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Article Type

Original Study

Abstract

Objective Study the prevalence, clinical, and laboratory features of hepatitis D virus (HDV) infection in hepatitis B surface antigen positive chronic hemodialysis (HD) patients. Background Delta virus or HDV is a small RNA-containing virus requiring the concomitant presence of hepatitis B virus (HBV) for its survival and pathogenicity. Worldwide, 20 million of chronic HBV patients are thought to be infected with HDV. It is important to know that HDV infection is present in a HD patient with HBV infection, because it allows a more accurate determination of prognosis, and the response of HDV patients to antiviral therapy and needed dosage therapeutic regimens are different from those with chronic hepatitis B alone. Materials and methods The study included 50 chronic HBV-infected renal patients and 25 chronic HBV nonrenal patients collected from Shebin El-Kom Fever Hospital and Menoufiya University Hospital, Menoufiya, Egypt. The study was conducted from January 2013 to May 2014. Enzyme-linked immunosorbent an assay was used to detect hepatitis B surface antigen and HDV antibodies (total antibody). Results HDV antibody (total) was positive in 58% of the HBV renal patients and in 24% of the HBV nonrenal patients, with high significant statistical difference. Laboratory data showed significant statistical differences between the two groups regarding platelet concentration (higher in HBV renal patients), albumin and prothrombin (higher in HBV nonrenal patients), bilirubin levels, and renal functions (higher in HBV renal patients). Furthermore, the infection with hepatitis delta is more common in HBV renal patients in the HD group IA (72%) than HBV renal patients on conservative treatment group IB (44%), with significant statistical differences of laboratory data between the two groups regarding hemoglobin (higher in group IB) and platelet concentration (higher in group IA), albumin and prothrombin (higher in group IA), bilirubin levels (higher in group IB), and renal functions (higher in group IA). Conclusion It is concluded that HD may have a major role in widening the prevalence of delta infection among the studied HBV renal patients (72%).

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