Maintaining the Head Extension by an Assistant Decreases Dental Contact

Not Applicable

Completed

• Conditions: Dental Contact During Direct Laryngoscopy
• Interventions: Procedure: without assistant; Procedure: with assistant

• Registration Number: NCT01427348
• Lead Sponsor: Seoul National University Hospital

Brief Summary

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

Detailed Description

Not available

Basic Information
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Recruitment & Eligibility
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Study & Design
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Trial Locations

Study Timeline

• Study First Submitted: 2011-08-30
• Study First Submitted QC: 2011-08-30
• Study Start: 2011-09
• Study First Posted: 2011-09-01
• Primary Completion: 2012-01
• Status Verified: 2012-05
• Study Completion: 2012-05
• Last Update Submitted: 2012-05-28
• Last Update Posted: 2012-05-30

Recruitment & Eligibility

• Status: COMPLETED
• Sex: All
• Target Recruitment: 68

Inclusion Criteria

• patients undergoing surgery that requires general anesthesia

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Exclusion Criteria

• disease or injury of cervical spine
• dentoalveolar injury
• history of difficult intubation
• anatomical anomaly of face or airway

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Study & Design

• Study Type: INTERVENTIONAL
• Study Design: CROSSOVER

Arm && Interventions

Group	Intervention	Description
without assistant	without assistant	without the help of an assistant during direct laryngoscopy
with assistant	with assistant	head extension by an assistant during direct laryngoscopy

Primary Outcome Measures

Name	Time	Method
dental contact	up to 10 minutes	dental contact between laryngoscope blade and maxillary incisors

Secondary Outcome Measures

Name	Time	Method
teeth distance	up to 10 minutes	teeth distance between laryngoscope blade and maxillary incisors

Trial Locations

Locations (1)

Seoul National University Hospital; 🇰🇷 Seoul, Korea, Republic of