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目的探讨彩色多普勒超声检查对2型糖尿病(DM)患者下肢动脉病变的诊断价值。方法105例2型DM患者与57例正常对照组进行下肢动脉彩色多普勒超声检查对比,观察其内膜-中层厚度(IMT)、粥样硬化斑块、管腔狭窄部位、管腔闭塞部位及血流动力学情况。结果①下肢动脉动脉病变的发生率,2型DM组明显高于对照组(P<0.01);②2型DM组下肢动脉粥样硬化斑块、狭窄、闭塞的发生率明显高于对照组,2型DM组所致下肢动脉粥样硬化为弥漫性或多节段性,对照组动脉粥样硬化多为血管分叉处局灶性病变;③有下肢症状组动脉狭窄和闭塞检出率明显高于无症状组(P<0.01);④病程较长组动脉狭窄及闭塞检出率明显高于病程较短组(P<0.05)。结论彩色多普勒超声检查对2型DM下肢动脉病变早期诊断、预防及早期治疗具有重要的临床价值。
Objective To investigate the diagnostic value of color Doppler ultrasonography in the diagnosis of lower extremity arterial disease in type 2 diabetes mellitus (DM). Methods 105 cases of type 2 DM patients and 57 normal controls were examined by color Doppler ultrasonography of lower extremity arteries to observe the changes of intima - media thickness (IMT), atherosclerotic plaque, stenosis site and lumen occlusion site And hemodynamic status. Results ① The incidence of arterial lesions in lower extremities was significantly higher in type 2 DM group than in control group (P <0.01). ② The incidence of atherosclerotic plaque, stenosis and occlusion in lower extremity in type 2 DM group was significantly higher than that in control group 2 Type DM group caused by atherosclerosis of the lower extremities diffuse or multi-segmental, the control group atherosclerosis mostly vascular bifurcation focal lesions; ③ lower extremity symptoms of arterial stenosis and occlusion was significantly higher (P <0.01). The longer the course of disease, the higher the detection rate of stenosis and occlusion was (P <0.05). Conclusion Color Doppler ultrasonography has important clinical value in the early diagnosis, prevention and early treatment of arterial disease of type 2 DM lower extremity.