Comparison of Cervical Spine Motion During Videolaryngoscopic Intubation Using Macintosh-Type and Hyperangulated Blade in patients with simulated cervical spine immobilization

Comparison of Cervical Spine Motion During Videolaryngoscopic Intubation Using Macintosh-Type and Hyperangulated Blade in patients with simulated cervical spine immobilization: A Randomized Controlled Trial

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

CRIS

Registry ID

KCT0011244

Enrollment

104

Registered

2025-12-03

Start date

2025-03-04

Completion date

Unknown

Last updated

2025-12-08

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

None listed

Interventions

Medical Device : Before enrolling study participants, a physician not involved in patient care prepares a computer-generated random block allocation table in advance. The table consists of blocks of s

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Adult patients aged 18 years or older undergoing neurointervention under general anesthesia

Exclusion criteria

Exclusion criteria: Patients who do not consent to the study Patients at high risk of aspiration or bleeding Patients with lesions in the upper airway or cervical spine Patients with a history of treatment involving the upper airway or cervical spine Patients at high risk of dental injury, such as those with loose teeth or implants

Design outcomes

Primary

Measure	Time frame
cervical spine motion at the occiput-C1 segment	—

Secondary

Measure	Time frame
cervical spine motion at the C1-C2, C2-C5 segment;cervical spine angle at the occiput-C1, C1-C2, C2-C5 segment;Thyromental height, Modified Mallampati classification, Interincisor gap, Thyromental distance, Sternomental distance, Neck circumference, mandibular protrusion;Endotracheal tube and oral cavity bleeding/Tongue, teeth, lip injury;Hoarseness and sore throat;Sore throat numeric rating scale;Two-handed ventilation or oropharyngeal airway usage;Epiglottis exposure method, external laryngeal manipulation;Percentage of glottis opening score	—

Measure

Time frame

cervical spine motion at the C1-C2, C2-C5 segment;cervical spine angle at the occiput-C1, C1-C2, C2-C5 segment;Thyromental height, Modified Mallampati classification, Interincisor gap, Thyromental distance, Sternomental distance, Neck circumference, mandibular protrusion;Endotracheal tube and oral cavity bleeding/Tongue, teeth, lip injury;Hoarseness and sore throat;Sore throat numeric rating scale;Two-handed ventilation or oropharyngeal airway usage;Epiglottis exposure method, external laryngeal manipulation;Percentage of glottis opening score

—

Countries

Korea, Republic of

Contacts

Public ContactWoo-young Jo

Seoul National University Hospital

jowoo345@naver.com+82-2-2072-0586

Outcome results