Comparison of various videolaryngoscope devices (Vividtrac™ and KingVision™) and direct laryngoscopy with Macintosh blade regarding laryngoscopy time, intubation time, intubation success rate, percentage of visible glottic opening (POGO score) in elective and acute clinical anaesthesiology practice.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
SUPPORTIVE_CARE
Masking
DOUBLE
Enrollment
150
During the induction of general anaesthesia, the first attempt to achieve a secured airway is carried out using a size 4 (or size 3 if necessary) Macintosh blade direct laryngoscope.
During the induction of general anaesthesia, the first attempt to achieve a secured airway is carried out using a Vividtrac videolaryngoscope connected to a tablet or smartphone.
During the induction of general anaesthesia, the first attempt to achieve a secured airway is carried out using a KingVision videolaryngoscope.
University of Pécs, Dept. of Anaesthesia and Intensive Care
Pécs, Baranya, Hungary
RECRUITINGIntubation time
Time necessary to secure airway during the induction of general anesthesia. Intubation time is measured from the point the airway device crosses the interdental line until the completion of intubation with insufflated cuffed endotracheal tube (secured airway).
Time frame: Measured once during the intubation attempt. Up to 120 seconds following the start of intubation attempt.
Laryngoscopy time
Time necessary to achieve best visualisation of the glottic opening.
Time frame: Registered once during the intubation attempt. Up to 120 seconds following the start of intubation attempt.
Percentage of glottic opening (POGO) score
The POGO score describes the best view of the glottic opening compared to the anatomical picture of the glottis. During direct laryngoscopy the investigator registers an approximate socre, while video laryngoscopy records are assessed by an independent investigator.
Time frame: Registered once during the intubation attempt. Up to 120 seconds following the start of intubation attempt.
Tube insertion time
Time necessary for the operator to insert the cuffed endotracheal tube inside the proximal part of the trachea through the glottic opening. Tube insertion time is measured after the investigator finished the search for the glottic opening, achieved best view and decided to insert the tube into the trachea until the cuff is inflated and the airway is secured.
Time frame: Registered once during the intubation attempt. Up to 120 seconds following the start of intubation attempt.
Primary intubation attempt success rate
All intubation attempts must be finished within 120 seconds or the investigator should give up the attempt and reoxygenize the patient before another attempt. If the investigator finished within the 120 seconds time frame we assess endotracheal tube position by capnography and auscultation. The attempt is regarded successful if the tube is in the right position and the airway is secured.
This platform is for informational purposes only and does not constitute medical advice. Always consult a qualified healthcare professional.
Time frame: Measured once after intubation. Up to 120 seconds following the start of intubation attempt.