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Application of intraoperative microvascular Doppler ultrasonography in cerebral aneurysm surgery
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- Author:
- No author available
- Journal Title:
- CHINESE JOURNAL OF NEUROSURGERY
- Issue:
- 11
- DOI:
- 10.3760/j.issn:1001-2346.2007.11.003
- Key Word:
- 颅内动脉瘤;微血管多普勒;血流动力学
Abstract： 目的 探讨微血管多普勒(microvascular Doppler,MVD)在颅内动脉瘤手术中的作用.方法 应用MVD对20例颅内动脉瘤患者(共计21个动脉瘤)进行动脉瘤夹闭前后监测,记录动脉瘤、载瘤动脉及分支的血流速度和频谱,根据MVD检查结果重新调整瘤夹.结果 所有动脉瘤患者均探及瘤体内呈毛刺样、涡流样杂音频谱.15例动脉瘤夹闭的患者中,3例因载瘤动脉或分支血管狭窄而调整动脉瘤夹位置;动脉瘤夹闭术后,瘤体内均未探及血流信号,无音频和频谱显示,证实已被完全夹闭,而载瘤动脉及分支血流频谱波动性良好;8例动脉瘤患者术中运用MVD协助区分巨大动脉瘤和载瘤动脉走行.结论 动脉瘤夹闭术中运用MVD同步进行动脉瘤及载瘤动脉血流动力学监测,可根据检查结果调整动脉瘤夹位置,具有无创、简单易行,安全的特点.建议MVD作为颅内动脉瘤手术的常规监测方法,尤其对瘤颈粗、甚至无明显瘤颈的巨大动脉瘤手术具有指导意义.
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