An Ultradian Rhythm of Plantar Subcutaneous Temperature Affects Feeding Activity in Human Neonates
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概要
- 論文の詳細を見る
The establishment of smooth breastfeeding decreases the stress experienced by new mothers. Therefore, to elucidate the physiological factors related to the establishment of smooth breastfeeding, we examined the body temperatures, sleep-wakefulness cycles and feeding abilities of 56 full-term neonates. Feeding ability scores were derived from a combination off eeding states, feeding rates and suckling frequencies. Neonates were awake for a cycle of approximately 40 min and were in non-REM sleep for about 70 min. REM sleep emerged as the predominant form of sleep; however, the cycle was difficult to discriminate. The thoracic core temperature remained nearly constant at approximately 3 7℃ during both sleep and wakefulness. The plantar subcutaneous temperature reached its lowest point at the period close to feeding and its highest point during non-REM sleep after feeding. Neonates with a peak plantar temperature less than 35℃ showed REM sleep or wakefulness and a relatively low feeding ability score, whereas neonates with a peak temperature in the range of 35-37℃ showed non-REM sleep and high feeding ability scores. There was a significant positive correlation between the maximum plantar temperature and the feeding ability score and a significant negative correlation between maximum plantar temperature and the level of consciousness. Thus, neonates with higher plantar temperatures had a tendency to have a higher feeding ability and a capacity for entering into non-REM sleep.
- バイオメディカル・ファジィ・システム学会の論文
著者
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Higashi Hideho
Department Of Physiology Kurume University School Of Medicine
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Tanaka Eiichiro
Department Of Life Sciences Graduate School Of Arts And Sciences The University Of Tokyo
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Takefu Masasuke
Center For Comprehensive Community Medicine Faculty Of Medicine Saga University
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Fujita Ichiro
Department Of Architecture And Civil Engineering Kobe University
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Akaike Norio
Department Of Cellular And System Physiology Graduate School Of Medical Sciences Kyushu University
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Murai Yoshinaka
Department Of Applied Biology Kyoto Institute Of Technology
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Nagata Hanachiyo
Department Of Physiology School Of Medicine Kurume University:maternity Nursing Aso Nursing And Medi
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Nakano Masahiro
Deparment Of Physics Kyushu University
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TAKEFU Masasuke
Center for Comprehensive Community Medicine, Saga Medical School Faculty of Medicine, Saga University
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MURAI Yoshinaka
Department of Physiology, School of Medicine, Kurume University
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