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Manual ventilation versus open suction procedure.

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Presentation on theme: "Manual ventilation versus open suction procedure."— Presentation transcript:

1 Manual ventilation versus open suction procedure.
Manual ventilation versus open suction procedure. Pressures distal to ETT 7 mm during bronchoscopic suctioning: changes in peak, mean and end-expiratory model airway pressures (PPEAK MA, PMEAN MA and PEEP MA) distal to an ETT with 7 mm inner diameter during bronchoscope insertion (16 Fr) and maximum suction (−765 cm H2O (−75 kPa)) are shown. For comparison, unpublished tracings from a previous study of mechanical ventilation are shown below. The total effect of suctioning compared with normal ventilation is shown as Δ PPEAK MA and Δ PEEP MA. Note that during the suction procedure, PMEAN MA is −10 cm H2O in manual ventilation, −18 cm H2O with the ETT disconnected and 7 cm H2O during mechanical volume-controlled ventilation. ETT, endotracheal tube. Espen Rostrup Nakstad et al. BMJ Open Resp Res 2017;4:e000176 ©2017 by British Thoracic Society

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