Calor o frío superficial para la lumbalgia

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  • Publicado : 5 de julio de 2010
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SUPERFICIAL HEAT OR COLD FOR LOW BACK PAIN French SD, Cameron M, Walker BF, Reggars JW, Esterman AJ SUMMARY Superficial heat or cold for low back pain There is moderate evidence that heat wrap therapy reduces pain and disability for patients with back pain that lasts for less than three months. The relief has only been shown to occur for a short time and the effect is relatively small. Theaddition of exercise to heat wrap therapy appears to provide additional benefit. There is still not enough evidence about the effect of the application of cold for low-back pain of any duration, or for heat for back pain that lasts longer than three months. Heat treatments include hot water bottles, soft heated packs filled with grain, poultices, hot towels, hot baths, saunas, steam, heat wraps, heatpads, electric heat pads and infra-red heat lamps. Cold treatments include ice, cold towels, cold gel packs, ice packs and ice massage. This is a Cochrane review abstract and plain language summary, prepared and maintained by The Cochrane Collaboration, currently published in The Cochrane Database of Systematic Reviews 2010 Issue 3, Copyright © 2010 The Cochrane Collaboration. Published by JohnWiley and Sons, Ltd.. The full text of the review is available in The Cochrane Library (ISSN 1464-780X). This record should be cited as: French SD, Cameron M, Walker BF, Reggars JW, Esterman AJ. Superficial heat or cold for low back pain. Cochrane Database of Systematic Reviews 2006, Issue 1. Art. No.: CD004750. DOI: 10.1002/14651858.CD004750.pub2. This version first published online: January 25. 2006ABSTRACT Background Heat and cold are commonly utilised in the treatment of low-back pain by both health care professionals and people with low-back pain. Objectives To assess the effects of superficial heat and cold therapy for low-back pain in adults. Search strategy We searched the Cochrane Back Review Group Specialised register, the Cochrane Central Register of Controlled Trials (The CochraneLibrary Issue 3, 2005), MEDLINE (1966 to October 2005), EMBASE (1980 to October 2005) and other relevant databases. Selection criteria We included randomised controlled trials and non-randomised controlled trials that examined superficial heat or cold therapies in people with low-back pain.

Data collection and analysis Two authors independently assessed methodological quality and extracteddata, using the criteria recommended by the Cochrane Back Review Group. Main results Nine trials involving 1117 participants were included. In two trials of 258 participants with a mix of acute and sub-acute low-back pain, heat wrap therapy significantly reduced pain after five days (weighted mean difference (WMD) 1.06, 95% confidence interval (CI) 0.68 to 1.45, scale range 0 to 5) compared to oralplacebo. One trial of 90 participants with acute low-back pain found that a heated blanket significantly decreased acute low-back pain immediately after application (WMD 32.20, 95%CI -38.69 to -25.71, scale range 0 to 100). One trial of 100 participants with a mix of acute and sub-acute low-back pain examined the additional effects of adding exercise to heat wrap, and found that it reduced painafter seven days. There is insufficient evidence to evaluate the effects of cold for low-back pain, and conflicting evidence for any differences between heat and cold for low-back pain. Authors' conclusions The evidence base to support the common practice of superficial heat and cold for low back pain is limited and there is a need for future higher-quality randomised controlled trials. There ismoderate evidence in a small number of trials that heat wrap therapy provides a small short-term reduction in pain and disability in a population with a mix of acute and sub-acute low-back pain, and that the addition of exercise further reduces pain and improves function. The evidence for the application of cold treatment to low-back pain is even more limited, with only three poor quality studies...
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