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Impact of hepatitis B and delta virus co-infection on liver disease in Mauritania: a cross sectional study.

Abstract :

OBJECTIVES: Mauritania is a highly endemic region for hepatitis B (HBV) and delta (HDV) viruses. No data are available on HDV's impact on the severity of liver disease in consecutive HBV-infected patients in Africa. This study evaluated the degree of liver fibrosis in a cohort of chronic HBV carriers.

METHODS: Three-hundred consecutive HBV-infected Mauritanian patients were checked for HDV infection via the detection of anti-HDV antibodies (Ab) and viral RNA. HBV- vs. HBV/HDV-infected patients were compared by physical examination, biological analyses, and the APRI (aspartate aminotransferase to platelet ratio index) and FibroMeter tests for determination of liver fibrosis.

RESULTS: More than 30% of the patients had anti-HDVAb. Among these, 62.2% were HDV-RNA positive. Co-infected patients were older (>8-years) than HBV-mono-infected patients. They had more liver tests abnormalities and clinical or ultrasound signs of liver fibrosis. APRI and FibroMeter scores were also significantly increased in these patients. In multivariate analysis, beyond HDVAb, male gender and HBV-VL >3.7 log IU/mL were the only markers linked to significant liver fibrosis.

CONCLUSIONS: In Mauritania, HDV co-infection worsens liver disease, both clinically and biologically, as confirmed by the APRI and FibroMeter tests. These tests may be useful for the management of delta hepatitis, which is a major health problem in Mauritania.

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https://hal.univ-angers.fr/hal-03329099
Contributeur : Okina Université d'Angers <>
Soumis le : lundi 30 août 2021 - 15:56:23
Dernière modification le : samedi 4 septembre 2021 - 03:20:06

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Françoise Lunel-Fabiani, Wael Mansour, Abdellahi Ould Amar, Mohamed Aye, Frédéric Le Gal, et al.. Impact of hepatitis B and delta virus co-infection on liver disease in Mauritania: a cross sectional study.. Journal of Infection, WB Saunders, 2013, 67, pp.448-57. ⟨10.1016/j.jinf.2013.06.008⟩. ⟨hal-03329099⟩

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