藤田医科大学医学部 認知症・高齢診療科

研究

・本部門では、本学において、もしくは他機関と連携し認知症ならびに老年病の研究を行っています。

①認知症の早期診断技法および治療法の開発・研究

認知症を早期に診断し、適切なケアに結びつけることは非常に重要です。しかし、どのような疾患もごく初期の段階で診断することは難しく、診断技法の開発・研究が求められています。最近ではアミロイドPETのような画像診断などバイオマーカーによるプレクリニカル期(臨床症状が出る前)の診断技法の開発・研究も行われていますが、認知機能低下を含む臨床症状の見極めをどのように行うか、特に高齢期に多く、罹患率の極めて高い認知症の診断には簡便かつ正確な技法の開発が求められています。そのため、本グループではもの忘れ外来および地域での認知機能検査を軸とした診断技法ならびに治療法の開発・研究に取り組んでいます。

文献

1) Yoshino H and Takechi H. Effect of Diabetes Mellitus on Daily Functioning and Cognition of Alzheimer's Disease Patients Evaluated by DASC-21. Dement Geriatr Cogn Dis Extra. 2022 May 2;12(2):76-81. doi: 10.1159/000524139. eCollection 2022 May-Aug. PMID: 35702343.

2) Yoshino H, Takechi H. Influences of COVID-19 in a dementia outpatient clinic: experience from the Fujita-Health University Hospital in Aichi, Japan. Psychogeriatrics. 2021 May;21(3):438-439. doi: 10.1111/psyg.12684. Epub 2021 Mar 18.

3) Takechi H and Yoshino H. Usefulness of CogEvo, a computerized cognitive assessment and training tool, for distinguishing patients with mild Alzheimer’s disease and mild cognitive impairment from cognitively normal older people. Geriatr Gerontol Int. 2021 Feb;21(2):192-196. doi: 10.1111/ggi.14110.

4) Takechi H, Tsuzuki A, Matsumoto K, Matsunaga S, Nishiyama H, Ogawa M, Kanada Y. Relationship between subjective memory complaints and social and leisure activities in community-dwelling older people: Toyoake Integrated Care Study. Geriatr Gerontol Int. 2020 Oct;20(10):867-872. doi: 10.1111/ggi.13992.

5) Honjyo Y, Ide K, Takechi H. Medical interventions suppressed progression of advanced Alzheimer’s disease more than mild Alzheimer’s disease. Geriatr Gerontol Int. 2020 Apr;20(4):324-328. doi: 10.1111/ggi.13883.

6) Waki T, Tanaka-Mizuno S, Takashima N, Takechi H, Hayakawa T, Miura K, Ueshima H, Kita Y, Dodge HH. Waist Circumference and Domain-Specific Cognitive Function among Non-demented Japanese Older Adults Stratified by Sex: Results from the Takashima Cognition Study. J Alzheimers Dis. 2020;73(3):887-896. doi: 10.3233/JAD-190395.

7) Matsunaga S, Fujishiro H, Takechi H. Efficacy and Safety of Cholinesterase Inhibitors for Mild Cognitive Impairment:A Systematic Review and Meta-Analysis. J Alzheimers Dis. 2019 Aug 12;-1(1):1. doi: 10.3233/JAD-190546.

8) Matsunaga S, Fujishiro H, Takechi H. Efficacy and Safety of Glycogen Synthase Kinase 3 Inhibitors for Alzheimer's Disease: A Systematic Review and Meta-analysis. Journal of Alzheimer's Disease in press

9) Kitaguchi N, Tatebe H, Sakai K, Kawaguchi K, Matsunaga S, Kitajima T, Tomizawa H, Kato M, Sugiyama S, Suzuki N, Mizuno M, Takechi H, Nakai S, Hiki Y, Kushimoto H, Hasegawa M, Yuzawa Y, Tokuda T. Influx of tau and amyloid-β proteins into the blood during hemodialysis as a therapeutic extracorporeal blood amyloid-β removal system for Alzheimer‘s disease. Journal of Alzheimer's Disease in press

10) Matsunaga S, Fujishiro H, Takechi H. Efficacy and Safety of Idalopirdine for Alzheimer's Disease: A Systematic Review and Meta-analysis. Int Psychogeriatr. 2018 Dec 18:1-7

11) Kitaguchi N, Kato T, Matsunaga S, Hirano K, Iwata K, Kawaguchi K, Fujita K, Takechi H, Hasegawa M, Yuzawa Y, Ito K. Removal of blood amyloid-β with hemodialysis reduced brain amyloid-β, confirmed by brain imaging: A case report. Neuropsychiatr Dis Treat. 2018 Nov 1;14:2931-2937..

12) Honjyo Y and Takechi H. Japanese Old Stories Cognitive Scale: A screening test to detect cognitive disease and prompt visiting a memory clinic. Psychogeriatrics 2019 Feb 20. doi: 10.1111/psyg.12398. [Epub ahead of print]

13) Li F, Takechi H, Saito R, Ayaki T, Kokuryu A, Kuzuya A, Takahashi R. A comparative study: visual rating scores and the voxel-based specific regional analysis system for Alzheimers disease on magnetic resonance imaging among subjects with Alzheimers disease, mild cognitive impairment, and normal cognition. Psychogeriatrics. 2019 Mar;19(2):95-104. doi: 10.1111/psyg.12370. Epub 2018 Oct 1.

14) Li F, Takechi H, Kokuryu A, Takahashi R. Longitudinal Changes in Performance on Cognitive Screening Tests in Patients with Mild Cognitive Impairment and Alzheimer Disease. Dement Geriatr Cogn Dis Extra. 2017 Nov 8;7(3):366-373. doi: 10.1159/000481910.

15) 武地 一【認知症の人の認知機能障害,生活障害,行動・心理症状の構造】 アルツハイマー型認知症の認知機能障害,生活障害,BPSDの構造(解説/特集) 精神医学 (0488-1281)58巻11号 Page905-913(2016.11)

16) Tanigawa T, Takechi H, Arai1 H, Yamada M, Nishiguchi S, Aoyama T. Effect of physical activity on memory function in older adults with mild Alzheimer’s disease and mild cognitive impairment. Geriatr Gerontol Int. 14: 758-762, 2014.

17) Yamada M, Takechi H, Mori S, Aoyama T, Arai H. Global brain atrophy is associated with physical performance and the risk of falls in older adults with cognitive impairment. Geriatr Gerontol Int. 2013 Apr;13(2):437-42.

18) Takechi H, Sugihara Y, Kokuryu A, Nishida M, Yamada H, Arai H, and Hamakawa Y. Both conventional indices of cognitive function and frailty predict levels of care required in a long-term care insurance program for memory clinic patients in Japan Geriat Gerontol Int 12(4):630-6, 2012

19) Shimada H, Ataka S, Tomiyama T, Takechi H, Mori H, Miki T. Clinical Course of Patients with Familial Early-Onset Alzheimer’s Disease Potentially Lacking Senile Plaques Bearing the E693 Mutation in Amyloid Precursor Protein. Dement Geriatr Cogn Disord 2011;32(1):45-54.

20) 武地 一 認知症診療における神経心理学的検査 神経心理学(0911-1085)27巻3号 Page213-219(2011.09)

21) Takechi H, Dodge H. Scenery Picture Memory Test, a New Type of Quick and Effective Screening Test to Detect Early Stage Alzheimer Disease Patients. Geriat Gerontol Int 10; 183-190, 2010.

22) Funabiki Y, Takechi H, Akamatsu T & Kita T: Development of a short neuropsychological battery to screen early dementia in elderly. Geriatr. Gerontol. Int. 2: 179-186, 2002.

なお、本テーマにおいて、現在、以下の臨床研究を行っています。
研究課題「もの忘れ外来における認知機能評価とDASC下位項目の関係性に関する研究」
情報通知文書 物忘れ外来 01

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