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打通西南水运出海通道促进民族地区经济发展和社会进步
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作者 李小健 《人民珠江》 2001年第6期20-22,共3页
简述珠江水系发展航运的优势和航运现状 ,结合珠江水系的实际 ,论述贯彻西部大开发战略、打通西南水运出海通道对促进珠江水系中上游民族地区经济发展和社会进步的重要意义。回顾通过“八五”、“九五”期建设 ,珠江水系主要航道的改善 ... 简述珠江水系发展航运的优势和航运现状 ,结合珠江水系的实际 ,论述贯彻西部大开发战略、打通西南水运出海通道对促进珠江水系中上游民族地区经济发展和社会进步的重要意义。回顾通过“八五”、“九五”期建设 ,珠江水系主要航道的改善 ,对促进流域国民经济发展和社会进步的重要作用 ,着重介绍西南水运中通道的建设对上游民族地区经济发展和社会进步的作用 ,指出打通西南水运出海通道存在的主要问题 ,并提出打通出海通道应采取的主要措施。 展开更多
关键词 西南水运 水海通道 航道建设 珠江水系 珠江流域
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Surgical treatment for rabbits' femoral arteries subjected to gunshot wounds combining with seawater immersion 被引量:4
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作者 刘鹏 彭学良 +4 位作者 刘晋才 赖西南 张良潮 吴国萍 王丽丽 《Chinese Journal of Traumatology》 CAS 2005年第5期311-316,共6页
Objective: To investigate the surgical treatment methods and evaluate the outcome of gunshot wounds combining with seawater immersion in rabbits’ femoral arteries. Methods: One hundred healthy New Zealand white rabbi... Objective: To investigate the surgical treatment methods and evaluate the outcome of gunshot wounds combining with seawater immersion in rabbits’ femoral arteries. Methods: One hundred healthy New Zealand white rabbits (either sex, 3.14 kg± 0.61 kg in weight) were randomly divided into a seawater immersion group (n=50) and a simple injury group (n=50). The unilateral femoral arteries of all the rabbits were injured by 0.38 g steel spheres with velocity of 600-800 m/s fired by a 7.62 mm rifle. The rabbits in the seawater immersion group were immersed in seawater (saline content of 2.54%, pH 8.2- 8.4, and at 21℃) for 60 minutes but those in the simple injury group were not. After the injured segment (observed by naked eyes) of the femoral artery was excised, the blood flow restoration was reconstructed by direct end-to-end anastomosis, reversed autogenous venous grafting or cryopreserved arterial allografting, according to the length of the arterial defects. At 24 hours, and 7, 14 and 21 days after operation, the blood flow was examined. Operative exploration was performed for the animals with partly or fully obstructed blood flow. The tissues around the anastomosis sites and the grafts were harvested for pathological observation under a light microscope and an electron microscope. Results: In the rabbits with completely transected injury, the unobstructed rates in the first 3 weeks after operation were 80.00% in the seawater immersion group and 86.67% in the single injury group, and no significant difference was found between the two groups (P> 0.1). In the rabbits with arterial contusion injury, the unobstructed rates in the first 3 weeks after operation were 86.67% in the seawater immersion group and 82.35% in the single injury group, and no significant difference was found between the two groups (P> 0.1). Most thrombosis occurred in the first operative week. Atypical endothelial cells were detected at the anastomosis sites at the first operative week, and the anastomosis sites were lined with endothelial cells in 3 weeks postoperatively. Conclusions: During the surgical treatment for gunshot wounds combining with seawater immersion, resection of the grossly-injured artery and routine artery reconstruction can obtain satisfactory outcome. Homologous artery is a kind of vascular graft with certain applied value. 展开更多
关键词 Wounds gunshot Seawater IMMERSION Vascular surgery
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