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KMID : 0870420070110010042
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Korean Journal of Hepato-Biliary-Pancreatic Surgery
2007 Volume.11 No. 1 p.42 ~ p.47
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Isolated Unconjugated Hyperbilirubinemia after Liver Transplantation
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Choi Young-Rok
Suh Kyung-Suk
Lee Kuhn-Uk
Yi Nam-Joon
Shin Woo-Young
Lee Hae-Won
Cho Eung-Ho
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Abstract
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Purpose: In our experience, post-LT persistent isolated unconjugated hyperbilirubinemia (IUH) has been frequently observed even after liver transplantation (LT) from normal donors. The present study was performed to evaluate the incidence and clinical significance of post-LT IUH.
Methods: Eighty-five patients were enrolled, and they had undergone adult-to-adult living donor LT between Jan 1999 and Jun 2003 and they had been followed-up for more than 2 years. Persistent post-LT IUH was defined as the case that showed repeated IUH 3 times or more per year. We excluded those cases that had other liver function abnormality, biliary complication, active infection or hemolysis. The donor’s condition and the long-term prognosis of the post-LT IUH patients were investigated.
Results: Sixteen patients (18.8%) showed post-LT IUH. Seven of them underwent LT from donors who had IUH preoperatively. Nine (10.6%) of them, however, underwent LT from normal donors, that is, there was newly developed IUH postoperatively. There was no clinical factor associated with post-LT IUH for those nine patients, yet they developed no graft failure and major complications. A gradual increasing tendency of the bilirubin level during follow-up duration was observed for 3 of these 9 patients.
Conclusion: Although about 10% patients developed post-LT IUH from normal donors, they all showed a good prognosis. Therefore, post-LT IUH was likely to be benign. However, close observation may be required because a gradual increasing tendency of bilirubin level was observed in some patients.
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KEYWORD
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Unconjugated hyperbilirubinemia, Liver transplantation, Gilbert syndrome
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