Abstract
Several studies have demonstrated better outcomes for carotid endarterectomy with high-volume hospitals and providers. However, only a few studies have reported on the impact of operator specialty/volume on the perioperative outcome of carotid artery stenting (CAS). This study will analyze the correlation of CAS outcomes and provider specialty and volume. Prospectively collected data of CAS procedures done at our institution during a 10-year period were analyzed. Major adverse events (MAEs; 30-day stroke, myocardial infarction, and death) were compared according to provider specialty (vascular surgeons [VSs], interventional cardiologists [ICs], interventional radiologists [IRs], interventional vascular medicine [IVM]), and volume (≥5 CAS/year vs. <5 CAS/year). Four hundred fourteen CAS procedures (44% for symptomatic indications) were analyzed. Demographics/clinical characteristics were somewhat similar between specialties. MAE rates were not significantly different between various specialties: 3.1% for IC, 6.3% for VS, 7.1% for IR, 6.7% for IVM (P = 0.3121; 6.3% for VS and 3.8% for others combined, P = 0.2469). When physicians with <5 CAS/year were excluded: the MAE rates were 3.1% for IC, 4.7% for VS, and 6.7% for IVM (P = 0....Continue Reading
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