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Association of H2-blocker therapy and higher incidence of necrotizing enterocolitis in very low birth weight infants.

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Title: Association of H2-blocker therapy and higher incidence of necrotizing enterocolitis in very low birth weight infants.
Authors: Guillet R (AUTHOR), Stoll BJ (AUTHOR), Cotten CM (AUTHOR), Gantz M (AUTHOR), McDonald S (AUTHOR), Poole WK (AUTHOR), Phelps DL (AUTHOR), US National Institute of Child Health and Human Development Neonatal Research Network (CORPORATE AUTHOR)
Source: Pediatrics. Feb2006, Vol. 117 Issue 2, pe137-42. 1p.
Abstract: OBJECTIVE. We sought to determine if an association exists between the use of histamine-2 receptor (H2) blockers and the incidence of necrotizing enterocolitis (NEC) in infants of 401 to 1500 g in birth weight.STUDY DESIGN. Data from the National Institute of Child Health and Human Development Neonatal Research Network very low birth weight (401-1500 g) registry from September 1998 to December 2001 were analyzed. The relation between the diagnosis of NEC (Bell stage II or greater) and antecedent H2-blocker treatment was determined by using case-control methodology. Conditional logistic regression was implemented, controlling for gender, site of birth (outborn versus inborn), Apgar score of <7 at 5 minutes, and postnatal steroids.RESULTS. Of 11072 infants who survived for at least 12 hours, 787 (7.1%) developed NEC (11.5% of infants 401-750 g, 9.1% of infants 751-1000 g, 6.0% of infants 1001-1250 g, and 3.9% of infants 1251-1500 g). Antecedent H2-blocker use was associated with an increased incidence of NEC (P < .0001).CONCLUSIONS. H2-blocker therapy was associated with higher rates of NEC, which is in agreement with a previous randomized trial of acidification of infant feeds that resulted in a decreased incidence of NEC. In combination, these data support the hypothesis that gastric pH level may be a factor in the pathogenesis of NEC. [ABSTRACT FROM AUTHOR]
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Database: Psychology and Behavioral Sciences Collection
Description
Abstract:OBJECTIVE. We sought to determine if an association exists between the use of histamine-2 receptor (H2) blockers and the incidence of necrotizing enterocolitis (NEC) in infants of 401 to 1500 g in birth weight.STUDY DESIGN. Data from the National Institute of Child Health and Human Development Neonatal Research Network very low birth weight (401-1500 g) registry from September 1998 to December 2001 were analyzed. The relation between the diagnosis of NEC (Bell stage II or greater) and antecedent H2-blocker treatment was determined by using case-control methodology. Conditional logistic regression was implemented, controlling for gender, site of birth (outborn versus inborn), Apgar score of <7 at 5 minutes, and postnatal steroids.RESULTS. Of 11072 infants who survived for at least 12 hours, 787 (7.1%) developed NEC (11.5% of infants 401-750 g, 9.1% of infants 751-1000 g, 6.0% of infants 1001-1250 g, and 3.9% of infants 1251-1500 g). Antecedent H2-blocker use was associated with an increased incidence of NEC (P < .0001).CONCLUSIONS. H2-blocker therapy was associated with higher rates of NEC, which is in agreement with a previous randomized trial of acidification of infant feeds that resulted in a decreased incidence of NEC. In combination, these data support the hypothesis that gastric pH level may be a factor in the pathogenesis of NEC. [ABSTRACT FROM AUTHOR]
ISSN:00314005
DOI:10.1542/peds.2005-1543