Postoperative Care in Thoracic Surgery by Mert Şentürk & Mukadder Orhan Sungur

Author:Mert Şentürk & Mukadder Orhan Sungur
Language: eng
Format: epub
Publisher: Springer International Publishing, Cham

The EV1000TM/VolumeViewTM system (Edwards Lifesciences, Irvine, California) has been more recently introduced, but is analogous to the PiCCOTM monitor, using pulse wave analysis to calculate CO. A proprietary thermistor-tipped femoral artery catheter and a separate sensor are the main components of the system. This system requires calibration by transpulmonary thermodilution. It has been validated off-line against the PiCCOTM and transpulmonary thermodilution in critically ill patients [31].

The LiDCOTMplus system (LiDCO Ltd, Cambridge, UK) uses pulse power analysis to calculate SV and is therefore not technically a pulse contour device. The algorithm is based on the principle of conservation of mass (power), assuming a linear relationship between the net power change and the net flow in the vascular system. This system requires correction for vascular compliance, with calibration using a transpulmonary lithium indicator dilution technique performed via an indwelling arterial catheter. It has been validated in critically ill patients [32, 33].

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