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目的 :通过对空肠直动脉动脉弓级数、分支类型、长度、管径、间距以及器官表面动脉吻合网眼密度 (吻合网眼数 /统计肠总面积个 /m2 )的观测 ,研究直动脉对空肠血供的影响。方法 :选取成人及 2～ 6岁小儿尸体进行股动脉插管、乳胶灌注后解剖剥离观察其分支类型并测量其管径、间距。结果 :空肠各段直动脉长度、管径、间距均有所不同。直动脉分支各段以 3支型为主 ,占 5 2 .19± 8.0 4 %、4 2 .80± 6 .0 7% ,其长度为 2 2 .32± 0 .31mm、 2 5 .0 0± 0 .37m m ,管径平均为 0 .6 8± 0 .18m m、0 .72± 0 .0 1mm ,间距为 2 .89± 1.72 m m、2 .79± 2 .0 6 mm。结论 :空肠两段中直动脉长度、管径、分支类型间存在差异性
OBJECTIVE: To study the effect of direct anastomosis on jejunum blood by observing the series of aortic arch, branch type, length, diameter, distance and organ anastomosis mesh density (number of anastomosed mesh / total area of statistical intestine / m2) For the impact. Methods: The adult and the body of children aged 2 to 6 years were enrolled in the femoral artery cannulation. After the latex was infused, the branches were dissected and dissected to observe the diameter and distance. Results: The length of jejunum, diameter and distance of jejunum were different. The branches of the branch of the straight artery were mainly of 3 types, accounting for 52.19 ± 8.04% and 42.08 ± 6.07% respectively, with a length of 22.32 ± 0.31mm and 25.0.0 ± 0.37m m, with an average diameter of 0.668 ± 0.18m m and 0 .72 ± 0. 01mm with spacing of 2.89 ± 1.72mm and 2.79 ± 2.06mm. Conclusion: There are differences in the length, diameter and branch types of the two branches of jejunum in jejunum