The effect of closed system suction on airway pressures when using the Servo 300 ventilator

Objectives: To measure airway pressures during closed system suctioning with the ventilator set to three differing modes of ventilation. Methods: Closed system suctioning was conducted in 16 patients following cardiac surgery. Suctioning was performed using a 14 French catheter with a vacuum level o...

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Veröffentlicht in:Critical care and resuscitation 2001-12, Vol.3 (4), p.230-235
Hauptverfasser: Frengley, R W, Closey, D N, Sleigh, J W, Torrance, J M
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Sprache:eng
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Zusammenfassung:Objectives: To measure airway pressures during closed system suctioning with the ventilator set to three differing modes of ventilation. Methods: Closed system suctioning was conducted in 16 patients following cardiac surgery. Suctioning was performed using a 14 French catheter with a vacuum level of -500 cmH2O through an 8.0 mm internal diameter endotracheal tube. The lungs were mechanically ventilated with a Servo 300 ventilator set to one of three ventilation modes: volume-control, pressure-control or CPAP/pressure support. Airway pressures were measured via a 4 French electronic pressure transducer in both proximal and distal airways. Results: Following insertion of the suction catheter, end-expiratory pressure increased significantly (p
ISSN:1441-2772
DOI:10.1016/S1441-2772(23)00590-2