Document Detail


Comparison of two methods of delivering continuously nebulized albuterol.
MedLine Citation:
PMID:  12503928     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
OBJECTIVE: To compare the relative delivery of 2 methods for providing continuously nebulized albuterol (CNA): a small-volume nebulizer plus infusion pump versus a large-volume nebulizer. DESIGN: An open, randomized comparison of 3 hours of CNA administration using an in vitro lung model with a follow-up particle size assessment of the large-volume nebulizer. METHODS: Six different nebulizers of each type were connected to a lung model via a volume-limited mechanical ventilator and infant ventilator circuitry. Albuterol was nebulized at 10 mg/h for 3 hours in random order. The small-volume nebulizer used was the Airlife Misty Neb (Baxter, Valencia, CA); the large-volume nebulizer was the HEART Nebulizer (Vortran Medical, Orangevale, CA). One large-volume nebulizer was operated over 8 hours for the output and particle sizing study. RESULTS: The small-volume nebulizer delivered a greater amount of albuterol (mean +/- SD percentage of total nebulized) to the model lung (5.75 +/- 1.38% vs. 4.12 +/- 0.67%; p < 0.025) than the large-volume nebulizer, but demonstrated greater variability. Although total output was not maintained after 8 hours of nebulization with the large-volume nebulizer, the percent of particles in the respirable range remained consistent. CONCLUSIONS: The large-volume nebulizer evaluated in this study maintains consistent output up to 8 hours and provides an acceptable method for delivering CNA through an infant ventilator circuit.
Authors:
H William Kelly; Kerry A Keim; Bennie C McWilliams
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Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, P.H.S.    
Journal Detail:
Title:  The Annals of pharmacotherapy     Volume:  37     ISSN:  1060-0280     ISO Abbreviation:  Ann Pharmacother     Publication Date:  2003 Jan 
Date Detail:
Created Date:  2002-12-30     Completed Date:  2003-04-24     Revised Date:  2007-11-14    
Medline Journal Info:
Nlm Unique ID:  9203131     Medline TA:  Ann Pharmacother     Country:  United States    
Other Details:
Languages:  eng     Pagination:  23-6     Citation Subset:  IM    
Affiliation:
Department of Pediatrics, University of New Mexico Health Sciences Center, Albuquerque, NM 87131-5311, USA. hwkelly@unm.edu
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MeSH Terms
Descriptor/Qualifier:
Administration, Inhalation
Aerosols
Albuterol / administration & dosage*
Bronchodilator Agents / administration & dosage*
Equipment Design
Humans
Infant
Infusion Pumps
Models, Structural
Nebulizers and Vaporizers*
Respiration, Artificial
Grant Support
ID/Acronym/Agency:
N01HR16046/HR/NHLBI NIH HHS
Chemical
Reg. No./Substance:
0/Aerosols; 0/Bronchodilator Agents; 18559-94-9/Albuterol

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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