This article reports on a prospective, observational study which involved 28 patients which were diagnosed with internal carotid artery stenosis and underwent cas and aims to determine the best platelet function test for in-stent tissue protrusion following carotid artery stenting (cas).All cas procedures were performed under local anaesthesia administered through the femoral artery.A 9f mo.Ma device with two compliant balloons was navigated into the affected vessel; the distal balloon was placed in the external carotid artery, while the proximal balloon was placed in the common carotid artery.Open-cell stents which included a protege or closed-cell stents (non-medtronic) were placed in the stenotic lesions with the selection of the type of stent determined at the discretion of the attending physicians.Post-dilatation was performed after stent deployment when residual stenosis was >30%.20 patients received open-cell stents with 3 of these receiving a protégé device.The remaining 8 patients received non-medtronic closed-cell stents.All procedures were successfully completed and yielded adequate angiographic results.In addition, there were no technical or neurological complications associated with oct.In-stent tissue protrusion was detected by oct in 23 patients (82.1%), with a mean maximum projection area of 0.94 mm2 (range, 0¿4.6 mm2 ).The remaining five patients had no evidence of in-stent tissue protrusion.This paper concluded that collagen-induced platelet reactivity was related to in-stent tissue protrusion size following cas.
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