Higher versus lower positive end-expiratory pressures in patients with the acute respiratory distress syndrome.

Abstract

BACKGROUND Most patients requiring mechanical ventilation for acute lung injury and the acute respiratory distress syndrome (ARDS) receive positive end-expiratory pressure (PEEP) of 5 to 12 cm of water. Higher PEEP levels may improve oxygenation and reduce ventilator-induced lung injury but may also cause circulatory depression and lung injury from… (More)

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