PEDIATRICS Vol. 70 No. 6 December 1982, pp. 858-863
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The Sudden Infant Death Syndrome and Apnea/Obstruction During Neonatal Sleep and Feeding

Alfred Steinschneider MD, PhD1, Steven L. Weinstein MD1, and Earl Diamond PhD1

1 The Sudden Infant Death Syndrome Institute, University of Maryland School of Medicine, and Johns Hopkins School of Hygiene and Public Health, Baltimore

Respiratory observations made during nutritive feeding and a complete daytime nap within the first week of life on ten newborns who subsequently were victims of sudden infant death syndrome (SIDS) were compared with normative data based on 1,301 infants of comparable ages. Measurements were obtained of all apneic pauses and/or transient respiratory obstructive events at least two seconds in duration. A statistically significant increased number of future SIDS victims were found to have an unusual amount of apnea/obstruction episodes during nutritive feeding when compared with the normative group. Future SIDS victims, as a group, also had an increased frequency of apneic pauses during sleep. Furthermore, all SIDS victims demonstrated either an unusual amount of apnea/obstruction during nutritive feeding or apneic pauses during sleep. None of the airway obstruction measures during sleep differentiated the SIDS infants from the normative group. These results are consistent with the general hypothesis that prolonged apnea or airway obstruction is part of the pathophysiologic process resulting in SIDS and those hypotheses implicating unstable respiratory activity during sleep as well as apnea and pharyngeal/laryngeal dysfunction induced by liquid stimulation of the upper airway. They are also compatible with the growing body of evidence indicating that factors that predispose an infant to SIDS originate in the perinatal period.

Key Words: sudden infant death syndrome • sleep • feeding • apnea • obstruction

Submitted on March 29, 1982
Accepted on June 23, 1982




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