| Postnatal Weight Curve in Low Birth Weight(Appropriate for Gestational Age) Infants. |
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Kyoung Mi Park, Ran Namgung, Chul Lee, Dong Gwan Han |
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Department of Pediatrics, Yonsei University, College of Medicine, Seoul, Korea |
| 저출생 체중아(상당 체중아)의 생후 체중 변화에
관한 표준치 설정 |
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박경미, 남궁란, 이철, 한동관 |
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연세대학교 의과대학 소아과학교실 |
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Received: 11 July 1988 • Accepted: 1 November 1988 |
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| Abstract |
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Postnatal body weight changes were observed in 171 surviving infants with birth weights from 875
gm to 2,125 gm who were born at Severance Hospital, Yonsei University College of Medicine form
1981 to 1987.
Only infants whose sizes were appropriate for gestational age were included in the study. Infants
were divided into 5 groups by biπh weight, with the median weight were 2,000 gm, 1,750 gm, 1,500 gm,
1,250 gm, 1,000 gm. Each birth weight group was again subdivided into normal growth, mild morbid
growth, and severe morbid growth groups. The results were as follows:
1) For each birth weight group, there were no significant differences in postnatal weight change
between normal growth and mild morbid growth subgroups. Therefore, standard postnatal weight
curves were designed based on the postnatal weight changes of both the normal growth and mild
morbid growth group.
2) Comparing the postnatal weight curve of the standard group with that of Dancis (1948), there
was less postnatal weight loss and delayed recovery of birth weight in this study. But the gain in mean
daily body weight after maximal weight loss was greater in this study
3) The severe morbid growth group exhibited delayed growth when compared to the standard
growth group. In the severe morbid group, the duration of postnatal weight loss was prolonged and
the recovery of birth weight was delayed. Postnatal weight loss was greater and the mean daily body
weight gain after maximal weight loss was less than the standard growth group. This difference was
statistically significant in the birth weight group of 2000 gm and 1750 gm (p < 0.05). The mean calory
intake was less in the severe morbid growth group than in the standard growth group.
From the above results, the postnatal weight change of low birth weight infants was found to be
slightly different from that of Dancis (1948). Furthermore, much prolonged and excessive postnatal
weight loss is not usual even in low birth weight infants. When this occurs, evaluation and proper
treatment for underlying morbidity may be needed. |
| Key Words:
Postnatal weight curve, Low birth weight |
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