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观察16例雷诺综合征甲襞微循环，异常率达93．75％，血管形态，流态及拌周状态均有不同程度的异常率。血流速度缓慢，红细胞聚集率增加，并有50％病例甲襞微循环有渗出现象。提示观察甲襞微循环变化有助于雷诺综合征诊断。
16 patients with Renault’s syndrome were observed microcirculation, the abnormal rate was 93.75%. There were different degrees of abnormalities in vascular morphology, fluid state and mixed state. Slow blood flow, increased rate of erythrocyte aggregation, and 50% cases of nailfold microcirculation exudation phenomenon. Prompt observation of changes in formazan microcirculation contribute to the diagnosis of Renault syndrome.