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An Emerging Dimension in Psychosomatic Research: The Nocebo Phenomenon in the Management of Chronic Pain

机译:心身研究的新兴领域:慢性疼痛管理中的Nocebo现象

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摘要

Introduction. The nocebo effect consists in delivering verbal suggestions of negative outcomes so that the subject expects clinical worsening. Several studies indicate that negative verbal suggestions may result in the amplification of pain. Amplification style is one of the most important dimensions in psychosomatic research. Methods. One group of pain therapy unit patients was evaluated at baseline and again after 6 months from the beginning of the pain treatment. Results. Only 43% of 86 chronic pain patients respond positively to the expectation of sham pain. This group shows at baseline higher pain intensity (t value: 2.72, P = 0.007) and lower cold pain threshold (t value: 2.18, P = 0.03) than the group of subjects with any response to sham pain stimulus. Somatoform dimensions influence positively the strength of nocebo response in those predisposed to it. Conclusion. Our study shows that the power of the nocebo phenomenon seems to be a dimension belonging to the investigation in psychosomatic. In contrast to what one might expect, the presence of the nocebo phenomenon affects positively pain relief and the outcome of pain treatment. In a clinical setting, and the meaning of nocebo response does not seem to be different from placebo response.
机译:介绍。 Nocebo效应在于提供负面结果的口头建议,从而使受试者预期临床恶化。多项研究表明,负面的口头建议可能会导致疼痛加剧。放大样式是心身研究中最重要的方面之一。方法。从基线开始评估一组疼痛治疗单位患者,并从疼痛治疗开始六个月后再次评估。结果。在86名慢性疼痛患者中,只有43%的人对假疼痛的期望产生了积极的反应。与对假痛刺激有任何反应的受试者组相比,该组在基线时显示较高的疼痛强度(t值:2.72,P = 0.007)和较低的冷痛阈值(t值:2.18,P = 0.03)。体形尺寸对易患nocebo反应的强度产生积极影响。结论。我们的研究表明,nocebo现象的力量似乎是心身研究的一个维度。与人们可能期望的相反,nocebo现象的存在对疼痛的缓解和疼痛治疗的结果产生积极影响。在临床环境中,nocebo反应的含义似乎与安慰剂反应并无不同。

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