American journal of perinatology
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The objective of this study was to determine the incidence of gastroesophageal reflux (GER) as documented by extended esophageal pH monitoring in symptomatic premature infants and to identify its relationship with chronic lung disease (CLD). This was a retrospective study of 629 infants born < 32 weeks gestational age and admitted to the neonatal intensive care unit during the study period. ⋯ There was no association of GER with the risk factors studied, nor were there correlations with BPD or severe CLD. GER is common (63%) in premature infants < 32 weeks gestational age but clinical symptoms and CLD are poorly correlated with this diagnosis.