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      Seguimiento de la función renal y factores que influyen en su evolución en una cohorte de personas de 65 a 74 años de edad Translated title: Renal function monitoring and factors influencing its evolution in a cohort of persons aged 65-74

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          Abstract

          RESUMEN Objetivos: Estudiar la evolución de la función renal en el anciano joven en un periodo de cuatro años. Diseño: Observacional, descriptivo, longitudinal Emplazamiento: Centro de Salud urbano. Participantes: Población de entre 65 y 74 años asignado a un Centro de Salud. Mediciones Principales: Creatinina y filtrado glomerular según CKD-EPI. Ademas, variables sociodemográficas, factores de riesgo cardiovascular y número de enfermedades crónicas y fármacos. Resultados: La muestra inicial fueron 557 pacientes con un 13,1 % de pérdidas al final del estudio. Al inicio, edad media de 68,9 años, con un 55,1 % de mujeres. La creatinina media evolucionó desde 0,87 mg/dl (IC95% 0,83-0,91) a 0,94 (IC95% 0,87-0,99) (p<0,05). El filtrado glomerular medio desde 79,1 ml/min (IC 95% 77,9-80,4) a 74,65 (IC95% 73,3-76,0) (p<0,001), con una reducción media de 4,3 ml/min (IC 95% 3,4-5,2). En el corte inicial 10,2 % (IC95% 7,7- 12,7) presentaban IRC, pasando dicha cifra al 15,3 % (IC95% 12,1-18,5) al final, encuadrándose todo el aumento en el estadio 3. En el análisis bivariante se encontró asociación entre una mayor disminución de filtrado y la presencia de HTA (p<0,05), número de patologías (p<0,01) y el sexo femenino (p<0,05). Sin embargo, en el análisis multivariante sólo el sexo femenino se mantuvo con una asociación significativa (p<0,05) y la HTA casi significativa (p<0,1), pero con diferencias clínicamente irrelevantes. Conclusiones: En ancianos jóvenes, la función renal parece presentar una muy lenta reducción a lo largo del tiempo, ligeramente superior en mujeres. Podría plantearse el espaciamento de las determinaciones de dicha función renal en la población general de este grupo de edad.

          Translated abstract

          ABSTRACT Objectives: To study the evolution of renal function in younger elderly persons over a period of four years. Design: Observational, descriptive, longitudinal study. Setting: Urban health centre Participants: Population between 65 and 74 years of age assigned to a health centre Main measures: Creatinine and glomerular filtration rate according to CKD-EPI. Also sociodemographic variables, cardiovascular risk factors, and number of chronic diseases and drugs Results: The initial sample included 557 patients, with 12.9 % loss at the end of the study. At the start, the average age was 68.9 years, with 55.1 % women. The mean creatinine evolved from 0.87 mg/dl (95% CI 0.83-0.91) to 0.94 (95%CI 0.87-0.99) (p<0.05). The mean glomerular filtration rate evolved from 79.1 ml/min (95% CI 77.9-80.4) to 74.65 (95% CI 73.3-76.0) (p<0.001), with an average decrease of 4.3 ml/min (95% CI 3.4-5.2). Initially, 10.2% of patients (95% CI 7.7-12.7) presented chronic kidney failure, which increased to 15.3 % (95% CI 12.1-18.5) at the end, being all the increase within stage 3. The bivariate analysis showed association between greater decline of filtration rate and presence of high blood pressure (p<0.05), number of diseases (p<0.01) and female sex (p<0.05). However, in the multivariate analysis only female sex kept a significant association (p<0.05), and high blood pressure had a nearly significant association (p<0.1), but with clinically irrelevant differences. Conclusions: Among younger elderly patients, the renal function seems to present a very slow decline over time, which is slightly greater in women. Spacing of renal function determinations could be considered in general population of this age group .

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          Most cited references25

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          KDIGO 2012 clinical practice guideline for the evaluation and management of chronic kidney disease

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            Kidney disease as a risk factor for development of cardiovascular disease: a statement from the American Heart Association Councils on Kidney in Cardiovascular Disease, High Blood Pressure Research, Clinical Cardiology, and Epidemiology and Prevention.

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              Progression of kidney dysfunction in the community-dwelling elderly.

              Despite the high prevalence of chronic kidney disease among the elderly, few studies have described their loss of kidney function. We sought to determine the progression of kidney dysfunction among a community-based cohort of elderly subjects. The cohort included 10 184 subjects 66 years of age or older, who had one or more outpatient serum creatinine measurements during each of two time periods: 1 July to 31 December 2001 and 1 July to 31 December 2003. A mixed effects model, including covariates for age, gender, diabetes mellitus, and comorbidity, was used to determine the rate of decline in estimated glomerular filtration rate (eGFR, in ml/min/1.73 m2) per year over a median follow-up of 2.0 years. Subjects with diabetes mellitus had the greatest decline in eGFR of 2.1 (95% CI 1.8-2.5) and 2.7 (95% CI 2.3-3.1) ml/min/1.73 m2 per year in women and men, respectively. The rate of decline for women and men without diabetes mellitus was 0.8 (95% CI 0.6-1.0) and 1.4 (95% CI 1.2-1.6) ml/min/1.73 m2 per year. Subjects with a study mean eGFR<30 ml/min/1.73 m2, both those with and without diabetes mellitus, experienced the greatest decline in eGFR. In conclusion, we found that the majority of elderly subjects have no or minimal progression of kidney disease over 2 years. Strategies aimed at slowing progression of kidney disease should consider underlying risk factors for progression and the negligible loss of kidney function that occurs in the majority of older adults.
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                Author and article information

                Journal
                albacete
                Revista Clínica de Medicina de Familia
                Rev Clin Med Fam
                Sociedad Castellano-Manchega de Medicina de Familia y Comunitaria (Albacete, Castilla La Mancha, Spain )
                1699-695X
                2386-8201
                2020
                : 13
                : 2
                : 116-122
                Affiliations
                [3] Toledo orgnameCentro de Salud “Sillería” España
                [2] Toledo orgnameHospital “Virgen de la Salud” Spain
                [1] Toledo orgnameUnidad Docente de Toledo España
                Article
                S1699-695X2020000200003 S1699-695X(20)01300200003
                ad83209b-31ca-4404-9fe2-d130a4524c3d

                This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

                History
                : 24 April 2020
                : 11 March 2020
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 25, Pages: 7
                Product

                SciELO Spain

                Categories
                Originales

                Prevalence,Atención Primaria,Enfermedad renal crónica,Primary care,Renal Insufficiency Chronic,Aged,Anciano,Prevalencia

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