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用高分辨率彩色多普勒超声检测33例2型糖尿病(T2DM)患者肱动脉反应性充血后,以及含服硝酸甘油后的血管内径和血流量变化。结果:T2DM组反应性充血时肱动脉内径变化比正常对照组明显减弱(P<0.01),硝酸甘油介导的肱动脉内径扩张与正常对照组比较有显著性差异(P<0.05)。结论:T2DM患者不仅存在血管内皮依赖性舒张功能障碍,而且还存在非血管内皮依赖性舒张功能障碍。
High-resolution color Doppler ultrasound was used to detect the changes of intravascular diameter and blood flow after bradyarrhythmic reperfusion in 33 patients with type 2 diabetes mellitus (T2DM). Results: The changes of the diameter of brachial artery in T2DM group were significantly lower than those in normal control group (P <0.01). The nitroglycerin-induced brachial artery diameter expansion was significantly different from that of the normal control group (P <0.05). Conclusion: The patients with T2DM not only have endothelium-dependent dystonic dysfunction, but also have non-vascular endothelium-dependent dilatation dysfunction.