The benefit of deferred carotid revascularization in patients with moderate-severe disabling cerebral ischemic stroke.

Symptomatic carotid artery stenosis needs revascularization within 2 weeks by carotid endarterectomy (CEA) to reduce the risk of symptom recurrence; however, the optimal timing of intervention is yet to be defined in patients with large-volume cerebral ischemic lesion (LVCIL) and modified Rankin scale (mRS) score ≥3. The aim of this study was to determine the most appropriate timing for CEA in patients with a recent stroke and LVCIL. Data from patients with symptomatic carotid stenosis with LVCIL and mRS score of 3 or 4 from 2007 to 2017 were considered. Patients were submitted to CEA if they had a stable clinical condition and life expectancy >1 year. LVCIL was defined as a cerebral ischemic lesion of volume >4000 mm In an 11-year period, of a total 4020 CEAs, 126 (2.9%) were performed in patients with a moderate stroke and LVCIL occurring in the same admission. The patients' median age was 69 years (interquartile range [IQR], 10 years); 72% (91) were male, with mRS score of 3 (IQR, 1) and LVCIL volume of 20,000 mm The surgical risk of CEA in patients with a recent moderate-severe ischemic stroke and LVCIL is high. However, if the intervention is delayed >4 weeks, its benefit seems significant.

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