Abstract
Severe carotid stenosis is typically treated with carotid endarterectomy (CEA), but there is debate about the safety of this procedure in patients with contralateral carotid occlusion (CCO). To compare 30-day outcomes after CEA in patients with severe carotid stenosis or without CCO. This retrospective, single-institution analysis included 434 patients who underwent CEA. All CEAs were performed under general anesthesia, and carotid shunts were used in 32 patients. Patients were categorized into 2 groups according to patency of the contralateral carotid artery: groups I (no CCO, n = 394) and II (with CCO, n = 40). Demographics, preoperative symptomatic status, and frequency of early (<30 days) symptomatic neurologic complications and death were compared. Total mortality after CEA was 1.6% (n = 7), 7 and 0 in groups I and II, respectively (P = 0.39). Overall stroke rate was 3.5% (n = 15), 15 and 0 in groups I and II, respectively (P = 0.20). Rate of transient ischemic attacks was 1.4% (n = 6), 5 and 1 in groups I and II, respectively (P = 0.37). Symptomatic group I patients had a higher rate of stroke and/or death (6.7% vs. 0%) (P = 0.85). In asymptomatic patients, the stroke and/or death rate was higher in group II (3.4% vs. 8.3...Continue Reading
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