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Background   Little is known about the prognostic factors of acute liver enzyme variations in HIV-hepatitis B virus (HBV)-coinfected patients.Objectives   To identify prognostic factors of acute liver enzyme abnormalities in HIV-HBV-coinfected patients with a focus on the putative role of antiretroviral drugs.Design   Data from a 3-year, prospective, multicentre cohort study involving HIV-HBV patients were used.Methods   A Markov model was used to identify prognostic factors of acute episodes of cytolysis and cholestasis in 300 HIV-HBV-coinfected patients. The effect of antiretroviral therapy was analysed according to the classes of drugs, duration of treatment and treatment modifications.Results   The incidence rates of acute episodes of cytolysis and cholestasis were 13.4 per 100 patient-years (95% confidence interval [CI] 9.5–17.3) and 7.1 per 100 patient-years (95% CI 4.2–10.0), respectively (median follow up 34.1 months). Independent risk factors for cytolysis were a high level of HBV or HIV replication, as well as a low of CD4 +  T-cell count. No antiretroviral drug was associated with cytolysis, whereas protease inhibitors seemed to be independently associated with cholestasis, along with treatment modifications and the duration of HIV infection.Conclusion   Acute and reversible episodes of cytolysis or cholestasis were common and associated with virus- and host-related determinants. The choice of the optimal antiretroviral combination in HIV-HBV-coinfected patients must take into account the necessity of exerting an efficient control of HIV and HBV replication (associated with transient cytolysis) and the risk of inducing cholestasis (associated with the use of protease inhibitors and treatment modifications).

Risk Factors for Acute Liver Enzyme Abnormalities in HIV-Hepatitis B Virus-Coinfected Patients on Antiretroviral Therapy