彩色多普勒超声对肠系膜上动脉主要分支的观察

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1、授予单位代码10089学号或申请号13260HebeiMedicalUniversity硕士学位论文在职科学学位彩色多普勒超声对肠系膜上动脉主要分支的观察学位申请人：白显树导师：薛红元教授专业：影像医学及核医学二级学院：河北省人民医院2015年03月河北医科大学学位论文使用授权及知识产权归属承诺本学位论文在导师(或指导小组)的指导下，由本人独立完成。本学位论文研究所获得的研究成果,其知识产权归河北医科大学所有。河北医科大学有权对本学位论文进行交流、公开和使用。凡发表与学位论文主要内容相关的论文,第一署名为单位河北医科大学，试验材料、原始数据、申报的专利等知识产

2、权均归河北医科大学所有。否则,承担相应法律责任。%研究生签名：>导师签章二辑学院释蒙〗v河北医科大学研究生学位论文独创性声明本论文是在导师指导下进行的研究工作及取得的研究成果，除了文中特别加以标注和致谢等内容外,文中不包含其他人已经发表或撰写的研究成果,指导教师对此进行了审定。本论文由本人独立撰写,文责自负。研究生签名：目录中文摘要·············································································1英文摘要··································

3、···········································5英文缩写·············································································10研究论文彩色多普勒超声对肠系膜上动脉主要分支的观察前言·············································································11材料与方法·············································

4、·······················14结果·············································································17附图·············································································18附表·············································································20讨论·············

5、································································21结论·············································································25参考文献·······································································25综述彩色多普勒超声在肠系膜上动脉的研究进展·······················28致谢···········

6、········································································34个人简历·············································································35中文摘要彩色多普勒超声对肠系膜上动脉主要分支的观察摘要肠系膜上动脉（superiormesentericartery,SMA）是消化道的最重要供应动脉，发自腹主动脉前壁，向前下方下行，进入小肠系膜根，然后斜行延伸至右髂窝，其主要分支有胰十二指肠动脉、空

7、肠动脉、回肠动脉，右结肠动脉，中结肠动脉。解剖上,这些主要分支又反复发出分支，通过多级动脉弓相吻合，由最后分级动脉弓发出的直小动脉进入肠壁。这些肠系膜上动脉主要分支均通过动脉弓彼此相邻吻合。彩色多普勒超声（CDFI）是在二维超声基础上叠加多普勒彩色编码技术，二维超声可以取得清晰的血管二维多切面图像，彩色多普勒不但可以显示血管内的彩色多普勒信号，而且能够测量血管内部的血流频谱信号，观察其频谱形态，测量其多种血流动力学参数，因此，CDFI已经广泛应用到心血管、腹部大血管、四肢血管当中成为评价血管的优选检查手段。目前，CDFI在SMA的应用当中主要以研究其主干为主，

8、有多名学者对肠系膜上动脉主干与腹主动脉