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논문 기본 정보

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학술저널
저자정보
Oh Dae Jong (Workplace Mental Health Institute, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Korea.) Han Ji Won (Department of Neuropsychiatry, Seoul National University Bundang Hospital, Seongnam, Korea.Department of Psychiatry, Seoul National University College of Medicine, Seoul, Korea.) Kim Jun Sung (Department of Neuropsychiatry, Seoul National University Bundang Hospital, Seongnam, Korea.) Kim Tae Hui (Department of Psychiatry, Yonsei University Wonju Severance Christian Hospital, Wonju, Korea.) Kwak Kyung Phil (Department of Psychiatry, Dongguk University Gyeongju Hospital, Gyeongju, Korea.) Kim Bong Jo (Department of Psychiatry, Gyeongsang National University School of Medicine, Jinju, Korea.) Kim Shin Gyeom (Department of Neuropsychiatry, Soonchunhyang University Bucheon Hospital, Bucheon, Korea.) Kim Jeong Lan (Department of Psychiatry, College of Medicine, Chungnam National University, Daejeon, Korea.) Moon Seok Woo (Department of Psychiatry, Konkuk University Chungju Hospital, School of Medicine, Konkuk University, Chungju, Korea.) Park Joon Hyuk (Department of Neuropsychiatry, Jeju National University Hospital, Jeju, Korea.) Ryu Seung-Ho (Department of Psychiatry, Konkuk University Medical Center, School of Medicine, Konkuk University, Seoul, Korea.) Youn Jong Chul (Department of Neuropsychiatry, Kyunggi Provincial Hospital for the Elderly, Yongin, Korea.) Lee Dong Young (Department of Psychiatry, Seoul National University College of Medicine, Seoul, Korea.Department of Neuropsychiatry, Seoul National University Hospital, Seoul, Korea.) Lee Dong Woo (Department of Psychiatry, Inje University Sanggye Paik Hospital, Seoul, Korea.) Lee Seok Bum (Department of Psychiatry, Dankook University Hospital, Cheonan, Korea.) Lee Jung Jae (Department of Psychiatry, Dankook University Hospital, Cheonan, Korea.) Jhoo Jin Hyeong (Department of Psychiatry, Kangwon National University School of Medicine, Chuncheon, Korea.) Kim Ki Woong (Department of Neuropsychiatry, Seoul National University Bundang Hospital, Seongnam, Korea.Department of Psychiatry, Seoul National University College of Medicine, Seoul, Korea.Department of)
저널정보
대한의학회 Journal of Korean Medical Science Journal of Korean Medical Science Vol.39 No.36
발행연도
2024.9
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1 - 12 (12page)
DOI
10.3346/jkms.2024.39.e246

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초록· 키워드

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Background: A decline in masticatory function may indicate brain dysfunction related to dementia, but the relationship between masticatory function and dementia risk remains unclear. This study aimed to investigate whether masticatory function is associated with the risk of cognitive decline and dementia. Methods: Data were obtained from the nationwide prospective cohort study of randomly sampled community-dwelling Koreans aged ≥ 60 years. The 5,064 non-demented participants, whose number of chewing cycles per bite was assessed by clinical interview, were followed for 8 years with biennial assessments of cognitive performance and clinical diagnoses of all-cause dementia and Alzheimer’s disease (AD). Structural brain magnetic resonance imaging was collected from a subset of cohort participants and their spouses for imaging analyses. Results: Males who chewed ≥ 30 cycles/bite had faster decline in global cognition and memory function and were at higher risk for incident all-cause dementia (hazard ratio [HR], 2.91; 95% confidence interval [CI], 1.18–7.18) and AD (HR, 3.22; 95% CI, 1.14–9.11) compared to males with less than 10 cycles/bite. Additionally, increased chewing cycles in males were associated with reduced brain volume, particularly in regions involved in compensatory cognitive control of mastication. There was no significant association between chewing cycles and the risk of dementia or brain volume in females. Conclusion: Older men who frequently chew their meals could be considered a notable population at risk for dementia who should be carefully assessed for their cognitive trajectories.
#Masticatory Function #Dementia #Cognitive Decline #Sex Difference #Brain-Stomatognathic System

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