BMJ open gastroenterology · 2021
Value and risk of percutaneous liver biopsy in patients with cirrhosis and clinical suspicion of autoimmune hepatitis.
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Sripongpun Pimsiri, Pongpaibul Ananya, Charatcharoenwitthaya Phunchai
Аннотация
OBJECTIVE: The decision regarding whether to perform a liver biopsy in patients with cirrhosis and clinically suspected autoimmune hepatitis (AIH) remains a challenge. This study aimed to assess the utility and complications of percutaneous liver biopsy in cirrhosis for differentiating AIH from other liver conditions.
METHODS: A clinicopathological database of patients undergoing percutaneous liver biopsies for suspected AIH (unexplained hepatitis with elevated γ-globulin and autoantibody seropositivity) was reviewed to identify patients presenting with cirrhosis. Biopsy slides were reviewed by an experienced hepatopathologist who was blinded to clinical data.
RESULTS: In 207 patients who underwent liver biopsy for suspected AIH, 59 patients (mean age: 59.0±12.0 years, 83.1% female) had clinically diagnosis of cirrhosis. Mean Child-Turcotte-Pugh score was 6.6±1.6, and 44% of patients had a Child-Turcotte-Pugh score≥7. According to the revised International AIH Group (IAIHG) criteria, histology assessment combined with clinical information facilitated a diagnosis of AIH or overlap syndrome of AIH and primary biliary cholangitis (PBC) in 81.4% of cases. Liver biopsy identified other aetiologies, including PBC (n=2), non-alcoholic steatohepatitis (n=6) and cryptogenic cirrhosis (n=3). A reliable diagnosis of AIH could be made using histological category of the simplified criteria in 69.2% and 81.8% of cases using IAIHG scores before biopsy of <10 and 10-15, respectively. Three patients with cirrhosis (5.1%) experienced bleeding following biopsy, but none of 148 patients with non-cirrhosis had bleeding complication (p=0.022).
CONCLUSION: Liver biopsy provides important diagnostic information for the management of patients with cirrhosis and suspected AIH, but the procedure is associated with significant risk.
METHODS: A clinicopathological database of patients undergoing percutaneous liver biopsies for suspected AIH (unexplained hepatitis with elevated γ-globulin and autoantibody seropositivity) was reviewed to identify patients presenting with cirrhosis. Biopsy slides were reviewed by an experienced hepatopathologist who was blinded to clinical data.
RESULTS: In 207 patients who underwent liver biopsy for suspected AIH, 59 patients (mean age: 59.0±12.0 years, 83.1% female) had clinically diagnosis of cirrhosis. Mean Child-Turcotte-Pugh score was 6.6±1.6, and 44% of patients had a Child-Turcotte-Pugh score≥7. According to the revised International AIH Group (IAIHG) criteria, histology assessment combined with clinical information facilitated a diagnosis of AIH or overlap syndrome of AIH and primary biliary cholangitis (PBC) in 81.4% of cases. Liver biopsy identified other aetiologies, including PBC (n=2), non-alcoholic steatohepatitis (n=6) and cryptogenic cirrhosis (n=3). A reliable diagnosis of AIH could be made using histological category of the simplified criteria in 69.2% and 81.8% of cases using IAIHG scores before biopsy of <10 and 10-15, respectively. Three patients with cirrhosis (5.1%) experienced bleeding following biopsy, but none of 148 patients with non-cirrhosis had bleeding complication (p=0.022).
CONCLUSION: Liver biopsy provides important diagnostic information for the management of patients with cirrhosis and suspected AIH, but the procedure is associated with significant risk.