• L M Joly and F Brunet.
• Service de Réanimation polyvalente, CHU Cochin-Port Royal, Paris.
• Presse Med. 1996 Oct 19;25(31):1473-8.

AbstractArtificial ventilation plays a key role in the treatment of acute respiratory distress syndrome (ARDS). Initially, the goal is to normalize gas exchange compromised by the lung disease. Positive pressure ventilation can however aggravate prior lesions of the pulmonary parenchyma, at least in areas of the lung accessible to ventilation. Computed tomography of the lung has given us a better understanding of the pathogenesis of these ventilation-induced lesions, leading to new ventilatory strategies aimed at assuring adequate oxygenation without damaging the parenchyma. These ventilatory modes may tolerate a certain degree of hypercapnia to avoid lung injury. Improved oxygenation relies on optimizing the ventilation/perfusion ratio, either with inhaled nitric oxide or a supine position to improve alveolar recruitment. In the most severe cases, extra-corporal gas exchange systems have shown their efficacy for patients whose lungs cannot be ventilated. Thus ventilation should be carefully adapted to each patient based on the severity of the ARDS and its clinical course. We present a practical protocol based on a hierarchy rationale for each ventilation mode and indicate the explorations required to adapt each mode to a specific patient.

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