Parlow, Simon, Fay Lepage-Ratte, Melissa, Jung, Richard G., Fernando, Shannon M., Visintini, Sarah, Sterling, Lee H., Di Santo, Pietro, Simard, Trevor, Russo, Juan J., Labinaz, Marino, Hibbert, Benjamin, Nolan, Jerry P., Rochwerg, Bram and Mathew, Rebecca (2022) Inhaled anaesthesia compared with conventional sedation in post cardiac arrest patients undergoing temperature control : a systematic review and meta-analysis. Resuscitation, 176 . pp. 74-79. doi:10.1016/j.resuscitation.2022.05.015 ISSN 0300-9572.

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Abstract

Patients admitted with return of spontaneous circulation (ROSC) following out of hospital cardiac arrest (OHCA) are often sedated to facilitate care. Volatile anaesthetics have been proposed as alternative sedatives because of their rapid offset. We performed a systematic review and meta-analysis comparing the use of volatile anaesthetics to conventional sedation in this population. We searched four databases (MEDLINE,Embase, CENTRAL, and Scopus) from inception to January 6, 2022. We included randomized trials and observational studies evaluating patients admitted following ROSC. We pooled data and reported summary estimates using odds ratio (OR) for dichotomous outcomes and mean difference (MD) for continuous outcomes, both with 95% confidence intervals (CIs). We assessed risk of bias using the Newcastle Ottawa Scale and certainty of evidence using GRADE methodology. Of 1,973 citations, we included three observational studies (n=604 patients). Compared to conventional sedation, volatile agents had an uncertain effect on delirium (OR 0.96, 95% CI 0.68-1.37), survival to discharge (OR 0.66, 95% CI 0.17-2.61), and ICU length of stay (MD 1.59 days fewer, 95% CI 1.17-4.36, all very low certainty). Patients who received volatile anaesthetic underwent a shorter duration of mechanical ventilation (MD 37.32 hours shorter, 95% CI 7.74-66.90), however this was based on low-certainty evidence. No harms were described with use of volatile anesthetics. Volatile anaesthetics may be associated with a decreased duration of mechanical ventilation in patients admitted with ROSC however this is based on low-certainty evidence. Further data are needed to assess their role in this population. [Abstract copyright: Copyright © 2022. Published by Elsevier B.V.]

Item Type:	Journal Article
Divisions:	Faculty of Science, Engineering and Medicine > Medicine > Warwick Medical School
SWORD Depositor:	Library Publications Router
Journal or Publication Title:	Resuscitation
Publisher:	Elsevier Ireland Ltd
ISSN:	0300-9572
Official Date:	July 2022
Dates:	Date Event July 2022 Published 27 May 2022 Available 21 May 2022 Accepted
Volume:	176
Page Range:	pp. 74-79
DOI:	10.1016/j.resuscitation.2022.05.015
Status:	Peer Reviewed
Publication Status:	Published
Access rights to Published version:	Restricted or Subscription Access
Copyright Holders:	© 2022 Elsevier B.V. All rights reserved.
Date of first compliant deposit:	22 July 2022

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