Hemobilia after laparoscopic cholecystectomy that was successfully treated conservatively: Case report.

Hemobilia due to pseudoaneurysm rupture is a rare, life-threatening complication of laparoscopic cholecystectomy (LC) that can cause rapid hemodynamic instability. Therefore, symptoms of hemobilia must be assessed carefully. An 88-year-old woman underwent LC in our hospital, and blood tests revealed elevation of hepatobiliary enzyme levels on postoperative day (POD) 12. Computed tomography (CT) showed a high absorption area in the common bile duct (CBD), and a diagnosis of hemobilia and a pseudoaneurysm without active bleeding into the abdominal cavity was made. There was no leakage of contrast medium outside the CBD during endoscopic retrograde cholangiography; thus, an endoscopic nasobiliary drainage (ENBD) tube was inserted on POD 12 and an endoscopic retrograde biliary drainage (ERBD) stent was placed in the CBD on POD 13. Thereafter, hepatobiliary enzyme levels gradually normalized and the ENBD tube and ERBD stent were removed on POD 27 and POD 54, respectively. The patient was discharged on POD 66. Hemostasis establishment using surgery or intervention radiology is often required for the treatment of hemobilia due to pseudoaneurysms; however, conservative treatment was effective in our case and we were able to pursue a minimally invasive approach. Erosion due to clip penetration or incomplete clipping of the cystic artery or its branches during surgery may have caused the cystic artery pseudoaneurysm. Hemobilia could be life threatening and cause acute hemodynamic instability; therefore, prompt diagnosis is required. Although the frequency of complication is low, the possibility of hemobilia after LC should be considered.

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