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Infant feeding bottle design, growth and behaviour: results from a randomised trial.


ABSTRACT: Whether the design of an anti-vacuum infant feeding bottle influences infant milk intake, growth or behavior is unknown, and was the subject of this randomized trial.63 (36 male) healthy, exclusively formula-fed term infants.Randomisation to use Bottle A (n = 31), one-way air valve: Philips Avent) versus Bottle B (n = 32), internal venting system: Dr Browns). 74 breast-fed reference infants were recruited, with randomisation (n = 24) to bottle A (n = 11) or B (n = 13) if bottle-feeding was subsequently introduced. Randomisation: stratified by gender and parity; computer-based telephone randomisation by independent clinical trials unit.Infant home.infant weight gain to 4 weeks.(i) milk intake (ii) infant behaviour measured at 2 weeks (validated 3-day diary); (iii) risk of infection; (iv) continuation of breastfeeding following introduction of mixed feeding.Number analysed for primary outcome: Bottle A n = 29, Bottle B n = 25.There was no significant difference in weight gain between randomised groups (0-4 weeks Bottle A 0.74 (SD 1.2) SDS versus bottle B 0.51 (0.39), mean difference 0.23 (95% CI -0.31 to 0.77).Infants using bottle A had significantly less reported fussing (mean 46 versus 74 minutes/day, p < 0.05) than those using bottle B. There was no significant difference in any other outcome measure. Breast-fed reference group: There were no significant differences in primary or secondary outcomes between breast-fed and formula fed infants. The likelyhood of breastfeeding at 3 months was not significantly different in infants subsequently randomised to bottle A or B.Bottle design may have short-term effects on infant behaviour which merit further investigation. No significant effects were seen on milk intake or growth; confidence in these findings is limited by the small sample size and this needs confirmation in a larger study.Clinical Trials.gov NCT00325208.

SUBMITTER: Fewtrell MS 

PROVIDER: S-EPMC3328286 | biostudies-literature | 2012 Mar

REPOSITORIES: biostudies-literature

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Infant feeding bottle design, growth and behaviour: results from a randomised trial.

Fewtrell M S MS   Kennedy K K   Nicholl R R   Khakoo A A   Lucas A A  

BMC research notes 20120316


<h4>Background</h4>Whether the design of an anti-vacuum infant feeding bottle influences infant milk intake, growth or behavior is unknown, and was the subject of this randomized trial.<h4>Methods</h4><h4>Subjects</h4>63 (36 male) healthy, exclusively formula-fed term infants.<h4>Intervention</h4>Randomisation to use Bottle A (n = 31), one-way air valve: Philips Avent) versus Bottle B (n = 32), internal venting system: Dr Browns). 74 breast-fed reference infants were recruited, with randomisatio  ...[more]

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