Objective To evaluate the relationship between ultrasonic detection results of carotid artery plaques and ischemie stroke in type Ⅱ diabetes. Methods The cerebral infarction or transient ischemic patients were divided into two groups base on whether they were suffering Type Ⅱ diabetes, 112 cases were in test group and 96 cases were in control group. The intima media thickness, with or without plaques (size, location), the formation, the plaques echo type and number were tested in carotid artery, carotid bulb and internal carotid artery with ultrasound. And whether there was atheroscleroses, the location, the number and the level of atheroscleroses were also evaluated. Results No difference was detected in comparing the test group of test and control groups on carotid artery IMT thickness, carotid artery and carotid bulb plaques incidence rate, but statistically difference was showed in extracranial internal carotid artery of plaques incidence rate and plaques formation comparison (P ＜ 0.05). 66 cases atherosclerosis involved the carotid artery in test group and 20 cases in control group. No difference was found in common carotid artery, carotid artery bulb atherosclerosis involved vascular, but significant difference was detected in internal carotid artery comparison of two groups (P ＜ 0.05). Conclusion The risk of ischemic stroke is relative to carotid artery plaques echo, formation, location and whether involved inter carotid artery atherosclerosis. The ultrasound of carotid artery screening is a useful way to detect the plaques quickly and precisely.%目的 探讨2型糖尿病颈动脉斑块超声特征与缺血性脑卒中的相关性.方法 以脑梗死或短暂性脑缺血发作(TIA)的2型糖尿病患者112例为研究组,以不伴有2型糖尿病的脑梗死或TIA患者96例为对照组.超声检查两组颈总动脉、颈动脉球部及颈内动脉内-中膜(IMT)是否增厚、有无斑块形成,评价斑块的位置、形态、回声、数量及大小.超声诊断两组颈动脉是否有狭窄及狭窄的部位、程度和数量.结果 研究组颈动脉IMT增厚、颈总动脉及颈动脉球部斑块的发生率及颈动脉斑块的数量与对照组比较无差异.研究组颈内动脉斑块的发生率、颈动脉斑块的形态与对照组比较差异显著(P < 0.05).研究组颈动脉狭窄累及66条,对照组累及20条,两组比较有差异(P < 0.05).两组累及颈总动脉、颈动脉球部狭窄的血管数目比较无差异,累及颈内动脉狭窄的血管数目比较有差异(P < 0.05).结论 缺血性脑卒中的发生与2型糖尿病颈动脉斑块的回声、形状、部位、是否导致颈内动脉狭窄及狭窄的程度与数量有关.颈部血管超声能更快、更准确地评价颈动脉斑块的超声特征.
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