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  • Title: Failure of the colloid oncotic-pulmonary artery wedge pressure gradient to predict changes in extravascular lung water.
    Author: Feeley TW, Mihm FG, Halperin BD, Rosenthal MH.
    Journal: Crit Care Med; 1985 Dec; 13(12):1025-8. PubMed ID: 3905258.
    Abstract:
    Colloid oncotic pressure (COP), pulmonary artery wedge pressure (WP), and the COP-WP gradient were measured in seven critically ill adult patients and compared with extravascular lung water determined using the thermal-dye double-indicator dilution technique and a bedside lung water computer. Correlation coefficients for changes in extravascular lung water vs. COP, WP, and COP-WP were not significant, and in this patient population the COP-WP gradient did not predict changes in extravascular lung water.
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