多层螺旋CT血管造影对后循环缺血的诊断价值  

Diagnostic value of multi-slice CT angiography for the posterior circulation ischemia

作　　者：贾梅霞[1] 牛玉军[1] 曹阿丹[1] 刘宁[1] 赵坤[1] 冷冰[1] 

机构地区：[1]辽宁医学院,辽宁锦州121001

出　　处：《山东医药》2012年第15期31-33,共3页Shandong Medical Journal

摘　　要：目的探讨多层螺旋CT血管造影(MSCTA)诊断后循环缺血的价值。方法对155例后循环缺血患者MRA确诊后7 d内行头颈部MSCTA检查,其中15例同时行数字减影血管造影(DSA)检查。结果 155例中95例共发现血管狭窄99处,狭窄位置清晰可见。发现血管狭窄系颈椎增生压迫所致4例,椎动脉血管变异所致3例;56例右侧椎动脉较对侧明显变细,呈明显左优势动脉(其中12例伴有一支椎动脉或基底动脉狭窄)。与DSA检查结果比较,CTA对诊断血管狭窄的灵敏度为94.73%,特异度为100%,Kappa值为93.0%。结论 MSCTA对后循环缺血、椎基底动脉狭窄病变具有重要的诊断价值。Objective To investigate the value of multi-slice CT angiography （MSCTA） for the diagnosis of posterior circulation. Methods One hundred and fifty-five cases of posterior circulation ischemia diagnosed by MRA were chosen, and took MSCTA examination in 7 days, 15 cases simultaneously took the digital subtraction angiography （DSA） examination. Results Ninety-nine visible stenosis was found in 95 cases, and the stenositic sites were clearly visible. Four of the stenosis was caused by the hyperplasia of cervical vertebra, 3 caused by blood vessel variation of vertebral artery; right ver- tebral artery of 56 cases was significantly thinner than the contralateral, showed obviously left artery （in which 12 patients showed a vertebral artery or basilar artery stenosis of different degrees）. Compared with the results of DSA （ 15 cases）, MSCTA diagnosed the stenosis with the sensitivity of 94.73%, specificity of 100%, Kappa value of 93.0%. Conclusion MSCTA has important diagnostic value for posterior circulation ischemia, vertebrobasilar artery stenosis.

关 键 词：体层摄影术 X线计算机 后循环缺血 椎动脉 数字减影血管造影 

分 类 号：R541[医药卫生—心血管疾病]