{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,12,5]],"date-time":"2025-12-05T03:30:58Z","timestamp":1764905458057},"reference-count":13,"publisher":"Hindawi Limited","license":[{"start":{"date-parts":[[2012,1,1]],"date-time":"2012-01-01T00:00:00Z","timestamp":1325376000000},"content-version":"unspecified","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/3.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["The Scientific World Journal"],"published-print":{"date-parts":[[2012]]},"abstract":"<jats:p>In order to study the efficacy of linear-polarized near-infrared light irradiation (LPNIR) on relieving chronic pain in conjunction with nerve block (NB) or local block (LB), a 3-week prospective, randomized, double-blind, controlled study was conducted to evaluate the pre- and post-therapy pain intensity. Visual analogue scales (VASs) were measured in all patients before and 6 months after therapy visiting the pain clinic during the period of August 2007 to January 2008. A total of 52 patients with either shoulder periarthritis or myofascial pain syndrome or lateral epicondylitis were randomly assigned into two groups by drawing lots. Patients in Group I were treated with NB or LB plus LPNIR; Group II patients, for their part, were treated with the same procedures as in Group I, but not using LPNIR. In both groups, the pain intensity (VAS score) decreased significantly immediately after therapy as compared to therapy. There was a significant difference between the test and control groups immediately after therapy (<mml:math xmlns:mml=\"http:\/\/www.w3.org\/1998\/Math\/MathML\"><mml:mi>P<\/mml:mi><mml:mo>&lt;<\/mml:mo><mml:mn>0.05<\/mml:mn><\/mml:math>), while no effect 6 months later. No side effects were observed. It is concluded that LPNIR is an effective and safe modality to treat various chronic pains, which has synergic effects with NB or LB.<\/jats:p>","DOI":"10.1100\/2012\/567496","type":"journal-article","created":{"date-parts":[[2012,4,19]],"date-time":"2012-04-19T18:03:33Z","timestamp":1334858613000},"page":"1-4","source":"Crossref","is-referenced-by-count":14,"title":["Effects of Linear-Polarized Near-Infrared Light Irradiation on Chronic Pain"],"prefix":"10.1100","volume":"2012","author":[{"given":"Dong","family":"Huang","sequence":"first","affiliation":[{"name":"Department of Anesthesiology, The Third Xiangya Hospital of Central South University, Changsha, Hunan 410013, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yong-Hong","family":"Gu","sequence":"additional","affiliation":[{"name":"Department of Pathology, The Third Xiangya Hospital of Central South University, Changsha, Hunan 410013, 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