Transcutaneous Oxygen Tension During Nonnutritive Sucking in Preterm Infants

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Abstract
The effects of nonnutritive sucking on transcutaneous O2 tension, heart rate and respiratory rate were studied sequentially in 14 sleeping preterm [human] infants breathing room air. Transcutaneous O2 tension increased during nonnutritive sucking in infants between 32 and 35 wk postconceptual age, but not in those between 36 and 39 wk. This response was not associated with a change in respiratory rate or sleep state, although heart rate tended to increase. These data offer further support for the beneficial effects of nonnutritive sucking in preterm infants.

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