后交通动脉开放与椎动脉颅内段发育间关系的MRA研究

中国临床解剖学杂志 ›› 2012, Vol. 30 ›› Issue (2): 189-192.

后交通动脉开放与椎动脉颅内段发育间关系的MRA研究

陈　莉，　吕发金，　姚开情，　李剑秋，　勒都晓兰

重庆医科大学附属第一医院放射科，重庆 400016

收稿日期:2011-07-26 出版日期:2012-03-25 发布日期:2012-04-17
通讯作者: 吕发金，主任医师，硕士生导师，Tel:13996422114， E-mail：fajinlv@163.com E-mail:chenliidea@sina.com
作者简介:陈　莉（1979-），女，重庆石柱人，在读硕士，讲师，工作单位川北医学院，主要从事神经系统影像学研究，Tel:18681721333

MRA study on the relationship between posterior communicating artery and the development of intracranial segment of vertebral artery

CHEN Li, Lü Fa-jin, YAO Kai-qing, LI Jian-qiu, LEDU Xiao-lan

Department of Radiology, the First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China

Received:2011-07-26 Online:2012-03-25 Published:2012-04-17

摘要/Abstract

摘要：

目的　探讨后交通开放情况与椎动脉颅内段发育之间的关系。方法　回顾性分析了115例3.0T磁共振血管成像（MRA）体检者。观察双侧椎动脉发育与双侧后交通动脉开放情况，测量椎动脉颅内段管径及后交通动脉的长度与管径，分析二者的相关性。结果　 ①右侧椎动脉发育不良占39.13%（45/115），缺如占0.87%（1/115），左侧椎动脉发育不良占15.65%（18/115），双侧椎动脉同时发育不良占2.61%(3/115)。②单侧或双侧后交通动脉开放72例，双侧同时开放35例，仅左侧开放23例，仅右侧开放14例。③椎动脉颅内段发育不良与后交通动脉开放相关（r=0.677，P=0.000）。结论　椎动脉颅内段发育不良可引起后交通动脉代偿性开放。

关键词: 椎动脉, 后交通动脉, 磁共振血管造影术

Abstract:

Objective To investigate the relationship between the posterior communicating artery (PCoA) and the development of intracranial segment of vertebral artery.　Methods　A total of 115 subjects underwent 3.0 T magnetic resonance angiographic (MRA) were involved in this study. The development of vertebral artery and the state of PCoA were observed. The diameter of intracranial segment of vertebral artery, the diameter and length of PCoA were measured. As well, the correlation between them was analyzed.　Results　①the frequency of hypoplastic left and right vertebral arteries were respectively 15.65% (18/115) and 39.13%（45/115）, and the absence of the right vertebral artery were in 0.87%（1/115）, the hypoplasia of bilateral vertebral artery were in 2.61%(3/115). 72 patients demonstrated single or bilateral development of the posterior communicating artery, among them 35 cases were bilateral developed, 23 were the left and 14 were the right developed. ③The developing of PCoA was correlated with the development of intracranial segment of vertebral artery（r=0.677，P=0.000）.　Conclusions　The hypoplasia of intracranial segment of vertebral artery leads to the compensatory developing of the posterior communicating artery.

Key words: Vertebral artery, Posterior communicating artery, Magnetic resonance angiography

中图分类号:

R322
R814.42

陈莉, 吕发金, 姚开情, 李剑秋, 勒都晓兰. 后交通动脉开放与椎动脉颅内段发育间关系的MRA研究[J]. 中国临床解剖学杂志, 2012, 30(2): 189-192.

CHEN Chi, LV Fa-Jin, TAO Kai-Qing, LI Jian-Qiu, LE Dou-Xiao-Lan. MRA study on the relationship between posterior communicating artery and the development of intracranial segment of vertebral artery[J]. Chinese Journal Of Clinical Anatomy, 2012, 30(2): 189-192.

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