Is slowness a better discriminator of disability than frailty in older adults?

Background:The trajectory of incident disability that occurs simultaneously with changes in frailty status, as well as how much each frailty component contributes to this process in the different sexes, are unknown. The objective of this study is to analyse the trajectory of the incidence of disability on basic and instrumental activities of daily living (BADL and IADL) as a function of the frailty changes and their components by sex over time. // Methods: Longitudinal analyses of 1522 and 1548 of the English Longitudinal Study of Ageing study participants without BADL and IADL disability, respectively, and without frailty at baseline. BADL and IADL were assessed using the Katz and Lawton Scales and frailty by phenotype at 4, 8, and 12 years of follow-up. Generalized mixed linear models were calculated for the incidence of BADL and IADL disability, as an outcome, using changes in the state of frailty and its components, as the exposure, by sex in models fully adjusted for sociodemographic, behavioural, biochemical, and clinical characteristics. // Results: The mean age, at baseline, of the 1522 eligible individuals free of BADL and free of frailty was 68.1 ± 6.2 years (52.1% women) and of the 1548 individuals free IADL and free frailty was 68.1 ± 6.1 years (50.6% women). Women who became pre-frail had a higher risk of incidence of disability for BADL and IADL when compared with those who remained non-frail (P < 0.05). Men and women who became frail had a higher risk of incidence of disability regarding BADL and IADL when compared with those who remained non-frail (P < 0.05). Slowness was the only component capable of discriminating the incidence of disability regarding BADL and IADL when compared with those who remained without slowness (P < 0.05). Weakness and low physical activity level in men and exhaustion in women also discriminated the incidence of disability (P < 0.05). // Conclusions: Slowness is the main warning sign of functional decline in older adults. As its evaluation is easy, fast, and accessible, screening for this frailty component should be prioritized in different clinical contexts so that rehabilitation strategies can be developed to avoid the onset of disability

Glucose Availability and AMP-Activated Protein Kinase Link Energy Metabolism and Innate Immunity in the Bovine Endometrium

Defences against the bacteria that usually infect the endometrium of postpartum cattle are impaired when there is metabolic energy stress, leading to endometritis and infertility. The endometrial response to bacteria depends on innate immunity, with recognition of pathogen-associated molecular patterns stimulating inflammation, characterised by secretion of interleukin (IL)-1β, IL-6 and IL-8. How metabolic stress impacts tissue responses to pathogens is unclear, but integration of energy metabolism and innate immunity means that stressing one system might affect the other. Here we tested the hypothesis that homeostatic pathways integrate energy metabolism and innate immunity in bovine endometrial tissue. Glucose deprivation reduced the secretion of IL-1β, IL-6 and IL-8 from ex vivo organ cultures of bovine endometrium challenged with the pathogen-associated molecular patterns lipopolysaccharide and bacterial lipopeptide. Endometrial inflammatory responses to lipopolysaccharide were also reduced by small molecules that activate or inhibit the intracellular sensor of energy, AMP-activated protein kinase (AMPK). However, inhibition of mammalian target of rapamycin, which is a more global metabolic sensor than AMPK, had little effect on inflammation. Similarly, endometrial inflammatory responses to lipopolysaccharide were not affected by insulin-like growth factor-1, which is an endocrine regulator of metabolism. Interestingly, the inflammatory responses to lipopolysaccharide increased endometrial glucose consumption and induced the Warburg effect, which could exacerbate deficits in glucose availability in the tissue. In conclusion, metabolic energy stress perturbed inflammatory responses to pathogen-associated molecular patterns in bovine endometrial tissue, and the most fundamental regulators of cellular energy, glucose availability and AMPK, had the greatest impact on innate immunity

An exploratory study of the costs and consequences of prenatal care in the Family Health Program.

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Estudo exploratório de custos e conseqüências do pré-natal no Programa Saúde da Família

OBJECTIVE: To assess costs and consequences of prenatal care on perinatal morbidity and mortality. METHODS: Evaluation study using two types of analysis: implementation and efficiency analysis, carried out at 11 Family Health Units in the Recife, Northeastern Brazil, in 2006. The costs were calculated by means of the activity-based costing technique and the cost-effectiveness ratio was calculated for each consequence. Data sources were information systems of the Ministry of Health and worksheets of costs provided by the Health Department of Recife and Instituto de Medicina Integral Prof. Fernando Figueira. Healthcare units with implemented or partially implemented prenatal care were compared in terms of their cost-effectiveness and perinatal results. RESULTS: In 64% of the units, prenatal care was implemented with a mean total cost of R$39,226.88 and variation of R$ 3,841,87 to R$8,765.02 per healthcare unit. In the units with partially implemented prenatal care (36$ 30,092.61 (R$4,272.12 to R$ 11,774.68). The mean cost per pregnant woman was R$196.13 with implemented prenatal care and R$ 150.46 with partially implemented prenatal care. A higher proportion of low birth weight, congenital syphilis, perinatal and fetal deaths was found in the partially implemented group. CONCLUSIONS: Prenatal care is cost-effective for several studied consequences. The adverse effects measured by the health indicators were lower in the units with implemented prenatal care. The mean cost in the partially implemented group was higher, which suggests a possible waste of resources, as the teams' productivity is insufficient for the installed capacity.OBJETIVO: Avaliar custos e conseqüências da assistência pré-natal na morbimortalidade perinatal. MÉTODOS: Estudo avaliativo com dois tipos de análise - de implantação e de eficiência, realizado em 11 Unidades de Saúde da Família do Recife, PE, em 2006. Os custos foram apurados pela técnica activity-based costing e a razão de custo-efetividade foi calculada para cada conseqüência. As fontes de dados foram sistemas de informação do Ministério da Saúde e planilhas de custos da Secretaria de Saúde do Recife e do Instituto de Medicina Integral Prof. Fernando Figueira. As unidades de saúde com pré-natal implantado ou parcial foram comparadas quanto ao seu custo-efetividade e resultados perinatais. RESULTADOS: Em 64% das unidades, o pré-natal estava implantado com custo médio total de R$39.226,88 e variação de R$ 3.841,87 a R$8.765,02 por Unidade de Saúde. Nas unidades parcialmente implantadas (36$ 30.092,61 (R$4.272,12 a R$ 11.774,68). O custo médio por gestante foi de R$196,13 com pré-natal implantado e R$ 150,46 no parcial. Encontrou-se maior proporção de baixo peso ao nascer, sífilis congênita, óbitos perinatais e fetais no grupo parcialmente implantado. CONCLUSÕES: Pré-natal é custo-efetivo para várias conseqüências estudadas. Os efeitos adversos medidos pelos indicadores de saúde foram menores nas unidades com pré-natal implantado. O custo médio no grupo parcialmente implantado foi mais elevado, sugerindo possível desperdício de recursos, uma vez que a produtividade das equipes é insuficiente para a capacidade instalada.OBJETIVO: Evaluar costos y consecuencias de la asistencia prenatal en la morbimortalidad perinatal. MÉTODOS: Estudio evaluativo con dos tipos de análisis: de implantación y de eficiencia, realizado en 11 Unidades de Salud de la Familia de Recife, Sureste de Brasil, en 2006. Los costos fueron mejorados por la técnica activity-based costing y la razón de costo-efectividad fue calculada para cada consecuencia. Las fuentes de datos fueron sistemas de información del Ministerio de la Salud y planillas de costos de la Secretaria de la Salud de Recife y del Instituto de Medicina Integral Prof. Fernando Figueira. Las unidades de salud con prenatal implantado o parcial fueron comparadas con relación a su costo-efectividad y resultados perinatales. RESULTADOS: En 64% de las unidades, el prenatal estaba implantado con costo promedio total de R$39.226,88 y variación de R$ 3.841,87 a R$8.765,02 por unidad de salud. En las unidades parcialmente implantadas (36$ 30.092,61 (R$4.272,12 a R$ 11.774,68). El costo promedio por gestante fue de R$196,13 con prenatal implantado y R$ 150,46 en el parcial. Se encontró mayor proporción de bajo peso al nacer, sífilis congénita, óbitos perinatales y fetales en el grupo parcialmente implantado. CONCLUSIONES: El prenatal es costo-efectivo para varias consecuencias estudiadas. Los efectos adversos medidos por los indicadores de salud fueron menores en las unidades con prenatal implantado. El costo promedio en el grupo parcialmente implantado fue más elevado, sugiriendo posible desperdicio de recursos, dado que la productividad de los equipos es suficiente para la capacidad instalada