• World Neurosurg · Aug 2018

    Carotid Endarterectomy and Concurrent Clopidogrel Use: National Practice Patterns in the United States.

    • Eva A Mistry, Jane C Khoury, and Dawn Kleindorfer.
    • Department of Neurology and Rehabilitation Medicine, University of Cincinnati, Cincinnati, Ohio, USA. Electronic address: esamin87@gmail.com.
    • World Neurosurg. 2018 Aug 1; 116: e315-e320.

    BackgroundPatients with diagnoses of high-grade carotid stenosis are often placed on antiplatelet therapy and undergo carotid endarterectomy (CEA) during their hospital stay. There is intersurgeon variability in offering CEA to patients specifically on the potent antiplatelet agent clopidogrel.MethodsUtilizing the Premier database, data from adults with principal discharge diagnosis of stroke, transient ischemic attack (TIA), or carotid artery stenosis or occlusion without stroke/TIA (CAS) who had a CEA during the same hospital stay in 2014 were analyzed. Recent clopidogrel or aspirin use was defined as within 3 days before CEA. Univariate and multivariate analyses were used to examine the association of age, race, gender, symptomatic versus asymptomatic carotid stenosis, academic versus non-academic center, and regions of the United States with recent antiplatelet use before CEA.ResultsThere were 15,381 patients (median age, 71 years, interquartile range 65-78; 42% females) with stroke, TIA, or CAS who had a CEA during the same hospital stay in 2014 within the Premier databse. Of these, 2570 patients (16.7%) received clopidogrel, 4992 (32.5%) received aspirin but no clopidogrel, and 7819 (50.8%) received no clopidogrel/aspirin immediately before CEA. Younger patient age, treatment at a non-academic center, symptomatic carotid stenosis, and being in the Northeast or South were associated higher odds of being on clopidogrel therapy prior to CEA.ConclusionsAcross the United States, 1 in 6 patients was on clopidogrel therapy prior to undergoing a CEA. Patients with symptomatic carotid stenosis were most likely to be on clopidogrel therapy prior to their CEA. Future systematic analysis of differences in outcomes and safety events are needed.Copyright © 2018 Elsevier Inc. All rights reserved.

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