Delaying and Reversing Frailty: a Systematic Review of Primary Care Interventions

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Delaying and Reversing Frailty: a Systematic Review of Primary Care Interventions Research John Travers, Roman Romero-Ortuno, Jade Bailey and Marie-Therese Cooney Delaying and reversing frailty: a systematic review of primary care interventions INTRODUCTION Abstract Frailty has been described as the most Frailty has long been in the lexicon of problematic expression of population ageing Background everyday language. ‘How easily the wind in the context of this considerable growth.3 It Recommendations for routine frailty screening overturns a frail tree’, Buddha reflected has forced fundamental changes in national in general practice are increasing as frailty 1 prevalence grows. In England, frailty identification some 2500 years ago. From such historic health policies. For example, since 2017 became a contractual requirement in 2017. prevalence has come an inherited instinct the new General Medical Services (GMS) However, there is little guidance on the most for recognising frailty. However, it is only contract in England mandates that all effective and practical interventions once frailty primary care practices use an appropriate has been identified. in recent years that frailty has come into focus for more rigorous medical definition tool to identify patients aged ≥65 years who Aim in a shift of emphasis from single-system are living with moderate or severe frailty. To assess the comparative effectiveness and ease of implementation of frailty interventions in conditions to unifying constructs for holistic For patients living with severe frailty, the primary care. patient care. practice must undertake a clinical review, Frailty can be described as a state of provide an annual medication review, Design and setting A systematic review of frailty interventions in physiological vulnerability with diminished discuss whether the patient has fallen in primary care. capacity to manage external stressors.2,3 the last 12 months, activate an enriched Summary Care Record at the patient’s Method It increases the risks of illness, falls, 2,3 Scientific databases were searched from dependency, disability, and death. request (if not already in place), and provide inception to May 2017 for randomised controlled Frailty is becoming a more common any other clinically relevant interventions.7 trials or cohort studies with control groups on challenge as populations age and life A variety of tools has been proposed primary care frailty interventions. Screening 8,9 methods, interventions, and outcomes were expectancy lengthens. The prevalence of for frailty screening in primary care. A analysed in included studies. Effectiveness was frailty is estimated at 10.7% in adults aged commonly used method is Fried’s frailty scored in terms of change of frailty status or ≥65 years and increases to some 50% in phenotype10 (three or more criteria from: frailty indicators and ease of implementation in those 80 years of age.4 The United Nations exhaustion, unexplained weight loss, terms of human resources, marginal costs, and > time requirements. estimates that the world population of slowness, weakness, and low physical individuals aged >60 years will more than activity, with one or two criteria present Results double from 962 million in 2017 to 2.1 billion defining pre-frailty). The cumulative deficit A total of 925 studies satisfied search criteria and 11 46 were included. There were 15690 participants in 2050, whereas the population of individuals model proposed by Rockwood and Mitnitski (median study size was 160 participants). Studies aged >80 years will triple from 137 million to provides a frailty index based on the presence reflected a broad heterogeneity. There were 17 425 million in the same period.5 In the UK, of deficits as a proportion of total measured. different frailty screening methods. Of the frailty interventions, 23 involved physical activity and the number of individuals aged >65 years There are several other indices, checklists, other interventions involved health education, is estimated to grow from 10.4 million to and indicators.12–14 A general model of frailty nutrition supplementation, home visits, hormone 12.4 million by 2025 and life expectancy at that captures commonly involved domains is supplementation, and counselling. A significant 65 years is set to increase by 1.7 years.6 shown in Figure 1. improvement of frailty status was demonstrated in 71% (n = 10) of studies and of frailty indicators in 69% (n=22) of studies where measured. Interventions with both muscle strength training J Travers, MB BCh BAO, BE, MBA, senior house Address for correspondence and protein supplementation were consistently officer, Department of Geriatric Medicine, St John Travers, Department of Geriatric Medicine, placed highest for effectiveness and ease of Vincent’s University Hospital and Trinity College St Vincent’s University Hospital, Dublin 4, Ireland. implementation. Dublin HSE Specialist Training Programme in General Practice, Dublin. R Romero- Ortuno, Email: [email protected] Conclusion Lic Med, MSc, PhD, MRCP(UK), associate Submitted: 30 May 2018; Editor’s response: A combination of muscle strength training and professor, consultant physician, Global Brain final acceptance: protein supplementation was the most effective Health Institute (GBHI), Trinity College Dublin, 29 June 2018; 18 July 2018. intervention to delay or reverse frailty and the Mercer’s Institute for Successful Aging, St James’s ©British Journal of General Practice easiest to implement in primary care. A map of Hospital, Dublin. J Bailey, research assistant, This is the full-length article (published online interventions was created that can be used to School of Medicine, University College Dublin, 4 Dec 2018) of an abridged version published in inform choices for managing frailty. Dublin. MT Cooney, PhD, MRCPI, consultant physician, Department of Geriatric Medicine, St print. Cite this version as: Br J Gen Pract 2018; Keywords Vincent’s University Hospital, Dublin. DOI: https://doi.org/10.3399/bjgp18X700241 feasibility; frailty; primary care; systematic review. e61 British Journal of General Practice, January 2019 interventions. The aim of the present study How this fits in was to map their comparative effectiveness Frailty screening is increasingly and ease of implementation, and help recommended in primary care and in some inform practitioners and patients on the cases contractually required, but there most appropriate choices. is a lack of guidance on interventions, once frailty has been identified. This study METHOD outlines both the relative effectiveness A search of PubMed, CINAHL, the Cochrane and ease of implementation of frailty Library Register of Controlled Trials, and interventions in primary care, and these PEDro for English language articles using findings may help the choice of appropriate primary care interventions. the terms ‘primary care’ or ‘community’; ‘screening’ or ‘intervention’ or ‘integrated- care’; and ‘frailty’ or ‘pre-frail’ was conducted. The search was conducted from A common element in frailty tools is inception to May 2017 by one researcher. A a consideration of biological age rather second researcher repeated the search in than chronological age alone. This fits the May 2018 to confirm the results and add biopsychosocial model of primary care, and any further findings. Any clarifications were its use may help identify those who are resolved by two other researchers. at higher risk of adverse outcomes and Studies were selected following an promote equity of access to services.9 The assessment of titles and abstracts. Studies ability of the frailty model to capture risk chosen for inclusion were randomised and biological age in this way has pushed controlled trials (RCTs) or cohort studies the boundaries of care for a population’s with control groups, which assessed most vulnerable patients. This advance interventions aimed at preventing or and the increase in prevalence have treating frailty in a primary care setting, driven international consensus guidance and that quantified outcomes such as to recommend identification of frailty in the measurement of a physical frailty routine clinical encounters.15,16 phenotype, a frailty index, or a similar Identification of frailty was made a established measurement. There was contractual requirement for GPs in England no restriction on age of participants in from April 2017. However, there appears the search criteria. Studies that involved to be a lack of clear guidance on the most secondary or tertiary interventions were effective and practical interventions for excluded; letters, case studies, abstract- frailty once identified. There also appears only publications, and editorials were also to be no consistent approach to how excluded. frailty is dealt with in general practice at The researchers recorded the type of present. It seemed, therefore, both timely study (for example, RCT or cohort), frailty and necessary to conduct a systematic Figure 1. Domains commonly included in frailty screening method (for example, Fried), definitions. review of the evidence on primary care study size, length of study, intervention, outcome measure, and outcome for each study included. Capacity An analytical tool for comparing a set of heterogeneous interventions that was too diverse for meta-analysis was devised by the authors and a scoring system to map Robustness relative effectiveness and relative ease of Energy Power (the capacity to withstand (the capacity to do work: (the rate of doing work: implementation (summarised in Figure 2) stressors: favourable bone grip strength) walking
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