Clinical study on predicting difficult airway in elderly patients by ultrasonic measurement of upper airway index

Status

Recruiting

Phases

Early Phase 1

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR2300076196

Enrollment

Unknown

Registered

2023-09-27

Start date

2023-04-12

Completion date

Unknown

Last updated

2023-10-03

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

Conditions

Difficult Airways

Interventions

Case series:N/A

Eligibility

Sex/Gender

All

Age

60 Years to 89 Years

Inclusion criteria

Inclusion criteria: Patients who were 60 to 89 years old who required general anesthesia with tracheal intubation for elective surgery.

Exclusion criteria

Exclusion criteria: Patients with maxillofacial or neck deformity, trauma, or tumor; patients with identified difficult airway or difficult airway history; patients with cancellation of tracheal intubation for a non-difficult airway reason; and missing patient characteristic data.

Design outcomes

Primary

Measure	Time frame
Mandibular Condylar Mobility;	—

Secondary

Measure	Time frame
Tongue Volume;Tongue thickness;The hyomental distance;The hyomental distance ratio;	—

Countries

China

Contacts

Public ContactZheng Zhenwei

The Second Affiliated Hospital of Shantou University Medical College

wind_8228@163.com+86 138 2280 3033

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Jul 6, 2026