颈动脉狭窄闭塞性病变后交通支开放与椎动脉起始段狭窄的关系

Journal of Brain and Nervous Diseases(2012)

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Abstract
目的探讨颈动脉狭窄闭塞性病变(≥70%)患者后交通支开放与否与椎动脉起始段狭窄的关系。方法对160例经血管造影证实颈动脉动脉狭窄(≥70%)并行外科治疗(内膜剥脱术、颈动脉支架术)的患者分为后交通支开放组与后交通支未开放组,术前及术后均采用彩色多普勒血流成像(CDFI)检测双侧颈动脉及椎动脉,分别比较两组患者双侧椎动脉起始段狭窄的发生率。结果后交通支开放组椎动脉起始段局部流速术前(后交通支开放)明显高于术后(后交通支关闭)。后交通支关闭前后椎动脉起始段峰值流速(PSV)与舒张末流速(EDV)分别为100.76±74.84cm/s、81.54±54.29 cm/s(P=0.000);后交通支开放患者占50%(80/160),其中椎动脉起始段存在狭窄支数占45.6%(73/160),后交通支未开放患者占50%(80/160),其中椎动脉起始段存在狭窄支数占28.1%(45/160),两者之间存在显著差异(P=0.002)。结论颈动脉狭窄闭塞性病变后交通支开放患者,椎动脉起始段狭窄的发生率显著升高。
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Key words
Posterior communicating artery,Carotid artery ultrasonography,Vertebral artery stenosis,Carotid artery stenosis
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