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- Title
Changes in Airway Management and Adverse Events Related to Laryngeal Mask Airway Use in Obese Patients in the Ambulatory Surgical Setting.
- Authors
Gill, Joel; Wood, Nada L.; Joyner, Meredith
- Abstract
In the ambulatory surgical setting, the anesthesia provider must implement safe and efficient airway management techniques for an increasingly obese population. The laryngeal mask airway (LMA) is the device most frequently selected by anesthesia providers in ambulatory surgery centers (ASCs) for airway management. The purpose of this study was to evaluate the safety of LMA use in ASCs for obese patients. This retrospective data analysis of 1,004 general anesthesia cases performed in a freestanding urology center investigated the incidence of aspiration, laryngospasm, and inadequate ventilation leading to intraoperative changes in airway management. There were no incidents of aspiration and 2 incidents of laryngospasm, with no difference found between obese and healthy-weight patients. Inadequate ventilation necessitating an intraoperative change in airway management occurred in 10 of the 1,004 patients (1%), 9 of 446 obese patients (2%), and 6 of 154 morbidly obese patients (3.9%). Conversion to endotracheal intubation occurred in 2 cases, both involving morbidly obese patients in the lithotomy position. No patient had clinical sequelae. Findings in this study support that when cases are managed by experienced providers with appropriate contingency plans, LMA use does not contribute to the morbidity of obese or healthy-weight patients in the ASC.
- Subjects
AIRWAY (Anatomy); CHI-squared test; LARYNGEAL diseases; MEDICAL records; OBESITY; SURGICAL complications; SURGICAL clinics; T-test (Statistics); TRACHEA intubation; RETROSPECTIVE studies; GENERAL anesthesia; ACQUISITION of data methodology; LARYNGEAL masks
- Publication
AANA Journal, 2020, Vol 88, Issue 6, p439
- ISSN
0094-6354
- Publication type
Article