Comparison of the ease of tracheal intubation by postgraduate residents of anesthesiology using Airtraq ™ and Macintosh laryngoscopes: An observational study (original) (raw)

Anesthesia: Essays and Researches, 2015

Abstract

Context: Airtraq™ (Prodol Meditec, Vizcaya, Spain) is a recently developed laryngoscope, which facilitates easy visualization of glottis through a matrix of sequentially arranged lenses and mirrors. In this observatory study, we sought to compare the ease of tracheal intubation with Airtraq™ and Macintosh laryngoscope when performed by 2nd year postgraduate residents of Anesthesiology in NRI Medical College, Mangalagiri. Aims: To compare the ease of tracheal intubation by Airtraq™ laryngoscope with that by Macintosh laryngoscope among the 2nd year postgraduate residents of anesthesiology in terms of time taken for intubation and the rise of rate-pressure product (RPP) with intubation. Settings and Design: Prospective randomized observational study. Subjects and Methods: Eighty adult and healthy patients with an easy airway, scheduled for general anesthesia were allocated into two groups A, and M. Patients in Group A were intubated with Airtraq™ laryngoscope and those in Group M were intubated with Macintosh laryngoscope by the 2nd year postgraduate residents of anesthesiology. The time taken for intubation, the RPPs at baseline, after induction of general anesthesia, postintubation, at 3 and 5 min after intubation, the rise of RPP to intubation and the occurrence of a sore throat were compared between the two groups. Statistical Analysis Used: Descriptive and inferential statistical methods were used to analyze the data. Results: The mean time for intubation in Macintosh group was 28.18 s and was 40.98 s in Airtraq group. The mean rise of RPP to intubation was 4644.83 in Airtraq group and 2829.27 in Macintosh group. The incidence of a sore throat was equal in both the groups. Conclusions: The time for intubation and the sympathetic response to airway instrumentation were more with Airtraq™ laryngoscope than with Macintosh laryngoscope.

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