新生児エネルギー代謝に関する研究

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  • 皆川 進
    東京医科歯科大学医学部衞生学教室

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タイトル別名
  • Studies on the Energy Metabolism of Newborns
  • シンセイジ エネルギー タイシャ ニ カンスル ケンキュウ

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The sequential variation of the energy metabolism of newborns from the beginning of the birth to one hour after were measured for about fifty subjects, especially considering the influences of the first birth.<br>The measurement was carried by the gas analysis method of expired air. The experimental results were followings.<br>1. The average energy consumption was 0.621Cal for 5min., from 15 to 20min. after the delivery, and 0.608Cal for 5min., immediately after the first bath.<br>2. The average energy consumption was 3.15Cal for one square metre of body area, for 5min., and 3.14Cal after the first bath.<br>3. The average energy consumption was 0.202Cal for one kilogram of body weight, for 5min., and was 0.202Cal immediately after the bath.<br>4. The total oxygen consumption for 5min., from 15 to 20min, after the delivery, was 0.126l, and 0.110l after the bath.<br>5. The R. Q. for 5min., from 15 to 20min. after the delivery, was 0.98, and 0.87 after the bath.<br>6. The value of Cal/5min., Cal/m2/5min., Cal/kg/5min. showed the tendency of diminishing for every five minutes from the beginning of the birth to one hour after, and no remarkable change was observed for the oxygen consumption.<br>7. The R. Q. value diminished from 0.98 to 0.88, for one hour observation.<br>Gennerally speaking, the obtained data were higher than that of shown in literatures, however, the measuring of energy metabolism of the newborns at the delivery time was not carried out by the other authors.

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