This study was designed to assess the accuracy of ultrasonographic parameters in combination to clinical parameters in the prediction of difficult airway in pediatric population. All patients underwent a standard airway examination and sonographic airway assessment preoperatively and the predictive values for difficult airway of these methods were recorded.
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Cormack-Lehane Classification
Timeframe: Three minutes after induction of anesthesia.
Epiglottis skin distance in centimeters.
Timeframe: Five minutes before induction of anesthesia.
Hyoid bone-skin distance in centimeters.
Timeframe: Five minutes before induction of anesthesia.
Anterior commissure-skin distance in centimeters.
Timeframe: Five minutes before induction of anesthesia
Thickness of tongue root in centimeters
Timeframe: Five minutes before induction of anesthesia