Endovascular Covered Stenting for Visceral Artery Pseudoaneurysm Rupture: Report of 2 Cases and a Summary of the Disease Process and Treatment Options

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Abstract

We present 2 cases of hemorrhage from a visceral artery pseudoaneurysm, managed successfully with endovascular covered stent placement. The first case was a 59-year-old man, 3 months after a laparoscopic distal pancreatectomy for adenoma, presenting with diffuse abdominal pain. The patient was evaluated with a computed tomography scan revealing a splenic artery pseudoaneurysm (PA) bleeding into a pancreatic pseudocyst. He was emergently taken to the angiography suite where a covered stent was deployed at the level of splenic artery PA. The second case was a 52-year-old woman with recurrent left retroperitoneal mass 5 years after distal pancreatectomy and splenectomy for a nonfunctional neuroendocrine tumor. She underwent resection of the mass in the left upper quadrant. Postoperative course was complicated by hematoma, abscess formation, reexploration, and repair of the duodenotomy and the portal vein. Subsequently, she was noted to have intermittent gastrointestinal hemorrhage, which prompted an angiogram revealing a hepatic artery PA that was repaired with a covered balloon-expandable stent. A completion angiogram was obtained in each case demonstrating exclusion of the PA. Our experience with these 2 cases supports the notion that endovascular covered stenting is a safe and effective therapy for exclusion of visceral artery aneurysm.

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