Methods 127 patients with carotid stenosis of which 78 were symptomatic and 49 were asymptomatic were treated by eCEA .
方法对127例颈动脉粥样硬化性狭窄患者行颈内动脉外翻内膜剥脱术，其中有症状者78例，无症状者49例。
ecea