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Aerosolized Pseudomonas Elastase And Lung Fluid Balance In Anesthetized Sheep, B. T. Peterson, M. L. Collins, L. D. Gray, Ali Azghani
Aerosolized Pseudomonas Elastase And Lung Fluid Balance In Anesthetized Sheep, B. T. Peterson, M. L. Collins, L. D. Gray, Ali Azghani
Ali Azghani
The role of the lung epithelium in lung fluid balance was studied by ventilating anesthetized sheep with an aerosol of 20 mg of elastase from Pseudomonas aeruginosa (Ps. elastase) to increase lung epithelial permeability without affecting lung endothelial permeability or lung vascular pressures. Ps. elastase had no effect on the lung vascular pressures, the alveolar-arterial PO2 gradient (A-aPO2), the flow or protein concentration of the lung lymph, or the postmortem water volume of the lungs. The morphological alveolar flooding score in these sheep was 2.5 times the control level, but this was only marginally significant. Elevation of the left atrial …