研究表明,在帕金森病(PD)的疾病过程中可出现认知功能损害甚至发生痴呆,称帕金森—痴呆综合征(PDD),其主要表现为认知和运动迟缓、执行能力障碍以及记忆障碍。现将其临床特点报告如下。1危险因素多数研究报道,PD患者痴呆的发生率为20%~40%,其病因目前尚不十分明确,主要危险因素 Studies have shown that cognitive impairment and even dementia can occur during the course of Parkinson’s disease (PD). Parkinson’s disease (dementia syndrome) is characterized by cognitive and motor retardation, impaired executive ability, and memory obstacle. Now report its clinical features are as follows. 1 risk factors Most studies have reported that the incidence of dementia in patients with PD was 20% to 40%, the etiology is not yet clear, the main risk factors