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[Chronic hepatitis--diagnosis and differential diagnosis]
1I. interní klinika 1. LF UK a VFN, Praha.
Insights
Accurate diagnosis of chronic hepatitis (CHH) is crucial for effective treatment and prognosis. Identifying the correct cause, such as viral hepatitis or autoimmune conditions, guides therapy and prevents complications like cirrhosis.
Area of Science:
- Hepatology
- Internal Medicine
- Gastroenterology
Context:
- Chronic hepatitis (CHH) classification is over 25 years old.
- Significant advancements have improved the understanding of CHH etiology, pathogenesis, and therapy.
- Contemporary diagnosis requires integrating these advancements.
Purpose:
- To emphasize the critical importance of accurate etiological assessment in diagnosing chronic hepatitis.
- To highlight the need for updated diagnostic approaches incorporating recent scientific findings.
- To guide clinicians in selecting appropriate treatments based on specific CHH causes.
Summary:
- Viral hepatitis (B and C) is a primary cause of CHH, potentially leading to cirrhosis; interferon therapy can prevent progression.
- Idiopathic autoimmune hepatitis requires different treatment (corticoids, immunosuppressants) as interferon is contraindicated.
- Other causes like drug-induced liver injury and metabolic diseases (e.g., Wilson's disease) must be considered.
- Histological and laboratory findings are essential for assessing disease severity and should be quantitatively evaluated.
Impact:
- Improved diagnostic accuracy for chronic hepatitis.
- Optimized patient treatment strategies based on precise etiology.
- Better prognosis and prevention of severe liver disease progression.
- Foundation for quantitative assessment of liver disease severity.
Abstract:
Since the first classification of chronic hepatitis (CHH) more than 25 years have elapsed. Since then conditions for assessment of the etiology, pathogenesis and therapy of the disease have improved. These findings must be applied in the contemporary diagnosis of CHH. The first task is to assess the correct etiology of the disease because it is decisive for treatment, development and prognosis of the disease. The most important cause of CHH is viral hepatitis. Hepatitis B and C are frequently occurring diseases and may develop into CHH and cirrhosis of the liver. New therapeutic procedures, using interferons, can prevent this. Idiopathic autoimmune hepatitis is a serious form where interferon therapy is contraindicated, while the condition usually responds very well to treatment with corticoids and immunosuppressive substances. It is important to take into consideration also possible liver damage by drugs and the fact that the clinical picture is associated with a certain stage of metabolically conditioned changes, in particular Wilson's disease. It is important to examine carefully the histological finding and laboratory results, as it is possible to evaluate from them the severity of the disease. We should also attempt to evaluate these changes quantitatively.