Endovascular Repair of Three Concurrent Mycotic Pseudoaneurysms

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Abstract

Introduction:

Mycotic pseudoaneurysm has traditionally been repaired surgically with excision of the infected artery and revascularization via extra-anatomical or in situ bypass. There have been reports of endovascular repair for high-risk patients for formal surgical repair. We present a case of a patient with 3 large pseudoaneurysms arising from the right subclavian artery, descending thoracic aorta, and right popliteal artery treated with endovascular and hybrid intervention.

Case:

A 74-year-old male with remote history of coronary artery bypass graft and recent sternoclavicular joint abscess developed 3 concurrent pseudoaneurysms arising from the right subclavian artery, distal descending thoracic aorta, and right popliteal artery. He underwent right axillary to common carotid bypass with endovascular stent graft placement in the distal innominate and proximal subclavian artery, and subsequently had thoracic endovascular aortic repair and right popliteal stent graft. Four months later, he presented with hemoptysis due to compression of the lung secondary to the pseudoaneurysm. He underwent right anterior thoracotomy and debridement of the pseudoaneurysm. Patient recovered from the procedure and discharged.

Conclusion:

Endovascular repair of mycotic pseudoaneurysm is an acceptable alternative for high-risk patients. Even when open approach became necessarily, endovascular stent graft decreased blood loss and morbidity.

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