Videolaryngoscopy has improved glottic visualization and facilitated tracheal intubation. However, difficulties-including failed intubation-still occur. At present, no prospectively derived classification system exists to assess the difficulty of videolaryngoscopic (VL) intubation across both normal and anticipated difficult airways. Additionally, current glottic view grading systems, designed for direct laryngoscopy, may not adequately capture the specific challenges of VL intubation.
Objectives:
This study aims to:
1. Develop a predictive model for difficult VL intubation in surgical patients with both normal and anticipated difficult airways.
2. Create a glottic view scoring system specifically tailored to videolaryngoscopy.
3. Compare the predictive accuracy of the new scoring system with existing laryngeal view grades in forecasting difficult VL intubation.
Eligibility
Sex
ALL
Min age
18 Years
Max age
100 Years
Healthy volunteers
No
Inclusion Criteria:
* Adults
* Both with normal or predicted difficult airways
* Undergoing orotracheal intubation with a videolarygoscope
Exclusion Criteria:
* Rapid sequence intubation
* Double lumen tube intubation
Primary outcome measure(s)
Failed first intubation attempt — 2 minutes after anesthesia induction Failed to intubate at firtst attempt
Difficult intubation — 2 minutes after anesthesia induction Failed to intubate at 1-2 attempts and/or intubation duration longer than 120 second
Failed intubation — 2 minutes after anesthesia induction Not able to intubate the patient
Intubation duration — 2 minutes after anesthesia induction Time elapsed from entring the blade between the teeth to detecting an entidal carbondioxide trace
Glottic view description — 2 minutes after anesthesia induction Vocal cords are fully visible Vocal cords are partially separately Vocal cords are not visible Cords are adducted Epiglottis is visible Epiglottis is large Epiglottis is small Epiglottis is edematous Epiglottis mass is present Arytenoids are visible Arytenoid luxation or subluxation Arytenoid edema Valecula problem (edema, Coffee grounds, etc., unable to insert a blade) Aryepiglottic plica pathology (edema, Coffee grounds scar) Laryngeal structures should be formed Glottic stenosis Laryngospasm
Trial sites (2)
Facility
City
Region
Status
Etlik City Hospital
Ankara
Turkey (Türkiye)
Akdeniz University Medical Faculty
Antalya
Turkey (Türkiye)
More Diskapi Teaching and Research Hospital trials in Turkey
This page summarises publicly available registry data for informational purposes — not medical advice. Eligibility is determined by each study team; patients should discuss participation with their clinician.
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