Abstract：Objective To explore the application effect of UE video laryngoscope combined with adjustable tracheal tube in general anesthesia.Methods A total of 121 patients with general anesthesia for tracheal intubation from June 2017 to July 2018 in our hospital were selected as the research objects.They were divided into the study group (n=61)and the control group (n=60)according to random number table method.The control group was treated with direct laryngoscope combined with common tracheal tube for tracheal intubation.The study group was treated with UE video laryngoscope combined with adjustable tracheal tube for tracheal intubation.The changes of hemodynamic parameters(including systolic blood pressure,diastolic blood pressure,heart rate,etc.)before and immediately after induction of anesthesia,glottic exposure time,tracheal intubation time,success rate of primary intubation,mis-intubation rate and incidence of complications were compared between the two groups.Results Before induction of anesthesia,there was no significant difference in systolic blood pressure,diastolic blood pressure and heart rate between the two groups (P＞0.05).Immediately after intubation,the systolic blood pressure,diastolic blood pressure and heart rate of the study group were lower than those of the control group,the difference was statistically significant(P＜0.05).There was no significant difference in the level of hemodynamics in the study group between immediately after intubation and the anesthesia before induction (P＞0.05).The level of hemodynamics immediately after intubation in the control group were higher than those in the anesthesia before induction,and the difference was statistically significant(P＜0.05).The glottic exposure time and tracheal intubation time of the study group were shorter than those of the control group,the success rate of one intubation in the study group was higher than that in the control group,with significant difference(P＜0.05).The total postoperative complication rate and misinterpretation rate of the study group were lower than those of the control group,with significant difference (P＜0.05).Conclusion In patients with general anesthesia tracheal intubation,the use of UE video laryngoscope combined with adjustable tracheal tube for tracheal intubation can not only ensure the success rate of patient intubation,but also shorten the time of tracheal intubation,reduce the influence of tracheal intubation on hemodynamics and reduce the incidence of complications after operation.
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