双源CT血管成像技术对椎-基底动脉供血不足病因的诊断价值

山东大学学报(医学版)

双源CT血管成像技术对椎-基底动脉
供血不足病因的诊断价值

龙娜，刘亚群，李笃民，崔凤玉

（山东大学齐鲁医院放射科，济南 250012)

收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2009-02-16 发布日期:2009-02-16
通讯作者: 刘亚群

Evaluation of dual source CT angiography in diagnosis of
etiopathogenisis in vertebrobasilar artery insufficiency

LONG Na, LIU Yaqun, LI Dumin, CUI Fengyu

(Department of Radiology, Qilu Hospital of Shandong University, Jinan 250012, China)

Received:1900-01-01 Revised:1900-01-01 Online:2009-02-16 Published:2009-02-16
Contact: LIU Yaqun

摘要/Abstract

摘要： 目的利用双源CT血管造影技术（DSCTA）观察椎-基底动脉常见病变，探讨双源CT血管成像对椎-基底动脉供血不足（VBI）病因的诊断价值。方法应用双源CT对43例临床拟诊为VBI的患者行椎-基底动脉CTA检查，原始数据于高级后处理工作站MMWP8818进行重建后处理，并利用相关分级法对椎-基底动脉进行评价。结果43例患者86支椎动脉中有6例12支椎动脉显示正常。余37例74支椎动脉中，局限性狭窄27支，其中粥样硬化斑块所致21支,颈椎增生压迫所致6支；迂曲18支；先天变异14例18支；椎动脉瘤1支。部分椎动脉合并两种以上病变。通过DSCTA检查，43例拟诊VBI患者中37例明确了病因（约占86%）。其中16例患者同时与数字减影血管造影（DSA）检查进行对照，对局限性狭窄的显示，CTA的灵敏度为84.6%，特异度为94.7%。结论DSCTA各种后处理功能联合应用，对显示椎-基底动脉病变有明显优势，可作为VBI的常规影像检查方法。

关键词: 椎动脉, 体层摄影术,X线计算机, 血管造影术

Abstract: To investigate the diagnostic value of dual source CT angiography (DSCTA) on etiopathogenisis of vertebrobasilar artery insufficiency (VBI) by utilizing DSCTA to display pathological changes of vertebrobasilar arteries. Methods43 patients suspected of vertebrobasilar artery insufficiency（VBI）were subjected to DSCTA. Then the original data were transported to the workstation MMWP8818 for restitution postprocessing. The vertebrobasilar arteries were evaluated by correlated grading rules. ResultsOf the 86 vertebral arteries in 43 patients, 12 arteries in 6 patients were normal. Of the 74 arteries in 37 patients, 27 arteries had stenosis, in which 21 arteries were caused by scleratheroma plaque and 6 arteries by cervical vertebrae oppression, 18 arteries had circuity, 18 arteries had inborn variation, and 1 artery had an aneurysm. Some of the arteries had more than two kinds of pathological changes. By DSCTA, 37 of 43 patients had etiopathogenisis (86%). In a contrast analysis between DSCTA and DSA, the coincidence rate of vertebral stenosis with DSCTA in sensitivity and specificity was 84.6% and 94.7%. ConclusionDSCT angiography has conspicuous superiority in displaying the pathological changes of vertebrobasilar arteries by various kinds of postprocessing skills, and DSCT angiography may become a conventional imaging examination for VBI.

Key words: Vertebral artery, Tomography,Xray computed, Angiography

中图分类号:

R816.1

龙娜，刘亚群，李笃民，崔凤玉
. 双源CT血管成像技术对椎-基底动脉
供血不足病因的诊断价值[J]. 山东大学学报(医学版), 2009, 47(02): 30-33.

LONG Na, LIU Yaqun, LI Dumin, CUI Fengyu
. Evaluation of dual source CT angiography in diagnosis of
etiopathogenisis in vertebrobasilar artery insufficiency [J]. JOURNAL OF SHANDONG UNIVERSITY (HEALTH SCIENCES), 2009, 47(02): 30-33.

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