Outcome Expectancies, Effects, and Mechanisms of Brief Training in Mindfulness Meditation vs. Loving-Kindness Meditation vs a Control Condition for Pain Management: A Randomized Pilot Study.

IF 0.9 Q3 ANESTHESIOLOGY Journal of Pain & Palliative Care Pharmacotherapy Pub Date : 2024-09-01 Epub Date: 2023-01-09 DOI:10.1080/15360288.2022.2141944
Melissa A Day, Natasha Matthews, Jonathan N Davies, Claire Walker, Nicola Bray, Jeffrey Kim, Mark P Jensen
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Abstract

This study investigated the analgesic effects of a single session of mindfulness meditation (MM) and loving-kindness meditation (LKM) relative to a control. A total of 100 adults with chronic or current problematic pain completed a survey and were randomized to a 20-minute MM, LKM, or audiobook control. Co-primary outcomes of pain intensity and unpleasantness and mediators of mindfulness and self-compassion were assessed pre- and posttraining. Expectancies were assessed pretraining. Pain type (chronic vs current problematic) was a covariate. Relative to the control, higher expectancies were reported for MM and LKM (P < .001). MM (d = 0.41, P = .032) and LKM (d = 0.38, P = .027) had medium effects on pain intensity, with greater decreases than control (d = 0.05, P = .768). All conditions had small effects on unpleasantness. Mindful observing increased more within MM (d = 0.52, P = .022) and the control (d = 0.50, P = .011) than LKM (d = 0.12, P = .50); self-compassion increased more in LKM (d = 0.36, P = .042) than MM (d = 0.27, P = .201) and the control (d = 0.22, P = .249). The mediation models were nonsignificant. Pain type was a nonsignificant covariate. Overall, MM and LKM were associated with positive expectancies and small-medium pain intensity reductions, which did not differ by pain type. Although MM and LKM were associated with changes in theorized mediators, these changes did not underlie improvement.

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正念冥想与爱-善念冥想简短训练与疼痛管理对照条件的结果预期、效果和机制:随机试验研究
本研究调查了单节正念冥想(MM)和慈爱冥想(LKM)相对于对照组的镇痛效果。共有 100 名患有慢性疼痛或目前有疼痛问题的成年人完成了调查,并被随机分配到 20 分钟的正念冥想、LKM 或有声读物对照组中。对疼痛强度和难受程度的共同主要结果以及正念和自我同情的中介因素进行了培训前和培训后评估。培训前对期望值进行了评估。疼痛类型(慢性疼痛与当前问题性疼痛)是一个协变量。与对照组相比,MM 和 LKM 的期望值更高(P < .001)。MM(d = 0.41,P = 0.032)和 LKM(d = 0.38,P = 0.027)对疼痛强度有中等程度的影响,比对照组(d = 0.05,P = 0.768)有更大的降低。所有条件对不愉快感都有微小影响。与 LKM(d = 0.12,P = .50)相比,MM(d = 0.52,P = .022)和对照组(d = 0.50,P = .011)的正念观察增加得更多;与 MM(d = 0.27,P = .201)和对照组(d = 0.22,P = .249)相比,LKM(d = 0.36,P = .042)的自我同情增加得更多。中介模型不显著。疼痛类型是一个不显著的协变量。总体而言,MM 和 LKM 与积极的预期和小到中等的疼痛强度降低有关,这在疼痛类型上没有差异。虽然 MM 和 LKM 与推测的中介因子的变化有关,但这些变化并不是改善的基础。
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CiteScore
1.60
自引率
9.10%
发文量
40
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