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Wang X, Yang T, Li Y, Ma C, Yang M, Qian Q, Ma G, Pei H, Feng J, Yan F, Fan X, Cao J, Ma Y. Intrinsic capacity decline as a predictor of functional disability in the elderly: A systematic review and meta-analysis. Arch Gerontol Geriatr 2024; 126:105550. [PMID: 38991290 DOI: 10.1016/j.archger.2024.105550] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2024] [Revised: 06/13/2024] [Accepted: 06/24/2024] [Indexed: 07/13/2024]
Abstract
OBJECTIVES To examine the predictive value of intrinsic capacity decline on functional disability among the elderly. DESIGN Meta-analysis. METHODS PubMed, EMBASE, Web of Science, The Cochrane Library, Wanfang Database, China Knowledge Resource Integrated Database (CNKI), Weipu Database (VIP), and Chinese Biomedical Database (CBM) were searched for relevant studies published from the inception until June 1, 2024. Stata 17.0 software was used to perform the meta-analysis. The methodological quality was evaluated using the Newcastle Ottawa Scale. The overall quality of evidence used GRADE guidelines to assess. A study protocol was registered in PROSPERO (CRD42023475461). RESULTS The meta-analysis included 8 cohort studies including 9744 elderly people. Functional disability including ADL disability (n = 6) and IADL disability (n = 7). The results showed that intrinsic capacity decline could predict ADL disability (HR = 1.08, 95 %CI 1.04-1.12; I2 = 98.2 %, P < 0.001) and IADL disability (HR = 1.11, 95 %CI 1.05-1.17; I2 = 96.4 %, P < 0.001). The overall risk of bias was low. And the grade of evidence that assessed by GRADE guidelines was rated as moderate. CONCLUSIONS Intrinsic capacity decline is a predictor of functional disability in the elderly. Therefore, screening intrinsic capacity decline has important clinical implications for early identifying the risk of functional disability, which contributes to providing individualized interventions ahead of potential functional disability for the elderly, thereby preventing functional disability, improving the quality of life and promoting healthy aging.
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Affiliation(s)
- Xuedan Wang
- Evidence-Based Nursing Center, School of Nursing, Lanzhou University, Lanzhou City, Gansu Province, China
| | - Tingting Yang
- Evidence-Based Nursing Center, School of Nursing, Lanzhou University, Lanzhou City, Gansu Province, China
| | - Yidan Li
- Evidence-Based Nursing Center, School of Nursing, Lanzhou University, Lanzhou City, Gansu Province, China
| | - Chi Ma
- Evidence-Based Nursing Center, School of Nursing, Lanzhou University, Lanzhou City, Gansu Province, China
| | - Mengyu Yang
- Evidence-Based Nursing Center, School of Nursing, Lanzhou University, Lanzhou City, Gansu Province, China
| | - Qiuxia Qian
- Evidence-Based Nursing Center, School of Nursing, Lanzhou University, Lanzhou City, Gansu Province, China
| | - Guifen Ma
- Gannan Tibetan Autonomous Prefecture Health School, Gannan Tibetan Autonomous Prefecture, China
| | - Hongbo Pei
- School of Public Health, Lanzhou University, Lanzhou City, Gansu Province, China
| | - Juanjuan Feng
- Evidence-Based Nursing Center, School of Nursing, Lanzhou University, Lanzhou City, Gansu Province, China
| | - Fanghong Yan
- Evidence-Based Nursing Center, School of Nursing, Lanzhou University, Lanzhou City, Gansu Province, China
| | - Xiangping Fan
- Department of Nursing, The Third People's Hospital of Lanzhou, Lanzhou, Gansu, China.
| | - Jianxun Cao
- Radiology Department, Gansu Provincial Hospital, Lanzhou City, Gansu Province, China.
| | - Yuxia Ma
- Evidence-Based Nursing Center, School of Nursing, Lanzhou University, Lanzhou City, Gansu Province, China.
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Zang E, Zhang Y, Wang Y, Wu B, Fried TR, Becher RD, Gill TM. Association Between Cognitive Trajectories and Subsequent Health Status, Depressive Symptoms, and Mortality Among Older Adults in the United States: Findings From a Nationally Representative Study. J Gerontol A Biol Sci Med Sci 2024; 79:glae143. [PMID: 38845419 PMCID: PMC11212484 DOI: 10.1093/gerona/glae143] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Indexed: 06/29/2024] Open
Abstract
BACKGROUND Cognitive decline may be an early indicator of major health issues in older adults, though research using population-based data is lacking. Researchers objective was to assess the relationships between distinct cognitive trajectories and subsequent health outcomes, including health status, depressive symptoms, and mortality, using a nationally representative cohort. METHODS Data were drawn from the National Health and Aging Trends Study. Global cognition was assessed annually between 2011 and 2018. The health status of 4 413 people, depressive symptoms in 4 342 individuals, and deaths among 5 955 living respondents were measured in 2019. Distinct cognitive trajectory groups were identified using an innovative Bayesian group-based trajectory model. Ordinal logistic, Poisson, and logistic regression models were used to examine the associations between cognitive trajectories and subsequent health outcomes. RESULTS Researchers identified five cognitive trajectory groups with distinct baseline values and subsequent changes in cognitive function. Compared with the group with stably high cognitive function, worse cognitive trajectories (ie, lower baseline values and sharper declines) were associated with higher risks of poor health status, depressive symptoms, and mortality, even after adjusting for relevant covariates. CONCLUSIONS Among older adults, worse cognitive trajectories are strongly associated with subsequent poor health status, high depressive symptoms, and high mortality risks. Regular screening of cognitive function may help to facilitate early identification and interventions for older adults susceptible to adverse health outcomes.
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Affiliation(s)
- Emma Zang
- Department of Sociology, Yale University, New Haven, Connecticut, USA
| | - Yunxuan Zhang
- Department of Biostatistics, Yale University, New Haven, Connecticut, USA
| | - Yi Wang
- Department of Internal Medicine, School of Medicine, Yale University, New Haven, Connecticut, USA
| | - Bei Wu
- Rory Meyers College of Nursing, New York University, New York, USA
| | - Terri R Fried
- Department of Internal Medicine, School of Medicine, Yale University, New Haven, Connecticut, USA
- Veterans Affairs Connecticut Healthcare System, West Haven, Connecticut, USA
| | - Robert D Becher
- Division of General Surgery, Trauma, and Surgical Critical Care, Department of Surgery, School of Medicine, Yale University, New Haven, Connecticut, USA
| | - Thomas M Gill
- Department of Internal Medicine, School of Medicine, Yale University, New Haven, Connecticut, USA
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Wang S, Chen Y, Xiong L, Jin N, Zhao P, Liang Z, Cheng L, Kang L. Multimorbidity measures associated with cognitive function among community-dwelling older Chinese adults. Alzheimers Dement 2024. [PMID: 39072982 DOI: 10.1002/alz.14117] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Revised: 05/17/2024] [Accepted: 06/07/2024] [Indexed: 07/30/2024]
Abstract
INTRODUCTION Older adults with multimorbidity are at high risk of cognitive impairment development. There is a lack of research on the associations between different multimorbidity measures and cognitive function among older Chinese adults living in the community. METHODS We used the Chinese Longitudinal Healthy Longevity Survey from 2002 to 2018 and included data on dementia-free participants aged ≥65 years. Multimorbidity measures included condition counts, multimorbidity patterns, and trajectories. The association of multimorbidity measures with cognitive function was examined by generalized estimating equation and linear and logistic regression models. RESULTS Among 14,093 participants at baseline, 43.2% had multimorbidity. Multimorbidity patterns were grouped into cancer-inflammatory, cardiometabolic, and sensory patterns. Multimorbidity trajectories were classified as "onset-condition," "newly developing," and "severe condition." The Mini-Mental State Examination scores were significantly lower for participants with more chronic conditions, with cancer-inflammatory/cardiometabolic/sensory patterns, and with developing multimorbidity trajectories. DISCUSSION Condition counts, sensory pattern, cardiometabolic pattern, cancer-inflammatory pattern, and multimorbidity developmental trajectories were prospectively associated with cognitive function. HIGHLIGHTS Elderly individuals with a higher number of chronic conditions were associated with lower MMSE scores in the Chinese Longitudinal Healthy Longevity Survey data. MMSE scores were significantly lower for participants with specific multimorbidity patterns. Individuals with developing trajectories of multimorbidity were associated with lower MMSE scores and a higher risk of mild cognitive impairment.
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Affiliation(s)
- Shuojia Wang
- Department of Geriatrics, Guangdong Provincial Clinical Research Center for Geriatrics, Shenzhen Clinical Research Center for Geriatrics, Shenzhen People's Hospital (The Second Clinical Medical College, Jinan University), Shenzhen, China
- Post-doctoral Scientific Research Station of Basic Medicine, Jinan University, Guangzhou, China
| | - Yilin Chen
- Department of Geriatrics, Guangdong Provincial Clinical Research Center for Geriatrics, Shenzhen Clinical Research Center for Geriatrics, Shenzhen People's Hospital (The Second Clinical Medical College, Jinan University), Shenzhen, China
| | - Lijiao Xiong
- Department of Geriatrics, Guangdong Provincial Clinical Research Center for Geriatrics, Shenzhen Clinical Research Center for Geriatrics, Shenzhen People's Hospital (The Second Clinical Medical College, Jinan University), Shenzhen, China
| | - Nana Jin
- Department of Geriatrics, Guangdong Provincial Clinical Research Center for Geriatrics, Shenzhen Clinical Research Center for Geriatrics, Shenzhen People's Hospital (The Second Clinical Medical College, Jinan University), Shenzhen, China
- Post-doctoral Scientific Research Station of Basic Medicine, Jinan University, Guangzhou, China
| | - Pengfei Zhao
- Department of Geriatrics, Guangdong Provincial Clinical Research Center for Geriatrics, Shenzhen Clinical Research Center for Geriatrics, Shenzhen People's Hospital (The Second Clinical Medical College, Jinan University), Shenzhen, China
| | - Zhen Liang
- Department of Geriatrics, Guangdong Provincial Clinical Research Center for Geriatrics, Shenzhen Clinical Research Center for Geriatrics, Shenzhen People's Hospital (The Second Clinical Medical College, Jinan University), Shenzhen, China
| | - Lixin Cheng
- Department of Geriatrics, Guangdong Provincial Clinical Research Center for Geriatrics, Shenzhen Clinical Research Center for Geriatrics, Shenzhen People's Hospital (The Second Clinical Medical College, Jinan University), Shenzhen, China
| | - Lin Kang
- Department of Geriatrics, Guangdong Provincial Clinical Research Center for Geriatrics, Shenzhen Clinical Research Center for Geriatrics, Shenzhen People's Hospital (The Second Clinical Medical College, Jinan University), Shenzhen, China
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Cheng S, Yin R, Wu K, Wang Q, Zhang H, Ling L, Chen W, Shi L. Trajectories and influencing factors of cognitive function and physical disability in Chinese older people. Front Public Health 2024; 12:1380657. [PMID: 39026589 PMCID: PMC11256785 DOI: 10.3389/fpubh.2024.1380657] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2024] [Accepted: 06/24/2024] [Indexed: 07/20/2024] Open
Abstract
Introduction Dementia and physical disability are serious problems faced by the aging population, and their occurrence and development interact. Methods Based on data from a national cohort of Chinese people aged 60 years and above from the China Health and Retirement Longitudinal Survey from 2011 to 2018, we applied the group-based trajectory model to identify the heterogeneous trajectories of cognitive function and physical disability in participants with different physical disability levels. Next, multinomial logistic regression models were used to explore the factors affecting these trajectories. Results The cognitive function trajectories of the Chinese older people could be divided into three characteristic groups: those who maintained the highest baseline level of cognitive function, those with a moderate baseline cognitive function and dramatic progression, and those with the worst baseline cognitive function and rapid-slow-rapid progression. The disability trajectories also fell into three characteristic groups: a consistently low baseline disability level, a low initial disability level with rapid development, and a high baseline disability level with rapid development. Compared with those free of physical disability at baseline, a greater proportion of participants who had physical disability at baseline experienced rapid cognitive deterioration. Education, income, type of medical insurance, gender, and marital status were instrumental in the progression of disability and cognitive decline in the participants. Discussion We suggest that the Chinese government, focusing on the central and western regions and rural areas, should develop education for the older people and increase their level of economic security to slow the rate of cognitive decline and disability among this age group. These could become important measures to cope with population aging.
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Affiliation(s)
- Shuyuan Cheng
- International Cooperation and Exchange Department, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
- Health Policy and Management Department, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD, United States
| | - Rong Yin
- Department of Medical Statistics, School of Public Health, Sun Yat-sen University, Guangzhou, China
| | - Kunpeng Wu
- Department of Medical Statistics, School of Public Health, Sun Yat-sen University, Guangzhou, China
| | - Qiong Wang
- Department of Epidemiology, School of Public Health, Sun Yat-sen University, Guangzhou, China
| | - Hui Zhang
- Department of Health Policy and Management, School of Public Health, Sun Yat-sen University, Guangzhou, China
| | - Li Ling
- Department of Medical Statistics, School of Public Health, Sun Yat-sen University, Guangzhou, China
| | - Wen Chen
- Department of Medical Statistics, School of Public Health, Sun Yat-sen University, Guangzhou, China
| | - Leiyu Shi
- Department of Health Policy and Management, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD, United States
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Cui M, Jiao D, Miura KW, Liu Y, Li X, Zhu Z, Sawada Y, Watanabe T, Tanaka E, Anme T. Social Frailty and Functional Status in Japanese Older Adults: The Mediating Role of Subjective Cognitive Function. J Am Med Dir Assoc 2024; 25:104971. [PMID: 38537667 DOI: 10.1016/j.jamda.2024.02.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2023] [Revised: 02/09/2024] [Accepted: 02/12/2024] [Indexed: 04/05/2024]
Abstract
OBJECTIVE This study aimed to explore the direct and indirect effects of social frailty on functional state trajectories mediated by subjective cognitive function in older adults. DESIGN Longitudinal study. SETTING AND PARTICIPANTS Overall, 514 adults aged ≥65 years living in a suburban area of central Japan were included in this study. METHODS Five-item social frailty index (going out, visiting, feeling helpful, living alone, and talking to others), subjective cognitive function from the Kihon Checklist, and instrumental activities of daily living disability. Latent growth curve models were applied to examine the longitudinal relations among the variables. RESULTS During the 6-year follow-up in latent growth curve models, the initial level of social frailty in older adults was negatively associated with that of functional status (β = -0.53, P < .001), and the rate of change in social frailty was negatively associated with that in functional status (β = -0.78, P < .001). In the mediation model, the indirect effect from the social frailty level to functional status level through subjective cognitive function level was significant (β = -0.14, 95% CI -0.29, -0.09); the rates of change in subjective cognitive function mediated the relationship between those in social frailty and functional status (β = -0.35, 95% CI -0.46, -0.25). CONCLUSIONS AND IMPLICATIONS This study found that there is an association between social frailty and functional status in Japanese older adults. Subjective cognitive function mediated this relationship. Hence, additional research is required to investigate additional potential factors linking social frailty and functional status in order to gain a better understanding of the underlying mechanisms.
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Affiliation(s)
- Mingyu Cui
- School of Comprehensive Human Science, University of Tsukuba, Tsukuba, Japan
| | - Dandan Jiao
- School of Comprehensive Human Science, University of Tsukuba, Tsukuba, Japan; Department of Nursing, The First Affiliated Hospital and College of Clinical Medicine of Henan University of Science and Technology, Luoyang City, Henan Province, China
| | | | - Yang Liu
- School of Comprehensive Human Science, University of Tsukuba, Tsukuba, Japan
| | - Xiang Li
- School of Comprehensive Human Science, University of Tsukuba, Tsukuba, Japan
| | - Zhu Zhu
- School of Comprehensive Human Science, University of Tsukuba, Tsukuba, Japan
| | - Yuko Sawada
- Department of Physical Therapy, Morinomiya University of Medical Sciences, Osaka, Japan
| | | | - Emiko Tanaka
- Faculty of Nursing, Musashino University, Tokyo, Japan
| | - Tokie Anme
- Faculty of Medicine, University of Tsukuba, Tsukuba, Japan.
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Zhai S, Zhang Z, Zhang R, Peng Y, Zhang J, Zhang Y, Jin Q, Zhou J, Chen J. Community-dwelling older adults' perspectives on health risks: a qualitative study exploring anxieties, priorities, and expectations in ageing. BMC Public Health 2024; 24:1657. [PMID: 38907192 PMCID: PMC11191137 DOI: 10.1186/s12889-024-18878-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Accepted: 05/17/2024] [Indexed: 06/23/2024] Open
Abstract
BACKGROUND With the conflict between the promise of ageing in health and longevity and the limited availability of health resources and social support, older adults in China inevitably experience anxieties surrounding health risks. This study aims to investigate how older adults perceive the health risks that come with getting older, explore the degree to which health risks affect older adults, and advocate for active engagement in practices for managing health risks. METHODS Using purposive sampling, three districts of Beijing (Xicheng District, Fengtai District, and Daxing District, respectively) were selected for the research. Qualitative semi-structured and in-depth interviews were conducted with 70 community-dwelling older adults who participated in the study. Data were extracted and analyzed based on a thematic framework approach. RESULTS Three main themes were identified: (i) the anxieties of older adults concerning health risks in ageing; (ii) the priorities of older adults for health risk management in ageing; (iii) the expectations of older adults for health risk management in ageing. The primary health concerns among older adults included disease incidence and function decline. It was found that basic health management emerged as a critical need for older adults to mitigate health risks. Moreover, it was observed that healthcare support for older adults from familial, institutional, and governmental levels exhibited varying degrees of inadequacy. CONCLUSIONS The primary source of anxieties among older adults regarding health risks predominantly stems from a perceived sense of health deprivation. It is often compounded by persistent barriers to primary care of priorities in managing health risks among older adults. In addition, the expectations of older adults for health risk management emphasize the necessity for integrated care approaches. Therefore, further research should give priority to the prevention and management of health risks, aim to reduce anxieties, provide integrated care to meet the primary needs and expectations of older adults, and ultimately strive toward the overarching goal of promoting health and longevity.
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Affiliation(s)
- Shaoqi Zhai
- School of Medical Humanities, Capital Medical University, No.10, Xitoutiao, You An Men Wai, Beijing, 100069, China
| | - Zhiying Zhang
- Outpatient Office, Beijing Luhe Hospital, Capital Medical University, Beijing, 101149, China
| | - Ruyi Zhang
- Ethics Committee Office, Beijing Ditan Hospital, Capital Medical University, No. 8 Jingshun East Street, Chaoyang District, Beijing, 100015, China
| | - Yingchun Peng
- School of Medical Humanities, Capital Medical University, No.10, Xitoutiao, You An Men Wai, Beijing, 100069, China.
| | - Jiaying Zhang
- School of Medical Humanities, Capital Medical University, No.10, Xitoutiao, You An Men Wai, Beijing, 100069, China
| | - Yiyao Zhang
- School of Medical Humanities, Capital Medical University, No.10, Xitoutiao, You An Men Wai, Beijing, 100069, China
| | - Qilin Jin
- Cardiac Surgery Department, People's Hospital of Beijing Daxing District, No.26, Huangcun West Street, Daxing District, Beijing, 102600, China
| | - Jiaojiao Zhou
- Fengtai District Xiluoyuan Community Health Service Centre, Beijing, 100077, China
| | - Jingjing Chen
- Huairou District Liulimiao Community Health Service Centre, Beijing, 101499, China
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Chen S, Ling Y, Zhou F, Qiao X, Reinhardt JD. Trajectories of cognitive function among people aged 45 years and older living with diabetes in China: Results from a nationally representative longitudinal study (2011~2018). PLoS One 2024; 19:e0299316. [PMID: 38787866 PMCID: PMC11125531 DOI: 10.1371/journal.pone.0299316] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2023] [Accepted: 02/08/2024] [Indexed: 05/26/2024] Open
Abstract
OBJECTIVES Diabetes is associated with decline of cognitive function. Exploring different trajectories of cognitive function occurring in people with diabetes is important to improved prognosis. This study aimed to investigate differential patterns of trajectories of cognitive function and baseline determinants of trajectory group membership utilizing data from middle-aged and older Chinese adults with diabetes. METHODS Participants of the Chinese Health And Retirement Longitudinal Study (CHARLS) aged 45 years and above received biennial assessments between 2011 and 2018. The primary outcome was overall cognitive function score operationalized as sum of mental intactness and episodic memory scores derived from the Telephone Interview of Cognitive Status (TICS). A weighted growth mixture model was used to estimate cognitive function trajectories of CHARLS participants with diabetes, and baseline factors associated with trajectory group membership were investigated with weighted multinomial logistic regression. RESULTS Data from 1,463 participants with diabetes aged 45 years and above were analyzed, a three-group trajectory model showed the best fit for overall cognitive scores: low baseline, linear declining (22.1%); moderate baseline, linear declining (37.5%) and high-stable (40.3%). Older participants, females, participants with low education, with nighttime sleep <6 h, without daytime napping habits, and with depressive symptoms were at a higher risk of unfavorable cognitive function trajectories. CONCLUSIONS We identified heterogeneous trajectories of cognitive function among middle-aged and older people living with diabetes in China. Socially vulnerable groups including females, rural residents, and those with low education were at a higher risk for unfavorable trajectories. In health programs aimed at preventing and mitigating cognitive decline in individuals with diabetes more attention should be given to vulnerable groups. Reduced nighttime sleep, lack of daytime napping, and depressive symptoms appear to be modifiable risk factors.
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Affiliation(s)
- Shi Chen
- Institute for Disaster Management and Reconstruction of Sichuan University and Hong Kong Polytechnic University, Sichuan University, Chengdu, China
- West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, China
| | - Yuewei Ling
- Department of Management Science and Engineering, Stanford University, Stanford, CA, United States of America
| | - Faquan Zhou
- Department of Vascular Surgery, First Affiliated Hospital, Army Medical University (Third Military Medical University), Chongqing, China
| | - Xu Qiao
- Institute for Disaster Management and Reconstruction of Sichuan University and Hong Kong Polytechnic University, Sichuan University, Chengdu, China
- West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, China
| | - Jan D Reinhardt
- Institute for Disaster Management and Reconstruction of Sichuan University and Hong Kong Polytechnic University, Sichuan University, Chengdu, China
- Department of Health Sciences and Medicine, University of Lucerne, Lucerne, Switzerland
- Rehabilitation Medicine Centre, Jiangsu Province Hospital/Nanjing Medical University First Affiliated Hospital, Nanjing, China
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Chen S, Nagel CL, Liu R, Botoseneanu A, Allore HG, Newsom JT, Thielke S, Kaye J, Quiñones AR. Mental-somatic multimorbidity in trajectories of cognitive function for middle-aged and older adults. PLoS One 2024; 19:e0303599. [PMID: 38743678 PMCID: PMC11093294 DOI: 10.1371/journal.pone.0303599] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2023] [Accepted: 04/26/2024] [Indexed: 05/16/2024] Open
Abstract
INTRODUCTION Multimorbidity may confer higher risk for cognitive decline than any single constituent disease. This study aims to identify distinct trajectories of cognitive impairment probability among middle-aged and older adults, and to assess the effect of changes in mental-somatic multimorbidity on these distinct trajectories. METHODS Data from the Health and Retirement Study (1998-2016) were employed to estimate group-based trajectory models identifying distinct trajectories of cognitive impairment probability. Four time-varying mental-somatic multimorbidity combinations (somatic, stroke, depressive, stroke and depressive) were examined for their association with observed trajectories of cognitive impairment probability with age. Multinomial logistic regression analysis was conducted to quantify the association of sociodemographic and health-related factors with trajectory group membership. RESULTS Respondents (N = 20,070) had a mean age of 61.0 years (SD = 8.7) at baseline. Three distinct cognitive trajectories were identified using group-based trajectory modelling: (1) Low risk with late-life increase (62.6%), (2) Low initial risk with rapid increase (25.7%), and (3) High risk (11.7%). For adults following along Low risk with late-life increase, the odds of cognitive impairment for stroke and depressive multimorbidity (OR:3.92, 95%CI:2.91,5.28) were nearly two times higher than either stroke multimorbidity (OR:2.06, 95%CI:1.75,2.43) or depressive multimorbidity (OR:2.03, 95%CI:1.71,2.41). The odds of cognitive impairment for stroke and depressive multimorbidity in Low initial risk with rapid increase or High risk (OR:4.31, 95%CI:3.50,5.31; OR:3.43, 95%CI:2.07,5.66, respectively) were moderately higher than stroke multimorbidity (OR:2.71, 95%CI:2.35, 3.13; OR: 3.23, 95%CI:2.16, 4.81, respectively). In the multinomial logistic regression model, non-Hispanic Black and Hispanic respondents had higher odds of being in Low initial risk with rapid increase and High risk relative to non-Hispanic White adults. CONCLUSIONS These findings show that depressive and stroke multimorbidity combinations have the greatest association with rapid cognitive declines and their prevention may postpone these declines, especially in socially disadvantaged and minoritized groups.
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Affiliation(s)
- Siting Chen
- OHSU-PSU School of Public Health, Portland, Oregon, United States of America
| | - Corey L. Nagel
- College of Nursing, University of Arkansas for Medical Sciences, Little Rock, Arkansas, United States of America
| | - Ruotong Liu
- Department of Family Medicine, Oregon Health & Science University, Portland, Oregon, United States of America
| | - Anda Botoseneanu
- Department of Health & Human Services, University of Michigan, Dearborn, Michigan, United States of America
- Institute of Gerontology, University of Michigan, Ann Arbor, Michigan, United States of America
| | - Heather G. Allore
- Department of Internal Medicine, Yale University, New Haven, Connecticut, United States of America
- Department of Biostatistics, Yale University, New Haven, Connecticut, United States of America
| | - Jason T. Newsom
- Department of Psychology, Portland State University, Portland, Oregon, United States of America
| | - Stephen Thielke
- Department of Psychiatry and Behavioral Sciences, University of Washington, Seattle, Washington, United States of America
| | - Jeffrey Kaye
- Department of Neurology, Oregon Health & Science University, Portland, Oregon, United States of America
| | - Ana R. Quiñones
- OHSU-PSU School of Public Health, Portland, Oregon, United States of America
- Department of Family Medicine, Oregon Health & Science University, Portland, Oregon, United States of America
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Loaiza VM. An overview of the hallmarks of cognitive aging. Curr Opin Psychol 2024; 56:101784. [PMID: 38198908 DOI: 10.1016/j.copsyc.2023.101784] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2023] [Accepted: 12/08/2023] [Indexed: 01/12/2024]
Abstract
Although the notion of cognitive aging is commonly associated with decline in popular culture, a wealth of scientific literature shows that cognitive aging is more aptly characterized as multidirectional, such that trajectories of cognitive changes include areas of stability and growth (e.g., general knowledge) in addition to decline (e.g., episodic long-term memory). This article overviews these multidirectional trajectories, the heterogeneous factors that moderate the rate of change across individual trajectories, and the extensive literature that has investigated the most important factors, such as working memory, that constrain cognition across the adult lifespan. In light of the multidirectional nature of cognitive change, increasing research has considered methods to leverage the often-overlooked benefits of getting older to ameliorate cognitive deficits.
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Affiliation(s)
- Vanessa M Loaiza
- University of Sheffield, Department of Psychology, 219 Portobello, Sheffield, S1 4DP, United Kingdom.
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Cacciamani F, Bercu A, Bouteloup V, Grasset L, Planche V, Chêne G, Dufouil C. Understanding factors associated with the trajectory of subjective cognitive complaints in groups with similar objective cognitive trajectories. Alzheimers Res Ther 2023; 15:205. [PMID: 37993894 PMCID: PMC10666380 DOI: 10.1186/s13195-023-01348-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Accepted: 11/05/2023] [Indexed: 11/24/2023]
Abstract
BACKGROUND Cognitive complaints are often regarded as an early sign of Alzheimer's disease (AD) but may also occur in several other conditions and contexts. This study examines the correlates of cognitive complaint trajectories over a 5-year period in individuals who shared similar objective cognitive trajectories. METHODS We analyzed a subsample (n = 1748) of the MEMENTO cohort, consisting of individuals with subjective cognitive decline or mild cognitive impairment at baseline. Participants were stratified based on their latent MMSE trajectory over a 5-year period: "high and increasing," "subtle decline," and "steep decline." Within each of the three strata, we used a latent-class longitudinal approach to identify distinct trajectories of cognitive complaints. We then used multiple logistic regressions to examine the association between these complaint trajectories and several factors, including AD biomarkers (blood pTau/Aβ42 ratio, cortical thickness, APOE genotype), anxiety, depression, social relationships, a comorbidity-polypharmacy score, and demographic characteristics. RESULTS Among participants with high and increasing MMSE scores, greater baseline comorbidity-polypharmacy scores (odds ratio (OR) = 1.30, adjusted p = 0.03) were associated with higher odds of moderate and increasing cognitive complaints (as opposed to mild and decreasing complaints). Baseline depression and social relationships also showed significant associations with the complaint pattern but did not survive correction for multiple comparisons. Among participants with subtle decline in MMSE scores, greater baseline depression (OR = 1.76, adjusted p = 0.02) was associated with higher odds of moderate and increasing cognitive complaints (versus mild and decreasing). Similarly, baseline comorbidity-polypharmacy scores and pTau/Aβ42 ratio exhibited significant associations, but they did not survive correction. Among participants with a steep decline in MMSE scores, greater baseline comorbidity-polypharmacy scores increased the odds of moderate complaints (versus mild, OR = 1.38, unadjusted p = 0.03, adjusted p = 0.32), but this effect did not survive correction for multiple comparisons. CONCLUSIONS Despite similar objective cognitive trajectory, there is heterogeneity in the subjective perception of these cognitive changes. This perception was explained by both AD-related and, more robustly, non-AD-related factors. These findings deepen our understanding of the multifaceted nature of subjective cognitive complaints in individuals at risk for dementia and underscore the importance of considering a range of factors when interpreting cognitive complaints.
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Affiliation(s)
- Federica Cacciamani
- UMR 1219, Bordeaux Population Health Center, University of Bordeaux, Inserm, Bordeaux, F-33000, France.
- CIC 1401-EC, Inserm, University of Bordeaux, CHU de Bordeaux, F-33000, Bordeaux, France.
- ARAMISLab, Sorbonne Université, Institut du Cerveau - Paris Brain Institute - ICM, CNRS, Inria, Inserm, AP-HP, Hôpital de la Pitié Salpêtrière, Paris, F-75013, France.
- Qairnel SAS, Paris, France.
| | - Ariane Bercu
- UMR 1219, Bordeaux Population Health Center, University of Bordeaux, Inserm, Bordeaux, F-33000, France
| | - Vincent Bouteloup
- UMR 1219, Bordeaux Population Health Center, University of Bordeaux, Inserm, Bordeaux, F-33000, France
- CIC 1401-EC, Inserm, University of Bordeaux, CHU de Bordeaux, F-33000, Bordeaux, France
- Department of Public Health, CHU de Bordeaux, 33000, Bordeaux, France
| | - Leslie Grasset
- UMR 1219, Bordeaux Population Health Center, University of Bordeaux, Inserm, Bordeaux, F-33000, France
- CIC 1401-EC, Inserm, University of Bordeaux, CHU de Bordeaux, F-33000, Bordeaux, France
| | - Vincent Planche
- CHU de Bordeaux, Pôle de Neurosciences Cliniques, Centre Mémoire de Ressources Et de Recherche, 33000, Bordeaux, France
- University of Bordeaux, CNRS UMR 5293, Institut Des Maladies Neurodégénératives, 33000, Bordeaux, France
| | - Geneviève Chêne
- UMR 1219, Bordeaux Population Health Center, University of Bordeaux, Inserm, Bordeaux, F-33000, France
- CIC 1401-EC, Inserm, University of Bordeaux, CHU de Bordeaux, F-33000, Bordeaux, France
- Department of Public Health, CHU de Bordeaux, 33000, Bordeaux, France
| | - Carole Dufouil
- UMR 1219, Bordeaux Population Health Center, University of Bordeaux, Inserm, Bordeaux, F-33000, France
- CIC 1401-EC, Inserm, University of Bordeaux, CHU de Bordeaux, F-33000, Bordeaux, France
- Department of Public Health, CHU de Bordeaux, 33000, Bordeaux, France
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11
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Abraham N, Lyden K, Boucher R, Wei G, Gonce V, Carle J, Fornadi K, Supiano MA, Christensen J, Beddhu S. An intervention to decrease sedentary behavior in older adults: A secondary analysis of a randomized controlled trial. Obes Sci Pract 2023; 9:529-537. [PMID: 37810519 PMCID: PMC10551115 DOI: 10.1002/osp4.687] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2022] [Revised: 04/27/2023] [Accepted: 05/01/2023] [Indexed: 10/10/2023] Open
Abstract
Background Sedentary behaviors are associated with adverse health outcomes in older adults. The feasibility of behavioral interventions in this population is unclear. Methods In the Sit Less, Interact, Move More (SLIMM) trial of 106 participants who had obesity, those randomized to the SLIMM intervention (N = 54) were instructed to replace sedentary activities with stepping. An accelerometer was used to measure physical activity. In this secondary analysis, mixed effect models were used to examine the effects of the SLIMM intervention on sedentary and stepping durations and steps/day by age (<70 and ≥ 70 years). Results Mean ages in the <70 years (N = 47) and ≥70 years (N = 59) groups were 58 ± 11 and 78 ± 5. In the older subgroup, compared to standard-of-care (N = 29), the SLIMM intervention (N = 30) significantly increased stepping duration (13, 95%CI 1-24 min/d, p = 0.038) and steps per day (1330, 95% CI 322-2338, p = 0.01) and non-significantly decreased sedentary duration by (28,95% CI -61-5 min/d, p = 0.09). In the age <70 subgroup, there was no separation between the standard of care (N = 23) and SLIMM (N = 24) groups. Discussion In older adults who had obesity, SLIMM intervention significantly increased stepping duration and steps per day. Interventions targeting sedentary behaviors by promoting low intensity physical activity may be feasible in this population.
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Affiliation(s)
- Nikita Abraham
- Division of Nephrology & HypertensionUniversity of Utah Health SciencesSalt Lake CityUtahUSA
| | - Kate Lyden
- Department of KinesiologyUniversity of MassachusettsAmherstMassachusettsUSA
- Department of Health and Exercise ScienceColorado State UniversityFort CollinsColoradoUSA
| | - Robert Boucher
- Division of Nephrology & HypertensionUniversity of Utah Health SciencesSalt Lake CityUtahUSA
| | - Guo Wei
- Division of Nephrology & HypertensionUniversity of Utah Health SciencesSalt Lake CityUtahUSA
- Study Design and Biostatistics CenterUniversity of Utah Health SciencesSalt Lake CityUtahUSA
| | - Victoria Gonce
- Division of Nephrology & HypertensionUniversity of Utah Health SciencesSalt Lake CityUtahUSA
| | - Judy Carle
- Division of Nephrology & HypertensionUniversity of Utah Health SciencesSalt Lake CityUtahUSA
| | - Katalin Fornadi
- Division of Nephrology & HypertensionUniversity of Utah Health SciencesSalt Lake CityUtahUSA
| | - Mark A. Supiano
- Division of GeriatricsUniversity of Utah Health SciencesSalt Lake CityUtahUSA
| | - Jesse Christensen
- Department of Physical Medicine and RehabilitationVeterans Affairs Salt Lake City Health Care SystemSalt Lake CityUtahUSA
| | - Srinivasan Beddhu
- Division of Nephrology & HypertensionUniversity of Utah Health SciencesSalt Lake CityUtahUSA
- Medical ServiceVeterans Affairs Salt Lake City Health Care SystemSalt Lake CityUtahUSA
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12
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Suo J, Shen X, He J, Sun H, Shi Y, He R, Zhang X, Wang X, Xi Y, Liang W. Exploring cognitive trajectories and their association with physical performance: evidence from the China Health and Retirement Longitudinal Study. Epidemiol Health 2023; 45:e2023064. [PMID: 37448124 PMCID: PMC10667582 DOI: 10.4178/epih.e2023064] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Accepted: 06/13/2023] [Indexed: 07/15/2023] Open
Abstract
OBJECTIVES The long-term trends of cognitive function and its associations with physical performance remain unclear, particularly in Asian populations. The study objectives were to determine cognitive trajectories in middle-aged and elderly Chinese individuals, as well as to examine differences in physical performance across cognitive trajectory groups. METHODS Data were extracted from the China Health and Retirement Longitudinal Study. A total of 5,701 participants (47.7% male) with a mean age of 57.8 (standard deviation, 8.4) years at enrollment were included. A group-based trajectory model was used to identify cognitive trajectory groups for each sex. Grip strength, repeated chair stand, and standing balance tests were used to evaluate physical performance. An ordered logistic regression model was employed to analyze differences in physical performance across cognitive trajectory groups. RESULTS Three cognitive trajectory groups were identified for each sex: low, middle, and high. For both sexes, higher cognitive trajectory groups exhibited smaller declines with age. In the fully adjusted model, relative to the low trajectory group, the odds ratios (ORs) of better physical performance in the middle cognitive group were 1.37 (95% confidence interval [CI], 1.17 to 1.59; p<0.001) during follow-up and 1.40 (95% CI, 1.20 to 1.64; p<0.001) at the endpoint. The ORs in the high trajectory group were 1.94 (95% CI, 1.61 to 2.32; p<0.001) during follow-up and 2.04 (95% CI, 1.69 to 2.45; p<0.001) at the endpoint. CONCLUSIONS Cognitive function was better preserved in male participants and individuals with higher baseline cognitive function. A higher cognitive trajectory was associated with better physical performance over time.
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Affiliation(s)
- Jingdong Suo
- Vanke School of Public Health, Tsinghua University, Beijing, China
- Institute for Healthy China, Tsinghua University, Beijing, China
| | - Xianlei Shen
- Vanke School of Public Health, Tsinghua University, Beijing, China
- Institute for Healthy China, Tsinghua University, Beijing, China
| | - Jinyu He
- Vanke School of Public Health, Tsinghua University, Beijing, China
- Institute for Healthy China, Tsinghua University, Beijing, China
| | - Haoran Sun
- Vanke School of Public Health, Tsinghua University, Beijing, China
- Institute for Healthy China, Tsinghua University, Beijing, China
| | - Yu Shi
- Vanke School of Public Health, Tsinghua University, Beijing, China
- Institute for Healthy China, Tsinghua University, Beijing, China
| | - Rongxin He
- Vanke School of Public Health, Tsinghua University, Beijing, China
- Institute for Healthy China, Tsinghua University, Beijing, China
| | - Xiao Zhang
- Vanke School of Public Health, Tsinghua University, Beijing, China
- Institute for Healthy China, Tsinghua University, Beijing, China
| | - Xijie Wang
- Vanke School of Public Health, Tsinghua University, Beijing, China
- Institute for Healthy China, Tsinghua University, Beijing, China
| | - Yuandi Xi
- Vanke School of Public Health, Tsinghua University, Beijing, China
- Institute for Healthy China, Tsinghua University, Beijing, China
- Beijing Key Laboratory of Environmental Toxicology, School of Public Health, Capital Medical University, Beijing, China
| | - Wannian Liang
- Vanke School of Public Health, Tsinghua University, Beijing, China
- Institute for Healthy China, Tsinghua University, Beijing, China
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13
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Liu Y, Yang X, Xu Y, Wu Y, Zhong Y, Yang S. Cognitive Function and Depressive Symptoms among Chinese Adults Aged 40 Years and Above: The Mediating Roles of IADL Disability and Life Satisfaction. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2023; 20:4445. [PMID: 36901451 PMCID: PMC10002125 DOI: 10.3390/ijerph20054445] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Revised: 02/28/2023] [Accepted: 02/28/2023] [Indexed: 06/18/2023]
Abstract
The purpose of this study was to investigate the relationship between cognitive function and depressive symptoms among Chinese adults aged 40 years and above, as well as the series of multiple mediating effects of Instrument Activities of Daily Living disability and life satisfaction on this relationship. The data was obtained from the China Health and Retirement Longitudinal Study (CHARLS, 2013-2018), including 6466 adults aged 40 years and above. The mean age of the adults was 57.7 ± 8.5. The SPSS PROCESS macro program was conducted to examine the mediating effects. The results indicated that there was a significant association between cognitive function and depressive symptoms five years later (B = -0.1500, 95%CI: -0.1839, -0.1161), which could also be demonstrated through three mediation pathways: (1) the mediating pathway through IADL disability (B = -0.0247, 95%CI: -0.0332, -0.0171); (2) the mediating pathway through life satisfaction (B = 0.0046, 95%CI: 0.0000, 0.0094); and (3) the chain mediation pathway through IADL disability and life satisfaction (B = -0.0012, 95%CI: -0.0020, -0.0003). Both IADL disability and life satisfaction have been proven to be crucial mediators for the relationship between cognitive function and depressive symptoms five years later. It is necessary to improve individuals' cognitive function and reduce the negative impact of disability on them, which is important to enhance their life satisfaction and prevent depressive symptoms.
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14
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Jia S, Zhao W, Ge M, Xia X, Hu F, Hao Q, Zhang Y, Yang M, Yue J, Dong B. Associations between transitions of intrinsic capacity and frailty status, and 3-year disability. BMC Geriatr 2023; 23:96. [PMID: 36788484 PMCID: PMC9930336 DOI: 10.1186/s12877-023-03795-4] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Accepted: 02/02/2023] [Indexed: 02/16/2023] Open
Abstract
BACKGROUND The trajectory of frailty and intrinsic capacity (IC) often overlap in older adults. Longitudinal analyses of transitions of frailty and IC, and their associations with incident functional decline are limited. The present study aimed to identify transitions of frailty status and IC, and explore associations between transitions of frailty and IC, and future disability among community-dwelling older adults. METHODS In the West China and Aging Trend Study, 808 participants aged ≥ 60 years completed baseline and three years follow-up (frailty, IC and disability assessments). Physical frailty was measured based on Fried phenotype. IC was evaluated by five domains (cognition, locomotion, sensory, psychological, and vitality). Disability was defined as a need for assistance in any items in activity of daily living (ADL) or the instrumental activity of daily living (IADL). Logistic regressions were performed to examine their relationships. RESULTS Four transitions of IC status (kept well: 27.4%, improved: 8.4%, worsened: 35.4%, and kept poor: 28.8%), and two transitions of frailty status (kept not-frail/improved: 93.2%, kept frail/worsened: 6.8%) were identified. Impaired locomotion and vitality at baseline were significantly associated with kept frail or worsened frail. However, impaired sensory and vitality at baseline not frailty status was significantly associated with transitions of IC. Adjusted for covariates and transitions of frailty, kept poor IC was associated with ADL (OR = 2.26, 95%CI = 1.17,4.34) and IADL disability (OR = 3.74, 95%CI = 1.79, 7.82). CONCLUSIONS Transitions of IC, but not frailty were associated with higher risk of incident disability. Baseline locomotion and vitality impairment were associated with worsened or kept frail. Our findings support the WHO's notion of monitoring and optimizing IC to delay deterioration of IC and preventing frailty and disability. CLINICAL TRIAL NUMBER ChiCTR1800018895.
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Affiliation(s)
- Shuli Jia
- grid.412901.f0000 0004 1770 1022National Clinical Research Center of Geriatrics, West China Hospital, Sichuan University, No. 37, Guo Xue Xiang Renmin Nan Lu, Chengdu, 610041 Sichuan China
| | - Wanyu Zhao
- grid.412901.f0000 0004 1770 1022National Clinical Research Center of Geriatrics, West China Hospital, Sichuan University, No. 37, Guo Xue Xiang Renmin Nan Lu, Chengdu, 610041 Sichuan China ,grid.412901.f0000 0004 1770 1022Center of Gerontology and Geriatrics, West China Hospital, Sichuan University, No. 37, Guo Xue Xiang Renmin Nan Lu, Chengdu, 610041 Sichuan China
| | - Meiling Ge
- grid.412901.f0000 0004 1770 1022National Clinical Research Center of Geriatrics, West China Hospital, Sichuan University, No. 37, Guo Xue Xiang Renmin Nan Lu, Chengdu, 610041 Sichuan China ,grid.412901.f0000 0004 1770 1022Center of Gerontology and Geriatrics, West China Hospital, Sichuan University, No. 37, Guo Xue Xiang Renmin Nan Lu, Chengdu, 610041 Sichuan China
| | - Xin Xia
- grid.412901.f0000 0004 1770 1022National Clinical Research Center of Geriatrics, West China Hospital, Sichuan University, No. 37, Guo Xue Xiang Renmin Nan Lu, Chengdu, 610041 Sichuan China ,grid.412901.f0000 0004 1770 1022Center of Gerontology and Geriatrics, West China Hospital, Sichuan University, No. 37, Guo Xue Xiang Renmin Nan Lu, Chengdu, 610041 Sichuan China
| | - Fengjuan Hu
- grid.412901.f0000 0004 1770 1022National Clinical Research Center of Geriatrics, West China Hospital, Sichuan University, No. 37, Guo Xue Xiang Renmin Nan Lu, Chengdu, 610041 Sichuan China
| | - Qiukui Hao
- grid.412901.f0000 0004 1770 1022National Clinical Research Center of Geriatrics, West China Hospital, Sichuan University, No. 37, Guo Xue Xiang Renmin Nan Lu, Chengdu, 610041 Sichuan China ,grid.412901.f0000 0004 1770 1022Center of Gerontology and Geriatrics, West China Hospital, Sichuan University, No. 37, Guo Xue Xiang Renmin Nan Lu, Chengdu, 610041 Sichuan China ,grid.25073.330000 0004 1936 8227School of Rehabilitation Science, McMaster University, Hamilton, ON Canada
| | - Yan Zhang
- grid.412901.f0000 0004 1770 1022National Clinical Research Center of Geriatrics, West China Hospital, Sichuan University, No. 37, Guo Xue Xiang Renmin Nan Lu, Chengdu, 610041 Sichuan China
| | - Mei Yang
- grid.412901.f0000 0004 1770 1022National Clinical Research Center of Geriatrics, West China Hospital, Sichuan University, No. 37, Guo Xue Xiang Renmin Nan Lu, Chengdu, 610041 Sichuan China
| | - Jirong Yue
- grid.412901.f0000 0004 1770 1022National Clinical Research Center of Geriatrics, West China Hospital, Sichuan University, No. 37, Guo Xue Xiang Renmin Nan Lu, Chengdu, 610041 Sichuan China ,grid.412901.f0000 0004 1770 1022Center of Gerontology and Geriatrics, West China Hospital, Sichuan University, No. 37, Guo Xue Xiang Renmin Nan Lu, Chengdu, 610041 Sichuan China
| | - Birong Dong
- National Clinical Research Center of Geriatrics, West China Hospital, Sichuan University, No. 37, Guo Xue Xiang Renmin Nan Lu, Chengdu, 610041, Sichuan, China. .,Center of Gerontology and Geriatrics, West China Hospital, Sichuan University, No. 37, Guo Xue Xiang Renmin Nan Lu, Chengdu, 610041, Sichuan, China.
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15
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Ma C, Li M, Li R, Wu C. The effect of rhythmic movement on physical and cognitive functions among cognitively healthy older adults: A systematic review and meta-analysis. Arch Gerontol Geriatr 2023; 104:104837. [PMID: 36257163 DOI: 10.1016/j.archger.2022.104837] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Revised: 10/05/2022] [Accepted: 10/10/2022] [Indexed: 11/05/2022]
Abstract
OBJECTIVE To explore the effects of rhythmic movement interventions on the physical and cognitive functions among cognitively healthy older adults. METHODS We searched PubMed, Web of Science, Cochrane Library, EMBASE, CNKI, CBM, Wanfang Data, and VIP databases from inception to March 30, 2022. The inclusion criteria were: ① randomized controlled trials (RCTs); ② older adults (aged ≥ 60 years) without cognitive impairments or neurological or neurodegenerative diseases; ③ intervention: rhythmic movement (rhythmic exercise or physical activities performed to music); ④ outcomes: physical or cognitive function. Overall, 44 RCTs across 20 countries (n = 2752 participants) were included. RESULTS An association was found between rhythmic movement and improved physical function (mobility, cardiopulmonary endurance, muscle strength, flexibility, and balance), global cognitive function, and quality of life (QOL). The physical function outcomes suggested additional significant benefits when using control groups with no exercise than when using control groups with exercise. No significant improvement was found in executive function. CONCLUSION Regular rhythmic movement likely improves physical function, global cognitive function, and QOL in healthy older adults. The effect of rhythmic movement on the physical function in older adults is similar to that of routine exercise. Further studies on cognitive function of healthy older adults using larger samples of populations with more balanced sex ratios with long-term follow-up are particularly encouraged.
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Affiliation(s)
- Chifen Ma
- School of Nursing, Peking University, Health Science Center, Room 510, 38 Xueyuan Road, Haidian District, Beijing 100191, China; College of Health Services and Management, Xuzhou Kindergarten Teachers College, Xuzhou, China
| | - Mengyuan Li
- School of Nursing, Peking University, Health Science Center, Room 510, 38 Xueyuan Road, Haidian District, Beijing 100191, China
| | - Ruyue Li
- School of Nursing, Peking University, Health Science Center, Room 510, 38 Xueyuan Road, Haidian District, Beijing 100191, China
| | - Chao Wu
- School of Nursing, Peking University, Health Science Center, Room 510, 38 Xueyuan Road, Haidian District, Beijing 100191, China.
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16
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Tang KF, Teh PL, Lee SWH. Cognitive Frailty and Functional Disability Among Community-Dwelling Older Adults: A Systematic Review. Innov Aging 2023; 7:igad005. [PMID: 36908650 PMCID: PMC9999676 DOI: 10.1093/geroni/igad005] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Indexed: 01/25/2023] Open
Abstract
Background and Objectives This review aimed to summarize the association between cognitive frailty (presence of frailty and cognitive impairment) and the risk of disabilities in activities of daily living (ADL), instrumental ADL (IADL), mobility, or other functional disabilities among older adults. Research Design and Methods PubMed, Embase, CINAHL Plus, and PsycINFO were searched from January 2001 to May 14, 2022, for observational studies that reported cognitive frailty among community-dwelling individuals aged 60 years and above. Results were narratively synthesized. Results Eleven studies encompassing 44 798 participants were included, with a prevalence of cognitive frailty ranging from 1.4% to 39.3%. Individuals with cognitive frailty were more likely to develop disabilities in ADL and IADL compared to robust (absence of frailty and cognitive impairment) individuals. Significant disability burden and elevated risk of combined ADL/IADL disability or physical limitation among participants with cognitive frailty were reported. There was limited evidence on the association between cognitive frailty and mobility disability. Discussion and Implications Individuals with cognitive frailty were likely at higher risk of developing functional disability and incurring higher disability burden than robust individuals, but evidence remains limited for those with prefrailty with cognitive impairment. Further research on this gap and standardization of cognitive frailty assessments would facilitate comparisons across populations. PROSPERO Registration CRD42021232222.
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Affiliation(s)
- Kar Foong Tang
- School of Pharmacy, Monash University Malaysia, Selangor, Malaysia
| | - Pei-Lee Teh
- School of Business, Monash University Malaysia, Selangor, Malaysia
- Gerontechnology Laboratory, Monash University Malaysia, Selangor, Malaysia
| | - Shaun Wen Huey Lee
- Address correspondence to: Shaun Wen Huey Lee, PhD, School of Pharmacy, Monash University Malaysia, Jalan Lagoon Selatan, 47500 Bandar Sunway, Selangor, Malaysia. E-mail:
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17
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Li X, Yang W, Wang J, Dove A, Qi X, Bennett DA, Xu W. High lifelong cognitive reserve prolongs disability-free survival: The role of cognitive function. Alzheimers Dement 2023; 19:208-216. [PMID: 35347843 PMCID: PMC10084126 DOI: 10.1002/alz.12670] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2021] [Revised: 02/15/2022] [Accepted: 03/07/2022] [Indexed: 01/18/2023]
Abstract
INTRODUCTION The association between cognitive reserve (CR) and survival with independence is unknown. We examined whether lifelong CR accumulation is associated with disability-free survival and explored the extent to which cognitive function mediates this association. METHODS Within the Rush Memory and Aging Project, 1633 dementia- and disability-free participants were followed annually for up to 22 years. Lifelong CR including education, early-/mid-/late-life cognitive activities, and late-life social activity was assessed and tertiled. RESULTS CR score was dose-dependently associated with disability/death (hazard ratio [HR] 0.96, 95% confidence interval [CI] 0.93-0.99). Compared to low CR, the HR (95% CI) of disability/death was 0.82 (0.70-0.95) for high CR. The median disability-free survival time was prolonged by 0.99 (95% CI 0.28-1.71) years for participants with high CR. Cognitive function mediated 35.7% of the association between CR and disability-free survival. DISCUSSION High lifelong CR was associated with prolonged disability-free survival. Cognitive function mediates about one-third of this association. Our findings underscore the importance of CR for healthy aging.
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Affiliation(s)
- Xuerui Li
- Department of Epidemiology and Biostatistics, School of Public Health, Tianjin Medical University, Tianjin, China.,Tianjin Key Laboratory of Environment, Nutrition and Public Health, Tianjin, China.,Center for International Collaborative Research on Environment, Nutrition and Public Health, Tianjin, China
| | - Wenzhe Yang
- Department of Epidemiology and Biostatistics, School of Public Health, Tianjin Medical University, Tianjin, China.,Tianjin Key Laboratory of Environment, Nutrition and Public Health, Tianjin, China.,Center for International Collaborative Research on Environment, Nutrition and Public Health, Tianjin, China
| | - Jiao Wang
- Department of Epidemiology and Biostatistics, School of Public Health, Tianjin Medical University, Tianjin, China.,Tianjin Key Laboratory of Environment, Nutrition and Public Health, Tianjin, China.,Center for International Collaborative Research on Environment, Nutrition and Public Health, Tianjin, China
| | - Abigail Dove
- Aging Research Center, Department of Neurobiology, Care Sciences and Society, Karolinska Institutet, Stockholm, Sweden
| | - Xiuying Qi
- Department of Epidemiology and Biostatistics, School of Public Health, Tianjin Medical University, Tianjin, China.,Tianjin Key Laboratory of Environment, Nutrition and Public Health, Tianjin, China.,Center for International Collaborative Research on Environment, Nutrition and Public Health, Tianjin, China
| | - David A Bennett
- Rush Alzheimer's Disease Center, Rush University Medical Center, Chicago, Illinois, USA
| | - Weili Xu
- Department of Epidemiology and Biostatistics, School of Public Health, Tianjin Medical University, Tianjin, China.,Tianjin Key Laboratory of Environment, Nutrition and Public Health, Tianjin, China.,Center for International Collaborative Research on Environment, Nutrition and Public Health, Tianjin, China.,Aging Research Center, Department of Neurobiology, Care Sciences and Society, Karolinska Institutet, Stockholm, Sweden
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18
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Kubinyi E. Biologia Futura: four questions about ageing and the future of relevant animal models. Biol Futur 2022; 73:385-391. [PMID: 36131217 DOI: 10.1007/s42977-022-00135-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Accepted: 09/02/2022] [Indexed: 01/10/2023]
Abstract
Understanding how active and healthy ageing can be achieved is one of the most relevant global problems. In this review, I use the "Four questions" framework of Tinbergen to investigate how ageing works, how it might contribute to the survival of species, how it develops during the lifetime of (human) individuals and how it evolved. The focus of ageing research is usually on losses, although trajectories in later life show heterogeneity and many individuals experience healthy ageing. In humans, mild changes in cognition might be a typical part of ageing, but deficits are a sign of pathology. The ageing of the world's populations, and relatedly, the growing number of pathologically ageing people, is one of the major global problems. Animal models can help to understand the intrinsic and extrinsic factors contributing to ageing.
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Affiliation(s)
- Enikő Kubinyi
- Department of Ethology, ELTE Eötvös Loránd University, Budapest, Hungary. .,MTA-ELTE Lendület "Momentum" Companion Animal Research Group, Budapest, Hungary.
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Wittlinger T, Bekić S, Guljaš S, Periša V, Volarić M, Trtica Majnarić L. Patterns of the physical, cognitive, and mental health status of older individuals in a real-life primary care setting and differences in coping styles. Front Med (Lausanne) 2022; 9:989814. [PMID: 36388902 PMCID: PMC9650321 DOI: 10.3389/fmed.2022.989814] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Accepted: 09/08/2022] [Indexed: 12/05/2022] Open
Abstract
Background Physical frailty and cognitive decline are two major consequences of aging and are often in older individuals, especially in those with multimorbidity. These two disorders are known to usually coexist with each other, increasing the risk of each disorder for poor health outcomes. Mental health disorders, anxiety and depression, are common in older people with multimorbidity, in particular those with functional or sensory deficits, and frailty. Purpose The aim of this study was to show how physical frailty, cognitive impairments and mental disorders, cluster in the real life setting of older primary care (PC) patients, and how these clusters relate to age, comorbidities, stressful events, and coping strategies. Knowing that, could improve risk stratification of older individuals and guide the action plans. Methods Participants were older individuals (≥60, N = 263), attenders of PC, independent of care of others, and not suffering from dementia. For screening participants on physical frailty, cognitive impairment, and mental disorders, we used Fried‘s phenotype model, the Mini-Mental State Examination (MMSE), the Geriatric Anxiety Scale (GAS), and the Geriatric Depression Scale (GDS). For testing participants on coping styles, we used the 14-scale Brief-Coping with Problems Experienced (Brief-COPE) questionnaire. To identify clusters, we used the algorithm fuzzy k-means. To further describe the clusters, we examined differences in age, gender, number of chronic diseases and medications prescribed, some diagnoses of chronic diseases, the number of life events, body mass index, renal function, expressed as the glomerular filtration rate, and coping styles. Results The most appropriate cluster solution was the one with three clusters, that were termed as: functional (FUN; N = 139), with predominant frailty or dysfunctional (DFUN; N = 81), and with predominant cognitive impairments or cognitively impaired (COG-IMP; N = 43). Participants in two pathologic clusters, DFUN and COG-IMP, were in average older and had more somatic diseases, compared to participants in cluster FUN. Significant differences between the clusters were found in diagnoses of osteoporosis, osteoarthritis, anxiety/depression, cerebrovascular disease, and periphery artery disease. Participants in cluster FUN expressed mostly positive reframing coping style. Participants in two pathological clusters were represented with negative coping strategies. Religion and self-blame were coping mechanisms specific only for cluster DFUN; self-distraction only for cluster COG-IMP; and these two latter clusters shared the mechanisms of behavioral disengagement and denial. Conclusion The research approach presented in this study may help PC providers in risk stratification of older individuals and in getting insights into behavioral and coping strategies of patients with similar comorbidity patterns and functional disorders, which may guide them in preparing prevention and care plans. By providing some insights into the common mechanisms and pathways of clustering frailty, cognitive impairments and mental disorders, this research approach is useful for creating new hypotheses and in accelerating geriatric research.
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Affiliation(s)
| | - Sanja Bekić
- Faculty of Medicine, Josip Juraj Strossmayer University of Osijek, Osijek, Croatia
- Department of Family Medicine, Faculty of Medicine, Josip Juraj Strossmayer University of Osijek, Osijek, Croatia
| | - Silva Guljaš
- Faculty of Medicine, Josip Juraj Strossmayer University of Osijek, Osijek, Croatia
| | - Vlatka Periša
- Faculty of Medicine, Josip Juraj Strossmayer University of Osijek, Osijek, Croatia
| | - Mile Volarić
- Faculty of Medicine, Josip Juraj Strossmayer University of Osijek, Osijek, Croatia
| | - Ljiljana Trtica Majnarić
- Faculty of Medicine, Josip Juraj Strossmayer University of Osijek, Osijek, Croatia
- Department of Family Medicine, Faculty of Medicine, Josip Juraj Strossmayer University of Osijek, Osijek, Croatia
- *Correspondence: Ljiljana Trtica Majnarić
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20
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Martin P, Poon LW, Lee G, Obhi HK, Kallianpur KJ, Willcox B, Masaki K. A 13-Year Time-Lagged Description of General Cognitive and Functional Abilities in Older Men: A Cross-Lagged Panel Model. J Aging Health 2022; 35:335-344. [PMID: 36194185 DOI: 10.1177/08982643221130381] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Objectives: The purpose of this study was to evaluate a cross-lagged panel model of general cognition and functional abilities over 13 years. The goal was to determine whether general cognitive abilities predict or precede functional decline versus functional abilities predicting cognitive decline. Methods: The sample included 3508 men (71-93 years of age at baseline) of the Kuakini Honolulu-Asia Aging Study who were tested repeatedly using a global cognitive test and an assessment of functional capacity. Education and age served as covariates. Cross-lagged models were tested, assessing stationarity of stability and cross-lags. Results: The overall model fit the data well. Cognitive scores had better stability than functional abilities and predicted functional abilities more strongly than functional abilities predicted cognitive scores over time. The strength of all cross-lags increased over time. Discussion: These longitudinal data show that cognitive scores predicted functional decline in a population-based study of older men.
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Affiliation(s)
| | | | - Gina Lee
- 1177Iowa State University, Ames, USA
| | | | - Kalpana J Kallianpur
- 3950Kuakini Medical Center, Honolulu, HI, USA.,University of Hawaii, Honolulu, USA
| | - Bradley Willcox
- 3950Kuakini Medical Center, Honolulu, HI, USA.,University of Hawaii, Honolulu, USA
| | - Kamal Masaki
- 3950Kuakini Medical Center, Honolulu, HI, USA.,University of Hawaii, Honolulu, USA
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21
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Han C, An J, Chan P. Effects of cognitive ageing trajectories on multiple adverse outcomes among Chinese community-dwelling elderly population. BMC Geriatr 2022; 22:692. [PMID: 35996087 PMCID: PMC9396872 DOI: 10.1186/s12877-022-03387-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Accepted: 08/02/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Whether cognitive ageing trajectory is related to common functional deficits independent of initial cognitive function remains inconclusive. We aimed to explore the adverse health effect and potential predictive factors of distinct cognitive trajectories among Chinese older adults. METHODS Three thousand five hundred eighty-one community-dwelling older adults who completed three consecutive cognitive function examinations with the Mini-Mental State Examination (MMSE) over 5 years and were without cognitive impairment at enrollment were included. A group-based trajectory model was used to estimate cognitive ageing trajectories. Multivariable-adjusted odds ratio (OR) and 95% confidence intervals (CI) were computed with logistic regression models to identify potential baseline determinants and health effect of cognitive trajectories on various adverse outcomes. RESULTS Two distinct cognitive ageing trajectories were identified with about 5.3% of the study participants ascribed to the rapidly decreasing group. Subjects with rapidly decreasing cognition showed significantly higher odds (OR, 95%CI) of experiencing frailty (4.04, 2.77-5.86), falls (2.01, 1.05-3.70), balance impairment (4.20, 2.75-6.38), high fall risk (5.66, 2.67-11.77) based on the Tinetti total score, disability in activities of daily living (1.76, 1.19-2.56), disability in instrumental activities of daily living (1.52, 1.05-2.19), and motor cognitive risk syndrome (2.24, 1.23-3.98) compared with their steadily decreasing counterparts. Individuals with older age, low education level, no marriage, high score of rapid eye movement behavior disorders, poor physical and cognitive function at baseline were more predisposed to an accelerated cognitive decline. CONCLUSIONS Faster cognitive decline was independently associated with higher risk of multiple adverse events. Our findings put more emphasis on a routine and constant surveillance of cognitive function among community-dwelling older adults.
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Affiliation(s)
- Chao Han
- National Clinical Research Center for Geriatric Disorders, Xuanwu Hospital of Capital Medical University, Beijing, China
| | - Jing An
- National Clinical Research Center for Geriatric Disorders, Xuanwu Hospital of Capital Medical University, Beijing, China
| | - Piu Chan
- National Clinical Research Center for Geriatric Disorders, Xuanwu Hospital of Capital Medical University, Beijing, China. .,Department of Neurobiology, Neurology and Geriatrics, Beijing Institute of Geriatrics, Clinical Center for Parkinson's Disease, Key Laboratories for Neurodegenerative Diseases of the Ministry of Education; Beijing Key Laboratory for Parkinson's Disease, Parkinson Disease Center of Beijing Institute for Brain Disorders, Advanced Innovative Center for Human Brain Protection, Xuanwu Hospital of Capital Medical University, 45 Changchun Road, Beijing, 100053, China.
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22
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Wu Z, Woods RL, Chong TTJ, Orchard SG, Shah RC, Wolfe R, Storey E, Sheets KM, Murray AM, McNeil JJ, Ryan J. Cognitive Trajectories in Community-Dwelling Older Adults and Incident Dementia, Disability and Death: A 10-Year Longitudinal Study. Front Med (Lausanne) 2022; 9:917254. [PMID: 35833102 PMCID: PMC9271785 DOI: 10.3389/fmed.2022.917254] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2022] [Accepted: 05/30/2022] [Indexed: 11/13/2022] Open
Abstract
ObjectiveThe inter-individual variability in cognitive changes may be early indicators of major health events. We aimed to determine whether late-life cognitive trajectories were associated with incident dementia, persistent physical disability and all-cause mortality.MethodsData came from a cohort of older community-dwelling individuals aged 70 years or above in Australia and the United States. Global cognition, verbal fluency, episodic memory and psychomotor speed were assessed regularly at up to seven waves between 2010 and 2017. Dementia, disability in activities of daily living, and death were adjudicated between 2017 and 2020. Latent classes of cognitive trajectories over seven years were determined using group-based trajectory modeling. Multivariable logistic regression was used for the prospective associations between cognitive trajectories and these outcomes.ResultsCognitive trajectories were defined for 16,174 participants (mean age: 78.9 years; 56.7% female) who were alive and without incident dementia or disability by 2017, among which 14,655 participants were included in the association analysis. Between three and five trajectory classes were identified depending on the cognitive test. Cognitive trajectories were strongly associated with the risk of dementia. For example, compared to those in the highest-functioning trajectory, the worst performers of episodic memory had a 37-fold increased risk of dementia (95% CI: 17.23–82.64). The lowest trajectories of both global cognition and episodic memory also predicted increased mortality risk (OR: 1.80, 95% CI: 1.28–2.52; OR: 1.61, 95% CI: 1.09–2.36, respectively), while only slow psychomotor speed was marginally associated with physical disability (OR: 2.39, 95% CI: 0.99–5.77).ConclusionsIn older individuals, cognitive trajectories appear to be early indicators of clinically relevant health outcomes. Systematic cognitive assessments as part of routine geriatric evaluation may facilitate early identification and interventions for those individuals at highest risk.
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Affiliation(s)
- Zimu Wu
- School of Public Health and Preventive Medicine, Monash University, Melbourne, VIC, Australia
| | - Robyn L. Woods
- School of Public Health and Preventive Medicine, Monash University, Melbourne, VIC, Australia
| | - Trevor T. J. Chong
- Turner Institute for Brain and Mental Health, Monash University, Melbourne, VIC, Australia
- Department of Neurology, Alfred Health, Melbourne, VIC, Australia
- Department of Clinical Neurosciences, St Vincent's Hospital, Melbourne, VIC, Australia
| | - Suzanne G. Orchard
- School of Public Health and Preventive Medicine, Monash University, Melbourne, VIC, Australia
| | - Raj C. Shah
- Department of Family Medicine and Rush Alzheimer's Disease Center, Rush University Medical Center, Chicago, IL, United States
| | - Rory Wolfe
- School of Public Health and Preventive Medicine, Monash University, Melbourne, VIC, Australia
| | - Elsdon Storey
- School of Public Health and Preventive Medicine, Monash University, Melbourne, VIC, Australia
| | - Kerry M. Sheets
- Division of Geriatrics and Palliative Medicine, Department of Medicine, Hennepin Healthcare, Minneapolis, MN, United States
| | - Anne M. Murray
- Berman Center for Outcomes and Clinical Research, Hennepin Healthcare Research Institute, Minneapolis, MN, United States
| | - John J. McNeil
- School of Public Health and Preventive Medicine, Monash University, Melbourne, VIC, Australia
| | - Joanne Ryan
- School of Public Health and Preventive Medicine, Monash University, Melbourne, VIC, Australia
- *Correspondence: Joanne Ryan
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23
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Wang J, Wang J, Li X, Wang Z, Qi X, Dove A, Bennett DA, Xu W. Association of Pulmonary Function With Motor Function Trajectories and Disability Progression Among Older Adults: A Long-Term Community-Based Cohort Study. J Gerontol A Biol Sci Med Sci 2022; 77:2524-2531. [PMID: 35512113 PMCID: PMC9799204 DOI: 10.1093/gerona/glac085] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Indexed: 01/20/2023] Open
Abstract
BACKGROUND The association of pulmonary function (PF) with motor function and disability remains unclear. We investigate the association of PF with motor function trajectories and disability progression, and explore the role of social activity, cognitive function, and cardiovascular diseases (CVDs) in this relationship. METHODS Within the Rush Memory and Aging Project, 1 403 disability-free participants (mean age: 79.28 years) were followed for up to 22 years. PF was measured with a composite score based on peak expiratory flow, forced expiratory volume in 1 second, and forced vital capacity at baseline. Global motor function including dexterity, gait, and hand strength was assessed annually using 10 motor tests. Disability was evaluated according to the basic activities of daily living. Social activity was defined as the frequency of common types of social interaction. Global cognitive function was assessed using a battery of 19 cognitive performance tests. CVDs (including stroke, congestive heart failure, and heart diseases) were ascertained at baseline. Linear mixed-effects models were used. RESULTS Compared to high PF, low PF was related to faster decline in global motor function (β = -0.005, 95% confidence interval [CI]: -0.008 to -0.001) and all 3 specific motor abilities (p < .05), as well as faster progression of disability (β = 0.012, 95% CI: 0.009 to 0.014). There was a statistically significant interaction between PF and social activity/cognitive function on disability progression (β = 0.005, 95% CI: 0.001 to 0.009, p = .010/β = 0.004, 95% CI: 0.001 to 0.009, p = .025). CONCLUSION Poor PF accelerates motor function decline and the progression of disability. A high level of social activity and cognitive function appear to decelerate disability progression related to poor PF.
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Affiliation(s)
| | | | - Xuerui Li
- Department of Epidemiology and Biostatistics, School of Public Health, Tianjin Medical University, Tianjin, China,Tianjin Key Laboratory of Environment, Nutrition and Public Health, Tianjin, China,Center for International Collaborative Research on Environment, Nutrition, and Public Health, Tianjin, China
| | - Zhangyu Wang
- Department of Epidemiology and Biostatistics, School of Public Health, Tianjin Medical University, Tianjin, China,Tianjin Key Laboratory of Environment, Nutrition and Public Health, Tianjin, China,Center for International Collaborative Research on Environment, Nutrition, and Public Health, Tianjin, China
| | - Xiuying Qi
- Address correspondence to: Xiuying Qi, PhD, Department of Epidemiology and Biostatistics, School of Public Health, Tianjin Medical University, Qixiangtai Road 22, Heping District, 300070, Tianjin, China. E-mail: ; Weili Xu, PhD, Aging Research Center, Department of Neurobiology, Care Sciences and Society, Karolinska Institutet, Tomtebodavägen 18A Floor 10, SE-171 65 Solna, Stockholm, Sweden. E-mail: ;
| | - Abigail Dove
- Aging Research Center, Department of Neurobiology, Care Sciences and Society, Karolinska Institutet, Stockholm, Sweden
| | | | - Weili Xu
- Address correspondence to: Xiuying Qi, PhD, Department of Epidemiology and Biostatistics, School of Public Health, Tianjin Medical University, Qixiangtai Road 22, Heping District, 300070, Tianjin, China. E-mail: ; Weili Xu, PhD, Aging Research Center, Department of Neurobiology, Care Sciences and Society, Karolinska Institutet, Tomtebodavägen 18A Floor 10, SE-171 65 Solna, Stockholm, Sweden. E-mail: ;
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24
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Yao SS, Xu HW, Han L, Wang K, Cao GY, Li N, Luo Y, Chen YM, Su HX, Chen ZS, Huang ZT, Hu YH, Xu B. Multimorbidity measures differentially predicted mortality among older Chinese adults. J Clin Epidemiol 2022; 146:97-105. [DOI: 10.1016/j.jclinepi.2022.03.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2021] [Revised: 01/26/2022] [Accepted: 03/02/2022] [Indexed: 11/15/2022]
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Trajectories of Concurrent Depressive Symptoms and Cognitive Function on Health Outcomes and Mortality among Older Mexican Americans. Arch Gerontol Geriatr 2022; 100:104663. [PMID: 35248914 PMCID: PMC9036192 DOI: 10.1016/j.archger.2022.104663] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2021] [Revised: 02/15/2022] [Accepted: 02/15/2022] [Indexed: 11/23/2022]
Abstract
BACKGROUND We sought to identify distinctive concurrent trajectory classes of depressive symptoms (DS) and cognitive function (CF) in Mexican Americans aged 75+ years, and to examine whether these trajectories were associated with an increased risk of adverse outcomes. METHODS We used 4 waves of Hispanic Established Populations for Epidemiologic Studies of the Elderly (H-EPESE) data from 2004 to 5 to 2013. Latent growth curve analysis was used to identify distinctive concurrent trajectory classes of DS and CF. Generalized linear mixed models were further used to examine the association between the concurrent trajectories and health outcomes. Cox proportional hazards regression model was used to examine the risk of mortality as a function of the concurrent trajectories. RESULTS 1,302 older adults followed-up approximately 9-years were successfully classified into 6 distinct concurrent trajectory classes of DS (low-increasing, high) and CF (high, high-declining, medium-declining). Compared to the co-occurrence of low DS and high CF trajectories, those with the high DS and declining CF trajectories were at greater risk of ADL and IADL functional limitations (1.6 - 2.9 times), more medical visits (1.3 - 1.4 times), hospital admissions (1.6 - 1.9 times), and mortality (1.7 - 2.6 times). CONCLUSIONS Differences in adverse health outcomes across concurrent trajectory classes of DS and CF suggest that differences in underlying co-occurrence and progression have important implications for public health interventions as well as development of aging social and health policies.
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Adverse childhood experiences and cognitive function in adulthood: examining the roles of depressive symptoms and inflammation in a prospective cohort study. Soc Psychiatry Psychiatr Epidemiol 2022; 57:2367-2377. [PMID: 35753000 PMCID: PMC9244111 DOI: 10.1007/s00127-022-02315-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Accepted: 05/18/2022] [Indexed: 11/17/2022]
Abstract
PURPOSE Adverse childhood experiences (ACEs) have been associated with cognitive decline in adulthood. However, the underlying mechanisms implicated remain unclear. This study investigated depressive symptoms and systemic inflammation as potential mediators of the association between ACEs and later cognitive function. METHODS Participants were adults aged 50 + from the English Longitudinal Study of Ageing (N = 3029; 54.8% female). Measures included self-reported ACEs at wave 3 (2006-2007), C-reactive protein (CRP) and depressive symptoms at wave 4 (2008-2009), and cognitive function at waves 3 and 7 (2014-2015). Mediation analyses examined the direct associations between ACEs and cognitive function at wave 7 and the indirect associations via depressive symptoms and CRP at wave 4. In a first set of analyses, models were adjusted for sociodemographic factors and baseline cognitive function. In a second set of analyses, models were additionally adjusted for BMI and health behaviours (n = 1915). RESULTS Cumulative ACEs exposure positively predicted depressive symptoms (b = 0.184, s.e. = 0.034, p < .001), which in turn predicted poorer cognitive function at wave 7 (b = - 0.035, s.e. = 0.008, p < .001). ACEs also positively predicted systemic inflammation as measured by CRP (b = 0.031, s.e. = 0.01, p = 0.0016). However, CRP did not mediate the association between ACEs and later cognitive function (b = - 0.0002, 95% CI: - 0.002, 0.002). CONCLUSION These findings suggest that ACEs may be related to cognitive decline partly via depressive symptoms and corroborate prior research linking ACEs with systemic inflammation in adulthood.
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Hu X, Gu S, Zhen X, Sun X, Gu Y, Dong H. Trends in Cognitive Function Among Chinese Elderly From 1998 to 2018: An Age-Period-Cohort Analysis. Front Public Health 2021; 9:753671. [PMID: 34900900 PMCID: PMC8660074 DOI: 10.3389/fpubh.2021.753671] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Accepted: 10/11/2021] [Indexed: 11/13/2022] Open
Abstract
Objectives: To investigate the effects of age, period, and cohort (APC) on trends in cognitive function among the Chinese elderly, and to explore how gender gaps in cognitive function change with age, period, and cohort. Methods: This study used data from the Chinese Longitudinal Healthy Longevity Survey (CLHLS) from 1998 to 2018, and included 90,432 participants aged above 65 years old. The measurement of cognitive function was the score of the Mini-Mental State Examination (MMSE). Cross-classified random-effect models were used to investigate age, period, and cohort trends in cognitive function. Results: Mini-Mental State Examination scores decreased with age at an increasing rate. While the cohort effect was nearly stable, the period effect demonstrated a downward trend from 1998 to 2002 followed by a nearly flat line. Females were associated with lower MMSE scores than males. When age increased, the gender gaps in MMSE scores further increased. The period-based gender gaps in MMSE scores diverged throughout the 20 years, while the cohort-based gender disparities in MMSE scores converged with successive cohorts. Conclusions: Age, period, and cohort had different and independent effects on cognitive function among the Chinese elderly. The effect of age was stronger than that of period and cohort. Gender disparities in cognitive function increased with age and period, and decreased with successive cohorts.
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Affiliation(s)
- Xiaoqian Hu
- School of Politics and Public Administration, Qingdao University, Qingdao, China.,Center for Health Policy Studies, School of Public Health, Zhejiang University School of Medicine, Hangzhou, China
| | - Shuyan Gu
- Center for Health Policy and Management Studies, School of Government, Nanjing University, Nanjing, China
| | - Xuemei Zhen
- Center for Health Management and Policy, School of Public Health, Shandong University, Jinan, China.,NHC Key Lab of Health Economics and Policy Research, Shandong University, Jinan, China
| | - Xueshan Sun
- Center for Health Policy Studies, School of Public Health, Zhejiang University School of Medicine, Hangzhou, China
| | - Yuxuan Gu
- Center for Health Policy Studies, School of Public Health, Zhejiang University School of Medicine, Hangzhou, China
| | - Hengjin Dong
- Center for Health Policy Studies, School of Public Health, Zhejiang University School of Medicine, Hangzhou, China.,The Fourth Affiliated Hospital, Zhejiang University School of Medicine, Yiwu, China
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Freedman VA, Bandeen-Roche K, Cornman JC, Spillman BC, Kasper JD, Wolff JL. Incident Care Trajectories for Older Adults with and without Dementia. J Gerontol B Psychol Sci Soc Sci 2021; 77:S21-S30. [PMID: 34893835 DOI: 10.1093/geronb/gbab185] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2021] [Indexed: 11/12/2022] Open
Abstract
OBJECTIVE Despite cross-sectional evidence that persons living with dementia receive disproportionate hours of care, studies of how care intensity progresses over time and differs for those living with and without dementia have been lacking. METHODS We used the 2011-2018 National Health and Aging Trends Study to estimate growth mixture models to identify incident care hour trajectories ("classes") among older adults (N=1,780). RESULTS We identified four incident care hour classes: "Low, stable," "High, increasing," "24/7 then high, stable," and "Low then resolved." The high-intensity classes had the highest proportions of care recipients with dementia and accounted for nearly half of that group. Older adults with dementia were 3-4 times as likely as other older adults to experience one of the two high-intensity trajectories. A substantial proportion of the 4 in 10 older adults with dementia who were predicted to be in the "Low, stable" class lived in residential care settings. DISCUSSION Information on how family caregiving is likely to evolve over time in terms of care hours may help older adults with and without dementia, the family members, friends, and paid individuals who care for them, as well as their health care providers assess and plan for future care needs.
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Cognitive function, daily function and physical and mental health in older adults: A comparison of venue and home-visit community surveys in Metropolitan Tokyo. Arch Gerontol Geriatr 2021; 100:104617. [DOI: 10.1016/j.archger.2021.104617] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Revised: 12/21/2021] [Accepted: 12/26/2021] [Indexed: 11/22/2022]
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Hajek A, Buczak-Stec E, van den Bussche H, Eisele M, Oey A, Wiese B, Weyerer S, Werle J, Fuchs A, Pentzek M, Luppa M, Pabst A, Weeg D, Bickel H, Kleineidam L, Wagner M, Scherer M, Maier W, Riedel-Heller SG, König HH. Factors Leading to Institutionalization among the Oldest Old: Longitudinal Findings from the AgeCoDe-AgeQualiDe Study. Gerontology 2021; 68:894-902. [PMID: 34758462 DOI: 10.1159/000519709] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2021] [Accepted: 09/15/2021] [Indexed: 11/19/2022] Open
Abstract
INTRODUCTION Due to the strong association between old age and the need for long-term care, the number of individuals in need for care is projected to increase noticeably. The aim of this study was to examine the determinants of institutionalization among the oldest old longitudinally. METHODS Longitudinal data (follow-up [FU] wave 7-9) were gathered from a multicenter prospective cohort study ("Study on needs, health service use, costs and health-related quality of life in a large sample of oldest old primary care patients [85+]," AgeQualiDe). At FU wave 7, in 2014, complete measures were available for 763 individuals. The average age was 88.9 (standard deviation 2.9) years (range 85-100), and 68% were female. Sociodemographic and health-related independent variables (e.g., depressive symptoms or functioning) were included in the regression model. Institutionalization (admission to assisted living home or nursing home) was used as an outcome measure. Logistic random-effects models were used. RESULTS Regressions revealed that among oldest old, the odds of being institutionalized were lower for men (odds ratio [OR] = 0.03; 95% confidence interval [CI] 0.00-0.16). Institutionalization was associated with an increased age (OR = 1.27; 95% CI 1.04-1.55). Additionally, widowed individuals (ref. non-widowed) had higher odds of being institutionalized (OR = 8.95; 95% CI 1.61-49.81). Institutionalization was also associated with functional decline (OR = 0.16; 95% CI 0.11-0.23), whereas it was not significantly associated with cognitive decline, depressive symptoms, and social support. CONCLUSION Our findings stress the importance of gender, age, widowhood, and functional decline for institutionalization among the oldest old. Preventing or at least postponing functional decline might help to delay institutionalization as far as possible.
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Affiliation(s)
- André Hajek
- Department of Health Economics and Health Services Research, Hamburg Center for Health Economics, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Elżbieta Buczak-Stec
- Department of Health Economics and Health Services Research, Hamburg Center for Health Economics, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Hendrik van den Bussche
- Department of General Practice and Primary Medical Care, Center for Psychosocial Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Marion Eisele
- Department of General Practice and Primary Medical Care, Center for Psychosocial Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Anke Oey
- Institute of General Practice, Hannover Medical School, Hannover, Germany
| | - Birgitt Wiese
- Institute of General Practice, Hannover Medical School, Hannover, Germany
| | - Siegfried Weyerer
- Central Institute of Mental Health, Medical Faculty Mannheim/Heidelberg University, Mannheim, Germany
| | - Jochen Werle
- Central Institute of Mental Health, Medical Faculty Mannheim/Heidelberg University, Mannheim, Germany
| | - Angela Fuchs
- Institute of General Practice, Medical Faculty, Heinrich-Heine-University Düsseldorf, Düsseldorf, Germany
| | - Michael Pentzek
- Institute of General Practice, Medical Faculty, Heinrich-Heine-University Düsseldorf, Düsseldorf, Germany
| | - Melanie Luppa
- Institute of Social Medicine, Occupational Health and Public Health, University of Leipzig, Leipzig, Germany
| | - Alexander Pabst
- Institute of Social Medicine, Occupational Health and Public Health, University of Leipzig, Leipzig, Germany
| | - Dagmar Weeg
- Department of Psychiatry, Technical University of Munich, Munich, Germany
| | - Horst Bickel
- Department of Psychiatry, Technical University of Munich, Munich, Germany
| | - Luca Kleineidam
- Department of Neurodegenerative Diseases and Geriatric Psychiatry, University Hospital Bonn, Bonn, Germany
| | - Michael Wagner
- Department of Neurodegenerative Diseases and Geriatric Psychiatry, University Hospital Bonn, Bonn, Germany.,German Center for Neurodegenerative Diseases (DZNE), Bonn, Germany
| | - Martin Scherer
- Department of General Practice and Primary Medical Care, Center for Psychosocial Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Wolfgang Maier
- Department of Neurodegenerative Diseases and Geriatric Psychiatry, University Hospital Bonn, Bonn, Germany.,German Center for Neurodegenerative Diseases (DZNE), Bonn, Germany
| | - Steffi G Riedel-Heller
- Institute of Social Medicine, Occupational Health and Public Health, University of Leipzig, Leipzig, Germany
| | - Hans-Helmut König
- Department of Health Economics and Health Services Research, Hamburg Center for Health Economics, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
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31
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Guan L, Tuttle CSL, Reijnierse EM, Lim WK, Maier AB. Unresolved inflammation during hospitalization is associated with post-discharge institutionalization and mortality in geriatric rehabilitation inpatients: The RESORT cohort. Exp Gerontol 2021; 156:111597. [PMID: 34687783 DOI: 10.1016/j.exger.2021.111597] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Revised: 10/14/2021] [Accepted: 10/18/2021] [Indexed: 01/10/2023]
Abstract
BACKGROUND Inflammation contributes to adverse health outcomes in community-dwelling populations. Little is known about inflammation in hospitalized older adults and its association with adverse outcomes. This study aimed to evaluate the association of the inflammatory markers C-reactive protein (CRP) and albumin measured during acute and geriatric rehabilitation hospitalization with institutionalization and mortality in geriatric rehabilitation inpatients. METHODS Within the REStORing health of acutely unwell adulTs (RESORT) cohort, CRP and albumin were measured as part of usual care during acute and geriatric rehabilitation hospitalization. Inflammatory markers are presented as median, peak (CRP: maximum; albumin: minimum), variation (interquartile range) and direction of change (increased CRP or decreased albumin: positive or negative difference between last measurement and median of preceding measurements). Logistic regression was used to determine the associations between inflammatory markers and institutionalization at three-month and all-cause mortality at three- and twelve-month post-discharge. RESULTS Geriatric rehabilitation inpatients (n = 1846) with a median age of 83.3 years (interquartile range 77.6-88.3) and 56.6% of female were included. Increased CRP during geriatric rehabilitation was associated with institutionalization. Higher median, peak and increased levels of CRP during geriatric rehabilitation but not during acute hospitalization were associated with higher mortality. Lower CRP variation during acute hospitalization but higher CRP variation during geriatric rehabilitation was associated with higher mortality. Lower median level of albumin during both hospitalizations were associated with higher mortality. CONCLUSIONS Inflammation characterized by lower albumin during acute hospitalization and, higher CRP and lower albumin during geriatric rehabilitation was associated with mortality in geriatric rehabilitation inpatients. Increased CRP during geriatric rehabilitation was associated with institutionalization. Unresolved inflammation in geriatric rehabilitation might indicate ongoing disease activity leading to adverse outcomes.
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Affiliation(s)
- Lihuan Guan
- Department of Medicine and Aged Care, @AgeMelbourne, The Royal Melbourne Hospital, The University of Melbourne, Victoria, Australia.
| | - Camilla S L Tuttle
- Department of Medicine and Aged Care, @AgeMelbourne, The Royal Melbourne Hospital, The University of Melbourne, Victoria, Australia; Centre for Quantitative Neuroimaging, Department of Radiology, The Royal Melbourne Hospital, The University of Melbourne, Victoria, Australia.
| | - Esmee M Reijnierse
- Department of Medicine and Aged Care, @AgeMelbourne, The Royal Melbourne Hospital, The University of Melbourne, Victoria, Australia; Department of Rehabilitation Medicine, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam Movement Sciences, Amsterdam, the Netherlands.
| | - Wen Kwang Lim
- Department of Medicine and Aged Care, @AgeMelbourne, The Royal Melbourne Hospital, The University of Melbourne, Victoria, Australia.
| | - Andrea B Maier
- Department of Medicine and Aged Care, @AgeMelbourne, The Royal Melbourne Hospital, The University of Melbourne, Victoria, Australia; Faculty of Behavioural and Movement Sciences, Department of Human Movement Sciences, @AgeAmsterdam, Vrije Universiteit, Amsterdam Movement Sciences, Amsterdam, the Netherlands; Healthy Longevity Translational Research Program, Yong Loo Lin School of Medicine, National University of Singapore, Singapore; Centre for Healthy Longevity, @AgeSingapore, National University Health System, Singapore.
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32
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Wu C. The mediating and moderating effects of depressive symptoms on the prospective association between cognitive function and activities of daily living disability in older adults. Arch Gerontol Geriatr 2021; 96:104480. [PMID: 34274875 DOI: 10.1016/j.archger.2021.104480] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2021] [Revised: 06/25/2021] [Accepted: 07/05/2021] [Indexed: 12/29/2022]
Abstract
OBJECTIVES This study aimed to examine to what extent depressive symptoms mediated and moderated the association between cognitive function and activities of daily living (ADL) disability in older adults. METHODS In older participants from the China Health and Longitudinal Retirement Survey (CHARLS), structural equation modeling and multiple regression were performed to examine the mediating and moderating role of depressive symptoms (measured by the 10-item Center for Epidemiologic Studies Depression Scale) in the association between baseline cognitive function (episodic memory, attention, orientation to time, and visuospatial ability) and endpoint disability in basic ADL (BADL) or instrumental ADL (IADL). RESULTS Over a 2-year follow-up, among 1677 participants (67.5 ± 6.0 years old) free of BADL disability and 1194 participants (66.9 ± 5.6 years old) free of IADL disability, 8.3% and 22.9% developed BADL disability and IADL disability, respectively. Good baseline cognitive performance was significantly associated with the reduced incidence of BADL/IADL disability. The indirect effects of baseline depressive symptoms explained 16.9% and 14.5% of the total effect between cognition and BADL and IADL dependency, respectively. The Johnson-Neyman technique identified a threshold of 7.88 for endpoint depressive symptoms, beyond which the protective effect of baseline cognitive function on BADL emerged. CONCLUSIONS In older adults, good cognitive function reduces the risk of BADL/IADL disability. Depressive symptoms downregulate the protective effect of cognitive function on BADL/IADL over time. Intervention techniques focusing on the simultaneous improvement of cognitive dimensions and depression help improve ADL difficulty and prevent disability in older adults.
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Affiliation(s)
- Chao Wu
- Peking University School of Nursing, Beijing, 100191, China.
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Fedecostante M, Onder G, Eusebi P, Dell'Aquila G, Zengarini E, Carrieri B, Manes Gravina E, Falsiroli C, Corsonello A, Luzi R, Lattanzio F, Bernabei R, Cherubini A. Predictors of Functional Decline in Nursing Home Residents: The Shelter Project. J Gerontol A Biol Sci Med Sci 2021; 75:1600-1605. [PMID: 31858108 DOI: 10.1093/gerona/glz296] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2019] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND The aim of our study was to identify independent predictors of functional decline in older nursing home (NH) residents, taking into account both resident and facility characteristics. METHODS Longitudinal observational study involving 1,760 older (≥65 y) residents of NH participating in the SHELTER* study (57 NH in eight countries). All residents underwent a comprehensive geriatric assessment using the interRAI LTCF. Functional decline was defined as an increase of at least one point in the MDS Long Form ADL scale during a 1 year follow-up. Facility and country effects were taken into account. RESULTS During the study period 891 (50.6%), NH residents experienced ADL decline. Residents experiencing ADL decline were older, had lower disability at baseline, were more frequently affected by severe dementia and by urinary incontinence, and used more antipsychotics. In the mixed-effect logistic regression model, factors independently associated with a higher risk of functional decline were dementia and urinary incontinence, whereas the presence of a geriatrician was a protective factor. CONCLUSIONS Both resident and facility characteristics are associated with the risk of functional decline in NH residents. Increasing the quality of healthcare by involving a geriatrician in residents' care might be an important strategy to improve the outcome of this vulnerable population.
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Affiliation(s)
- Massimiliano Fedecostante
- Geriatria, Accettazione geriatrica e Centro di ricerca per l'invecchiamento, IRCCS INRCA, Ancona, Italy
| | - Graziano Onder
- Fondazione Policlinico Universitario A. Gemelli IRCCS, Italy e Università Cattolica del Sacro Cuore, Rome, Italy
| | - Paolo Eusebi
- Health Planning Service, Regional Health Authority of Umbria, Perugia, Italy
| | - Giuseppina Dell'Aquila
- Geriatria, Accettazione geriatrica e Centro di ricerca per l'invecchiamento, IRCCS INRCA, Ancona, Italy
| | - Elisa Zengarini
- Geriatria, Accettazione geriatrica e Centro di ricerca per l'invecchiamento, IRCCS INRCA, Ancona, Italy
| | - Barbara Carrieri
- Geriatria, Accettazione geriatrica e Centro di ricerca per l'invecchiamento, IRCCS INRCA, Ancona, Italy.,Department of Life and Environmental Sciences, Polytechnic University of Marche, Ancona, Italy
| | - Ester Manes Gravina
- Fondazione Policlinico Universitario A. Gemelli IRCCS, Italy e Università Cattolica del Sacro Cuore, Rome, Italy
| | - Cinzia Falsiroli
- Fondazione Policlinico Universitario A. Gemelli IRCCS, Italy e Università Cattolica del Sacro Cuore, Rome, Italy
| | - Andrea Corsonello
- Unit of Geriatric Pharmacoepidemiology and Clinical Laboratory, IRCCS INRCA, Cosenza, Italy
| | | | | | - Roberto Bernabei
- Fondazione Policlinico Universitario A. Gemelli IRCCS, Italy e Università Cattolica del Sacro Cuore, Rome, Italy
| | - Antonio Cherubini
- Geriatria, Accettazione geriatrica e Centro di ricerca per l'invecchiamento, IRCCS INRCA, Ancona, Italy
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Formánek T, Csajbók Z, Wolfová K, Kučera M, Tom S, Aarsland D, Cermakova P. Trajectories of depressive symptoms and associated patterns of cognitive decline. Sci Rep 2020; 10:20888. [PMID: 33257789 PMCID: PMC7705007 DOI: 10.1038/s41598-020-77866-6] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2020] [Accepted: 11/13/2020] [Indexed: 01/27/2023] Open
Abstract
The aim was to investigate the pattern and rate of cognitive decline across distinctive trajectories of depressive symptoms in older adults. In this prospective multinational cohort study on 69,066 participants (on average 64 years at baseline, 55% women), assessments of cognitive functions (immediate recall, delayed recall, verbal fluency) and depressive symptoms (EURO-D scale) were conducted at 2-year intervals. The trajectories of depressive symptoms were obtained using latent growth mixture modelling, cognitive decline was assessed using smoothing splines and linear mixed effects models. Four distinct trajectories of depressive symptoms were identified: constantly low (n = 49,660), constantly high (n = 2999), increasing (n = 6828) and decreasing (n = 9579). Individuals with increasing and constantly high depressive symptoms showed linear cognitive decline, while those with constantly low and decreasing depressive symptoms had fluctuating cognition. Participants with increasing depressive symptoms had the fastest decline, while those with decreasing symptoms were spared from decline in cognition. This study suggests that the pattern as well as the rate of cognitive decline co-occurs with specific patterns of changes in depressive symptoms over time. The most pronounced cognitive decline is present in individuals, in whom depressive symptoms increase late in life. Unique mechanisms of cognitive decline may exist for subgroups of the population, and are associated with the trajectory of depressive symptoms.
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Affiliation(s)
- Tomáš Formánek
- National Institute of Mental Health, Klecany, Czech Republic
| | - Zsófia Csajbók
- National Institute of Mental Health, Klecany, Czech Republic.,Third Faculty of Medicine, Charles University Prague, Ruská 87, 100 00, Prague 10, Czech Republic
| | - Katrin Wolfová
- National Institute of Mental Health, Klecany, Czech Republic.,Third Faculty of Medicine, Charles University Prague, Ruská 87, 100 00, Prague 10, Czech Republic
| | - Matěj Kučera
- National Institute of Mental Health, Klecany, Czech Republic.,Third Faculty of Medicine, Charles University Prague, Ruská 87, 100 00, Prague 10, Czech Republic
| | - Sarah Tom
- Departments of Neurology and Epidemiology, Columbia University, New York, USA
| | - Dag Aarsland
- Department of Old Age Psychiatry Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK.,Centre of Age-Related Medicine, University Hospital Stavanger, Stavanger, Norway
| | - Pavla Cermakova
- National Institute of Mental Health, Klecany, Czech Republic. .,Third Faculty of Medicine, Charles University Prague, Ruská 87, 100 00, Prague 10, Czech Republic. .,Second Faculty of Medicine, Charles University, Prague, Czech Republic.
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35
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Wu Z, Phyo AZZ, Al-Harbi T, Woods RL, Ryan J. Distinct Cognitive Trajectories in Late Life and Associated Predictors and Outcomes: A Systematic Review. J Alzheimers Dis Rep 2020; 4:459-478. [PMID: 33283167 PMCID: PMC7683100 DOI: 10.3233/adr-200232] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Background Cognitive aging is a dynamic process in late life with significant heterogeneity across individuals. Objective To review the evidence for latent classes of cognitive trajectories and to identify the associated predictors and outcomes. Methods A systematic search was performed in MEDLINE and EMBASE for articles that identified two or more cognitive trajectories in adults. The study was conducted following the PRISMA statement. Results Thirty-seven studies were included, ranging from 219 to 9,704 participants, with a mean age of 60 to 93.4 years. Most studies (n = 30) identified distinct cognitive trajectories using latent class growth analysis. The trajectory profile commonly consisted of three to four classes with progressively decreasing baseline and increasing rate of decline-a 'stable-high' class characterized as maintenance of cognitive function at high level, a 'minor-decline' class or 'stable-medium' class that declines gradually over time, and a 'rapid-decline' class with the steepest downward slope. Generally, membership of better classes was predicted by younger age, being female, more years of education, better health, healthier lifestyle, higher social engagement and lack of genetic risk variants. Some factors (e.g., education) were found to be associated with cognitive function over time only within individual classes. Conclusion Cognitive aging in late life is a dynamic process with significant inter-individual variability. However, it remains unclear whether similar patterns of cognitive aging are observed across all cognitive domains. Further research into unique factors which promote the maintenance of high-cognitive function is needed to help inform public policy.
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Affiliation(s)
- Zimu Wu
- School of Public Health and Preventive Medicine, Monash University, Melbourne, VIC, Australia
| | - Aung Zaw Zaw Phyo
- School of Public Health and Preventive Medicine, Monash University, Melbourne, VIC, Australia
| | - Tagrid Al-Harbi
- School of Public Health and Preventive Medicine, Monash University, Melbourne, VIC, Australia
| | - Robyn L Woods
- School of Public Health and Preventive Medicine, Monash University, Melbourne, VIC, Australia
| | - Joanne Ryan
- School of Public Health and Preventive Medicine, Monash University, Melbourne, VIC, Australia.,PSNREC, Univ Montpellier, INSERM, Montpellier, France
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36
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Li H, Li C, Wang A, Qi Y, Feng W, Hou C, Tao L, Liu X, Li X, Wang W, Zheng D, Guo X. Associations between social and intellectual activities with cognitive trajectories in Chinese middle-aged and older adults: a nationally representative cohort study. Alzheimers Res Ther 2020; 12:115. [PMID: 32977839 PMCID: PMC7519540 DOI: 10.1186/s13195-020-00691-6] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2019] [Accepted: 09/16/2020] [Indexed: 01/29/2023]
Abstract
BACKGROUND Associations between the frequency of social and intellectual activities and cognitive trajectories are understudied in Chinese middle-aged and older adults. We aimed to examine this association in a nationally representative longitudinal study. METHODS The China Health and Retirement Longitudinal Study (CHARLS) is a nationally representative sample of Chinese middle-aged and older participants. The frequency of social and intellectual activities was measured at baseline. Interview-based cognitive assessments of orientation and attention, episodic memory, and visuospatial skills and the calculation of combined global scores were assessed every 2 years from 2011 to 2016. Cognitive aging trajectories over time were analyzed using group-based trajectory modeling, and the associations of the trajectory memberships with social and intellectual activities were analyzed using multinomial logistic regression. Odds ratios (OR) and 95% confidence intervals (CI) were reported. RESULTS Among 8204 participants aged 50-75 years at baseline, trajectory analysis identified three longitudinal patterns of cognitive function based on the global cognitive scores: "persistently low trajectory" (n = 1550, 18.9%), "persistently moderate trajectory" (n = 3194, 38.9%), and "persistently high trajectory" (n = 3460, 42.2%). After adjustment for sociodemographic variables, lifestyles, geriatric symptoms, and health conditions, more frequent intellectual activities (OR 0.54, 95% CI 0.38-0.77) and social activities (OR 0.79, 95% CI 0.65-0.95) were both associated with a lower likelihood of being in the "persistently low trajectory" for global cognitive function. CONCLUSIONS These findings suggested that more frequent social and intellectual activities were associated with more favorable cognitive aging trajectories.
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Affiliation(s)
- Haibin Li
- Department of Epidemiology, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China
- Department of Epidemiology and Health Statistics, School of Public Health, Capital Medical University, No. 10 Xitoutiao, You'anmen Wai, Fengtai District, Beijing, 100069, China
- Beijing Municipal Key Laboratory of Clinical Epidemiology, Capital Medical University, Beijing, China
| | - Changwei Li
- Department of Epidemiology, Tulane University School of Public Health and Tropical Medicine, 1440 Canal Street, New Orleans, Louisiana, 70112, USA.
| | - Anxin Wang
- China National Clinical Research Center for Neurological Diseases, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Yanling Qi
- Department of Health Care Administration, College of Health and Human Services, California State University, Long Beach, 1250 Bellflower Blvd, Long Beach, CA, 90840, USA
| | - Wei Feng
- Department of Epidemiology and Health Statistics, School of Public Health, Capital Medical University, No. 10 Xitoutiao, You'anmen Wai, Fengtai District, Beijing, 100069, China
- Beijing Municipal Key Laboratory of Clinical Epidemiology, Capital Medical University, Beijing, China
| | - Chengbei Hou
- Center for Evidence-Based Medicine, Xuanwu Hospital, Capital Medical University, Beijing, China
| | - Lixin Tao
- Department of Epidemiology and Health Statistics, School of Public Health, Capital Medical University, No. 10 Xitoutiao, You'anmen Wai, Fengtai District, Beijing, 100069, China
- Beijing Municipal Key Laboratory of Clinical Epidemiology, Capital Medical University, Beijing, China
| | - Xiangtong Liu
- Department of Epidemiology and Health Statistics, School of Public Health, Capital Medical University, No. 10 Xitoutiao, You'anmen Wai, Fengtai District, Beijing, 100069, China
- Beijing Municipal Key Laboratory of Clinical Epidemiology, Capital Medical University, Beijing, China
| | - Xia Li
- Department of Mathematics and Statistics, La Trobe University, Melbourne, VIC, Australia
| | - Wei Wang
- Global Health and Genomics, School of Medical Sciences and Health, Edith Cowan University, Perth, WA, 6027, Australia
| | - Deqiang Zheng
- Department of Epidemiology and Health Statistics, School of Public Health, Capital Medical University, No. 10 Xitoutiao, You'anmen Wai, Fengtai District, Beijing, 100069, China.
- Beijing Municipal Key Laboratory of Clinical Epidemiology, Capital Medical University, Beijing, China.
| | - Xiuhua Guo
- Department of Epidemiology and Health Statistics, School of Public Health, Capital Medical University, No. 10 Xitoutiao, You'anmen Wai, Fengtai District, Beijing, 100069, China.
- Beijing Municipal Key Laboratory of Clinical Epidemiology, Capital Medical University, Beijing, China.
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37
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Cui K, Song R, Xu H, Shang Y, Qi X, Buchman AS, Bennett DA, Xu W. Association of Cardiovascular Risk Burden With Risk and Progression of Disability: Mediating Role of Cardiovascular Disease and Cognitive Decline. J Am Heart Assoc 2020; 9:e017346. [PMID: 32869681 PMCID: PMC7726997 DOI: 10.1161/jaha.120.017346] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Background Cardiovascular risk burden has been linked to cardiovascular disease (CVD) and cognitive decline, but its association with disability is unclear. We aimed to examined the association of cardiovascular risk burden assessed by the Framingham general cardiovascular risk score (FGCRS) with the risk and progression of disability and estimated the extent to which CVD and cognitive decline mediate this association. Methods and Results A total of 1480 older adults with no disabilities (mean age=79.32±7.38 years) from the Rush Memory and Aging Project were followed for up to 21 years. FGCRS at baseline was calculated and categorized into tertiles. Disability was assessed annually with activities of daily living. The number of CVDs was calculated by summing up the CVD events. Global cognitive function was assessed annually with a battery of 19 tests. Data were analyzed using the Cox model, linear mixed effects model, and mediation analysis. At the end of the follow-up, 713 (48.2%) participants developed disability. Compared with the lowest tertile of the FGCRS, the multiadjusted hazards ratios of disability were 1.34 (95% CI, 1.11-1.62) for the highest tertile. In addition, the highest FGCRS was associated with a change in activities of daily living score over time (β=0.057; 95% CI, 0.021-0.093). The association between FGCRS and change in activities of daily living was 13.8% mediated by the accumulation of CVDs and 25.1% by cognitive decline, respectively. Conclusions Higher cardiovascular risk burden increased the risk of disability and accelerated its progression over time. CVD accumulation and cognitive decline may partially mediate the association.
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Affiliation(s)
- Kaiwang Cui
- Department of Epidemiology and BiostatisticsSchool of Public HealthTianjin Medical UniversityTianjinChina
- Tianjin Key Laboratory of Environment, Nutrition and Public HealthTianjinChina
- Center for International Collaborative Research on Environment, Nutrition and Public HealthTianjinChina
| | - Ruixue Song
- Department of Epidemiology and BiostatisticsSchool of Public HealthTianjin Medical UniversityTianjinChina
- Tianjin Key Laboratory of Environment, Nutrition and Public HealthTianjinChina
- Center for International Collaborative Research on Environment, Nutrition and Public HealthTianjinChina
| | - Hui Xu
- Department of Epidemiology and BiostatisticsSchool of Public HealthTianjin Medical UniversityTianjinChina
- Tianjin Key Laboratory of Environment, Nutrition and Public HealthTianjinChina
- Center for International Collaborative Research on Environment, Nutrition and Public HealthTianjinChina
| | - Ying Shang
- Department of Neurobiology, Care Sciences and SocietyKarolinska InstitutetStockholmSweden
| | - Xiuying Qi
- Department of Epidemiology and BiostatisticsSchool of Public HealthTianjin Medical UniversityTianjinChina
- Tianjin Key Laboratory of Environment, Nutrition and Public HealthTianjinChina
- Center for International Collaborative Research on Environment, Nutrition and Public HealthTianjinChina
| | - Aron S. Buchman
- Rush Alzheimer’s Disease CenterRush University Medical CenterChicagoIL
| | - David A. Bennett
- Rush Alzheimer’s Disease CenterRush University Medical CenterChicagoIL
| | - Weili Xu
- Department of Epidemiology and BiostatisticsSchool of Public HealthTianjin Medical UniversityTianjinChina
- Tianjin Key Laboratory of Environment, Nutrition and Public HealthTianjinChina
- Center for International Collaborative Research on Environment, Nutrition and Public HealthTianjinChina
- Department of Neurobiology, Care Sciences and SocietyKarolinska InstitutetStockholmSweden
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38
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Brown JD, Lo-Ciganic WH, Shao H, Pahor M, Manini TM. Trajectories of Short Physical Performance Battery Are Strongly Associated with Future Major Mobility Disability: Results from the LIFE Study. J Clin Med 2020; 9:jcm9082332. [PMID: 32707877 PMCID: PMC7465072 DOI: 10.3390/jcm9082332] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2020] [Revised: 07/14/2020] [Accepted: 07/20/2020] [Indexed: 01/06/2023] Open
Abstract
Short Physical Performance Battery (SPPB) assessment is a widely used measure of lower extremity function, strength, and balance. In the Lifestyles Interventions and Independence for Elders (LIFE) Study, baseline SPPB and changes throughout the trial were strongly associated with major mobility disability (MMD). This study further investigated this association by identifying trajectories of SPPB and evaluating the predictive validity of SPPB trajectories for future MMD. Participants (n = 1635) aged 70-89 years were randomized to a physical activity or health education intervention and assessed every 6 months for MMD. We used group-based trajectory models (GBTMs) to identify trajectories of a binary outcome for a decrease from baseline SPPB of ≥1. Multinomial logistic regression explored baseline factors associated with group membership. Survival analyses evaluated the association between trajectories with MMD. The GBTM identified a 3-group model which included a "No Decline" group (46.0%), "Late Decline" group (27.7%), and an "Early Decline" group (26.3%). Adjusting for all other baseline characteristics, group assignment during the previous follow-up visit was strongly associated with MMD at the subsequent period. Comparisons between groups showed a 2-to-3-fold increase in MMD comparing the "Late" to "No" decline group and a 4-to-5-fold increase in MMD comparing the "Early" to "No" decline group. Group membership and impact on MMD was not different between intervention arms. Group-based trajectories of SPPB scores identified distinct subgroups in LIFE Study participants. Using these group assignments in outcome models were highly associated with MMD. GBTMs have potential to identify and improve prediction of aging-related decline to better design and identify patients for interventions.
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Affiliation(s)
- Joshua D. Brown
- Center for Drug Evaluation & Safety, Department of Pharmaceutical Outcomes & Policy, University of Florida College of Pharmacy, Gainesville, FL 32610, USA; (W.-H.L.-C.); (H.S.)
- Correspondence:
| | - Wei-Hsuan Lo-Ciganic
- Center for Drug Evaluation & Safety, Department of Pharmaceutical Outcomes & Policy, University of Florida College of Pharmacy, Gainesville, FL 32610, USA; (W.-H.L.-C.); (H.S.)
| | - Hui Shao
- Center for Drug Evaluation & Safety, Department of Pharmaceutical Outcomes & Policy, University of Florida College of Pharmacy, Gainesville, FL 32610, USA; (W.-H.L.-C.); (H.S.)
| | - Marco Pahor
- Institute on Aging, Department of Aging and Geriatric Research, University of Florida College of Medicine, Gainesville, FL 32610, USA; (M.P.); (T.M.M.)
| | - Todd M. Manini
- Institute on Aging, Department of Aging and Geriatric Research, University of Florida College of Medicine, Gainesville, FL 32610, USA; (M.P.); (T.M.M.)
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39
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Nguyen C, Leanos S, Natsuaki MN, Rebok GW, Wu R. Adaptation for Growth Via Learning New Skills as a Means to Long-Term Functional Independence in Older Adulthood: Insights From Emerging Adulthood. THE GERONTOLOGIST 2020; 60:4-11. [PMID: 30321326 DOI: 10.1093/geront/gny128] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2018] [Indexed: 11/14/2022] Open
Abstract
Maintenance of functional independence, or the ability to perform daily tasks independently, is a hallmark of successful aging. Healthy older adults are considered functionally independent if they pass a short survey consisting of relatively simple daily activities, including grocery shopping and managing finances. We argue that aging research often has overlooked an important factor for long-term functional independence in a dynamic environment: adaptation for growth via learning new skills. Previous research has focused primarily on compensation and mitigating decline rather than growth. Given that adaptation for growth is at the core of intelligence, resilience, and neuroplasticity, we suggest that functional independence research with older adults could integrate adaptation for growth into the construct, following research on adolescent autonomy and emerging adulthood. After briefly reviewing research on functional independence and compensation in older adulthood, we offer suggestions to push forward gerontological research linking adaptation for growth and functional independence.
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Affiliation(s)
- Courtney Nguyen
- Department of Psychology, University of California, Riverside
| | - Shirley Leanos
- Department of Psychology, University of California, Riverside
| | | | - George W Rebok
- Department of Mental Health, Bloomberg School of Public Health and Johns Hopkins Center on Aging and Health, Johns Hopkins University, Baltimore, Maryland
| | - Rachel Wu
- Department of Psychology, University of California, Riverside
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Meng X, Li G, Jia Y, Liu Y, Shang B, Liu P, Bao X, Chen L. Effects of dance intervention on global cognition, executive function and memory of older adults: a meta-analysis and systematic review. Aging Clin Exp Res 2020; 32:7-19. [PMID: 30982217 DOI: 10.1007/s40520-019-01159-w] [Citation(s) in RCA: 47] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2018] [Accepted: 02/21/2019] [Indexed: 10/27/2022]
Abstract
OBJECTIVE To summarize and assess the effects of dance intervention on global cognition, executive function and memory in older adults. METHODS We searched the databases PubMed, Web of Science, Cochrane Library, EMBASE, Clinical Trials.Gov and four Chinese databases (CNKI, CBM, Wan Fang Data and VIP) to identify articles written in English or Chinese and published until April 2018. Randomized controlled trials and quasi-experiment were included if they evaluated the impact of dance on cognition, and individuals aged 60 and over. RESULTS Thirteen studies with a total of 1605 participants met the inclusions criteria. Our primary outcomes of interest are cognitive functions and are categorized into three cognitive domains: (1)Global cognition: meta-analyses for outcome related to global cognition indicated a large effect size. In the subgroup of using MMSE, results indicated a significant effect for dance on cognition [MD = 1.57, 95% CI (0.53, 2.61), p = 0.003; I2 = 62%], in the subgroup of using SCEF, effect sizes was statically significant and no heterogeneity between studies [MD = 33.25, 95% CI (30.94, 35.56), p < 0.00001; I2 = 0%]. (2)Executive functioning domain: meta-analyses revealed that there were no significant differences between the two groups in measures of executive function after the one study with a low-quality score was excluded [SMD = 0.13, 95% CI (- 0.02, 0.27), p = 0.09; I2 = 0%]. (3)Memory domain: quantitative analysis showed that dance may benefit memory function in older adults. However, in our review, dance was more effective for elderly cognitions than exercise may be not support. CONCLUSIONS Our meta-analysis and systematic review suggest that dance may be a safe and effective approach to improve cognitive function in older adults.
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Affiliation(s)
- Xiangfei Meng
- School of Nursing, Jilin University, 965 XinJiang Road, Changchun, 130021, China
| | - Guichen Li
- School of Nursing, Jilin University, 965 XinJiang Road, Changchun, 130021, China
| | - Yong Jia
- School of Nursing, Jilin University, 965 XinJiang Road, Changchun, 130021, China
| | - Yufei Liu
- School of Nursing, Jilin University, 965 XinJiang Road, Changchun, 130021, China
| | - Binghan Shang
- School of Nursing, Jilin University, 965 XinJiang Road, Changchun, 130021, China
| | - Peng Liu
- School of Mechanical and Aerospace Engineering, Jilin University, No.5988 Renmin Street, Changchun, 130025, Jilin, China.
| | - Xueying Bao
- The 208th Hospital of the Chinese People's Liberation Army, Changchun, 130062, Jilin, China.
| | - Li Chen
- School of Nursing, Jilin University, 965 XinJiang Road, Changchun, 130021, China.
- Department of Pharmacology, College of Basic Medical Sciences, Jilin University, Changchun, China.
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Pan KY, Xu W, Mangialasche F, Wang R, Dekhtyar S, Calderón-Larrañaga A, Fratiglioni L, Wang HX. Psychosocial working conditions, trajectories of disability, and the mediating role of cognitive decline and chronic diseases: A population-based cohort study. PLoS Med 2019; 16:e1002899. [PMID: 31525191 PMCID: PMC6746356 DOI: 10.1371/journal.pmed.1002899] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/17/2019] [Accepted: 08/14/2019] [Indexed: 11/24/2022] Open
Abstract
BACKGROUND Unfavorable psychosocial working conditions have been associated with cognitive decline and chronic diseases, both of which may subsequently accelerate functional dependence. This study aimed to investigate the association between job demand-control-support combinations and trajectories of disability in later life and to further explore the role of cognitive decline and the co-occurrence of chronic diseases in mediating this association. METHODS AND FINDINGS In this cohort study, 2,937 community dwellers aged 60+ years (mean age 73 ± 10.6; 62.9% female) residing in the Kungsholmen District of Stockholm, Sweden, participated in the baseline survey (2001-2004) and were followed up to 12 years. Lifelong occupational history was obtained through a standardized interview; job demands, job control, and social support at work in the longest-held occupation were graded with a psychosocial job-exposure matrix. Job control, demands, and social support were dichotomized using the median values from the matrix, respectively, to further generate demand-control-support combinations. Disability was measured by summing the number of impaired basic and instrumental activities of daily living. Global cognitive function was assessed by Mini-Mental State Examination. Chronic conditions were ascertained by clinical examinations, medical history, and patient clinical records; the total number of chronic diseases was summed. Data were analyzed using linear mixed-effects models and mediation analysis. Age, sex, education, alcohol consumption, smoking, leisure activity engagement, early-life socioeconomic status, occupational characteristic and physical demands, and baseline cognitive function and number of chronic diseases were adjusted for in the analyses. Compared with active jobs (high control/high demands; n = 1,807), high strain (low control/high demands; n = 328), low strain (high control/low demands; n = 495), and passive jobs (low control/low demands; n = 307) were all associated with a faster rate of disability progression (β = 0.07, 95% CI 0.02-0.13, p = 0.01; β = 0.10, 95% CI 0.06-0.15, p < 0.001; β = 0.11, 95% CI 0.05-0.18, p < 0.001). The association between high strain and disability progression was only shown in people with low social support at work (β = 0.13, 95% CI 0.07-0.19, p < 0.001), but not in those with high social support (β = 0.004, 95% CI -0.09 to 0.10, p = 0.93). Moreover, we estimated that the association between demand-control status and disability trajectories was mediated 38.5% by cognitive decline and 18.4% by accumulation of chronic diseases during the follow-up period. The limitations of this study include unmeasured confounding, self-reported work experience, and the reliance on a psychosocial job-exposure matrix that does not consider variabilities in individuals' perception on working conditions or job characteristics within occupations. CONCLUSIONS Our findings suggest that negative psychosocial working conditions during working life may accelerate disability progression in later life. Notably, social support at work may buffer the detrimental effect of high strain on disability progression. Cognitive decline and chronic-disease accumulation, and especially the former, partially mediate the association of psychosocial working conditions with trajectories of disability. Further studies are required to explore more mechanisms that underlie the association between psychosocial working conditions and disability trajectories.
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Affiliation(s)
- Kuan-Yu Pan
- Aging Research Center, Department of Neurobiology, Care Sciences and Society, Karolinska Institutet and Stockholm University, Stockholm, Sweden
- * E-mail:
| | - Weili Xu
- Aging Research Center, Department of Neurobiology, Care Sciences and Society, Karolinska Institutet and Stockholm University, Stockholm, Sweden
| | - Francesca Mangialasche
- Aging Research Center, Department of Neurobiology, Care Sciences and Society, Karolinska Institutet and Stockholm University, Stockholm, Sweden
- Division of Clinical Geriatrics, Center for Alzheimer Research, Department of Neurobiology, Care Sciences and Society, Karolinska Institutet, Stockholm, Sweden
| | - Rui Wang
- Aging Research Center, Department of Neurobiology, Care Sciences and Society, Karolinska Institutet and Stockholm University, Stockholm, Sweden
| | - Serhiy Dekhtyar
- Aging Research Center, Department of Neurobiology, Care Sciences and Society, Karolinska Institutet and Stockholm University, Stockholm, Sweden
| | - Amaia Calderón-Larrañaga
- Aging Research Center, Department of Neurobiology, Care Sciences and Society, Karolinska Institutet and Stockholm University, Stockholm, Sweden
| | - Laura Fratiglioni
- Aging Research Center, Department of Neurobiology, Care Sciences and Society, Karolinska Institutet and Stockholm University, Stockholm, Sweden
- Stockholm Gerontology Research Center, Stockholm, Sweden
| | - Hui-Xin Wang
- Aging Research Center, Department of Neurobiology, Care Sciences and Society, Karolinska Institutet and Stockholm University, Stockholm, Sweden
- Stress Research Institute, Stockholm University, Stockholm, Sweden
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Hu X, Gu S, Sun X, Gu Y, Zhen X, Li Y, Huang M, Wei J, Dong H. Cognitive ageing trajectories and mortality of Chinese oldest-old. Arch Gerontol Geriatr 2019; 82:81-87. [PMID: 30716682 PMCID: PMC6451875 DOI: 10.1016/j.archger.2019.01.018] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2018] [Revised: 01/24/2019] [Accepted: 01/26/2019] [Indexed: 10/27/2022]
Abstract
OBJECTIVE This study aims to identify distinctive cognitive trajectories jointly with mortality probabilities and to explore factors related to the particular trajectories of cognitive ageing in China. METHOD 6842 individuals aged 80 years and above from 7 waves of the Chinese Longitudinal Healthy Longevity Survey were assessed with the Mini-Mental State Examination for up to 16 years. A group-based trajectory model was used to jointly estimate cognitive ageing and mortality trajectories; and to explore the factors related to membership of the trajectory groups. RESULTS A four-group model best fit the data. For all groups, the cognitive function declined with age according to different rates. Group 4, 3, 2, and 1 showed slow (prevalence 52.8%), moderate (31.1%), progressive (12.6%) and rapid (3.5%) cognitive decline, respectively. Mortality probability trajectories followed a hierarchy in consistence with cognitive trajectories approximately. Females, illiteracy, and those born in rural areas were less likely to belong to the most favorable trajectory group. CONCLUSIONS The heterogeneity of cognitive ageing was identified among Chinese oldest-old. Childhood socioeconomic status, especially education, was associated with the rate of cognitive decline.
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Affiliation(s)
- Xiaoqian Hu
- Center for Health Policy Studies, School of Public Health, Zhejiang University School of Medicine, Hangzhou, China.
| | - Shuyan Gu
- Center for Health Policy Studies, School of Public Health, Zhejiang University School of Medicine, Hangzhou, China.
| | - Xueshan Sun
- Center for Health Policy Studies, School of Public Health, Zhejiang University School of Medicine, Hangzhou, China.
| | - Yuxuan Gu
- Center for Health Policy Studies, School of Public Health, Zhejiang University School of Medicine, Hangzhou, China.
| | - Xuemei Zhen
- Center for Health Policy Studies, School of Public Health, Zhejiang University School of Medicine, Hangzhou, China.
| | - Yuanyuan Li
- Center for Health Policy Studies, School of Public Health, Zhejiang University School of Medicine, Hangzhou, China.
| | - Minzhuo Huang
- Center for Health Policy Studies, School of Public Health, Zhejiang University School of Medicine, Hangzhou, China.
| | - Jingming Wei
- Center for Health Policy Studies, School of Public Health, Zhejiang University School of Medicine, Hangzhou, China.
| | - Hengjin Dong
- Center for Health Policy Studies, School of Public Health, Zhejiang University School of Medicine, Hangzhou, China.
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The Meaning of a Visual Arts Program for Older Adults in Complex Residential Care. Can J Aging 2018; 38:143-154. [DOI: 10.1017/s0714980818000508] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
Abstract
RÉSUMÉCette étude qualitative explore les expériences vécues par des personnes âgées participant dans un programme d’arts visuels créatifs dans un établissement de soins de Victoria (Colombie-Britannique). Une approche par enquête narrative a été utilisée dans le cadre d’entretiens en personne menés avec dix résidents et trois membres du personnel du programme. Les activités du programme et l’exposition artistique qui y était associée ont aussi fait l’objet d’une observation systématique. Les résultats démontrent que le programme a stimulé le sentiment de communauté des participants et augmenté leur estime d’eux-mêmes, en tant qu’artistes. Une exposition artistique publique dans un centre communautaire a permis de souligner la valeur de leur production artistique et a conféré un sens et un but à leur implication dans le programme. Les résultats démontrent l’importance des programmes artistiques stimulant la créativité chez la population âgée. Ils illustrent aussi que les personnes vivant en institution peuvent prendre conscience des multiples dimensions de leur personnalité à travers l’expression artistique. Cette étude souligne la pertinence d’accroître l’accès à des programmes artistiques pour les individus vivant en établissements de soins.
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Effects of a 10-week multimodal exercise program on physical and cognitive function of nursing home residents: a psychomotor intervention pilot study. Aging Clin Exp Res 2018; 30:471-479. [PMID: 28776280 DOI: 10.1007/s40520-017-0803-y] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2017] [Accepted: 07/17/2017] [Indexed: 01/10/2023]
Abstract
BACKGROUND Nursing home institutionalization tends to exacerbate loss of functioning. AIMS Examine the feasibility and the effect of a psychomotor intervention-a multimodal exercise program promoting simultaneous cognitive and motor stimulation-on the executive (planning ability and selective attention) and physical function of nursing home residents. METHODS Seventeen participants engaged in a 10-week multimodal exercise program and 17 maintained usual activities. RESULTS Exercise group improved planning ability (25-32%), selective attention (19-67%), and physical function [aerobic endurance, lower body strength, agility, balance, gait, and mobility (19-41%)], corresponding to an effect size ranging from 0.29 (small) to 1.11 (high), p < 0.05. DISCUSSION The multimodal exercise program was feasible and well tolerated. The program improved executive and physical functions of the nursing home residents, reverting the usual loss of both cognitive and motor functioning in older adult institutionalized. CONCLUSIONS Multimodal exercise programs may help to maintain or improve nursing home residents' functioning.
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Liu Z, Han L, Gahbauer EA, Allore HG, Gill TM. Joint Trajectories of Cognition and Frailty and Associated Burden of Patient-Reported Outcomes. J Am Med Dir Assoc 2018; 19:304-309.e2. [PMID: 29146224 PMCID: PMC6054444 DOI: 10.1016/j.jamda.2017.10.010] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2017] [Revised: 10/06/2017] [Accepted: 10/06/2017] [Indexed: 11/18/2022]
Abstract
OBJECTIVES To evaluate joint trajectories of cognition and frailty and their association with the cumulative burden of patient-reported outcomes, including hospitalization, nursing home admission, and disability. DESIGN Longitudinal study of 754 community-living persons aged 70 or older. PARTICIPANTS 690 participants who had a baseline and at least one follow-up assessment of cognition and frailty between 1998 and 2009. MEASUREMENTS Cognition was assessed using the Mini-Mental State Examination (MMSE). Frailty was defined by the 5 criteria for the Fried phenotype: muscle weakness, exhaustion, low physical activity, shrinking, and slow walking speed. A group-based, mixture modeling approach was used to fit the joint trajectories of cognition and frailty. The cumulative burden of hospitalization, nursing home admission, and disability over 141 months associated with the joint trajectories was evaluated using a series of generalized estimating equation Poisson models. RESULTS Four joint trajectories were identified, including No cognitive frailty (27.8%), Slow cognitive decline and progressive frailty (45.5%), Rapid cognitive decline and progressive frailty (20.2%), and Cognitive frailty (6.5%). For each joint trajectory group, the interval-specific incidence density rates of all patient-reported outcomes tended to increase over time, with the exception of hospitalization for which the increasing trend was apparent only for the Slow cognitive decline and progressive frailty group. The No cognitive frailty group had the lowest cumulative burden of all patient-reported outcomes [eg, nursing home admissions, 7.5/1000 person-months, 95% confidence interval (CI): 4.8-11.7], whereas the Cognitive frailty group had the highest cumulative burden (eg, nursing home admissions, 381.1/1000 person-months, 95% CI: 294.5-493.1), with the exception of hospitalization. Compared with the No cognitive frailty group, the 3 other joint trajectory groups all had significantly greater burden of the patient-reported outcomes. CONCLUSION Community-living older persons exhibit distinct joint trajectories of cognition and frailty and experience an increasing burden of nursing home admission and disability as they age, with the greatest burden for those on a cognitive frailty trajectory.
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Affiliation(s)
- Zuyun Liu
- Department of Internal Medicine, Yale School of Medicine, New Haven, CT
| | - Ling Han
- Department of Internal Medicine, Yale School of Medicine, New Haven, CT
| | | | - Heather G Allore
- Department of Internal Medicine, Yale School of Medicine, New Haven, CT
| | - Thomas M Gill
- Department of Internal Medicine, Yale School of Medicine, New Haven, CT.
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MacNeil Vroomen JL, Han L, Monin JK, Lipska KJ, Allore HG. Diabetes, Heart Disease, and Dementia: National Estimates of Functional Disability Trajectories. J Am Geriatr Soc 2018. [PMID: 29521414 DOI: 10.1111/jgs.15284] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
OBJECTIVES To estimate the associations between diabetes, heart disease, and dementia, which may increase the difficulty of self-care; model functional disability trajectories jointly with attrition (death or dropout) over 5 years. DESIGN Population-based complex survey design. SETTING National Health and Aging Trends Study. PARTICIPANTS Community-dwelling Medicare beneficiaries aged 65 and older (N=7,609). MEASUREMENTS National estimates were generated using sampling weights. Sociodemographic characteristics, self-reported physician-diagnosed chronic conditions, six activities of daily living (ADL), and cognitive status were ascertained in annual in-person interviews. A joint model using group-based trajectory modeling was used to estimate the number of ADL disabilities and attrition probability. Multinomial logistic regression with survey weights was used to estimate the association between diabetes, heart disease, and dementia and resultant trajectories of disability, with the least disabled trajectory used as a reference. RESULTS Three functional disability trajectories were identified: 26.9 million (76.3%) individuals with no disability and a constant study attrition of 14.3%, 4.9 million (13.9%) with mild and increasing disability and 12% attrition in 2012 and 27.2% in 2015, and 3.4 million (9.7%) with severe and increasing disability and 25.4% attrition in 2012 and 35% in 2015. Persons with possible dementia, possible dementia and diabetes, or possible dementia with diabetes and heart disease had significantly greater odds of being on the mild disability trajectory than those with no disability. Persons with probable dementia, representing more than 1.5 million persons, regardless of concurrent conditions, had significantly greater odds of being on the severe disability trajectory than on the no disability trajectory. CONCLUSIONS Methods that generate national estimates and account for attrition and for multiple chronic conditions and cognitive status may be useful for health policy-makers to make decisions on care provisions and services.
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Affiliation(s)
- Janet L MacNeil Vroomen
- Section of Geriatrics, Department of Internal Medicine, School of Medicine, Yale University, New Haven, Connecticut
| | - Ling Han
- Section of Geriatrics, Department of Internal Medicine, School of Medicine, Yale University, New Haven, Connecticut
| | - Joan K Monin
- Social and Behavioral Sciences Department, School of Public Health, Yale University, New Haven, Connecticut
| | - Kasia J Lipska
- Section of Endocrinology Department of Internal Medicine, School of Medicine, Yale University, New Haven, Connecticut
| | - Heather G Allore
- Section of Geriatrics, Department of Internal Medicine, School of Medicine, Yale University, New Haven, Connecticut.,Department of Biostatistics, School of Public Health, Yale University, New Haven, Connecticut
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Cesari M, Araujo de Carvalho I, Amuthavalli Thiyagarajan J, Cooper C, Martin FC, Reginster JY, Vellas B, Beard JR. Evidence for the Domains Supporting the Construct of Intrinsic Capacity. J Gerontol A Biol Sci Med Sci 2018; 73:1653-1660. [DOI: 10.1093/gerona/gly011] [Citation(s) in RCA: 219] [Impact Index Per Article: 36.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2017] [Indexed: 01/16/2023] Open
Affiliation(s)
- Matteo Cesari
- Gérontopôle, Centre Hospitalier Universitaire de Toulouse, France
- Université de Toulouse III Paul Sabatier, France
- Geriatric Unit, Fondazione IRCCS Ca’ Granda - Ospedale Maggiore Policlinico, Milano, Italy
- Department of Clinical Sciences and Community Health, Università di Milano, Italy
| | | | | | - Cyrus Cooper
- Medical Research Council Lifecourse Epidemiology Unit, University of Southampton, United Kingdom
| | - Finbarr C Martin
- Division of Health and Social Care Research, King’s College, London, United Kingdom
| | - Jean-Yves Reginster
- Department of Public Health, Epidemiology and Health Economics, University of Liege, Belgium
| | - Bruno Vellas
- Gérontopôle, Centre Hospitalier Universitaire de Toulouse, France
- Université de Toulouse III Paul Sabatier, France
| | - John R Beard
- Department of Ageing and Life Course, World Health Organization, Geneva, Switzerland
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Hallgren J, Fransson EI, Reynolds CA, Finkel D, Pedersen NL, Dahl Aslan AK. Cognitive trajectories in relation to hospitalization among older Swedish adults. Arch Gerontol Geriatr 2018; 74:9-14. [DOI: 10.1016/j.archger.2017.09.002] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2017] [Revised: 09/04/2017] [Accepted: 09/05/2017] [Indexed: 11/29/2022]
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Cohen-Mansfield J, Cohen R, Skornick-Bouchbinder M, Brill S. What Is the End of Life Period? Trajectories and Characterization Based on Primary Caregiver Reports. J Gerontol A Biol Sci Med Sci 2017; 73:695-701. [DOI: 10.1093/gerona/glx195] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2017] [Accepted: 10/08/2017] [Indexed: 11/14/2022] Open
Affiliation(s)
- Jiska Cohen-Mansfield
- Minerva Center for Interdisciplinary Study of End of Life, Tel Aviv University, Israel
- Herczeg Institute on Aging, Tel Aviv University, Israel
- Department of Health Promotion, School of Public Health, Sackler Faculty of Medicine, Tel Aviv University, Israel
| | - Rinat Cohen
- Minerva Center for Interdisciplinary Study of End of Life, Tel Aviv University, Israel
- Department of Health Promotion, School of Public Health, Sackler Faculty of Medicine, Tel Aviv University, Israel
| | | | - Shai Brill
- Minerva Center for Interdisciplinary Study of End of Life, Tel Aviv University, Israel
- Beit Rivka Medical Center, Petah Tikva, Israel
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Downer B, Chen NW, Raji M, Markides KS. A longitudinal study of cognitive trajectories in Mexican Americans age 75 and older. Int J Geriatr Psychiatry 2017; 32:1122-1130. [PMID: 27595613 PMCID: PMC5503790 DOI: 10.1002/gps.4575] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/19/2016] [Revised: 08/11/2016] [Accepted: 08/12/2016] [Indexed: 11/10/2022]
Abstract
OBJECTIVE To identify distinct trajectories for global cognition, memory, and non-memory domains among Mexican American adults 75 years of age and older. METHODS The final sample included 1336 participants of the Hispanic Established Population for the Epidemiologic Study of the Elderly observed during four Waves from 2004-2005 to 2012-2013. Latent class growth curve models were used to identify distinct trajectories for global cognition, memory, and non-memory. RESULTS Three trajectory classes were identified for global cognition, memory, and non-memory domains. Nearly 31% of the final sample maintained high global cognition (persistent high), 52.6% experienced slight decline (decline but high), and 15% experienced severe decline in global cognition (decline to low). Over 95% of participants classified in the decline to low trajectory for global cognition were also classified as decline to low for memory and non-memory. This high level of consistency for memory and non-memory domains was observed for the decline but high (97.0%) and persistent high (93.7%) trajectory classes. CONCLUSIONS These results indicate that the majority of Mexican American older adults will experience varying degrees of cognitive decline. However, a substantial proportion of older Mexican Americans are able to maintain high cognitive functioning into advanced age despite the high prevalence of risk factors for cognitive decline in this population. Copyright © 2016 John Wiley & Sons, Ltd.
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Affiliation(s)
- Brian Downer
- Division of Rehabilitation Sciences, University of Texas Medical Branch, GalvestonTexas, USA
| | - Nai-Wei Chen
- Preventive Medicine and Community Health, University of Texas Medical Branch, GalvestonTexas, USA
| | - Mukaila Raji
- Division of Geriatric Medicine, University of Texas Medical Branch, GalvestonTexas, USA
| | - Kyriakos S. Markides
- Preventive Medicine and Community Health, University of Texas Medical Branch, GalvestonTexas, USA
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