Analysis of Bilirubin Fraction in the Bile for Early Diagnosis of Acute Rejection in Living Related Liver Transplantation

Yorihiro Akamatsu, Nobuhiro Ohkohchi, Kazuhiko Seya, Susumu Satomi

研究成果: Article

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The diagnosis of acute rejection in liver transplantation usually needs hepatic biopsy, but hepatic biopsy sometimes involves severe complications. We analyzed biliary bilirubin fraction after living related liver transplantation by using high performance liquid chromatography (HPLC) and investigated availability for the early diagnosis of acute rejection retrospectively. Nine children with liver cirrhosis due to biliary atresia were inculuded in this study, who underwent living related liver transplantation at The Second Department of Surgery, Tohoku Uninversity School of Medicine. Bile was collected daily from a biliary canulae inserted into the hepatic duct of the graft under aseptic and without exposure to the light. We measured the proportion of bilirubin diglucuronide (BDG), bilirubin monoglucuronide (BMG) and unconjugated bilirubin (UCB) of bile pigments in the bile by HPLC. In three of four patients with acute rejection, BDG+BMG (=Bc) was above 85% and BDG/Bc ratio was below 0.6 at the time of hepatic biopsy. After rejection therapy, BDG/Bc ratio increased in their bile. The remaining one case with acute rejection as well as bile duct injury due to arterial thrombosis of S2, Bc was below 85%, and BDG/Bc ratio was below 0.6. In four of the other five patients who had several severe complications, i.e., arterial or portal vein thrombosis, bile stasis due to cholangitis and sepsis due to necrotizing myofascitis, Bc was below 85% and BDG/Bc ratio was below 0.6. We concluded that analysis of biliary bilirubin fraction after liver transplantation could be reliable as a noninvasive maker and valuable for the early diagnosis of acute rejection.

元の言語English
ページ(範囲)145-154
ページ数10
ジャーナルTohoku Journal of Experimental Medicine
181
発行部数1
DOI
出版物ステータスPublished - 1997 1 1

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)

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