Feasibility study for ultrasound measurement of tongue volume related indicators for predicting difficult airway

Clinical study for ultrasound measurement of tongue volume related indicators for predicting difficult airway

Status

Recruiting

Phases

Early Phase 1

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR1900021932

Enrollment

Unknown

Registered

2019-03-16

Start date

2019-03-18

Completion date

Unknown

Last updated

2019-03-18

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

Conditions

Difficult Airway

Interventions

Difficult laryngoscopy group:Cormach-Lehane classification

Eeasy laryngoscopy group:Cormach-Lehane classification

Difficult intubation group:Endotracheal intubation

Easy intubation group:Endotracheal intubation

Eligibility

Sex/Gender

All

Age

18 Years to 90 Years

Inclusion criteria

Inclusion criteria: ASA I-III, either male or female, aged 18 years or older, patients who need general anesthesia and tracheal intubation.

Exclusion criteria

Exclusion criteria: The patient had severe deformity of the maxillofacial region, mandibular fracture, cervical spine fracture, epiglottic cyst, or very severe obesity (BMI>40kg/m2).

Design outcomes

Primary

Measure	Time frame
longitudinal cross-sectional area of tongue;width of tongue;Tongue volume;	—

Countries

China

Contacts

Public ContactMa Wuhua

The First Affiliated Hospital of Guangzhou University of Chinese Medicine

gzmwh@aliyun.com+86 13318860680

Outcome results

None listed

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