Masked hypertension associates with left ventricular hypertrophy in children with CKD

Mark Mitsnefes, Joseph Flynn, Silvia Cohn, Joshua Samuels, Tom Blydt-Hansen, Jeffrey Saland, Thomas Kimball, Susan Furth, Bradley Warady

Research output: Contribution to journalArticle

Abstract

Left ventricular hypertrophy (LVH) associates with increased risk for cardiovascular disease. Hypertension leads to LVH in adults, but its role in the pathogenesis of LVH in children is not as well established. To examine left ventricular mass and evaluate factors associated with LVH in children with stages 2 through 4 chronic kidney disease (CKD), we analyzed cross-sectional data from children who had baseline echocardiography (n = 366) and underwent ambulatory BP monitoring (n = 226) as a part of the observational Chronic Kidney Disease in Children (CKiD) cohort study. At baseline, 17% of children had LVH (11% eccentric and 6% concentric) and 9% had concentric remodeling of the left ventricle. On the basis of a combination of ambulatory and casual BP assessment (n = 198), 38% of children had masked hypertension (normal casual but elevated ambulatory BP) and 18% had confirmed hypertension (both elevated casual and ambulatory BP). There was no significant association between LVH and kidney function. LVH was more common in children with either confirmed (34%) or masked (20%) hypertension compared with children with normal casual and ambulatory BP (8%). In multivariable analysis, masked (odds ratio 4.1) and confirmed (odds ratio 4.3) hypertension were the strongest independent predictors of LVH. In conclusion, casual BP measurements alone are insufficient to predict the presence of LVH in children with CKD. The high prevalence of masked hypertension and its association with LVH supports early echocardiography and ambulatory BP monitoring to evaluate cardiovascular risk in children with CKD.

Original languageEnglish (US)
Pages (from-to)137-144
Number of pages8
JournalJournal of the American Society of Nephrology
Volume21
Issue number1
DOIs
StatePublished - Jan 2010

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Masked Hypertension
Left Ventricular Hypertrophy
Chronic Renal Insufficiency
Ambulatory Monitoring
Hypertension
Echocardiography
Odds Ratio
Ventricular Remodeling

ASJC Scopus subject areas

  • Nephrology

Cite this

Mitsnefes, M., Flynn, J., Cohn, S., Samuels, J., Blydt-Hansen, T., Saland, J., ... Warady, B. (2010). Masked hypertension associates with left ventricular hypertrophy in children with CKD. Journal of the American Society of Nephrology, 21(1), 137-144. https://doi.org/10.1681/ASN.2009060609

Masked hypertension associates with left ventricular hypertrophy in children with CKD. / Mitsnefes, Mark; Flynn, Joseph; Cohn, Silvia; Samuels, Joshua; Blydt-Hansen, Tom; Saland, Jeffrey; Kimball, Thomas; Furth, Susan; Warady, Bradley.

In: Journal of the American Society of Nephrology, Vol. 21, No. 1, 01.2010, p. 137-144.

Research output: Contribution to journalArticle

Mitsnefes, M, Flynn, J, Cohn, S, Samuels, J, Blydt-Hansen, T, Saland, J, Kimball, T, Furth, S & Warady, B 2010, 'Masked hypertension associates with left ventricular hypertrophy in children with CKD', Journal of the American Society of Nephrology, vol. 21, no. 1, pp. 137-144. https://doi.org/10.1681/ASN.2009060609
Mitsnefes, Mark ; Flynn, Joseph ; Cohn, Silvia ; Samuels, Joshua ; Blydt-Hansen, Tom ; Saland, Jeffrey ; Kimball, Thomas ; Furth, Susan ; Warady, Bradley. / Masked hypertension associates with left ventricular hypertrophy in children with CKD. In: Journal of the American Society of Nephrology. 2010 ; Vol. 21, No. 1. pp. 137-144.
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