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Acupoints sensitization in people with and without chronic low back pain:A matched-sample cross-sectional study
Journal of Back and Musculoskeletal Rehabilitation ( IF 1.6 ) Pub Date : 2022-07-15 , DOI: 10.3233/bmr-210297
Huijuan Tan , Steve Tumilty , Cathy Chapple , Lizhou Liu , Rani Othman , G. David Baxter

BACKGROUND: Acupoints are considered a dynamic functional area, which can reflect the internal condition of the body. In pathological states, disease-related acupoints are believed to be activated, which is known as acupoint sensitization. OBJECTIVE: This study aimed to investigate the major manifestations of acupoint sensitization in patients with chronic low back pain (cLBP) to provide better understanding of acupoint sensitization phenomena in the context of cLBP. METHODS: This study was a matched-sample cross-sectional study 16 participants diagnosed with cLBP and 16 healthy controls matched in age, sex, and ethnicity were included. The following aspects of sensitization phenomena of targeted points were compared: pressure pain threshold (PPT), skin temperature, surface electrical conductance, receptive field, and morphological change of skin. RESULTS: PPT at points of interest were significantly lower in cLBP participants compared with healthy controls (P< 0.05); in addition, receptive field was found to be larger at left BL 23 in cLBP participants (P< 0.05). There was no statistically significant difference in skin temperature, electrical conductance, or morphology between the two groups. CONCLUSIONS: Reduced PPT at all detected points and enlarged receptive field at left BL 23 were found in cLBP participants. These two features appear key in defining acupoint sensitization in cLBP, and provide evidence for selecting and locating acupuncture points in future clinical studies.

中文翻译:

有和没有慢性腰痛的人的穴位致敏:一项匹配样本横断面研究

背景:穴位被认为是一个动态的功能区,可以反映人体的内部状况。在病理状态下,与疾病相关的穴位被认为被激活,这被称为穴位致敏。目的:本研究旨在探讨慢性腰痛 (cLBP) 患者穴位致敏的主要表现,以更好地了解 cLBP 背景下的穴位致敏现象。方法:这项研究是一项匹配样本横断面研究,包括 16 名被诊断患有 cLBP 的参与者和 16 名年龄、性别和种族匹配的健康对照者。比较靶向点致敏现象的几个方面:压痛阈值(PPT)、皮肤温度、表面电导、感受野、皮肤形态变化。结果:与健康对照组相比,cLBP 参与者的兴趣点 PPT 显着降低(P < 0.05);此外,发现 cLBP 参与者左侧 BL 23 的感受野更大 (P < 0.05)。两组之间的皮肤温度、电导率或形态没有统计学上的显着差异。结论:在 cLBP 参与者中发现所有检测点的 PPT 降低和左侧 BL 23 的感受野扩大。这两个特征似乎是定义 cLBP 穴位致敏的关键,并为未来临床研究中选择和定位穴位提供了证据。在 cLBP 参与者中发现左侧 BL 23 的感受野更大 (P < 0.05)。两组之间的皮肤温度、电导率或形态没有统计学上的显着差异。结论:在 cLBP 参与者中发现所有检测点的 PPT 降低和左侧 BL 23 的感受野扩大。这两个特征似乎是定义 cLBP 穴位致敏的关键,并为未来临床研究中选择和定位穴位提供了证据。在 cLBP 参与者中发现左侧 BL 23 的感受野更大 (P < 0.05)。两组之间的皮肤温度、电导率或形态没有统计学上的显着差异。结论:在 cLBP 参与者中发现所有检测点的 PPT 降低和左侧 BL 23 的感受野扩大。这两个特征似乎是定义 cLBP 穴位致敏的关键,并为未来临床研究中选择和定位穴位提供了证据。
更新日期:2022-07-20
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