Relation between bispectral index measurements of anesthetic depth and postoperative mortality: a meta-analysis of observational studies
Zorrilla-Vaca A, Healy R, Wu C, Grant M. Relation between bispectral index measurements of anesthetic depth and postoperative mortality: a meta-analysis of observational studies. Journal Canadien D'anesthésie 2017, 64: 597-607. PMID: 28361391, DOI: 10.1007/s12630-017-0872-6.Peer-Reviewed Original ResearchConceptsDepth of anesthesiaLow bispectral indexObservational studyBispectral indexSubgroup analysisSignificant associationResultsEight observational studiesLong-term mortalityPooled effect sizeMain electronic databasesBispectral index measurementsRandom-effects modelPostoperative mortalityHazard ratioIntroductionThe associationRandomized trialsInclusion criteriaAnesthesiaElectronic databasesNarrative reviewPotential associationAnesthetic depthMethodsThe literatureMortalityAnesthesia depth