Abstract
Objectives
This study was performed to evaluate the effect of oral stimulation with breast milk for preterm infants.
Methods
A total of 68 subjects form neonatal intensive care unit were randomly assigned into control group (n=20), premature infant oral motor intervention (PIOMI) group (n=25) and premature infant oral motor intervention with breast milk (BM-PIOMI) group (n=23).
Results
BM-PIOMI group had significant shorter initiation of oral feeding (IOF) time compared to PIOMI group (2.95 days, 95% CI [0.42–5.48]) or control group (9.79 days, 95% CI [7.07–12.51]). BM-PIOMI group had significant sooner transition time from IOF to full oral feeding (FOF) compared to control group (6.68 days, 95% CI [2.2–11.16]), but not to PIOMI group (2.09 days, 95% CI [−2.07 to 6.25]). Length of hospital stay (LOS) did not show statistical different between three groups (control 38.85 ± 14.40 vs. PIOMI 38.48 ± 11.76 vs. BM-PIOMI 38.04 ± 12.2). Growth mixture model identified improvement in non-nutritive sucking (NNS) score in BM-PIOMI group compared to control and PIOMI group (0.8293, p<0.0001, and 0.8296, p<0.0001, respectively).
Conclusions
Oral stimulation with breast milk can better promotes the oral feeding process of premature infants than the simple oral stimulation, by shorten IOF time and improve early NNS score, but does not shorten transition time from IOF to FOF and LOS.
Acknowledgments
We appreciate the efforts of all colleagues of NICU of union Hospital for their support and participation. We acknowledge Shaokang Zhan, PhD, and Huiting Tang, MN, who contributed to the study design and data analysis. We also thank Chantal Lau, PhD, for her critical review of the article.
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Research funding: None declared.
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Author contributions: All authors have accepted responsibility for the entire content of this manuscript and approved its submission.
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Competing interests: Authors state no conflict of interest.
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Informed consent: Written informed consent was obtained from all guardians of infants.
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Ethical approval: The research related to human use has complied with all the relevant national regulations, institutional policies, and in accordance with the tenets of the Helsinki Declaration, and has been approved by the author’s Institutional Review Board (Institutional Review Board of Union Hospital of the Tongji Medical College, 2018S245).
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Trial registration: The trial identification number is ChiCTR1800019134 (Chinese Clinical Trial Registry http://www.who.int/ictrp/network/chictr2/en/).
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Supplementary Material
The online version of this article offers supplementary material (https://doi.org/10.1515/jpm-2020-0282).
© 2021 Walter de Gruyter GmbH, Berlin/Boston
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