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Subject 40912 had a previous peripheral artery bypass surgery that took place on 2005-12-16 because a lesion was identified in the left femoral-popliteal artery. The lesion was deemed severe and extensive and the subject was not a good candidate for angioplasty (percutaneous vascular intervention), hence a bypass graft surgery was performed. Note PRCAT is populated with Prior Intervention. This information is collected during the SCREEN visit on 2007-01-01 (PRDTC).
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On 2007-01-05, at an unscheduled visit, the subject had undergone cardiac catheterization during which time two separate lesions were located in the left leg of the subject. One lesion (lesion 1) was in the native left femoral-popliteal artery (this was the lesion that led to the graft bypass surgery back in 2005) the other lesion (lesion 2) was located in the left femoral-popliteal graft. While Lesion 1 is considered as non-target, lesion 2 is considered as target for PVI - a stent was implanted into the left femoral-popliteal graft to correct the stenosis caused by the lesion (Lesion 2). Note PRDTC (the date of collection) was populated with the start date/time of the procedure.
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