Objective: To explore the influence of intermittent segmental artery block on pathologic changes of intimal hyperplasia.
目的：探讨间歇性节段性动脉阻断对阻断段动脉内膜增生的影响。
Results Vessels around T5-T11 passed through the lower part of corresponding vertebral body constantly, with the upper segmental veins, and lower segmental artery.
结果T5 ~ 11节段血管走行较为恒定，节段静脉在上、节段动脉在下，走行于对应椎体的中央偏下水平。
Results:On the section through tracheal bifurcation, in front of the apicoposterior segmental vein, anterior segmental artery lay medioanterior to anterior segmental bronchus.
结果：在气管杈层面上，尖后段静脉居中，其前方，前段动脉居前段支气管的内前方；
Conclusions: Segmental transluminal angioplasty and application of urokinase after below-knee artery PTA are helpful to the success of operation and short-term patency.
结论：分段血管腔内成形术和膝下动脉行pta后应用尿激酶对提高PTA的成功率和近期通畅率有帮助。
Conclusions: Segmental transluminal angioplasty and application of urokinase after below-knee artery PTA are helpful to the success of operation and short-term patency.
结论：分段血管腔内成形术和膝下动脉行pta后应用尿激酶对提高PTA的成功率和近期通畅率有帮助。
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