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The aim of the study was to describe and assess the technical success and safety of ultrasound-guided liver biopsy with gelatin sponge pledget tract embolization technique in infants <10 kg across 3 tertiary pediatric hospitals.There were 67 pediatric patients weighing <10 kg (36 boys; 31 girls; average age 202 days; average weight 6 kg, range 1.5-9.9 kg) referred for liver biopsy performed with ultrasound guidance and gelatin sponge pledget tract embolization during a 2-year period. Patient history, procedural records, and clinical follow-up documents were retrospectively reviewed.A total of 67 procedures were included. There was 100% technical success rate and all samples obtained provided adequate tissue for histological assessment. Average number of 18 G biopsy passes was 3 (range 1-6). There were no procedure-related deaths. There was 1 complication (1%) in a 5-kg infant who was readmitted 36 hours after biopsy with a fever and fully recovered after antibiotics were administered. Biliary atresia was the most common underlying diagnosis (20%), whereas others included acute rejection (16%) and biliary obstruction (7%).Ultrasound-guided percutaneous liver biopsy with gelatin sponge pledget tract embolization technique in children weighing <10 kg is safe, effective, and use of this technique may lead to a reduction in rates of adverse events reported in other pediatric series.
View details for PubMedID 27749391