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研究30名振动病人及13名健康人的微循环状态,进行冷试验前后的手指血流图及毛细管显微镜检查。冷试验阳性时。毛细血管的直径和形态与试验前比较无明显改变,但有显著的血流迟缓,证明血流障碍不在毛细血管而在动脉和前毛细血管,由于动脉毛细血管的联结狭窄,据定律,使流入毛细血管的血液减少,毛细血管内血流迟缓。冷试验前健康人的基础阻抗为229欧姆,病人为236欧姆,试验后5分钟,
The microcirculation state of 30 vibration patients and 13 healthy subjects was studied, and the finger blood flow diagram and capillary microscopic examination were performed before and after the cold test. Cold test is positive. The diameter and morphology of the capillaries did not change significantly compared with those before the test, but there was a significant slowing of the blood flow, demonstrating that the blood flow disorder was not in the capillaries but in the arteries and pre-capillaries. Due to the narrowing of the arterial capillaries, according to the law, Capillaries reduce blood flow, slow capillary blood flow. Before cold test the healthy person’s basic impedance is 229 ohms, the patient is 236 ohms, 5 minutes after the test,