Aerobic fitness related to cardiovascular risk factors in young children

Magnus Dencker, Ola Thorsson, Magnus K Karlsson, Christian Lindén, Per Wollmer, Lars B Andersen

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Abstrakt

Low aerobic fitness (maximum oxygen uptake (VO(2PEAK))) is predictive for poor health in adults. In a cross-sectional study, we assessed if VO(2PEAK) is related to a composite risk factor score for cardiovascular disease (CVD) in 243 children (136 boys and 107 girls) aged 8 to 11 years. VO(2PEAK) was assessed by indirect calorimetry during a maximal exercise test and scaled by body mass (milliliters per minute per kilogram). Total body fat mass (TBF) and abdominal fat mass (AFM) were measured by Dual-energy X-ray absorptiometry. Total body fat was expressed as a percentage of total body mass (BF%) and body fat distribution as AFM/TBF. Systolic and diastolic blood pressure (SDP and DBP) and resting heart rate (RHR) were measured. The mean artery pressure (MAP) and pulse pressure (PP) were calculated. Echocardiography, 2D-guided M-mode, was performed. Left atrial diameter (LA) was measured and left ventricular mass (LVM) and relative wall thickness (RWT) were calculated. Z scores (value for the individual - mean value for group)/SD were calculated by sex. The sum of z scores for DBP, SDP, PP, MAP, RHR, LVM, LA, RWT, BF%, AFM and AFM/TBF were calculated in boys and girls, separately, and used as composite risk factor score for CVD. Pearson correlation revealed significant associations between VO(2PEAK) and composite risk factor score in both boys (r = -0.48 P 
OriginalsprogEngelsk
TidsskriftEuropean Journal of Pediatrics
Vol/bind171
Udgave nummer4
Sider (fra-til)705-710
Antal sider6
ISSN0340-6199
DOI
StatusUdgivet - 2012

Bibliografisk note

Published online: 13 December 2011

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