Bispectral index for improving intraoperative awareness and early postoperative recovery in adults.

The Cochrane Database of Systematic Reviews
Sharon R LewisYodying Punjasawadwong

Abstract

The use of clinical signs, or end-tidal anaesthetic gas (ETAG), may not be reliable in measuring the hypnotic component of anaesthesia and may lead to either overdosage or underdosage resulting in adverse effects because of too deep or too light anaesthesia. Intraoperative awareness, whilst uncommon, may lead to serious psychological disturbance, and alternative methods to monitor the depth of anaesthesia may reduce the incidence of serious events. Bispectral index (BIS) is a numerical scale based on electrical activity in the brain. Using a BIS monitor to guide the dose of anaesthetic may have advantages over clinical signs or ETAG. This is an update of a review last published in 2014. To assess the effectiveness of BIS to reduce the risk of intraoperative awareness and early recovery times from general anaesthesia in adults undergoing surgery. We searched CENTRAL, MEDLINE, Embase, and Web of Science on 26 March 2019. We searched clinical trial registers and grey literature, and handsearched reference lists of included studies and related reviews. We included randomized controlled trials (RCTs) and quasi-RCTs in which BIS was used to guide anaesthesia compared with standard practice which was either clinical signs or end-tidal...Continue Reading

References

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Citations

Jul 25, 2020·Journal of Medical Internet Research·Siqi LiuMengling Feng
Oct 20, 2020·Drugs & Aging·Joachim HansenJacob Steinmetz
Oct 20, 2020·The Cochrane Database of Systematic Reviews·Stephanie WeibelPeter Kranke
Oct 29, 2020·Current Anesthesiology Reports·David A Mulvey, Peter Klepsch
May 21, 2021·Canadian Journal of Anaesthesia = Journal Canadien D'anesthésie·Victor X FuMarkus Klimek

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