Comparative evaluation of air-Q and classic laryngeal mask airway for surgeries under anesthesia: A randomized open-label trial

Taxak, Susheela; Bihani, Pooja; Jaju, Rishabh; Kamal, Kirti; Ahlawat, Mangal; Sethi, Priyanka; Vyas, Rakesh Kumar

doi:10.4103/theiaforum.theiaforum_2_18

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“…The OSP was determined by closing the expiratory valve of the circle system up to 30 cm H 2 O, at a fixed gas flow of 3 litres per minute and recording the airway pressure on the monitor at which equilibrium was reached and by detection of audible noise or by listening air leak through a stethoscope placed on the neck. [ 8 - 10 ] To ensure safety, maximum allowable OSP was set at 40 cm H 2 O, and adjustable pressure limiting valve pressure was released if there was no audible leak even at maximum allowable pressure.…”

Section: Methodsmentioning

confidence: 99%

Comparison of clinical performance of Ambu® AuraGain™ and BlockBuster® in anaesthetised preschool children-A randomised controlled trial

Gaur

Jaju

Paliwal

et al. 2023

Indian Journal of Anaesthesia

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Background and Aims: Supraglottic airway (SGA) devices are a boon to paediatric airway management. The clinical performances of the BlockBuster ® laryngeal mask airway (LMA) and Ambu® AuraGain™ in preschool children were compared in this study. Methods: After ethical approval and trial registration, this randomised controlled study was conducted on 50 children, aged 1–4 years, randomised into two groups. Appropriate sized Ambu® AuraGain™ (group A) and LMA BlockBuster ® (group B) were placed as per the manufacturer’s recommendation under general anaesthesia. Appropriate size of the endotracheal tube was then chosen and inserted through the device. Primary objective of the study was to compare the oropharyngeal seal pressure (OSP), and secondary objectives were the first attempt intubation success rate, overall intubation success rate, SGA insertion time, intubation time, haemodynamic changes and postoperative pharyngolaryngeal complications. The Chi-square test was used to analyse the categorical variables, while the intragroup comparison of mean changes in outcomes was evaluated by the unpaired t -test. The level of significance was set at P < 0.05. Results: Demographic parameters were uniformly distributed in both the groups. The mean OSP in group A was 26.6 ± 0.95 cm H 2 O and in group B was 29.08 ± 0.75 cm H 2 O. Both the devices were successfully inserted in all the patients. The success rate of blind endotracheal intubation through the device in first attempt was 4% in group A and 80% in group B. Postoperative pharyngolaryngeal complications were relatively less in group B. Conclusion: LMA BlockBuster ® provides higher OSP and provides a higher success rate of blind endotracheal intubation in paediatric patients.

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Section: Methodsmentioning

confidence: 99%