Association of Mallampati scoring on airway outcomes in women undergoing general anesthesia with Supreme™ laryngeal mask airway in cesarean section

Autor: Hon Sen Tan, Shi Yang Li, Wei Yu Yao, Yong Jing Yuan, Rehena Sultana, Nian-Lin R. Han, Alex Tiong Heng Sia, Ban Leong Sng
Jazyk: angličtina
Rok vydání: 2019
Předmět:
Zdroj: BMC Anesthesiology, Vol 19, Iss 1, Pp 1-7 (2019)
Druh dokumentu: article
ISSN: 1471-2253
DOI: 10.1186/s12871-019-0796-5
Popis: Abstract Background Obstetric dfficult airway is a leading cause of maternal morbidity and mortality. The laryngeal mask airway (LMA) is often used as a rescue airway device after failed intubation, however, little is known about predictors of difficult LMA insertion, particularly in obstetrics. Since Mallampati scores of III/IV has been associated with difficult tracheal intubation, our present study aims to investigate if Mallampati score (MP) could predict airway outcomes for LMA use in obstetrics. Methods This prospective cohort study was performed at a single-center: Quanzhou Women’s and Children’s Hospital, Fujian Province, China. Five hundred and eighty-four parturients undergoing elective cesarean section under general anesthesia were recruited. The primary outcome was time to effective ventilation, and secondary outcomes included first attempt insertion success, seal pressure, ventilation and hemodynamic parameters, occurrence of clinical aspiration, and maternal and fetal outcomes. Results The parturients were classified into two groups based on MP of III/IV (High MP: 61) versus I/II (Low MP: 523). BMI was higher in the High MP group than in the Low MP group (mean (SD) 29.3 (7.0) vs 26.8 (3.1), p
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