A Regional Experience with Carotid Endarterectomy in Patients with a History of Neck Radiation

Annals of Vascular Surgery
Laura T BoitanoMark F Conrad

Abstract

Historically, a history of neck radiation has been considered as an anatomic risk factor for poor outcomes after carotid endarterectomy (CEA). However, this is based on small and primarily single institution reports with few comparative series. This study uses a regional quality database to compare perioperative outcomes of CEA in patients with and without a history of neck radiation (RAD and NORAD, respectively). The Vascular Study Group of New England database was queried for all CEA from 2003 to 2017. The RAD group included a history of neck radiation. Primary end points included perioperative stroke (30-day), myocardial infarction (MI) (in-hospital), death (30-day), a composite end point including major adverse events (MAEs: stroke, MI, and death), and long-term survival. Overall, 18,832 patients underwent CEA (18,551 NORAD, 281 RAD). Baseline demographics differed in the following: the RAD group more frequently had a history of contralateral carotid artery stenting (1.4% vs. 0.3%, P = 0.009), anatomic high risk features (12.8% vs. 1.3%, P < 0.001), and contralateral carotid occlusion (5.3% vs. 2.4%, P = 0.005). The NORAD cohort comprised mostly women (38.9% vs. 29.5%, P < 0.001), had American Society of Anesthesiologists c...Continue Reading

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