Diet revision in overweight children: effect on autonomic and vascular function.

In an effort to determine the effect of a 5-month dietary modification on measures of vascular and cardiac autonomic (cANS) function in overweight (OW) children, 15 OW children had standard non-invasive measures of vascular and cANS function assessed pre- and post intervention. Body fat percentage and cANS, but not vascular, function changed significantly after the intervention. Changes in body composition in OW children due to dietary modification alone can result in modest improvements in indices of cardiac risk.