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Clinical Journal of Gastroenterology 2014-Apr

Successful transarterial embolization for recurrent pseudoaneurysm of the right hepatic artery with acute cholecystitis.

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Sho Hangai
Akihiko Ohata
Masanobu Kageoka
Masashi Mori
Teruyuki Shimura
Hiroki Uozaki
Takahiro Shimamura
Fumitoshi Watanabe
Yasuhiko Maruyama

Palabras clave

Abstracto

Pseudoaneurysm of the right hepatic artery is an extremely rare complication of acute cholecystitis. We report a patient with a right hepatic artery pseudoaneurysm associated with acute cholecystitis who was treated successfully by transarterial embolization. We also review the literature on right hepatic artery pseudoaneurysm secondary to acute cholecystitis. A 50-year-old male visited Fujieda General Municipal Hospital with an episode of sudden headache. He was diagnosed with a subarachnoid hemorrhage and treated successfully by microcoil embolization on hospital day 4. On hospital day 54, he developed fever and right upper quadrant tenderness. Abdominal ultrasonography revealed acute cholecystitis, while color Doppler imaging showed a low-echogenic mass with a pulsatile wave pattern inside the gallbladder. Contrast-enhanced computed tomography (CE-CT) demonstrated a pseudoaneurysm in the gallbladder, and angiography disclosed a right hepatic artery pseudoaneurysm. Selective transarterial embolization (TAE) was then performed using a steel coil. Abdominal pain and fever continued after TAE, with CE-CT showing re-bleeding from the previous pseudoaneurysm. Selective angiography identified extravasation at the same place as the previous pseudoaneurysm from the posterior superior pancreaticoduodenal artery and the inferior pancreaticoduodenal artery via the epicholedochal arterial plexus. TAE was performed resulting in successful occlusion of the pseudoaneurysm.

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