Apnea of Infancy, Seizures, and Gastroesophageal Reflux: An Important but Infrequent Association

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Abstract
Seventeen infants between 3 and 37 weeks of age were sequentially admitted for investigation of apnea of infancy or apparent life-threatening events associated with suspected regurgitation. They all underwent an overnight polygraphic study, including esophageal pH monitoring. In nine infants, gastroesophageal reflux was diagnosed. In five of them, the reflux was associated with apnea. However, unassociated episodes of apnea and gastroesophageal reflux occurred (7.1 times and four times, respectively) more frequently than associated episodes. In two of the five infants, a seizure preceded both reflux and apnea and might have acted as a trigger for the apparent life-threatening events. Infants with apparent life-threatening events or apnea of infancy frequently demonstrate gastroesophageal reflux that cannot be consistently related to their events. However, when the association is demonstrated, a common epileptic convulsive etiology should be considered. (J Child Neurol 1996;11:98-100).