Please use this identifier to cite or link to this item: https://ahro.austin.org.au/austinjspui/handle/1/12091
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dc.contributor.authorSuzuki, Satoshien
dc.contributor.authorEastwood, Glenn Men
dc.contributor.authorGlassford, Neil Jen
dc.contributor.authorPeck, Leahen
dc.contributor.authorYoung, Helenen
dc.contributor.authorGarcia-Alvarez, Mercedesen
dc.contributor.authorSchneider, Antoine Gen
dc.contributor.authorBellomo, Rinaldoen
dc.date.accessioned2015-05-16T01:44:18Z
dc.date.available2015-05-16T01:44:18Z
dc.date.issued2014-06-01en
dc.identifier.citationCritical Care Medicine; 42(6): 1414-22en
dc.identifier.govdoc24561566en
dc.identifier.otherPUBMEDen
dc.identifier.urihttp://ahro.austin.org.au/austinjspui/handle/1/12091en
dc.description.abstractTo assess the feasibility and safety of a conservative approach to oxygen therapy in mechanically ventilated ICU patients.Pilot prospective before-and-after study.A 22-bed multidisciplinary ICU of a tertiary care hospital in Australia.A total of 105 adult (18 years old or older) patients required mechanical ventilation for more than 48 hours: 51 patients during the "conventional" before period and 54 after a change to "conservative" oxygen therapy.Implementation of a conservative approach to oxygen therapy (target SpO2 of 90-92%).We collected 3,169 datasets on 799 mechanical ventilation days. During conservative oxygen therapy the median time-weighted average SpO2 on mechanical ventilation was 95.5% (interquartile range, 94.0-97.3) versus 98.4% (97.3-99.1) (p < 0.001) during conventional therapy. The median PaO2 was 83 torr (71-94) versus 107 torr (94-131) (p < 0.001) with a change to a median FIO2 of 0.27 (0.24-0.30) versus 0.40 (0.35-0.44) (p < 0.001). Conservative oxygen therapy decreased the median total amount of oxygen delivered during mechanical ventilation by about two thirds (15,580 L [8,263-29,351 L] vs 5,122 L [1,837-10,499 L]; p < 0.001). The evolution of the PaO2/FIO2 ratio was similar during the two periods, and there were no difference in any other biochemical or clinical outcomes.Conservative oxygen therapy in mechanically ventilated ICU patients was feasible and free of adverse biochemical, physiological, or clinical outcomes while allowing a marked decrease in excess oxygen exposure. Our study supports the safety and feasibility of future pilot randomized controlled trials of conventional compared with conservative oxygen therapy.en
dc.language.isoenen
dc.subject.otherAPACHEen
dc.subject.otherAdulten
dc.subject.otherAgeden
dc.subject.otherAnoxia.prevention & control.therapyen
dc.subject.otherBlood Gas Analysis.methodsen
dc.subject.otherFemaleen
dc.subject.otherHumansen
dc.subject.otherHyperoxia.etiology.prevention & controlen
dc.subject.otherIntensive Care Unitsen
dc.subject.otherMaleen
dc.subject.otherMiddle Ageden
dc.subject.otherOxygen.administration & dosage.adverse effectsen
dc.subject.otherOxygen Inhalation Therapy.methodsen
dc.subject.otherPilot Projectsen
dc.subject.otherProspective Studiesen
dc.subject.otherRegression Analysisen
dc.subject.otherRespiration, Artificial.methodsen
dc.subject.otherTreatment Outcomeen
dc.titleConservative oxygen therapy in mechanically ventilated patients: a pilot before-and-after trial.en
dc.typeJournal Articleen
dc.identifier.journaltitleCritical Care Medicineen
dc.identifier.affiliation2Australian and New Zealand Intensive Care Research Centre, Melbourne, Victoria, Australiaen
dc.identifier.affiliationDepartment of Intensive Care, Austin Hospital, Heidelberg, Victoria, Australiaen
dc.identifier.doi10.1097/CCM.0000000000000219en
dc.description.pages1414-22en
dc.relation.urlhttps://pubmed.ncbi.nlm.nih.gov/24561566en
dc.type.austinJournal Articleen
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