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Kennard A, Richardson A, Rainsford S, Hamilton K, Glasgow N, Pumpa K, Douglas A, Talaulikar GS. Longitudinal frailty assessment in the prediction of survival among patients with advanced chronic kidney disease: a prospective observational single-centre cohort study. BMJ Open 2024; 14:e087189. [PMID: 39389597 DOI: 10.1136/bmjopen-2024-087189] [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] [Indexed: 10/12/2024] Open
Abstract
OBJECTIVES This study aims to describe the prevalence, characteristics and longitudinal changes in frailty among outpatient chronic kidney disease (CKD) and haemodialysis (HD) populations and their impact on survival. DESIGN Prospective observational cohort study. SETTING Single-centre ambulatory tertiary care setting, metropolitan Australian teaching hospital. PARTICIPANTS Adult patients with advanced CKD (defined as estimated glomerular filtration rate <20 mL/min) or undergoing maintenance HD. Consent model was informed opt-out consent. INTERVENTIONS Fried frailty assessment at baseline, 6 months and 12 months of longitudinal follow-up. PRIMARY OUTCOMES All-cause mortality and kidney transplantation events. RESULTS Frailty was identified in 36.3% of the 256 participants, while an additional 46.5% exhibited prefrailty. Frailty was equally common among CKD and HD cohorts. Frailty outperformed age, comorbidity and laboratory parameters in predicting mortality risk with HR 2.83 (95% CI 1.44 to 5.56, p<0.001). Frailty also substantially reduced access to transplantation. While most participants exhibited static Fried phenotype over longitudinal assessment, improvements in frailty were observed as frequently as frailty progression. Female gender and symptom burden predicted frailty progression. CONCLUSIONS Frailty is highly prevalent and closely aligned with survival outcomes. Frailty among patients attending routine outpatient care may demonstrate responsiveness to intervention with subsequent improvements in mortality and other patient-level outcomes.
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Affiliation(s)
- Alice Kennard
- College of Health and Medicine, Australian National University, Canberra, Australian Capital Territory, Australia
- Department of Renal Medicine, Canberra Hospital, Canberra, Australian Capital Territory, Australia
| | | | - Suzanne Rainsford
- College of Health and Medicine, Australian National University, Canberra, Australian Capital Territory, Australia
| | - Kelly Hamilton
- Department of Renal Medicine, Canberra Hospital, Canberra, Australian Capital Territory, Australia
| | - Nicholas Glasgow
- College of Health and Medicine, Australian National University, Canberra, Australian Capital Territory, Australia
| | - Kate Pumpa
- University College Dublin, Dublin, Ireland
- University of Canberra, Canberra, Canberra, Australia
| | | | - Girish Scricant Talaulikar
- College of Health and Medicine, Australian National University, Canberra, Australian Capital Territory, Australia
- Department of Renal Medicine, Canberra Hospital, Canberra, Australian Capital Territory, Australia
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Liu X, Zhao R, Zhou X, Yu M, Zhang X, Wen X, Jin J, Wang H, Lv D, Zhao S, Jiao J, Wu X, Xu T. Association between polypharmacy and 2-year outcomes among Chinese older inpatients: a multi-center cohort study. BMC Geriatr 2024; 24:748. [PMID: 39251936 PMCID: PMC11382416 DOI: 10.1186/s12877-024-05340-3] [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: 03/16/2024] [Accepted: 08/28/2024] [Indexed: 09/11/2024] Open
Abstract
BACKGROUND The escalating global prevalence of polypharmacy presents a growing challenge to public health. In light of this issue, the primary objective of our study was to investigate the status of polypharmacy and its association with clinical outcomes in a large sample of hospitalized older patients aged 65 years and over. METHODS A two-year prospective cohort study was carried out at six tertiary-level hospitals in China. Polypharmacy was defined as the prescription of 5 or more different medications daily, including over-the-counter and non-prescription medications. Baseline polypharmacy, multimorbidity, and other variables were collected when at admission, and 2-year outcomes were recorded by telephone follow-up. We used multivariate logistic regression analysis to examine the associations between polypharmacy and 2-year outcomes. RESULTS The overall response rate was 87.2% and 8713 participants were included in the final analysis. The mean age was 72.40 years (SD = 5.72), and women accounted for 42.2%. The prevalence of polypharmacy among older Chinese inpatients is 23.6%. After adjusting for age, sex, education, marriage status, body mass index, baseline frailty, handgrip strength, cognitive impairment, and the Charlson comorbidity index, polypharmacy is significantly associated with frailty aggravation (OR 1.432, 95% CI 1.258-1.631) and mortality (OR 1.365, 95% CI 1.174-1.592), while inversely associated with readmission (OR 0.870, 95% CI 0.764-0.989). Polypharmacy was associated with a 35.6% increase in the risk of falls (1.356, 95%CI 1.064-1.716). This association weakened after adjustment for multimorbidity to 27.3% (OR 1.273, 95%CI 0.992-1.622). CONCLUSIONS Polypharmacy was prevalent among older inpatients and was a risk factor for 2-year frailty aggravation and mortality. These results highlight the importance of optimizing medication use in older adults to minimize the risks associated with polypharmacy. Further research and implementing strategies are warranted to enhance the quality of care and safety for older individuals exposed to polypharmacy. TRIAL REGISTRATION Chinese Clinical Trial Registry, ChiCTR1800017682, registered 09/08/2018.
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Affiliation(s)
- Xiaomeng Liu
- Department of Nursing, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Rubing Zhao
- School of Nursing, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Xingyu Zhou
- Department of Nursing, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Miao Yu
- Department of Epidemiology and Statistics, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences & School of Basic Medicine, Peking Union Medical College, Beijing, China
| | - Xiaoming Zhang
- Emergency Department, The People's Hospital of Baoan, Shenzhen, China
| | - Xianxiu Wen
- Department of Nursing, Sichuan Provincial People's Hospital, Chengdu, China
| | - Jingfen Jin
- Department of Nursing, The Second Affiliated Hospital Zhejiang University School of Medicine, Hangzhou, China
| | - Hui Wang
- Department of Nursing, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Dongmei Lv
- Department of Nursing, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Shengxiu Zhao
- Department of Nursing, Qinghai Provincial People's Hospital, Xining, China
| | - Jing Jiao
- Department of Nursing, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.
| | - Xinjuan Wu
- Department of Nursing, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.
| | - Tao Xu
- Department of Epidemiology and Statistics, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences & School of Basic Medicine, Peking Union Medical College, Beijing, China.
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Ohata Y, Godai K, Kabayama M, Kido M, Akagi Y, Tseng W, Maus M, Akasaka H, Takami Y, Yamamoto K, Gondo Y, Yasumoto S, Ogawa M, Kasuga A, Matsumoto K, Masui Y, Ikebe K, Arai Y, Ishizaki T, Kamide K. Risk factors predicting subtypes of physical frailty incidence stratified by musculoskeletal diseases in community-dwelling older adults: The SONIC study. Geriatr Gerontol Int 2024; 24:797-805. [PMID: 39031835 DOI: 10.1111/ggi.14924] [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: 04/08/2024] [Revised: 05/29/2024] [Accepted: 06/02/2024] [Indexed: 07/22/2024]
Abstract
AIM This study aims to identify the key risk factors that lead to subtypes of physical frailty assessed by walking speed and grip strength among community-dwelling Japanese individuals, stratified by the presence of musculoskeletal diseases (MSDs) and age group. METHODS We included 302 participants aged 70 or 80 years who did not exhibit subtypes of physical frailty at baseline through the Septuagenarians, Octogenarians, Nonagenarians, Investigation with Centenarians (SONIC) study. Our study was a longitudinal study. The outcome was the incidence of subtypes of physical frailty after 3 years. Subtypes of physical frailty were defined as a weak grip strength or slow walking speed, or both, based on the Japanese version of the Cardiovascular Health Study Index. The risk factors for subtypes of physical frailty incidence were examined by age group and MSD, using multivariate logistic regressions. RESULTS Of the 302 participants, 110 (36.4%) had MSD. Those with MSD were significantly more likely to have subtypes of physical frailty after 3 years compared with those without MSD. Among all participants, older age was a risk factor of subtypes of physical frailty (P < 0.05). Without MSD, older age and dissatisfied financial status were risk factors (P < 0.05). With MSD, older age was a risk factor (P < 0.05). By age group, in individuals aged 70 years old, a dissatisfied financial status was a risk factor for those without MSD (P < 0.05), and a higher BMI was one for those with MSD (P < 0.05). CONCLUSIONS Older age was a risk factor for subtypes of physical frailty, but other risk factors differed according to the presence of MSD and age. Geriatr Gerontol Int 2024; 24: 797-805.
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Affiliation(s)
- Yuka Ohata
- Division of Health Science, Graduate School of Medicine, Osaka University, Osaka, Japan
| | - Kayo Godai
- Division of Health Science, Graduate School of Medicine, Osaka University, Osaka, Japan
| | - Mai Kabayama
- Division of Health Science, Graduate School of Medicine, Osaka University, Osaka, Japan
| | - Michiko Kido
- Division of Health Science, Graduate School of Medicine, Osaka University, Osaka, Japan
| | - Yuya Akagi
- Division of Health Science, Graduate School of Medicine, Osaka University, Osaka, Japan
| | - Winston Tseng
- Department of Ethnic Studies, University of California, Berkeley, California, USA
| | - Marlon Maus
- Art of the School of Public Health, University of California, Berkeley, California, USA
| | - Hiroshi Akasaka
- Department of Geriatric and General Medicine, Graduate School of Medicine, Osaka University, Osaka, Japan
| | - Yoichi Takami
- Department of Geriatric and General Medicine, Graduate School of Medicine, Osaka University, Osaka, Japan
| | - Koichi Yamamoto
- Department of Geriatric and General Medicine, Graduate School of Medicine, Osaka University, Osaka, Japan
| | - Yasuyuki Gondo
- Department of Clinical Thanatology and Geriatric Behavioral Science, Graduate School of Human Sciences, Osaka University, Osaka, Japan
| | - Saori Yasumoto
- Department of Clinical Thanatology and Geriatric Behavioral Science, Graduate School of Human Sciences, Osaka University, Osaka, Japan
| | - Madoka Ogawa
- Department of Clinical Thanatology and Geriatric Behavioral Science, Graduate School of Human Sciences, Osaka University, Osaka, Japan
| | - Ayaka Kasuga
- College of Comprehensive Psychology, Ritsumeikan University, Osaka, Japan
| | - Kiyoaki Matsumoto
- Department of Clinical Thanatology and Geriatric Behavioral Science, Graduate School of Human Sciences, Osaka University, Osaka, Japan
| | - Yukie Masui
- Research Team for Human Care, Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan
| | - Kazunori Ikebe
- Department of Prosthodontics, Gerodontology and Oral Rehabilitation, Graduate School of Dentistry, Osaka University, Osaka, Japan
| | - Yasumichi Arai
- Center for Supercentenarian Medical Research, Keio University School of Medicine, Tokyo, Japan
| | - Tatsuro Ishizaki
- Research Team for Human Care, Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan
| | - Kei Kamide
- Division of Health Science, Graduate School of Medicine, Osaka University, Osaka, Japan
- Department of Geriatric and General Medicine, Graduate School of Medicine, Osaka University, Osaka, Japan
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Huang J, Gui Y, Wu J, Xie Y. Causal effects of socioeconomic traits on frailty: a Mendelian randomization study. Front Med (Lausanne) 2024; 11:1344217. [PMID: 39071086 PMCID: PMC11282504 DOI: 10.3389/fmed.2024.1344217] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2023] [Accepted: 06/18/2024] [Indexed: 07/30/2024] Open
Abstract
Background The relationship between socioeconomic status and frailty has been extensively investigated in the literature, but it remains unclear whether a causal relationship exists. Our goal is to evaluate the causal relationship between six socioeconomic traits and the frailty index using summary-level data for single nucleotide polymorphisms from large genome-wide association studies with individuals of European ancestry. Methods A two-sample MR was performed. We applied the inverse variance weighted (IVW) method for the primary estimate, with sensitivity analyses conducted using alternative MR methods to evaluate the robustness of the findings. A subsequent multivariable MR was undertaken to adjust for the effects of body mass index (BMI). Finally, the MR Steiger directionality test was performed to confirm the causal direction. Results The IVW MR analysis revealed significant associations between various socioeconomic factors and the frailty index. Specifically, genetically predicated age completed full time education (β = -0.477, 95% confidence interval [CI]: -0.634 to -0.319) and average total household income before tax (β = -0.321, 95% CI: -0.410 to -0.232) were negatively associated with the frailty index. On the other hand, genetically predicted job involves heavy manual or physical work (β = 0.298, 95% CI: 0.113 to 0.484), job involves mainly walking or standing (β = 0.179, 95% CI: 0.013 to 0.345), Townsend deprivation index at recruitment (β = 0.535, 95% CI: 0.285 to 0.785), and social isolation/loneliness (β = 1.344, 95% CI: 0.834 to 1.853) were positively associated with the frailty index. Sensitivity analysis using other MR methods and multivariable MR analysis adjusting for BMI yielded stable results. The MR Steiger directionality test confirmed the causal direction. Conclusion Our findings highlight the importance of socioeconomic factors in affecting frailty risk. Future research should focus on unraveling the pathways through which these socioeconomic factors exert their effects on frailty, with the ultimate goal of developing targeted strategies to mitigate the risk of frailty.
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Affiliation(s)
- Jian Huang
- Clinical Laboratory Center, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Ying Gui
- Clinical Laboratory Center, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Jing Wu
- Clinical Laboratory Center, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Yubo Xie
- Department of Anesthesiology, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
- Guangxi Key Laboratory of Enhanced Recovery After Surgery for Gastrointestinal Cancer, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
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Liu J, Zhu Y, Tan JK, Ismail AH, Ibrahim R, Hassan NH. Factors Associated with Frailty in Older Adults in Community and Nursing Home Settings: A Systematic Review with a Meta-Analysis. J Clin Med 2024; 13:2382. [PMID: 38673654 PMCID: PMC11050860 DOI: 10.3390/jcm13082382] [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: 02/06/2024] [Revised: 03/06/2024] [Accepted: 03/07/2024] [Indexed: 04/28/2024] Open
Abstract
Background: Frailty is a globally recognized issue. However, there is a lack of evidence exploring factors associated with frailty among older residents in community and nursing-home settings. Methods: To explore the prevalence and factors associated with frailty among older adults in community and nursing-home settings, we conducted a systematic search following the PRISMA guidelines across Web of Science, MEDLINE, EMBASE, PubMed, and Cochrane databases up until January 2024, selecting 38 studies which encompassed 150,642 participants. Results: Our findings showed higher frailty prevalence in nursing homes compared to communities. Frailty was significantly associated with sociodemographic (living alone, poor self-reported health), physiological (poor sleep, low activity of daily living), behavioral (physical inactivity) and disease (chronic conditions, depression) factors in both community and nursing-home settings. Conclusions: There are numerous factors associated with frailty in older adults in nursing-home and community settings. These factors underscore the significance of promptly identifying high-risk individuals and devising appropriate interventions to mitigate frailty among them.
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Affiliation(s)
- Jia Liu
- Department of Nursing, Faculty of Medicine, Universiti Kebangsaan Malaysia, Kuala Lumpur 56000, Malaysia; (J.L.); (A.H.I.)
| | - Yuezhi Zhu
- Department of Biochemistry, Faculty of Medicine, Universiti Kebangsaan Malaysia, Kuala Lumpur 56000, Malaysia; (Y.Z.); (J.K.T.)
| | - Jen Kit Tan
- Department of Biochemistry, Faculty of Medicine, Universiti Kebangsaan Malaysia, Kuala Lumpur 56000, Malaysia; (Y.Z.); (J.K.T.)
| | - Azera Hasra Ismail
- Department of Nursing, Faculty of Medicine, Universiti Kebangsaan Malaysia, Kuala Lumpur 56000, Malaysia; (J.L.); (A.H.I.)
| | - Roszita Ibrahim
- Department of Public Health Medicine, Faculty of Medicine, Universiti Kebangsaan Malaysia, Kuala Lumpur 56000, Malaysia;
| | - Nor Haty Hassan
- Department of Nursing, Faculty of Medicine, Universiti Kebangsaan Malaysia, Kuala Lumpur 56000, Malaysia; (J.L.); (A.H.I.)
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Yang ZC, Lin H, Jiang GH, Chu YH, Gao JH, Tong ZJ, Wang ZH. Frailty Is a Risk Factor for Falls in the Older Adults: A Systematic Review and Meta-Analysis. J Nutr Health Aging 2023; 27:487-595. [PMID: 37357334 DOI: 10.1007/s12603-023-1935-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Accepted: 05/20/2023] [Indexed: 06/27/2023]
Abstract
OBJECTIVES There is little evidence in the literature about the relationship between frailty and falls in older adults. Our objective was to explore the relationship between frailty and falls, and to analyze the effect factors (e.g., gender, different frailty assessment tools, areas, level of national economic development, and year of publication) of the association between frailty and falls among older adults. DESIGN Systematic review and meta-analysis. SETTING AND PARTICIPANTS Cohort studies that evaluated the association between frailty and falls in the older adults were included. We excluded any literature outside of cohort studies. METHODS We did a systematic literature search of English databases PubMed, Scopus, Web of Science, EBSCOhost, and SciElO, as well as the Chinese databases CNKI, WANFANG, and VIP from 2001 until October 2022. The eligible studies were evaluated for potential bias using the Newcastle-Ottawa Scale (NOS). Study selection, data extraction and assessment of study quality were each conducted by two investigators. In Stata/MP 17.0 software, we calculated pooled estimates of the prevalence of falls by using a random-effects model, Subgroup analysis was conducted based on gender, different frailty assessment tools, areas, level of economic development, and year of publication. The results are presented using a forest plot. RESULTS Twenty-nine studies were included in this meta-analysis and a total of 1,093,270 participants aged 65 years and above were enrolled. Among the older adults, frailty was significantly associated with a higher risk for falls, compared with those without frailty (combined RR-relative risk = 1.48, 95% CI-confidence interval: 1.27-1.73, I2=98.9%). In addition, the results of subgroup analysis indicated that men had a higher risk for falls than women among the older adults with frailty (RR 1.94, 95% CI: 1.18-3.2 versus RR 1.44, 95% CI: 1.24-1.67). Subgroup analysis by different frailty assessment tools revealed an increased risk of falls in older adults with frailty when assessed using the Frailty Phenotype (combined RR 1.32, 95%CI: 1.17-1.48), FRAIL score (combined RR 1.82, 95%CI: 1.36-2.43), and Study of Osteoporotic Fractures index (combined RR 1.54, 95%CI: 1.10-2.16). Furthermore, subgroup analysis by areas and level of national economic development found the highest fall risk in Oceania (combined RR 2.35, 95%CI: 2.28-2.43) and the lowest in Europe (combined RR 1.20, 95%CI: 1.05-1.38). Developed countries exhibited a lower fall risk compared to developing countries (combined RR 1.44, 95%CI: 1.21-1.71). Analysis by year of publication showed the highest fall risk between 2013-2019 (combined RR 1.79, 95%CI: 1.45-2.20) and the lowest between 2001-2013 (combined RR 1.21, 95%CI: 1.13-1.29). CONCLUSION Frailty represents a significant risk factor for falls in older adults, with the degree of risk varying according to the different frailty assessment tools employed, and notably highest when using the FRAIL scale. Additionally, factors such as gender, areas, level of national economic development, and healthcare managers' understanding of frailty may all impact the correlation between frailty and falls. Thus, it's imperative to select suitable frailty diagnostic tools tailored to the specific characteristics of the population in question. This, in turn, facilitates the accurate identification of frailty in older adults and informs the development of appropriate preventive and therapeutic strategies to mitigate fall risk.
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Affiliation(s)
- Z-C Yang
- Zhi-hao Wang, No.107, Wenhua West Road, Jinan, Shandong, 250012, China, Tel 0531-82166761,
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To TL, Kuo CP, Yeh CJ, Liao WC, Lee MC. Transitions of self-management behaviors and frailty status among community-dwelling older adults: a national longitudinal population-based cohort study. BMC Geriatr 2022; 22:874. [DOI: 10.1186/s12877-022-03578-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Accepted: 10/17/2022] [Indexed: 11/19/2022] Open
Abstract
Abstract
Background
Frailty in older adults is a common geriatric syndrome that could be prevented; thus, coping strategies for the aging population are essential. Self-management behaviors may represent cost-effective strategies to prevent physical frailty in community-dwelling older adults. This study aimed to describe the changes in frailty status among community-dwelling older adults in Taiwan and investigate the association between transitions of self-management behaviors and frailty status over 4 years of follow-up (2007 to 2011).
Methods
Data were retrieved from the Taiwan Longitudinal Study of Aging (TLSA), years 2007 and 2011. In this prospective cohort study, 1283 community-dwelling older adults aged 65 years and older without cognitive impairment were recruited. Frailty was defined based on Fried’s frailty phenotype. Self-management behaviors (maintaining body weight, quitting smoking or no smoking, drinking less or no drinking, exercising, keeping diet control, and maintaining a regular lifestyle) were assessed using a questionnaire. Multinomial logistic regression analyses were used to investigate the associations between changes in self-management behaviors and in frailty status. The age group was further stratified to examine the moderation effect in the relationship between changes in self-management behaviors and in frailty status among older adults.
Results
The prevalence of frailty was 8.7% at baseline and 14.9% after 4 years of follow-up, with 196 (15.3%) deaths. Overall, 514 (40.1%) participants maintained their frailty status, 424 (33.0%) worsened, and only 149 (11.6%) improved. Being aged ≥75 years old, having chronic diseases, and an absence of self-management behaviors were associated with frailty at baseline and after follow-up. Among individuals aged 65–74, compared to those who maintained no self-management behaviors, those who decreased the exercise behaviors (yes-to-no) had a higher risk of worsening (RRR = 2.518), while increasing (no-to-yes) and maintaining (yes-to-yes) frequent physical exercise were associated with a lower risk of worsening (RRR = 0.466 and 0.572, respectively) than stable frailty; those who maintained body weight (yes-to-yes) were associated with a lower risk of worsening (RRR = 0.327) than stable frailty after controlling for individual covariates and chronic diseases. Among individuals over 75 years old, compared to no exerciser, older old who decreased their physical exercise had a higher risk of frailty worsening (RRR = 3.255), and increasing frequent physical exercise (no-to-yes) was associated with an improvement in frailty status (RRR = 3.684). Age was a moderator between the effects of maintaining body weight on frailty worsening. There were no associations between the behavioral transitions of smoking, drinking, diet control, or regular lifestyle on the frailty status changes.
Conclusions
Maintaining body weight and frequent physical exercise increased the ratio of frailty stability among individuals 65–74 years old. Increasing exercise behavior is the only factor to improve their frailty status among older adults aged 75 years and over. Older adults should be encouraged to perform adequate physical exercise and maintain a healthy body weight to maintain the frailty status in younger old aged 65–74 years, and especially perform more frequent exercise to improve frailty status in older old over 75 years.
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Aravantinou-Karlatou A, Kavasileiadou S, Panagiotakis S, Tziraki C, Almegewly W, Androulakis E, Kleisiaris C. The Impact of Socioeconomic Factors and Geriatric Syndromes on Frailty among Elderly People Receiving Home-Based Healthcare: A Cross-Sectional Study. Healthcare (Basel) 2022; 10:healthcare10102079. [PMID: 36292526 PMCID: PMC9602759 DOI: 10.3390/healthcare10102079] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2022] [Revised: 10/11/2022] [Accepted: 10/14/2022] [Indexed: 11/22/2022] Open
Abstract
Purpose: To evaluate frailty and its relationship with geriatric syndromes in the context of socioeconomic variables. Patients and Methods: In this cross-sectional study, elderly people aged 65 years old and over who received homecare in the reference region of Crete, Greece, were enrolled. Geriatric syndromes such as frailty, dementia, and depression were evaluated using the SHARE-Frailty Index (SHARE-Fi), the Montreal Cognitive Assessment (MoCA), and the Geriatric Depression Scale (GDS), respectively. Level of education, annual individual income, disability in Activities of Daily Living (ADL) and homebound status were also assessed as ‘socioeconomic factors.’ Results: The mean age of 301 participants was 78.45 (±7.87) years old. A proportion of 38.5% was identified as frail. A multiple logistic regression model revealed that elderly people with cognitive dysfunction were more likely to be frail (OR = 1.65; 95% CI: 0.55−4.98, p = 0.469) compared to those with normal cognition, but this association was not significant. Although elderly people with mild depression were significantly more likely to be frail (OR = 2.62; CI: 1.33−5.17, p = 0.005) compared to those with normal depression, the association for elderly people with severe depression (OR = 2.05, CI: 0.80−5.24, p = 0.134) was not significant. Additionally, comorbidity (OR = 1.06, CI: 0.49−2.27, p = 0.876) was not associated with frailty, suggesting that comorbidity is not a risk factor for frailty. In addition, patients with mild depression were significantly more likely to report frailty (OR = 2.62, CI:1.33−5.17, p = 0.005) compared to those with normal depression, whereas elders with an annual individual income (>EUR 4500) were less likely to be frail (OR = 0.45, CI: 0.25−0.83, p = 0.011) compared to those with <EUR 4500 per year. Conclusions: Our data analysis shows that higher annual individual income and mild depression were independently associated with frailty, suggesting that a lower poverty threshold and mild depression are risk factors for frailty.
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Affiliation(s)
| | - Savvato Kavasileiadou
- Department of Community Health Nursing, College of Nursing, Princess Nourah bint Abdulrahman University, Riyadh 11671, Saudi Arabia
| | - Simeon Panagiotakis
- Geriatric Clinic, University General Hospital of Heraklion, 71500 Heraklion, Greece
| | - Chariklia Tziraki
- Institute of Agri-Food and Life Sciences, University Research Centre, Hellenic Mediterranean University, 71410 Heraklion, Greece
| | - Wafa Almegewly
- Department of Community Health Nursing, College of Nursing, Princess Nourah bint Abdulrahman University, Riyadh 11671, Saudi Arabia
- Correspondence: ; Tel.: +966-0118240655
| | - Emmanouil Androulakis
- Mathematical Modeling and Applications Laboratory, Hellenic Naval Academy, 18538 Pireas, Greece
| | - Christos Kleisiaris
- Department of Nursing, School of Health Sciences, Hellenic Mediterranean University, 71410 Heraklion, Greece
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Jang AR, Sagong H, Yoon JY. Frailty trajectory among community-dwelling middle-aged and older adults in Korea: evidence from the Korean Longitudinal Study of Aging. BMC Geriatr 2022; 22:524. [PMID: 35752752 PMCID: PMC9233334 DOI: 10.1186/s12877-022-03229-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Accepted: 06/20/2022] [Indexed: 11/24/2022] Open
Abstract
Background There is no study on the frailty trajectory including both middle-aged and older people, and the understanding of the long-term frailty trajectory is insufficient. This study aimed to identify the frailty trajectory, subgroups of the frailty trajectory, and the predictors that differentiate these subgroups among community-dwelling middle-aged and older adults. Methods The participants were 9,775 individuals aged 45 years and older who participated in the Korean Longitudinal Study of Aging (2006–2018). Frailty was measured using a frailty instrument comprising three items: grip strength weakness, exhaustion, and social isolation. Latent growth curve modeling and latent class growth modeling were performed to identify the frailty trajectory and latent classes of the trajectory. Multinomial logistic regression was used to confirm the predictors that classified the latent classes. Results Over 12 years, the slope of the frailty trajectory among the participants showed a gradual increase. In addition, there was a difference in the latent class of frailty trajectories among middle-aged and older adults. The middle-aged participants were divided into two groups: maintaining robustness and changing from pre-frailty to robustness. The older adults were divided into three groups: maintaining robustness, maintaining pre-frailty, and changing from the frailty to pre-frailty group. Regular exercise, cognitive dysfunction, and social participation were significant predictors that differentiated each latent class in both middle-aged and older adults; additionally, current smoking and the number of chronic diseases were significant predictors in middle-aged people. Conclusions Various subgroups within the frailty trajectory existed among community-dwelling middle-aged and older adults. To reduce frailty, it is necessary to intervene with modifiable factors appropriate for each age group. Supplementary Information The online version contains supplementary material available at 10.1186/s12877-022-03229-7.
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Affiliation(s)
- Ah Ram Jang
- Center for Human-Caring Nurse Leaders for the Future By Brain Korea 21 (BK 21) four project, College of Nursing, Seoul National University, Seoul, Republic of Korea
| | - Hae Sagong
- School of Nursing, Auburn University, Auburn, AL, USA
| | - Ju Young Yoon
- Center for Human-Caring Nurse Leaders for the Future By Brain Korea 21 (BK 21) four project, College of Nursing, Seoul National University, Seoul, Republic of Korea. .,College of Nursing and Research Institute of Nursing Science, Seoul National University, Daehak-ro 103, Jongno-gu, 03080, Seoul, Republic of Korea.
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10
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Prevalence of Undernutrition, Frailty and Sarcopenia in Community-Dwelling People Aged 50 Years and Above: Systematic Review and Meta-Analysis. Nutrients 2022; 14:nu14081537. [PMID: 35458101 PMCID: PMC9032775 DOI: 10.3390/nu14081537] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Revised: 03/22/2022] [Accepted: 03/28/2022] [Indexed: 02/04/2023] Open
Abstract
The world’s population aged ≥65 is expected to rise from one in eleven in 2019 to one in six by 2050. People aged ≥65 are at a risk of undernutrition, frailty, and sarcopenia. The association between these conditions is investigated in a hospital setting. However, there is little understanding about the overlap and adverse health outcomes of these conditions in community-dwelling people. This systematic review aims to quantify the reported prevalence and incidence of undernutrition, frailty, and sarcopenia among older people aged ≥50 living in community dwellings. Searches were conducted using six databases (AMED, CENTRAL, EMBASE, Web of Science, MEDLINE, and CINAHL), and 37 studies were included. Meta-analyses produced weighted combined estimates of prevalence for each condition (Metaprop, Stata V16/MP). The combined undernutrition prevalence was 17% (95% CI 0.01, 0.46, studies n = 5; participants = 4214), frailty was 13% (95% CI 0.11, 0.17 studies n = 28; participants = 95,036), and sarcopenia was 14% (95% CI 0.09, 0.20, studies n = 9; participants = 7656). Four studies reported incidence rates, of which three included data on frailty. Nearly one in five of those aged ≥50 was considered either undernourished, frail, or sarcopenic, with a higher occurrence in women, which may reflect a longer life expectancy generally observed in females. Few studies measured incidence rates. Further work is required to understand population characteristics with these conditions and the overlap between them. PROSPERO registration No. CRD42019153806.
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Takamura M, Sone T, Kawamura T, Suzuki R, Moriyama N, Yasumura S. A Cross-Sectional Study on the Characteristics of Physical Activity in Pre-Frail Older Adults. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:12328. [PMID: 34886059 PMCID: PMC8657243 DOI: 10.3390/ijerph182312328] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Revised: 11/13/2021] [Accepted: 11/18/2021] [Indexed: 11/23/2022]
Abstract
This cross-sectional study aimed to characterize the physical activity (PA) of older adults with pre-frail status by examining sedentary behavior (SB) and PA using triaxial accelerometer data, with non-frail older adults as the control group. In this study, we divided the study participants into older adults who regularly participated in self-initiated citizen group exercise activities and those who did not. Data were collected between September and December 2017. We analyzed data from 256 older adults (women: 86.3%) aged ≥65 years. The interaction effect of participation status (participation and non-participation group) and frailty status (pre-frail and non-frail group) for moderate-to-vigorous PA (F = 9.178, p = 0.003) and daily mean number of steps (F = 9.351, p = 0.002) was significant. For the participation group, there was no difference between pre-frail older adults and non-frail older adults regarding length of SB and PA time, indicating that PA level was maintained in the participating pre-frail older adults. In contrast, moderate-to-vigorous PA and daily mean number of steps were low in pre-frail older adults who did not participate in the activities. The opportunity to participate in self-initiated group exercise activities and other PAs in the community may help pre-frail older adults maintain their PA.
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Affiliation(s)
- Motoaki Takamura
- Faculty of Health Sciences, Tohoku Fukushi University, Sendai 981-8522, Japan;
- Department of Public Health, School of Medicine, Fukushima Medical University, Fukushima 960-1247, Japan; (N.M.); (S.Y.)
| | - Toshimasa Sone
- Department of Occupational Therapy, School of Health Sciences, Fukushima Medical University, Fukushima 960-1247, Japan;
| | - Takayuki Kawamura
- Faculty of Health Sciences, Tohoku Fukushi University, Sendai 981-8522, Japan;
- YOBOU-FUKUSHI Health Promotion Center, Tohoku Fukushi University, Sendai 981-8522, Japan;
| | - Reiko Suzuki
- YOBOU-FUKUSHI Health Promotion Center, Tohoku Fukushi University, Sendai 981-8522, Japan;
| | - Nobuaki Moriyama
- Department of Public Health, School of Medicine, Fukushima Medical University, Fukushima 960-1247, Japan; (N.M.); (S.Y.)
| | - Seiji Yasumura
- Department of Public Health, School of Medicine, Fukushima Medical University, Fukushima 960-1247, Japan; (N.M.); (S.Y.)
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Effect of social participation on the development of physical frailty: Do type, frequency and diversity matter? Maturitas 2021; 151:48-54. [PMID: 34446279 DOI: 10.1016/j.maturitas.2021.06.015] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2021] [Revised: 05/13/2021] [Accepted: 06/28/2021] [Indexed: 02/08/2023]
Abstract
BACKGROUND Little is known about the longitudinal association between social participation and incident frailty in community-dwelling older adults in general and particularly in China. This study examined the impact of type, frequency and diversity of social participation on incident physical frailty at two-year follow-up. METHOD Longitudinal data from three waves of the China Health and Retirement Longitudinal Study were used. Older adults who were non-frail and aged 60 years or more at baseline and had information on physical frailty at follow-up were included. Frailty was measured using the modified frailty phenotype criteria. Social participation was measured as the type, frequency and diversity of engagement in social activities, including interacting with friends, playing group games, participating in sports clubs, community-related organizations, and voluntary activities. RESULTS A total of 6959 eligible respondents were included. Playing group games (OR=0.73, 95%CI=0.55-0.96) or participating in the activities of sports clubs (OR=0.54, 95%CI=0.34-0.85) once or more times per week led to a decreased risk of developing frailty in two years whereas participating in voluntary activities occasionally (OR=0.50, 95%CI=0.30-0.84) had a protective effect on the development of frailty. More diverse social participation was significantly associated with lower risk of incident frailty at two-year follow-up. CONCLUSIONS The association between social participation and onset of physical frailty differed by the specific type and frequency of the activities that older adults engaged in. Promoting social participation of various types and at an appropriate frequency may be a promising way to mitigate the burden associated with physical frailty among older adults.
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Bohn L, Zheng Y, McFall GP, Dixon RA. Portals to frailty? Data-driven analyses detect early frailty profiles. Alzheimers Res Ther 2021; 13:1. [PMID: 33397495 PMCID: PMC7780374 DOI: 10.1186/s13195-020-00736-w] [Citation(s) in RCA: 47] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2020] [Accepted: 11/29/2020] [Indexed: 03/21/2023]
Abstract
BACKGROUND Frailty is an aging condition that reflects multisystem decline and an increased risk for adverse outcomes, including differential cognitive decline and impairment. Two prominent approaches for measuring frailty are the frailty phenotype and the frailty index. We explored a complementary data-driven approach for frailty assessment that could detect early frailty profiles (or subtypes) in relatively healthy older adults. Specifically, we tested whether (1) modalities of early frailty profiles could be empirically determined, (2) the extracted profiles were differentially related to longitudinal cognitive decline, and (3) the profile and prediction patterns were robust for males and females. METHODS Participants (n = 649; M age = 70.61, range 53-95) were community-dwelling older adults from the Victoria Longitudinal Study who contributed data for baseline multi-morbidity assessment and longitudinal cognitive trajectory analyses. An exploratory factor analysis on 50 multi-morbidity items produced 7 separable health domains. The proportion of deficits in each domain was calculated and used as continuous indicators in a data-driven latent profile analysis (LPA). We subsequently examined how frailty profiles related to the level and rate of change in a latent neurocognitive speed variable. RESULTS LPA results distinguished three profiles: not-clinically-frail (NCF; characterized by limited impairment across indicators; 84%), mobility-type frailty (MTF; characterized by impaired mobility function; 9%), and respiratory-type frailty (RTF; characterized by impaired respiratory function; 7%). These profiles showed differential neurocognitive slowing, such that MTF was associated with the steepest decline, followed by RTF, and then NCF. The baseline frailty index scores were the highest for MTF and RTF and increased over time. All observations were robust across sex. CONCLUSIONS A data-driven approach to early frailty assessment detected differentiable profiles that may be characterized as morbidity-intensive portals into broader and chronic frailty. Early inventions targeting mobility or respiratory deficits may have positive downstream effects on frailty progression and cognitive decline.
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Affiliation(s)
- Linzy Bohn
- Department of Psychology, University of Alberta, P217 Biological Sciences Building, Edmonton, AB, T6G 2E9, Canada.
| | - Yao Zheng
- Department of Psychology, University of Alberta, P217 Biological Sciences Building, Edmonton, AB, T6G 2E9, Canada
| | - G Peggy McFall
- Department of Psychology, University of Alberta, P217 Biological Sciences Building, Edmonton, AB, T6G 2E9, Canada
- Neuroscience and Mental Health Institute, University of Alberta, 2-132 Li Ka Shing Center for Health Research Innovation, Edmonton, AB, T6G 2E1, Canada
| | - Roger A Dixon
- Department of Psychology, University of Alberta, P217 Biological Sciences Building, Edmonton, AB, T6G 2E9, Canada
- Neuroscience and Mental Health Institute, University of Alberta, 2-132 Li Ka Shing Center for Health Research Innovation, Edmonton, AB, T6G 2E1, Canada
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Frailty measurement, prevalence, incidence, and clinical implications in people with diabetes: a systematic review and study-level meta-analysis. LANCET HEALTHY LONGEVITY 2020; 1:e106-e116. [PMID: 33313578 PMCID: PMC7721684 DOI: 10.1016/s2666-7568(20)30014-3] [Citation(s) in RCA: 84] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Background Frailty, a state of increased vulnerability to adverse health outcomes, is important in diabetes management. We aimed to quantify the prevalence of frailty in people with diabetes, and to summarise the association between frailty and generic outcomes (eg, mortality) and diabetes-specific outcomes (eg, hypoglycaemia). Methods In this systematic review and study-level meta-analysis, we searched MEDLINE, Embase, and Web of Science for observational studies published between Jan 1, 2001 (the year of the original publication of the Fried frailty phenotype), to Nov 26, 2019. We included studies that assessed and quantified frailty in adults with diabetes, aged 18 years and older; and excluded conference abstracts, grey literature, and studies not published in English. Data from eligible studies were extracted using a piloted data extraction form. Our primary outcome was the prevalence of frailty in people with diabetes. Secondary outcomes were incidence of frailty and generic and diabetes-specific outcomes. Data were assessed by random-effects meta-analysis where possible and by narrative synthesis where populations were too heterogeneous to allow meta-analysis. This study is registered with PROSPERO, CRD42020163109. Findings Of the 3038 studies we identified, 118 studies using 20 different frailty measures were eligible for inclusion (n=1 375 373). The most commonly used measures of frailty were the frailty phenotype (69 [58%] of 118 studies), frailty (16 [14%]), and FRAIL scale (10 [8%]). Studies were heterogenous in setting (88 studies were community-based, 18 were outpatient-based, ten were inpatient-based, and two were based in residential care facilities), demographics, and inclusion criteria; therefore, we could not do a meta-analysis for the primary outcome and instead summarised prevalence data using a narrative synthesis. Median community frailty prevalence using frailty phenotype was 13% (IQR 9-21). Frailty was consistently associated with mortality in 13 (93%) of 14 studies assessing this outcome (pooled hazard ratio 1·51 [95% CI 1·30-1·76]), with hospital admission in seven (100%) of seven, and with disability in five (100%) of five studies. Frailty was associated with hypoglycaemia events in one study (<1%), microvascular and macrovascular complications in nine (82%) of 11 studies assessing complications, lower quality of life in three (100%) of three studies assessing quality of life, and cognitive impairment in three (100%) of three studies assessing cognitive impairment. 13 (11%) of 118 studies assessed glycated haemoglobin finding no consistent relationship with frailty. Interpretation The identification and assessment of frailty should become a routine aspect of diabetes care. The relationship between frailty and glycaemia, and the effect of frailty in specific groups (eg, middle-aged [aged <65 years] people and people in low-income and lower-middle-income countries) needs to be better understood to enable diabetes guidelines to be tailored to individuals with frailty. Funding Medical Research Council.
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15
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Kanai M, Noguchi M, Kubo H, Nozoe M, Kitano T, Izawa KP, Mase K, Shimada S. Pre-Stroke Frailty and Stroke Severity in Elderly Patients with Acute Stroke. J Stroke Cerebrovasc Dis 2020; 29:105346. [DOI: 10.1016/j.jstrokecerebrovasdis.2020.105346] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Revised: 08/29/2020] [Accepted: 09/20/2020] [Indexed: 02/07/2023] Open
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16
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Aznar-Tortonda V, Palazón-Bru A, Gil-Guillén VF. Using the FRAIL scale to compare pre-existing demographic lifestyle and medical risk factors between non-frail, pre-frail and frail older adults accessing primary health care: a cross-sectional study. PeerJ 2020; 8:e10380. [PMID: 33240674 PMCID: PMC7666811 DOI: 10.7717/peerj.10380] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Accepted: 10/26/2020] [Indexed: 11/29/2022] Open
Abstract
Background Few studies in the scientific literature have analyzed frailty status as an ordinal variable (non-frail, pre-frail and frail) rather than as a binary variable (frail vs non-frail). These studies have found that pre-frailty behaves differently from frailty (no ordinality in the variable). However, although the comparison between pre-frail and frail individuals is clinically relevant to understanding how to treat pre-frailty, this comparison was not performed in previous studies. Materials and Methods A cross-sectional observational study was designed with 621 older individuals aged ≥60 years in Spain in 2017–2018, determining factors associated with a higher frailty stage (non-frail, pre-frail and frail) and undertaking this comparison, in addition to measuring non-frailty. The factors assessed through a multinominal regression model were: age, sex, living alone, recent loss of the partner, income and total comorbidities. Results Of the total participants, 285 were non-frail (45.9%), 210 were pre-frail (33.8%) and 126 were frail (20.3%). Compared to non-frail individuals, pre-frail individuals were older, with more comorbidities and a lower income. Compared to non-frail individuals, frail individuals were more likely to be female, older, with more comorbidities and a lower income. Compared to pre-frail individuals, frail individuals were more likely to be female, older and with more comorbidities. Conclusion Comparison between the pre-frail and frail groups showed that frail persons were more likely to have a lower income, be female, older and have a higher number of comorbidities.
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Affiliation(s)
- Vanessa Aznar-Tortonda
- Department of Clinical Medicine, Miguel Hernández University, San Juan de Alicante, Spain
| | - Antonio Palazón-Bru
- Department of Clinical Medicine, Miguel Hernández University, San Juan de Alicante, Spain
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Ofori-Asenso R, Lee Chin K, Mazidi M, Zomer E, Ilomaki J, Ademi Z, Bell JS, Liew D. Natural Regression of Frailty Among Community-Dwelling Older Adults: A Systematic Review and Meta-Analysis. THE GERONTOLOGIST 2020; 60:e286-e298. [PMID: 31115434 DOI: 10.1093/geront/gnz064] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2019] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND AND OBJECTIVES Frailty is a dynamic process with potential transitions over time. However, there is limited understanding of the patterns of frailty improvement. We conducted a systematic review and meta-analysis to estimate the natural rate of frailty regression among community-dwelling older adults aged at least 60 years. RESEARCH DESIGN AND METHODS Systematic searches for studies reporting frailty improvement were performed in 5 databases (Medline, Embase, CINAHL plus, Web of Science, and PsycINFO) from inception until January 2019. RESULTS Twenty-five studies from 26 countries were included. Among a baseline population of more than 50,000 individuals, the pooled prevalence of pre-frailty and frailty was 50.5% (95% confidence interval [CI] 47.8-53.3) and 12.8% (95% CI 9.1-17.0), respectively. During a median follow-up of 3.0 (range 1-10.0) years, 23.3% of surviving pre-frail individuals regressed to a robust state and 35.2% of surviving frail individuals reversed to a pre-frail or robust state. The pooled remission rates among people with pre-frailty and frailty were 80.4 (95% CI 61.7-104.6) and 135.3 (95% CI 98.1-186.5) per 1,000 person-years, respectively. Frailty and pre-frailty improvement rates varied by sex, diagnostic criteria, study region, and follow-up duration. The remission rates were significantly reduced when accounting for progressions to death. The heterogeneity of included studies was high which reflected considerable differences in methodological approach. DISCUSSION AND IMPLICATIONS Although frailty is highly prevalent in older people, natural remission is possible and common. Improved understanding of the factors that confer increased likelihood of frailty regression may support the design of interventions to reduce the burden of frailty.
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Affiliation(s)
- Richard Ofori-Asenso
- Department of Epidemiology and Preventive Medicine, Monash University, Melbourne, Victoria, Australia
| | - Ken Lee Chin
- Department of Epidemiology and Preventive Medicine, Monash University, Melbourne, Victoria, Australia.,Department of Medical Education, Melbourne Medical School, The University of Melbourne, Victoria, Australia
| | - Mohsen Mazidi
- Key State Laboratory of Molecular Developmental Biology, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Chaoyang, China.,Institute of Genetics and Developmental Biology, International College, University of Chinese Academy of Science (IC-UCAS), Chaoyang, China
| | - Ella Zomer
- Department of Epidemiology and Preventive Medicine, Monash University, Melbourne, Victoria, Australia
| | - Jenni Ilomaki
- Department of Epidemiology and Preventive Medicine, Monash University, Melbourne, Victoria, Australia.,Centre for Medicine Use and Safety, Faculty of Pharmacy and Pharmaceutical Sciences, Monash University, Melbourne, Victoria, Australia
| | - Zanfina Ademi
- Department of Epidemiology and Preventive Medicine, Monash University, Melbourne, Victoria, Australia
| | - J Simon Bell
- Department of Epidemiology and Preventive Medicine, Monash University, Melbourne, Victoria, Australia.,Centre for Medicine Use and Safety, Faculty of Pharmacy and Pharmaceutical Sciences, Monash University, Melbourne, Victoria, Australia.,Centre for Research Excellence in Frailty and Healthy Ageing, University of Adelaide, South Australia, Australia
| | - Danny Liew
- Department of Epidemiology and Preventive Medicine, Monash University, Melbourne, Victoria, Australia
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Lee Y, Kim S, Kim M, Kim BS, Jeong E, Shim H, Won CW. A later menopausal age is associated with a lower prevalence of physical frailty in community-dwelling older adults: The Korean Frailty and Aging Cohort Study (KFACS). Arch Gerontol Geriatr 2020; 91:104243. [PMID: 32916429 DOI: 10.1016/j.archger.2020.104243] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2020] [Revised: 08/04/2020] [Accepted: 08/24/2020] [Indexed: 11/28/2022]
Abstract
OBJECTIVES The aim of this study was to determine whether age at menopause is associated with physical frailty. METHODS This was a cross-sectional study that included 1264 women (70-84 years) from the Korean and Aging Cohort Study (KFACS) who had records of their ages at menarche and their ages at menopause and had experienced a natural menopause. We used Fried criteria to assess physical frailty status. The ages at menopause and menarche were collected using self-reported questionnaires. RESULTS The prevalence of physical frailty decreased by 5.3 % with each year of increase in age at menopause after adjusting for age, marital status, years of education, diabetes mellitus, hypertension, polypharmacy, hospitalizations, falls, and hormone replacement therapy (p = 0.005). The prevalence of frailty significantly decreased by 4.1 % when the reproductive span increased by a year (p = 0.019). CONCLUSIONS This study found that a later menopausal age was associated with a lower risk of frailty using Fried criteria. In addition, it showed that a longer reproductive span was associated with a lower prevalence of frailty.
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Affiliation(s)
- Y Lee
- Department of Family Medicine, Kyung Hee University Medical Center, Seoul, Republic of Korea
| | - S Kim
- Department of Family Medicine, Kyung Hee University Medical Center, Seoul, Republic of Korea
| | - M Kim
- Department of Biomedical Science and Technology, College of Medicine, East-West Medical Research Institute, Kyung Hee University, Seoul, Republic of Korea
| | - B S Kim
- Department of Family Medicine, Kyung Hee University Medical Center, Seoul, Republic of Korea
| | - E Jeong
- Department of Family Medicine, Kyung Hee University Medical Center, Seoul, Republic of Korea
| | - H Shim
- Department of Family Medicine, Kyung Hee University Medical Center, Seoul, Republic of Korea
| | - C W Won
- Elderly Frailty Research Center, Department of Family Medicine, College of Medicine, Kyung Hee University, Seoul, Republic of Korea.
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Kojima G, Taniguchi Y, Kitamura A, Fujiwara Y. Is living alone a risk factor of frailty? A systematic review and meta-analysis. Ageing Res Rev 2020; 59:101048. [PMID: 32173535 DOI: 10.1016/j.arr.2020.101048] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2020] [Revised: 03/09/2020] [Accepted: 03/11/2020] [Indexed: 12/20/2022]
Abstract
OBJECTIVES To examine the association of living alone with frailty in cross-sectional and longitudinal studies by a systematic review and meta-analysis. DESIGN Systematic review and meta-analysis. SETTING AND PARTICIPANTS Community-dwelling older adults with a mean age of >60 years. METHODS A systematic search of the literature was conducted according to the PRISMA guidelines. We searched PubMed in February 2019 without language restriction for cohort studies that examined the associations between living alone and frailty. The reference lists of the relevant articles and the included articles were reviewed for additional studies. We calculated pooled odds ratios (OR) of the presence and incidence of frailty for living alone from cross-sectional and longitudinal studies. RESULTS Among the 203 studies identified, data of 44 cross-sectional studies (46 cohorts) and 6 longitudinal studies were included in this review. The meta-analysis showed that older adults living alone were more likely to be frail than those who were not (46 cohorts: pooled OR = 1.28, 95 % confidence interval (CI) = 1.13-1.45, p < 0.001). Gender-stratified analysis showed that only men living alone were at an increased risk of being frail (20 cohorts: pooled OR = 1.71, 95 %CI = 1.49-1.96), while women were not (22 cohorts: pooled OR = 1.00, 95 %CI = 0.83-1.20). No significant association was observed in a meta-analysis of longitudinal studies (6 cohorts: pooled OR = 0.88, 95 %CI = 0.76-1.03). CONCLUSIONS/IMPLICATIONS The present systematic review and meta-analysis showed a significant cross-sectional association between living alone and frailty, especially in men. However, living alone did not predict incident frailty. More studies controlling for important confounders, such as social networks, are needed to further enhance our understanding of how living alone is associated with frailty among older adults.
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Affiliation(s)
- Gotaro Kojima
- Department of Frailty Research, Videbimus Clinic Research Center, Tokyo, Japan; Research Team for Social Participation and Community Health, Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan.
| | - Yu Taniguchi
- Research Team for Social Participation and Community Health, Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan; Center for Health and Environmental Risk Research, National Institute for Environmental Studies, Ibaraki, Japan.
| | - Akihiko Kitamura
- Research Team for Social Participation and Community Health, Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan.
| | - Yoshinori Fujiwara
- Research Team for Social Participation and Community Health, Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan.
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Healthy lifestyle behaviors and transitions in frailty status among independent community-dwelling older adults: The Yabu cohort study. Maturitas 2020; 136:54-59. [PMID: 32386667 DOI: 10.1016/j.maturitas.2020.04.007] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2020] [Revised: 03/13/2020] [Accepted: 04/05/2020] [Indexed: 12/19/2022]
Abstract
Frailty is a dynamic condition that can worsen or improve. Although previous studies have identified demographic and intrinsic factors associated with transitions in frailty status, less evidence is available regarding associations with daily activities. This longitudinal study examined associations of behavioral factors with incident frailty, adverse events (e.g. residence in a nursing home, hospitalization, and death), and frailty improvement among older adults. The analysis included data from 3,769 independent older adults aged 65 years or more (mean age, 76.3 ± 7.2years; proportion of frail participants, 30.1%) from the Yabu cohort study (baseline, 2012; follow-up, 2017). The Kaigo-Yobo Checklist, a standardized questionnaire, was used to assess frailty status (non-frail or frail) and seven behavioral factors: farming, shopping, exercise, eating habit, intellectual activity, social participation, and smoking. At the 5-year follow-up survey, the proportions of participants transitioning from non-frail to frail, from non-frail to incident adverse events, from frail to non-frail, and from frail to incident adverse events were 16.8%, 13.9%, 15.2%, and 50.1%, respectively. In the analysis of non-frail participants, farming, exercise, intellectual activity, and social participation were associated with lower odds of becoming frail and experiencing adverse events. In the analysis for frail participants, farming, intellectual activity, and social participation were significantly associated with improvement in frailty status, and farming, shopping, and social participation were associated with lower odds of incident adverse events. These findings suggest that farming, healthy daily activities, and social participation help improve and prevent frailty/adverse events.
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Cheong CY, Nyunt MSZ, Gao Q, Gwee X, Choo RWM, Yap KB, Wee SL, Ng TP. Risk Factors of Progression to Frailty: Findings from the Singapore Longitudinal Ageing Study. J Nutr Health Aging 2020; 24:98-106. [PMID: 31886815 DOI: 10.1007/s12603-019-1277-8] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
OBJECTIVES To investigate risk factors of incident physical frailty. DESIGN A population-based observational longitudinal study. SETTING Community-dwelling elderly with age 55 years and above recruited from 2009 through 2011 in the second wave Singapore Longitudinal Ageing Study-2 (SLAS-2) were followed up 3-5 years later. PARTICIPANTS A total of 1297 participants, mean age of 65.6 ±0.19, who were free of physical frailty. MEASUREMENTS Incident frailty defined by three or more criteria of the physical phenotype used in the Cardiovascular Health Study was determined at follow-up. Potential risk factors assessed at baseline included demographic, socioeconomic, medical, psychological factors, and biochemical markers. RESULTS A total of 204 (15.7%) participants, including 81 (10.87%) of the robust and 123 (22.28%) of the prefrail transited to frailty at follow-up. Age, no education, MMSE score, diabetes, prediabetes and diabetes, arthritis, ≥5 medications, fair and poor self-rated health, moderate to high nutritional risk (NSI ≥3), Hb (g/dL), CRP (mg/L), low B12, low folate, albumin (g/L), low total cholesterol, adjusted for sex, age and education, were significantly associated (p<0.05) with incident frailty. In stepwise selection models, age (year) (OR=1.07, 95%CI=1.03-1.10, p<0.001), albumin (g/L) (OR=0.85, 95%CI=0.77-0.94, p=0.002), MMSE score (OR=0.88, 95%CI=0.78-0.98, p=0.02), low folate (OR=3.72, 95%CI=1.17-11.86, p=0.03, and previous hospitalization (OR=2.26, 95%CI=1.01-5.04,p=0.05) were significantly associated with incident frailty. CONCLUSIONS The study revealed multiple modifiable risk factors, especially related to poor nutrition, for which preventive measures and early management could potentially halt or delay the development of frailty.
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Affiliation(s)
- C Y Cheong
- Tze-Pin Ng, Gerontology Research Programme, National University of Singapore, Department of Psychological Medicine, NUHS Tower Block, 9th Floor, 1E Kent Ridge Road, Singapore 119228 Fax: 65-67772191, Tel: 65-67723478,
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Umegaki H, Makino T, Uemura K, Shimada H, Cheng XW, Dodge H, Kuzuya M. Falls in community-dwelling prefrail older adults. HEALTH & SOCIAL CARE IN THE COMMUNITY 2020; 28:110-115. [PMID: 31476096 PMCID: PMC8594949 DOI: 10.1111/hsc.12845] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/28/2019] [Revised: 07/31/2019] [Accepted: 08/16/2019] [Indexed: 06/10/2023]
Abstract
Frailty has been established as a risk factor for falls, and prefrailty also seems a risk; however, few studies have focused on the association between falls and each of the five components of frailty proposed by Fried. In the present study, we sought to elucidate the association between prefrailty and falls, and moreover, the association of frailty component with falls. Participants were community-dwelling older people who had cognitive complaints but not dementia (N = 447, male 54.6%). Prefrailty was defined as exhibiting one or two of the five Fried criteria. Frail individuals were excluded. Background characteristics were compared between the prefrail and robust groups, and multiple regression analysis was performed to investigate the associations between fall history within the past year and factors that were significantly different between the groups. We also performed logistic regression analysis with adjustment for age, education and gender to assess associations with frailty components. We found that prefrailty was associated with fall history. Depressed mood was also significantly associated with fall history. Among the five frailty criteria, exhaustion was significantly associated with falls. Prefrailty, especially the criteria of exhaustion, and depressed mood were associated with fall history.
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Affiliation(s)
- Hiroyuki Umegaki
- Department of Community Healthcare & Geriatrics, Nagoya University Graduate School of Medicine, Aichi, Japan
| | - Taeko Makino
- Institute of Innovation for Future Society, Nagoya University, Aichi, Japan
| | - Kazuki Uemura
- Liberal Arts and Sciences, Faculty of Engineering, Toyama Prefectural University, Toyama, Japan
| | - Hiroyuki Shimada
- Department of Preventive Gerontology, Center for Gerontology and Social Science, National Center for Geriatrics and Gerontology, Obu, Japan
| | - Xian Wu Cheng
- Institute of Innovation for Future Society, Nagoya University, Aichi, Japan
| | - Hiroko Dodge
- Department of Neurology, Michigan Alzheimer’s Disease Center, University of Michigan, Ann Arbor, MI, USA
| | - Masafumi Kuzuya
- Department of Community Healthcare & Geriatrics, Nagoya University Graduate School of Medicine, Aichi, Japan
- Institute of Innovation for Future Society, Nagoya University, Aichi, Japan
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Asaoka D, Takeda T, Inami Y, Abe D, Shimada Y, Matsumoto K, Ueyama H, Matsumoto K, Komori H, Akazawa Y, Osada T, Hojo M, Nagahara A. The Association between Frailty and Abdominal Symptoms: A Hospital-based Cross-sectional Study. Intern Med 2020; 59:1677-1685. [PMID: 32669514 PMCID: PMC7434549 DOI: 10.2169/internalmedicine.4399-19] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Objective The association between frailty and abdominal symptoms has not been evaluated. Methods We conducted a hospital-based, retrospective cross-sectional study of consecutive outpatients ≥65 years old at the Department of Gastroenterology, Juntendo Tokyo Koto Geriatric Medical Center from 2017 to 2019. Patients were included in the study if all of the following information was available from their medical records: patient's profile, the evaluation of osteoporosis, sarcopenia, frailty, nutritional status, findings of upper gastrointestinal endoscopy, and questionnaire results for abdominal symptoms [Frequency Scale for the Symptoms of Gastroesophageal Reflux Disease (FSSG) and Constipation Scoring System (CSS)]. We divided the subjects into frailty and non-frailty groups and investigated the risk factors for frailty. Results Of the 313 eligible study subjects [134 men (42.8%) and 179 women (57.2%); mean age, 75.7±6.0 years; mean body mass index, 22.8±3.6 kg/m2], frailty was noted in 71 cases (22.7%). In a univariate analysis, an older age (p<0.001), female gender (p=0.010), successful eradication of Helicobacter pylori (p=0.049), proton pump inhibitor (PPI) use (p<0.001), laxative/prokinetics use (p=0.008), sarcopenia (p<0.001), osteoporosis (p<0.001), hypozincemia (p=0.002), hypoalbuminemia (p<0.001), low lymphocytes (p=0.004), a high CONUT score (p<0.001), a high FSSG score (p=0.001), and a high CSS score (p<0.001) were significantly associated with frailty. A multivariate logistic regression analysis showed that an older age [odds ratio (OR) 1.16; 95% confidence interval (CI) 1.08-1.24, p<0.001], PPI use (OR 2.42; 95% CI 1.18-4.98, p=0.016), sarcopenia (OR 7.35; 95% CI 3.30-16.40, p<0.001), hypozincemia (OR 0.96; 95% CI 0.92-0.99, p=0.027), a high FSSG score (OR 1.08; 95% CI 1.01-1.16, p=0.021), and a high CSS score (OR 1.13; 95% CI 1.03-1.23, p=0.007) were significantly associated with frailty. Conclusion Advanced age, PPI user, sarcopenia, hypozincemia, a high FSSG score, and high CSS score are associated with frailty.
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Affiliation(s)
- Daisuke Asaoka
- Department of Gastroenterology, Juntendo Tokyo Koto Geriatric Medical Center, Japan
| | - Tsutomu Takeda
- Department of Gastroenterology, Juntendo Tokyo Koto Geriatric Medical Center, Japan
| | - Yoshihiro Inami
- Department of Gastroenterology, Juntendo Tokyo Koto Geriatric Medical Center, Japan
| | - Daiki Abe
- Department of Gastroenterology, Juntendo Tokyo Koto Geriatric Medical Center, Japan
| | - Yuji Shimada
- Department of Gastroenterology, University of Juntendo, School of Medicine, Japan
| | - Kenshi Matsumoto
- Department of Gastroenterology, University of Juntendo, School of Medicine, Japan
| | - Hiroya Ueyama
- Department of Gastroenterology, University of Juntendo, School of Medicine, Japan
| | - Kohei Matsumoto
- Department of Gastroenterology, University of Juntendo, School of Medicine, Japan
| | - Hiroyuki Komori
- Department of Gastroenterology, University of Juntendo, School of Medicine, Japan
| | - Yoichi Akazawa
- Department of Gastroenterology, University of Juntendo, School of Medicine, Japan
| | - Taro Osada
- Department of Gastroenterology, University of Juntendo, School of Medicine, Japan
| | - Mariko Hojo
- Department of Gastroenterology, University of Juntendo, School of Medicine, Japan
| | - Akihito Nagahara
- Department of Gastroenterology, University of Juntendo, School of Medicine, Japan
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Abe T, Kitamura A, Seino S, Yokoyama Y, Amano H, Taniguchi Y, Nishi M, Narita M, Ikeuchi T, Tomine Y, Fujiwara Y, Shinkai S. Differences in the Prevalence of and Factors Associated with Frailty in Five Japanese Residential Areas. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2019; 16:ijerph16203974. [PMID: 31635223 PMCID: PMC6843904 DOI: 10.3390/ijerph16203974] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 09/11/2019] [Revised: 10/14/2019] [Accepted: 10/15/2019] [Indexed: 12/29/2022]
Abstract
This study aimed to examine area differences in the prevalence of and factors associated with frailty. This cross-sectional study included metropolitan (eastern and western areas), suburban (districts A and B), and rural areas of Japan (n = 9182, woman 50.9%). Frailty was defined by using a standardized questionnaire comprising three subcategories (fall, nutritional status, and social activities). The prevalence of frailty in the five areas was 14.2% to 30.6% for men and 11.5% to 21.4% for women. The areas with a high frailty prevalence had a significantly lower nutritional status or social activity, or both. Compared to the western metropolitan area, among men, the multivariable-adjusted prevalence ratio (APR) of frailty was significantly higher in the eastern metropolitan area and lower in suburban district A, and among women, the eastern metropolitan and rural areas had significantly higher APRs. Area-stratified multiple Poisson regression analysis showed that age, bone and joint disease, and a subjective economic status were associated with frailty in most areas and that some factors were area-specific, i.e., living alone (for men living in metropolitan areas) and underweight (for women living in suburban areas). The frailty prevalence differed by area, even after multivariable adjustment. Area-specific characteristics and factors associated with frailty may result in area differences.
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Affiliation(s)
- Takumi Abe
- Research Team for Social Participation and Community Health, Tokyo Metropolitan Institute of Gerontology, Tokyo 173-0015, Japan.
- Japan Society for the Promotion of Science, Tokyo 102-0083, Japan.
| | - Akihiko Kitamura
- Research Team for Social Participation and Community Health, Tokyo Metropolitan Institute of Gerontology, Tokyo 173-0015, Japan.
| | - Satoshi Seino
- Research Team for Social Participation and Community Health, Tokyo Metropolitan Institute of Gerontology, Tokyo 173-0015, Japan.
| | - Yuri Yokoyama
- Research Team for Social Participation and Community Health, Tokyo Metropolitan Institute of Gerontology, Tokyo 173-0015, Japan.
| | - Hidenori Amano
- Research Team for Social Participation and Community Health, Tokyo Metropolitan Institute of Gerontology, Tokyo 173-0015, Japan.
| | - Yu Taniguchi
- Center for Health and Environmental Risk Research, National Institute for Environmental Studies, Tsukuba 305-0053, Japan.
| | - Mariko Nishi
- Research Team for Social Participation and Community Health, Tokyo Metropolitan Institute of Gerontology, Tokyo 173-0015, Japan.
| | - Miki Narita
- Research Team for Social Participation and Community Health, Tokyo Metropolitan Institute of Gerontology, Tokyo 173-0015, Japan.
| | - Tomoko Ikeuchi
- Research Team for Social Participation and Community Health, Tokyo Metropolitan Institute of Gerontology, Tokyo 173-0015, Japan.
| | - Yui Tomine
- Research Team for Social Participation and Community Health, Tokyo Metropolitan Institute of Gerontology, Tokyo 173-0015, Japan.
| | - Yoshinori Fujiwara
- Research Team for Social Participation and Community Health, Tokyo Metropolitan Institute of Gerontology, Tokyo 173-0015, Japan.
| | - Shoji Shinkai
- Tokyo Metropolitan Institute of Gerontology, Tokyo 173-0015, Japan.
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Ofori-Asenso R, Chin KL, Mazidi M, Zomer E, Ilomaki J, Zullo AR, Gasevic D, Ademi Z, Korhonen MJ, LoGiudice D, Bell JS, Liew D. Global Incidence of Frailty and Prefrailty Among Community-Dwelling Older Adults: A Systematic Review and Meta-analysis. JAMA Netw Open 2019; 2:e198398. [PMID: 31373653 PMCID: PMC6681553 DOI: 10.1001/jamanetworkopen.2019.8398] [Citation(s) in RCA: 291] [Impact Index Per Article: 58.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
IMPORTANCE Frailty is a common geriatric syndrome of significant public health importance, yet there is limited understanding of the risk of frailty development at a population level. OBJECTIVE To estimate the global incidence of frailty and prefrailty among community-dwelling adults 60 years or older. DATA SOURCES MEDLINE, Embase, PsycINFO, Web of Science, CINAHL Plus, and AMED (Allied and Complementary Medicine Database) were searched from inception to January 2019 without language restrictions using combinations of the keywords frailty, older adults, and incidence. The reference lists of eligible studies were hand searched. STUDY SELECTION In the systematic review, 2 authors undertook the search, article screening, and study selection. Cohort studies that reported or had sufficient data to compute incidence of frailty or prefrailty among community-dwelling adults 60 years or older at baseline were eligible. DATA EXTRACTION AND SYNTHESIS The methodological quality of included studies was assessed using The Joanna Briggs Institute's Critical Appraisal Checklist for Prevalence and Incidence Studies. Meta-analysis was conducted using a random-effects (DerSimonian and Laird) model. MAIN OUTCOMES AND MEASURES Incidence of frailty (defined as new cases of frailty among robust or prefrail individuals) and incidence of prefrailty (defined as new cases of prefrailty among robust individuals), both over a specified duration. RESULTS Of 15 176 retrieved references, 46 observational studies involving 120 805 nonfrail (robust or prefrail) participants from 28 countries were included in this systematic review. Among the nonfrail individuals who survived a median follow-up of 3.0 (range, 1.0-11.7) years, 13.6% (13 678 of 100 313) became frail, with the pooled incidence rate being 43.4 (95% CI, 37.3-50.4; I2 = 98.5%) cases per 1000 person-years. The incidence of frailty was significantly higher in prefrail individuals than robust individuals (pooled incidence rates, 62.7 [95% CI, 49.2-79.8; I2 = 97.8%] vs 12.0 [95% CI, 8.2-17.5; I2 = 94.9%] cases per 1000 person-years, respectively; P for difference < .001). Among robust individuals in 21 studies who survived a median follow-up of 2.5 (range, 1.0-10.0) years, 30.9% (9974 of 32 268) became prefrail, with the pooled incidence rate being 150.6 (95% CI, 123.3-184.1; I2 = 98.9%) cases per 1000 person-years. The frailty and prefrailty incidence rates were significantly higher in women than men (frailty: 44.8 [95% CI, 36.7-61.3; I2 = 97.9%] vs 24.3 [95% CI, 19.6-30.1; I2 = 8.94%] cases per 1000 person-years; prefrailty: 173.2 [95% CI, 87.9-341.2; I2 = 99.1%] vs 129.0 [95% CI, 73.8-225.0; I2 = 98.5%] cases per 1000 person-years). The incidence rates varied by diagnostic criteria and country income level. The frailty and prefrailty incidence rates were significantly reduced when accounting for the risk of death. CONCLUSIONS AND RELEVANCE Results of this study suggest that community-dwelling older adults are prone to developing frailty. Increased awareness of the factors that confer high risk of frailty in this population subgroup is vital to inform the design of interventions to prevent frailty and to minimize its consequences.
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Affiliation(s)
- Richard Ofori-Asenso
- School of Public Health and Preventive Medicine, Monash University, Melbourne, Victoria, Australia
| | - Ken L. Chin
- School of Public Health and Preventive Medicine, Monash University, Melbourne, Victoria, Australia
- Melbourne Medical School, University of Melbourne, Parkville, Victoria, Australia
| | - Mohsen Mazidi
- Division of Food and Nutrition Science, Department of Biology and Biological Engineering, Chalmers University of Technology, Gothenburg, Sweden
| | - Ella Zomer
- School of Public Health and Preventive Medicine, Monash University, Melbourne, Victoria, Australia
| | - Jenni Ilomaki
- School of Public Health and Preventive Medicine, Monash University, Melbourne, Victoria, Australia
- Centre for Medicine Use and Safety, Faculty of Pharmacy and Pharmaceutical Sciences, Monash University, Melbourne, Victoria, Australia
| | - Andrew R. Zullo
- Department of Health Services, Policy, and Practice, Brown University School of Public Health, Providence, Rhode Island
- Center of Innovation in Long Term Services and Supports, Providence Veterans Affairs Medical Center, Providence, Rhode Island
| | - Danijela Gasevic
- School of Public Health and Preventive Medicine, Monash University, Melbourne, Victoria, Australia
- Usher Institute of Population Health Sciences and Informatics, University of Edinburgh, Edinburgh, United Kingdom
| | - Zanfina Ademi
- School of Public Health and Preventive Medicine, Monash University, Melbourne, Victoria, Australia
| | - Maarit J. Korhonen
- Centre for Medicine Use and Safety, Faculty of Pharmacy and Pharmaceutical Sciences, Monash University, Melbourne, Victoria, Australia
- Institute of Biomedicine, University of Turku, Turku, Finland
| | - Dina LoGiudice
- Department of Aged Care, Royal Melbourne Hospital and University of Melbourne, Melbourne, Victoria, Australia
| | - J. Simon Bell
- School of Public Health and Preventive Medicine, Monash University, Melbourne, Victoria, Australia
- Centre for Medicine Use and Safety, Faculty of Pharmacy and Pharmaceutical Sciences, Monash University, Melbourne, Victoria, Australia
- Centre for Research Excellence in Frailty and Healthy Ageing, University of Adelaide, Adelaide, South Australia, Australia
| | - Danny Liew
- School of Public Health and Preventive Medicine, Monash University, Melbourne, Victoria, Australia
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