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King Vision vs Macintosh Laryngoscopy for Intubation Time in Novice Users

NCT07174050 · Status: COMPLETED · Phase: NA · Type: INTERVENTIONAL · Enrollment: 70

Last updated 2025-09-15

No results posted yet for this study

Summary

This study evaluated two different devices used for placing a breathing tube (endotracheal intubation) in adult patients undergoing elective surgery. The aim was to compare the King Vision videolaryngoscope, which has a camera and a guiding channel for the tube, with the traditional Macintosh laryngoscope, which allows doctors to look directly at the vocal cords. The study focused on how long it takes to successfully insert the tube, the need for additional maneuvers during the procedure, and the overall success rate of first attempts. The procedures were performed by novice operators under supervision.

Conditions

  • Airway Management
  • Endotracheal Intubation
  • Tracheal Intubation, Elective Surgery

Interventions

DEVICE

King Vision Channeled Video Laryngoscope

King Vision Videolaryngoscope (KVVL) is one of the new indirect laryngoscopes with disposable (either with channeled or non-channeled) blades .Both designs include an anti-fog lens coating . The channelled KVVL has a rigid blade with an integrated channel for introducing the endotracheal tube. The height and width of the standard non-channeled and channeled blades are 13 mm and 26 mm vs 18 mm and 29 mm, respectively. The KVVL has a unique design and high-quality image . It has a camera that enables a clear view of the glottis. It is a solid, portable, battery-operated device with an organic LED display for video laryngoscopy . It allows better glottis visualization and Cormack Lehane score than DL. Compared with Airtraq, the KVVL has wide field of view (160° vs 80° respectively) and potentially shortens the time to tracheal intubation .

DEVICE

Macintosh Laryngoscopy

In clinical practice, direct laryngoscopy (DL) with either a curved (Macintosh) or straight (Miller) blade is a well-known and reliable technique in the hands of an experienced operator.

Sponsors & Collaborators

  • Izmir City Hospital

    collaborator OTHER_GOV

  • Hitit University

    lead OTHER

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Model
PARALLEL

Eligibility

Min Age
18 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2023-01-01
Primary Completion
2023-07-31
Completion
2024-01-01

Countries

  • Turkey (Türkiye)

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT07174050 on ClinicalTrials.gov