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Popular Pain Therapy Devices Not Recommended for Chronic Low-Back Pain

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The guideline determined that TENS can be effective in treating diabetic nerve pain, also called diabetic neuropathy, but more and better research is needed to compare TENS to other treatments for this type of pain.

Transcutaneous Electric Nerve Stimulation (TENS)

With TENS, a portable, pocket-sized unit applies a mild electrical current to the nerves through electrodes. TENS has been used for pain relief in various disorders for years. Researchers do not know how TENS may provide relief for pain. One theory is that nerves can only carry one signal at a time. The TENS stimulation may confuse the brain and block the real pain signal from getting through.

Transcutaneous Electric Nerve Stimulation (TENS) and Back Pain

Back pain—both acute and chronic—is the second most common neurologic ailment in the United States, according to the National Institute of Neurological Disorders and Stroke, and is the most common cause of job-related disability. About 60 percent of people with diabetes will develop neuropathy.

Research on TENS for chronic low-back pain (pain in the lower back that has persisted for three months or longer) has produced conflicting results.

Transcutaneous Electric Nerve Stimulation (TENS) Back Pain Study

For the guideline, the authors reviewed all of the evidence for low-back pain lasting three months or longer. Acute low-back pain was not studied. The studies to date show that TENS does not help with chronic low-back pain.

All but one of the studies excluded people with known causes of low-back pain, such as a pinched nerve, severe scoliosis (curving of the spine), severe spondylolisthesis (displacement of a backbone or vertebra) or obesity. In the one study that looked at low-back pain associated with known conditions, TENS was not shown to be effective. The only specific neurologic cause of chronic low-back pain where TENS was studied was multiple sclerosis, and TENS was not shown to help.

Bottom Line on Transcutaneous Electric Nerve Stimulation (TENS) and Chronic Low-Back Pain

“The strongest evidence showed that there is no benefit for people using TENS for chronic low-back pain,” said guideline author Richard M. Dubinsky, MD, MPH, of Kansas University Medical Center in Kansas City and a Fellow of the American Academy of Neurology. “Doctors should use clinical judgment regarding TENS use for chronic low-back pain. People who are currently using TENS for their low-back pain should discuss these findings with their doctors.”

Dubinsky stated further that good evidence showed that TENS can be effective in treating diabetic nerve pain.

Last modified on Friday, 29 April 2011 13:52
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