PMC5547244_01
Continuous distending pressure (CDP), fraction of inspired oxygen (FiO2) and pulse oxygen saturation (SpO2) during the three phases of the high lung volume strategy maneuver in HFOV. The vertical line indicates the start of inhaled nitric oxide (iNO). The black arrow points out the "critical closing pressure point".
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SpO2 and TcPCO2 targets were maintained in range during this phase, as well (Fig. 1).
End-expiratory chest wall volume variation (DeltaEEcw), pulse oxygen saturation (SpO2), trans-cutaneous partial pressure of carbon dioxide (TcPCO2) and fraction of inspired oxygen (FiO2) during high lung volume strategy after surgery in CMV. Driving pressure is positive end-expiratory pressure (PEEP) and it is reported on the x-axis. The black arrow indicates the starting point and the grey ones clarify the direction of the maneuver.
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OEP was used to measure DeltaEEcw at different PEEP levels (Fig. 2).