In 1967, Ashbaugh et al.1 introduced the use of positive end-expiratorypressure (PEEP) during mechanical ventilation to treat refractoryhypoxemia in patients with the acute respiratory distress syndrome(ARDS). Almost 40 years later, the question of how much PEEPis enough remains relevant. Controversy regarding the optimallevel of PEEP has persisted despite years of investigation intothis question. An increase in our understanding of the pathophysiologyof ARDS and ventilator-induced lung injury has led to a renewedinterest in the debate.
Studies in animals,2,3,4 designed to illuminate the cause ofventilator-induced lung injury, show that two primary mechanisticfactors . . . [Full Text of this Article]
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From the Brown University School of Medicine and Rhode Island Hospital both in Providence.
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High versus Low PEEP in ARDS
Perren A., Rotta A. T., Brower R., Morris A., MacIntyre N., the National Heart, Lung and Blood Institute ARDS Clinical Trials Network , Levy M. M.
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N Engl J Med 2004;
351:2128-2129, Nov 11, 2004.
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