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Impact of early weight loss on growth of Caesarean delivered babies: how long does it last?

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Title: Impact of early weight loss on growth of Caesarean delivered babies: how long does it last?
Authors: Bakar, F. T. (AUTHOR), Ozen, A. (AUTHOR), Karatepe, H. Ö. (AUTHOR), Berber, M. (AUTHOR), Ercan, H. (AUTHOR)
Source: Child: Care, Health & Development. Sep2012, Vol. 38 Issue 5, p706-713. 8p. 2 Charts, 4 Graphs.
Subjects: Analysis of variance, Birth weight, Cesarean section, Confidence intervals, Statistical correlation, Epidemiology, Gestational age, Human growth, Regression analysis, Weight loss, Data analysis, Predictive tests, Receiver operating characteristic curves, Data analysis software, Descriptive statistics
Abstract: Background We hypothesized that Caesarean delivered babies might experience excessive weight loss during neonatal period. Aim To investigate amount of weight loss among Caesarean delivered babies with exclusive breastfeeding and to identify role of relative weight change (RWC) in early postnatal period on the growth of infants in subsequent months. Methods We studied healthy infants born ≥36 completed weeks, by Caesarean section between September 2008 and August 2009, with Apgar scores >7. Weight measurements were performed at birth, at 24 h postpartum and at days 2, 4, 7, 14, 30 and monthly up to 6 months. Predictive roles of RWC at each assessment on detecting excessive weight loss and poor weight gain in 1st month, as well as bodyweight z scores in subsequent months were assessed. Results We studied 160 infants (88 female, 72 male) with a mean gestational age of 38.01 ± 1 weeks and birthweight of 3239 ± 421 g. Overall, 22.5% of infants lost >10% of birthweight; 11.9% at day 2, 16.9% at day 4 and 6.6% at day 7. Degree of weight loss was not related with parity, gestational age, birthweight or type of anaesthesia. Predictive values of RWCs in detecting poor weight gain in 0-30 days were: 2nd day; limit =−9.4%, specificity = 91.5%, 4th day; limit =−10.2%, specificity = 89.4%, 7th day; limit =−6.3%, specificity = 85%, sensitivity = 78%, 14th day; limit =+0.8%, specificity = 91.5%, sensitivity = 83.3%. Adjusting for birthweight z scores, RWC at 14th day had a significant influence on 1st and 2nd month bodyweight z scores. Bodyweight z scores were significantly correlated with the z scores of bodyweight in 1-5 months but not with that of 6 months. Conclusion Incidence of excessive weight loss is very high among Caesarean delivered babies. RWC at earlier measurements proves satisfactory in predicting poor infant growth. Management strategies based on identifying infants at risk could prevent excessive weight loss and improve future growth of those infants. [ABSTRACT FROM AUTHOR]
Copyright of Child: Care, Health & Development is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Impact of early weight loss on growth of Caesarean delivered babies: how long does it last?
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  Data: <searchLink fieldCode="JN" term="%22Child%3A+Care%2C+Health+%26+Development%22">Child: Care, Health & Development</searchLink>. Sep2012, Vol. 38 Issue 5, p706-713. 8p. 2 Charts, 4 Graphs.
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  Data: <searchLink fieldCode="DE" term="%22Analysis+of+variance%22">Analysis of variance</searchLink><br /><searchLink fieldCode="DE" term="%22Birth+weight%22">Birth weight</searchLink><br /><searchLink fieldCode="DE" term="%22Cesarean+section%22">Cesarean section</searchLink><br /><searchLink fieldCode="DE" term="%22Confidence+intervals%22">Confidence intervals</searchLink><br /><searchLink fieldCode="DE" term="%22Statistical+correlation%22">Statistical correlation</searchLink><br /><searchLink fieldCode="DE" term="%22Epidemiology%22">Epidemiology</searchLink><br /><searchLink fieldCode="DE" term="%22Gestational+age%22">Gestational age</searchLink><br /><searchLink fieldCode="DE" term="%22Human+growth%22">Human growth</searchLink><br /><searchLink fieldCode="DE" term="%22Regression+analysis%22">Regression analysis</searchLink><br /><searchLink fieldCode="DE" term="%22Weight+loss%22">Weight loss</searchLink><br /><searchLink fieldCode="DE" term="%22Data+analysis%22">Data analysis</searchLink><br /><searchLink fieldCode="DE" term="%22Predictive+tests%22">Predictive tests</searchLink><br /><searchLink fieldCode="DE" term="%22Receiver+operating+characteristic+curves%22">Receiver operating characteristic curves</searchLink><br /><searchLink fieldCode="DE" term="%22Data+analysis+software%22">Data analysis software</searchLink><br /><searchLink fieldCode="DE" term="%22Descriptive+statistics%22">Descriptive statistics</searchLink>
– Name: Abstract
  Label: Abstract
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  Data: Background We hypothesized that Caesarean delivered babies might experience excessive weight loss during neonatal period. Aim To investigate amount of weight loss among Caesarean delivered babies with exclusive breastfeeding and to identify role of relative weight change (RWC) in early postnatal period on the growth of infants in subsequent months. Methods We studied healthy infants born ≥36 completed weeks, by Caesarean section between September 2008 and August 2009, with Apgar scores >7. Weight measurements were performed at birth, at 24 h postpartum and at days 2, 4, 7, 14, 30 and monthly up to 6 months. Predictive roles of RWC at each assessment on detecting excessive weight loss and poor weight gain in 1st month, as well as bodyweight z scores in subsequent months were assessed. Results We studied 160 infants (88 female, 72 male) with a mean gestational age of 38.01 ± 1 weeks and birthweight of 3239 ± 421 g. Overall, 22.5% of infants lost >10% of birthweight; 11.9% at day 2, 16.9% at day 4 and 6.6% at day 7. Degree of weight loss was not related with parity, gestational age, birthweight or type of anaesthesia. Predictive values of RWCs in detecting poor weight gain in 0-30 days were: 2nd day; limit =−9.4%, specificity = 91.5%, 4th day; limit =−10.2%, specificity = 89.4%, 7th day; limit =−6.3%, specificity = 85%, sensitivity = 78%, 14th day; limit =+0.8%, specificity = 91.5%, sensitivity = 83.3%. Adjusting for birthweight z scores, RWC at 14th day had a significant influence on 1st and 2nd month bodyweight z scores. Bodyweight z scores were significantly correlated with the z scores of bodyweight in 1-5 months but not with that of 6 months. Conclusion Incidence of excessive weight loss is very high among Caesarean delivered babies. RWC at earlier measurements proves satisfactory in predicting poor infant growth. Management strategies based on identifying infants at risk could prevent excessive weight loss and improve future growth of those infants. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Child: Care, Health & Development is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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      – Type: doi
        Value: 10.1111/j.1365-2214.2011.01291.x
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 8
        StartPage: 706
    Subjects:
      – SubjectFull: Analysis of variance
        Type: general
      – SubjectFull: Birth weight
        Type: general
      – SubjectFull: Cesarean section
        Type: general
      – SubjectFull: Confidence intervals
        Type: general
      – SubjectFull: Statistical correlation
        Type: general
      – SubjectFull: Epidemiology
        Type: general
      – SubjectFull: Gestational age
        Type: general
      – SubjectFull: Human growth
        Type: general
      – SubjectFull: Regression analysis
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      – SubjectFull: Weight loss
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      – SubjectFull: Data analysis
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      – SubjectFull: Predictive tests
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      – SubjectFull: Receiver operating characteristic curves
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      – SubjectFull: Data analysis software
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      – SubjectFull: Descriptive statistics
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      – TitleFull: Impact of early weight loss on growth of Caesarean delivered babies: how long does it last?
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              Text: Sep2012
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