Understanding Red Blood Cell Parameters In The Context Of The Frailty Phenotype: Interpretations Of The Fibra (frailty In Brazilian Seniors) Study

dc.creatorSilva J.C.
dc.creatorde Moraes Z.V.
dc.creatorSilva C.
dc.creatorde Barros Mazon S.
dc.creatorGuariento M.E.
dc.creatorNeri A.L.
dc.creatorFattori A.
dc.date2014
dc.date2015-06-25T18:02:32Z
dc.date2015-11-26T15:04:40Z
dc.date2015-06-25T18:02:32Z
dc.date2015-11-26T15:04:40Z
dc.date.accessioned2018-03-28T22:15:29Z
dc.date.available2018-03-28T22:15:29Z
dc.identifier
dc.identifierArchives Of Gerontology And Geriatrics. Elsevier Ireland Ltd, v. 59, n. 3, p. 636 - 641, 2014.
dc.identifier1674943
dc.identifier10.1016/j.archger.2014.07.014
dc.identifierhttp://www.scopus.com/inward/record.url?eid=2-s2.0-84908613245&partnerID=40&md5=185b42f0b384169a7c6e2c1fa9386458
dc.identifierhttp://www.repositorio.unicamp.br/handle/REPOSIP/87852
dc.identifierhttp://repositorio.unicamp.br/jspui/handle/REPOSIP/87852
dc.identifier2-s2.0-84908613245
dc.identifier.urihttp://repositorioslatinoamericanos.uchile.cl/handle/2250/1256902
dc.descriptionFrailty and anemia in the elderly appear to share a common pathophysiology associated with chronic inflammatory processes. This study uses an analytical, cross-sectional, population-based methodology to investigate the probable relationships between frailty, red blood cell parameters and inflammatory markers in 255 community-dwelling elders aged 65 years or older. The frailty phenotype was assessed by non-intentional weight loss, fatigue, low grip strength, low energy expenditure and reduced gait speed. Blood sample analyses were performed to determine hemoglobin level, hematocrit and reticulocyte count, as well as the inflammatory variables IL-6, IL-1ra and hsCRP. In the first multivariate analysis (model I), considering only the erythroid parameters, Hb concentration was a significant variable for both general frailty status and weight loss: a 1.0. g/dL drop in serum Hb concentration represented a 2.02-fold increase (CI 1.12-3.63) in an individual's chance of being frail. In the second analysis (model II), which also included inflammatory cytokine levels, hsCRP was independently selected as a significant variable. Each additional year of age represented a 1.21-fold increase in the chance of being frail, and each 1-unit increase in serum hsCRP represented a 3.64-fold increase in the chance of having the frailty phenotype. In model II reticulocyte counts were associated with weight loss and reduced metabolic expenditure criteria. Our findings suggest that reduced Hb concentration, reduced RetAbs count and elevated serum hsCRP levels should be considered components of frailty, which in turn is correlated with sarcopenia, as evidenced by weight loss.
dc.description59
dc.description3
dc.description636
dc.description641
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dc.languageen
dc.publisherElsevier Ireland Ltd
dc.relationArchives of Gerontology and Geriatrics
dc.rightsfechado
dc.sourceScopus
dc.titleUnderstanding Red Blood Cell Parameters In The Context Of The Frailty Phenotype: Interpretations Of The Fibra (frailty In Brazilian Seniors) Study
dc.typeArtículos de revistas


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