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Intensive Care Medicine Experimental
Fig. 1 | Intensive Care Medicine Experimental

Fig. 1

From: Computed tomographic assessment of lung aeration at different positive end-expiratory pressures in a porcine model of intra-abdominal hypertension and lung injury

Fig. 1

Effect of descending positive end expiratory pressure (PEEP) level on end-expiratory segmental lung volumes measured by computed tomography with healthy lungs (a) and after creating lung injury (b). Abdomen was inflated to an intra-abdominal pressure of 27 cmH2O (20 mmHg). Three lung segments are depicted at each condition with left to right representing ventral, medial and dorsal lung segment, respectively. Segmental lung volumes are a composite of overdistended (light grey, − 1000 to − 901 HU), normally aerated (dark grey, − 900 to − 501 HU), poorly aerated (light grey third from top, − 500 to − 101 HU) and non-aerated atelectatic lung (black, − 100 to 200 HU). Mean and SE are shown. See Table 1 for statistical comparisons

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