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Acupuncture alleviates dementia more effectively than conventional drug therapy according to researchers at the Wuhan University of Science and Technology. Published in the Journal of Hubei University of Chinese Medicine, their research demonstrates that acupuncture is both safe and effective for the treatment of vascular dementia. Acupuncture achieved a 90% total effective rate when using the Xing Nao Kai Qiao acupuncture protocol. Conventional acupuncture achieved an 80% total effective rate and drug therapy achieved a 60% total effective rate.
In vascular dementia, impaired blood flow deprives oxygen and nutrients to the brain; mental deterioration affects cognition, memory, language skills, emotions, and personality. The researchers cite Traditional Chinese Medicine (TCM) theory as the basis for their acupuncture protocol development. The Huangdi Neijing (Yellow Emperor’s Inner Canon) states that the governor meridian (Du Mai) is related to the brain and marrow in the Suwen section. Also, Jing Mai theory in the Lingshu section indicates that the bladder meridian (Foot Tai Yang) is closely related to the brain. Additional TCM theory indicates that the scope of vascular dementia involves deficient liver and kidney qi and blood, phlegm stagnation, and qi and blood stasis.
Three groups were compared. The drug therapy group received 0.8 g tablets of piracetam, a gamma-aminobutyric acid (GABA) derivative, three times per day for thirty days. Piracetam is a neurotransmitter derivative that is a central stimulant and a nootropic agent (a drug used to enhance memory or cognition). Piracetam is neuroprotective, anticonvulsant, and improves neuroplasticity.
The Xing Nao Kai Qiao acupuncture treatment consisted of body and scalp acupuncture points. All acupuncture protocols were applied to patients once per day, six days per week, for a total of thirty days. The results demonstrated that acupuncture outperformed drug therapy. An interesting look towards the future would be an additional study combining piracetam with acupuncture in an integrative protocol to determine if positive patient outcomes increase.
In related MRI research, Wang et al. conclude that acupuncture “can enhance the hippocampal connectivity in AD [Alzheimer disease] patients.” The study measured regions of disrupted brain connectivity in AD patients. After acupuncture, the MRIs demonstrate that AD patients had significant improvements in connectivity for frontal and lateral temporal regions of the hippocampus. The study incorporated fMRI technology to measure the effects of acupuncture points LV3 (Taichong) and LI4 (Hegu) on the brain.
In a related multi-center randomized controlled trial of 184 human subjects with vascular dementia, Huang et al. conclude that acupuncture is an effective treatment modality. Huang et al. conclude that scalp acupuncture significantly improves cognition, activities of daily living, TCM signs and symptoms, mental state, and social behavior for vascular dementia patients.
Gang et al. find acupuncture more effective than almitrine (Duxil) for the treatment of vascular dementia concluding, “The efficacy of treating vascular dementia gait disorder with electro-acupuncture (EA) on EX-B2 along lumbar vertebra combined with scalp acupuncture was superior to orally administered Duxil.” This may be explained in part by the work of Shi et al., whose investigation of vascular dementia patients concludes “that acupuncture is beneficial at least in part by preventing oxidative damage.”
The research of Feng et al. on vascular dementia patients may also explain the biological mechanisms activated by acupuncture. CREB (cAMP response element-binding protein) and BDNF (brain-derived neurotrophic factor) act in long-term memory storage. Feng et al. note that acupuncture at DU20 upregulates both BDNF and CREB. Feng et al. add that acupuncture at DU20 “significantly increases the levels of choline acetyltransferase (ChAT) and restores the expression of choline transporter 1 (CHT1) and vesicular acetylcholine transporter (VAChT).” This indicates that acupuncture treats cognition and memory disorders, at least in part, by regulating brain cholinergic functioning.
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