锁骨下动脉重度狭窄或闭塞后盗血程度与脑缺血临床表现关系分析

Association between cerebral ischemia and steal phenomena in patients with serious stenosis or occlusion of subclavian artery

目的 对锁骨下动脉狭窄或闭塞所致的颅内盗血程度与脑缺血临床表现进行分析,探讨二者之间的关系.方法 将60例锁骨下动脉重度狭窄或闭塞患者依据其临床表现分为有脑缺血表现组（43例）和无脑缺血表现组（17例）,对所有患者进行经颅多普勒检查,记录椎动脉盗血程度及基底动脉、大脑后动脉是否参与盗血,对2组盗血程度进行统计学分析.结果 有脑缺血表现组无盗血、基底动脉盗血分别为1例（2.33%）、18（41.86%）,与无脑缺血表现组[分别为3例（17.64%）、1例（5.88%）]比较差异有统计学意义（均P＜0.05）.2组间椎动脉程度与大脑后动脉盗血差异无统计学意义（P＞0.05）.结论 锁骨下动脉重度狭窄或闭塞后脑缺血表现与基底动脉参与盗血有关,与椎动脉盗血程度无关.

Objective To study the association between the clinical performance of cerebral ischemia and steal phenomena in patients with serious stenosis or occlusion of in subclavian artery. Methods All 60 patients were divided into two groups based on the clinical performance of cerebral ischemia. Transcranial dopple （TCD） detection was carried out in all patients. The type of steal phenomena in vertebral artery, basilar artery and posterior artery was recorded. Results The number of no steal phenomena and the steal phenomena in basilar artery was significantly different in two groups （ P 〈 0.05 ） and there were no significant difference in other type of steal phenomena between two groups （P 〉 0. 05）. Conclusion The clinical performance of cerebral ischemia is associated with the steal phenomena in basilar artery and may have no association with the degree of steal phenomena in vertebral artery.