Abstract
The purpose of this study was to evaluate 15-year patency and life expectancy after endovascular treatment (EVT) with primary stenting guided by intravascular ultrasound (IVUS) for iliac artery lesions. Fifteen-year patency, factors causing restenosis, and survival after IVUS-guided EVT are unclear based on the TransAtlantic Inter-Society Consensus II (TASC-II) classification in peripheral arterial disease (PAD). EVT was performed for 507 lesions in 455 patients with PAD. The 15-year endpoints were primary, primary-assisted, and secondary patency; overall survival; freedom from major adverse cardiovascular events (MACE); and freedom from major adverse cardiovascular and limb events (MACLE). The 5-, 10-, and 15-year primary and secondary patencies were 89%, 83%, and 75%, respectively, and 92%, 91%, and 91%, respectively. There were no significant differences among TASC-II categories. IVUS-guided stenting for the iliac artery had favorable 15-year patency in all TASC categories. Life expectancy after EVT was poor, but stenting is feasible for patients with PAD.
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