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[Chronic hepatitis: the etiological spectrum. The implications for treatment]
J Velosa1, F Ramalho, F Serejo
1Unidade de Hepatologia, Hospital de Santa Maria, Faculdade de Medicina de Lisboa.
Acta Medica Portuguesa
|June 1, 1993
Summary
Viral infections are the most common cause of chronic hepatitis, accounting for 82% of cases. Many patients with chronic viral hepatitis do not require interferon therapy, indicating a need for careful patient selection.
Area of Science:
- Hepatology
- Virology
- Clinical Medicine
Context:
- Chronic hepatitis affects a significant patient population.
- Understanding the diverse etiologies of chronic hepatitis is crucial for effective management.
- Specialized outpatient clinics are key centers for diagnosing and treating liver diseases.
Purpose:
- To determine the prevalence and etiological distribution of chronic hepatitis in a specialized clinic.
- To analyze the specific viral causes of chronic hepatitis, including hepatitis B, C, and delta.
- To evaluate the proportion of patients with chronic viral hepatitis suitable for alpha interferon therapy.
Summary:
- A 3-year study of 988 patients (aged >10 years) with chronic hepatitis revealed viral etiologies in 82%, predominantly hepatitis B virus (65%), hepatitis C virus (26%), and delta hepatitis (8%).
- Elevated transaminases were common in hepatitis C and delta patients, and in 94% of HBeAg-positive and 20% of anti-HBe-positive HBsAg carriers.
- Only 30% of chronic hepatitis B, 35% of chronic hepatitis C, and 18% of delta hepatitis patients were candidates for alpha interferon therapy, highlighting that many do not require this treatment.
Impact:
- This study underscores the predominant role of viral infections in chronic hepatitis.
- Findings suggest that alpha interferon therapy is not indicated for a substantial number of patients with chronic viral hepatitis.
- Results emphasize the importance of etiological diagnosis for appropriate treatment strategies in chronic hepatitis management.