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Risk assessment of difficult airway in patients undergoing reoperation after atlantoaxial surgery

Risk assessment of difficult airway in patients undergoing reoperation after atlantoaxial surgery

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2600126472
Enrollment
Unknown
Registered
2026-06-09
Start date
2026-06-15
Completion date
Unknown
Last updated
2026-06-15

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

Conditions

Postoperative atlantoaxial

Interventions

Difficult airway group:None
Non-difficult airway group:None

Sponsors

Peking University Third Hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: 1.Patients after atlantoaxial surgery; 2.Undergoing tracheal intubation general anesthesia surgery; 3.Age >=18 years.

Exclusion criteria

Exclusion criteria: 1.Incomplete clinical data; 2.Age < 18 years.

Design outcomes

Primary

MeasureTime frame
Difficult intubation;General condition;The condition of first intubation during initial surgery;First surgery details;Neutral and hyperextension O-C2 angles;Neutral and hyperextension C2-C6 angles;Neutral and hyperextension O-EA angle;Neutral and hyperextension Oc-Ax angles;Neutral and hyperextension O-D angles;Neutral and hyperextension C2T angles;Narrowest Oropharyngeal Airway Space(nPAS);—

Countries

China

Contacts

Public ContactYang Tian

Peking University Third Hospital

realtyoung@163.com+86 10 8226 7262

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Jun 21, 2026