Air-Q the Intubating Laryngeal Airway: Comparative study of hemodynamic stress responses to tracheal intubation via Air-Q and direct laryngoscopy

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• 作者：Ghada M.N. Bashandy ; ^{ghada_pashandy@yahoo.com} ; Nermin S. Boules
• 关键词：Air-Q ; Direct laryngoscopy (DLS) ; Hemodynamic stress response ; General anesthesia ; Supraglottic airway devices
• 刊名：Egyptian Journal of Anaesthesia
• 出版年：2012
• 期刊代码：pca120_11101849
• 类别：med
• 出版时间：April, 2012
• 卷：28
• 期：2
• 页码：95-100
• 文件大小：382 K

摘要

Background: Tracheal intubation is the gold standard for securing airway. Tracheal intubation through DLS produces marked hemodynamic stress responses. The Air-Q is a new supraglottic airway device. The purpose of this study was to determine whether endotracheal intubation through Air-Q is associated with lesser hemodynamic stress responses.

Methods: 60 patients scheduled for elective surgery under general anesthesia requiring endotracheal intubation were randomly assigned into two groups. Direct laryngoscopy group and Air-Q group. Blood pressure and heart rate were recorded before, after induction, immediately after intubation and every minute for 4 min after intubation. The intubation time was recorded. Upon removal of the Air-Q, trauma to the upper airway was reported.

Results: The intubation time was shorter in the DLS group compared with the Air-Q group (P value < 0.05). A significant reduction in BP was evident after the induction of anesthesia in both groups. Immediately after intubation, there was a significant increase in BP compared with the preintubation values. A decline was inspected between 1 and 4 min postintubation in both groups with significant difference immediately, at 1 and 2 min postintubation between the two groups. There were significant increase in HR immediately, at 1 and 2 min postintubation compared with the preintubation values, but there was no significant difference at each time point between two groups. Sore throat was more in the Air-Q group (P value <0.05).

Conclusion: The hemodynamic stress response to intubation by Air-Q is less than that of DLS despite the longer duration of the former.