Abstract
Anastomotic leaks are uncommon complications following aortic surgery. To avoid the morbidity associated with a second surgical procedure, minimally invasive techniques have become increasingly popular. To evaluate the feasibility and safety of thrombin in interventional treatment of postoperative pseudoaneurysms. CT-guided percutaneous injection was chosen in four cases. Endovascular access using an occlusion balloon catheter placed in the orifice of the pseudoaneurysm was utilized in one case. The average volume of all pseudoaneurysms was 178 ± 190 mL with a volume of the patent lumen of 25 ± 28 mL. All aneurysms thrombosed after injection of 600 ± 237 IU of thrombin. During the follow-up period of an average of 10 months all pseudoaneurysms remained occluded. Our series demonstrates the feasibility of thrombin in the treatment of aortic anastomotic pseudoaneurysms. In combination with occlusion balloon catheters, even wide-necked pseudoaneurysms may be treated successfully. However, further investigations are warranted.
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