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Figure 4 | Critical Care

Figure 4

From: Lung protection during non-invasive synchronized assist versus volume control in rabbits

Figure 4

Ventilator pressures during volume control (VC), and prong and tracheal pressure during non-invasive ventilation with neurally adjusted ventilator assist (NIV-NAVA). (A) End-expiratory pressure (End Exp P, solid squares) and peak inspiratory pressure (above End Exp P, open squares) during VC in pre-acute lung injury (Pr-ALI) conditions, Post-ALI, and during 6 hours of ventilation. Peak inspiratory pressures increased during hours 5 and 6. (B) End-expiratory tracheal pressure (solid black circles), peak inspiratory tracheal pressure (gray solid circles), and peak prong pressure (open circles) during NIV-NAVA in Pre-ALI conditions, Post-ALI, and during 6 hours of ventilation. Values are mean ± SD. * VC, significantly different from 1 h. Ptr, tracheal pressure; Pvent; ventilator pressure.

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