Objective  To evaluate the efficiency and safety of Glide Scope videolaryngoscope in tracheal intubation of patients with cesarean section under general anesthesia.

  Methods  Totally 30 patients with selective cesarean section under general anesthesia were randomly divided into group M and group G, with 15 cases in each group. Group M underwent tracheal intubation by McCoy laryngoscope, and Group G underwent tracheal intubation by Glide Scope videolaryngoscope. The exposure grade of glottis, the number of patients with successful intubation by one time and intubation time were recorded in both groups. The heart rate (HR) and mean arterial pressure (MAP) were recorded at time points of before induction of anesthesia (T₁), immediately after intubation (T₂), 1 minute after intubation (T₃), 5 minutes after intubation (T₄). The complications such as oral and pharyngeal mucosa injury, gum injury, pharyngalgia and hoarseness after extubation were recorded in both groups.

  Results  The exposure grade of glottis in group G was significantly lower than that in group M (P < 0.05), and the intubation time was significantly shorter than that in group M (P < 0.05). There was no significant difference in the number of patients with successful intubation by one time between the two groups (P>0.05). HR and MAP at T₂ in group M were significantly higher than those in group G (P < 0.05). The incidence of adverse reactions caused by tracheal intubation in group G was significantly lower than that in group M (P < 0.05).

  Conclusion  Glide Scope videolaryngoscope has the advantages of easy glottic exposure, high success rate of tracheal intubation, short intubation time and less adverse reactions in tracheal intubation of patients with cesarean section under general anesthesia.