Factors associated with viral breakthrough in lamivudine monoprophylaxis of hepatitis B virus recurrence after liver transplantation
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摘要This study aimed to investigate the factors associated with viral breakthrough among liver transplant recipients who receive lamivudine monoprophylaxis. Consecutive patients receiving liver transplantation for HBV-related liver disease from June 1999 to October 2000 were studied. All patients received lamivudine 100 mg daily pre- and post-transplant. Serum samples were collected before lamivudine treatment, before liver transplantation, and then every 36 months after liver transplantation. Lamivudine-resistant mutations at the YMDD motif of HBV P gene were detected by direct sequencing and HBV DNA was quantified by real-time polymerase chain reaction (PCR). Ten patients, 7 males and 3 females, aged 50.5 +/- 7.9 years, were studied. Three patients had fulminant hepatitis and 7 patients had end-stage cirrhosis before liver transplantation. Lamivudine was started at 4.5 (range 0-40) weeks before liver transplantation. The median post-transplant follow-up was 16 (range 12-23) months. Four patients developed YMDD mutations 10.5 (0-16) months after transplantation with relapse of viraemia (median 1,294, range 51-3,135 MEq/ml). All patients who developed YMDD mutants had end-stage liver cirrhosis, and HBV DNA were detectable on the day of liver transplantation (median 0.62, range 0.086-1.63 MEq/ml). On the contrary, all 3 patients transplanted for fulminant hepatitis did not have YMDD mutation. Among the 3 end-stage cirrhotic patients who had negative HBV DNA before liver transplantation, none developed YMDD mutation. In conclusion, patients transplanted for fulminant hepatitis B and cirrhotic patients in whom HBV DNA could be rendered PCR negative before liver transplantation are unlikely to develop YMDD mutation on lamivudine monoprophylaxis. (C) 2002 Wiley-Liss, Inc.
著者Chan HLY, Chui AKK, Lau WY, Chan FKL, Wong ML, Tse CH, Rao ARN, Wong J, Sung JJY
期刊名稱Journal of Medical Virology
出版年份2002
月份10
日期1
卷號68
期次2
出版社WILEY-LISS
頁次182 - 187
國際標準期刊號0146-6615
電子國際標準期刊號1096-9071
語言英式英語
關鍵詞liver transplantation; polymerase chain reaction; YMDD mutant
Web of Science 學科類別Virology; VIROLOGY

上次更新時間 2021-19-01 於 01:51