Please use this identifier to cite or link to this item: http://ahro.austin.org.au/austinjspui/handle/1/16792
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dc.contributor.authorChan, Matthew J-
dc.contributor.authorChung, Tricia-
dc.contributor.authorGlassford, Neil J-
dc.contributor.authorBellomo, Rinaldo-
dc.date2017-02-24-
dc.date.accessioned2017-08-15T23:11:18Z-
dc.date.available2017-08-15T23:11:18Z-
dc.date.issued2017-08-
dc.identifier.citationJournal of Cardiothoracic and Vascular Anesthesia 2017; 31(4): 1155-1165en_US
dc.identifier.urihttp://ahro.austin.org.au/austinjspui/handle/1/16792-
dc.description.abstractOBJECTIVES: To identify the normal baseline preoperative range of cerebral tissue oxygen saturation (SctO2) derived using near-infrared spectroscopy (NIRS) and the efficacy of perioperative interventions designed to modulate SctO2 in cardiac surgical patients. DESIGN: Systematic review and meta-analysis of relevant randomized controlled trials (RCTs) extracted from the Medline, Embase, and Cochrane Central Register of Controlled Trials databases. SETTING: Hospitals performing cardiac surgery. PARTICIPANTS: The study comprised 953 participants from 11 RCTs. INTERVENTIONS: Interventions included the following: (1) SctO2 monitoring protocol compared with no monitoring; (2) use of cardiopulmonary bypass (CPB) compared with no CPB; (3) normothermic CPB compared with hypothermic CPB; (4) glyceryl trinitrate during surgery compared with placebo; (5) midazolam during induction of anesthesia compared with propofol; (6) sevoflurane anesthesia compared with total intravenous anesthesia; (7) sevoflurane anesthesia compared with propofol-based anesthesia; and (8) norepinephrine during CPB compared with phenylephrine. MEASUREMENTS AND MAIN RESULTS: Eleven RCTs with 953 participants measured baseline preoperative SctO2 using NIRS. The pooled mean baseline SctO2 was 66.4% (95% CI 65.0-67.7), generating a reference range of 51.0% to 81.8%. Four interventions (1, 3, 4, and 6 described in the Interventions section above) increased intraoperative SctO2 across the majority of reported time points. Postoperative follow-up of SctO2 occurred in only 1 study, and postoperative cognitive assessment correlating SctO2 with cognitive function was applied in only 4 studies using variable methodology. CONCLUSIONS: The authors have established that reference values for baseline NIRS-derived SctO2 in cardiac surgery patients are varied and have identified interventions that modulate SctO2. This information opens the door to standardized research and interventional studies in this field.en_US
dc.subjectCardiac surgeryen_US
dc.subjectCerebral oxygenationen_US
dc.subjectCerebral tissue oxygen saturationen_US
dc.subjectMeta-analysisen_US
dc.subjectNear-infrared spectroscopyen_US
dc.subjectPostoperative cognitive dysfunctionen_US
dc.titleNear-infrared spectroscopy in adult cardiac surgery patients: a systematic review and meta-analysisen_US
dc.typeJournal Articleen_US
dc.identifier.journaltitleJournal of Cardiothoracic and Vascular Anesthesiaen_US
dc.identifier.pubmedurihttps://www.ncbi.nlm.nih.gov/pubmed/28800981en_US
dc.identifier.doi10.1053/j.jvca.2017.02.187en_US
dc.description.affiliatesDepartment of Intensive Care, Austin Health, Heidelberg, Victoria, Australiaen_US
dc.description.affiliatesAustralian and New Zealand Intensive Care Research Centre, School of Public Health and Preventative Medicine, Monash University Alfred Hospital, Melbourne, Victoria, Australiaen_US
dc.description.affiliatesSchool of Medicine, University of Melbourne, Melbourne, Victoria, Australiaen_US
dc.type.contentTexten_US
dc.identifier.orcid0000-0002-1650-8939en_US
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