评分标准:
\n\n分数在27~30分:正常
\n\n分数<27分:认知功能障碍,其中:
\n\n21~26,轻度障碍
\n\n10~20,中度障碍
\n\n0~9,重度障碍
\n\n声明:此量表用于自测时,评分仅供参考,详细解读应咨询专科医师。
\n\n\n\n要求在白纸上画1个“几点几分的钟”,反映执行功能和视空间功能。画钟测验从正常人中检出AD的敏感性是86%,特异性是96%[1]。它比较简单,受文化背景、教育程度影响小,尤其适合曾经迷路的可疑痴呆者。计分方法有很多,本文以4分法为例,具体方法如下:
\n\n请在一张白纸上画一个钟表,要求标明全部数字,并用时针和分针标出特定时间(如11点10分,由施测者拟定)。
\n\n评分标准:画出一个封闭的圆1分;数字位置正确1分;12个数字无遗漏1分;时针、分针位置正确1分。4分为认知功能正常;3~0分为轻、中、重度认知功能障碍。
\n\nHDS由日本教授长谷川编制,更适合亚洲人群。量表可检测时间和地点定向、命名、心算、即刻和短时听觉词语记忆(包括倒背数字、实物回忆等),满分30分。优点是简便易行,敏感性和特异性比较高。
\n\nHDS量表见下文:
\n\n \n\nAD老人常出现精神行为异常,医生需评估精神症状轻重,以及对照料者造成的困扰。NPI根据照料者对老人行为的看法和感受到的苦恼,来评估12项神经精神障碍,包括:妄想、幻觉、激越、抑郁、焦虑、欣快、淡漠、脱抑制、激惹、异常行为、睡眠障碍、进食障碍。根据严重程度及发作频率,评估分级的评分范围为0~144,护理者苦恼分级评分为0~60。0代表无精神行为异常。
\n\nNPI条目数较多,施测非常复杂,需由医生来进行,您仅做一般了解即可。
\n\nADL由美国的Lawton和Brody于1969年制定,由躯体生活自理量表(PSMS)和工具性ADL(IADL)组成,共14项。其中,PSMS包含6项:上厕所、进食、穿衣、梳洗、行走和洗澡;IADL包含8项:打电话、购物、备餐、做家务、洗衣、使用交通工具、服药和自理经济。
\n\nADL可作为评估疗效和疾病进展程度的工具,照料者可以定期为老人施测,如发现疗效不佳或疾病进展较快,可尽快就医。
\n\nADL量表的更多信息请阅读:
\n\n \n\n\n\nMoCA是一种综合性认知评估工具,评估包括视空间、执行、命名、记忆、注意、语言、抽象、定向能力在内的8个认知域功能,总分30分,费时约10 min,目前已有61种语言/方言版本。
\n\nMoCA适合轻度认知障碍(MCI),尤其是单个认知域受损(如遗忘型认知障碍)以及可疑痴呆和轻度痴呆的筛查。但对于理解力差、受教育程度低的老人,测试耗时相对较长;而且,他们在执行功能、抽象能力等方面理解困难,完成度和配合度会降低。
\n\nMoCA也需要由医师或心理评估师操作,您仅做一般了解即可。
\n\n总结来看,上述量表各有所长,侧重点不同,AD-8、画钟实验、NPI、1分钟语言测试可以由家属进行,用于发现早期痴呆症的征象;其他复杂的量表需要在专业的评估师指导下完成。
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