Prevalence and Prognostic Impact of Carotid Artery Disease in Patients Undergoing Transcatheter Aortic Valve Implantation

Published:March 24, 2022DOI:


      To assess the prevalence of atherosclerotic carotid artery disease (ACAD) in patients undergoing transcatheter aortic valve implantation (TAVI) and postoperative cerebrovascular accidents (CVAs) and evaluate its prognostic impact on postoperative CVAs.


      A retrospective review of all consecutive patients with severe symptomatic aortic valve stenosis (AVS) who underwent TAVI was conducted at a single tertiary university hospital (January 2008–December 2018). Patients with AVS scheduled for TAVI and concomitant carotid stenosis were evaluated for prophylactic carotid revascularization (carotid endarterectomy [CEA] or carotid artery stenting [CAS]).


      Seven hundred and seventy one consecutive patients (mean age: 80 years, 52% males) were treated by TAVI procedures. Carotid stenosis > 70% was detected in 69 patients (9%); it was unilateral in 47 (68%) and bilateral in 22 (32%) patients. Prophylactic carotid revascularization was performed before TAVI in 45 patients (31%): in 63.1% of patients (30/47) with unilateral carotid stenosis > 70% and in 68.1% (15/22) with bilateral carotid stenosis > 70%. Postoperative CVA following TAVI procedures were recorded in 25 patients (3.2%): 22 cases of stroke (2.8%) and 3 cases of transient ischemic attack (0.4%). At a multiple logistic regression, only bilateral carotid stenosis > 70% (odds ratio [OR] 1.16, confidence interval [CI] 95% 1.03–1.31; P = 0.0009) was found as independent predictors of periprocedural CVA.


      In patients with severe symptomatic AVS undergoing TAVI, carotid stenosis was frequently observed. Unilateral carotid stenosis > 70% did not show a significant association with early CVA following TAVI. However, in the cohort of patients with bilateral carotid stenosis > 70%, a significant association with postoperative CVA was observed.
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