Please use this identifier to cite or link to this item: https://ahro.austin.org.au/austinjspui/handle/1/9893
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dc.contributor.authorPeyton, Philip Jen
dc.contributor.authorPoustie, Stephanie Jen
dc.contributor.authorRobinson, Gavin J Ben
dc.contributor.authorPenny, Daniel Jen
dc.contributor.authorThompson, Bruce Ren
dc.date.accessioned2015-05-15T23:10:13Z
dc.date.available2015-05-15T23:10:13Z
dc.date.issued2005-03-11en
dc.identifier.citationPhysiological Measurement 2005; 26(3): 309-16en
dc.identifier.govdoc15798304en
dc.identifier.otherPUBMEDen
dc.identifier.urihttps://ahro.austin.org.au/austinjspui/handle/1/9893en
dc.description.abstractWe tested the agreement between non-invasive measurement of intrapulmonary shunt, using oxygen uptake and pulmonary capillary blood flow measurement obtained by nitrous oxide rebreathing, with that measured using mixed venous blood sampling. Nine patients were recruited pre- and post-cardiac surgery resulting in 20 sets of measurements overall. Mean shunt fraction was 12.5%, and bias between methods (+/-95% confidence limits) was -0.7% (+/-0.8%). The standard deviation of the difference was 1.7% with limits of agreement between the two methods of +2.6% and -3.9%. Correlation coefficient r was 0.90. Agreement with the invasive standard was less accurate and precise where cardiac output was measured by bolus thermodilution (mean bias +1.6%, standard deviation of the difference 2.2%, limits of agreement between the two methods of +5.8% and -2.8%, r = 0.86). Good agreement was demonstrated between the non-invasive method and the invasive reference standard.en
dc.language.isoenen
dc.subject.otherAdulten
dc.subject.otherAgeden
dc.subject.otherDiagnosis, Computer-Assisted.methodsen
dc.subject.otherFemaleen
dc.subject.otherHumansen
dc.subject.otherLung.blood supply.physiologyen
dc.subject.otherMaleen
dc.subject.otherMiddle Ageden
dc.subject.otherNitrous Oxide.diagnostic use.metabolismen
dc.subject.otherNoble Gases.metabolismen
dc.subject.otherOxygen.blooden
dc.subject.otherPulmonary Circulation.physiologyen
dc.subject.otherReproducibility of Resultsen
dc.subject.otherRespiratory Function Tests.methodsen
dc.subject.otherSensitivity and Specificityen
dc.subject.otherVentilation-Perfusion Ratio.physiologyen
dc.titleNon-invasive measurement of intrapulmonary shunt during inert gas rebreathing.en
dc.typeJournal Articleen
dc.identifier.journaltitlePhysiological measurementen
dc.identifier.affiliationDepartment of Anaesthesia, Austin Hospital, Melbourne, Victoria 3084, Australiaen
dc.identifier.doi10.1088/0967-3334/26/3/014en
dc.description.pages309-16en
dc.relation.urlhttps://pubmed.ncbi.nlm.nih.gov/15798304en
dc.type.austinJournal Articleen
local.name.researcherPeyton, Philip J
item.openairetypeJournal Article-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.grantfulltextnone-
item.fulltextNo Fulltext-
item.cerifentitytypePublications-
item.languageiso639-1en-
crisitem.author.deptAnaesthesia-
crisitem.author.deptInstitute for Breathing and Sleep-
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