持续的中间动脉患病率:一个尸体研究
Paul Tran1, Dallas Bennett1, Elizabeth A Eversole1
1Anatomy, Tilman J. Fertitta Family College of Medicine, Houston, USA.
Cureus
|February 16, 2026
概括
持续的中枢动脉 (PMA) 在前臂的12.7%中发现,经常穿透中枢神经. 了解PMA的患病率和方向,是手腕道综合征诊断和治疗的关键.
科学领域:
- 人体解剖学 解剖学 解剖学
- 胚胎学 胚胎学
- 血管生物学 血管生物学
背景情况:
- 持续的中间动脉 (PMA) 是一个胚胎残留物.
- 它靠近中枢神经 (MN),与神经压缩综合征和手部功能障碍有关.
- 现有的文献显示,PMA的流行数据各不相同.
研究的目的:
- 为了确定持久性中枢动脉 (PMA) 的患病率.
- 分析PMA与中枢神经 (MN) 相对的方向.
- 将发现与现有文献进行比较.
主要方法:
- 102个人类尸体前臂的剖析.
- 识别和记录PMA的流行率和方向.
- 测量PMA光层厚度,并与先前的研究进行比较.
主要成果:
- PMA的流行率为12.7% (13/102). 在美国,PMA的流行率为12.7% (13/102).
- 常见的方向包括前穿刺 (61.5%),侧穿刺 (30.8%) 和中间穿刺 (7.7%).
- 单边PMA (9/13) 比双边 (4/13) 更频繁,平均直径为0.45 ± 0.15毫米.
结论:
- 研究结果与以前的研究一致,特别是前穿孔PMA的流行率.
- PMA的患病率处于之前研究报告的范围之内.
- 了解PMA的患病率,位置和方向对于管理手腕道压缩和手术结果至关重要.
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