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Title: Cardiac dimensions and function in children with obesity
Authors: Anant Khositseth
Umaporn Suthutvoravut
Nalinee Chongviriyaphan
Suwanna Ruangkanchanasetr
Mahidol University
Faculty of Medicine, Ramathibodi Hospital, Mahidol University
Keywords: Medicine
Issue Date: 1-Nov-2006
Citation: Indian Heart Journal. Vol.58, No.6 (2006), 422-425
Abstract: BACKGROUND: Obesity can cause alterations in cardiac dimensions and function, and cardiac dysfunction during childhood may affect the quality of life in adulthood. This study was done to evaluate left ventricular dimensions, systolic function, and the left ventricular myocardial performance index in children with obesity. MEHTODS AND RESULTS: Thirty-three obese children whose mean age was 9.8 ± 2.4 years, weight was 61.3 ± 20.8 kg, body mass index was 29.5 ± 5.8 kg/m2, and percentage of actual weight to ideal body weight for height (% IBW) was 170 ± 25%, underwent echocardiography for the assessment of left ventricular dimensions, and systolic and global functions. There were 2, 14, and 17 children with mild (< 140% IBW), moderate (141-160% IBW), and severe obesity (> 160% IBW), respectively. The mean ratio of left ventricular end-diastolic dimension to predicted left ventricular end-diastolic dimension expressed in percentage was 98.3 ± 7.8%, the left ventricular shortening fraction was 37.5 ± 4.9%, and the left ventricular ejection fraction was 67.5 ± 5.9%. All were within the normal range, with the exception of two children (6%) who had mild left ventricular dilatation. The mean left ventricular myocardial performance index was 0.35 ± 0.08. However, 11 children (33%) had an abnormal index (< 0.4). The severity of obesity did not correlate with the global left ventricular dysfunction. CONCLUSION: The left ventricular dimensions and systolic function in children with obesity were essentially normal. The left ventricular myocardial performance index, which is an indicator for left ventricular global function, was found to be abnormal in 33% of the children, and may be used for the early detection of left ventricular global dysfunction.
ISSN: 00194832
Appears in Collections:Scopus 2006-2010

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