Document Detail


Effects of Morphine and Midazolam on Sleep-Wake Cycling in Amplitude-Integrated Electroencephalography in Post-Surgical Neonates ≧32 Weeks of Gestational Age.
MedLine Citation:
PMID:  22286323     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Background: Studies of children who undergo major non-cardiac surgery in the neonatal period are needed so that subsequent abnormal neurodevelopment can be better understood. Objective:It was the aim of our study to describe the influence of analgesic and sedative medication on the predominant background pattern and the development of sleep-wake cycling (SWC), as measured on amplitude-integrated electroencephalography (aEEG), in newborn infants born ≥32 weeks' gestation after major non-cardiac surgery. Methods:This prospective study included infants ≥32(+0) weeks' gestation admitted to the Neonatal Intensive Care Unit at The Royal Children's Hospital in Melbourne who were undergoing major non-cardiac surgery. Data on morphine and midazolam given after surgery were recorded and the BrainZ Monitor was applied post-operatively. The maximum levels of morphine and midazolam were assessed as predictors of time to aEEG outcomes using linear regression. Results: Forty-seven eligible infants were included. Emergence of SWC was observed at a mean of 13 h after surgery. The maximum dose of morphine or midazolam was not predictive of time to either any or developed SWC. Conclusions: Despite high doses of morphine and midazolam, SWC was observed on aEEG in neonates ≥32 weeks' gestational age soon after major non-cardiac surgery. The aEEG background pattern was not affected by the maximum dose of either morphine or midazolam.
Authors:
Monika Olischar; Andrew J Davidson; Katherine J Lee; Rod W Hunt
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-1-27
Journal Detail:
Title:  Neonatology     Volume:  101     ISSN:  1661-7819     ISO Abbreviation:  -     Publication Date:  2012 Jan 
Date Detail:
Created Date:  2012-1-30     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101286577     Medline TA:  Neonatology     Country:  -    
Other Details:
Languages:  ENG     Pagination:  293-300     Citation Subset:  -    
Copyright Information:
Copyright © 2012 S. Karger AG, Basel.
Affiliation:
Department of Neonatology, University Children's Hospital, Vienna, Austria.
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