the KP. The older the infant, the less successful the operation and the less favourable is the post-KP survival with native liver. There remains in Canada, and throughout the world, a problem of late referral, delayed diagnosis and older age at surgery. Early disease detection and intervention has been hampered by the lack of an effective screening strategy for BA. Recently, however, novel programs for the early identification of BA in the first month of life, but after two weeks of age, have been successfully implemented and evaluated in some countries, with significantly improved outcomes for affected infants. Whether any of these programs should be adopted to improve the timing of referral and treatment for Canadian infants affected with this devastating liver disease deserves consideration and study.
