Abstract
Objectives The aim of the present study was to compare two supraglottic airway (SGA) devices (i.e., the i-gel® © Intersurgical Ltd and air-Q® (Reusable) Cookgas company) in terms of the insertion time, amount of leak during ventilation with maximum positive pressure, and postoperative complications in patients referring to Modarres Hospital in Tehran. Method The present double-blind clinical trial was performed on 60 patients undergoing elective surgeries that required general anesthesia with muscle relaxation. Patients were randomly assigned to either i-gel® (n = 30) or Air-Q® (n = 30) groups. ResultsThe mean age, body mass index, duration of surgery, duration of anesthesia, and gender ratio were not significantly different between the two groups. Mean ± SD values of the SGA devices' insertion time (in seconds) in the air-Q® and i-gel® groups were 4.87 ± 1.6 and 6.80 ± 1.2, respectively (P < 0.001). The mean OLP in the Air-Q® group was significantly higher than that of the i-gel® group (35.9 ± 9.6 versus 24.8 ± 3.7, p < 0.001). The frequency of complications occurred after the supraglottic airway insertion was higher in the i-gel® group. However, only in terms of sore throat, the difference between the two groups was statistically significant: 6 (20%) had sore throat (P = 0.024) in the i-gel groups, but in in the Air-Q® groups no one had this side effect after surgery. Conclusion It was concluded that the Air-Q® supraglottic airway was placed faster and easier with fewer complications than the i-gel in general anesthesia with muscle relaxation. The frequency of the occurrence of all three complications, cough, sore throat, and blood, on the cuff (6 (20%) was higher in the i-gel group than that in the air-Q® group (cough3 (10%), sore throat 0 (0%), and blood on the cuff 3 (10%) (P < 0.05).
Highlights
One of the most important challenge of anesthesia is airway managment [1]
Considering the fact that there is a dearth of study on comparing the safety and efficacy of these two devices, this study attempted to compare the i-gel and air-Q devices in terms of the insertion time, amount of leak during maximum positive-pressure ventilation, and postoperative complications including sore throat, cough, and trauma in the patients referring to Modarres Hospital in Tehran for undergoing elective surgeries. This clinical trial was performed on 60 patients with ASA III who referred to Shahid Modarres Hospital in Tehran and were candidates for minor elective surgeries under general anesthesia with muscle relaxation and controlled ventilation
60 patients who were candidates for minor elective surgeries under general anesthesia with muscle relaxation and under ventilation with a ventilator in Shahid Modarres Hospital were eligible for inclusion in this study
Summary
One of the most important challenge of anesthesia is airway managment [1]. After the old anesthesia techniques that resulted in adverse effects of hypoxia caused by airway obstruction, tracheal intubation was considered as a special and great evolution in establishing an airway in anesthetic conditions by anesthetists and other specialists. For a long time, there was not much interest in other airway devices [1]. This attitude gradually began to change with the emergence of supraglottic airway devices [1]. The emergence of laryngeal mask (LMA) as the first supraglottic airway device [3] was a turning point in airway management [1]
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