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The Diving Reflex in Healthy Infants in the First Year of Life

2011; SAGE Publishing; Volume: 27; Issue: 2 Linguagem: Inglês

10.1177/0883073811415269

1708-8283

Fleming Salvador Pedroso, Rudimar dos Santos Riesgo, Tanira Gatiboni, Newra T. Rotta,

Infant Health and Development

A cohort study was conducted with a random sample of 33 healthy infants evaluated at birth and at 1, 2, 3, 4, 5, 6, 9, and 12 months to determine the frequency of respiratory rate changes in response to air blown over the face (diving reflex) in the first year of life, and to standardize the description of diving reflex occurrence. All 33 infants remained neurologically normal throughout follow-up. Diving reflex was observed in 95.3% of newborns and in 100% of infants between 2 and 6 months of age. At 6 months, it started to decrease but persisted in 90% of the infants up to 12 months. The diving reflex is highly prevalent in the first year of life and can be easily elicited by applying a flow of air over the infant’s face, particularly during crying.