Predictive Pressure Loss due to Compression of Tracheal Tube in Nasal Cavity in Nasotracheal Intubation: Simulation Study

Predictive Pressure Loss due to Compression of Tracheal Tube in Nasal Cavity in Nasotracheal Intubation: Simulation Study - Pressure Loss due to Compression of Tracheal Tube in Nasal Cavity

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000016942

Enrollment

Registered

2015-03-30

Start date

2015-02-20

Completion date

Unknown

Last updated

2026-06-29

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

Conditions

oral and maxillofacial disease

Interventions

Inside dial caliper gauge is used for measurement of inner diameter of the tube. Following ventilation with 100% oxygen at completion of surgery, a minor axis of the tube in the nasal cavity was measu

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: ASA physical status I or II patients, older than 20 yr, who undergo elective oral and maxillofacial surgery in which nasotracheal intubation is required for surgical access.

Exclusion criteria

Exclusion criteria: severe obesity, expected difficult intubation, history of taking anticoagulant drugs, frequent nasal obstruction, bleeding diathesis, and evident deviated nasal septum or deformity of nasal concha on computed tomography (CT) images

Design outcomes

Primary

Measure	Time frame
inner diameter of tracheal tube in the nasal cavity	—

Countries

Japan

Contacts

Public ContactYoshihiro Takasugi

Kindai University Faculty of Medicine Department of Anesthesiology

dzc01654@nifty.com072-366-0221

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026