Am J Perinatol 2013; 30(10): 849-856
DOI: 10.1055/s-0033-1333671
Original Article
Thieme Medical Publishers 333 Seventh Avenue, New York, NY 10001, USA.

Association of Inhibitors of Gastric Acid Secretion and Higher Incidence of Necrotizing Enterocolitis in Preterm Very Low-Birth-Weight Infants

Kiran More
1   Department of Neonatal Paediatrics, Princess Margaret Hospital, Perth, Western Australia
2   Department of Neonatal Paediatrics, King Edward Memorial Hospital for Women, Perth, Western Australia
,
Gayatri Athalye-Jape
1   Department of Neonatal Paediatrics, Princess Margaret Hospital, Perth, Western Australia
2   Department of Neonatal Paediatrics, King Edward Memorial Hospital for Women, Perth, Western Australia
,
Shripada Rao
1   Department of Neonatal Paediatrics, Princess Margaret Hospital, Perth, Western Australia
3   Department of Neonatal Paediatrics, Centre for Neonatal Research and Education, Perth, Western Australia
4   Department of Neonatal Paediatrics, University of Western Australia, Perth, Western Australia
,
Sanjay Patole
2   Department of Neonatal Paediatrics, King Edward Memorial Hospital for Women, Perth, Western Australia
3   Department of Neonatal Paediatrics, Centre for Neonatal Research and Education, Perth, Western Australia
4   Department of Neonatal Paediatrics, University of Western Australia, Perth, Western Australia
› Author Affiliations
Further Information

Publication History

07 September 2012

26 November 2012

Publication Date:
28 January 2013 (online)

Abstract

Background Inhibitors of gastric acid (IGA) are used for upper gastrointestinal bleeding or gastroesophageal reflux in preterm infants. The resultant increase in gastric pH may enhance the growth of pathogens and increase the risk of necrotizing enterocolitis (NEC). Our systematic review examined the association between IGA and NEC in preterm infants.

Methods Standard methodology of systematic reviews was followed. PubMed, Embase, Cochrane, and Cumulative Index to Nursing and Allied Health Literature (CINAHL) databases were searched in August 2012.

Results One case–control and one prospective cohort study (n = 11,346), both evaluating H2-blockers as IGA, were included. Meta-analysis showed a significant association between NEC and IGA (odds ratio [OR]: 1.78, 95% confidence interval [CI]: 1.4, 2.27, p < 0.00001). The prospective cohort study found higher incidence of infection (sepsis, pneumonia, urinary tract infection) with IGA (37.4% versus 9.8%, OR: 5.5, 95% CI: 2.9 to 10.4, p < 0.001).

Conclusions Exposure to H2 receptor antagonists may be associated with increased risk of NEC and infections in preterm infants.

 
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