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Forearm-Supported Head Extension to Decrease Dental Contact

Forearm-Supported Head Extension to Decrease Dental Contact Between Laryngoscope Blade and Maxillary Incisors During Direct Laryngoscopy

Status
UNKNOWN
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT05495880
Enrollment
84
Registered
2022-08-10
Start date
2023-05-18
Completion date
2023-12-31
Last updated
2023-05-12

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

Conditions

Endotracheal Intubation

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

Interventions

PROCEDURELaryngoscopy with forearm-support

forearm-supported head extension during direct laryngoscopy

PROCEDURELaryngoscopy without forearm-support

without forearm-support for head extension during direct laryngoscopy

Sponsors

Seoul National University Hospital
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
CROSSOVER
Primary purpose
PREVENTION
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

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

Design outcomes

Primary

MeasureTime frameDescription
Dental contactduring laryngoscopyDental contact between laryngoscope blade and maxillary incisors (Y/N)

Secondary

MeasureTime frameDescription
Blade-to-tooth distanceduring laryngoscopyTeeth distance between laryngoscope blade and maxillary incisors (mm)
Angle of head extensionduring laryngoscopyAngle of head extension during direct laryngoscopy

Contacts

Primary ContactJae-Hyon Bahk, MD PhD
bahkjh@snu.ac.kr82-2-2072-2818

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026