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目的分析2型糖尿病并发急性脑梗死患者数字减影血管造影(DSA)的颈动脉颅外段狭窄特点。方法选取我院收治的2型糖尿病并发急性脑梗死患者108例作为糖尿病组，其中男64例，女44例，选取同期收治急性脑梗死患者108例作为非糖尿病组，其中男65例，女43例，对两组DSA的颈动脉颅外段狭窄临床特点进行观察分析。结果糖尿病组颈动脉颅外段狭窄发生率高于非糖尿病组，差异有统计学意义(P<0.05)。糖尿病组颈总动脉膨大部狭窄率、颈内动脉起始部狭窄率、颈内动脉主干部狭窄率均高于非糖尿病组，差异有统计学意义(P<0.05)。糖尿病组颈动脉颅外段狭窄发生率高于非糖尿病组，差异有统计学意义(P<0.05)。结论2型糖尿病患者急性脑梗死的发生与颈动脉颅外段狭窄密切相关，但与狭窄部位相关性并不明显。“,”Objective To analyze the digital subtraction angiography in patients with type 2 diabetes mel itus complicated with acute cerebral infarction (DSA) of the extracranial carotid artery stenosis characteristics. Methods Selected in our hospital in patients with type 2 diabetes mel itus complicated with acute cerebral infarction 108 cases as the diabetic group, male 64 cases, female 44 cases, were selected from patients with acute cerebral infarction 108 cases as the non-diabetic group, male 65 cases, female 43 cases, the observation and analysis of extracranial carotid arteries of two groups of DSA outer segment nar ow clinical characteristics. Results The diabetic group of extracranial carotid artery stenosis rate higher than the non diabetes group, the dif erence was statistical y significant ( < 0.05). The diabetic group carotid artery enlargement rate, internal carotid artery stenosis of internal carotid artery stenosis rate, trunk stenosis was higher than that in non diabetes mel itus group, the dif erence was statistical y significant ( < 0.05). The diabetic group of extracranial carotid artery stenosis rate higher than the non diabetes group, the dif erence was statistical y significant ( <0.05). Conclusion The occur ence of acute cerebral infarction with extracranial carotid arteries in patients with type 2 diabetes mel itus outer segment stenosis are closely related, but the cor elation is not obvious and stenosis.