The Research Status of Mild Cognitive Impairment in the Elderly

全球人口的老龄化趋势使人们越来越关注各种老年疾病影响因素与防治方法，其中老年痴呆症因其给老人造成的智力残障以及给患者家庭带来的沉重负担而更加成为了学者们研究的重点。老年人轻度认知功能障碍(mild cognitive impairment，MCI)是指介于正常衰老和老年痴呆症之间的过渡状态，患者具有一定程度的认知损伤，属于可能罹患痴呆症的高风险人群。而通过对MCI相关影响因素的研究有助于改善老年人的生活质量，为痴呆症的有效防治找到新的途径，减轻其照料者的经济负担和精神压力。 The trend of the world’s population aging makes people pay more attention to the influence factors and the method of prevention and cure about various diseases of aging. Alzheimer’s disease becomes the research’s emphasis because it can cause elderly intellectual disability and bring heavy burden to the patients’ family. A growing number of scholars intensively focus on the re-search. Mild cognitive impairment (MCI) in older people refers to the transition state between normal aging and Alzheimer’s disease; those who are with a certain degree of cognitive impairment may belong to the people at high risk of dementia. The research related to the MCI’s influencing factors contributes to improving life quality of the elderly and find the new ways to prevent the disease. In addition, this research may reduce the economic burden of the caregivers and mental pressure for the effective prevention and control of Alzheimer’s.