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选择高原移居犬、高原世居犬、平原犬各３０只，用枪弹致犬双后肢伤并发休克的模型，观察３４００ｍ以上高原条件下颈外静脉穿刺输液的特点。实验结果提示：①高原条件下为预防硅胶管内凝血使用肝素液抗凝封管浓度应较平原高；②硅胶管内径的大小（１．５、２．０ｍｍ）与穿刺成功率无关，１．５ｍｍ内径的硅胶管输液速度最快达１６０滴／ｍｉｎ。
Thirty rabbits in each group were selected from the plateau migrating dogs, the plateau dogs and the plains dogs. The model of shock-induced bilateral hindlimb injuries was induced by bullets. The characteristics of transpenetrative jugular vein were observed under the altitude of 3400m. The results of the experiment showed that: (1) The concentration of heparin anticoagulation tube should be higher than that of plain tube in order to prevent coagulation in silicone tube in plateau; (2) The diameter of silicone tube (1.5, 2.0mm) has nothing to do with the success rate of puncture, 1.5mm The inner diameter of the silicone tube infusion speed up to 160 drops / min.