Department of Kinesiology, Health, and Nutrition, The University of Texas at San Antonio, One UTSA Circle, San Antonio, TX, 78249, USA.
Department of Psychology, The University of Texas at San Antonio, San Antonio, TX, USA.
J Racial Ethn Health Disparities. 2019 Jun;6(3):472-480. doi: 10.1007/s40615-018-00544-x. Epub 2018 Nov 26.
It is well-documented that adults of racial/ethnic minorities experience pain more frequently and suffer from more severe pain compared to non-Hispanic White (NHW) adults. These observations are consistent with laboratory findings that adults of racial/ethnic minorities show increased sensitivity to laboratory pain stimuli compared to NHW adults. Research generally shows that central pain inhibitory processing, as quantified using conditioned pain modulation (CPM), serves as a risk factor of clinical pain. Currently, racial/ethnic differences in CPM are poorly understood, and research suggests that physical activity (PA) may help understand potential racial/ethnic differences in CPM. However, very little is known regarding CPM in Hispanic compared to NHW adults. Therefore, the present study compared CPM and PA between Hispanic and NHW adults. Twenty-one young, healthy Hispanic and 21 NHW adults completed validated questionnaires to assess PA, pain catastrophizing, and dispositional optimism. The participants then completed the CPM test to quantify changes in pain ratings to electrical stimuli delivered to the ankle during concurrent application of pressure pain applied to the finger compared to baseline. Results indicated that Hispanic and NHW adults exhibited comparable CPM responses and PA levels, along with similar levels of pain catastrophizing and dispositional optimism (p > 0.05). These results suggest that young, healthy Hispanic and NHW adults may possess a similar risk of clinical pain when they are comparable in PA, pain catastrophizing, and dispositional optimism. More research is needed to explore the role of PA in racial/ethnic disparities in clinical pain and central pain inhibitory processing.
有大量文献记载，与非西班牙裔白人（NHW）成年人相比，少数族裔成年人更频繁地经历疼痛，并遭受更严重的疼痛。这些观察结果与实验室研究结果一致，即少数族裔成年人对实验室疼痛刺激的敏感性高于 NHW 成年人。研究普遍表明，使用条件性疼痛调制（CPM）量化的中枢疼痛抑制处理是临床疼痛的一个风险因素。目前，CPM 中的种族/民族差异尚未得到充分理解，研究表明，体育活动（PA）可能有助于理解 CPM 中潜在的种族/民族差异。然而，与 NHW 成年人相比，关于西班牙裔人的 CPM 知之甚少。因此，本研究比较了西班牙裔人和 NHW 成年人的 CPM 和 PA。21 名年轻健康的西班牙裔人和 21 名 NHW 成年人完成了经过验证的问卷，以评估 PA、疼痛灾难化和性格乐观程度。然后，参与者完成了 CPM 测试，以量化在同时应用手指压力疼痛的情况下，与基线相比，电刺激对脚踝引起的疼痛评分的变化。结果表明，西班牙裔和 NHW 成年人的 CPM 反应和 PA 水平相当，疼痛灾难化和性格乐观程度也相似（p>0.05）。这些结果表明，当年轻健康的西班牙裔和 NHW 成年人在 PA、疼痛灾难化和性格乐观程度方面相似时，他们可能具有相似的临床疼痛风险。需要进一步研究来探讨 PA 在临床疼痛和中枢疼痛抑制处理中的种族/民族差异中的作用。
