与男性相比,健康的女性表现出更多的实验诱导的中央敏感性
Alexandros Guekos1,2, Janis Saxer1,3, Diego Salinas Gallegos1,4,5
1Integrative Spinal Research, Department of Chiropractic Medicine, Balgrist University Hospital, University of Zurich, Zurich, Switzerland.
Pain
|May 5, 2025
概括
健康的女性比男性表现出更明显的中央敏感化 (CS) 过程,这可能解释了她们更高的慢性疼痛患病率. 客观测量显示女性背部角CS更大,而主观测量则表明女性背脊上影响更大.
科学领域:
- 神经科学是一个神经科学.
- 疼痛研究 疼痛研究
- 人体生理学 人体生理学
背景情况:
- 女性比男性更频繁地经历慢性疼痛疾病.
- 中央敏感性 (CS) 是一个关键的疼痛机制,在性别之间可能有所不同.
- 目前尚不清楚CS是否在健康女性中比男性更明显.
研究的目的:
- 在健康个体中实验诱导的中央敏感化 (CS) 中调查性别差异.
- 为了比较男性和女性之间的主观和客观的CS指标.
主要方法:
- 对66名健康受试者 (33名女性) 实施了热CS诱导协议和假协议.
- 主观的CS代理包括二次机械超痛症 (SMH) 的空间范围和动态机械全力学.
- 客观的CS代理程序包括通过电肌谱的感知性戒断反射大小 (NWR-M) 和响应率 (NWR-RR).
主要成果:
- 在女性中,CS诱导协议对SMH的影响更大 (效果大小为2.11),而不是男性 (1.68).
- 在女性 (0.31-0.36),但不是男性 (0.12-0.29) 的NWR-M是统计学上显著的.
- 在CS诱导后,女性比男性显著增加了直骨 femoris 的NWR-RR.
结论:
- 背角CS过程在健康的女性中显得比男性更明显.
- 较大的脊上影响可能会导致在主观CS测量中观察到的性别差异.
- 在实验诱导的CS中,这些性别差异可能是女性更容易受到慢性疼痛的原因.
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