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Fig. 3 | Critical Care

Fig. 3

From: Response to PEEP in COVID-19 ARDS patients with and without extracorporeal membrane oxygenation. A multicenter case–control computed tomography study

Fig. 3

Total superimposed pressure at PEEP 5cmH2O and hyperinflation-to-recruitment ratio as a function of ARDS severity. The total superimposed pressure is the hydrostatic pressure superimposed in the most dorsal level of the lungs, computed with CT, assuming that pressure is transmitted through the lung parenchyma as in a fluid. Data points are individual values in each lung for total superimposed pressure and individual values in the whole lung for hyperinflation-to-recruitment ratio. a, p < 0.05 vs severe ARDS under ECMO.ARDS, acute respiratory distress syndrome, CT, computed tomography, ECMO, extracorporeal membrane oxygenation, MODERATE, moderate ARDS, PEEP, positive end-expiratory pressure, SEVERE, severe ARDS without ECMO, SEVERE ECMO, severe ARDS under ECMO

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