Efficacy of TENS in Cervical Pain Syndromes: An Umbrella Review of Systematic Reviews

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Abstract
Neck pain is defined as perceived pain, originating in an area bounded above by the nuchal line, below by an imaginary line passing through the spinous process of T1 and laterally by the sagittal plane tangent to the lateral edges of the neck. Our purpose is to investigate the effectiveness of transcutaneous electrical nerve stimulation (TENS) in patients suffering from both acute and chronic cervical pain syndromes. The literature research was conducted by consulting the following databases: PubMed, PEDro, Cochrane, and Google Scholar. To formulate the scientific question correctly, the PICO model was used. This umbrella review includes all systematic reviews with or without meta-analysis, in English, which analyze the use of TENS in subjects suffering from acute or chronic cervical pain. To evaluate the methodological quality of the studies, the AMSTAR model. A total of eleven systematic reviews with or without meta-analyses were included. The results of the study show how TENS seems to have an effect in reducing the intensity of acute and chronic cervical pain, especially in the short term. However, it was not possible to provide precise recommendations in this regard. Based on our result, it is desirable to carry out further studies that support the effectiveness of using TENS in patients suffering from acute and chronic neck pain.

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