In each study, the researchers tried to establish whether acupuncture could reduce the occurrence of headaches. One study focused on mild to moderate but frequent 'tension-type' headaches, whilst the other focused on more severe but less frequent headaches usually termed migraines. Together the two studies included 33 trials, involving a total of 6,736 patients.
Overall, following a course of at least eight weeks, patients treated with acupuncture suffered fewer headaches compared to those who were given only pain killers. In the migraine study, acupuncture was superior to proven prophylactic drug treatments, but faked treatments were no less effective. In the tension headache study, true acupuncture was actually slightly more effective than faked treatments.
"Much of the clinical benefit of acupuncture might be due to non-specific needling effects and powerful placebo effects, meaning selection of specific needle points may be less important than many practitioners have traditionally argued," says lead researcher of both studies, Klaus Linde, who works at the Centre for Complementary Medicine Research at the Technical University of Munich, Germany.
The results indicate that acupuncture could be a used as an alternative for those patients who prefer not to use drug treatments, and additionally may result in fewer side effects. However, Linde says more research is still required, "Doctors need to know how long improvements associated with acupuncture will last and whether better trained acupuncturists really achieve better results than those with basic training only."
Linde K, Allais G, Brinkhaus B, Manheimer E, Vickers A, White AR, ''Acupuncture for tension-type headache (Review)", The Cochrane Library 2009, Issue 1
Linde K, Allais G, Brinkhaus B, Manheimer E, Vickers A, White AR, "Acupuncture for migraine prophylaxis (Review)", The Cochrane Library 2009, Issue 1
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