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ABDOMINAL VASCULATURE

cal excision often is not feasible, while percutaneous embolization tends to be incomplete. Even if embolization is initially successful, invariably new channels develop and the malformation recurs. Ischemia of underlying vital structures is a complication.

Examination and

Surgical Complications

One of the complications of transcatheter arterial embolization is iatrogenic dissection of the involved artery and its branches. For example, using the celiac artery to embolize hepatocellular carcinomas, the two most common sites of dissection are the celiac artery and proper hepatic artery. Sequelae of these dissections range from complete vessel recanalization, to stenosis, to complete obstruction.

Inferior vena caval laceration and dissection occur secondary to passage of various catheters and wires.

Temporary bacteremia occurs during angiographic procedures; prevalence is greater during angioplasties than during diagnostic arteriographies.

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