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1.
SAGE Open Med ; 7: 2050312119865126, 2019.
Artigo em Inglês | MEDLINE | ID: mdl-31360519

RESUMO

OBJECTIVES: The aim of this study was to evaluate the most commonly used body composition tools in clinical practice, such as anthropometry and electrical bioimpedance, and compare it with deuterium oxide. METHODS: An exploratory cross-sectional study was conducted on women aged 100 years or above at home. Body composition was determined by measuring skinfolds (Jackson and Pollock and Durnin and Womersley equations), by bioimpedance, and by the deuterium oxide method. RESULTS: Body mass index values were lower than 22 kg/m2 in 64% of the subjects. When the various methods used were compared with deuterium oxide, there was better agreement for the determination of fat mass than lean mass. For fat mass, agreement was better when using bioimpedance (Lin's coefficient = 0.70), whereas for lean mass, agreement was better using the Durnin and Womersley equation (Lin's coefficient = 0.51). CONCLUSION: It is possible to use bioimpedance and skinfolds to evaluate fat mass and lean mass, respectively, in centenarians.

2.
Aging Clin Exp Res ; 29(3): 411-417, 2017 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-27377066

RESUMO

A better knowledge of the differences existing between individuals who maintain cognition up to 100 years of age or more and those of the same age who present dementia syndrome may be of help in understanding the dementia of the very elderly people. The aim of this study was to assess cardiovascular risk factors and inflammatory markers among centenarians with and without dementia. A population-based cross-sectional study was conducted on centenarians residing in a middle-size city. Volunteers were evaluated by comprehensive geriatric assessment at home. General laboratory examinations were performed and cardiovascular risk and inflammatory activity markers were determined. Mean subject age was 101 ± 2 years, and 82 % were women. Assessment of dementia syndrome revealed that 36.4 % of the centenarians had preserved cognition. Centenarians with dementia had lower schooling (p < 0.01), lower body mass index (p = 0.02) and higher homocysteine levels (p < 0.01) and tended to have a lower systolic blood pressure (p = 0.05). Regarding the markers of inflammatory activity, demented subjects had high levels of interleukin-6 (p < 0.01), high-sensitivity C-reactive protein (p = 0.02), and erythrocyte sedimentation rate (p = 0.01) and lower albumin levels (p = 0.02) compared to centenarians without dementia. Concluding, centenarians with preserved cognition had better nutritional status, lower homocysteinemia, tendency to higher blood pressure and lower inflammatory activity compared to demented subjects.


Assuntos
Envelhecimento/fisiologia , Doenças Cardiovasculares/sangue , Cognição/fisiologia , Demência/epidemiologia , Inflamação/sangue , Fatores de Risco , Idoso de 80 Anos ou mais , Biomarcadores/sangue , Proteína C-Reativa/metabolismo , Estudos de Casos e Controles , Estudos Transversais , Feminino , Avaliação Geriátrica , Humanos , Masculino , Testes Neuropsicológicos , Vigilância da População
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