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Volume of milk obtained in relation to location and circumstances of expression in mothers of very low birth weight infants.
J Hum Lact. 2014 Feb; 30(1):41-6.JH

Abstract

BACKGROUND

Given the importance of mother's milk for very low birth weight (VLBW) infants, it would be helpful to know which circumstances are most favorable for milk expression.

OBJECTIVE

This study aimed to estimate the volume of milk obtained by mothers of VLBW infants as a function of proximity to the infant and use of the kangaroo position during the actual expression.

METHODS

In this prospective cohort study, when the infant was stable and the mother had established a breastfeeding routine, she was given a notebook in which to record the location of expression and the amount of milk expressed for 10 consecutive days. Breast milk expression volumes were recorded and analyzed.

RESULTS

Data were collected on 26 mother-VLBW infant dyads and 1642 milk expressions. The first early morning expressions (n = 276, 17%) were conducted at home. Thereafter, 743 (45%) expressions were conducted far from the infant, either in a different room within the hospital or at home, and 623 (38%) were performed in proximity to the infant (beside the incubator, during kangaroo mother care [KMC], after KMC, or during kangaroo father care). The mean milk volume was significantly higher when expression was conducted in proximity to the infant. When only milk expressions conducted in proximity to the infant were considered, volumes obtained during KMC (107.7 mL, 91.8-123.5) and after KMC (117.7 mL, 99.0-136.5) were significantly higher than those obtained beside the incubator (96.9 mL, 79.9-113.9), respectively, P = .0030 and P = .0024.

CONCLUSION

Milk expression conducted in proximity to the infant, particularly during and immediately after KMC, is associated with higher milk volume.

Authors+Show Affiliations

1Department of Neonatology, 12 de Octubre University Hospital, Madrid, Spain.No affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Observational Study

Language

eng

PubMed ID

24212300

Citation

Acuña-Muga, Juliana, et al. "Volume of Milk Obtained in Relation to Location and Circumstances of Expression in Mothers of Very Low Birth Weight Infants." Journal of Human Lactation : Official Journal of International Lactation Consultant Association, vol. 30, no. 1, 2014, pp. 41-6.
Acuña-Muga J, Ureta-Velasco N, de la Cruz-Bértolo J, et al. Volume of milk obtained in relation to location and circumstances of expression in mothers of very low birth weight infants. J Hum Lact. 2014;30(1):41-6.
Acuña-Muga, J., Ureta-Velasco, N., de la Cruz-Bértolo, J., Ballesteros-López, R., Sánchez-Martínez, R., Miranda-Casabona, E., Miguel-Trigoso, A., García-San José, L., & Pallás-Alonso, C. (2014). Volume of milk obtained in relation to location and circumstances of expression in mothers of very low birth weight infants. Journal of Human Lactation : Official Journal of International Lactation Consultant Association, 30(1), 41-6. https://doi.org/10.1177/0890334413509140
Acuña-Muga J, et al. Volume of Milk Obtained in Relation to Location and Circumstances of Expression in Mothers of Very Low Birth Weight Infants. J Hum Lact. 2014;30(1):41-6. PubMed PMID: 24212300.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Volume of milk obtained in relation to location and circumstances of expression in mothers of very low birth weight infants. AU - Acuña-Muga,Juliana, AU - Ureta-Velasco,Noelia, AU - de la Cruz-Bértolo,Javier, AU - Ballesteros-López,Rosa, AU - Sánchez-Martínez,Rocío, AU - Miranda-Casabona,Eugenia, AU - Miguel-Trigoso,Almudena, AU - García-San José,Lidia, AU - Pallás-Alonso,Carmen, Y1 - 2013/11/08/ PY - 2013/11/12/entrez PY - 2013/11/12/pubmed PY - 2015/4/10/medline KW - breast pumping KW - breastfeeding KW - kangaroo mother care KW - milk expression KW - milk production KW - very low birth weight infants SP - 41 EP - 6 JF - Journal of human lactation : official journal of International Lactation Consultant Association JO - J Hum Lact VL - 30 IS - 1 N2 - BACKGROUND: Given the importance of mother's milk for very low birth weight (VLBW) infants, it would be helpful to know which circumstances are most favorable for milk expression. OBJECTIVE: This study aimed to estimate the volume of milk obtained by mothers of VLBW infants as a function of proximity to the infant and use of the kangaroo position during the actual expression. METHODS: In this prospective cohort study, when the infant was stable and the mother had established a breastfeeding routine, she was given a notebook in which to record the location of expression and the amount of milk expressed for 10 consecutive days. Breast milk expression volumes were recorded and analyzed. RESULTS: Data were collected on 26 mother-VLBW infant dyads and 1642 milk expressions. The first early morning expressions (n = 276, 17%) were conducted at home. Thereafter, 743 (45%) expressions were conducted far from the infant, either in a different room within the hospital or at home, and 623 (38%) were performed in proximity to the infant (beside the incubator, during kangaroo mother care [KMC], after KMC, or during kangaroo father care). The mean milk volume was significantly higher when expression was conducted in proximity to the infant. When only milk expressions conducted in proximity to the infant were considered, volumes obtained during KMC (107.7 mL, 91.8-123.5) and after KMC (117.7 mL, 99.0-136.5) were significantly higher than those obtained beside the incubator (96.9 mL, 79.9-113.9), respectively, P = .0030 and P = .0024. CONCLUSION: Milk expression conducted in proximity to the infant, particularly during and immediately after KMC, is associated with higher milk volume. SN - 1552-5732 UR - https://www.unboundmedicine.com/medline/citation/24212300/Volume_of_milk_obtained_in_relation_to_location_and_circumstances_of_expression_in_mothers_of_very_low_birth_weight_infants_ DB - PRIME DP - Unbound Medicine ER -