Abstract
Background: The presence of intraluminal thrombi (ILT) in acutely symptomatic carotid stenosis (“hot carotid”) represents a therapeutic dilemma for physicians. With little evidence to guide treatment, current ILT management approaches rely on individual or institutional preferences. Methods: This mixed methods study analyzed themes from semi-structured interviews with 22 stroke physicians from 16 centers, paired with a worldwide case-based survey of 628 stroke physicians conducted through the “Practice Current” section of Neurology: Clinical Practice. Results: In the thematic analysis of the interviews and quantitative analysis of the survey, participants favoured using anticoagulation with or without antiplatelet agents in patients with ILT (463/628, 74%). Despite a preference for anticoagulation, uncertainty regarding optimal antithrombotic management was noted in the thematic analysis. Additional themes identified included a preference for re-imaging patients in 3-5 days after initiating treatment to look for complete or partial clot resolution, at which point most experts would then be comfortable proceeding with revascularization if indicated, though uncertainty regarding the optimal timing of revascularization was noted. Conclusions: In cases of ILT in the “hot carotid” practice patterns of global experts show a preference for using anticoagulation and reimaging patients in 3-5 days, though there is considerable equipoise regarding the most appropriate management of these patients.
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