关于中脑动脉分支模式及其变异的研究:系统性审查和元分析
Debajani Deka1, Malamoni Dutta1, Rashmi Rekha Bordoloi2
1Department of Anatomy, Pragjyotishpur Medical College and Hospital, Guwahati, Assam, India.
Annals of African medicine
|March 4, 2026
概括
了解中脑动脉 (MCA) 解剖学对于神经血管程序至关重要. 本研究详细介绍了MCA分支变异和细分尺寸,为外科规划和患者安全提供了必要的数据.
科学领域:
- 神经解剖学是一个神经解剖学.
- 血管神经学 血管神经学
- 神经外科 神经外科
背景情况:
- 中脑动脉 (MCA) 非常重要,为大脑供应80%的血液流动,包括运动和感觉皮层区域.
- 准确的MCA解剖学知识对于预防神经血管干预过程中的并发症至关重要,如血栓溶解,血管学和支架插入.
研究的目的:
- 综合描述中脑动脉 (MCA) 的解剖变异和形态特征.
- 为改善神经外科和内血管手术规划提供MCA分支模式和细分尺寸的详细数据.
主要方法:
- 分析MCA分支模式,包括二叉,三叉和四叉.
- 测量M1,M2和M3段的长度和直径,根据性别,侧面和动脉瘤状况进行比较.
- 识别和分类辅助MCA来源和MCA窗口缺陷.
主要成果:
- 常见的MCA终结变异是:双叉 (64.70%),三叉 (12.35%) 和四叉 (2.35%).
- 在两性,半球之间以及与动脉瘤相关的M1段体积,长度和直径中观察到显著差异.
- M2和M3细分直径也表现出差异,左侧有较大的直径,女性则为M2.
结论:
- 该研究强调了MCA分支和尺寸的显著解剖变异性,这对干预医生至关重要.
- 关于MCA段 (M1,M2,M3) 的详细形态测量数据为神经外科规划和风险评估提供了宝贵的见解.
- 了解这些解剖细微差别,包括窗和辅助动脉,可以提高脑血管手术的安全性和有效性.
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