It was reported that a pseudoaneurysm occurred.The target lesion was located in a severely calcified right superficial femoral artery (sfa).The lesion length was 50mm.The lesion was cut twice with a 1.85mm jetstream sc catheter and was cut once with a 2.4mm jetstream xc catheter during the index procedure on (b)(6) 2022.On (b)(6) 2023, lower extremity ultrasound showed no indication of pseudoaneurysm and no restenosis.At the outpatient clinic on (b)(6) 2023, restenosis of the right sfa was suspected by lower extremity artery ultrasound.A pseudoaneurysm was then diagnosed at angio when revascularization was performed on (b)(6) 2023.As a result, on (b)(6) 2023, pseudoaneurysm closure and endarterectomy were performed under general anesthesia.The adventitial structure was partially destroyed on the outside of the proximal part of the right sfa, and after resecting the same part, a patch of bovine pericardium was applied in the fan direction, and endarterectomy was performed centrally and peripherally, and a bovine pericardium patch was applied to the vascular calcification.Plastic surgery was performed using a bovine pericardial patch.Ivus at the time of the initial treatment showed cutting near the adventitia and a hematoma image in the surrounding area, so it was thought that excessive cutting during the initial treatment damaged the vascular wall and caused a pseudoaneurysm in the chronic phase.The patient's general condition was stable, and the patient was being followed up as an outpatient.The patient had a lymph node issue after surgery and was currently being treated.
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