At time zero, a water column of 10 cm H2O was poured above the tested endotracheal tube (ETT) cuffs. At time zero, a water column of 10 cm H2O was poured.

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Presentation transcript:

At time zero, a water column of 10 cm H2O was poured above the tested endotracheal tube (ETT) cuffs. At time zero, a water column of 10 cm H2O was poured above the tested endotracheal tube (ETT) cuffs. The graphics represent the mean ± SD of the residual vertical height of the water column (cm) at incremental times with PEEP 0, 5, 10, and 15 cm H2O. A: Double-layer prototype (guayule latex, cylindrical). B: Microcuff (polyurethane, cylindrical). C: Mallinckrodt SealGuard (polyurethane, conical). D: Mallinckrodt Hi-Lo (PVC, cylindrical). E: Portex Ivory (PVC, cylindrical). F: Mallinckrodt High-Contour (PVC, cylindrical). G: Mallinckrodt TaperGuard (PVC, conical). From Reference 115, with permission. Carl F Haas et al. Respir Care 2014;59:933-955 (c) 2012 by Daedalus Enterprises, Inc.