Cited by 308Sodium Intake and HealthBlood Pressure and Hypertension StudiesChronic Kidney Disease and Diabetes

The DOI matches its Crossref record; 45 of the 45 references it cites were found in a registry or an index.

A Randomized Trial of Dietary Sodium Restriction in CKD

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Abstract

There is a paucity of quality evidence regarding the effects of sodium restriction in patients with CKD, particularly in patients with pre-end stage CKD, where controlling modifiable risk factors may be especially important for delaying CKD progression and cardiovascular events. We conducted a double-blind placebo-controlled randomized crossover trial assessing the effects of high versus low sodium intake on ambulatory BP, 24-hour protein and albumin excretion, fluid status (body composition monitor), renin and aldosterone levels, and arterial stiffness (pulse wave velocity and augmentation index) in 20 adult patients with hypertensive stage 3-4 CKD as phase 1 of the LowSALT CKD study. Overall, salt restriction resulted in statistically significant and clinically important reductions in BP (mean reduction of systolic/diastolic BP, 10/4 mm Hg; 95% confidence interval, 5 to 15 /1 to 6 mm Hg), extracellular fluid volume, albuminuria, and proteinuria in patients with moderate-to-severe CKD. The magnitude of change was more pronounced than the magnitude reported in patients without CKD, suggesting that patients with CKD are particularly salt sensitive. Although studies with longer intervention times and larger sample sizes are needed to confirm these benefits, this study indicates that sodium restriction should be emphasized in the management of patients with CKD as a means to reduce cardiovascular risk and risk for CKD progression.

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Crossref · 10.1681/asn.2013030285

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Metadata

Authors
McMahon, E. J., Bauer, J. D., Hawley, C. M., Isbel, N. M., Stowasser, M., Johnson, D. W., & Campbell, K. L.
Affiliations
The University of Queensland (AU)
Corresponding author
  • McMahon, Emma J.
  • Hawley, Carmel M.
  • Isbel, Nicole M.
  • Stowasser, Michael
  • Johnson, David W.
  • Campbell, Katrina L.
Venue
Journal of the American Society of Nephrology
Published
2013-12
Volume
24
Issue
12
Pages
2096-2103
ISSN
1046-6673 (ISSN-L)
OpenAlex
W2144043457
Cited by
308
References
45
Citations by year
2026: 12 · 2025: 9 · 2024: 20 · 2023: 20 · 2022: 24 · 2021: 29 · 2020: 34 · 2019: 21 · 2018: 31 · 2017: 30 · 2016: 21 · 2015: 32 · 2014: 24 · 2013: 1
FWCI
24.04
Type
journal article
Language
en
Open access
Locations
  • Journal of the American Society of Nephrology (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • Adelaide Research & Scholarship (AR&S) (University of Adelaide) (submittedVersion)
Funders
Fresenius Medical Care North America
Topics
  • Health Sciences › Nursing › Nutrition and Dietetics › Sodium Intake and Health
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Blood Pressure and Hypertension Studies
  • Health Sciences › Medicine › Nephrology › Chronic Kidney Disease and Diabetes
Keywords
dietary sodium restriction, chronic kidney disease, hypertension, blood pressure reduction, albuminuria, proteinuria, extracellular volume, arterial stiffness, pulse wave velocity, augmentation index, renin, aldosterone, salt sensitivity, cardiovascular risk, chronic kidney disease progression, volume status
MeSH terms
Aged, Blood Pressure, Diet, Sodium-Restricted, Double-Blind Method, Female, Humans, Hypertension, Renal, Male, Middle Aged, New Zealand, Patient Compliance, Risk Factors, Treatment Outcome, Sodium Chloride, Dietary, Cross-Over Studies, Risk Reduction Behavior, Renal Insufficiency, Chronic

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