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Lin SSH, Guess TM, Hall JB, Thomas J, Kiselica A. Association of dual task gait performance with cognitive outcomes among older adults: Piloting an inexpensive, portable assessment platform. APPLIED NEUROPSYCHOLOGY. ADULT 2024:1-8. [PMID: 38967491 DOI: 10.1080/23279095.2024.2369656] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/06/2024]
Abstract
Motor assessment has emerged as complementary evidence for the detection of late life cognitive disorders. Clinicians lack inexpensive, accurate, and portable tools for this purpose. To fill this void, the current study piloted measures from the Mizzou Point-of-care Assessment System a multimodal sensor platform. We examined the ability of these motor function measures to distinguish neurocognitive status and assessed their associations with cognitive performance. Data came from 42 older adults, including 16 with mild cognitive impairment (MCI). Participants performed dual task gait, pairing walking with serial subtraction by sevens, along with aa neuropsychological test battery. T-tests revealed that individuals with MCI demonstrated slower stride times (d = .55) and shorter stride lengths (d = .98) compared to healthy older adults. Results from hierarchical regression showed that stride time and stride length predicted cognitive performance across several domains, after controlling for cognitive status and demographics. Cognitive status moderated this relationship for global cognition and attention, wherein gait measures were significantly related to these outcomes for the cognitively normal group, but not the MCI group. Evidence from the current study provided preliminary support that MPASS measures demonstrate expected associations with cognitive performance and can distinguish amongst those with and without cognitive impairment.
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Affiliation(s)
- Shayne S-H Lin
- Department of Health Psychology, University of Missouri, Columbia, MO, USA
- Department of Psychology, University of Alabama, Tuscaloosa, AL, USA
| | - Trent M Guess
- Department of Orthopedic Surgery, University of Missouri, Columbia, MO, USA
- Department of Physical Therapy, University of Missouri, Columbia, MO, USA
| | - Jamie B Hall
- Department of Physical Therapy, University of Missouri, Columbia, MO, USA
| | - Jacob Thomas
- College of Health Sciences, University of Missouri, Columbia, MO, USA
| | - Andrew Kiselica
- Department of Health Psychology, University of Missouri, Columbia, MO, USA
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Palmer JA, Hazen EM, Billinger SA. Dual-task balance control reveals cerebrovascular-behavioral relationships in older adults resistant to cognitive decline. J Am Geriatr Soc 2024. [PMID: 38924057 DOI: 10.1111/jgs.19049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Revised: 05/07/2024] [Accepted: 05/30/2024] [Indexed: 06/28/2024]
Affiliation(s)
- Jacqueline A Palmer
- Division of Physical Therapy and Rehabilitation Science, Medical School, University of Minnesota, Minneapolis, Minnesota, USA
- Department of Neurology, School of Medicine, University of Kansas Medical Center, Kansas City, Kansas, USA
- University of Kansas Alzheimer's Disease Research Center, Fairway, Kansas, USA
| | - Emily M Hazen
- Department of Neurology, School of Medicine, University of Kansas Medical Center, Kansas City, Kansas, USA
| | - Sandra A Billinger
- Department of Neurology, School of Medicine, University of Kansas Medical Center, Kansas City, Kansas, USA
- University of Kansas Alzheimer's Disease Research Center, Fairway, Kansas, USA
- Department of Molecular & Integrative Physiology, University of Kansas Medical Center, Kansas City, Kansas, USA
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García-Agustin D, Rodríguez-Rodríguez V, Morgade-Fonte RM, Bobes MA, Galán-García L. Association between gait speed deterioration and EEG abnormalities. PLoS One 2024; 19:e0305074. [PMID: 38833443 PMCID: PMC11149873 DOI: 10.1371/journal.pone.0305074] [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: 06/25/2022] [Accepted: 04/12/2024] [Indexed: 06/06/2024] Open
Abstract
Physical and cognitive decline at an older age is preceded by changes that accumulate over time until they become clinically evident difficulties. These changes, frequently overlooked by patients and health professionals, may respond better than fully established conditions to strategies designed to prevent disabilities and dependence in later life. The objective of this study was twofold; to provide further support for the need to screen for early functional changes in older adults and to look for an early association between decline in mobility and cognition. A cross-sectional cohort study was conducted on 95 active functionally independent community-dwelling older adults in Havana, Cuba. We measured their gait speed at the usual pace and the cognitive status using the MMSE. A value of 0.8 m/s was used as the cut-off point to decide whether they presented a decline in gait speed. A quantitative analysis of their EEG at rest was also performed to look for an associated subclinical decline in brain function. Results show that 70% of the sample had a gait speed deterioration (i.e., lower than 0.8 m/s), of which 80% also had an abnormal EEG frequency composition for their age. While there was no statistically significant difference in the MMSE score between participants with a gait speed above and below the selected cut-off, individuals with MMSE scores below 25 also had a gait speed<0.8 m/s and an abnormal EEG frequency composition. Our results provide further evidence of early decline in older adults-even if still independent and active-and point to the need for clinical pathways that incorporate screening and early intervention targeted at early deterioration to prolong the years of functional life in older age.
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Sutin AR, Cajuste S, Stephan Y, Luchetti M, Kekäläinen T, Terracciano A. Purpose in life and slow walking speed: cross-sectional and longitudinal associations. GeroScience 2024; 46:3377-3386. [PMID: 38270808 PMCID: PMC11009186 DOI: 10.1007/s11357-024-01073-8] [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: 11/22/2023] [Accepted: 01/09/2024] [Indexed: 01/26/2024] Open
Abstract
The present research examines the association between purpose in life - a component of well-being defined as the feeling that one's life is goal-oriented and has direction - and slow walking speed and the risk of developing slow walking speed over time. Participants (N = 18,825) were from three established longitudinal studies of older adults. At baseline, participants reported on their purpose in life, and interviewers measured their usual walking speed. Walking speed was measured at annual or biannual follow-up waves up to 16 years later. Random-effects meta-analysis was used to summarize the estimates from the individual studies. Every standard deviation higher in purpose in life (as a continuous measure) was associated with a lower likelihood of cross-sectional slow walking speed at baseline (meta-analytic OR = .80, 95% CI = .77-.83). Among participants who did not have slow walking speed at baseline (n = 8,448), every standard deviation higher purpose in life was associated with a lower likelihood of developing slow walking speed over the up to 16 years of follow-up (meta-analytic HR = .93, 95% CI = .89-.96). Physical activity and disease burden accounted for 25% and 14% of the cross-sectional and longitudinal associations, respectively. The associations were independent of age, sex, race, ethnicity, and education and not moderated by these factors. Higher purpose in life is associated with a lower risk of slow walking speed and a lower risk of developing slow walking speed over time. Purpose in life is a psychological resource that may help to support aspects of physical function, such as walking speed, and may help support better function with age.
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Affiliation(s)
- Angelina R Sutin
- Florida State University College of Medicine, Tallahassee, FL, 32306, USA.
| | - Sabrina Cajuste
- Florida State University College of Medicine, Tallahassee, FL, 32306, USA
| | | | - Martina Luchetti
- Florida State University College of Medicine, Tallahassee, FL, 32306, USA
| | - Tiia Kekäläinen
- Faculty of Sport and Health Sciences, University of Jyväskylä, Jyväskylä, Finland
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Pérez Silva Mercado RR, Ascencio EJ, Vidal-Cuellar CL, Aliaga EG, Casas PM, Ruiz-Grosso P, Tello T. Gait speed according to cognitive status in older adults: a cross-sectional study in a resource-limited country. Aging Ment Health 2023; 27:2153-2161. [PMID: 37132488 DOI: 10.1080/13607863.2023.2208043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Accepted: 04/24/2023] [Indexed: 05/04/2023]
Abstract
OBJECTIVE We aimed to investigate the association between gait speed and cognitive status in outpatient older adults from a resource-limited setting in Peru. METHODS We performed a cross-sectional study including older adults aged ≥60 years attending a geriatrics outpatient clinic between July 2017 and February 2020. Gait speed was measured over a 10-meters distance without considering the first and last meter traveled. Cognitive status was assessed through the Short Portable Mental Status Questionnaire (SPMSQ) and the Mini-Mental State Examination (MMSE). We used a multivariate binomial logistic regression to conduct both an epidemiological and fully adjusted models. RESULTS We included 519 older adults (mean age: 75 years; IQR = 10), of whom 95 (18.3%) and 151 (31.5%) were cognitively impaired according to the SPMSQ and MMSE, respectively. Gait speed was slower among patients with poorer cognitive status as assessed by both tools (p < 0.001). Malnutrition (PR: 1.74; CI: 1.45-2.08) and functional dependency (PR: 4.35; CI: 2.68-7.08) were associated with a greater prevalence of cognitive impairment according to the SPMSQ, whereas a faster gait speed (PR: 0.27, CI: 0.14-0.52) and longer years of education (PR: 0.83, CI: 0.77-0.88) were associated with a less prevalence. CONCLUSIONS Slower gait speed was associated with poorer cognitive status in outpatient older adults. Gait speed may be a complementary tool in the cognitive assessment of older adults from resource-limited settings.
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Affiliation(s)
| | - Edson J Ascencio
- School of Medicine 'Alberto Hurtado', Universidad Peruana Cayetano Heredia, Lima, Peru
- Health Innovation Laboratory, Institute of Tropical Medicine 'Alexander von Humboldt', Universidad Peruana Cayetano Heredia, Lima, Peru
| | | | | | - Paola M Casas
- Gerontology Institute, Universidad Peruana Cayetano Heredia, Lima, Peru
- Cayetano Heredia Hospital, Lima, Peru
| | - Paulo Ruiz-Grosso
- School of Medicine 'Alberto Hurtado', Universidad Peruana Cayetano Heredia, Lima, Peru
- National Institute of Mental Health, Lima, Peru
| | - Tania Tello
- School of Medicine 'Alberto Hurtado', Universidad Peruana Cayetano Heredia, Lima, Peru
- Gerontology Institute, Universidad Peruana Cayetano Heredia, Lima, Peru
- Cayetano Heredia Hospital, Lima, Peru
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Bun S, Suzuki K, Niimura H, Shikimoto R, Kida H, Shibata M, Honda T, Ohara T, Hata J, Nakaji S, Maeda T, Ono K, Nakashima K, Iga JI, Takebayashi M, Ninomiya T, Mimura M. Gender and age influence the association between gait speed and mild cognitive impairment in community-dwelling Japanese older adults: from the Japan Prospective Studies Collaboration for Ageing and Dementia (JPSC-AD). Psychogeriatrics 2023; 23:918-929. [PMID: 37533229 DOI: 10.1111/psyg.13013] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Revised: 06/30/2023] [Accepted: 07/19/2023] [Indexed: 08/04/2023]
Abstract
BACKGROUND Studies have shown that decreased gait speed is associated with impaired cognitive function. However, whether this association is equivalent across ages or genders in the older population remains unclear. Thus, we examined the association between mild cognitive impairment (MCI) and gait speed emphasising the influence of age and gender. METHODS Overall, 8233 Japanese participants aged ≥65 years were enrolled in this cross-sectional study between 2016 and 2018. After stratification by gender and age group, the participants' gait speeds were divided into quintiles, and the difference in MCI prevalence at each gait speed quintile was calculated. Logistic regression analyses were performed to assess the odds of MCI for each quintile and to assess the influence of age and gender. RESULTS Males had a consistently higher prevalence of MCI than females. The odds of MCI were increased as gait speed decreased. Logistic regression analyses revealed that in the multivariable-adjusted model 2, the odds ratios (95% confidence interval; CI) for MCI were 2.02 (1.47-2.76) for females and 1.75 (1.29-2.38) for males in the slowest gait speed quintiles compared to the fastest quintile. In the stratified analyses, only males showed an age-dependent increase in the associations between gait speed and MCI, while females exhibited comparable associations across age groups. CONCLUSIONS Reduced gait speed was associated with increased odds of MCI, and this association may vary according to gender and age. Therefore, gait speed could serve as a valuable screening tool for MCI, with gender- and age-dependent clinical implications.
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Affiliation(s)
- Shogyoku Bun
- Department of Neuropsychiatry, Keio University School of Medicine, Tokyo, Japan
| | - Kouta Suzuki
- Department of Neuropsychiatry, Keio University School of Medicine, Tokyo, Japan
| | - Hidehito Niimura
- Department of Neuropsychiatry, Keio University School of Medicine, Tokyo, Japan
| | - Ryo Shikimoto
- Department of Neuropsychiatry, Keio University School of Medicine, Tokyo, Japan
| | - Hisashi Kida
- Department of Neuropsychiatry, Keio University School of Medicine, Tokyo, Japan
| | - Mao Shibata
- Centre for Cohort Studies, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
- Department of Epidemiology and Public Health, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Takanori Honda
- Centre for Cohort Studies, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
- Department of Epidemiology and Public Health, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Tomoyuki Ohara
- Department of Epidemiology and Public Health, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
- Department of Neuropsychiatry, Graduate School of Medical Science, Kyushu University, Fukuoka, Japan
| | - Jun Hata
- Centre for Cohort Studies, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
- Department of Epidemiology and Public Health, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Shigeyuki Nakaji
- Department of Social Medicine, Graduate School of Medicine, Hirosaki University, Hirosaki, Japan
| | - Tetsuya Maeda
- Division of Neurology and Gerontology, Department of Internal Medicine, School of Medicine, Iwate Medical University, Iwate, Japan
| | - Kenjiro Ono
- Department of Neurology, Kanazawa University Graduate School of Medical Sciences, Kanazawa University, Kanazawa, Japan
| | - Kenji Nakashima
- National Hospital Organisation, Matsue Medical Centre, Matsue, Japan
| | - Jun-Ichi Iga
- Department of Neuropsychiatry, Molecules and Function, Ehime University Graduate School of Medicine, Matsuyama, Japan
| | - Minoru Takebayashi
- Faculty of Life Sciences, Department of Neuropsychiatry, Kumamoto University, Kumamoto, Japan
| | - Toshiharu Ninomiya
- Centre for Cohort Studies, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
- Department of Epidemiology and Public Health, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Masaru Mimura
- Department of Neuropsychiatry, Keio University School of Medicine, Tokyo, Japan
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Hainline G, Hainline RD, Handlery R, Fritz S. A Scoping Review of the Predictive Qualities of Walking Speed in Older Adults. J Geriatr Phys Ther 2023:00139143-990000000-00040. [PMID: 37820357 PMCID: PMC11006824 DOI: 10.1519/jpt.0000000000000398] [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] [Indexed: 10/13/2023]
Abstract
BACKGROUND AND PURPOSE Walking speed (WS) is an easily assessable and interpretable functional outcome measure with great utility for the physical therapist providing care to older adults. Since WS was proposed as the sixth vital sign, research into its interpretation and use has flourished. The purpose of this scoping review is to identify the current prognostic value of WS for the older adult. METHODS A scoping review was conducted using PubMed, CINAHL, and SPORTDiscus to find relevant articles highlighting the predictive capabilities of WS for older adults. Titles and abstracts were reviewed to identify relevant articles. Articles were excluded based on the following criteria: sample included both younger and older adults without separate analyses, sample was focused on a particular disease, if the study was published before 2017, or if the study did not report relevant cut points for interpretation of WS. The search returned 1064 results. Following removal of articles not meeting inclusion criteria and critical appraisal, relevant cut points were extracted from 47 original research publications. RESULTS AND DISCUSSION A preliminary review of the included articles showed that WS is a valuable prognostic tool across many health domains, including mental health, mortality, disability, pain, bone and joint health, falls, cognition, physical activity, metabolic health, risk for cardiovascular disease, socialization, and metabolic health. The fastest WS of 1.32 meters per second (m/s) served as a cutoff for decreased risk for incident development of type 2 diabetes, while the slowest WS of less than 0.2 m/s was associated with increased duration of hospitalization. Multiple studies reported on the prognostic value of WS slower than 1.0 m/s. CONCLUSION Although the reported range of predictive WS values was broad, multiple studies found WS of approximately 1.0 m/s to be a useful marker for delineating risk or decline across a variety of health domains. Clinicians may find it useful to use a WS slower than 1.0 m/s as a "yellow flag" to guide evaluation and intervention for their older adult clients.
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Xie H, Chen E, Zhang Y. Association of walking pace and fall-related injury among Chinese older adults: Data from the SAGE survey. Complement Ther Clin Pract 2023; 50:101710. [PMID: 36455493 DOI: 10.1016/j.ctcp.2022.101710] [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: 09/23/2022] [Revised: 11/15/2022] [Accepted: 11/17/2022] [Indexed: 11/21/2022]
Abstract
OBJECTIVE Falls are an important public health issue that poses a threat to the health of senior people and reduces their ability to maintain independence, which in turn reduces poor quality of life. Several studies have demonstrated a positive relationship between physical function and fall, it remains unclear whether there is an association between gait speed and fall-related injuries among the aging population, which represent the largest proportion of older adults in China. Therefore, the aim of this study was to examine the association between gait speed and fall-related injuries among older Chinese adults. METHODS Data from the Global Ageing and Adult Health Survey (2007-2010) were analyzed. A stratified multi-stage cluster sampling design was used to collect the survey data. A total of 7558 Chinese adults aged 60 or older were included in this study. A 4-m walking test was used to assess gait speed. Fall-related injuries were self-reported by study participants. The binary logistic regression model was employed to examine the association between gait speed and fall-related injuries while controlling for age, sex, education years, smoking, alcohol consumption, and chronic diseases. RESULTS The mean age of the sample of older Chinese adults was 69.70 ± 7.10 years (females accounted for 52.6%). The results showed that a normal gait speed was negatively correlated with fall-related injury (odds ratio = 1.20) when adjusting for all covariates. Moreover, a binary regression analysis showed that a normal gait speed was only negatively correlated with fall-related injury in male participants (odds ratio = 1.32). There were no significant results in rapid gait speed and fall-related injuries. CONCLUSION The results suggest that a slow gait speed may predict a higher risk of fall-related injuries among older Chinese adults, especially older male adults. Further studies are needed to verify our findings.
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Affiliation(s)
| | - Erle Chen
- Shenzhen College of International Education, China.
| | - Yanjie Zhang
- Physical Education Unit, School of Humanities and Social Science, The Chinese University of Hong Kong-Shenzhen, Shenzhen, China.
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Luo J, Su L, Ndeke JM, Wang F, Hendryx M. Gait speed, handgrip strength, and cognitive impairment among older women - A multistate analysis. Exp Gerontol 2022; 169:111947. [PMID: 36084906 DOI: 10.1016/j.exger.2022.111947] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2022] [Revised: 08/29/2022] [Accepted: 08/30/2022] [Indexed: 12/15/2022]
Abstract
BACKGROUND Cognitive impairment imposes substantial psychological, emotional, and economic burdens on affected individuals, families and society. A better understanding of potentially modifiable risk factors that may be used in the prevention of cognitive impairment is therefore a high priority in aging research. METHODS This study included 9268 community-dwelling women aged 65 years or older from the Study of Osteoporotic Fractures launched between 1986 and 1988 in the US. Participants were followed for 20 years. Modified Mini-Mental State Examination (m-MMSE) was administered up to 6 times. Six updated measurements of gait speed and handgrip strength at the same visit time when m-MMSE was administered were used. The m-MMSE score was used to define cognitive impairment states (normal, mild, and severe impairment). A multi-state model (MSM) was used to estimate the transitions between different states of cognitive function. RESULTS Faster gait speed (one unit increase of meter/s) was associated with lower risk of transition from cognitively normal status to mild cognitive impairment (HR = 0.50, 95 % CI: 0.37-0.67), and from mild impairment to severe impairment (HR = 0.52, 95 % CI: 0.37-0.72). Higher gait speed was associated with increased risk of cognitive transition from severe impairment to mild impairment (HR = 2.56 95 % CI: 0.97-6.77), although the result did not reach statistical significance. Similarly, we observed greater handgrip strength (per kg increase) was associated with lower risk of transition of cognitive status from normal to mild impairment (HR = 0.96 95 % CI: 0.95-0.97), and from mild to severe impairment (HR = 0.98, 95 % CI: 0.96-0.99). Greater handgrip strength was associated with increased risk of cognitive transition from severe to mild cognitive impairment (HR = 1.05, 95 % CI: 1.01-1.09). In addition, we also observed that both faster gait speed and greater handgrip strength were associated with lower risk of transitions from normal or mild cognitive impairment status to death. CONCLUSION Our results confirmed that screening for slow gait speed or weak handgrip strength may be useful for identifying older adults at risk for cognitive decline when they are still cognitively normal or only mildly impaired. Exercise programs to improve gait speed and muscle strength may delay or prevent transitions into cognitive impairment in older adults.
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Affiliation(s)
- Juhua Luo
- Department of Epidemiology and Biostatistics, School of Public Health, Indiana University, Bloomington, IN, United States of America.
| | - Le Su
- Department of Epidemiology and Biostatistics, School of Public Health, Indiana University, Bloomington, IN, United States of America
| | - Jonas M Ndeke
- Department of Epidemiology and Biostatistics, School of Public Health, Indiana University, Bloomington, IN, United States of America
| | - Fengge Wang
- Department of Epidemiology and Biostatistics, School of Public Health, Indiana University, Bloomington, IN, United States of America
| | - Michael Hendryx
- Department of Environmental and Occupational Health, School of Public Health, Indiana University, Bloomington, IN, United States of America
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Ramoo K, Hairi NN, Yahya A, Choo WY, Hairi FM, Peramalah D, Kandiben S, Bulgiba A, Ali ZM, Razak IA, Ismail N, Ahmad NS. Longitudinal Association between Sarcopenia and Cognitive Impairment among Older Adults in Rural Malaysia. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19084723. [PMID: 35457592 PMCID: PMC9025848 DOI: 10.3390/ijerph19084723] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 02/19/2022] [Revised: 03/27/2022] [Accepted: 03/29/2022] [Indexed: 12/25/2022]
Abstract
Sarcopenia is a condition that is highly prevalent among older adults. This condition is linked to numerous adverse health outcomes, including cognitive impairment that impairs healthy ageing. While sarcopenia and cognitive impairment may share a common pathway, limited longitudinal studies exist to show the relationship between these two conditions. Therefore, this study aimed to examine the longitudinal association between sarcopenia and cognitive impairment. This is a cohort study among older adults residing in Kuala Pilah District, Negeri Sembilan, Malaysia. There were 2404 respondents at the baseline and 1946 respondents at one-year follow-up. Cognitive impairment was determined using Mini-mental State Examination scores. Sarcopenia was identified using the Asian Working Group for Sarcopenia 2019 criteria, gait speed was measured using a 4-meter gait test, handgrip strength was assessed using Jamar handheld dynamometer, and appendicular skeletal muscle mass was measured using bioelectrical impedance analysis. Generalized estimating equation (GEE) was used to determine the longitudinal association between sarcopenia and cognitive impairment, presented as relative risk (RR) and its 95% confidence interval. The prevalence of sarcopenia was 5.0% (95% CI 4.00–5.90), and severe sarcopenia was 3.60% (95% CI 2.84–4.31). Upon adjusting for covariates, older adults with sarcopenia have an 80 per cent increased risk of cognitive impairment compared to those without (RR 1.80; 95% CI 1.18–2.75). Similarly, severe sarcopenia was found to significantly increase the risk of cognitive impairment by 101 per cent in the adjusted model (RR 2.01; 95% CI 1.24–3.27). Our study showed that sarcopenia, severe sarcopenia, low physical activity, depressive symptoms, hearing impairment and chronic pain were associated with a higher risk of cognitive impairment among community-dwelling older adults. Therefore, early intervention to prevent sarcopenia, depressive symptoms, hearing impairment, chronic pain, and higher physical activity among older adults is recommended.
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Affiliation(s)
- K. Ramoo
- Centre for Epidemiology and Evidence-Based Practice, Department of Social and Preventive Medicine, Faculty of Medicine, University of Malaya, Kuala Lumpur 50603, Malaysia; (K.R.); (A.Y.); (W.Y.C.); (F.M.H.); (D.P.); (S.K.); (A.B.)
| | - Noran N. Hairi
- Centre for Epidemiology and Evidence-Based Practice, Department of Social and Preventive Medicine, Faculty of Medicine, University of Malaya, Kuala Lumpur 50603, Malaysia; (K.R.); (A.Y.); (W.Y.C.); (F.M.H.); (D.P.); (S.K.); (A.B.)
- Faculty of Public Health, Universitas Airlangga, Surabaya City 60115, Indonesia
- Correspondence: ; Tel.: +603-79674762
| | - A. Yahya
- Centre for Epidemiology and Evidence-Based Practice, Department of Social and Preventive Medicine, Faculty of Medicine, University of Malaya, Kuala Lumpur 50603, Malaysia; (K.R.); (A.Y.); (W.Y.C.); (F.M.H.); (D.P.); (S.K.); (A.B.)
| | - W. Y. Choo
- Centre for Epidemiology and Evidence-Based Practice, Department of Social and Preventive Medicine, Faculty of Medicine, University of Malaya, Kuala Lumpur 50603, Malaysia; (K.R.); (A.Y.); (W.Y.C.); (F.M.H.); (D.P.); (S.K.); (A.B.)
| | - F. Mohd Hairi
- Centre for Epidemiology and Evidence-Based Practice, Department of Social and Preventive Medicine, Faculty of Medicine, University of Malaya, Kuala Lumpur 50603, Malaysia; (K.R.); (A.Y.); (W.Y.C.); (F.M.H.); (D.P.); (S.K.); (A.B.)
| | - D. Peramalah
- Centre for Epidemiology and Evidence-Based Practice, Department of Social and Preventive Medicine, Faculty of Medicine, University of Malaya, Kuala Lumpur 50603, Malaysia; (K.R.); (A.Y.); (W.Y.C.); (F.M.H.); (D.P.); (S.K.); (A.B.)
| | - S. Kandiben
- Centre for Epidemiology and Evidence-Based Practice, Department of Social and Preventive Medicine, Faculty of Medicine, University of Malaya, Kuala Lumpur 50603, Malaysia; (K.R.); (A.Y.); (W.Y.C.); (F.M.H.); (D.P.); (S.K.); (A.B.)
| | - A. Bulgiba
- Centre for Epidemiology and Evidence-Based Practice, Department of Social and Preventive Medicine, Faculty of Medicine, University of Malaya, Kuala Lumpur 50603, Malaysia; (K.R.); (A.Y.); (W.Y.C.); (F.M.H.); (D.P.); (S.K.); (A.B.)
| | - Z. Mohd Ali
- Negeri Sembilan State Health Department (JKNNS), Seremban 70300, Malaysia; (Z.M.A.); (I.A.R.)
| | - I. Abdul Razak
- Negeri Sembilan State Health Department (JKNNS), Seremban 70300, Malaysia; (Z.M.A.); (I.A.R.)
| | - N. Ismail
- Disease Control Division, Ministry of Health Malaysia, Putrajaya 62590, Malaysia;
| | - N. S. Ahmad
- Mental Health, Injury Prevention, Violence and Substance Abuse Sector, Disease Control Division, Ministry of Health, Putrajaya 62590, Malaysia;
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Graham EK, Willroth EC, Weston SJ, Muniz-Terrera G, Clouston SA, Hofer SM, Mroczek DK, Piccinin AM. Coordinated data analysis: Knowledge accumulation in lifespan developmental psychology. Psychol Aging 2022; 37:125-135. [PMID: 35113619 PMCID: PMC8814465 DOI: 10.1037/pag0000612] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Coordinated analysis is a powerful form of integrative analysis, and is well suited in its capacity to promote cumulative scientific knowledge, particularly in subfields of psychology that focus on the processes of lifespan development and aging. Coordinated analysis uses raw data from individual studies to create similar hypothesis tests for a given research question across multiple datasets, thereby making it less vulnerable to common criticisms of meta-analysis such as file drawer effects or publication bias. Coordinated analysis can sometimes use random effects meta-analysis to summarize results, which does not assume a single true effect size for a given statistical test. By fitting parallel models in separate datasets, coordinated analysis preserves the heterogeneity among studies, and provides a window into the generalizability and external validity of a set of results. The current article achieves three goals: First, it describes the phases of a coordinated analysis so that interested researchers can more easily adopt these methods in their labs. Second, it discusses the importance of coordinated analysis within the context of the credibility revolution in psychology. Third, it encourages the use of existing data networks and repositories for conducting coordinated analysis, in order to enhance accessibility and inclusivity. Subfields of research that require time- or resource- intensive data collection, such as longitudinal aging research, would benefit by adopting these methods. (PsycInfo Database Record (c) 2022 APA, all rights reserved).
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Affiliation(s)
| | | | | | - Graciela Muniz-Terrera
- University of Edinburgh, Centre for Clinical Brain Sciences, Edinburgh, Scotland, UK,University of Edinburgh, Centre for Dementia Prevention, Edinburgh, Scotland, UK
| | - Sean A.P. Clouston
- Department of Family, Population, and Preventive Medicine; Program in Public Health, University of Stony Brook
| | - Scott M. Hofer
- University of Victoria, Department of Psychology, Victoria, BC, Canada
| | - Daniel K. Mroczek
- Department of Medical Social Sciences, Northwestern University,Department of Psychology, Northwestern University
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12
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Lee HS, Shim SR, Kim JH, Ko M. Effects of curved path walking compared to straight path walking in older adults with cognitive deficits: A systematic review and network meta-analysis. PHYSIOTHERAPY RESEARCH INTERNATIONAL 2022; 27:e1935. [PMID: 35037347 DOI: 10.1002/pri.1935] [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: 09/16/2021] [Revised: 12/03/2021] [Accepted: 12/30/2021] [Indexed: 11/06/2022]
Abstract
OBJECTIVE To determine whether the existing literature provides evidence that curved path walking time can be a reliable marker of cognitive impairment among older adults using a network meta-analysis (NMA). DATA SOURCES PubMed, Web of Science, ScienceDirect, Scopus, and Korean Studies Information Service System (KSISS) electronic databases were searched in December 2019. STUDY SELECTION Studies that included the following variables were selected: (P): patients with cognitive impairment, (I): straight path versus curved path walking, (C): control group without cognitive impairment, (O): walking time, and (S): cross-sectional or longitudinal study design. In total, 21 studies were selected for the NMA, which was performed to compare the standardized mean difference (SMD) of walking time on curved and straight paths. RESULTS Older adults with dementia had significantly longer walking times than older adults with mild cognitive impairment (MCI) for both straight path walking and curved path walking. The SMD of straight path walking time was 0.59 (95% credible interval [CrI]: 0.39, 0.81) for older adults with MCI and 0.90 (95% CrI: 0.65, 1.16) for older adults with dementia. The SMD of walking time on a curved path was 0.52 (95% CrI: -0.22, 1.26) for older adults with MCI and 1.98 (95% CrI: 1.20, 2.92) for those with dementia. In older adults with dementia, the correlation coefficient of the Fisher's z value was higher for curved path walking than for straight path walking. CONCLUSION The way people with dementia walk exhibits signs of cognitive impairments. NMA confirmed that older adults with dementia requires significantly longer time to walk the same distance than healthy controls or older adults with MCI for both curved and straight path walking.
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Affiliation(s)
- Han Suk Lee
- Department of Physical Therapy, University of Eulji, Seongnam-si, Korea
| | - Sung Ryul Shim
- Department of Preventive Medicine, Korea University College of Medicine and School of Medicine, Seoul, Korea
| | - Jun Ho Kim
- Department of Physical Therapy, University of Eulji, Seongnam-si, Korea
| | - Mansoo Ko
- Department of Physical Therapy, University of Texas Medical Branch, Galveston, Texas, USA
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13
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Marín-Jiménez N, Cruz-León C, Perez-Bey A, Conde-Caveda J, Grao-Cruces A, Aparicio VA, Castro-Piñero J, Cuenca-García M. Predictive Validity of Motor Fitness and Flexibility Tests in Adults and Older Adults: A Systematic Review. J Clin Med 2022; 11:jcm11020328. [PMID: 35054020 PMCID: PMC8779466 DOI: 10.3390/jcm11020328] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2021] [Revised: 12/17/2021] [Accepted: 01/05/2022] [Indexed: 02/04/2023] Open
Abstract
Motor fitness and flexibility have been linked to several health issues. We aimed to investigate the predictive validity of motor fitness and flexibility tests in relation to health outcomes in adults and older adults. Web of Science and PubMed databases were screened for studies published from inception to November 2020. Two authors systematically searched, evaluated, and extracted data from identified original studies and systematic reviews/meta-analysis. Three levels of evidence were constructed: strong, moderate, and limited/inconclusive evidence. In total, 1182 studies were identified, and 70 studies and 6 systematic reviews/meta-analysis were summarized. Strong evidence indicated that (i) slower gait speed predicts falls and institutionalization/hospitalization in adults over 60 years old, cognitive decline/impairment over 55 years old, mobility disability over 50 years old, disability in instrumental activities of daily living (IADL) over 54 years old, cardiovascular disease risk over 45 years old, and all-cause mortality over 35 years old; (ii) impaired balance predicts falls and disability in IADL/mobility disability in adults over 40 years old and all-cause mortality over 53 years old; (iii) worse timed up&go test (TUG) predicts falls and fear of falling over 40 years old. Evidence supports that slower gait speed, impaired balance, and worse TUG performance are significantly associated with an increased risk of adverse health outcomes in adults.
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Affiliation(s)
- Nuria Marín-Jiménez
- GALENO Research Group, Department of Physical Education, Faculty of Education Sciences, University of Cadiz, Puerto Real, 11519 Cádiz, Spain; (N.M.-J.); (C.C.-L.); (J.C.-C.); (A.G.-C.); (J.C.-P.); (M.C.-G.)
- Instituto de Investigación e Innovación Biomédica de Cádiz (INiBICA), University of Cádiz, 11009 Cádiz, Spain
| | - Carolina Cruz-León
- GALENO Research Group, Department of Physical Education, Faculty of Education Sciences, University of Cadiz, Puerto Real, 11519 Cádiz, Spain; (N.M.-J.); (C.C.-L.); (J.C.-C.); (A.G.-C.); (J.C.-P.); (M.C.-G.)
- Instituto de Investigación e Innovación Biomédica de Cádiz (INiBICA), University of Cádiz, 11009 Cádiz, Spain
| | - Alejandro Perez-Bey
- GALENO Research Group, Department of Physical Education, Faculty of Education Sciences, University of Cadiz, Puerto Real, 11519 Cádiz, Spain; (N.M.-J.); (C.C.-L.); (J.C.-C.); (A.G.-C.); (J.C.-P.); (M.C.-G.)
- Instituto de Investigación e Innovación Biomédica de Cádiz (INiBICA), University of Cádiz, 11009 Cádiz, Spain
- Correspondence: ; Tel.: +34-65-7588624
| | - Julio Conde-Caveda
- GALENO Research Group, Department of Physical Education, Faculty of Education Sciences, University of Cadiz, Puerto Real, 11519 Cádiz, Spain; (N.M.-J.); (C.C.-L.); (J.C.-C.); (A.G.-C.); (J.C.-P.); (M.C.-G.)
- Instituto de Investigación e Innovación Biomédica de Cádiz (INiBICA), University of Cádiz, 11009 Cádiz, Spain
| | - Alberto Grao-Cruces
- GALENO Research Group, Department of Physical Education, Faculty of Education Sciences, University of Cadiz, Puerto Real, 11519 Cádiz, Spain; (N.M.-J.); (C.C.-L.); (J.C.-C.); (A.G.-C.); (J.C.-P.); (M.C.-G.)
- Instituto de Investigación e Innovación Biomédica de Cádiz (INiBICA), University of Cádiz, 11009 Cádiz, Spain
| | - Virginia A. Aparicio
- Department of Physiology, Institute of Nutrition and Food Technology “José Mataix Verdú”, University of Granada, 18071 Granada, Spain;
- Sport and Health University Research Centre, University of Granada, 18007 Granada, Spain
| | - José Castro-Piñero
- GALENO Research Group, Department of Physical Education, Faculty of Education Sciences, University of Cadiz, Puerto Real, 11519 Cádiz, Spain; (N.M.-J.); (C.C.-L.); (J.C.-C.); (A.G.-C.); (J.C.-P.); (M.C.-G.)
- Instituto de Investigación e Innovación Biomédica de Cádiz (INiBICA), University of Cádiz, 11009 Cádiz, Spain
| | - Magdalena Cuenca-García
- GALENO Research Group, Department of Physical Education, Faculty of Education Sciences, University of Cadiz, Puerto Real, 11519 Cádiz, Spain; (N.M.-J.); (C.C.-L.); (J.C.-C.); (A.G.-C.); (J.C.-P.); (M.C.-G.)
- Instituto de Investigación e Innovación Biomédica de Cádiz (INiBICA), University of Cádiz, 11009 Cádiz, Spain
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14
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Tian Q, Studenski SA, An Y, Kuo PL, Schrack JA, Wanigatunga AA, Simonsick EM, Resnick SM, Ferrucci L. Association of Combined Slow Gait and Low Activity Fragmentation With Later Onset of Cognitive Impairment. JAMA Netw Open 2021; 4:e2135168. [PMID: 34792590 PMCID: PMC8603083 DOI: 10.1001/jamanetworkopen.2021.35168] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
IMPORTANCE Among older people, slow walking is an early indicator of risk for Alzheimer disease (AD). However, studies that have assessed this association have not considered that slow walking may have different causes, some of which are not necessarily associated with higher AD risk. OBJECTIVE To evaluate whether low activity fragmentation among older adults with slow gait speed indicates neurological causes of slow walking that put these individuals at higher risk of AD. DESIGN, SETTING, AND PARTICIPANTS This prospective cohort study performed survival analyses using data from the Baltimore Longitudinal Study of Aging. Participants included 520 initially cognitively normal persons aged 60 years or older. New diagnoses of mild cognitive impairment (MCI) or AD were adjudicated during a mean (SD) follow-up of 7.3 (2.7) years. Initial assessment of gait speed and activity fragmentation occurred from January 3, 2007, to May 11, 2015, with follow-up completed on December 31, 2020. Data were analyzed from February 1 to May 15, 2021. EXPOSURES Gait speed for 6 m and activity fragmentation assessed by accelerometry. MAIN OUTCOMES AND MEASURES Associations of gait speed, activity fragmentation, and their interaction with incident MCI/AD were evaluated using Cox proportional hazards models, adjusted for covariates. RESULTS Among the 520 participants (265 women [51.0%]; 125 Black participants [24.0%]; 367 White participants [70.6%]; mean [SD] age, 73 [8] years), MCI/AD developed in 64 participants. Each 0.05-m/s slower gait was associated with a 7% increase in risk of developing MCI/AD (hazard ratio [HR], 1.07 [95% CI, 1.00-1.15]; P = .04). Activity fragmentation alone was not associated with MCI/AD risk (HR, 0.83 [95% CI, 0.56-1.23]; P = .35), but there was a significant interaction between gait speed and activity fragmentation (HR, 0.92 [95% CI, 0.87-0.98]; P = .01). At low activity fragmentation (-1 SD), each 0.05-m/s slower gait speed was associated with a 19% increase in hazard of developing MCI/AD (HR, 1.19 [95% CI, 1.07-1.32]), whereas at higher activity fragmentation (+1 SD), gait speed was not associated with MCI/AD (HR, 1.01 [95% CI, 0.93-1.10]). Among participants with slow gait, higher activity fragmentation was associated with higher odds of having lower extremity osteoarthritis (odds ratio, 1.31 [95% CI, 1.01-1.69]) and less decline in pegboard dominant hand performance (β = 0.026 [SE, 0.009]; P > .05). CONCLUSIONS AND RELEVANCE These findings suggest that frequent rests among older adults with slow gait speed are associated with lower risk of future MCI/AD and that this behavioral strategy is associated with a lower likelihood of subclinical neurological impairment.
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Affiliation(s)
- Qu Tian
- Translational Gerontology Branch Longitudinal Studies Section, National Institute on Aging, National Institutes of Health, Baltimore, Maryland
| | - Stephanie A. Studenski
- Translational Gerontology Branch Longitudinal Studies Section, National Institute on Aging, National Institutes of Health, Baltimore, Maryland
- Division of Geriatric Medicine, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | - Yang An
- Laboratory of Behavioral Neuroscience, National Institute on Aging, National Institutes of Health, Baltimore, Maryland
| | - Pei-Lun Kuo
- Translational Gerontology Branch Longitudinal Studies Section, National Institute on Aging, National Institutes of Health, Baltimore, Maryland
| | - Jennifer A. Schrack
- Laboratory of Behavioral Neuroscience, National Institute on Aging, National Institutes of Health, Baltimore, Maryland
- Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland
| | | | - Eleanor M. Simonsick
- Translational Gerontology Branch Longitudinal Studies Section, National Institute on Aging, National Institutes of Health, Baltimore, Maryland
| | - Susan M. Resnick
- Laboratory of Behavioral Neuroscience, National Institute on Aging, National Institutes of Health, Baltimore, Maryland
| | - Luigi Ferrucci
- Translational Gerontology Branch Longitudinal Studies Section, National Institute on Aging, National Institutes of Health, Baltimore, Maryland
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15
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Frye BM, Craft S, Latimer CS, Keene CD, Montine TJ, Register TC, Orr ME, Kavanagh K, Macauley SL, Shively CA. Aging-related Alzheimer's disease-like neuropathology and functional decline in captive vervet monkeys (Chlorocebus aethiops sabaeus). Am J Primatol 2021; 83:e23260. [PMID: 33818801 PMCID: PMC8626867 DOI: 10.1002/ajp.23260] [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: 12/09/2020] [Revised: 03/05/2021] [Accepted: 03/21/2021] [Indexed: 12/17/2022]
Abstract
Age-related neurodegeneration characteristic of late-onset Alzheimer's disease (LOAD) begins in middle age, well before symptoms. Translational models to identify modifiable risk factors are needed to understand etiology and identify therapeutic targets. Here, we outline the evidence supporting the vervet monkey (Chlorocebus aethiops sabaeus) as a model of aging-related AD-like neuropathology and associated phenotypes including cognitive function, physical function, glucose handling, intestinal physiology, and CSF, blood, and neuroimaging biomarkers. This review provides the most comprehensive multisystem description of aging in vervets to date. This review synthesizes a large body of evidence that suggests that aging vervets exhibit a coordinated suite of traits consistent with early AD and provide a powerful, naturally occurring model for LOAD. Notably, relationships are identified between AD-like neuropathology and modifiable risk factors. Gaps in knowledge and key limitations are provided to shape future studies to illuminate mechanisms underlying divergent neurocognitive aging trajectories and to develop interventions that increase resilience to aging-associated chronic disease, particularly, LOAD.
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Affiliation(s)
- Brett M. Frye
- Department of Pathology/Comparative Medicine, Wake Forest School of Medicine
- Department of Internal Medicine, Section on Gerontology and Geriatric Medicine, Wake Forest School of Medicine
| | - Suzanne Craft
- Department of Internal Medicine, Section on Gerontology and Geriatric Medicine, Wake Forest School of Medicine
- Wake Forest Alzheimer’s Disease Research Center
- J. Paul Sticht Center for Healthy Aging and Alzheimer’s Prevention, Wake Forest School of Medicine
| | - Caitlin S. Latimer
- Department of Laboratory Medicine and Pathology, University of Washington-Seattle
| | - C. Dirk Keene
- Department of Laboratory Medicine and Pathology, University of Washington-Seattle
| | | | - Thomas C. Register
- Department of Pathology/Comparative Medicine, Wake Forest School of Medicine
- Wake Forest Alzheimer’s Disease Research Center
- J. Paul Sticht Center for Healthy Aging and Alzheimer’s Prevention, Wake Forest School of Medicine
| | - Miranda E. Orr
- Department of Internal Medicine, Section on Gerontology and Geriatric Medicine, Wake Forest School of Medicine
| | - Kylie Kavanagh
- Department of Pathology/Comparative Medicine, Wake Forest School of Medicine
| | - Shannon L. Macauley
- Department of Internal Medicine, Section on Gerontology and Geriatric Medicine, Wake Forest School of Medicine
- Wake Forest Alzheimer’s Disease Research Center
| | - Carol A. Shively
- Department of Pathology/Comparative Medicine, Wake Forest School of Medicine
- Wake Forest Alzheimer’s Disease Research Center
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16
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Sujkowski A, Wessells R. Exercise and Sestrin Mediate Speed and Lysosomal Activity in Drosophila by Partially Overlapping Mechanisms. Cells 2021; 10:cells10092479. [PMID: 34572128 PMCID: PMC8466685 DOI: 10.3390/cells10092479] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2021] [Revised: 09/15/2021] [Accepted: 09/17/2021] [Indexed: 12/14/2022] Open
Abstract
Chronic exercise is widely recognized as an important contributor to healthspan in humans and in diverse animal models. Recently, we have demonstrated that Sestrins, a family of evolutionarily conserved exercise-inducible proteins, are critical mediators of exercise benefits in flies and mice. Knockout of Sestrins prevents exercise adaptations to endurance and flight in Drosophila, and similarly prevents benefits to endurance and metabolism in exercising mice. In contrast, overexpression of dSestrin in muscle mimics several of the molecular and physiological adaptations characteristic of endurance exercise. Here, we extend those observations to examine the impact of dSestrin on preserving speed and increasing lysosomal activity. We find that dSestrin is a critical factor driving exercise adaptations to climbing speed, but is not absolutely required for exercise to increase lysosomal activity in Drosophila. The role of Sestrin in increasing speed during chronic exercise requires both the TORC2/AKT axis and the PGC1α homolog spargel, while dSestrin requires interactions with TORC1 to cell-autonomously increase lysosomal activity. These results highlight the conserved role of Sestrins as key factors that drive diverse physiological adaptations conferred by chronic exercise.
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17
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Lee WJ, Peng LN, Lin MH, Loh CH, Chen LK. Active wearable device utilization improved physical performance and IGF-1 among community-dwelling middle-aged and older adults: a 12-month prospective cohort study. Aging (Albany NY) 2021; 13:19710-19721. [PMID: 34343970 PMCID: PMC8386548 DOI: 10.18632/aging.203383] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Accepted: 07/17/2021] [Indexed: 12/01/2022]
Abstract
Wearable devices provide real-time and patient-powered data that enable the development of personalized health promotion and management programs. This study aimed to explore the clinical benefits of using the wearable device and to examine associated factors, utilization patterns on health status. 319 community-living adults aged 50-85 years were enrolled and clinically followed for 12 months. Participants were categorized into 3 groups based on the wearable device utilization patterns (active: >30 days of use, non-active: <3 days of use, usual: 3-30 days of use). 128 (40.1%) and 98(30.7%) were active and usual wearable device users, and no significant differences in the baseline demographic characteristics and functional status were noted across groups. Higher cognitive performance was significantly associated with the wearable device use (OR: 1.3,95%CI: 1.1-1.5, p=0.005). Multivariable linear regression showed that 0.16 m/s increase in walking speed among active users, which was significantly higher than non-active users (p=0.034). Compared to usual users, active users had higher average daily, weekday, and holiday step counts. The walking speed increased for 0.03 m/s when participants walked 1,000 more daily step counts (p=0.020). Active use of wearable devices substantially increased walking speed, which suggested better functional outcomes and survival benefits in the future.
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Affiliation(s)
- Wei-Ju Lee
- Aging and Health Research Center, National Yang Ming Chiao Tung University, Taipei, Taiwan.,Department of Family Medicine, Taipei Veterans General Hospital Yuanshan Branch, Yilan County, Taiwan
| | - Li-Ning Peng
- Aging and Health Research Center, National Yang Ming Chiao Tung University, Taipei, Taiwan.,Center for Geriatrics and Gerontology, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Ming-Hsien Lin
- Aging and Health Research Center, National Yang Ming Chiao Tung University, Taipei, Taiwan.,Center for Geriatrics and Gerontology, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Ching-Hui Loh
- Aging and Health Research Center, National Yang Ming Chiao Tung University, Taipei, Taiwan.,Center of Health and Aging, Hualien Tzu Chi Hospital Buddhist Tzu Chi Medical Foundation, Hualien County, Taiwan
| | - Liang-Kung Chen
- Aging and Health Research Center, National Yang Ming Chiao Tung University, Taipei, Taiwan.,Center for Geriatrics and Gerontology, Taipei Veterans General Hospital, Taipei, Taiwan.,Superintendent Office, Taipei Municipal Gan-Dau Hospital, Taipei, Taiwan
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18
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Baek JY, Lee E, Kim WJ, Jang IY, Jung HW. A Cumulative Muscle Index and Its Parameters for Predicting Future Cognitive Decline: Longitudinal Outcomes of the ASPRA Cohort. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph18147350. [PMID: 34299801 PMCID: PMC8303449 DOI: 10.3390/ijerph18147350] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/02/2021] [Revised: 06/28/2021] [Accepted: 07/07/2021] [Indexed: 12/19/2022]
Abstract
Sarcopenia and cognitive decline share the major risk factors of physical inactivity; previous studies have shown inconsistent associations. We aimed to identify the association of sarcopenia and its parameters with cognitive decline. The 3-year longitudinal outcomes of 1327 participants from the Aging Study of the Pyeongchang Rural Area (ASPRA) cohort were analyzed. Cognitive performance was evaluated using the Mini-Mental State Examination (MMSE), and sarcopenia was defined by the following: the original and revised Asian Working Group for Sarcopenia (AWGS), the original and revised European Working Group on Sarcopenia in Older People (EWGSOP), and the Cumulative Muscle Index (CMI), a novel index based on the number of impaired domains of sarcopenia. Approximately half of the participants showed meaningful cognitive decline. Sarcopenia by the original EWGSOP and the CMI were associated with cognitive decline. Only the CMI showed consistent predictability for cognitive impairment even with different criteria of the MMSE score (OR 1.23 [1.04-1.46]; OR 1.34 [1.12-1.59]; OR 1.22 [1.01-1.49], using the 1, 2, and 3 cut-off value, respectively). Of the CMI parameters, gait speed was satisfactorily predictive of 3-year cognitive impairment (OR 0.54 [0.30-0.97]). In conclusion, sarcopenia based on the CMI may be predictive of future cognitive impairment. Gait speed was the single most important indicator of cognitive decline.
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Affiliation(s)
- Ji-Yeon Baek
- Division of Geriatrics, Department of Internal Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul 05505, Korea; (J.-Y.B.); (E.L.)
| | - Eunju Lee
- Division of Geriatrics, Department of Internal Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul 05505, Korea; (J.-Y.B.); (E.L.)
| | - Woo Jung Kim
- Department of Psychiatry, Yongin Severance Hospital, Yonsei University College of Medicine, Yongin 16995, Korea;
| | - Il-Young Jang
- Division of Geriatrics, Department of Internal Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul 05505, Korea; (J.-Y.B.); (E.L.)
- Correspondence: (I.-Y.J.); (H.-W.J.); Tel.: +82-2-3010-1658 (I.-Y.J.); +82-2-3010-1852 (H.-W.J.)
| | - Hee-Won Jung
- Division of Geriatrics, Department of Internal Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul 05505, Korea; (J.-Y.B.); (E.L.)
- Correspondence: (I.-Y.J.); (H.-W.J.); Tel.: +82-2-3010-1658 (I.-Y.J.); +82-2-3010-1852 (H.-W.J.)
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19
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Frye BM, Valure PM, Craft S, Baxter MG, Scott C, Wise-Walden S, Bissinger DW, Register HM, Copeland C, Jorgensen MJ, Justice JN, Kritchevsky SB, Register TC, Shively CA. Temporal emergence of age-associated changes in cognitive and physical function in vervets (Chlorocebus aethiops sabaeus). GeroScience 2021; 43:1303-1315. [PMID: 33611720 PMCID: PMC8190425 DOI: 10.1007/s11357-021-00338-w] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2020] [Accepted: 02/04/2021] [Indexed: 02/07/2023] Open
Abstract
Dual declines in gait speed and cognitive performance are associated with increased risk of developing dementia. Characterizing the patterns of such impairments therefore is paramount to distinguishing healthy from pathological aging. Nonhuman primates such as vervet/African green monkeys (Chlorocebus aethiops sabaeus) are important models of human neurocognitive aging, yet the trajectory of dual decline has not been characterized. We therefore (1) assessed whether cognitive and physical performance (i.e., gait speed) are lower in older aged animals; (2) explored the relationship between performance in a novel task of executive function (Wake Forest Maze Task-WFMT) and a well-established assessment of working memory (delayed response task-DR task); and (3) examined the association between baseline gait speed with executive function and working memory at 1-year follow-up. We found (1) physical and cognitive declines with age; (2) strong agreement between performance in the novel WFMT and DR task; and (3) that slow gait is associated with poor cognitive performance in both domains. Our results suggest that older aged vervets exhibit a coordinated suite of traits consistent with human aging and that slow gait may be a biomarker of cognitive decline. This integrative approach provides evidence that gait speed and cognitive function differ across the lifespan in female vervet monkeys, which advances them as a model that could be used to dissect relationships between trajectories of dual decline over time.
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Affiliation(s)
- Brett M Frye
- Wake Forest School of Medicine, Medical Center Blvd Winston-Salem, NC, 27157-1040, USA
- Sticht Center for Healthy Aging and Alzheimer's Prevention, Department of Internal Medicine - Gerontology and Geriatric Medicine, Wake Forest School of Medicine, Winston-Salem, USA
| | - Payton M Valure
- Wake Forest School of Medicine, Medical Center Blvd Winston-Salem, NC, 27157-1040, USA
| | - Suzanne Craft
- Sticht Center for Healthy Aging and Alzheimer's Prevention, Department of Internal Medicine - Gerontology and Geriatric Medicine, Wake Forest School of Medicine, Winston-Salem, USA
- Wake Forest Alzheimer's Disease Research Center, Winston-Salem, USA
| | - Mark G Baxter
- Nash Family Department of Neuroscience, IW, New York, USA
| | - Christie Scott
- Wake Forest School of Medicine, Medical Center Blvd Winston-Salem, NC, 27157-1040, USA
| | - Shanna Wise-Walden
- Wake Forest School of Medicine, Medical Center Blvd Winston-Salem, NC, 27157-1040, USA
| | - David W Bissinger
- Wake Forest School of Medicine, Medical Center Blvd Winston-Salem, NC, 27157-1040, USA
| | - Hannah M Register
- Wake Forest School of Medicine, Medical Center Blvd Winston-Salem, NC, 27157-1040, USA
| | - Carson Copeland
- Wake Forest School of Medicine, Medical Center Blvd Winston-Salem, NC, 27157-1040, USA
| | - Matthew J Jorgensen
- Wake Forest School of Medicine, Medical Center Blvd Winston-Salem, NC, 27157-1040, USA
| | - Jamie N Justice
- Sticht Center for Healthy Aging and Alzheimer's Prevention, Department of Internal Medicine - Gerontology and Geriatric Medicine, Wake Forest School of Medicine, Winston-Salem, USA
| | - Stephen B Kritchevsky
- Sticht Center for Healthy Aging and Alzheimer's Prevention, Department of Internal Medicine - Gerontology and Geriatric Medicine, Wake Forest School of Medicine, Winston-Salem, USA
| | - Thomas C Register
- Wake Forest School of Medicine, Medical Center Blvd Winston-Salem, NC, 27157-1040, USA
- Wake Forest Alzheimer's Disease Research Center, Winston-Salem, USA
| | - Carol A Shively
- Wake Forest School of Medicine, Medical Center Blvd Winston-Salem, NC, 27157-1040, USA.
- Wake Forest Alzheimer's Disease Research Center, Winston-Salem, USA.
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20
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Bortone I, Sardone R, Lampignano L, Castellana F, Zupo R, Lozupone M, Moretti B, Giannelli G, Panza F. How gait influences frailty models and health-related outcomes in clinical-based and population-based studies: a systematic review. J Cachexia Sarcopenia Muscle 2021; 12:274-297. [PMID: 33590975 PMCID: PMC8061366 DOI: 10.1002/jcsm.12667] [Citation(s) in RCA: 43] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/28/2020] [Revised: 10/30/2020] [Accepted: 12/16/2020] [Indexed: 12/20/2022] Open
Abstract
Aging is often associated with a decline in physical function that eventually leads to loss of autonomy in activities of daily living (ADL). Walking is a very common ADL, important for main determinants of quality of life in older age, and it requires the integration of many physiological systems. Gait speed has been described as the 'sixth vital sign' because it is a core indicator of health and function in aging and disease. We reviewed original studies up to June 2020 that assessed frailty in both longitudinal and cross-sectional observational studies, paying particular attention to how gait is measured in older population and how the gait parameter adopted may influence the estimated frailty models and the health-related outcomes of the various studies (i.e. clinical, cognitive, physical, and nutritional outcomes). Eighty-five studies met the search strategy and were included in the present systematic review. According to the frailty tools, more than 60% of the studies used the physical phenotype model proposed by Fried and colleagues, while one-third referred to multi-domain indexes or models and only 5% referred to other single-domain frailty models (social or cognitive). The great heterogeneity observed in gait measurements and protocols limited the possibility to directly compare the results of the studies and it could represent an important issue causing variability in the different outcome measures in both clinical-and population-based settings. Gait appeared to be an indicator of health and function also in frail older adults, and different gait parameters appeared to predict adverse health-related outcomes in clinical, cognitive, and physical domains and, to a lesser extent, in nutritional domain. Gait has the potential to elucidate the common basic mechanisms of cognitive and motor decline. Advances in technology may extend the validity of gait in different clinical settings also in frail older adults, and technology-based assessment should be encouraged. Combining various gait parameters may enhance frailty prediction and classification of different frailty phenotypes.
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Affiliation(s)
- Ilaria Bortone
- Population Health Unit – “Salus In Apulia Study”National Institute of Gastroenterology “Saverio de Bellis”, Research HospitalCastellana Grotte, BariItaly
| | - Rodolfo Sardone
- Population Health Unit – “Salus In Apulia Study”National Institute of Gastroenterology “Saverio de Bellis”, Research HospitalCastellana Grotte, BariItaly
| | - Luisa Lampignano
- Population Health Unit – “Salus In Apulia Study”National Institute of Gastroenterology “Saverio de Bellis”, Research HospitalCastellana Grotte, BariItaly
| | - Fabio Castellana
- Population Health Unit – “Salus In Apulia Study”National Institute of Gastroenterology “Saverio de Bellis”, Research HospitalCastellana Grotte, BariItaly
| | - Roberta Zupo
- Population Health Unit – “Salus In Apulia Study”National Institute of Gastroenterology “Saverio de Bellis”, Research HospitalCastellana Grotte, BariItaly
| | - Madia Lozupone
- Population Health Unit – “Salus In Apulia Study”National Institute of Gastroenterology “Saverio de Bellis”, Research HospitalCastellana Grotte, BariItaly
- Neurodegenerative Disease Unit, Department of Basic Medicine, Neuroscience, and Sense OrgansUniversity of Bari Aldo MoroBariItaly
| | - Biagio Moretti
- Orthopaedics and Trauma Unit, Department of Basic Medicine, Neuroscience, and Sense OrgansUniversity of Bari Aldo MoroBariItaly
| | - Gianluigi Giannelli
- Scientific DirectionNational Institute of Gastroenterology “Saverio de Bellis”, Research HospitalCastellana Grotte, BariItaly
| | - Francesco Panza
- Population Health Unit – “Salus In Apulia Study”National Institute of Gastroenterology “Saverio de Bellis”, Research HospitalCastellana Grotte, BariItaly
- Neurodegenerative Disease Unit, Department of Basic Medicine, Neuroscience, and Sense OrgansUniversity of Bari Aldo MoroBariItaly
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21
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Naharci MI, Katipoglu B, Veizi B, Tasci I. Gait Speed is independently associated with Depression Symptoms in Mild Cognitive Impairment. AGING NEUROPSYCHOLOGY AND COGNITION 2021; 29:637-650. [PMID: 33554744 DOI: 10.1080/13825585.2021.1882932] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
Depression symptoms are known to influence gait speed in cognitively healthy adults. In this study, we aimed to examine the relationship between gait speed and depression symptoms in older patients with mild cognitive impairment. The participants were classified as slow and normal gait speed based on the Fried criteria. A total of 152 subjects with mild cognitive impairment were included. Of these, 39.5% (n=60) had slow gait speed. Compared to normal speed group (n=92), patients with slow speed had more clinically significant depression (geriatric depression scale score ≥ 6) (p=0.004), cardiovascular disease (p=0.007), recent falls (p<0.001), and anticholinergic burden (p=0.005). Multivariable logistic regression analysis yielded statistically significant associations between slow gait speed and depression in age and gender adjusted [OR:3.30 (1.46-7.46), p=0.004] and fully adjusted [OR: 2.80 (1.10-7.08), p=0.030] models. This study showed an independent association between slow gait speed and depression symptoms in older people with mild cognitive impairment.
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Affiliation(s)
- Mehmet Ilkin Naharci
- Gulhane Faculty of Medicine & Gulhane Training and Research Hospital, Division of Geriatrics, University of Health Sciences, Ankara, Turkiye
| | - Bilal Katipoglu
- Gulhane Faculty of Medicine & Gulhane Training and Research Hospital, Division of Geriatrics, University of Health Sciences, Ankara, Turkiye
| | - Betul Veizi
- Gulhane Faculty of Medicine & Gulhane Training and Research Hospital, Division of Geriatrics, University of Health Sciences, Ankara, Turkiye
| | - Ilker Tasci
- Gulhane Faculty of Medicine & Gulhane Training and Research Hospital, Department of Internal Medicine, University of Health Sciences, Ankara, Turkiye
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22
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Hamrick MW, Stranahan AM. Metabolic regulation of aging and age-related disease. Ageing Res Rev 2020; 64:101175. [PMID: 32971259 DOI: 10.1016/j.arr.2020.101175] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2020] [Revised: 08/19/2020] [Accepted: 09/03/2020] [Indexed: 12/23/2022]
Abstract
Inquiry into relationships between energy metabolism and brain function requires a uniquely interdisciplinary mindset, and implementation of anti-aging lifestyle strategies based on this work also involves consistent mental and physical discipline. Dr. Mark P. Mattson embodies both of these qualities, based on the breadth and depth of his work on neurobiological responses to energetic stress, and on his own diligent practice of regular exercise and caloric restriction. Dr. Mattson created a neurotrophic niche in his own laboratory, allowing trainees to grow their skills, form new connections, and eventually migrate, forming their own labs while remaining part of the extended lab family. In this historical review, we highlight Dr. Mattson's many contributions to understanding neurobiological responses to physical exercise and dietary restriction, with an emphasis on the mechanisms that may underlie neuroprotection in ageing and age-related disease. On the occasion of Dr. Mattson's retirement from the National Institute on Aging, we highlight his foundational work on metabolism and neuroplasticity by reviewing the context for these findings and considering their impact on future research on the neuroscience of aging.
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23
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Lorenzo-López L, Blanco-Fandiño J, Cibeira N, Buján A, López-López R, Maseda A, Millán-Calenti JC. Clinical and Neuropsychological Correlates of Prefrailty Syndrome. Front Med (Lausanne) 2020; 7:609359. [PMID: 33240913 PMCID: PMC7680970 DOI: 10.3389/fmed.2020.609359] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2020] [Accepted: 10/20/2020] [Indexed: 12/15/2022] Open
Abstract
Physical frailty is closely associated with cognitive impairment. We aim to investigate the neuropsychological profiles of prefrail and non-frail dementia-free community-dwelling older adults using a comprehensive neuropsychological evaluation, and to examine the association between specific frailty criteria and clinical and neuropsychological scores. Participants completed a comprehensive standardized neuropsychological evaluation (covering cognitive domains such as memory, executive functions, language and attention), and frailty assessment. Frailty was assessed according to biological criteria: unintentional weight loss, exhaustion, low physical activity, slowness, and weakness. The sample comprised 60 dementia-free community-dwelling adults, aged 65 years or older (range 65-89 years; 60.0% women). Forty-two participants were classified as robust (no frailty criteria present), and 18 as prefrail (1 or 2 frailty criteria present). We explored neurocognitive differences between the groups and examined the association between specific criteria of frailty phenotype and clinical and neuropsychological outcomes with bivariate tests and multivariate models. Prefrail participants showed poorer cognitive performance than non-frail participants in both memory and non-memory cognitive domains. However, delayed episodic memory was the only cognitive subdomain that remained significant after controlling for age, gender, and educational level. Gait speed was significantly associated with general cognitive performance, immediate memory, and processing speed, while grip strength was associated with visual episodic memory and visuoconstructive abilities. Both gait speed and grip strength were negatively associated with depressive scores. Our results suggest that prefrailty is associated with cognitive dysfunction. The fact that specific cognitive domains may be susceptible to subclinical states of physical frailty may have important clinical implications. Indeed, early detection of specific cognitive dysfunctions may allow opportunities for reversibility.
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Affiliation(s)
- Laura Lorenzo-López
- Universidade da Coruña, Gerontology and Geriatrics Research Group, Instituto de Investigación Biomédica de A Coruña (INIBIC), Complexo Hospitalario Universitario de A Coruña (CHUAC), Servizo Galego de Saúde (SERGAS), A Coruña, Spain
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24
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Liu X, Hou L, Xia X, Liu Y, Zuo Z, Zhang Y, Zhao W, Hao Q, Yue J, Dong B. Prevalence of sarcopenia in multi ethnics adults and the association with cognitive impairment: findings from West-China health and aging trend study. BMC Geriatr 2020; 20:63. [PMID: 32066390 PMCID: PMC7027212 DOI: 10.1186/s12877-020-1468-5] [Citation(s) in RCA: 47] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2019] [Accepted: 02/10/2020] [Indexed: 02/08/2023] Open
Abstract
Background Sarcopenia is a condition that is characterized by loss of muscle mass, muscle strength and muscle functional impairment with ageing. It is associated with poor health outcomes, premature death and a significant burden on the global health economy. The prevalence of sarcopenia in China is unknown since most of the studies are lack of uniform standard. The study was undertaken to study the prevalence of sarcopenia and the association with cognitive impairment among multi-ethnic adults aged 50 years old or older in western China. Methods We measured gait speed, handgrip strength and muscle mass by using bioelectrical impedance analysis (BIA) for all eligible participants and 4500 participants were eligible for the analysis. We defined sarcopenia using the diagnostic algorithm recommended by the Asian Working Group for Sarcopenia (AWGS). We assessed the participants’ cognitive functions using the 10-item Short Portable Mental Status Questionnaire (SPMSQ). Relationships between sarcopenia and cognitive impairment were analyzed using univariate and multivariate analyses. Results Of 4500 participants (mean age 62.4 ± 8.3 years), 869 (19.31%) adults were sarcopenia. 446 (9.9%) participants were identified as having mild cognitive impairment, 144 (3.2%) adults were identified as having moderate/severe cognitive impairment. After adjusting for age, gender, ethnics and other potential cofounders, cognitive impairment was found to be independently associated with sarcopenia with a dosage effect (mild cognitive impairment: odds ratio [OR]: 1.41, 95% CI 1.10–1.82; moderate/severe cognitive impairment: OR: 3.05, 95% CI 2.08–4.49). After gender stratification, the association between mild cognitive impairment with sarcopenia in male is not significant, while is still significant in female. While the association between moderate/severe cognitive impairment is independently associated with sarcopenia in both male and female. Conclusions The prevalence rates of sarcopenia, mild cognitive impairment, moderate/severe cognitive impairment among the communities aged 50 or older in western China were 19.31, 9.9 and 3.2%, respectively. Cognitive impairment was significantly associated with sarcopenia with a dosage effect, especially in female.
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Affiliation(s)
- Xiaolei Liu
- National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, No. 37, Guo Xue Xiang Renmin Nan Lu, Chengdu, Sichuan, China.,Geriatric Health Care and Medical Research Center, Sichuan University, Chengdu, Sichuan Province, China
| | - Lisha Hou
- National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, No. 37, Guo Xue Xiang Renmin Nan Lu, Chengdu, Sichuan, China.,Geriatric Health Care and Medical Research Center, Sichuan University, Chengdu, Sichuan Province, China
| | - Xin Xia
- National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, No. 37, Guo Xue Xiang Renmin Nan Lu, Chengdu, Sichuan, China.,Geriatric Health Care and Medical Research Center, Sichuan University, Chengdu, Sichuan Province, China
| | - Yang Liu
- National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, No. 37, Guo Xue Xiang Renmin Nan Lu, Chengdu, Sichuan, China.,Geriatric Health Care and Medical Research Center, Sichuan University, Chengdu, Sichuan Province, China
| | - Zhiliang Zuo
- National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, No. 37, Guo Xue Xiang Renmin Nan Lu, Chengdu, Sichuan, China.,Geriatric Health Care and Medical Research Center, Sichuan University, Chengdu, Sichuan Province, China
| | - Yan Zhang
- National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, No. 37, Guo Xue Xiang Renmin Nan Lu, Chengdu, Sichuan, China.,Geriatric Health Care and Medical Research Center, Sichuan University, Chengdu, Sichuan Province, China
| | - Wanyu Zhao
- National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, No. 37, Guo Xue Xiang Renmin Nan Lu, Chengdu, Sichuan, China.,Geriatric Health Care and Medical Research Center, Sichuan University, Chengdu, Sichuan Province, China
| | - Qiukui Hao
- National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, No. 37, Guo Xue Xiang Renmin Nan Lu, Chengdu, Sichuan, China.,Geriatric Health Care and Medical Research Center, Sichuan University, Chengdu, Sichuan Province, China
| | - Jirong Yue
- National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, No. 37, Guo Xue Xiang Renmin Nan Lu, Chengdu, Sichuan, China.,Geriatric Health Care and Medical Research Center, Sichuan University, Chengdu, Sichuan Province, China
| | - Birong Dong
- National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, No. 37, Guo Xue Xiang Renmin Nan Lu, Chengdu, Sichuan, China. .,Geriatric Health Care and Medical Research Center, Sichuan University, Chengdu, Sichuan Province, China.
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