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Patterned frequency-modulated oral stimulation in preterm infants: A multicenter randomized controlled trial.

Dongli Song^1,2, Priya Jegatheesan^1,2, Suhas Nafday³

¹Pediatrics-Neonatology, Santa Clara Valley Medical Center, San Jose, CA, United States of America.

|March 1, 2019

Summary

Patterned, frequency-modulated oro-somatosensory stimulation using the NTrainer system significantly reduced the time to full oral feeds for preterm infants. This feeding intervention also shortened hospital stays for infants born between 29-30 weeks gestation.

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Area of Science:

Neonatal Medicine
Developmental Pediatrics
Neuroscience

Background:

Preterm infants often experience feeding difficulties, impacting their development and hospital stay duration.
Early oral feeding is crucial for preterm infant development and successful transition home.

Purpose of the Study:

To evaluate the efficacy of patterned, frequency-modulated oro-somatosensory stimulation on the time to achieve full oral feeds in preterm infants.
To assess the impact of this stimulation on hospital length of stay.

Main Methods:

A multicenter randomized controlled trial involving 210 preterm infants (26-30 weeks gestation).
The experimental group received stimulation via a pulsatile pacifier (NTrainer system), while the control group received a non-pulsatile pacifier.
Time-to-event analyses, including Cox proportional hazards models, were used to analyze outcomes.

Main Results:

Infants receiving patterned stimulation reached full oral feeds 4.1 days sooner than controls (HR 1.37, p=0.03).
In infants born 29-30 weeks gestation, stimulation significantly reduced hospital discharge time by 10 days (HR 1.87, p<0.01).
No significant differences were observed in growth, mortality, or morbidities between groups.

Conclusions:

Patterned, frequency-modulated oro-somatosensory stimulation is an effective intervention for improving feeding development in preterm infants.
This stimulation method can lead to a reduced length of hospitalization for eligible preterm infants.