Coil embolization of an aortic pseudoaneurysm after open repair of type A aortic dissection.


Anastomotic pseudoaneurysms represent an uncommon and challenging complication of open aortic repair with prosthetic graft. First characterized by Clayton et al. in 1956, they affect approximately 1.4-4% of arterial anastomoses. These pseudoaneurysms are the result of many factors, foremost of which are infection, integrity of the host tissue, surgical technique, and location of the anastomosis. Pseudoaneurysms were traditionally treated with open resection of the pseudoaneurysm and revision of the anastomosis. This case presents a novel approach to the treatment of pseudoaneurysms in a difficult location. The patient was a 77-year-old man status after repair of a type A aortic dissection with a Dacron tube graft. Follow-up imaging 18 months postoperatively showed a 1.6 cm×1.7 cm pseudoaneurysm off of the posteromedial proximal suture line. Through a right brachial artery approach, a diagnostic angiogram was performed demonstrating a bilobed pseudoaneurysm. A Judkins left 3.5 catheter and 0.035″-angled Glidewire was used to engage the orifice of the pseudoaneurysm. Two 4 mm×6 cm Boston Scientific Interlock coils were then deployed into the pseudoaneurysm sac. Completion angiogram demonstrated complete exclusion of the pseudoaneurysm. The patient did well and was discharged the following day. Follow-up computed tomography scan at 3 months showed regression and complete thrombosis of the pseudoaneurysm. Traditional operative repair of anastomotic pseudoaneurysms can lead to long operations, high blood loss, and increased morbidity and mortality as a result of their reoperative nature. Coil embolization is a safe and effective approach for the treatment of anastomotic pseudoaneurysms in difficult locations.

DOI: 10.1016/j.avsg.2013.12.032
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@article{Jain2014CoilEO, title={Coil embolization of an aortic pseudoaneurysm after open repair of type A aortic dissection.}, author={Vikalp Jain and Luis Gruberg and Thomas V. Bilfinger and Apostolos K Tassiopoulos and Shang A. Loh}, journal={Annals of vascular surgery}, year={2014}, volume={28 5}, pages={1312.e1-5} }