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本文介绍了低气压缺氧密封室处理后小鼠肠系膜微循环的改变。结果发现低气压低氧环境能引起小鼠肠系膜微循环明显改变。表现在血液流态、血管内红细胞聚集,微血管形态以及血管周围渗血等方面的改变尤为明显。微血管形态的改变以微静脉囊状扩张最为突出。在离开低气压缺氧环境后,血管周围渗血在一定时间内继续发展,高浓度氧不能阻止血管周围渗血现象的发展。其他改变包括血管分支出现跳级现象、毛细血管网呈虚线状以及微动脉末梢扭曲增多等。
This article describes the changes of mesenteric microcirculation in mice treated with low pressure anoxic chamber. The results showed that hypobaric hypoxia environment can cause significant changes in mouse mesenteric microcirculation. Manifested in the blood flow, intravascular red blood cell aggregation, microvascular morphology and perivascular bleeding and other aspects of the change is particularly evident. Microvascular changes in the shape of the most prominent vena cava dilatation. After leaving the low-pressure hypoxia environment, peripheral blood percolation continues to develop within a certain period of time, high concentrations of oxygen can not prevent the development of perivascular bleeding phenomenon. Other changes include a jump in the appearance of blood vessels, capillary networks, dotted lines, and micro-arterial tip distortions.