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Peripheral Arterial Disease II: Clinical Manifestations and Diagnostic Evaluation01:21

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Clinical manifestationsPeripheral Arterial Disease (PAD) manifests through a range of symptoms, from the characteristic intermittent claudication to atypical presentations and severe complications in advanced stages. Intermittent claudication, a hallmark symptom of PAD, presents as exercise-induced muscle pain that typically resolves within minutes of rest. This pain is reproducible and stems from inadequate blood flow, leading to the accumulation of lactic acid produced during anaerobic...
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Peripheral artery disease (PAD) predominantly results from atherosclerosis, which involves the accumulation of fatty deposits, or plaques, within the walls of arteries. This causes them to narrow and harden, significantly reducing blood flow. PAD predominantly affects the legs, particularly the arteries supplying the thighs and calves. In rare cases, it may involve other arteries, including those in the arms.Etiology of PAD:The principal cause of PAD is atherosclerosis, which results from fatty...
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Thoracic, aortic arch and abdominal aneurysms are significant vascular conditions that can present with various clinical manifestations and lead to serious complications. Understanding these manifestations and the appropriate diagnostic studies is essential for effective management and treatment.Thoracic Aortic AneurysmsThoracic aortic aneurysms often remain asymptomatic until they reach a size that impinges on adjacent structures. They typically cause deep, diffuse chest pain that radiates to...
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Updated: Feb 17, 2026

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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
PubMed
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.

关键词:
两生中枢神经神经.卡尔帕道的道.中间神经的中间神经.在这里,MN MN MN持续的中枢动脉持续性这就是PMA的PMA.

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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.