ArticleBMC anesthesiology2026
Age-related differences in the performance of the self-pressurising air-Q intubating laryngeal airway: a prospective comparative study.
Article in BMC anesthesiology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
purposeThe clinical performance of supraglottic airway devices (SADs) may be affected by anatomical and physiological changes of the oropharyngeal structure that occur with aging. We aimed to evaluate the performance of self-pressurized air-Q intubating laryngeal airway (air-Q SP) in young, middle-aged, and elderly patient groups undergoing elective surgery under general anesthesia with the use of an air-Q SP.
methodsA total of 153 patients, aged 18-85 years, with American Society of Anesthesiologists physical status I-III who underwent urological surgery were included in this prospective, comparative study. Patients were equally allocated into groups according to parient age, Group Young: 18-40 years; Group Middle-aged: 41-64 years and Group Elderly: 65-85 years. The primary outcome was oropharyngeal leak pressure (OLP); SAD insertion time, first-attempt success rate, ease of insertion, maneuvers required for successful ventilation, fiberoptic grading of the glottic view, peak inspiratory pressure (PIP) and postoperative complications were also assessed. Analysis of variance was used for comparisons between patient groups, and adjusted p values were reported in the post hoc tests. Multivariate regression analyses were performed to evaluate factors associated with OLP values.
resultsThe median [IQR] OLP values were 29 [26-35] cm H
conclusionCompared with the middle-aged and elderly groups, the young group had superior sealing and insertion characteristics with use of air-Q SP but transient early postoperative dysphagia and dysphonia. The air-Q SP was sufficient for adequate ventilation in all groups.
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