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观察大鼠高压氧暴露后皮肤微循环的改变。结果表明，高压氧暴露后，细动脉血流速度比暴露前增加了０．４５ｍｍ／ｓ，细静脉增加了０．１３ｍｍ／ｓ，与对照组比较有明显差异（Ｐ＜０．０１）。此外，经高压氧暴露后，细静脉开放数量增加，红细胞聚集程度减轻或转为正常。表明高压氧治疗的作用不单纯是增加血液中氧的含量，而且改善微循环的功能密切相关。同时还观察到，高压氧暴露后，皮肤微血管主要表现为收缩，其中以≥３０μｍ细动脉和≥４０μｍ细静脉尤其明显，这一现象可能与微血管壁的结构有关。
The changes of skin microcirculation after hyperbaric oxygen exposure in rats were observed. The results showed that after hyperbaric oxygen exposure, the velocity of arteriolar blood flow increased by 0.45mm / s and the fine vein increased by 0.13mm / s than that before exposure, which was significantly different from the control group (P <0.01). In addition, after hyperbaric oxygen exposure, the number of fine veins increased, the degree of aggregation of red blood cells reduced or turned to normal. Show that the role of hyperbaric oxygen therapy is not simply to increase the oxygen content in the blood, but also to improve the function of microcirculation is closely related. At the same time, it was also observed that after the exposure to hyperbaric oxygen, the skin microvessels mainly showed constriction, especially the fine arteries ≥30μm and the fine veins ≥40μm, which may be related to the structure of the microvessel wall.