期刊
PEDIATRIC CARDIOLOGY
卷 40, 期 6, 页码 1253-1257出版社
SPRINGER
DOI: 10.1007/s00246-019-02145-9
关键词
Hypertrophic cardiomyopathy; Defibrillator; Obesity; Sudden death
资金
- Medtronic [CR-1651]
Obesity is associated with additional left ventricular hypertrophy (LVH) in adults with hypertrophic cardiomyopathy (HCM). It is not known whether obesity can lead to further LVH in children with HCM. Echocardiographic LV dimensions were determined in 504 children with HCM. Measurements of interventricular septal thickness (IVST) and posterior wall thickness (PWT), and patients' weight and height were recorded. Obesity was defined as a body mass index (BMI) >= 99th percentile for age and sex. IVST data was available for 498 and PWT data for 484 patients. Patient age ranged from 2 to 20 years (mean +/- SD, 12.5 +/- 3.9) and 340 (68%) were males. Overall, patient BMI ranged from 7 to 50 (22.7 +/- 6.1). Obesity (BMI 18-50, mean 29.1) was present in 140 children aged 2-19.6 (11.3 +/- 4.1). The overall mean IVST was 20.5 +/- 9.6 mm and the overall mean PWT was 11.0 +/- 8.4 mm. The mean IVST in the obese patients was 21.6 +/- 10.0 mm and mean PWT was 13.3 +/- 14.7 mm. The mean IVST in the non-obese patients was 20.1 +/- 9.5 mm and mean PWT was 10.4 +/- 4.3 mm. Obesity was not significantly associated with IVST (p = 0.12), but was associated with increased PWT (0.0011). Obesity is associated with increased PWT but not IVST in children with HCM. Whether obesity and its impact on LVH influences clinical outcomes in children with HCM needs to be studied.
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