Clinical study of ultrasonography in predicting difficult airway in maxillofacial surgery patients

Status

Recruiting

Phases

Early Phase 1

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR2100053763

Enrollment

Unknown

Registered

2021-11-29

Start date

2021-11-29

Completion date

Unknown

Last updated

2022-10-24

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

Conditions

Difficult airway

Interventions

Gold Standard:Clinical outcome

Index test:ultrasonography

Eligibility

Sex/Gender

All

Age

19 Years to 60 Years

Inclusion criteria

Inclusion criteria: 1. Sign the informed consent; 2. ASA I-III grade; 3. Aged 19 to 60 years; 4. Body mass index 18-25kg/m2.

Exclusion criteria

Exclusion criteria: 1. Previous heart, brain, lung, liver and kidney diseases; 2. Have a history of drug or food allergy in the past; 3. Morbidly obese patients with BMI > 40kg/m^2; 4. Radiotherapy and chemotherapy on the head and neck; 5. Patients with ankylosing spondylitis; 6. Patients with a history of cervical spine surgery; 7. Neck scars or tumors; 8. Patients with limited mouth opening.

Design outcomes

Primary

Measure	Time frame
Interincisor Distance;specificity, sensitivity;positive predictive value, negative predictive value;	—

Countries

China

Contacts

Public ContactLiang Lirong

Stomatological Hospital of Fourth Military Medical University

18991802552@163.com+86 18991802552

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026