ARDS does not homogeneously affect the lung parenchyma and the infiltrates visible at the chest X-ray may derive from atelectasis, interstitial or intra-acinar edema or consolidation.. The lung injury severity is widely distributed in ARDS population (5 to 70% of the total lung weight) and it is strictly associated with the severity of injury: greater is the amount of gasless tissue at 5 cmH2O PEEP, greater is the amount of gasless tissue regaining aeration at 45 cmH2O airway pressure. We hypothesized that the regions that experience the major amount of stress and strain during mechanical ventilation are the region near to the always closed ones.
The concept of stress and strain / L. Gattinoni. ((Intervento presentato al convegno Ecuadorian congress of intensive care and 8. Advances course in critical care medicine tenutosi a Quito (Ecuador) nel 2012.
The concept of stress and strain
L. GattinoniPrimo
2012
Abstract
ARDS does not homogeneously affect the lung parenchyma and the infiltrates visible at the chest X-ray may derive from atelectasis, interstitial or intra-acinar edema or consolidation.. The lung injury severity is widely distributed in ARDS population (5 to 70% of the total lung weight) and it is strictly associated with the severity of injury: greater is the amount of gasless tissue at 5 cmH2O PEEP, greater is the amount of gasless tissue regaining aeration at 45 cmH2O airway pressure. We hypothesized that the regions that experience the major amount of stress and strain during mechanical ventilation are the region near to the always closed ones.
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