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Abstract

Hepatic hematoma (HH) is a rare but severe adverse event following endoscopic retrograde cholangiopancreatography (ERCP).To perform a systematic literature review and describe two additional cases, one of which presenting multiple subcapsular/intrahepatic hematomas after ERCP.The literature review was performed in PubMed/MEDLINE, EMBASE, and SCOPUS to identify all cases reporting on HH after ERCP.A total of 48 cases (females 63%, mean age 58.2 ± 20.6 years) were included. The mean symptoms onset time was 46.8 h after ERCP, and the most common symptoms were abdominal pain (91.7%), anaemia (43.8%), hypotension (29.2%) and fever (20.8%). All cases were diagnosed by computed tomography (CT). HH was found mostly in the right hepatic lobe (95.1%) and the mean size was 116 × 93 mm. A conservative management was adopted in 38.3% of cases, while percutaneous drainage, embolization and surgery were needed in 31.9%, 14.9% and 25%. Mortality rate was about 9%. Anaemia (OR 6.9; p = 0.02) and surgery (OR 10.5; p < 0.01) were the only independent factors for unfavorable outcome (death), while abdominal pain (OR 0.1; p = 0.03) and antibiotics administration (OR 0.06; p < 0.001) were associated with better outcome.HH is a rare but severe complication following ERCP which needs a multidisciplinary approach. Antibiotics administration is the only treatment able to reduce the risk of death.