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Keywords:

  • breastfeeding;
  • medical record;
  • neonatal intensive care units;
  • preterm birth;
  • tube feeding;
  • qualitative research

ABSTRACT

Objective

To evaluate the effects of estimated breastfeeding on infant outcomes in comparison to test weighing and to describe staff members’ experiences of estimated breastfeeding as a method for supporting the transition from tube feeding to breastfeeding.

Design

A mixed method evaluation.

Setting

Neonatal Intensive Care Unit (NICU) in Sweden.

Participants

The study included 365 preterm (25th–36th gestational weeks) infants and 45 nurses or nurse assistants.

Methods

A retrospective comparative medical record study was used to assess infant outcomes during a period of test weighing (196 infants) and again after the implementation of estimated breastfeeding (169 infants). A qualitative survey was conducted to explore the staff experiences of estimated breastfeeding.

Results

No differences were found between groups regarding duration of tube feeding, length of hospital stay, gestational age, weight at discharge, and rate of any breastfeeding. Infants in the estimated breastfeeding group had a higher risk of not being exclusively breast milk fed than infants in the test-weighing group (OR = 2.76, CI [1.5, 5.1]). Staff perceived estimated breastfeeding as a more facilitative and less stressful method for mothers than test weighing. Some staff had difficulty following guidelines while simultaneously providing person-centered care.

Conclusions

Estimated breastfeeding is a nonintrusive and feasible method for assessing and supporting the transition from tube feeding to breastfeeding among preterm infants in a NICU. However, the increased risk for not being exclusively breastfed is of concern. Additional research is needed to assess whether this method is appropriate and feasible in varying contexts and cultures.