• Anesthesia and analgesia · Jan 2011

    Comparative Study

    Technical communication: respiratory variation in pulse pressure and plethysmographic waveforms: intraoperative applicability in a North American academic center.

    • Sinead Maguire, Joseph Rinehart, Shermeen Vakharia, and Maxime Cannesson.
    • Department of Anesthesiology & Perioperative Care, School of Medicine, University of California, Irvine, Orange, California 92868-3301, USA.
    • Anesth. Analg. 2011 Jan 1;112(1):94-6.

    AbstractDynamic variables are the best predictors of fluid responsiveness in patients under general anesthesia and mechanical ventilation; namely, respiratory variations in pulse pressure and in the plethysmographic waveform. However, these variables have potential limitations. Our aim was to evaluate their intraoperative applicability. We extracted clinical data from all anesthesia procedures performed at our institution in 2009 and identified the number of cases that presented predetermined conditions of application. Among the 12,308 procedures, 39% met the criteria for the noninvasive monitoring of variations in the plethysmographic waveform of which 23% had arterial lines and met the criteria for the invasive monitoring of variations in pulse pressure.

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