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Peripheral Nerve Stimulation: The New Treatment for Chronic Headaches

by Dr. Enozia Vakil on October 14, 2013 at 7:50 PM
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 Peripheral Nerve Stimulation: The New Treatment for Chronic Headaches

An electric pulse may now bring relief to the 45 million Americans who suffer from chronic headaches. Electric stimulation of the peripheral nerve reduced average headache intensity by more than 70 percent.

With electric stimulation of the peripheral nerve, a thin insulated wire is implanted in the back of the head (occipital nerve) or in the forehead above the eyebrow (supraorbital nerve) and delivers electric pulses to block pain. The study looked into the safety and long-term usefulness of this treatment.

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"Despite advances in headache treatment over the past two decades, many people do not get adequate pain relief from current treatments, or they cannot tolerate the side effects of the medications," said Billy K. Huh, M.D., Ph.D., professor and medical director of the Department of Pain Medicine at The University of Texas MD Anderson Cancer Center, Houston, and adjunct professor of the Department of Anesthesiology at Duke University Medical Center, Durham, N.C. "This treatment offers hope to those patients and a chance for a major improvement in quality of life."

The study monitored 46 patients who received peripheral nerve stimulation between 2005 and 2012. Follow-up phone interviews were conducted to determine subsequent headache intensity, frequency of headaches per month, complications and overall satisfaction with the treatment.
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The study found that both headache intensity and frequency decreased significantly. The average headache intensity was reduced by more than 70 percent. The average number of "headache days" decreased from 28 to 14 per month. Ninety percent of patients were satisfied with the treatment, with one reporting more than eight years of reduced headache intensity and frequency.

A drawback of the treatment is its relatively high level of complications, which include electrode migration, equipment problems and infection. The study authors state that as physicians gain experience with implantation techniques, complications will decrease.

"This is a real breakthrough for chronic headache sufferers," explained Dr. Huh. "For patients with no other options to relieve their pain and suffering, this treatment is a way for them to get their life back."

The American Society of Anesthesiologists
Founded in 1905, the American Society of Anesthesiologists (ASA) is an educational, research and scientific society with more than 50,000 members organized to raise and maintain the standards of the medical practice of anesthesiology. ASA is committed to ensuring physician anesthesiologists evaluate and supervise the medical care of patients before, during and after surgery to provide the highest quality and safest care every patient deserves.

Source: Newswise
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