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Year : 2021  |  Volume : 4  |  Issue : 1  |  Page : 35-40

Comparison of clinical performance of Ambu Aura40 laryngeal mask airway with Classic laryngeal mask airway for spontaneous ventilation during elective surgeries under general anaesthesia

Department of Anaesthesia, Bangalore Baptist Hospital, Bengaluru, Karnataka, India

Correspondence Address:
Dr. Reena R Kadni
Department of Anaesthesia, Bangalore Baptist Hospital, Bellary Road, Hebbal, Bengaluru - 560 024, Karnataka
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/arwy.arwy_64_20

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Background: Introduction of the laryngeal mask airway (LMA) has revolutionised the practice of anaesthesia. This study compares the clinical performance of Ambu Aura40 LMA with Classic LMA in anaesthetised spontaneously breathing patients in terms of its ease of use and side effects. Patients and Methods: In this prospective randomised controlled study, 176 patients were allocated to either the Classic LMA or Ambu Aura40 LMA group according to a pregenerated block randomisation number sequence with concealment method. The allocated LMA was placed under general anaesthesia without muscle relaxant. The time and ease of insertion were noted in addition to any adverse events. Results: It was observed that Ambu Aura40 LMA and the Classic LMA were positioned successfully in the first attempt in 94% and 81% of patients respectively. The Ambu Aura40 LMA was placed in <12 s in 52% of patients, whereas only 2% of patients in the Classic LMA group could have the device placed within 12 s. Ninety-four percent of Classic LMA and 48% of Ambu Aura40 LMA were placed between 12 and 16 s, respectively. Statistically, a significant difference was noted with time and ease of insertion in between the groups. Conclusion: Ambu Aura40 LMA is better in terms of ease of insertion, with reduced time for insertion and lesser incidence of postoperative sore throat in comparison with Classic LMA.

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