Comparison of First Attempt Success in Nasotracheal Intubation Using Macintosh Videolaryngoscope vs. Flexible Bronchoscope

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

ENROLLING_BY_INVITATION

Clinical Phase

NA

Total Enrollment

74 participants

Study Classification

INTERVENTIONAL

Study Start Date

2025-05-09

Study Completion Date

2026-05-07

Brief Summary

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Participants are randomly assigned to two groups: one group undergoes nasotracheal intubation using a videolaryngoscope, while the other group undergoes nasotracheal intubation using a flexible bronchoscope. The primary outcome is the first-attempt success rate, assessed at the time of tracheal tube placement. Additional outcomes include the degree of subglottic injury upon extubation, and the incidence and severity of sore throat and hoarseness at 1 hour and 24 hours postoperatively, as well as overall intubation success rates.

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Detailed Description

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Conditions

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Intubation Complication

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

DOUBLE

Participants Outcome Assessors

Study Groups

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Videolaryngoscope Group

Group Type EXPERIMENTAL

Macintosh videolaryngoscope

Intervention Type DEVICE

Used to perform nasotracheal intubation under general anesthesia. The Macintosh videolaryngoscope is introduced orally to visualize the glottis, and a preformed nasotracheal tube is inserted through the nostril.

Flexible Bronchoscope Group

Group Type ACTIVE_COMPARATOR

Flexible bronchoscope

Intervention Type DEVICE

Used to perform nasotracheal intubation under general anesthesia. The bronchoscope is inserted through a lubricated nasotracheal tube and advanced into the trachea.

Interventions

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Macintosh videolaryngoscope

Used to perform nasotracheal intubation under general anesthesia. The Macintosh videolaryngoscope is introduced orally to visualize the glottis, and a preformed nasotracheal tube is inserted through the nostril.

Intervention Type DEVICE

Flexible bronchoscope

Used to perform nasotracheal intubation under general anesthesia. The bronchoscope is inserted through a lubricated nasotracheal tube and advanced into the trachea.

Intervention Type DEVICE

Eligibility Criteria

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Inclusion Criteria

* Adults aged 19 years or older
* Undergoing ear, nose, and throat (ENT) surgery requiring nasotracheal intubation

Exclusion Criteria

* Refusal to participate in the study
* History of gastroesophageal reflux disease
* History of surgery or radiation therapy involving the upper airway
* Presence of severely loose teeth

Minimum Eligible Age

19 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No