Persistent sciatic artery (PSA) is a rare vascular anomaly that can cause acute limb ischaemia (ALI) due to peripheral thromboembolism following aneurysm formation, and surgical repair or exclusion with or without femoropopliteal bypass is the standard treatment for these symptomatic cases of PSA. Here, we report a case of a 70-year-old man with right PSA aneurysm who suffered from recurrent ALI despite the history of right femoropopliteal bypass at the age of 58 for occlusion of right PSA and graft (femoropopliteal bypass graft)-to-tibial bypass at the age of 68 for occlusion of right posterior tibial artery. We performed a catheter angiographic examination using an intravascular ultrasound and performed an endovascular therapy (EVT) for the purpose of jailing the internal iliac artery. This is a rare case of PSA aneurysm presenting with recurrent ALI after femoropopliteal bypass successfully treated with EVT.
- cardiovascular medicine
- interventional cardiology
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