title: [Hemodynamic effects of extubation of an endotracheal tube in patients following cardiac surgery--inspiratory or expiratory phase?].
abstract: The question whether an endotracheal tube should be removed in the inspiratory phase or in the expiratory phase is still controversial. Hemodynamic effects of extubation at each phase were compared in 14 patients following cardiac surgery. In the patients who were extubated in the expiratory phase, marked changes in heart rate (HR), systolic arterial pressure (SAP), mean arterial pressure (MAP), and rate pressure product (RPP) were observed at one, five and 10 minutes after the extubation. In the patients whose endotracheal tubes were removed in the inspiratory phase, only small changes in SAP, MAP and RPP were observed at one and five minutes after the extubation. Since hemodynamic changes after cardiac surgery must be prevented as much as possible, we may conclude that the endotracheal tube should be removed in the inspiratory phase.
authors.forename: T
authors.initials: T
authors.lastname: Shigemoto
authors.forename: K
authors.initials: K
authors.lastname: Okamoto
authors.forename: H
authors.initials: H
authors.lastname: Katsuya
authors.forename: T
authors.initials: T
authors.lastname: Morioka
mesh_terms: D000368:Aged; D006348:Cardiac Surgical Procedures; D005260:Female; D006439:Hemodynamics; D006801:Humans; D007442:Intubation, Intratracheal; D008297:Male; D008875:Middle Aged; D011184:Postoperative Period; D012119:Respiration