慢性疼痛患者疼痛变化增加:疼痛灾难性的作用
Mirinda M Whitaker1, Daniel Odell2, Pascal R Deboeck1
1Department of Psychology, University of Utah, Salt Lake City, Utah.
The journal of pain
|February 9, 2024
概括
与对照组相比,慢性疼痛患者疼痛评级的变化更大. 疼痛灾难化显著解释了这种差异,表明疼痛变化可能是一个临床标记.
科学领域:
- 神经科学是一个神经科学.
- 心理学 心理学 心理学
- 疼痛研究 疼痛研究
背景情况:
- 疼痛是一种动态的体验,但疼痛评级的个体内变化往往被忽视.
- 疼痛的变化与疼痛严重程度和抑郁症的增加相关.
- 慢性疼痛中疼痛变化和疼痛灾难化之间的关系仍然未被充分研究.
研究的目的:
- 为了研究慢性疼痛患者和对照人群之间疼痛变异性的差异.
- 检查疼痛灾难化在调节疼痛变异性的作用.
主要方法:
- 招募了30名慢性疼痛患者和22名无疼痛对照.
- 使用了30秒的热疼痛任务与持续疼痛评级.
- 使用个体内标准偏差 (iSD) 和新型衍生方法量化疼痛变异性.
主要成果:
- 慢性疼痛患者的疼痛变化明显高于对照组.
- 发现疼痛灾难化显著调解了慢性疼痛和疼痛变化之间的关系.
- 无论是iSD还是衍生品指标都证实了慢性疼痛患者的疼痛变异性增加.
结论:
- 慢性疼痛患者认为实验性疼痛刺激具有更大的时间变化.
- 疼痛灾难化可能是慢性疼痛中观察到的高度疼痛变异性的基础.
- 短期疼痛变异性显示出作为疼痛评估和治疗的临床标志物的潜力.
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