摘要
目的探讨急性缺血性卒中患者不同程度颈动脉狭窄与头部磁共振血管成像(MRA)眼动脉显示率之间的关系。方法缺血性卒中患者205例,颈动脉超声明确颈动脉狭窄程度,头部3D-TOF MRA观察眼动脉是否显示。计算不同颈动脉狭窄程度下头部MRA眼动脉的显示率,并对颈动脉狭窄的相关因素进行分析。结果颈动脉狭窄<30%者329侧,头部MRA眼动脉显示率为98.2%,颈动脉狭窄率30%～69%者52侧,眼动脉显示率为78.8%。颈动脉狭窄率≥70%者29侧,眼动脉显示率为44.8%,其中颈动脉完全闭塞为7侧,头部MRA均未见同侧眼动脉显示。本研究发现颈动脉狭窄的主要危险因素是糖尿病(OR 2.033,95%CI 1.053～3.928,P=0.035)和血浆同型半胱氨酸水平增高(OR 1.09,95%CI 1.038-1.145,P=0.001)。结论头部MRA眼动脉显示率随颈动脉狭窄程度增高而降低。糖尿病和高同型半胱氨酸血症是颈动脉狭窄的危险因素。
Objective To investigate the relationship between ocular artery(OA) visualization rate on head MRA and degree of carotid stenosis in patients with acute ischemic stroke.Methods 205 patients with acute ischemic stroke were included.Carotid ultrasound Doppler was used to measure the stenosis of both laterals of carotid arteries of each patient.3D-TOF MRA of the head was used to detect the ocular arteries.The visualization rate of OA in patients with different degrees of carotid stenosis was calculated.Besides,related factors of carotid stenosis were analyzed.Results In patients with carotid stenosis rate of less than 30%,329 OA were visualized,visualization rate of OA was 98.2%.Fifty-two OA were visualized in patients with carotid stenosis rate of 30%~69%,visualization rate of OA was 78.8%.Twenty-nine OA were visualized in patients with carotid stenosis rate of more than 70%,visualization rate of OA was 44.8%.Within them,7 carotid arteries were found completely occluded,no OA was visualized in same lateral of occluded carotid arteries.Logistic regression analysis indicated that diabetes and high plasma homocysteic acid(Hcy) level were risk factors of carotid stenosis with OR 2.033,95% CI 1.053～3.928,P=0.035 for diabetes and OR 1.09,95% CI 1.038～1.145,P=0.001 for Hcy respectively.Conclusion Visualization rate of OA on head MRA decreases with the increase of the degree of carotid stenosis.Diabetes and hyperhomocysteinaemia were risk factors of carotid stenosis.
出处
《中风与神经疾病杂志》
CAS
CSCD
北大核心
2011年第9期806-808,共3页
Journal of Apoplexy and Nervous Diseases
