oa Southern African Journal of Anaesthesia and Analgesia - Comparison of the air-Q ILA and the LMA-Fastrach in airway management during general anaesthesia : original research
One hundred and sixty patients aged between 20-60 years with ASA physical status I-II, undergoing elective surgery under general anaesthesia, were enrolled into this prospective, randomised, double-blinded study to compare the success rate of tracheal intubation between the air-Q intubating laryngeal airway (ILA) and the laryngeal mask airway (LMA)-Fastrach (80 patients in each group). The degree of mouth opening, occurrence of coughing, laryngospasm, ease of insertion, adequacy of ventilation, and number of attempts were recorded during the insertion of the air-Q ILA and the LMA-Fastrach. Tracheal intubation via the supraglottic airway devices was then performed, and cricoid manipulation, ease of insertion and number of attempts, were noted. Postoperatively, the degree to which patients had a sore throat using visual analogue scale (VAS), hoarseness of voice and blood on the air-Q ILA and the LMA-Fastrach were recorded. In terms of ease of insertion, there was no statistically significant difference between the insertion of the air-Q ILA and the LMA-Fastrach. However, in terms of ease of tracheal intubation, the LMA-Fastrach group was superior (p-value = 0.001) in terms of external cricoid manipulation requirement, ease of intubation, and the number of attempts (p-value = 0.009). The success of blind intubation, with up to three attempts, was 77 (97.47%) and 60 (75%) patients, in the LMA-Fastrach and air-Q ILA groups, respectively. In conclusion, there was no statistical difference between the air-Q ILA and the LMA-Fastrach in terms of ease of insertion, incidence of adverse response, and adequacy of ventilation. However, tracheal intubation was superior using the LMA-Fastrach, rather than the air-Q ILA.
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