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Pain in Chronic Headache Eased by Nerve Stimulation
The findings, by researchers from the University of California, San Francisco and the National Hospital for Neurology and Neurosurgery in London, give doctors the promise of a non-drug treatment option for pain sufferers unable to tolerate indometacin - the standard medication known to cause stomach bleeding in some patients.
The device, called a bion, is a rechargeable battery-powered electrode, similar in size to a matchstick. When implanted near the occipital nerve in the back of the neck, it eases pain by generating pulses that the nerve receives. The bion can be turned on or off via an external wireless remote control.
For the study, the researchers measured the effectiveness of nerve stimulation in six patients aged 37 to 64 with hemicrania continua -a rare headache disorder defined by the International Headache Society as a form of chronic daily headache in which patients have 15 days or more of headache per month.
In the beginning of the study, participants underwent a minimally invasive surgery to have the bion implanted at the occipital nerve. Each participant then received continuous stimulation of the nerve for the first three months.
The device was switched off for the fourth month, ensuring that patients did not receive stimulation of the occipital nerve during that time, and switched on again at month five.
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More News on: Migraine, Headache / Cephalgia, Temporal Arteritis, Von Recklinghausen's Disease, Headache Symptom Evaluation
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