Acupuncture Research Today is a free monthly online journal that collates and summarizes the latest research about Acupuncture, including details on alternative medicine, uses, benefits, treatment, chinese medicine. | ||||||||
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Effects of contralateral electroacupuncture on brain function: a double-blind, randomized, pilot clinical trial.Woo YM, Lee MS, Nam Y, Cho HJ, Shin BC Department of Acupuncture and Moxibustion, National Medical Center, Seoul, Republic of Korea. OBJECTIVES: The aim of this study was to ascertain the effects of contralateral acupuncture on brain function using blind-spot mapping. DESIGN AND PARTICIPANTS: Forty (40) healthy volunteers in whom the right-side blind spot was larger than the left-side one-which indicates lower left-brain function-were randomly assigned into the following two groups in which electroacupuncture was applied to: (1) the contralateral ST36 acupuncture point (right side), and (2) the ipsilateral ST36 acupuncture point (left side). OUTCOME MEASURE: Blind-spot perimetry length was the outcome measure. RESULTS: Electroacupuncture to the contralateral side decreased the blind-spot perimetry length by 5.0 (-9.3 to 0.9) [median (interquartile range, IQR)], whereas that to the ipsilateral side increased the length by 4.5 (-3.7 to 7.8) [median, IQR]. There was significant difference in this length between the two groups (p < 0.05). CONCLUSIONS: These results suggest that electroacupuncture application increased or decreased the brain function- as assessed by changes to the blind spot-depending on the treatment side: Contralateral-side treatment has a better effect than ipsilateral-side treatment on brain function. However, further randomized studies that include both right- and left-side-enlarged subjects with a sham needle are needed to convincingly show the effects of contralateral acupuncture on brain function. Published 12 October 2006 in J Altern Complement Med, 12(8): 813-5.
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