Ultrasound-guided liver biopsy in children is a procedure with a low rate of major complications and a high rate of minor bleeding not requiring intervention. Treatment with low-dose acetylsalicylic acid did not increase bleeding incidence or total complication rate. Low-molecular-weight heparin and biopsies from focal lesions were risk factors for bleeding complications. Routine ultrasound the day after the procedure did not change handling of the patients.
Major complications are infrequent after pediatric liver biopsies and no relation between operator experience and major complications was found. We found a significant, but minor, effect of operator procedure frequency on the rate of minor bleeding incidents after ultrasound-guided pediatric liver biopsies.
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