Objectives: Lung ultrasound is commonly used to evaluate lung morphology in patients with acute respiratory distress syndrome. Aim of this study was to determine lung ultrasound reliability in assessing lung aeration and positive end-expiratory pressure–induced recruitment compared with CT. Design: Randomized crossover study. Setting: University hospital ICU. Patients: Twenty sedated paralyzed acute respiratory distress syndrome patients: age 56 years (43–72 yr), body mass index 25 kg/m2 (22–27 kg/m2), and PaO2/FIO2 160 (113–218). Interventions: Lung CT and lung ultrasound examination were performed at positive end-expiratory pressure 5 and 15 cm H2O. Measurements and Main Results: Global and regional Lung Ultrasound scores were compared with CT quantitative analysis. Lung recruitment (i.e., decrease in not aerated tissue as assessed with CT) was compared with global Lung Ultrasound score variations. Global Lung Ultrasound score was strongly associated with average lung tissue density at positive end-expiratory pressure 5 (R2 = 0.78; p
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Publication date: Available online 7 July 2018 Source: The Journal of Emergency Medicine Author(s): Audrey Uong, Ariel Brandwein, Colin C...
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