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Hepatitis B and C virus markers among patients with hepatosplenic mansonic schistosomiasis
R T Aquino1, P P Chieffi, S M Catunda
1Faculdade de Ciências Médicas, Santa Casa de São Paulo, São Paulo, SP, 01277-900, Brasil.
Insights
Hepatitis B and C virus co-infection is frequent in hepatosplenic schistosomiasis patients, leading to more frequent liver decompensation. This study highlights the impact of viral co-infections in this population.
Area of Science:
- Hepatology
- Infectious Diseases
- Parasitology
Background:
- Hepatosplenic schistosomiasis (HSS) is a chronic parasitic disease.
- Co-infections with hepatitis B (HBV) and C (HCV) viruses are common in endemic areas.
- The impact of HBV and HCV co-infection on HSS progression is not fully understood.
Purpose of the Study:
- To determine the prevalence of HBV and HCV co-infection in patients with HSS.
- To investigate the clinical consequences of HBV and HCV co-infection in HSS patients.
Main Methods:
- Serological markers for HBV and HCV were assessed in 101 HSS patients.
- Risk factors, biochemical assays, endoscopy, and ultrasonography were evaluated.
- PCR and histopathology were used when available.
Main Results:
- Hepatitis B virus (HBV) markers were found in 15.8% and anti-HCV in 12.9% of patients.
- Viral activity was demonstrated in most anti-HCV positive patients.
- Co-infected patients showed higher liver enzyme levels, more frequent liver decompensation, and chronic hepatitis.
Conclusions:
- The prevalence of HBV and HCV markers is elevated in HSS patients compared to controls.
- HBV and HCV co-infection significantly increases the risk of liver decompensation in HSS.
Purpose:
To evaluate the frequency and the consequences of the co-infection of hepatitis B and C viruses in patients with hepatosplenic schistosomiasis (HSS).
Methods:
B and C serologic markers, exposure to risk factors, biochemical assays, upper gastrointestinal endoscopies, and abdominal ultrasonograms were evaluated in 101 patients with HSS from 1994 to 1997. Whenever possible, PCR was tested and histopathological studies were reviewed.
Results:
At least one HBV virus marker was found in 15.8%, and anti-HCV was detected in 12.9% of the subjects. The seropositive subjects tended to be older than the seronegative ones. A history of blood transfusion was significantly related to the presence of anti-HCV. Three (18.75%) out of 16 subjects exposed to B virus were HBsAg positive. Eleven (84.6%) out of thirteen patients who were anti-HCV positive demonstrated viral activity. Patients with ongoing viral infection presented a higher average level of liver aminotransferases, a higher frequency of cell decompensation and a higher rate of chronic hepatitis. Portal hypertension parameters were not influenced by viral exposure.
Conclusions:
The rate of hepatitis B and C viruses serologic markers observed in the patients with HSS was higher than the control group. The co-infection was responsible for a higher frequency of cell decompensation.
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