, Volume 27, Issue 10, pp 1929-1935
Date: 19 May 2012

Ambulatory blood pressure monitoring and cardiac hypertrophy in children with metabolic syndrome

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The metabolic syndrome (MS), a cluster of potent risk factors for cardiovascular disease, is composed of insulin resistance, obesity, hypertension and hyperlipidemia. The aim of our study was to investigated the relationships between MS and left ventricular mass index (LVMI) in childhood MS. This study included 50 children and adolescents with MS aged between 7–18 years.


Thirty age- and sex-matched healthy children served as a control group. The diagnosis of MS was made according to the criteria adapted from the World Health Organization. They underwent clinical examination with causal blood pressure (BP) measurements, 24-hour ambulatory blood pressure monitoring (ABPM) and echocardiogram. Patients underwent echocardiography to detect left ventricular hypertrophy (LVH). LVMI was calculated as left ventricular mass/height2.7.


The mean age of MS group was 12.0 ± 3.1 years. The mean value of LVMI was 46.5 ± 11.5 g/m2.7 in the MS group and it was significantly higher than those in the healthy children. The prevalence of severe LVH was 12 % using adult criteria (LVM > 51 g/m2.7) and 44 % using pediatric criteria (LVM > 95th percentile). The mean daytime systolic BP load (β = 0.315, p = 0.003) and HOMA-IR (β = 0.368, p = 0.006) were found as the independent predictors of LVMI.


In conclusion, LVH occurs commonly in pediatric MS and is associated with systolic hypertension and insulin resistance. LVMI should be measured routinely for the predicting of cardiovascular risks in these patients.