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This study investigates the incidences and predictors of hepatitis B virus (HBV) relapse after tenofovir disoproxil fumarate (TDF) therapy in hepatitis B e antigen (HBeAg)-positive and -negative patients. We retrospectively recruited 143 chronic hepatitis B (CHB) patients without cirrhosis (39 HBeAg-positive and 104 HBeAg-negative patients) who were previously treated with TDF and had post-treatment follow-up for at least 6 months (median: 55, IQR 36-85 weeks). All the patients fulfilled the stopping criteria of APASL 2012. The virological and clinical relapse rates at 104 weeks in HBeAg-positive patients were 66.6% and 59.1%, while they were 72.3% and 55.9%, respectively, in HBeAg-negative patients. Cox regression analysis revealed that the higher end-of-treatment HBsAg levels were an independent factor of virological relapse in HBeAg-positive and HBeAg-negative patients. The end-of-treatment HBsAg levels of 200 (area under the receiver operating characteristic (AUROC): 0.624) and 80 IU/mL (AUROC: 0.959) were the optimal values for predicting HBV relapse in HBeAg-positive and HBeAg-negative patients, respectively. The virological relapse rate at 78 weeks was 14.3% and 19.6% in HBeAg-positive and HBeAg-negative patients who achieved HBsAg ≤200 IU/mL and HBsAg ≤80 IU/mL, respectively. Two patients experienced hepatic decompensation upon hepatitis flares, and no patient died after timely retreatment. Seven patients experienced off-therapy HBsAg loss. The cumulative rates of HBsAg loss at 104 weeks were 45.5% and 59.3% in patients with end-of-treatment HBsAg ≤80 IU/mL and ≤50 IU/mL, respectively. In conclusions, the end-of-treatment HBsAg levels were a useful marker for predicting HBV relapse in HBeAg-positive and HBeAg-negative CHB patients.

Delayed endoscopy for more than 15 h, high MELD score, failure of the first endoscopy and hematemesis are independent risk factors for in-hospital mortality in cirrhotic patients with acute variceal hemorrhage.

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