Multivariate Analysis of the Failure Risk of First Tracheal Intubation Attempt in a Population of Patients Scheduled for Bariatric Surgery

Background Airway management during the administration of anesthesia to patients undergoing bariatric surgery is challenging. The goal is to avoid multiple intubation attempts because the risk of complications increases with the number of attempts. The objective of this study was to determine the fa...

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Bibliographic Details
Published in:	Obesity surgery Vol. 31; no. 10; pp. 4392 - 4398
Main Authors:	Galinski, Michel, Chouteau, Marine, Lunghi, Gessica, Vinurel, Marianne, Blazy, Béatrice, Cher, Mouni, Alouane, Bruno, Bento, Hélène, Germain, Jean-Louis, Barrat, Christophe, Catineau, Jean, Gil-Jardiné, Cédric, Baillard, Christophe
Format:	Journal Article
Language:	English
Published:	New York Springer US 01-10-2021 Springer Nature B.V Springer Verlag
Subjects:	Gastrointestinal surgery Intubation Life Sciences Medicine Medicine & Public Health Original Contributions Santé publique et épidémiologie Surgery Difficult tracheal intubation Morbid obesity Airway assessment Bariatric surgery
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Summary:	Background Airway management during the administration of anesthesia to patients undergoing bariatric surgery is challenging. The goal is to avoid multiple intubation attempts because the risk of complications increases with the number of attempts. The objective of this study was to determine the failed first intubation attempt rate, as well as variables associated with this failure, in patients undergoing bariatric surgery. Methods We enrolled patients scheduled for bariatric surgery in this prospective, observational, single-center study. We determined predictive criteria for difficult intubation at the preoperative anesthesia consultation. All patients were evaluated for obstructive sleep apnea by polygraphy. The primary study endpoint was a failed first intubation attempt. Results We enrolled 519 patients between December 2012 and January 2015. The cohort consisted of 425 women (82%), with a median (interquartile range [IQR]) age of 39 (30–50) years and a body mass index of 42 (39–46) kg/m 2 . The first intubation attempt failed in 60 patients, with an incidence rate of 11.5% (95% confidence interval [CI], 8.8–14.2%). We included nine variables in the final multivariate model. Two variables were associated with failed first intubation attempt: male sex (odds ratio [OR] [95% CI], 6.9% [2.5–18.7%]) and Mallampati score 3–4 (OR [95% CI], 2.2% [1.0–4.7%]). Conclusions In this morbidly obese population, the first intubation attempt failed in 11.5% of patients, and the risk factors for failure were male sex and a high Mallampati score.
Bibliography:	ObjectType-Article-2 SourceType-Scholarly Journals-1 ObjectType-Undefined-1 ObjectType-Feature-3 content type line 23
ISSN:	0960-8923 1708-0428
DOI:	10.1007/s11695-021-05586-5