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首页> 外文期刊>Psychosomatic Medicine: Journal of the American Psychosomatic Society >Effect of written emotional disclosure on secondary hyperalgesia in women with trauma history
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Effect of written emotional disclosure on secondary hyperalgesia in women with trauma history

机译：书面情感披露对有外伤史的女性继发性痛觉过敏的影响

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OBJECTIVE: This study investigated the effects of written emotional disclosure on a model of chronic pain in healthy women with and without trauma history. METHOD: Participants were prescreened for their trauma history (N = 78) and randomized to a disclosure or a control writing condition. Pain testing occurred either 1 day or 1 month after disclosure. Capsaicin was applied to the forearm to evoke spontaneous burning pain at the application site and mechanical secondary hyperalgesia in the surrounding untreated skin. RESULTS: As hypothesized, the effect of disclosure on the area and intensity of secondary hyperalgesia depended on trauma history and time of testing (F(1,69) 7.37, p = .008). Disclosure increased secondary hyperalgesia in participants with trauma history compared with those without trauma when testing occurred 1 day after writing (F(1,69) 5.27, p ≤ .025), whereas the opposite pattern was observed 1 month later (F(1,69) 4.88, p ≤ .031). Of the participants with trauma history in the disclosure condition, secondary hyperalgesia was reduced at 1 month compared with 1 day after writing (p = .001). Moreover, greater use of positive emotional words predicted reduced secondary hyperalgesia at 1 month (β =-0.71, p = .022). In contrast, disclosure had no effect on spontaneous pain. CONCLUSIONS: Disclosure modulates secondary hyperalgesia observed in women with trauma history, producing a short-term enhancement and a long-term reduction. This suggests that disclosure has a long-term protective effect that reduces sensitization of pain, which may explain the therapeutic effects of disclosure in patients with chronic pain.
机译：目的：本研究调查了书面情感披露对有或没有创伤史的健康女性慢性疼痛模型的影响。方法：对参与者的创伤史进行预筛查（N = 78），并随机分配至披露或对照写作条件。披露后1天或1个月进行疼痛测试。将辣椒素涂在前臂上，以引起施药部位的自发性灼痛和周围未治疗皮肤的机械性继发性痛觉过敏。结果：如所假设的，披露对继发性痛觉过敏的面积和强度的影响取决于创伤史和测试时间（F（1,69）7.37，p = .008）。写作后1天进行测试时，有外伤史的参与者与没有外伤史的参与者相比，披露的继发性痛觉过敏增加（F（1,69）5.27，p≤.025），而在1个月后观察到相反的情况（F（1， 69）4.88，p≤.031）。在披露条件下有外伤史的参与者中，与书写后1天相比，继发性痛觉过敏在1个月时有所减少（p = .001）。此外，更多地使用积极的情感词语可以预测1个月后继发性痛觉过敏的减少（β= -0.71，p = .022）。相反，披露对自发性疼痛没有影响。结论：披露可调节有外伤史的女性继发性痛觉过敏，可短期增强作用并长期减少。这表明披露具有降低疼痛敏感性的长期保护作用，这可以解释披露对慢性疼痛患者的治疗作用。

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