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In liver cirrhosis coagulation is impaired due to decreased synthesis of vitamin K-dependent and vitamin K-independent coagulation factors. In such patients routine liver biopsy is contraindicated due to the increased risk of bleeding. Treatment with recombinant factor VIIa or fresh frozen plasma reduces the complication rate of liver biopsy, but both have disadvantages. In this observational study, we evaluated the safety and efficacy of plugged-percutaneous liver biopsy in 36 patients with ascites (n = 9), impaired coagulation (n = 22), or both (n = 5) due to severe chronic liver disease. Among patients with clotting disorders, mean prothrombin time was 16.3 s (range 11.4-20.3) and the mean platelet count was 53 x 10(9)/l (range 19-153). Plugged-percutaneous liver biopsy was in none of the cases associated with bleeding complications (95% confidence interval 0-0.097). All biopsies were adequate for histological interpretation and therefore diagnostically successful. In our experience, plugged-percutaneous liver biopsy seems a safe and reliable method in patients with chronic liver disease associated with impaired coagulation and/or ascites needing histological evaluation.

Plugged-Percutaneous Liver Biopsy in Patients with Impaired Coagulation and Ascites