研究 10 分钟和 20 分钟的沉浸式虚拟现实对慢性背痛患者的症状、情感和中枢敏感性的影响差异

IF 3.2 Q2 COMPUTER SCIENCE, SOFTWARE ENGINEERING Frontiers in virtual reality Pub Date : 2023-11-24 DOI:10.3389/frvir.2023.1260313
Nancy A. Baker, A. Polhemus, Megan Kenney, Rina Bloch, Nathan Ward, James Intriligator, Robert Edwards
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引用次数: 0

摘要

沉浸式虚拟现实(IVR)越来越多地被用作慢性疼痛的治疗方法。在这项交叉随机试验研究中,我们考察了 10 分钟和 20 分钟剂量对慢性背痛(CBP)患者背痛强度、情感和痛觉敏感度的影响。21 名 CBP 患者接受了两次 IVR 治疗。参与者被随机分配在就诊 1 期接受 10 或 20 分钟的 IVR 治疗,在就诊 2 期接受另一种剂量的治疗。我们的主要分析是疼痛强度、情感、疲劳和使用定量感觉测试评估的痛觉敏感度的效应大小和简单推理比较。总体而言,IVR 在减轻背部疼痛强度、负面情绪和疼痛后感觉方面具有中等程度的显著效果。如果对剂量进行研究,20 分钟对疼痛有中等程度的显著效果,而 10 分钟的效果很小,但剂量之间的差异并不显著。有趣的是,第 1 次就诊时的疗效要大得多,尤其是 20 分钟,但到了第 2 次就诊时,疗效就减弱了,而且在第 2 次就诊时,两种剂量的疗效都较小。我们对这些结果的解释是,疼痛调节可能与新奇感和参与度有关,如果 IVR 体验不够吸引人,这种新奇感和参与度会随着时间的推移而减弱。此外,如果参与者参与了单次治疗,可能需要 20 分钟才能充分胜任 IVR,而在随后的治疗中,10 分钟的 IVR 可能就足以影响疼痛。
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Examining the difference between 10- and 20-min of immersive virtual reality on symptoms, affect, and central sensitization in people with chronic back pain
Immersive virtual reality (IVR) is increasingly used as a treatment for chronic pain. In this crossover randomized pilot study, we examined the effect of 10- and 20-min dosages on back pain intensity, affect, and measures of pain sensitization in people with chronic back pain (CBP). Twenty-one people with CBP were seen for two visits of IVR. Participants were randomly assigned to receive either 10- or 20-min of IVR in Visit 1 and the other dosage in Visit 2. Our primary analyses were effect sizes and simple inferential comparisons for pain intensity, affect, fatigue, and measures of pain sensitization assessed using quantitative sensory testing. Overall, IVR had a moderate, significant effect in reducing back pain intensity, negative affect, and painful aftersensations. When dosage was examined, 20-min had a moderate, significant effect on pain while 10-min had a small, non-significant effect, although the between-dosage difference was non-significant. Interestingly, effects were much larger in Visit 1, particularly for 20-min, but this diminished in Visit 2, and both dosages had a smaller effect in Visit 2. We interpret these results to indicate that pain modulation may be associated with novelty and engagement that can attenuate over time if the IVR encounter is not sufficiently engaging. Moreover, that if participants are engaged in a single session, 20-min may be necessary to obtain sufficient competency with IVR, while in subsequent sessions, 10-min of IVR may be sufficient to affect pain.
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审稿时长
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