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The effects of labor on airway outcomes with supreme laryngeal mask in women undergoing cesarean delivery under general anesthesia: A cohort study

BMC Anesthesiology Aug 31, 2020

Lim MJ, Tan HS, Tan CW, et al. - Given the association of pregnancy with higher incidence of failed endotracheal intubation and its exacerbation by labor, researchers here examined the influence of labor on airway outcomes with laryngeal mask airway (LMA) for cesarean delivery. They performed a secondary analysis of a prospective cohort study on LMA use during cesarean delivery. Inclusion was performed of healthy parturients who fasted > 4 h undergoing Category 2 or 3 cesarean delivery with Supreme LMA (sLMA) under general anesthesia. On analyzing data from 584 parturients, they identified no significant increase in time to effective ventilation. However, increase in the number of insertion attempts and oropharyngeal trauma with sLMA use may occur for cesarean delivery in correlation with labor in parturients at low risk of difficult airway.

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