AbstractABSTRACT:ObjectiveTo compare the hemodynamic responses to orotracheal intubation with GlideScope videolaryngoscope （GSVL）and with fiberoptic bronchoscope（FOB） after induction of general anesthesia. MethodsTotally 57 ASA physical status Ⅰ-Ⅱ adult patients undergoing elective plastic surgery and requiring orotracheal intubation were randomly allocated to either GSVL group (n=29) or FOB group(n=28）. After a routine intravenous anesthetic induction，orotracheal intubation was performed. Noninvasive blood pressure(BP) and heart rate (HR) were recorded before and after anesthetic induction，at intubation and thereafter at 1 minute interval for 5 minutes. ResultsThe intubation time was not significantly different between the two groups（P＞0.05）. After intubation，BP and HR exhibited significant increases compared to the post-induction values in both groups，but the maximum values of BP did not exceed the pre-induction values while the maximum value of HR was higher than the pre-induction value. During the observation， BP and HR at all time points as well as the maximum values of BP and HR had no significant differences between the two groups（P＞0.05）. ConclusionThe orotracheal intubations using FOB and GSVL result in similar hemodynamic responses.
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