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Effect of dietary sodium and potassium intake on left ventricular diastolic function and mass in adults≤40 years (from the Strong Heart Study).
Am J Cardiol. 2015 May 01; 115(9):1244-8.AJ

Abstract

The aim of this study was to investigate whether intake of dietary sodium or potassium is related to changes in left ventricular (LV) diastolic functioning and LV mass index in young subjects with normal or elevated blood pressure. We prospectively analyzed echocardiographic data in 1,065 young adults (18 to 39 years) enrolled in the Strong Heart Family Study who were free from cardiovascular disease at baseline: 501 (47%) participants were normotensive and 564 (53%) were prehypertensive or hypertensive. Dietary sodium and potassium intakes were ascertained using a block food frequency questionnaire at baseline. Cardiac geometry and functioning were assessed at baseline and 4 years later. Marginal models were used to assess the associations of average intakes of sodium and potassium with echocardiographic measures. Participants with prehypertension or hypertension were older, had higher body mass index, and reported higher intakes of sodium than normotensive subjects at baseline. In prospective analyses, potassium intake was found to be negatively related to mitral E velocity (p=0.029) in normotensive subjects, whereas sodium/potassium ratio was positively associated with atrial filling fraction (p=0.017). In prehypertensive or hypertensive participants, sodium consumption was positively associated with atrial filling fraction (p=0.034) and an increase in sodium/potassium ratio was related to higher LV mass index (p=0.046). In conclusion, an increase in dietary sodium/potassium ratio was related to an accentuation of atrial phase LV diastolic filling in normotensive young subjects, whereas in prehypertensive or hypertensive subjects it was associated with higher LV mass index.

Authors+Show Affiliations

Department of Internal Medicine I, Comprehensive Heart Failure Center, University of Würzburg, Würzburg, Bavaria, Germany. Electronic address: Haring_B@ukw.de.Center for American Indian Health Research, College of Public Health, University of Oklahoma, Health Sciences Center, Oklahoma, Oklahoma.Center for American Indian Health Research, College of Public Health, University of Oklahoma, Health Sciences Center, Oklahoma, Oklahoma.Department of Cardiology, Yale University, New Haven, Connecticut.MedStar Health Research Institute, Hyattsville, Maryland; Georgetown and Howard Universities Centers for Translational Sciences, Washington.Greenberg Division of Cardiology, NewYork-Presbyterian Hospital/Weill Cornell Medical College, New York, New York.

Pub Type(s)

Journal Article
Research Support, N.I.H., Extramural

Language

eng

PubMed ID

25769626

Citation

Haring, Bernhard, et al. "Effect of Dietary Sodium and Potassium Intake On Left Ventricular Diastolic Function and Mass in Adults≤40 Years (from the Strong Heart Study)." The American Journal of Cardiology, vol. 115, no. 9, 2015, pp. 1244-8.
Haring B, Wang W, Lee ET, et al. Effect of dietary sodium and potassium intake on left ventricular diastolic function and mass in adults≤40 years (from the Strong Heart Study). Am J Cardiol. 2015;115(9):1244-8.
Haring, B., Wang, W., Lee, E. T., Jhamnani, S., Howard, B. V., & Devereux, R. B. (2015). Effect of dietary sodium and potassium intake on left ventricular diastolic function and mass in adults≤40 years (from the Strong Heart Study). The American Journal of Cardiology, 115(9), 1244-8. https://doi.org/10.1016/j.amjcard.2015.02.008
Haring B, et al. Effect of Dietary Sodium and Potassium Intake On Left Ventricular Diastolic Function and Mass in Adults≤40 Years (from the Strong Heart Study). Am J Cardiol. 2015 May 1;115(9):1244-8. PubMed PMID: 25769626.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Effect of dietary sodium and potassium intake on left ventricular diastolic function and mass in adults≤40 years (from the Strong Heart Study). AU - Haring,Bernhard, AU - Wang,Wenyu, AU - Lee,Elisa T, AU - Jhamnani,Sunny, AU - Howard,Barbara V, AU - Devereux,Richard B, Y1 - 2015/02/12/ PY - 2014/12/05/received PY - 2015/02/03/revised PY - 2015/02/03/accepted PY - 2015/3/15/entrez PY - 2015/3/15/pubmed PY - 2015/6/27/medline SP - 1244 EP - 8 JF - The American journal of cardiology JO - Am. J. Cardiol. VL - 115 IS - 9 N2 - The aim of this study was to investigate whether intake of dietary sodium or potassium is related to changes in left ventricular (LV) diastolic functioning and LV mass index in young subjects with normal or elevated blood pressure. We prospectively analyzed echocardiographic data in 1,065 young adults (18 to 39 years) enrolled in the Strong Heart Family Study who were free from cardiovascular disease at baseline: 501 (47%) participants were normotensive and 564 (53%) were prehypertensive or hypertensive. Dietary sodium and potassium intakes were ascertained using a block food frequency questionnaire at baseline. Cardiac geometry and functioning were assessed at baseline and 4 years later. Marginal models were used to assess the associations of average intakes of sodium and potassium with echocardiographic measures. Participants with prehypertension or hypertension were older, had higher body mass index, and reported higher intakes of sodium than normotensive subjects at baseline. In prospective analyses, potassium intake was found to be negatively related to mitral E velocity (p=0.029) in normotensive subjects, whereas sodium/potassium ratio was positively associated with atrial filling fraction (p=0.017). In prehypertensive or hypertensive participants, sodium consumption was positively associated with atrial filling fraction (p=0.034) and an increase in sodium/potassium ratio was related to higher LV mass index (p=0.046). In conclusion, an increase in dietary sodium/potassium ratio was related to an accentuation of atrial phase LV diastolic filling in normotensive young subjects, whereas in prehypertensive or hypertensive subjects it was associated with higher LV mass index. SN - 1879-1913 UR - https://www.unboundmedicine.com/medline/citation/25769626/Effect_of_dietary_sodium_and_potassium_intake_on_left_ventricular_diastolic_function_and_mass_in_adults≤40_years__from_the_Strong_Heart_Study__ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0002-9149(15)00697-9 DB - PRIME DP - Unbound Medicine ER -