4/10/2024 0 Comments Moca b dementia test![]() The first part of the instrument was designed to be very short, taking approximately three minutes to complete, and providing good sensitivity and acceptable specificity. Therefore, identifying MCI quickly and accurately in the Chinese cultural background requires the development of new, rapid, and practical tools. ![]() Another commonly used scale, the MMSE, has similar issues regarding memory function evaluation. The MoCA has only five points for memory items (25/30 points on the MoCA are not situational episodic memory items), and some items are not sensitive enough for screening MCI, such as 100 consecutive minus seven and digit spans. The MoCA is one of the most commonly used screening scales however, it is highly time-consuming and unsuitable for amnestic MCI screening. Except for the MES, the difficulty of the memory items is lower than that of the MoCA. However, these four screening scales do not fully reflect memory function. The Geriatric Cognitive Comprehensive Assessment Examiner-Rating Scale (GCCAES) examines three-word auditory memory similar to the MMSE. The memory assessment component of the Five-Minute Cognitive Test is visual memory of eight objects. The memory assessment component of Memory and Executive Screening (MES) is the auditory memory of a sentence with 10 key points, while that of the Hong Kong Brief Cognitive Test (HKBC) is auditory memory of four objects. In the Chinese version of these screening scales, memory assessment comprises of only one item. However, the current Chinese versions of these screening scales have limitations for screening MCI. Therefore, appropriate cognitive-screening scales are required. Large-scale rapid screening of community residents by primary care providers (e.g., family physicians) is a practical approach to improve the diagnosis and management of cognitive impairment in such a huge population. The overall prevalence of MCI in China is estimated to be 15.5%. Cognitive screening measures for dementia such as the Mini-Mental State Examination (MMSE), Montreal Cognitive Assessment (MoCA), and Clock Drawing Test (CDT) are commonly used. There are many approaches to identifying dementia, either from informants, such as using the Alzheimer’s disease 8 (AD8) and the Informant Questionnaire on Cognitive Decline in the Elderly (IQCODE) or from daily life observations, such as the Activity of Daily Living (ADL) scale. Therefore, the number of raters with neuropsychological training is insufficient. In China, raters are not considered professionals, and no registration system exists. However, primary care resources in China are inadequate. Establishing health records of the 260 million older adults in China will help identify patients with cognitive impairment. To address this challenge, screening for mild cognitive impairment (MCI) must be prioritized and promoted. Dementia causes tremendous suffering in patients and substantial economic burden for society. Currently, approximately 15 million people aged > 60 years have dementia in China. The accelerated aging of the Chinese population is posing a public health challenge. DuCA is suited for large-scale cognitive screening in primary care, saving time and eliminating the need for extensively training assessors. ConclusionĭuCA-Part 1 would aid rapid screening and supplemented with the second part for a complete assessment. DuCA-part 1 and DuCA-total’s ability to discriminate AD from MCI was 0.84 and 0.93, respectively. At different education levels, the AUC was 0.83–0.84 for DuCA-part 1, and 0.89–0.94 for DuCA-total. The correlation coefficients of DuCA-total with ACE-III and MoCA-B were 0.78 (P < 0.001) and 0.83 (P < 0.001), respectively. The correlation coefficients of DuCA-part 1 with Addenbrooke’s Cognitive Examination III (ACE-III) and Montreal Cognitive Assessment Basic (MoCA-B) were 0.66 (P < 0.001) and 0.85 (P < 0.001), respectively. The correlation coefficient between DuCA-part 1 and DuCA-total was 0.84 (P < 0.001). To improve performance, the DuCA combines visual and auditory memory tests for an enhanced memory function test. ![]() ![]() In total, 1,772 community-dwelling participants were recruited, including those with normal cognition (NC, n = 1,008), mild cognitive impairment (MCI, n = 633), and Alzheimer’s disease (AD, n = 131), and administered a neuropsychological test battery and the DuCA. We designed a brief and flexible two-stage cognitive screening scale, the Dual-Stage Cognitive Assessment (DuCA), for cognitive screening in primary care settings. Aging population has led to an increased proportion of older adults and cognitively impaired.
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