Hemorrhagic shock secondary to cholecystoduodenal fistula with gallbladder pseudoaneurysm: A case report

Abstract

BACKGROUND Hemorrhagic shock secondary to cholecystoduodenal fistula (CDF) with gallbladder pseudoaneurysm is very rare. CASE SUMMARY A middle-aged man presented with uncontrolled hemorrhage of the upper gastrointestinal tract. A subsequent diagnosis of rupture of gallbladder pseudoaneurysm secondary to cholecystoduodenal fistula was made. After active treatment, the patient was rescued successfully. CONCLUSION Most of CDF cases are caused by cholelithiasis and difficult to diagnose early. The joint application of B-mode ultrasonography, computed tomography, magnetic resonance cholangiopancreatography, gastroscopy, and endoscopic retrograde cholangiopancreatography could improve early diagnosis rate, and digital subtraction angiography can be used in the treatment of CDF with active bleeding. The therapeutic principle of CDF is cholecystectomy, removing calculus, and cutting off and repairing fistula.