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KMID : 0644120160290030010
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Journal of Oriental Gynecology
2016 Volume.29 No. 3 p.10 ~ p.22
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A Study of the Characteristics of the HRV of the Girl Showing a Precocious Puberty
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Yang Seung-Jeong
Park Kyung-Mi
Cho Seong-Hee
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Abstract
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Objectives: The aim of the study was to investigate the characteristics of the
autonomic innervation of the heart in Precocious Puberty (PP) Girls.
Methods: We studied 87 girls visiting Dongshin University Suncheon Oriental
Medicine hospital from first Januarty 2013 to 31th December 2015. Among the 87
girls who were selected 14 people under the age of 8. The subjects were categorized
in two groups, 2 PP girls and 12 healthy controls. We studied the difference of Heart
rate variability (HRV) between two groups by Independent samples T-test using
SPSS for windows (version 22.0).
Results: The Standard deviation of all normal R-R intervals (SDNN), The
spuare root of the sum of the spuare of difference between adjacent normal R-R
intervals (RMS-SD) of PP group was non-significantly lower than non-PP group.
Total power (TP), Very low frequency power (VLF), High frequency power (HF),
Low frequency power (LF) of PP group was non-significantly lower than non-PP
group, LF/HF ratio of PP group was significantly higher than non-PP group.
Normalized high frequency power (HF norm) of PP group was non-significantly
lower than non-PP group. Normalized low frequency power (LF norm) of PP was
non-signficantly higher than non-PP group.
Conclusion: The results suggest that imbalance of sympathetic and parasympathetic
nervous system from girls of precocious puberty can be seen.
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KEYWORD
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Precocious Puberty, Heart Rate Variability, Autonomic Nervous System
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