Evaluación de la ingesta dietética y excreción urinaria de sodio y potasio en adultos

Background: Hypertension is associated with elevated sodium and low potassium intakes. The determination of sodium and potassium intake by dietary records is inaccurate, being its measurement from 24-h urine collection the reference method. Aim: To determine urinary sodium and potassium excretion in...

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Autores principales:	Cornejo,Karen, Pizarro,Fernando, Atalah,Eduardo, Galgani,José E
Lenguaje:	Spanish / Castilian
Publicado:	Sociedad Médica de Santiago 2014
Materias:	Natriuresis Sodium dietary Potassium
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0034-98872014000600001
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spelling	oai:scielo:S0034-988720140006000012014-11-06Evaluación de la ingesta dietética y excreción urinaria de sodio y potasio en adultosCornejo,KarenPizarro,FernandoAtalah,EduardoGalgani,José E Natriuresis Sodium dietary Potassium Background: Hypertension is associated with elevated sodium and low potassium intakes. The determination of sodium and potassium intake by dietary records is inaccurate, being its measurement from 24-h urine collection the reference method. Aim: To determine urinary sodium and potassium excretion in adults. To compare dietary sodium and potassium intake and their excretion from an isolated urine sample against the reference method. Material and Methods: Seventy healthy adults aged 35 ± 8 years with a body mass index 25 ± 2 kg/m² (36 women) were studied. Urine was collected over 24 h, including an isolated urine sample taken in fasting conditions. Additionally, three 24-h dietary records were performed. Results: Reported sodium and potassium intake was 2,720 ± 567 and 1,068 ± 433 mg/day, respectively. In turn, urinary excretion of sodium and potassium was 4,770 ± 1,532 and 1,852 ± 559 mg/day, respectively. These latter values were significantly higher than those obtained by dietary records. Furthermore, the urinary sodium and potassium excretion estimated from an isolated urine sample was 4,839 ± 1,355 and 1,845 ± 494 mg/day, respectively. These values were similar to those obtained with a 24 h urine collection. Conclusions: Dietary records underestimated electrolyte intake when compared with the reference method. Using an isolated urine sample to estimate electrolyte intake may be a reliable alternative.info:eu-repo/semantics/openAccessSociedad Médica de SantiagoRevista médica de Chile v.142 n.6 20142014-06-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0034-98872014000600001es10.4067/S0034-98872014000600001
institution	Scielo Chile
collection	Scielo Chile
language	Spanish / Castilian
topic	Natriuresis Sodium dietary Potassium
spellingShingle	Natriuresis Sodium dietary Potassium Cornejo,Karen Pizarro,Fernando Atalah,Eduardo Galgani,José E Evaluación de la ingesta dietética y excreción urinaria de sodio y potasio en adultos
description	Background: Hypertension is associated with elevated sodium and low potassium intakes. The determination of sodium and potassium intake by dietary records is inaccurate, being its measurement from 24-h urine collection the reference method. Aim: To determine urinary sodium and potassium excretion in adults. To compare dietary sodium and potassium intake and their excretion from an isolated urine sample against the reference method. Material and Methods: Seventy healthy adults aged 35 ± 8 years with a body mass index 25 ± 2 kg/m² (36 women) were studied. Urine was collected over 24 h, including an isolated urine sample taken in fasting conditions. Additionally, three 24-h dietary records were performed. Results: Reported sodium and potassium intake was 2,720 ± 567 and 1,068 ± 433 mg/day, respectively. In turn, urinary excretion of sodium and potassium was 4,770 ± 1,532 and 1,852 ± 559 mg/day, respectively. These latter values were significantly higher than those obtained by dietary records. Furthermore, the urinary sodium and potassium excretion estimated from an isolated urine sample was 4,839 ± 1,355 and 1,845 ± 494 mg/day, respectively. These values were similar to those obtained with a 24 h urine collection. Conclusions: Dietary records underestimated electrolyte intake when compared with the reference method. Using an isolated urine sample to estimate electrolyte intake may be a reliable alternative.
author	Cornejo,Karen Pizarro,Fernando Atalah,Eduardo Galgani,José E
author_facet	Cornejo,Karen Pizarro,Fernando Atalah,Eduardo Galgani,José E
author_sort	Cornejo,Karen
title	Evaluación de la ingesta dietética y excreción urinaria de sodio y potasio en adultos
title_short	Evaluación de la ingesta dietética y excreción urinaria de sodio y potasio en adultos
title_full	Evaluación de la ingesta dietética y excreción urinaria de sodio y potasio en adultos
title_fullStr	Evaluación de la ingesta dietética y excreción urinaria de sodio y potasio en adultos
title_full_unstemmed	Evaluación de la ingesta dietética y excreción urinaria de sodio y potasio en adultos
title_sort	evaluación de la ingesta dietética y excreción urinaria de sodio y potasio en adultos
publisher	Sociedad Médica de Santiago
publishDate	2014
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0034-98872014000600001
work_keys_str_mv	AT cornejokaren evaluaciondelaingestadieteticayexcrecionurinariadesodioypotasioenadultos AT pizarrofernando evaluaciondelaingestadieteticayexcrecionurinariadesodioypotasioenadultos AT atalaheduardo evaluaciondelaingestadieteticayexcrecionurinariadesodioypotasioenadultos AT galganijosee evaluaciondelaingestadieteticayexcrecionurinariadesodioypotasioenadultos
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Evaluación de la ingesta dietética y excreción urinaria de sodio y potasio en adultos

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