Ventilatory support in the acute respiratory distress syndrome (ARDS) has undergone considerable transformation in the 1990s. Current approaches include lung protective techniques which, while attempting to recruit and maintain lung volume, limit the shear stresses associated with ventilation by avoiding both alveolar overdistension and cyclical end-expiratory collapse. In addition, gas exchange targets have been liberalized and ventilatory conduct is much more tailored to individual pulmonary mechanics. Assessment of the inspiratory volume-pressure (V-P) curve provides information which can direct ventilator settings. Recent information from clinical trials has provided new insights into appropriate ventilatory modification and set the foundation for future clinical investigations.
Ventilatory support in the acute respiratory distress syndrome.
RANIERI, Vito Marco
1999-01-01
Abstract
Ventilatory support in the acute respiratory distress syndrome (ARDS) has undergone considerable transformation in the 1990s. Current approaches include lung protective techniques which, while attempting to recruit and maintain lung volume, limit the shear stresses associated with ventilation by avoiding both alveolar overdistension and cyclical end-expiratory collapse. In addition, gas exchange targets have been liberalized and ventilatory conduct is much more tailored to individual pulmonary mechanics. Assessment of the inspiratory volume-pressure (V-P) curve provides information which can direct ventilator settings. Recent information from clinical trials has provided new insights into appropriate ventilatory modification and set the foundation for future clinical investigations.
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