The sensitivity and specificity of the WHO's ICOPE screening tool, and the prevalence of loss of intrinsic capacity in older adults: A scoping review.

BACKGROUND: The World Health Organization has developed the Integrated Care for Older People (ICOPE) program, a public health strategy to maintain older adults' functional abilities and promote healthier aging. The approach comprises a 5-step pathway. Step 1 is the screening for impairment in functions, and Step 2 is an in-depth evaluation to confirm the presence and severity of functional impairment. These initial two steps are crucial to determine the subsequent plan of care (Step 3) and follow-up (Step 4). The fifth step encompasses actions to support families and caregivers and to engage communities. This review gathers data from the literature on the prevalence of positive screenings regarding intrinsic capacity detected by the program's first-step screening tool, and on currently available results regarding the instrument's sensitivity and specificity. METHODS AND FINDINGS: Electronic searches were conducted in the PubMed, Cochrane, Embase, and SciElo databases, the medRxiv platform, and recent human aging scientific events, looking for research analyzing the ICOPE screening instrument. Studies reporting data on the prevalence of positive screenings for loss of intrinsic capacity using the proposed screening tool and/or findings on the instrument's sensitivity and specificity were included. A total of 7 publications with participants aged 50 years or more were selected. The prevalence of at least one impairment in intrinsic capacity detected by the instrument varied among the studies from 17.1 % to 94.3 %. Sensitivity ranged from 26.4 % to 100 % and specificity from 22 % to 96 %, depending on the setting and the assessed domain. CONCLUSION: Currently available data are heterogeneous, and different results were found among the studies due to diverse settings and methodologies. The evidence on the ICOPE screening tool's performance in different populations is still scarce and reinforces the need for further research worldwide.

Low phase angle in critically ill older patients is associated with late mortality: A prospective study.

OBJECTIVES: The aim of this study was to ascertain the accuracy of phase angle (PhA) as a predictor of mortality during intensive care unit (ICU) stay (MICU) and at 28 (M28) and 60 d (M60) after ICU admission among patients aged >60 y. METHODS: Patients aged >60 y who were under mechanical ventilation (MV) ≥48 h were included once they were hemodynamically stable. PhA was measured by single-frequency bioelectrical impedance analysis up to 48 h after admission. ICU prognostic scores, functional scale, and nutritional assessments were performed in the first 24 h. Patients were followed for 60 d after ICU admission. RESULTS: We enrolled 102 patients into the present study. PhA was significantly higher (P < 0.001) in survivors at MICU, M28, and M60. Areas under the receiving operator characteristic curves for MICU, M28, and M60 were 0.77 (95% confidence interval [CI], 0.67-0.86), 0.71 (95% CI, 0.60-0.82), and 0.71 (95% CI, 0.60-0.81), respectively. The PhA cutoff to predict mortality was 3.29° for males at MICU, M28, and M60 and lower for females at M28 (2.63°) and M60 (3.01°). PhA better discriminated M60 than conventional prognostic scores. Logistic regression showed that even after controlling for other factors, PhA was a protective factor against late mortality. Survival analysis at 60 d revealed that low PhA was associated with lower median survival (18 versus 58 d; log-rank P < 0.001). CONCLUSIONS: Low PhA values are associated with higher late mortality and a short survival time at 60 d in critically ill older adults. Low PhA values can be considered a useful ICU prognostic score in similar populations.

Oral health care for older persons with Alzheimer's disease: considerations about treatment planning and caregiver involvement

Alzheimer's disease (AD) is a neurodegenerative and progressive disease that predominantly affects women and has no cure. Obstacles to the dental care of people with AD differ in each phase, but the dental surgeon should remember to include the caregivers, formal or informal, in the treatment. Some skills need to be considered in the planning process, and dental health indices can be very helpful for the professional to assess the patient's ability to undergo treatment and how the older person can benefit from it. The dental surgeon should evaluate each person's specific needs so that personalized oral hygiene protocols can be established. The suggested adaptations must be by the reality of the older adult with AD, the family context, and daily routine, and they must contemplate the information provided by the caregiver. In this article, we invite the dental surgeon to understand the continuum of AD to properly plan treatment, considering the individual's limitations, future perspectives, and safety, always keeping the older adult free of oral infections and comfortable with his or her oral health condition

A doença de Alzheimer (DA) é neurodegenerativa, de caráter progressivo, afeta predominantemente mulheres e até o momento não possui cura. Os obstáculos para o atendimento odontológico de pessoas com DA são diferentes em cada fase, porém em nenhuma delas o cirurgião-dentista pode esquecer de incluir os cuidadores, formais ou não, no tratamento. Algumas habilidades precisam ser consideradas no processo de planejamento, e os índices odontológicos podem ser de grande utilidade para que o profissional pondere sobre a capacidade de o paciente receber o tratamento e quanto ele pode se beneficiar dele. A avaliação das necessidades específicas para cada indivíduo deve ser conduzida pelo cirurgião-dentista, de forma que seja possível estabelecer os protocolos personalizados de higiene oral. As adaptações sugeridas devem estar de acordo com a realidade da pessoa com DA, de seu contexto familiar, de sua rotina diária, e devem contemplar as informações fornecidas pelo cuidador. O cirurgião-dentista deve compreender o continuum da DA para planejar adequadamente, considerando as limitações, as perspectivas futuras e a segurança do indivíduo, mantendo-o sempre livre de infecções e confortável com sua condição de saúde bucal, em colaboração com seus cuidadores, formais ou informais

Are quality of life, functional capacity, and urinary incontinence associated with fecal incontinence? The Fibra-BR Study / Cuidados de saúde, capacidade funcional e incontinência urinária estão associados à incontinência fecal? Estudo Fibra-BR

OBJECTIVE: To assess the prevalence of fecal incontinence and its association with clinical, functional, and cognitive-behavioral variables, medication use, frailty, falls, and quality of life in community-dwelling older adults (aged 65 years or older). METHODS: Cross-sectional, multicenter study carried out across 16 Brazilian cities. The question "In the last 12 months, did you experience fecal incontinence or involuntary passage of stool?" was defined as the indicator variable for fecal incontinence. Bivariate analyses were carried out to assess the prevalence of fecal incontinence and sociodemographic characteristics, comorbidities, cognition, functional capacity, depression, frailty, quality of life, and falls. Logistic regression analysis was also performed, with fecal incontinence as the dependent variable. RESULTS: Overall, 6855 subjects were evaluated; 66.56% were female, 52.93% white, and the mean age was 73.51 years. The prevalence of fecal incontinence was 5.93%. It was associated with worse self-care (OR 1.78 [1.08­2.96]), dependence for basic activities of daily living (OR 1.29 [1.01­1.95]), and urinary incontinence (OR 4.22 [3.28­5.41]). Furthermore, the absence of polypharmacy was identified as a protective factor (OR 0.61 [0.44­0.85]). CONCLUSION: The overall prevalence of fecal incontinence was 5.93%. On logistic regression, one quality of life variable, dependence for basic activities of daily living, and polypharmacy were significantly associated with fecal incontinence

OBJETIVO: Avaliar a prevalência de incontinência fecal e sua associação com variáveis clínicas, funcionais, cognitivo-comportamentais, uso de fármacos, fragilidade, quedas e qualidade de vida em indivíduos com 65 anos ou mais que vivem na comunidade. METODOLOGIA: Estudo transversal e multicêntrico, realizado em 16 cidades brasileiras. A pergunta "Nos últimos 12 meses o(a) senhor(a) apresentou incontinência fecal ou perda de fezes de forma involuntária?'' foi a variável indicadora de incontinência fecal. Análises bivariadas avaliaram a prevalência de incontinência fecal e suas características sociodemográficas, comorbidades, cognição, funcionalidade, depressão, fragilidade, qualidade de vida e quedas. Também realizou-se análise de regressão logística tendo a incontinência fecal como variável dependente. RESULTADOS: No total, 6855 indivíduos foram avaliados; 66,56% eram do sexo feminino, 52,93% brancos e a média de idade de 73,51 anos. A prevalência de incontinência fecal foi de 5,93% e estava associada com pior cuidado com a própria saúde [OR 1,78 (1,08­2,96)], dependência para as atividades básicas de vida diária [OR 1,29 (1,01­1,95)] e incontinência urinária [OR 4,22 (3,28­5,41)]. Além disso, observou-se que a ausência de polifarmácia [OR 0,61 (0,44­0,85)] foi identificada como associação de proteção. CONCLUSÃO: A prevalência de incontinência fecal foi de 5,93%. Na regressão logística, uma variável de qualidade de vida, dependência para atividades básicas de vida diária e polifarmácia mostrou-se significativamente associada à incontinência fecal

Predictors of functional impairment and awareness in people with dementia, mild cognitive impairment and healthy older adults from a middle-income country.

Objective: To investigate the demographic, clinical and cognitive correlates of functional capacity and its awareness in people with dementia (PwD; n = 104), mild cognitive impairment (PwMCI; n = 45) and controls (healthy older adults; n = 94) in a sample from a middle-income country. Methods: Dementia and MCI were diagnosed, respectively, with DSM-IV and Petersen criteria. Performance in activities of daily living (ADL) at three different levels [basic (The Katz Index of Independence), instrumental (Lawton instrumental ADL scale) and advanced (Reuben's advanced ADL scale)], measured through self- and informant-report, as well as awareness (discrepancy between self- and informant-report), were compared between groups. Stepwise regression models explored predictors of ADL and their awareness. Results: PwD showed impairment in all ADL levels, particularly when measured through informant-report. No differences were seen between controls and PwMCI regardless of measurement type. PwD differed in awareness of instrumental and basic, but not of advanced ADL, compared to controls. Age, gender, education and fluency were the most consistent predictors for ADL. Diagnosis was a significant predictor only for instrumental ADL. Awareness of basic ADL was predicted by memory, and awareness of instrumental ADL was predicted by general cognitive status, educational level, and diagnosis. Conclusion: Results reinforce the presence of lack of awareness of ADL in PwD. Use of informant-reports and cognitive testing for fluency are suggested for the clinical assessment of ADL performance. Finally, assessment of instrumental ADL may be crucial for diagnostic purposes.

Exercise with blood flow restriction improves muscle strength and mass while preserving the vascular and microvascular function and structure of older adults.

BACKGROUND: Changes in muscle mass, strength, vascular function, oxidative stress, and inflammatory biomarkers were compared in older adults after resistance training (RT) performed with low-intensity without blood flow restriction (RT-CON); low-intensity with BFR (RT-BFR); and high-intensity without BFR (RT-HI). METHODS: Thirty-two untrained individuals (72±7 y) performed a 12-week RT after being randomized into three groups: RT-CON -30% of 1 repetition maximum (RM); RT-BFR -30% of 1RM and mild BFR (50% of arterial occlusion pressure); RT-HI -70% of 1 RM. RESULTS: Improvements in handgrip strength were similar in RT-BFR (17%) and RT-HI (16%) vs. RT-CON (-0.1%), but increases in muscle mass (6% vs. 2% and -1%) and IGF-1 (2% vs. -0.1% and -1.5%) were greater (p < 0.05) in RT-BFR vs. RT-HI and RT-CON. Changes in vascular function, morphology, inflammation, and oxidative stress were similar between groups, except for time to reach maximum red blood cell velocity which showed a greater reduction (p < 0.05) in RT-BFR (-55%) vs. RT-HI (-11%) and RT-CON (-4%). CONCLUSION: RT with low intensity and mild BFR improved muscle strength and mass in older individuals while preserving vascular function. This modality should be considered an adjuvant strategy to improve muscle function in older individuals with poor tolerance to high loads.

Correction: Normative reference values of handgrip strength for Brazilian older people aged 65 to 90 years: Evidence from the multicenter Fibra­BR study.

[This corrects the article DOI: 10.1371/journal.pone.0250925.].

Association between fear of falling and spatial and temporal parameters of gait in older adults: the FIBRA-RJ study.

PURPOSE: To evaluate the association between fear of falling (FoF) and spatial and temporal parameters of gait in older adults. METHODS: This cross-sectional study evaluated 291 clients of a private health care insurance who were over 65 years of age and living in the North Zone of Rio de Janeiro City in 2013. FoF was assessed by the Falls Efficacy Scale-International (FES-I-BR), and gait parameters, such as gait speed, cadence, step time, step length, stride length, and variability (standard deviation of stride length), were assessed using GAITRite®. The covariates were age, sex, history of falls, number of medications, cognitive decline, body mass index, and sight impairment. The association between FoF and gait parameters was assessed by linear regression, and the respective 95% confidence intervals (95% CIs) were calculated. RESULTS: The prevalence of FoF was 51.9%. The adjusted analyses showed an association between FoF and the following gait parameters: decreased gait speed, decreased cadence, increased step time, and decreased step and stride length. No association was found between FoF and stride lenght variability. CONCLUSION: This study suggests that FoF is associated with changes in gait parameters, with the exception of stride length variability. These findings show a need for interventions to reduce FoF in older adults, which is a modifiable factor that is related to gait changes. More studies are needed to elucidate the relationship between FoF and motor control of gait in older adults.

Can Social Resources Explain the Limitations in the Activities of Daily Living of Older Adults Classified by the Phenotype of Physical Frailty?

The objective is to investigate the mediating roles of living alone and personal network in the relationship between physical frailty and activities of daily living (ADL) limitations among older adults. 2271 individuals were classified as vulnerable (pre-frail or frail) or robust. Mediating variables were living alone and personal network. Katz Index and Lawton-Brody scale were used to assess ADL. Mediating effects were analyzed with beta coefficients from linear regression models using the bootstrapping method. Mediation analysis showed significant mediating effects of living alone (ß = .011; 95% CI = .004; .018) and personal network (ß = .005; 95% CI = .001; .010) on the relationship between physical frailty and basic ADL limitations. Mediation effects of living alone and personal network on the relationship between physical frailty and instrumental ADL limitations were ß = -.074 (95% CI=-.101; -.046) and ß = -.044 (95% CI = -.076; -.020), respectively. Physically vulnerable older adults who lived alone or had poor personal network were more dependent on basic and instrumental ADL.

Sarcopenia in the elderly versus microcirculation, inflammation status, and oxidative stress: A cross-sectional study.

BACKGROUND: Age-related mechanisms of sarcopenia associated with vascular function have been recently suggested. This study compared and tested associations between muscle mass and strength, microcirculation, inflammatory biomarkers, and oxidative stress in older adults classified as sarcopenic and non-sarcopenic. METHODS: Thirty-three physically inactive individuals (72±7 yrs) were assigned to age-matched sarcopenic (SG) and non-sarcopenic (NSG) groups. Between-group comparisons were performed for appendicular skeletal mass (ASM), handgrip and isokinetic strength, microvascular function and morphology, C-reactive protein, insulin-like growth factor-1, tumor necrosis factor-alpha, interleukin-6 (IL-6), soluble vascular cell adhesion molecule-1, soluble intercellular adhesion molecule-1, endothelin-1, and oxidized low-density lipoprotein. RESULTS: ASM and knee isokinetic strength were lower in SG than NSG (P < 0.05). No difference between groups was found for outcomes of microvascular function and morphology, but log-transformed IL-6 concentration was twice greater in SG vs. NSG (P = 0.02). Correlations between ASM index, handgrip and knee isokinetic strength vs. markers of microcirculatory function, capillary diameters, vascular reactivity, and endothelial injury were found only in SG. CONCLUSION: Decreased ASM index and strength have been associated with microcirculatory profile, indicating that microcirculation impairment may be involved somehow in Sarcopenia development. The inflammation status, particularly elevated IL-6, seems to play an important role in this process.

Mortality, sarcopenic obesity, and sarcopenia: Frailty in Brazilian Older People Study - FIBRA - RJ.

OBJECTIVE: To investigate the risk of mortality associated with sarcopenic obesity (SO), obesity (OB), and sarcopenia in elderlies. METHODS: We analyzed longitudinal data from 270 participants > 65 years of age of Phase III of the Study on Frailty in Brazilian Older People (FIBRA-RJ-2012). Socioeconomic, demographic, lifestyle, morbidity, and functional data were collected by home based interviews. DXA and body composition assessment was conducted in a laboratory. In women, OB was diagnosed when body fat percentage ≥ 38% and sarcopenia by an Appendicular Lean Mass Index (ALMI) < 6.00 kg/m2 and muscle strength < 16 Kgf. In men, OB was diagnosed when body fat percentage ≥ 27%, and sarcopenia was diagnosed with ALMI < 7.00 kg/m2 and muscle strength < 27 Kgf. SO was assessed by combining variables used to diagnose obesity and sarcopenia. The probabilistic linkage method was used to obtain deaths in the 2012-January 2017 period from the Brazilian Mortality Registry. Cox regression models were tested, and crude and adjusted hazard ratio calculations were conducted. RESULTS: After adjusting for sex, age, race/skin color, walking as an exercise, and hypertension, individuals with sarcopenia were 5.7 times more likely to die (95%CI: 1.17-27.99) than others without sarcopenia and obesity. CONCLUSION: A high risk of death was observed in individuals with sarcopenia. These results show the need for preventive strategies of early detection and treatment in order to increase survival employing multimodal interventions.

Difficulty in taking medication and stroke among older adults with systemic arterial hypertension: the Fibra Study.

This article aims to investigate whether difficulty in taking medication is associated with stroke among older adults with Systemic Arterial Hypertension (SAH) and to explore their association with living arrangements. Cross-sectional study was based on 3,502 older adults with SAH from the four universities pole of Frailty in Brazilian Older People (Fibra) Study, Brazil, including 14 municipalities of the five Brazilian regions. We used the medical diagnosis of stroke and difficulty in taking medications (self-reported difficulty and financial difficulty affording prescribed medications). Multivariate analysis was performed using logistic regression. Differently from women, older men with SAH, which report difficulty in taking medication (unintentional non-adherence), have higher odds of stroke. When stratified by living arrangements, those living with a partner have even higher odds of stroke compared to those without difficulty in taking medication and living alone. None association was found for difficulty affording prescribed medication for both men and women. Unintentional difficulty in taking medication plays a role in SAH treatment among men. Primary care strategies for controlling blood pressure should not be focus only on patients but targeting spouses as well.

Difficulty in taking medication and stroke among older adults with systemic arterial hypertension: the Fibra Study / Dificuldade em tomar medicamentos e acidente vascular encefálico em idosos com hipertensão arterial sistêmica: Estudo Fibra

Abstract This article aims to investigate whether difficulty in taking medication is associated with stroke among older adults with Systemic Arterial Hypertension (SAH) and to explore their association with living arrangements. Cross-sectional study was based on 3,502 older adults with SAH from the four universities pole of Frailty in Brazilian Older People (Fibra) Study, Brazil, including 14 municipalities of the five Brazilian regions. We used the medical diagnosis of stroke and difficulty in taking medications (self-reported difficulty and financial difficulty affording prescribed medications). Multivariate analysis was performed using logistic regression. Differently from women, older men with SAH, which report difficulty in taking medication (unintentional non-adherence), have higher odds of stroke. When stratified by living arrangements, those living with a partner have even higher odds of stroke compared to those without difficulty in taking medication and living alone. None association was found for difficulty affording prescribed medication for both men and women. Unintentional difficulty in taking medication plays a role in SAH treatment among men. Primary care strategies for controlling blood pressure should not be focus only on patients but targeting spouses as well.

Resumo O objetivo deste artigo é investigar se a dificuldade em tomar medicamentos está associada ao acidente vascular encefálico (AVE) entre idosos com hipertensão arterial sistêmica (HAS) e explorar esta associação com arranjos familiares. Estudo seccional baseado em 3.502 idosos com HAS dos quatro polos do Estudo Fibra, Brasil, incluindo 14 cidades das cinco regiões brasileiras. Foi usado o diagnóstico médico de AVE e a dificuldade em tomar medicamentos (dificuldade autorrelatada e dificuldade financeira). Utilizou-se a regressão logística na análise multivariada. Diferentemente das mulheres, homens com HAS que relataram dificuldade em tomar medicamentos (não adesão não intencional) apresentam maior chance de ter AVE. Quando estratificado por arranjos familiares, homens que moravam com o cônjuge apresentaram chance ainda maior de ter AVE, quando comparados com aqueles sem dificuldade em tomar medicamentos e que vivem sozinhos. Nenhuma associação foi encontrada para dificuldade financeira, tanto para mulheres quanto para homens. Dificuldades não intencionais em tomar medicamentos têm um papel importante no controle da HAS entre homens. Estratégias de controle da pressão arterial realizadas na atenção primária não devem focar apenas nos pacientes, mas nos cônjuges destes pacientes.

Depressive symptoms associated with the expectation of social support in the elderly: Data from the FIBRA-RJ study / Sintomas depressivos associados à expectativa de apoio social em idosos: Dados do estudo FIBRA-RJ / Síntomas depresivos asociados con la expectativa de apoyo social en los ancianos: Datos del estudio FIBRA-RJ

The progressive aging of the population and the social transformations resulting from this phenomenon have fostered studies that include social support as a relevant variable for understanding the determinants of mental health in old age. This study evaluated the association between the expectancy of social support and clinically significant depressive symptoms (CSDS) in community-dwelling older adults, controlling the clinical and sociodemographic variables involved in this interaction. A cross-sectional study using the database of the FIBRA-RJ Study that includes elderly (over 65 years old) clients of a private health care plan who resided in northern districts of the municipality of Rio de Janeiro. Of the 776 participants, 66% were women; the mean age was 76.8 (σ=6.77) years, and the mean schooling was 10 (σ=5.077) years of studies. The prevalence of CSDS was 22%. People who expect assistance in the case of functional dependency showed lower rates of prevalence of CSDS than the group without such expectation (OR=1.976). The expectation of receiving support only from the formal caregiver was associated with CSDS (p<0.001). The findings reinforce the importance of psychosocial variables as a factor associated with mood disorders in the elderly.

O envelhecimento progressivo da população e as transformações sociais decorrentes desse fenômeno fomentam estudos que incluem o apoio social como uma variável relevante para a compreensão dos determinantes da saúde mental na velhice. Este estudo avaliou a associação entre a expectativa de apoio social e os sintomas depressivos clinicamente significativos (CSDS) em idosos da comunidade, controlando as variáveis clínicas e sociodemográficas envolvidas nessa interação. Estudo transversal, utilizando dados do Estudo FIBRA-RJ, que incluiu clientes idosos (maiores de 65 anos) de um plano privado de saúde que residiam nos bairros da zona norte do município do Rio de Janeiro. Dos 776 participantes, 66% eram mulheres; a média de idade foi de 76,8 (σ=6,77) anos e a escolaridade média foi de 10 (σ=5,077) anos de estudo. A prevalência de CSDS foi de 22%. As pessoas que acreditavam ter com quem contar no caso de dependência funcional apresentaram menores chances de CSDS em comparação ao grupo que não tinha esta expectativa (OR=1,976). A expectativa de receber apoio apenas do cuidador formal foi associada à CSDS (p<0,001). Os achados reforçam a importância das variáveis psicossociais como fator associado aos transtornos de humor em idosos.

El envejecimiento progresivo de la población y las transformaciones sociales resultantes de este fenómeno han fomentado estudios que incluyen el apoyo social como una variable relevante para comprender los determinantes de la salud mental en la vejez. Este estudio evaluó la asociación entre la expectativa de apoyo social y los síntomas depresivos clínicamente significativos (CSDS) en adultos mayores que viven en la comunidad, controlando las variables clínicas y sociodemográficas involucradas en esta interacción. Un estudio transversal, que utiliza la base de datos del Estudio FIBRA-RJ, que incluye clientes de edad avanzada (mayores de 65 años) de un plan privado de atención médica que residían en distritos del norte del municipio de Río de Janeiro. De los 776 participantes, el 66% eran mujeres; la edad promedio fue de 76,8 (σ=6,77) años y la escolaridad promedio fue de 10 (σ=5,077) años de estudios. La prevalencia de CSDS fue del 22%. Las personas que esperan asistencia en el caso de dependencia funcional tienen tasas más bajas de presentar CSDS en comparación con el grupo que no tiene esta expectativa (OR=1,976). La expectativa de recibir apoyo solo del cuidador formal se asoció con CSDS (p<0,001). Los hallazgos refuerzan la importancia de las variables psicosociales como un factor asociado con los trastornos del estado de ánimo en los ancianos.

Does Resistance Training with Blood Flow Restriction Affect Blood Pressure and Cardiac Autonomic Modulation in Older Adults?

Resistance training (RT) with blood flow restriction (BFR) appears to accelerate muscle hypertrophy and strength gains in older populations. However, the training-related effects of RT with BFR upon blood pressure (BP) and cardiac autonomic modulation in the elderly remains unclear. The objective of this study is to compare the chronic effects of low-intensity RT performed with soft BFR (BFR) vs. high-intensity (HI) and low-intensity RT (CON) without BFR on BP and heart rate variability (HRV) indices in older adults. Thirty-two physically inactive participants (72 ± 7 yrs) performed RT for upper and lower limbs (50-min sessions, 3 times/week) for 12 weeks, being assigned into three groups: a) BFR; 30% of 1 repetition maximum (RM) with BFR corresponding to 50% of arterial occlusion pressure; b) HI; 70% of 1RM without BFR; c) CON; 30% of 1 RM without BFR. Resting BP and HRV were assessed at rest in the supine position, before and after exercise interventions. Systolic BP (Δ = -7.9 ± 8.0 mmHg; p = 0.002; effect size = 0.62), diastolic BP (Δ = trace length by the duration of the test 5.0 ± 6.0 mmHg; p = 0.007; effect size = 0.67) and mean arterial pressure (Δ = -6.3 ± 6.5 mmHg; p = 0.003/effect size = 0.77) reduced after BFR, remaining unaltered in HI and CON. HRV indices of sympathetic and vagal modulation did not change in all groups (p ≥ 0.07 for all comparisons). 12-wk RT with low intensity and relatively soft BFR substantially reduced BP at rest in older adults vs. traditional RT performed with either low or high intensity. Those reductions were not parallel to changes in autonomic modulation.

Normative reference values of handgrip strength for Brazilian older people aged 65 to 90 years: Evidence from the multicenter Fibra­BR study.

BACKGROUND: Handgrip strength (HGS) is an indicator of muscle strength, suited for evaluating the aging process. Its use depends on the availability of reliable normative reference values (NRV). The main objective of this study is to provide NRV of HGS for Brazilians aged 65 to 90 years. METHODS: Participants were from the Frailty in Brazilian Older People research. 2,999 successful aging (SA) participants comprised the development sample. HGS was measured using a hydraulic dynamometer. Obtaining NRV involved regressing HGS on age per sex-height strata, fitting separate fractional polynomial (FP) models for the mean and coefficient of variation. Model fit was assessed via standardized residuals, probability/quantile plots, and comparing observed to normal expected percentages of participants falling within specified centile intervals. For validation, the latter procedure was applied to 2,369 unsuccessfully aging (UA) participants. RESULTS: Across strata, the best-fitting models for the means were FP of power 1. FP models for the CV indicated age invariance, entailing steady heteroscedastic age decline in SD since coefficients for the means were negative and SD = CV×mean. All models adjusted well. Centiles distributions for the SA and UA populations showed anticipated patterns, respectively falling on and below the normative expected centile references. Results (NRV) are presented in tables and centile charts. Equations are also provided. CONCLUSION: NRV/charts may be endorsed for routine use, while still tested further. They would aid professionals caring for older people, not only to identify those at risk and eligible for immediate provisions, but also in planning prevention and rehabilitation measures.

A multidimensional approach to frailty compared with physical phenotype in older Brazilian adults: data from the FIBRA-BR study.

BACKGROUND: Frailty is a predictor of negative health outcomes in older adults. The physical frailty phenotype is an often used form for its operationalization. Some authors have pointed out limitations regarding the unidimensionality of the physical phenotype, introducing other dimensions in the approach to frailty. This study aimed to create a multidimensional model to evaluate frailty in older Brazilian adults and to compare the dimensions of the model created among the categories of the physical frailty phenotype. METHODS: A cross-sectional study was conducted using data from 3569 participants (73.7 ± 6.6 years) from a multicenter and multidisciplinary survey (FIBRA-BR). A three-dimensional model was developed: physical dimension (poor self-rated health, vision impairment, hearing impairment, urinary incontinence, fecal incontinence, and sleeping disorder), social dimension (living alone, not having someone who could help when needed, not visiting others, and not receiving visitors), and psychological dimension (depressive symptoms, concern about falls, feelings of sadness, and memory problems). The five criteria of the phenotype created by Fried and colleagues were used to evaluate the physical frailty phenotype. The proposed multidimensional frailty model was analyzed using factorial analysis. Pearson's chi-square test was used to analyze the associations between each variable of the multidimensional frailty model and the physical phenotype categories. Analysis of variance compared the multidimensional dimensions scores among the three categories of the physical frailty phenotype. RESULTS: The factorial analysis confirmed a model with three factors, composed of 12 variables, which explained 38.6% of the variability of the model data. The self-rated health variable was transferred to the psychological dimension and living alone variable to the physical dimension. The vision impairment and hearing impairment variables were dropped from the physical dimension. The variables significantly associated with the physical phenotype were self-rated health, urinary incontinence, visiting others, receiving visitors, depressive symptoms, concern about falls, feelings of sadness, and memory problems. A statistically significant difference in mean scores for physical, social, and psychological dimensions among three physical phenotype categories was observed (p < 0.001). CONCLUSIONS: These results confirm the applicability of our frailty model and suggest the need for a multidimensional approach to providing appropriate and comprehensive care for older adults.