Among Asian patients with vascular risk factors, middle cerebral artery (MCA) stenosis is frequently present, even in the absence of a history of stroke or transient ischemic attack, investigators report in the June issue of Neurology.

• 有血管危险因素的亚洲病人中；经常存在大脑中动脉狭窄；即使在那些没有卒中史或短暂脑缺血发作史的病人也是如此；这是研究人员在神经学杂志六月刊中报道的.