[Comparison of hemodynamic responses to orotracheal intubation between using GlideScope videolaryngoscope and fiberoptic bronchoscope]

Guo-Hua Zhang, Fu-Shan Xue, Cheng-Wen Li, Hai-Yan Sun, Xuan-Ying Li, Hai-Tao Sun, Kun-Peng Liu
Zhongguo Yi Xue Ke Xue Yuan Xue Bao. Acta Academiae Medicinae Sinicae 2006, 28 (3): 406-9

OBJECTIVE: To compare the hemodynamic responses to orotracheal intubation with GlideScope videolaryngoscope (GSVL) and with fiberoptic bronchoscope (FOB) after induction of general anesthesia.

METHODS: Totally 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.

RESULTS: The 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).

CONCLUSION: The orotracheal intubations using FOB and GSVL result in similar hemodynamic responses.

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