Estimating the Dietary Intake of Breastfeeding Preterm Infants
by
Sarah Greenslade 1,
Jacqueline Miller 1,
Emma Tonkin 1
,
Peter Marshall 2 and
Carmel T. Collins 3,4,5,*
Sarah Greenslade 1,
Jacqueline Miller 1,
Emma Tonkin 1,
Peter Marshall 2 and
Carmel T. Collins 3,4,5,*
1
Nutrition and Dietetics, Faculty of Medicine, Nursing and Health Sciences, School of Health Sciences, Flinders University Adelaide, Adelaide, 5002, South Australia, Australia
2
Department of Neonatal Perinatal Medicine, Flinders Medical Centre, Flinders University, Adelaide, 5001, South Australia, Australia
3
Women's and Children's Health Research Institute, Adelaide, 5006, South Australia, Australia
4
Discipline of Paediatrics, School of Paediatrics and Reproductive Health, The University of Adelaide, Adelaide, 5000, South Australia, Australia
5
Healthy Mothers, Babies & Children, South Australian Health and Medical Research Institute, Adelaide, 5000, South Australia, Australia
*
Author to whom correspondence should be addressed.
Academic Editors: Jane Scott and Colin Binns
Int. J. Environ. Res. Public Health 2015, 12(5), 5408-5419; https://doi.org/10.3390/ijerph120505408
Received: 8 April 2015 / Revised: 4 May 2015 / Accepted: 12 May 2015 / Published: 20 May 2015
(This article belongs to the Special Issue Breastfeeding and Infant Health)
Aim: To determine how accurately the daily prescribed feed volume (mL/day) estimates the actual intake of breastfeeding preterm infants and to characterise the volume taken during a breastfeed at differing gestational and postmenstrual ages. Methods: A cross sectional study was conducted on preterm infants born <37 weeks gestation from two Australian neonatal units. To determine the volume taken in a 24-h period infants were weighed before and after each breastfeed. This volume was added to the charted intake to determine the total intake and then compared to the prescribed feed volume. Bland Altman analyses were used to assess the level of agreement between the two methods. Results: Fifty six infants were studied on 206 breastfeeding occasions. There was a small bias (27 mLs/day) but large 95% limits of agreement (–76 to 130 mL/day). The volume taken during a single breastfeed ranged from 0 to 101 mL (median 23 mL, IQR 9 to 31 mL) and was greater in more mature infants. Conclusions: Using the prescribed feed volume to estimate total intake has limited clinical utility for the individual infant, however the relatively small bias means that it may be useful within a population or for comparison between groups in which population means are compared. There was a large variation in volume taken during a breastfeed across all gestational and postmenstrual ages.
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Keywords:
breastfeeding; diet; infant preterm; nutrition assessment
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MDPI and ACS Style
Greenslade, S.; Miller, J.; Tonkin, E.; Marshall, P.; Collins, C.T. Estimating the Dietary Intake of Breastfeeding Preterm Infants. Int. J. Environ. Res. Public Health 2015, 12, 5408-5419.
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