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Effects of multi-domain intervention on intrinsic capacity in older adults: A systematic review of randomized controlled trials (RCTs).
Liao, X, Shen, J, Li, M
Experimental gerontology. 2023;174:112112
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With the increase of age, the physiological reserve of the elderly decreases, which leads to the increase of physical vulnerability and the decrease of anti-stress ability, showing a series of frailty manifestations. Intrinsic capacity (refers to the comprehensive capacity of all physical and mental capacities of an individual) is central to maintaining function in older adults, and maintaining optimal intrinsic capacity is important to promote healthy aging. The aim of this study was to assess randomised controlled trials of multidomain interventions to further validate their effectiveness in the maintenance and enhancement of function in older adults, and to formulate strategies for preventive care and clinical practice. This study was a systematic review and meta-analysis of twenty-five publications. Results showed that multi-domain interventions can improve indicators of vital domains in older adults and integrate to optimise intrinsic capacity (refers to the comprehensive capacity of all physical and mental capacities of an individual) through potential interaction mechanisms. Authors concluded that because older adults may not be able to receive overly complex interventions due to limitations in their integrative abilities, the involvement of older adults and the sustainability of interventions should be considered before implementing them.
Abstract
Intrinsic capacity is central to the maintenance of function in older adults, and maintaining optimal intrinsic capacity is of great importance to promote healthy aging. The purpose of this systematic review and meta-analysis was to analyze the impact of multi-domain interventions on intrinsic capacity in older adults, intervention components, and potential interactions between components. A total of 6740 published articles were screened until August 2022, and the review included 25 randomized controlled trials that analyzed populations, interventions, control groups, and outcomes. The meta-analysis showed improvements in the primary outcome indicators in the intervention group compared to the control group. These included increased scores on the Mini-Mental State Examination as an indicator of cognitive function, decreased scores on the Geriatric Depression Scale (GDS-15) as an indicator of psychological ability and increased scores on the Short Physical Performance Battery (SPPB) as an indicator of physical performance, with only the SPPB indicator analyzed showing greater heterogeneity. Significant improvements were also seen in the secondary indicators Time-to-Walk Test (TUG), gait speed, Chair Stand Test (CST), grip strength values and BMI. There was insufficient data for the Mini Nutritional Assessment (MNA) as an indicator of vitality to conduct a meta-analysis. Studies were of moderate to high quality. The results of this review indicate that multi-domain interventions can maintain the level of intrinsic capacity in older adults and are equally effective in older adults with declining self-care abilities.
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Physical activity, inactivity and sleep during the Diabetes Remission Clinical Trial (DiRECT).
Cassidy, S, Trenell, M, Stefanetti, RJ, Charman, SJ, Barnes, AC, Brosnahan, N, McCombie, L, Thom, G, Peters, C, Zhyzhneuskaya, S, et al
Diabetic medicine : a journal of the British Diabetic Association. 2023;40(3):e15010
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Increasing physical activity is difficult for many individuals living with obesity and diabetes. Sustained, moderate activity is likely to be valuable for weight loss maintenance. The aim of this study was to explore whether randomisation to weight loss plus maintenance in the DiRECT trial was associated with physical activity, inactivity or sleep. DiRECT was a 2-year, open-label, cluster-randomised controlled trial conducted at 49 primary care (PC) practices. PC practices were randomised (1:1) to either an evidence-based weight management programme (Counterweight Plus; intervention) or best-practice care in accordance with guidelines (control). Results showed that: - repeated low-intensity advice to increase physical activity in the DiRECT intervention group did not produce change. - those people who had long-term weight loss success with the low-energy diet had positive changes in physical activity and inactivity. - wakefulness after sleep onset decreased in the intervention group. - weight loss ≥10% was associated with both increased physical activity and sleep quality. Authors conclude that it is important to optimise long-term weight loss maintenance by developing interventions encompassing restrained food intake, together with effective but affordable physical activity/inactivity strategies.
Abstract
AIMS: As sustained weight loss is vital for achieving remission of type 2 diabetes, we explored whether randomisation to weight loss plus maintenance in the DiRECT trial was associated with physical activity, inactivity or sleep. METHODS Participants were randomised to either a dietary weight management programme or best-practice care. The weight management group were encouraged to increase daily physical activity to their sustainable maximum. Objective measurement was achieved using a wrist-worn GENEActiv accelerometer for 7 days at baseline, 12 and 24 months in both groups. RESULTS Despite average weight loss of 10 kg at 12 months in the intervention (n = 66) group, there were no differences in total physical activity or inactivity compared with the control (n = 104) at any time point. However, in our exploratory analysis, those who lost more than 10% of their baseline body weight performed on average 11 mins/day more light activity than the <10% group at 24 months (p = 0.033) and had significantly lower bouts of Inactivity30min (interaction, p = 0.005) across 12 and 24 months. At 24 months, the ≥10% group had higher daily acceleration (38.5 ± 12.1 vs. 33.2 ± 11.1 mg, p = 0.020), and higher accelerations in the most active 5-hour period (59.4 ± 21.8 vs. 50.6 ± 18.3 mg, p = 0.023). Wakefulness after sleep onset decreased in the intervention group compared with the control group and also in the ≥10% weight loss group at 12 and 24 months. CONCLUSIONS Randomisation to a successful intensive weight loss intervention, including regular physical activity encouragement, was not associated with increased physical activity although sleep parameters improved. Physical activity was greater, and night-time waking reduced in those who maintained >10% weight loss at 12 and 24 months. TRIAL REGISTRATION ISRCTN03267836.
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Effect of Health Promotion Interventions in Active Aging in the Elderly: A Randomized Controlled Trial.
Davodi, SR, Zendehtalab, H, Zare, M, Behnam Vashani, H
International journal of community based nursing and midwifery. 2023;11(1):34-43
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The change in global demographics, with an increase in the proportion of the elderly who take up a large proportion of healthcare resources, will become a major challenge for health systems. Active ageing is defined by the WHO as “the process of promoting health, social security, and social contribution of the elderly to promote their quality of life”. The aim of this Iranian 6-week randomised controlled trial, including 60 participants aged 60 years or over, was to evaluate the effectiveness of an active ageing programme. The weekly group sessions included the topics nutrition, physical activity, responsibility, stress management, communications and spiritual aspects. Outcome measures were various questionnaires. Compared to controls, patients undergoing the programme experienced significant improvements in active mind maintenance, physical-functional activity, social contacts, productive engagement, social-institutional participation, but not agent attitude. The authors conclude that training programmes at the level of health centres are effective in promoting active ageing in an elderly population.
Abstract
BACKGROUND Active aging has been the paradigm of the old-age lifestyle. Integrated aging care interventions in health centers primarily focus on diseases such as diabetes, hypertension, depression, and cardiovascular diseases, and there is no program or training regarding active aging. This study was carried out from September to December 2021 to determine the effectiveness of an intervention program to promote active aging in the elderly referred to Mashhad health centers. METHODS This randomized controlled clinical trial was conducted on 60 elderly individuals without disabling diseases and cognitive impairment who presented to the Daneshamooz health center in Mashhad in 2021. Through a simple block allocation scheme, those who met the inclusion criteria were randomly divided into the intervention and control groups. The intervention group received the health promotion program during 6 sessions (one session per week) about nutrition, physical activity, responsibility, stress management, communications, and spiritual aspects. The data were gathered using the active aging questionnaire and analyzed using the SPSS software version 25; independent and paired t-test, Wilcoxon, and Mann-Whitney U tests were utilized. P value< 0.05 was considered statistically significant. RESULTS The results of this study demonstrated that after the intervention, the total active aging score in the intervention group increased significantly (68.5±3 to 85±8.25) (P<0.001) and there was a significant difference between the control and intervention groups (68±3.25 to 85±8.25) (P<0.001). CONCLUSION According to the results, training based on a health-enhancement approach can effectively promote active aging in the elderly. Therefore, more attention should be paid to strategic planning for active aging in health centers.Trial Registration Number: IRCT20210308050639N.
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Can dementia risk be reduced by following the American Heart Association's Life's Simple 7? A systematic review and dose-response meta-analysis.
Wu, J, Xiong, Y, Xia, X, Orsini, N, Qiu, C, Kivipelto, M, Rizzuto, D, Wang, R
Ageing research reviews. 2023;83:101788
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The American Heart Association (AHA) has defined ideal levels of seven modifiable cardiovascular health (CVH) factors, known as Life's Simple 7, that consist of smoking, physical activity, diet, body mass index, fasting blood glucose, total cholesterol, and blood pressure. Maintaining ideal levels of these factors has been recommended as a prevention strategy against not only cardiovascular diseases but also neurodegenerative disorders, e.g., cognitive decline and dementia. However, studies exploring the beneficial effects of the AHA’s CVH metrics on cognitive outcomes, especially among older populations, have been uncertain, and solid evidence is lacking in this field. This systematic review and meta-analysis aimed to quantify the relationship between the AHA’s CVH metrics and cognitive outcomes. 14 longitudinal studies were included in the meta-analysis. The results showed a considerable effect of a favourable total CVH score on reduced risk of incident dementia in adults aged 70 years or older. When looking at the individual factors, dementia risk can be reduced significantly if older adults achieved the recommended level of physical activity, blood glucose, or total cholesterol. The association with smoking appeared to be borderline, and there was no association between diet, body mass index hazard ratio or blood pressure and dementia risk. The authors concluded that their findings provide evidence that maintaining a favourable level of CVH score, either in mid- or late- life, would substantially reduce the risk of dementia among older adults. Preserving cardiovascular health by quitting smoking, engaging in physical exercise, controlling blood glucose and total cholesterol might be especially effective for forestalling cognitive decline and dementia.
Abstract
This study aimed to quantify the relationships between the American Heart Association (AHA) Cardiovascular Health (CVH) metrics, namely AHA Life's Simple 7, and cognitive outcomes. We searched PubMed and Embase (January 1, 2010-August 24, 2022) and finally included 14 longitudinal studies (311654 participants with 8006 incident dementia cases). Random-effects meta-analysis and one-stage linear mixed-effects models were performed. Increased CVH score seemed to associate with decreased risk of incident dementia in a linear manner, but this relationship varied by the measurement age of CVH metrics. That is, midlife CVH tended to have a linear association with late-life dementia risk, whereas a J-shaped association was observed between the late-life CVH score and dementia. In addition, late-life dementia risk was reduced significantly if individuals maintained an ideal level of AHA's CVH guidelines of physical activity, fasting plasma glucose, total cholesterol, and smoking. However, our meta-analysis did not show a significant association between CVH score and global cognitive decline rate. Following AHA's CVH guidelines and maintaining CVH at an optimal level would substantially reduce the late-life dementia risk. More research is required to explore the link between a favorable CVH score and cognitive trajectories among cognitively asymptomatic older populations.
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How do previously inactive individuals restructure their time to 'fit in' morning or evening exercise: a randomized controlled trial.
Brooker, PG, Gomersall, SR, King, NA, McMahon, NF, Leveritt, MD
Journal of behavioral medicine. 2023;46(3):429-439
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The number of hours in a day is fixed and finite, distributed between obligatory time (such as time spent working, sleeping, domestic activities, commuting or eating) and discretionary time (the remaining ‘free’ time). The way individuals restructure the timing of their behaviours can influence the effectiveness of exercise, and have important health consequences, depending on what activities are displaced. The aim of this study was to investigate how previously inactive adults restructure their time when they undertake morning or evening exercise. This study was conducted within a larger randomised controlled trial which used a three-armed, randomised controlled trial design, with a 12-week lifestyle intervention. Participants (n = 100) were randomized into one of two intervention groups, or a waitlist control group at a 2:2:1 ratio. Results showed that time spent engaging in physical activity was significantly increased from baseline at both mid- and post-intervention for both intervention groups. Furthermore, participants in both intervention groups reported more time spent sleeping, and less time watching television/playing videogames. Authors conclude that the time for exercise was largely drawn from a discretionary time (watching TV), and the patterns of change in time use was similar when exercise was performed in the morning compared with the evening.
Abstract
The objective of this study was to investigate changes in sedentary and active behaviors when previously inactive adults start exercising in the morning or evening. One-hundred adults with overweight or obesity (BMI ≥ 25 kg/m2) were recruited for a 12-week intervention and randomized to one of three groups: (i) morning exercise (AMEx; 0600-0900); (ii) evening exercise (PMEx; 1600-1900); or (iii) waitlist control. AMEx and PMEx were prescribed self-paced aerobic exercise to achieve a weekly total of 250 min via a combination of supervised and unsupervised training. Sedentary and active behavior times were measured at baseline, mid- and post-intervention using the multimedia activity recall for children and adults. Time spent engaging in physical activity was significantly increased from baseline at both mid- (+ 14-22 min·day-1) and post-intervention (+ 12-19 min·day-1), for AMEx and PMEx. At 12-weeks, participants in both morning and evening exercise groups reported increased time spent Sleeping (+ 36 and + 20 min·day-1, respecitively), and reduced time spent watching TV/playing videogames (- 32 and - 25 min·day-1, respectively). In response to an exercise stimulus, previously inactive adults make encouraging modifications in how they use their time, and the patterns of change are similar with morning and evening exercise.
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Short-term removal of exercise impairs glycemic control in older adults: A randomized trial.
Reynolds, LJ, Williams, TM, Harden, JE, Twiddy, HM, Kearney, ML
Physiological reports. 2023;11(2):e15591
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Advancements in glucose monitoring make assessing free-living postprandial blood glucose levels convenient and feasible. Continuous glucose monitoring systems assess blood glucose levels 24h a day and have been demonstrated to enhance diabetes management. Both acutely and chronically, physical activity and/or exercise is a powerful modulator of glycaemic control. The aim of this study was to examine if the alterations in glycaemic control in older adults who exercise were different compared to young adults who exercise, in response to short-term removal of exercise. This study was a randomised, cross-over, exploratory study design which included 20 participants (9 young, active participants and 11 older, active participants). Participants had glycaemic control assessed for 3 days while performing their normal habitual exercise and for 3 days while refraining from habitual exercise. Results show that three days of exercise removal impairs glycaemic control in older adults as well as young adults. In fact, older adults (even though they have worse glycaemic control than younger adults) do not experience a greater impairment in glycaemic control compared to young adults. Authors conclude that their findings support the overall need for regular, daily exercise in adults, particularly older adults, who have a worse glycaemic profile.
Abstract
Postprandial glycemia (PPG) predicts cardiovascular disease, and short-term physical inactivity increases PPG in young, active adults. Whether this occurs in older, active adults who may be more prone to bouts of inactivity is unknown. This study determined if postprandial interstitial glucose (PPIG) was impaired in active older adults following the removal of exercise for 3 days (NOEX) compared to active young adults. In this randomized, crossover study, 11 older (69.1 ± 1.9 years) and 9 young (32.8 ± 1.8 years) habitually active (≥90 min/week of exercise) adults completed 3-days of NOEX and 3-days of normal habitual exercise (EX), separated by ≥1 week. Diet was standardized across phases. Glycemic control (3-day average) was assessed via continuous glucose monitoring during both phases. Significant main effects of age and phase were detected (p < 0.05), but no interaction was found for steps/day (p > 0.05) (old EX: 6283 ± 607, old NOEX 2380 ± 382 and young EX: 8798 ± 623, young NOEX 4075 ± 516 steps/day). Significant main effects of age (p = 0.002) and time (p < 0.001) existed for 1-h PPIG, but no effect of phase or interactions was found (p > 0.05). Significant main effects (p < 0.05) of age (old: 114 ± 1 mg/dl, young: 106 ± 1 mg/dl), phase (NOEX: 112 ± 1 mg/dl, EX: 108 ± 1 mg/dl), and time (0 min: 100 ± 2, 30 min: 118 ± 2, 60 min: 116 ± 2, 90 min: 111 ± 2, 120 min: 108 ± 2 mg/dl) in 2-h PPIG were detected, but no interaction was found (p > 0.05). However, only significant main effects of phase (NOEX: 14 ± 1 and EX:12 ± 1, p > 0.05) were found for 24-h blood glucose standard deviation. Older adults appear to have impaired glycemic control compared to young adults and exercise removal impairs glycemic control in both populations. Yet, the impairment in glycemic control with exercise removal is not different between old and young adults.
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Nutrition and Exercise Interventions to Improve Body Composition for Persons with Overweight or Obesity Near Retirement Age: A Systematic Review and Network Meta-Analysis of Randomized Controlled Trials.
Eglseer, D, Traxler, M, Embacher, S, Reiter, L, Schoufour, JD, Weijs, PJM, Voortman, T, Boirie, Y, Cruz-Jentoft, A, Bauer, S
Advances in nutrition (Bethesda, Md.). 2023;14(3):516-538
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Obesity is characterised by excessive fat accumulation that often occurs during the process of aging. Aging is accompanied not only by a gradual increase in body fat stores but also a decrease in muscle mass, muscle function, and water retention. The aim of this study was to assess which nutrition and exercise interventions are most effective for improving the body composition (fat mass and muscle mass), body mass index, and waist circumference in persons with overweight or obesity near retirement age (55 to 70 years of age). This study was a systematic review and network meta-analysis (NMA) of randomised controlled trials of sixty-six studies. Results of the NMA showed that the most effective strategy to improve body composition, i.e., losing fat without increasing risk of sarcopenia in persons with obesity around retirement age, was combining energy restriction with resistance training or with mixed exercise (resistance combined with aerobic exercise) and/or high-protein intake. In fact, without training, an energy-restricted diet with or without added protein helped individuals lose fat mass but also tended to result in losses of muscle mass. Authors conclude that an energy-restricted diet alone probably contributes to the development of sarcopenic obesity in persons of retirement age. Thus, to simultaneously lose weight and maintain muscle mass, authors recommend a combination of energy restriction and resistance training.
Abstract
The retirement phase is an opportunity to integrate healthy (nutrition/exercise) habits into daily life. We conducted this systematic review to assess which nutrition and exercise interventions most effectively improve body composition (fat/muscle mass), body mass index (BMI), and waist circumference (WC) in persons with obesity/overweight near retirement age (ages 55-70 y). We conducted a systematic review and network meta-analysis (NMA) of randomized controlled trials, searching 4 databases from their inception up to July 12, 2022. The NMA was based on a random effects model, pooled mean differences, standardized mean differences, their 95% confidence intervals, and correlations with multi-arm studies. Subgroup and sensitivity analyses were also conducted. Ninety-two studies were included, 66 of which with 4957 participants could be used for the NMA. Identified interventions were clustered into 12 groups: no intervention, energy restriction (i.e., 500-1000 kcal), energy restriction plus high-protein intake (1.1-1.7 g/kg/body weight), intermittent fasting, mixed exercise (aerobic and resistance), resistance training, aerobic training, high protein plus resistance training, energy restriction plus high protein plus exercise, energy restriction plus resistance training, energy restriction plus aerobic training, and energy restriction plus mixed exercise. Intervention durations ranged from 8 wk to 6 mo. Body fat was reduced with energy restriction plus any exercise or plus high-protein intake. Energy restriction alone was less effective and tended to decrease muscle mass. Muscle mass was only significantly increased with mixed exercise. All other interventions including exercise effectively preserved muscle mass. A BMI and/or WC decrease was achieved with all interventions except aerobic training/resistance training alone or resistance training plus high protein. Overall, the most effective strategy for nearly all outcomes was combining energy restriction with resistance training or mixed exercise and high protein. Health care professionals involved in the management of persons with obesity need to be aware that an energy-restricted diet alone may contribute to sarcopenic obesity in persons near retirement age. This network meta-analysis is registered at https://www.crd.york.ac.uk/prospero/ as CRD42021276465.
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Lifestyle risk behaviours among adolescents: a two-year longitudinal study of the impact of the COVID-19 pandemic.
Gardner, LA, Debenham, J, Newton, NC, Chapman, C, Wylie, FE, Osman, B, Teesson, M, Champion, KE
BMJ open. 2022;12(6):e060309
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The global spread of COVID-19 and subsequent lockdown measures have presented challenges worldwide. Previous research has highlighted the importance of six key lifestyle behaviours, including diet, physical activity, sleep, sedentary behaviour (including recreational screen time), alcohol use and smoking—collectively referred to as the ‘Big 6’—for the short-term and long-term health of adolescents. The aim of this study was to examine changes in the prevalence of six key chronic disease risk factors from before to during the COVID-19 pandemic, and also to explore whether differences over time are associated with gender and lockdown status. This study is a prospective cohort study among a large and geographically diverse sample of adolescents. The sample included 983 students (girls = 54.8%) from 22 schools. Results show that: - over the 2-year period, the prevalence of excessive recreational screen time, insufficient fruit intake and alcohol and tobacco use increased. - alcohol use increased more among girls compared to boys. - the prevalence of insufficient sleep reduced in the overall sample; yet, increased among girls. - being in lockdown was associated with improvements in sugar-sweetened beverages consumption and discretionary food intake. Authors conclude that supporting young people to improve or maintain their health behaviours, regardless of the course of the pandemic, is important, alongside targeted research and intervention efforts to support groups that may be disproportionately impacted, such as adolescent girls.
Abstract
OBJECTIVE To examine changes in the prevalence of six key chronic disease risk factors (the "Big 6"), from before (2019) to during (2021) the COVID-19 pandemic, among a large and geographically diverse sample of adolescents, and whether differences over time are associated with lockdown status and gender. DESIGN Prospective cohort study. SETTING Three Australian states (New South Wales, Queensland and Western Australia) spanning over 3000 km. PARTICIPANTS 983 adolescents (baseline Mage=12.6, SD=0.5, 54.8% girl) drawn from the control group of the Health4Life Study. PRIMARY OUTCOMES The prevalence of physical inactivity, poor diet (insufficient fruit and vegetable intake, high sugar-sweetened beverage intake, high discretionary food intake), poor sleep, excessive recreational screen time, alcohol use and tobacco use. RESULTS The prevalence of excessive recreational screen time (prevalence ratios (PR)=1.06, 95% CI=1.03 to 1.11), insufficient fruit intake (PR=1.50, 95% CI=1.26 to 1.79), and alcohol (PR=4.34, 95% CI=2.82 to 6.67) and tobacco use (PR=4.05 95% CI=1.86 to 8.84) increased over the 2-year period, with alcohol use increasing more among girls (PR=2.34, 95% CI=1.19 to 4.62). The prevalence of insufficient sleep declined across the full sample (PR=0.74, 95% CI=0.68 to 0.81); however, increased among girls (PR=1.24, 95% CI=1.10 to 1.41). The prevalence of high sugar-sweetened beverage (PR=0.61, 95% CI=0.64 to 0.83) and discretionary food consumption (PR=0.73, 95% CI=0.64 to 0.83) reduced among those subjected to stay-at-home orders, compared with those not in lockdown. CONCLUSION Lifestyle risk behaviours, particularly excessive recreational screen time, poor diet, physical inactivity and poor sleep, are prevalent among adolescents. Young people must be supported to find ways to improve or maintain their health, regardless of the course of the pandemic. Targeted approaches to support groups that may be disproportionately impacted, such as adolescent girls, are needed. TRIAL REGISTRATION NUMBER Australian New Zealand Clinical Trials Registry (ACTRN12619000431123).
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Effect of a multi-domain lifestyle intervention on cardiovascular risk in older people: the FINGER trial.
Lehtisalo, J, Rusanen, M, Solomon, A, Antikainen, R, Laatikainen, T, Peltonen, M, Strandberg, T, Tuomilehto, J, Soininen, H, Kivipelto, M, et al
European heart journal. 2022;43(21):2054-2061
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Older people are at high risk of cardiovascular disease, and 90% of the risk factors can be modified, including an unhealthy diet, poor physical activity, obesity, smoking, and obesity-related comorbidities. This randomised controlled trial examined a multifactorial approach combining several lifestyle modifications in 1259 older adults between 60 and 77 years of age to reduce the risk of cardiovascular disease. Participants were randomly assigned to intensive multi-domain lifestyle intervention or regular health advice control groups. The multifactorial lifestyle intervention incorporated dietary counselling, exercise training, cognitive training, and managing CVD and metabolic risk factors. Dietary interventions included tailored strategies that considered increased consumption of fruits, berries, vegetables, whole grains, margarine, oil, and fish. Physical exercise interventions included strength training, balance exercises, and aerobic exercises. Cognitive interventions and intensive strategies to manage metabolic factors were also implemented. In the multifactorial lifestyle intervention group, cerebrovascular events were lower after two years than in the control group. In addition, cardiovascular disease and stroke incidence were lower in the elderly with a history of cardiovascular disease. Healthcare professionals can use the results from this study to understand the benefits of multifactorial lifestyle interventions on cardiovascular disease. However, there is a need for longer-term robust studies since the evidence is sparse.
Abstract
AIMS: Joint prevention of cardiovascular disease (CVD) and dementia could reduce the burden of both conditions. The Finnish Geriatric Intervention Study to Prevent Cognitive Impairment and Disability (FINGER) demonstrated a beneficial effect on cognition (primary outcome) and we assessed the effect of this lifestyle intervention on incident CVD (pre-specified secondary outcome). METHODS AND RESULTS FINGER enrolled 1259 individuals aged 60-77 years (ClinicalTrials.gov NCT01041989). They were randomized (1:1) to a 2-year multi-domain intervention with diet, physical and cognitive activity, and vascular monitoring (n = 631), or general health advice (n = 628). National registries provided data on CVD including stroke, transient ischaemic attack (TIA), or coronary heart event. During an average of 7.4 years, 229 participants (18%) had at least one CVD diagnosis: 107 in the intervention group and 122 in the control group. The incidence of cerebrovascular events was lower in the intervention than the control group: hazard ratio (HR) for combined stroke/TIA was 0.71 [95% confidence interval (CI): 0.51-0.99] after adjusting for background characteristics. Hazard ratio for coronary events was 0.84 (CI: 0.56-1.26) and total CVD events 0.80 (95% CI: 0.61-1.04). Among those with history of CVD (n = 145), the incidence of both total CVD events (HR: 0.50, 95% CI: 0.28-0.90) and stroke/TIA (HR: 0.40, 95% CI: 0.20-0.81) was lower in the intervention than the control group. CONCLUSION A 2-year multi-domain lifestyle intervention among older adults was effective in preventing cerebrovascular events and also total CVD events among those who had history of CVD.
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Effects of Multi-Component Exercise on Sleep Quality in Middle-Aged Adults.
Ai, JY, Kuan, G, Juang, LY, Lee, CH, Kueh, YC, Chu, IH, Geng, XL, Chang, YK
International journal of environmental research and public health. 2022;19(23)
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Sleep is a crucial factor in healthy aging. Good sleep may enhance cognition, mental health, ability to engage in activities, self-reported health and reduce fragility. Aging is associated with declines in most physiological systems that culminate in sleep changes and limited physical function. The aim of this study was to investigate the effects of multi-component exercise (MCE) on sleep quality and physical fitness among middle-aged adults. This study was a randomised controlled trial with a quasi-experimental design. The participants were randomly assigned to either the multi-component exercise or the control group. Results showed that a 12-week MCE program was effective in improving sleep quality (global sleep quality, sleep disturbances, and sleep efficiency) and flexibility and preventing a decline of muscular strength in middle-aged adults. Authors conclude that their findings provide support for the multi-component exercise training as a new strategy for health promotion in this population.
Abstract
Sleep is a crucial factor in healthy aging. However, most middle-aged adults experience high levels of sleep disorders. While previous findings have suggested exercise training could benefit the quality of sleep, the effects of multi-component exercise on sleep quality are less examined. Accordingly, the current study aimed to assess the effectiveness of a multi-component exercise program on the quality of sleep among middle-aged adults. Twenty-four middle-aged adults were randomly assigned either to a multi-component exercise (MCE) group or a control group. The participants in the MCE group attended a 90-min session per week for 12 weeks. The control group was instructed to maintain their daily routine for 12 weeks. The primary outcome was the sleep quality evaluated by the Pittsburgh Sleep Quality Index (PSQI). The secondary outcome was physical fitness, including muscular strength and endurance, balance, and flexibility. Regarding sleep quality, the global mean score (p = 028), sleep disturbances (p = 011), and sleep efficiency (p = 035) of the PSQI scores were significantly reduced in the MCE group after the 12-week intervention. Regarding physical fitness, the flexibility of the MCE group improved significantly after the intervention (p = 028), yet, no significant change was observed in the control group. Additionally, the muscular strength of the control group declined significantly after the 12-week period (p = 034). Our results revealed the effectiveness of the MCE intervention in improving sleep quality and physical fitness in middle-aged adults. Further studies using larger sample sizes, objective measures of sleep quality, different types of exercise training, as well as different populations, are warranted to extend our current findings.