AI Article Synopsis
- The study examined how different vacuum patterns on an electric breast pump affect milk expression in 30 mothers.
- The volume of milk expressed varied significantly between different vacuum patterns, with a range of 62.8 mL to 47.2 mL, but the percentage of milk removed from what's available showed no significant difference.
- The vacuum pattern influenced the rate of milk removal at both the start and end of the pumping session, indicating that the design of the pump can impact breastfeeding efficiency.
Article Abstract
The authors compared milk expression using 5 experimental vacuum patterns and a commercially available vacuum pattern ranging in cycle times (20 to 78 cycles/min) and vacuum curve dynamics in 30 mothers using an experimental, software-controlled electric breast pump. The volume of milk removed over 5 minutes differed (P = .0072) between patterns (range = 62.8 +/- 6.6 mL to 47.2 +/- 5.1 mL). However, there was no difference in the percentage of available milk removed (range = 99.4% +/- 15.1% to 70.6% +/- 8.6%). The rate of milk removal differed between patterns at both the beginning (1 minute) and end (1.5 minutes) of the expression period (P < .05). Peak vacuum chosen differed between patterns (P = .0085) but was not related to either the volume or percentage of available milk expressed. Breastfeeding characteristics did not differ between poor and successful expressers. These results show that breast milk expression by an electric breast pump can be influenced by the vacuum pattern.
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| http://dx.doi.org/10.1177/089033402237908 | DOI Listing |
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