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[Senile dementia: differentiation of syndromes according to meridians based on the theory of "cerebral collaterals injury by toxin"].

The pathogenesis and treatments based on meridian differentiation of senile dementia are discussed through analyses and researches on the theory of "cerebral collaterals injury by toxins" and "collateral diseases". The symptoms of "Cerebral collaterals injury by toxins" are preliminary characterized by toxins and blood stasis occluding brain collaterals. "Cerebral collateral injury by toxins" and "Governor Vessel occlusion by blood stasis" are taken as the major pathogeneses of senile dementia. And the treatment should be focused on clearing the collaterals. Clearance acting as reinforcing as well as to clear and modify the Governor Vessel are taken as crucial sections in the treatment of senile dementia based on meridian differentiation. It is also the application of acupuncture-moxibustion intervention in senile dementia based on the theory of "cerebral collateral injury by toxins", which expands the application of the theory concerning "collateral diseases" in disease prevention and treatment with acupuncture-moxibustion.