Forearm-Supported Head Extension to Decrease Dental Contact

Not Applicable

• Conditions: Endotracheal Intubation
• Interventions: Procedure: Laryngoscopy with forearm-support; Procedure: Laryngoscopy without forearm-support

• Registration Number: NCT05495880
• Lead Sponsor: Seoul National University Hospital

Brief Summary

The purpose of this study is to determine whether the forearm-supported head extension decreases dental contact between laryngoscope blade and maxillary incisors during direct laryngoscopy

Detailed Description

Not available

Study Timeline

• Status Verified: 2022-08
• Study First Submitted: 2022-08-08
• Study First Submitted QC: 2022-08-08
• Study First Posted: 2022-08-10
• Last Update Submitted: 2023-05-10
• Last Update Posted: 2023-05-12
• Study Start: 2023-05-18
• Primary Completion: 2023-12-31
• Study Completion: 2023-12-31

Recruitment & Eligibility

• Status: UNKNOWN
• Sex: All
• Target Recruitment: 84

Inclusion Criteria

• Patients undergoing surgery that require endotracheal intubation for general anesthesia

Exclusion Criteria

• Trauma or disease or cervical spine
• Toothless patient
• Dentoalveolar injury
• Anatomical anomaly of face or airway
• History of difficult intubation
• Patient refusal

Study & Design

• Study Type: INTERVENTIONAL
• Study Design: CROSSOVER

Arm && Interventions

Group	Intervention	Description
Forearm-supported	Laryngoscopy with forearm-support	forearm-supported head extension during direct laryngoscopy
Control	Laryngoscopy without forearm-support	without forearm-support for head extension during direct laryngoscopy

Primary Outcome Measures

Name	Time	Method
Dental contact	during laryngoscopy	Dental contact between laryngoscope blade and maxillary incisors (Y/N)

Secondary Outcome Measures

Name	Time	Method
Angle of head extension	during laryngoscopy	Angle of head extension during direct laryngoscopy
Blade-to-tooth distance	during laryngoscopy	Teeth distance between laryngoscope blade and maxillary incisors (mm)