FGF23 and Left Ventricular Hypertrophy in Children with CKD

High plasma concentration of fibroblast growth factor 23 (FGF23) is a risk factor for left ventricular hypertrophy (LVH) in adults with CKD, and induces myocardial hypertrophy in experimental CKD. We hypothesized that high FGF23 levels associate with a higher prevalence of LVH in children with CKD....

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Veröffentlicht in:Clinical journal of the American Society of Nephrology 2018-01, Vol.13 (1), p.45-52
Hauptverfasser: Mitsnefes, Mark M, Betoko, Aisha, Schneider, Michael F, Salusky, Isidro B, Wolf, Myles Selig, Jüppner, Harald, Warady, Bradley A, Furth, Susan L, Portale, Anthony A
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Sprache:eng
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Zusammenfassung:High plasma concentration of fibroblast growth factor 23 (FGF23) is a risk factor for left ventricular hypertrophy (LVH) in adults with CKD, and induces myocardial hypertrophy in experimental CKD. We hypothesized that high FGF23 levels associate with a higher prevalence of LVH in children with CKD. We performed echocardiograms and measured plasma C-terminal FGF23 concentrations in 587 children with mild-to-moderate CKD enrolled in the Chronic Kidney Disease in Children (CKiD) study. We used linear and logistic regression to analyze the association of plasma FGF23 with left ventricular mass index (LVMI) and LVH (LVMI ≥95th percentile), adjusted for demographics, body mass index, eGFR, and CKD-specific factors. We also examined the relationship between FGF23 and LVH by eGFR level. Median age was 12 years (interquartile range, 8-15) and eGFR was 50 ml/min per 1.73 m (interquartile range, 38-64). Overall prevalence of LVH was 11%. After adjustment for demographics and body mass index, the odds of having LVH was higher by 2.53 (95% confidence interval, 1.28 to 4.97;
ISSN:1555-9041
1555-905X
DOI:10.2215/CJN.02110217