Key result
Neck circumference (AUC 0.765) and height-to-neck circumference ratio (AUC 0.714) were significant predictors of difficult intubation in obese patients undergoing general anesthesia.
Why the study?
Difficult airway incidence is high in obese individuals, prompting evaluation of anthropometric measurements and ratios to predict difficult intubation.
Do anthropometric measurements predict difficult intubation in obese patients undergoing general anesthesia?
Observational (n=100)
No
Do anthropometric measurements predict difficult intubation in obese patients undergoing general anesthesia?
Effect estimate: AUC 0.765 (95% CI 0.615-0.915)
p-value: p=0.020
Neck circumference, height/neck circumference ratio, and Mallampati/Cormack-Lehane classifications are useful parameters for predicting difficult intubation in obese patients.
May support neck circumference for intubation risk stratification in obese patients; hypothesis-generating and requires prospective validation.
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KIZILAY et al. (2023) conducted an observational in Obesity requiring general anesthesia and endotracheal intubation (n=100). Anthropometric measurements (neck circumference, height/neck circumference ratio) vs. Standard airway assessment measurements was evaluated on Difficult intubation (Intubation Difficulty Scale > 5) (AUC 0.765, 95% CI 0.615-0.915, p=0.020). Neck circumference (AUC 0.765) and height-to-neck circumference ratio (AUC 0.714) were significant predictors of difficult intubation in obese patients undergoing general anesthesia.
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