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  • Title: [Evaluation of the changes of HBV serum markers and HBV DNA and the effects of perioperative factors after liver transplantation].
    Author: Tang YM, Chen GH, He XS, Zhu XF, Chen MH.
    Journal: Zhonghua Gan Zang Bing Za Zhi; 2005 Mar; 13(3):164-7. PubMed ID: 15760545.
    Abstract:
    OBJECTIVE: To study the changes of HBV markers and HBV DNA and the perioperative factors influencing them after orthotopic liver transplantation (OLT). METHODS: A retrospective study was undertaken. Data was collected from 97 patients in the First Affiliated Hospital of Sun Yat-sen University from March 1999 to October 2003. Patients were investigated on the 7-14, 14-30, 30-90, 90-180, 180-360 and 360- days after OLT. All the patients who received OLT were serum HBV positive before their operations. RESULTS: Kinetic expressions of HBV serum marker and HBV DNA were established. A few patient's HBeAg was negative (8%) before their operation. Within 7 day following surgery, no patient was HBeAg positive. However, the rate of HBeAg positive increased on the 90-180 day following surgery. The postoperation time of taking lamivudine was different between patients with HBeAg seroconversion and of those without (U = 88.5). Peaks occurred within 14 d of HBsAg negative and 14-30 d of anti-HBs positive after operation. Then they decreased and minimized at 90-180 day after liver transplantation. Patients who suffered more bleeding during the operation were more likely to be anti-HBs positive (3800ml vs. 3000ml, U = 8193.0) and HBsAg negative in serum within 2 week (5200ml vs. 4200ml, U = 1648.5) after OLT. While patient's who received more blood transfusion (1000ml vs. 1600ml, U = 9796.0) during operation were not likely to be anti-HBs positive in serum after surgery. Furthermore, the time of infusing HBIg did not affect the state of anti-HBs (U = 1252.5). At the same time, there were no correlations between the change of HBsAg in serum and in the method of operation (chi2 = 0.042). During this process, presentation of anti-HBc changed a little. CONCLUSION: The advantages brought on by operative factors become blunt 7-14 d following OLT. More attention should be taken to avoid reinfection of HBV 90-180 day after OLT. Tyrosine-methionine-aspartic acid-aspartic acid (YMDD) mutation of HBV is more likely to occur when taking lamivudine longer. Then, HBV DNA should be monitored and a liver biopsy should be scheduled regularly after OLT.
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