Preoperative ultrasonographic evaluation of the airway vis-à-vis the bedside airway assessment to predict potentially difficult airway on direct laryngoscopy in adult patients—a prospective, observational study

نویسندگان

چکیده

Abstract Background Unanticipated difficult airway remains a challenge for the anesthesiologist with no established standard criteria to predict difficulty in intubation. Our aim was correlate pre-anesthetic ultrasonographic (USG) assessment parameters Cormack-Lehane (CL) grade at direct laryngoscopy view under general anaesthesia. This prospective, observational study on 150 adult patients between 18 and 70 years American Society of Anesthesiologist—Physical Status 1–2 requiring endotracheal anesthesia elective surgery. Results The incidence 22.7%. sonographic distance from anterior neck surface epiglottis (ANS-E) > 1.67 cm observed be statistically significant USG predictor laryngoscopic sensitivity 64.71% specificity 78.45% ( p = 0.000). hyoid bone (ANS-H) or commissure (ANS-AC) did not corelate laryngoscopy. ultrasound (US) had higher negative than positive predictive value. Conclusions We found ANS-E most our study. is useful tool identify “at-risk” airway.

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ژورنال

عنوان ژورنال: Ain-Shams Journal of Anesthesiology

سال: 2023

ISSN: ['1687-7934', '2090-925X']

DOI: https://doi.org/10.1186/s42077-022-00297-0