高分辨率磁共振成像评估椎动脉夹层的显示效果分析
作者:
作者单位:

(南阳医学高等专科学校医学技术系,河南省南阳市 473000)

作者简介:

乔庆军,硕士,讲师,研究方向为物理学研究与教学,E-mail为hlqy36@163.com。


Display effect analysis of high-resolution magnetic resonance imaging in evaluating vertebral artery dissection
Author:
Affiliation:

Department of Medical Technology, Nanyang Medical College, Nanyang, Henan 473000, China)

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    摘要:

    目的 探讨高分辨率磁共振成像(HR-MRI)在评估椎动脉夹层(VAD)方面对血管腔、血管壁结构及成分的显示效果。 方法 回顾性纳入2012年1月至2016年4月连续就诊且完成数字减影血管造影、磁共振血管造影、磁共振成像(MRI)和HR-MRI的5例VAD患者作为研究对象,比较和分析HR-MRI对VAD的诊断价值。 结果HR-MRI能确定以下内容:(1)椎动脉粥样硬化斑块由大量脂质核心组成;(2)VAD内存在大面积的“假腔”和完全塌陷的“真腔”;(3)HR-MRI能有效区分先天性椎动脉发育不全和动脉粥样硬化斑块。此外,基于经典MRI的病因诊断,在HR-MRI扫描后,2例患者加入了降脂药物治疗,2例患者在短时间内使用双重抗血小板药物。 结论 将HR-MRI应用于VAD患者的诊断中,能更详细地阐明受影响血管壁的状况,有助于临床医师更好识别个体患者的发病机制并选择最佳治疗药物。

    Abstract:

    Aim To investigate the display effect of high-resolution magnetic resonance imaging (HR-MRI) on the evaluation of vascular lumen, vascular wall structure and composition in vertebral artery dissection (VAD). Methods 5 patients with VAD who were completed with digital subtraction angiography, magnetic resonance angiography, magnetic resonance imaging (MRI) and HR-MRI were enrolled retrospectively from January 2012 to April 2016 in this study.The diagnostic value of HR-MRI for VAD was compared and analyzed. Results HR-MRI could determine the following:(1)The atherosclerotic plaque of vertebral artery was composed of a large number of lipid core; (2)There was a large area of “false cavity” and completely collapsed “true cavity” in VAD; (3)HR-MRI could effectively distinguish congenital vertebral artery hypoplasia and atherosclerotic plaque. In addition, based on the etiological diagnosis of classic MRI, after HR-MRI scan, 2 patients were treated with lipid-lowering drugs, and 2 patients were treated with dual antiplatelet drugs in a short period of time. Conclusion The application of HR-MRI in the diagnosis of VAD patients can explain the condition of the affected vessel wall in more detail, which can help doctors better identify the pathogenesis of individual patients and select the best therapeutic drug.

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乔庆军.高分辨率磁共振成像评估椎动脉夹层的显示效果分析[J].中国动脉硬化杂志,2017,25(11):1163~1168.

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  • 收稿日期:2017-04-20
  • 最后修改日期:2017-07-29
  • 在线发布日期: 2017-11-28