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KMID : 0363420120260030001
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Journal of Korean Oriental Pediatrics
2012 Volume.26 No. 3 p.1 ~ p.11
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A Study on Relations between Skeletal Maturity and Heart Rate Variability
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Lee Hye-Lim
Han Jae-Kyung
Kim Yun-Hee
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Abstract
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Objectives: The purpose of this study is to examine the relationship between skeletal maturity and heart rate variability (HRV) based on the bone age and HRV parameters.
Methods: 103 children from 6 years to 17 years of age, who do not have any disease-related symptom, and visited oriental medicine hospital, are measured based on their bone age and short-term spectral analysis of HRV.
Results: 1. Skeletal maturity was significantly correlated with HRV indices: mean HRT and SDNN. As the skeletal maturity increases, the mean HRT was decreased and the SDNN was increased. 2. When classifying according to the skeletal maturity score, the mean HRT was higher in the ’below -0.4’ group compare to ’-0.3~0.7’ group and ’0.8~1.9’ group. SDNN was higher in the ’0.8~1.9’ group compare to ’-0.3~0.7’ group, ’below -0.4’ group 3. When classifying according to the sex, age and secondary sexual characteristics, as the skeletal maturity was increased, the mean HRT was significantly decreased and the SDNN was significantly increased only in the boys who did not develop secondary sexual characteristics.
Conclusions: Skeletal maturity could be statistically significant with HRV indices, especially to the boys and the children than the girls and the teenagers.
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KEYWORD
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Growth, Skeletal Maturity, Bone Age, Heart Rate Variability
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