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Fibrescope vs Videolaryngoscope for Nasotracheal Intubation

NCT07353255 · Status: RECRUITING · Phase: NA · Type: INTERVENTIONAL · Enrollment: 200

Last updated 2026-06-15

No results posted yet for this study

Summary

Patients having surgery under general anaesthesia require insertion of a breathing tube to keep the airway open. The technique of inserting a breathing tube through the nose into the trachea (airway) is known as nasotracheal intubation. This is the ideal airway for surgical procedures performed inside the mouth, such as complex teeth extractions and operations on the jaw.

Traditionally, the breathing tube is initially inserted blindly into the nasal cavity. Then, a video laryngoscope (a camera device) or a direct laryngoscope is used to visualise and guide the passage of tube into the trachea. This approach can be associated with difficulty passing the tube and has a high incidence of nasal trauma and nosebleed.

Alternatively, a flexible fibrescope ( flexible camera device) with pre-loaded tracheal tube is passed through the nostril first under vision, gently advanced through the nasal passage and then to the trachea. Once it is correctly placed in the trachea, the breathing tube is railroaded over it. This procedure allows the clinician to visualise the nasal passage and to choose most patent nostril and hence is likely to reduce risk of nosebleed as compared blind passage of tube through the nose. A videolaryngoscope has a camera on the blade that projects the image onto a monitor screen. As this is a rigid device, it can only be inserted through the oral cavity and allows the advancement of tube into the trachea. Both these techniques are currently used in the clinical practice. However, there are no studies to inform anaesthetists whether there are any differences in the incidence of nosebleed.

The investigators therefore wish to do a randomised comparison between flexible fibrescope and videolaryngocope to assess if use of the former is associated with any reduced risk or severity of nosebleed.

Conditions

  • No Disease

Interventions

DEVICE

Nasotracheal Intubation with Fibrescope

Intubation of trachea via nasal route with Fibrescope (11302BDX Flex. Intubation Video Endoscope 4 x 65 Karl Storz)

PROCEDURE

Nasotracheal Intubation with Video laryngoscope

Intubation of trachea via nasal route using a videolaryngoscope (301-000-000 McGRATH™ with Mac Blade)

Sponsors & Collaborators

  • University Hospitals Coventry and Warwickshire NHS Trust

    lead OTHER

Principal Investigators

  • Cyprian Mendonca · University Hopsitals Coventry & Warwickshire NHS Trust

Study Design

Allocation
RANDOMIZED
Purpose
SUPPORTIVE_CARE
Masking
DOUBLE
Model
PARALLEL

Eligibility

Min Age
18 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2026-02-01
Primary Completion
2027-01-31
Completion
2027-01-31

Countries

  • United Kingdom

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 NCT07353255 on ClinicalTrials.gov