Hepatitis B virus (HBV) markers among patients with chronic liver disease in Kuwait

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Abstract
The prevalence of hepatitis B surface antigen (HBsAg), antibody to the hepatitis B core (anti-HBc) and to surface antigen (anti-HBs), was investigated, using sensitive radioimmunoassay (RIA) systems, among patients with different clinical entities of chronic liver disease in Kuwait, and compared to a control blood donor population. 81% of patients and 44% of the controls had at lease one HBV marker. 24% of patients, but non of the controls had both HBsAg and a high titre of anti-HBc in the absence of anti-HBs, suggesting a chronic infection. 31% of our patients with hepatosplenic schistosomiasis, 20% with cryptogenic cirrhosis and chronic active liver disease and 60% with hepatocellular carcinoma had these two markers. HBV antigenaemia was significantly more prevalent among male than among female patients and was particularly high among those less than 35 years old. The high prevalence of the various HBV markers among our patients suggests that HBV is a major factor in the development of chronic liver disease in our area. Furthermore, in view of a high prevalence of antigenaemia in patients with hepato-splenic schistosomiasis, HBV infection must play a concomitant role in the development of more serious form of chronic liver disease among such patients.