Background: 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.
Purpose: To evaluate the feasibility and safety of thrombin in interventional treatment of postoperative pseudoaneurysms.
Material And Methods: 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.
Results: 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.
Conclusion: 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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