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  • Title: Migration of steel-wire coils into the stomach after transcatheter arterial embolization for a bleeding splenic artery pseudoaneurysm: report of a case.
    Author: Takahashi T, Shimada K, Kobayashi N, Kakita A.
    Journal: Surg Today; 2001; 31(5):458-62. PubMed ID: 11381514.
    Abstract:
    Transcatheter arterial embolization (TAE) represents the primary, and often definitive, mode of therapy for bleeding splanchnic artery pseudoaneurysms (PSA). Nevertheless, a number of complications associated with this procedure have been described. We report herein the case of a 59-year-old man with chronic pancreatitis who was referred to us with hematemesis and hemorrhagic shock. Computed tomography revealed a splenic artery PSA bleeding into a pancreatic pseudocyst, and TAE was performed using steel-wire coils, placed inside the aneurysmal cavity, which resulted in the immediate cessation of bleeding. However, several weeks later some of the coils were found to have dislodged through a gastropseudocystic fistula. Furthermore, an early gastric cancer was incidentally found proximal to the fistula. We finally performed open surgery to treat both disorders; primarily for the gastric cancer, but also for the pseudocyst and fistula, with the intermittent discharge of the steel-wire coils. To our knowledge, migration into the stomach of steel-wire coils after TAE has not been described before. It is generally believed that the embolization procedure should occlude normal portions of the artery both distal and proximal to the PSA with embolization materials. By occluding the PSA in this way, the subsequent migration of steel-wire coils into the pseudocyst and stomach might have been prevented in our patient.
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