Abstract

Objective To evaluate diagnostic method and treatment strategy for free floating thrombus in carotid artery. Methods From Jul 2016 to Oct 2017, 7 patients with free floating thrombus in carotid artery was diagnosed at our department . The medical history, symptoms, diagnosis, treatment strategy and prognosis of those patients were analyzed retrospectively. Results Among 7 patients, 4 were symptomatic; 4 patients were concomitant with severe carotid artery stenosis and 3 with mild to moderate stenosis. 3 received carotid endarterectomy and patch angioplasty. 4 received carotid artery stenting with distal cerebral protection divice. There was no perioperative and 30-day stroke, myocardial infarction, death or hyperperfusion syndrome occurred. The 12-month follow up showed no restenosis, no free floating thrombus recurrence and no ischemic cerebrovascular event. Conclusion Free floating filling defect in carotid artery is a typical sign for unstable plaque. Both carotid endarterectomy and carotid artery stenting can be used for the treatment of free floating thrombus. Key words: Carotid arteries; Endarterectomy, carotid; Carotid artery stenting; Free-floating plaque

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