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Transpulmonary thermodilution assessments: precise measurements require a precise procedure

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Published in Critical Care. 2011, vol. 15, no. 5, p. 195
Abstract When incorporating the values of a hemodynamic parameter into the care of patients, the precision of the measurement method should always be considered. A prospective analysis in the previous issue of Critical Care showed that the precision of transpulmonary thermodilution (TPTD) allows for reliable mean values if a standardised procedure is used. The present finding has a physiological basis, as TPTD requires a more prolonged transit time, which in turn reduces the effects that airway pressure and arrhythmia have on venous return-cardiac output steady states. Moreover, this result suggests that the current accepted threshold value of a 15% increase in cardiac output to identify a positive response to a fluid challenge could be reduced in the future. Indeed, this value is mainly related to the precision of the pulmonary artery catheter.
Keywords FemaleHumansInjections/utilizationMaleMonitoring, Physiologic/standardsThermodilution/methods
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PMID: 21995848
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Article (Published version) (281 Kb) - document accessible for UNIGE members only Limited access to UNIGE
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Research group Groupe de Recherche en Hémodynamique (913)
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GIRAUD, Raphaël, SIEGENTHALER, Nils, BENDJELID, Karim. Transpulmonary thermodilution assessments: precise measurements require a precise procedure. In: Critical Care, 2011, vol. 15, n° 5, p. 195. https://archive-ouverte.unige.ch/unige:26553

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Deposited on : 2013-03-04

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