PMID: 19122247Mar 1, 2007Paper

Cardiac dimensions and function in children with obesity

Indian Heart Journal
Anant KhositsethSuwanna Ruangkanchanasetr

Abstract

Obesity can cause alterations in cardiac dimensions and function. Cardiac dysfunction during childhood may affect the quality of life in adulthood. This study evaluated left ventricular (LV) dimensions, systolic function and left ventricular myocardial performance index (LMPI) in children with obesity. Thirty-three obese children with mean age of 9.8 +/- 2.4 years, weight 61.3 +/- 20.8 kg, BMI 29.5 +/- 5.8 kg/m2 and percentage of actual weight to ideal body weight for height (%IBW) 170 +/- 25%, underwent echocardiography to assess LV dimensions, systolic and global functions. There were 2, 14 and 17 children with mild (<or= 140% IBW), moderate (141-160% IBW) and severe obesity (>160%IBW), respectively. The mean ratio of left ventricular end-diastolic dimension (LVEDD) to predicted LVEDD expressed in percentage (%LVEDD) was 98.3 +/- 7.8%, the left ventricular shortening fraction (LVFS) was 37.5 +/- 4.9% and the left ventricular ejection fraction (LVEF) was 67.5 +/- 5.9%. All were within normal range except that 2 children (6%) had mild LV dilatation. The mean LMPI was 0.35 +/- 0.08. However, 11 children (33%) had abnormal LMPI (>0.4). The severity of obese children did not correlate with the global LV dysfunction. The left ventr...Continue Reading

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