Abstract:
BACKGROUND:Apnea of prematurity (AOP) occurs frequently in preterm infants and a variable proportion of AOP can be induced by gastroesophageal reflux (GER). Conservative treatment, including dietary modifications, should be the first-line approach for both GER and GER-related apneas in this population. OBJECTIVES:To evaluate the efficacy of a starch-thickened preterm formula (PF) in reducing the frequency of apneas related to GER. METHODS:Preterm infants with AOP were studied by combined impedance and pH monitoring and polysomnography. The 6-hour study period included two feeds, one of a commercially available PF and one of the same formula thickened with amylopectin (TPF). GER indexes, apneas and GER-related apneas detected after TPF and PF feeds were compared by Wilcoxon signed-rank test. RESULTS:24 infants were studied. During 140 h of registration, 289 apneas (147 after TPF and 142 after PF; p = 0.876), and 861 GER episodes (400 after TPF and 461 after PF; p = 0.465) were recorded. No difference in the number of AOP was found between TPF and PF. A significant reduction in acid exposure was found after TPF; there was no influence on non-acid GER indexes. The frequency of GER-related apneas did not differ between TPF and PF. CONCLUSIONS:A formula thickened with amylopectin did not reduce the number of AOP or GER-related apneas. It reduced acid GER features but had no effect on non-acid GER indexes. Future research should focus on exploring different conservative strategies to treat GER-related apneas in preterm infants.
journal_name
Neonatologyjournal_title
Neonatologyauthors
Corvaglia L,Spizzichino M,Aceti A,Legnani E,Mariani E,Martini S,Battistini B,Faldella Gdoi
10.1159/000342703subject
Has Abstractpub_date
2013-01-01 00:00:00pages
98-102issue
2eissn
1661-7800issn
1661-7819pii
000342703journal_volume
103pub_type
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