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Neck Pain shows up to 22 week pain reduction with cold laser

Cold laser reduces pain for neck pain for up to 22 weeks

Head over to your local chiropractor to manage your neck pain with no medicine and no surgery

SUMMARY: Neck pain is a common and costly condition for which pharmacological management has limited evidence of efficacy and side-effects. We show that cold laser (low lever laser therapy) reduces pain immediately after treatment in acute neck pain and up to 22 weeks after completion of treatment in patients with chronic neck pain.

 

The Lancet, Volume 374, Issue 9705, Pages 1897 – 1908, 5 December 2009

Published Online: 13 November 2009

Copyright © 2009 Elsevier Ltd All rights reserved.

Efficacy of low-level laser therapy in the management of neck pain: a systematic review and meta-analysis of randomised placebo or active-treatment controlled trials

Original Text

Dr Roberta T Chow MBBS a , Prof Mark I Johnson PhD b, Prof Rodrigo AB Lopes-Martins PhD c, Prof Jan M Bjordal PT d e

Summary

Background

Neck pain is a common and costly condition for which pharmacological management has limited evidence of efficacy and side-effects. Low-level laser therapy (LLLT) is a relatively uncommon, non-invasive treatment for neck pain, in which non-thermal laser irradiation is applied to sites of pain. We did a systematic review and meta-analysis of randomised controlled trials to assess the efficacy of LLLT in neck pain.

Methods

We searched computerised databases comparing efficacy of LLLT using any wavelength with placebo or with active control in acute or chronic neck pain. Effect size for the primary outcome, pain intensity, was defined as a pooled estimate of mean difference in change in mm on 100 mm visual analogue scale.

Findings

We identified 16 randomised controlled trials including a total of 820 patients. In acute neck pain, results of two trials showed a relative risk (RR) of 1·69 (95% CI 1·22—2·33) for pain improvement of LLLT versus placebo. Five trials of chronic neck pain reporting categorical data showed an RR for pain improvement of 4·05 (2·74—5·98) of LLLT. Patients in 11 trials reporting changes in visual analogue scale had pain intensity reduced by 19·86 mm (10·04—29·68). Seven trials provided follow-up data for 1—22 weeks after completion of treatment, with short-term pain relief persisting in the medium term with a reduction of 22·07 mm (17·42—26·72). Side-effects from LLLT were mild and not different from those of placebo.

Interpretation

We show that LLLT reduces pain immediately after treatment in acute neck pain and up to 22 weeks after completion of treatment in patients with chronic neck pain.

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http://www.thelancet.com/journals/lancet/article/PIIS0140-6736%2809%2961522-1/abstract