| Cardiac output measured by uncalibrated arterial pressure waveform analysis by recently released software version 3.02 versus thermodilution in septic shock. | |
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MedLine Citation:
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PMID: 23154918 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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To evaluate the 3.02 software version of the FloTrac/Vigileo™ system for estimation of cardiac output by uncalibrated arterial pressure waveform analysis, in septic shock. Nineteen consecutive patients in septic shock were studied. FloTrac/Vigileo™ measurements (COfv) were compared with pulmonary artery catheter thermodilution-derived cardiac output (COtd). The mean cardiac output was 7.7 L min(-1) and measurements correlated at r = 0.53 (P < 0.001, n = 314). In Bland-Altman plot for repeated measurements, the bias was 1.7 L min(-1) and 95 % limits of agreement (LA) were -3.0 to 6.5 L min(-1), with a %error of 53 %. The bias of COfv inversely related to systemic vascular resistance (SVR) (r = -0.54, P < 0.001). Above a SVR of 700 dyn s cm(-5) (n = 74), bias was 0.3 L min(-1) and 95 % LA were -1.6 to 2.2 L min(-1) (%error 32 %). Changes between consecutive measurements (n = 295) correlated at 0.67 (P < 0.001), with a bias of 0.1 % (95 % limits of agreement -17.5 to 17.0 %). All changes >10 % in both COtd and COfv (n = 46) were in the same direction. Eighty-five percent of the measurements were within the 30°-330° of the polar axis. COfv with the latest software still underestimates COtd at low SVR in septic shock. The tracking capacities of the 3.02 software are moderate-good when clinically relevant changes are considered. |
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Authors:
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Cornelis Slagt; Marcel A de Leeuw; Jan Beute; Emmy Rijnsburger; Martijn Hoeksema; Jan W R Mulder; Ignacio Malagon; A B Johan Groeneveld |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-11-15 |
Journal Detail:
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Title: Journal of clinical monitoring and computing Volume: - ISSN: 1573-2614 ISO Abbreviation: J Clin Monit Comput Publication Date: 2012 Nov |
Date Detail:
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Created Date: 2012-11-16 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9806357 Medline TA: J Clin Monit Comput Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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Zaans Medical Centre, Koningin Julianaplein 58, Postbus 210, 1500 EE, Zaandam, The Netherlands, Slagtc@gmail.com. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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