Overview of the Study Group

The Japanese Biliary Atresia Study Group has been active since its inaugural meeting in 1975, providing a forum for presenting research findings and sharing information across a broad range of topics, from basic science to clinical practice in biliary atresia. This group originated from a gathering convened by the late Professor Morio Kasai of Tohoku University, who proposed developing a classification system for biliary atresia. Over the years, the organization’s structure has been refined, and it has now convened more than fifty meetings to date.

The primary aim of this Study Group is to deepen our understanding of the pathophysiology of biliary atresia, enhance diagnostic and treatment strategies, and ultimately improve patient outcomes. Many of our members and affiliated institutions’ researchers and clinicians have come together to share their findings and experiences through lively discussion. Among our key initiatives is the “National Registry of Biliary Atresia,” launched in 1989 under the auspices of the Study Group. This registry conducts epidemiological studies, explores the etiology of biliary atresia, strives to enhance treatment outcomes, and carries out long-term follow-up and outcome assessments. Initially, the postoperative follow-up period lasted 20 years, but it has been gradually extended, and plans now include follow-up registration up to 40 years after surgery.

Looking ahead, the Japanese Biliary Atresia Study Group will continue to advance efforts to overcome biliary atresia. We remain committed to supporting the endeavors of our members and affiliates, ensuring that their achievements can be shared widely and contribute to further progress in the field.

Japanese Biliary Atresia Society
Secretary General
Motoshi Wada, , M.D., Ph.D
Professor of Pediatric Surgery, Department of Surgery
Tohoku University Graduate School of Medicine
Chief Division of Pediatric Surgery Tohoku University Hospital

Japanese Biliary Atresia Society
Address: 1-1 Seiryo-machi, Aoba-ku, Sendai, 980-8574 Japan
TEL: +81-22-717-7237
FAX: +81-22-717-7240