作者报道，无症状的颈动脉狭窄患者的术中中风或者死亡的几率(2.2%)比有症状的颈动脉狭窄患者几率(4.4%)低。
Perioperative stroke or death rates were lower for patients with asymptomatic stenosis (2.2%) than for patients with symptomatic stenosis (4.4%), the authors report.
另外，研究人员说，当无症状的颈动脉狭窄的程度上升时，任何复发的血管事件的相对危险上升。
In addition, say the investigators, the relative risk of any recurrent vascular events increased as the extent of asymptomatic CAS increased.
总计221例(8%)受试者有50%或以上的无症状的颈动脉狭窄。
In all, 221 (8%) of the subjects had asymptomatic CAS of 50% or greater.
颈动脉内膜切除术(CEA)是公认的预防有症状或无症状重度颈动脉狭窄患者卒中的标准治疗方法。
Carotid endarterectomy (CEA) is the accepted standard therapy for prevention of stroke in patients with high-grade symptomatic and asymptomatic carotid stenoses.
颈动脉内膜切除术(CEA)是公认的预防有症状或无症状重度颈动脉狭窄患者卒中的标准治疗方法。
Carotid endarterectomy (CEA) is the accepted standard therapy for prevention of stroke in patients with high-grade symptomatic and asymptomatic carotid stenoses.
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