Pilot Study: Sham feeding in post-operative neonates may enhance oral development and decrease maternal stress levels

MEMPHIS, Tenn. –Sham feeding may enhance oral skill development in neonates after bowel surgery and decrease stress levels in mothers, says research published by Le Bonheur neonatologist and associate professor at the University of Tennessee Health Science Center Mark Weems, MD, in the American Journal of Perinatology. This research marks the first time that sham feeding post-operative neonates has ever been described in published literature. The research is a result of a pilot study developed to test whether sham feeding would be feasible in this population, identify any safety hazards and assess the impact on mothers.

The novel sham feeding protocol used in the study was developed collaboratively between the Le Bonheur’s neonatology and pediatric surgery divisions. Sham feeding is the process of offering an oral feeding followed by the removal of the feed before digestion. In the study, all 15 infants enrolled were able to sham feed with just four infants experiencing minor complications. Mothers reported a decrease in stress and 100% satisfaction with sham feeding.

“Neonates who have abdominal surgery often have a considerable delay until they are able to initiate oral feeding,” said Weems. “This delay during a time that is critical for development of oral skills is further complicated by negative oral feeding stimuli, such as prolonged airway management and nasogastric tubes, which may negatively impact long-term outcomes.”

The mothers of these children can also suffer from psychological morbidity from the stress of their stay in the Neonatal Intensive Care Unit (NICU), which can interfere with infant bonding and breastmilk supply and lead to longer NICU stays. Furthermore, mothers who cannot feed their babies often begin to feel helpless, said Weems. Le Bonheur neonatologists introduced sham feeding to attempt to mitigate these negative effects.

“Post-operative delay in enteral feeding contributes to prolonged hospital stay, prolonged exposure to parenteral nutrition and increased risk of infection,” said Weems. “Sham feeding is one place where we may be able to offer an intervention for better outcomes.”

In the pilot study, 15 patients admitted to the Le Bonheur NICU were enrolled for sham feeding after assessment for feeding readiness by a speech therapist. Infants were sham fed first by bottle and then sham fed at the mother’s breast. Gastrointestinal suction remained on for the duration of the feed and for five minutes after the feed ended. An eight-question survey was administrated to mothers in the study to assess maternal stress and satisfaction with sham feeding.

Of the 15 patients, all were able to safely sham feed after surgery with a total of 312 sham feeds. After the satisfaction survey, all mothers reported a reduction in stress with sham feeding, and 86% reported that sham feeding improved the mother-infant relationship. All reported that they would recommend sham feeding.

The pilot study identified areas for additional research around sham feeding to:

  • Determine the risks and benefits of sham feeding in post-operative infants
  • Evaluate if sham feeding improves the development of oral skills when compared to non-nutritive sucking
  • Assess the impact of sham feeding on post-partum depression and prolonged breastfeeding
  • Test specific hypotheses in larger groups of infants with specific surgical diagnoses

“Our study demonstrates that sham feeding in neonates after abdominal surgery is feasible,” said Weems. “Ultimately we may be able to improve long-term outcomes for both the mother and infant.”

 

About Le Bonheur Children’s:

Le Bonheur Children’s Hospital in Memphis, Tenn., treats children through community programs, regional clinics and a 255-bed state-of-the-art hospital. Le Bonheur serves as a primary teaching affiliate for the University Tennessee Health Science Center and trains more than 350 pediatricians and specialists each year. Nationally recognized, Le Bonheur is ranked by U.S. News & World Report as a Best Children’s Hospital. 

For more information, please call (901) 287-6030 or visit lebonheur.org. Connect with us at facebook.com/lebonheurchildrens, twitter.com/lebonheurchild or on Instagram at  lebonheurchildrens.

About University of Tennessee Health Science Center:

As Tennessee’s only public, statewide, academic health system, the mission of the University of Tennessee Health Science Center is to bring the benefits of the health sciences to the achievement and maintenance of human health through education, research, clinical care, and public service, with a focus on the citizens of Tennessee and the region. The main campus in Memphis includes six colleges: Dentistry, Graduate Health Sciences, Health Professions, Medicine, Nursing and Pharmacy. UTHSC also educates and trains medicine, pharmacy, and/or health professions students, as well as medical residents and fellows, at major sites in Knoxville, Chattanooga and Nashville. For more information, visit www.uthsc.edu. Find us on Facebook: facebook.com/uthsc, on Twitter: twitter.com/uthsc and on Instagram: instagram.com/uthsc

 

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Posted: 2/24/21

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