Cognitive impairment is one of the most common non-motor symptoms of Parkinson's disease (PD) and a major influencing factor on patients' daily living ability.Mild cognitive impairment (MCI) is a cognitive state between normal aging and dementia,and the living capability of MCI patients relatively remains.MCI often occurs in PD,with its clinical features presenting as the impairment in working memory and (or) attention,executive function,language ability,memory and visuospatial function.Here we try to depict the general picture of PD-MCI from the view of epidemiology,pathology,clinical presentation,imaging and diagnostic criteria.%轻度认知损害是帕金森病最为常见的非运动症状之一,是影响帕金森病患者日常生活活动能力的主要因素.轻度认知损害是介于正常老龄化与痴呆之间的过渡阶段,一般生活能力保持良好、发生轻度认知损害的帕金森病患者被称为帕金森病轻度认知损害,其临床特征可表现为不同认知领域损害,如工作记忆和(或)注意力、执行能力、言语、记忆力及视空间能力障碍等.在本文中,我们通过文献复习从流行病学、病理学、临床表现特点,以及辅助检查及诊断标准等方面对帕金森病轻度认知损害进行概述.
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