在无症状的中年和老年人中,颈动脉杂音与以后发生的中风之间有什么关系,至今未清。有些血管外科医生认为,对哪些可以闻及长的高音调的颈动脉中部杂音而无症状者应进行颈动脉和颅内血管的造影,如果发现在颈内动脉有粥样硬化性狭窄,则应该进行动脉内膜切除术。但是这种看法目前尚未获得临床对照性研究的支持,预防性的血管手术能否降低中风的发病率,至今尚未肯定。以前曾有人认为,即使考虑到年令、伴随的 In asymptomatic middle-aged and older people, what is the relationship between carotid artery noise and stroke that has occurred since then? Some vascular surgeons believe that the carotid and intracranial vessels should be asymptomatic for those who can smell the long, high pitched carotid midrange murmur. If atherosclerotic stenosis is found in the internal carotid artery, Endarterectomy. However, this view has not yet been supported by controlled clinical studies, whether preventive vascular surgery can reduce the incidence of stroke has not yet been affirmed. Someone once thought that, even taking into account the year, accompanied