| Pulse contour cardiac output derived from non-invasive arterial pressure in cardiovascular disease. | |
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MedLine Citation:
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PMID: 20860647 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Pulse contour methods determine cardiac output semi-invasively using standard arterial access. This study assessed whether cardiac output can be determined non-invasively by replacing the intra-arterial pressure input with a non-invasive finger arterial pressure input in two methods, Nexfin CO-trek and Modelflow , in 25 awake patients after coronary artery bypass surgery. Pulmonary artery thermodilution cardiac output served as a reference. In the supine position, the mean (SD) differences between thermodilution cardiac output and Nexfin CO-trek were 0.22 (0.77) and 0.44 (0.81) l.min(-1) , for intra-arterial and non-invasive pressures, respectively. For Modelflow, these differences were 0.70 (1.08) and 1.80 (1.59) l.min(-1) , respectively. Similarly, in the sitting position, differences between thermodilution cardiac output and Nexfin CO-trek were 0.16 (0.78) and 0.34 (0.83), for intra-arterial and non-invasive arterial pressure, respectively. For Modelflow, these differences were 0.58 (1.11) and 1.52 (1.54) l.min(-1) , respectively. Thus, Nexfin CO-trek readings were not different from thermodilution cardiac output, for both invasive and non-invasive inputs. However, Modelflow readings differed greatly from thermodilution when using non-invasive arterial pressure input. |
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Authors:
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L W J Bogert; K H Wesseling; O Schraa; E J Van Lieshout; B A J M de Mol; J van Goudoever; B E Westerhof; J J van Lieshout |
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Publication Detail:
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Type: Evaluation Studies; Journal Article; Research Support, Non-U.S. Gov't Date: 2010-09-21 |
Journal Detail:
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Title: Anaesthesia Volume: 65 ISSN: 1365-2044 ISO Abbreviation: Anaesthesia Publication Date: 2010 Nov |
Date Detail:
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Created Date: 2010-10-15 Completed Date: 2010-11-08 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0370524 Medline TA: Anaesthesia Country: England |
Other Details:
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Languages: eng Pagination: 1119-25 Citation Subset: AIM; IM |
Copyright Information:
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© 2010 The Authors. Anaesthesia © 2010 The Association of Anaesthetists of Great Britain and Ireland. |
Affiliation:
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Department of Internal Medicine, Academic Medical Centre, University of Amsterdam, Amsterdam, The Netherlands. |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Aged Blood Pressure Determination / methods Cardiac Output* Coronary Artery Bypass* Female Fingers / blood supply Humans Male Middle Aged Monitoring, Physiologic / methods Postoperative Care / methods* Posture / physiology Pulmonary Artery / physiology Reproducibility of Results Thermodilution |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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