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Diagnostic difficulties, therapeutic strategies, and performance of scoring systems in patients with autoimmune
Cumali Efe1, Staffan Wahlin, Ersan Ozaslan
1Department of Gastroenterology, Hacettepe University, Ankara, Turkey. drcumi21@hotmail.com
Insights
Diagnosing autoimmune hepatitis (AIH) with chronic viral hepatitis (HBV or HCV) is challenging. A combination of factors, not just scoring systems, is crucial for accurate AIH diagnosis in these complex cases.
Area of Science:
- Hepatology
- Immunology
- Infectious Diseases
Background:
- Diagnosing autoimmune hepatitis (AIH) is complex.
- Concurrent AIH with chronic viral hepatitis B (HBV) or hepatitis C (HCV) presents significant diagnostic challenges.
- Limited case studies exist on this dual diagnosis.
Purpose of the Study:
- To retrospectively evaluate diagnostic difficulties.
- To assess therapeutic strategies.
- To determine the performance of scoring systems in patients with concurrent AIH and chronic viral hepatitis.
Main Methods:
- Retrospective evaluation of 25 patients from multiple countries.
- Application of International Autoimmune Hepatitis Group revised and simplified criteria.
- Data collected from medical records.
Main Results:
- 80% of patients had concurrent HCV, 20% had HBV.
- Revised scoring system identified 72% as "probable" AIH; simplified criteria identified 48%.
- No patients met criteria for "definite" AIH using either system.
Conclusions:
- This study presents a significant case series of concurrent AIH and chronic viral hepatitis.
- The revised AIH scoring system outperformed the simplified version but neither is optimal alone.
- A definitive AIH diagnosis requires integrating serological profiles, histology, scoring systems, and treatment response.
Background:
The diagnosis of autoimmune hepatitis (AIH) is already difficult, and that of AIH with chronic viral hepatitis including hepatitis B (HBV) or hepatitis C (HCV) is even more challenging. To date, only a few case-based studies have described this association.
Aim:
The aim was to retrospectively assess diagnostic difficulties, therapeutic approaches, and performance of the scoring systems in AIH patients with concurrent HBV and HCV.
Methods:
A total of 25 patients from United States, Sweden, Italy, and Turkey were retrospectively evaluated. Both revised and simplified criteria suggested by the International Autoimmune Hepatitis Group were applied for each patient. All study data were obtained from medical records.
Results:
Of the 25 patients, 20 (80%) had concomitant HCV and 5 (20%) had HBV. Based on the revised scoring system and simplified criteria, 18 (72%) and 12 (48%) patients were diagnosed as "probable" AIH. None of the patients were diagnosed as "definite" AIH according to both scoring systems. Patients with HCV initially were treated with immunosuppressive agents, and antiviral therapy was commenced when biochemical remission occurred. AIH patients with HBV were first treated with antiviral and thereafter, immunosuppressive therapy was started.
Conclusions:
This large case series describes concurrent AIH and chronic viral hepatitis. The revised scoring system for AIH had a better performance than the simplified scoring system. However, neither scoring system is optimal for diagnosing AIH alone. In these patients, a definitive diagnosis of AIH should be based on a combination of serological profiles, histological findings, scoring systems, treatment response, and outcomes.
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