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Correspondence
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Volume 345:1133-1134 October 11, 2001 Number 15
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Advances in Mechanical Ventilation

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To the Editor: In his review of the methods available for improving oxygenation and preventing lung injury (June 28 issue),1 we believe that Dr. Tobin made an important omission — namely, high-frequency oscillatory ventilation. High-frequency oscillatory ventilation provides respiratory gas exchange through the use of positive airway pressure–driven tidal breaths that are smaller than the anatomical dead space and breathing frequencies that are several times faster than normal.2,3 The conceptual advantage to high-frequency oscillatory ventilation is that the small tidal volume limits maximal airway pressures, whereas lung recruitment is optimized by the intrinsic positive end-expiratory pressure effect.2,3 Thus, ventilation occurs . . . [Full Text of this Article]

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