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目的探讨脑梗死与颅内-外动脉狭窄的关系。方法对56例脑梗死患者的数字减影血管造影(DSA)资料进行分析,计算颅内-外动脉狭窄率,并对颈内动脉系统脑梗死(前循环)与椎-基底动脉系统脑梗死(后循环)的颅内-外动脉狭窄或闭塞情况进行比较。结果 56例患者中,单纯颅外动脉、单纯颅内动脉及颅内-外动脉多发性狭窄或闭塞分别为30.4%(17/56)、28.6%(16/56)和32.1%(18/56),颅外动脉狭窄或闭塞高于颅内动脉(53.1%、46.9%)。颈内动脉脑梗死组颅内动脉狭窄或闭塞稍高于颅外动脉(54.1%、45.9%),椎基底动脉脑梗死组颅外动脉狭窄或闭塞明显高于颅内动脉(61.8%、38.2%)。颈内动脉脑梗死组单纯颅内动脉狭窄或闭塞高于椎基底动脉脑梗死组(40.0%、18.18%),颅内-外动脉多发性狭窄或闭塞低于椎基底动脉脑梗死组(10.0%、54.5%)。结论 DSA检查有助于明确脑梗死病因,对治疗具有指导意义。
Objective To explore the relationship between cerebral infarction and extracranial cerebral artery stenosis. Methods Data of digital subtraction angiography (DSA) in 56 patients with cerebral infarction were analyzed to calculate the rate of intracranial and extracranial stenosis, and the correlation between cerebral infarction (anterior circulation) of the internal carotid artery and cerebral infarction of the vertebrobasilar system After the cycle) of intracranial-external artery stenosis or occlusion were compared. Results Among the 56 patients, the incidence of multiple extracranial, simple intracranial and extracranial internal stenosis or occlusion were 30.4% (17/56), 28.6% (16/56) and 32.1% (18/56) respectively ), Extracranial artery stenosis or occlusion was higher than intracranial artery (53.1%, 46.9%). Intracranial artery stenosis or occlusion of intracranial artery was slightly higher than that of extracranial artery (54.1%, 45.9%). The extracranial artery stenosis or occlusion in vertebrobasilar cerebral infarction group was significantly higher than that of intracranial artery (61.8%, 38.2% ). Compared with vertebrobasilar cerebral infarction group (40.0%, 18.18%), the number of isolated intracranial arterial stenosis or occlusion in ICA group was significantly lower than that in vertebrobasilar cerebral infarction group (10.0% , 54.5%). Conclusion DSA examination can help to clarify the etiology of cerebral infarction, which is instructive for treatment.