ArticlePediatric nephrology (Berlin, Germany)2022
Potassium and fiber: a controversial couple in the nutritional management of children with chronic kidney disease.
Article in Pediatric nephrology (Berlin, Germany), 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
7 citing papers in PubMed, 10 citations in OpenAlex.
- Gut microbiota-targeted therapies in pediatric chronic kidney disease: gaps and opportunities.Pediatric nephrology (Berlin, Germany) · 2026Review
- Potassium and the kidney.Nature reviews. Nephrology · 2026Review
- Predictors of hyperkalemia in pediatric patients on dialysis: international prospective observational study.Pediatric nephrology (Berlin, Germany) · 2025Observational
- Assessment of Within- and Inter-Patient Variability of Uremic Toxin Concentrations in Children with CKD.Toxins · 2024Article
- The potassium puzzle: exploring the intriguing connection to albuminuria.Frontiers in nutrition · 2024Article
- Re-Thinking Hyperkalaemia Management in Chronic Kidney Disease-Beyond Food Tables and Nutrition Myths: An Evidence-Based Practice Review.Nutrients · 2023Review
- The benefits of dietary fiber: the gastrointestinal tract and beyond.Pediatric nephrology (Berlin, Germany) · 2023Review
Corrections and comments
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Authors and funding
11 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundFruit and vegetable intake is commonly discouraged in children with chronic kidney disease (CKD) to avoid hyperkalemia. However, direct evidence in support of this widespread practice is lacking. Furthermore, the resultant restricted fiber exposure may deprive CKD patients from potential health benefits associated with the latter. Therefore, we investigated associations between dietary potassium intake, fiber intake, and serum potassium levels in pediatric CKD.
methodsThis study is a longitudinal analysis of a 2-year, prospective, multi-institutional study, following children with CKD at 3-month intervals. At each visit, dietary potassium and fiber intake were assessed, using 24-h recalls and 3-day food records. On the same occasion, serum potassium concentrations were determined. Associations between dietary potassium intake, dietary fiber intake, and serum potassium concentrations were determined using linear mixed models.
resultsFifty-two CKD patients (7 transplant recipients, none on dialysis) aged 9 [4;14] years with an estimated glomerular filtration rate (eGFR) of 49 [25;68] mL/min/1.73 m
conclusionsDietary potassium and fiber intake are closely related but were not associated with circulating potassium levels in pediatric CKD. A higher-resolution version of the graphical abstract is available as Supplementary information.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.