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KMID : 1118520220190020100
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Psychiatry Investigation
2022 Volume.19 No. 2 p.100 ~ p.109
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Baseline Clinical and Biomarker Characteristics of Biobank Innovations for Chronic Cerebrovascular Disease With Alzheimer’s Disease Study: BICWALZS
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Roh Hyun-Woong
Kim Na-Rae
Lee Dong-Gi
Cheong Jae-Youn
Seo Sang-Won
Choi Seong-Hye
Kim Eun-Joo
Cho Soo-Hyun
Kim Byeong-C.
Kim Seong-Yoon
Kim Eun-Young
Chang Jae-Rak
Lee Sang-Yoon
Yoon Duk-Yong
Choi Jin-Wook
An Young-Sil
Kang Hee-Young
Shin Hyun-Jung
Park Bum-Hee
Son Sang-Joon
Hong Chang-Hyung
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Abstract
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Objective: We aimed to present the study design and baseline cross-sectional participant characteristics of biobank innovations for chronic cerebrovascular disease with Alzheimer’s disease study (BICWALZS) participants.
Methods: A total of 1,013 participants were enrolled in BICWALZS from October 2016 to December 2020. All participants underwent clinical assessments, basic blood tests, and standardized neuropsychological tests (n=1,013). We performed brain magnetic resonance imaging (MRI, n=817), brain amyloid positron emission tomography (PET, n=713), single nucleotide polymorphism microarray chip (K-Chip, n=949), locomotor activity assessment (actigraphy, n=200), and patient-derived dermal fibroblast sampling (n=175) on a subset of participants.
Results: The mean age was 72.8 years, and 658 (65.0%) were females. Based on clinical assessments, total of 168, 534, 211, 80, and 20 had subjective cognitive decline, mild cognitive impairment (MCI), Alzheimer’s dementia, vascular dementia, and other types of dementia or not otherwise specified, respectively. Based on neuroimaging biomarkers and cognition, 199, 159, 78, and 204 were cognitively normal (CN), Alzheimer’s disease (AD)-related cognitive impairment, vascular cognitive impairment, and not otherwise specified due to mixed pathology (NOS). Each group exhibited many differences in various clinical, neuropsychological, and neuroimaging results at baseline. Baseline characteristics of BICWALZS participants in the MCI, AD, and vascular dementia groups were generally acceptable and consistent with 26 worldwide dementia cohorts and another independent AD cohort in Korea.
Conclusion: The BICWALZS is a prospective and longitudinal study assessing various clinical and biomarker characteristics in older adults with cognitive complaints. Details of the recruitment process, methodology, and baseline assessment results are described in this paper.
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KEYWORD
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Alzheimer’s disease, Vascular dementia, Subcortical vascular cognitive impairment, Mild cognitive impairment, Dementia, Cohort
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