Please use this identifier to cite or link to this item: https://ahro.austin.org.au/austinjspui/handle/1/18747
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dc.contributor.authorWeber, Ulrike-
dc.contributor.authorGlassford, Neil J-
dc.contributor.authorEastwood, Glenn M-
dc.contributor.authorBellomo, Rinaldo-
dc.contributor.authorHilton, Andrew K-
dc.date2015-06-23-
dc.date.accessioned2018-08-30T06:54:45Z-
dc.date.available2018-08-30T06:54:45Z-
dc.date.issued2016-01-
dc.identifier.citationJournal of Cardiothoracic and Vascular Anesthesia 2016; 30(1): 141-148-
dc.identifier.urihttp://ahro.austin.org.au/austinjspui/handle/1/18747-
dc.description.abstractTo estimate carotid and brachial artery blood flow with Doppler ultrasound in cardiac surgery patients and relate such estimates to cardiac index, lactate levels, and markers of renal function. A prospective observational study. A teaching hospital. Twenty-five elective cardiac surgery patients. The authors measured bilateral carotid and brachial artery blood flows using Doppler ultrasound and, simultaneously, cardiac index using a pulmonary artery catheter; lactate and serum creatinine levels; and urine output. The relationship between these indices and biomarkers was assessed statistically. Median carotid arterial blood flow was estimated at 0.323 L/min (interquartile ratio [IQR], 0.256-0.429 L/min) on the right and 0.308 L/min (IQR, 0.247-0.376 L/min) on the left at baseline. Median brachial arterial blood flow was estimated at 0.063 L/min (IQR, 0.039-0.115 L/min) on the right and 0.063 L/min (IQR, 0.039-0.081 L/min) on the left at baseline. There was a weak correlation between right- and left-sided flows (brachial: rho = 0.285; carotid: rho = 0.384) and between brachial and carotid flow (right: rho = 0.135, left: rho = 0.225). There also was a weak correlation between cardiac index and brachial flow (right: rho = 0.215; left: rho = 0.320) and carotid flow (left: rho = 0.159) immediately after surgery, and no correlation 1 day after surgery (right brachial: rho = -0.010; left brachial: rho = -0.064; left carotid: rho = -0.060). There were no significant correlations between carotid or brachial flows and lactate and serum creatinine levels or urine output. In cardiac surgery patients, Doppler-estimated carotid and brachial arterial blood flows have only a weak correlation with cardiac index and no correlation with lactate or creatinine levels or urine output. Thus, Doppler estimation of these blood flows cannot be used to provide noninvasive estimates of cardiac index in patients after cardiac surgery.-
dc.language.isoeng-
dc.subjectarterial Doppler blood flow-
dc.subjectcardiac index-
dc.subjectcardiac surgery-
dc.titleA Pilot Assessment of Carotid and Brachial Artery Blood Flow Estimation Using Ultrasound Doppler in Cardiac Surgery Patients.-
dc.typeJournal Article-
dc.identifier.journaltitleJournal of Cardiothoracic and Vascular Anesthesia-
dc.identifier.affiliationDepartment of Intensive Care, Austin Health, Heidelberg, Victoria, Australia-
dc.identifier.affiliationAustralian and New Zealand Intensive Care Research Centre and Department of Epidemiology and Preventive Medicine, Monash University, Melbourne, Australia-
dc.identifier.doi10.1053/j.jvca.2015.06.025-
dc.identifier.orcid0000-0002-1650-8939-
dc.identifier.pubmedid26411812-
dc.type.austinJournal Article-
dc.type.austinObservational Study-
item.languageiso639-1en-
item.grantfulltextnone-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.openairetypeJournal Article-
item.fulltextNo Fulltext-
item.cerifentitytypePublications-
crisitem.author.deptIntensive Care-
crisitem.author.deptIntensive Care-
crisitem.author.deptData Analytics Research and Evaluation (DARE) Centre-
crisitem.author.deptIntensive Care-
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