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Page 2
Technique
Parameter
Possible target range of values for safe spontaneous breathing
Esophageal pressure
Peak end-inspiratory transpulmonary pressure (PL)
≤20 cmH2O
Swing in transpulmonary pressure (ΔPL)
≤15 cmH2O
Peak inspiratory muscle pressure (Pmus)
5–10 cmH2O
Esophageal pressure swing (ΔPes)
3–8 cmH2O
Transdiaphragmatic pressure swing (ΔPdi)
5–10 cmH2O
Pressure time product (PTP)
50–100 cmH2O/s/min
Occlusion maneuvers
Inspiratory occlusion for plateau airway pressure (Pplat)
≤30 cmH2O
Inspiratory occlusion for driving pressure (ΔPaw = Pplat − PEEP)
