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Cochrane Database of Systematic Reviews: Plain Language Summaries [Internet]. Chichester, UK: John Wiley & Sons, Ltd; 2003-.

Cochrane Database of Systematic Reviews: Plain Language Summaries [Internet].

Nebulized racemic epinephrine for extubation of newborn infants

This version published: 2010; Review content assessed as up-to-date: March 14, 2010.

Plain language summary

The use of inhaled nebulized epinephrine after extubation in newborn infants is not supported or refuted by evidence from randomised controlled trials. Following mechanical ventilation, airway swelling and obstruction can occur in newborn infants (especially after prolonged, traumatic or multiple intubations). This may compromise breathing and cause failure of extubation. Because epinephrine can decrease swelling and its effect has been proven in the treatment of croup in infants, it has been used immediately after extubation to prevent breathing problems. The reviewers did not identify any studies that examined clinically relevant outcomes following the use of nebulized epinephrine in newborn infants. They concluded that there is no evidence either supporting or refuting the use of inhaled nebulized epinephrine in newborn infants.

Abstract

Background: Following a period of mechanical ventilation, post‐extubation upper airway obstruction can occur in newborn infants, especially after prolonged, traumatic or multiple intubations. The subsequent increase in upper airway resistance may lead to respiratory insufficiency and failure of extubation. The vasoconstrictive properties of epinephrine, and its proven efficacy in the treatment of croup in infants, has led to the routine use of inhaled nebulized epinephrine immediately post‐extubation in some neonatal units. It is also recommended for neonates with post‐extubation tracheal obstruction and stridor in neonatal and respiratory textbooks and reviews.

Objectives: The primary objective was to assess whether nebulized epinephrine administered immediately after extubation in neonates weaned from IPPV decreases the need for subsequent additional respiratory support.

Search methods: Searches were of: MEDLINE from 1966 to September 2000; CINAHL from 1982 to September 2000; Current Contents from 1994 to September 2000; and the Cochrane Controlled Trials Register (Cochrane Library Issue 3, 2000). These searches were updated to September 2001 for this review update. Previous searches up to March 1999 included the Oxford Database of Perinatal Trials, expert informants and journal hand searching mainly in the English language, previous reviews including cross references, abstracts, and conference and symposia proceedings.

This search was updated in December 2009.

Selection criteria: All randomised and quasi‐randomised control trials in which nebulized epinephrine was compared with placebo immediately post‐extubation in newborn infants who have been weaned from IPPV and extubated, with regard to clinically important outcomes (i.e. need for additional respiratory support, increase in oxygen requirement, respiratory distress, stridor or the occurrence of side effects).

Data collection and analysis: No studies met our criteria for inclusion in this review.

Main results: No studies were identified which looked at the effect of inhaled nebulized epinephrine on clinically important outcomes in infants being extubated.

Authors' conclusions: Implications for practice: There is no evidence either supporting or refuting the use of inhaled nebulized racemic epinephrine in newborn infants.

Implications for research: randomised controlled trials are needed comparing inhaled nebulized racemic epinephrine with placebo in neonates post‐extubation. This should be looked at both as a routine treatment post‐extubation and as specific treatment for post‐extubation upper airway obstruction. Study populations should include the group of infants at highest risk for upper airway obstruction from mucosal swelling because of their small glottic and subglottic diameters (i.e. those infants with birth weights less than 1000 grams).

Editorial Group: Cochrane Neonatal Group.

Publication status: New search for studies and content updated (no change to conclusions).

Citation: Davies MW, Davis PG. Nebulized racemic epinephrine for extubation of newborn infants. Cochrane Database of Systematic Reviews 2002, Issue 1. Art. No.: CD000506. DOI: 10.1002/14651858.CD000506. Link to Cochrane Library. [PubMed: 11869578]

Copyright © 2010 The Cochrane Collaboration. Published by John Wiley & Sons, Ltd.

PMID: 11869578

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