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Relationship of chest anteroposterior diameter and neck length with pillow height in predicting difficult laryngoscopy

Comparison of the relationship of chest AP diameter and neck length with pillow height in predicting difficult laryngoscopy

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
CRIS
Registry ID
KCT0000395
Enrollment
280
Registered
2012-04-02
Start date
2011-09-29
Completion date
Unknown
Last updated
2019-03-11

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

Conditions

None listed

Interventions

None listed

Sponsors

Samsung Medical Center
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: surgical patients of ASA physical status I or II, aged 18-70 years old, and who were scheduled to undergo elective surgery under general anesthesia

Exclusion criteria

Exclusion criteria: Patients with loose upper incisors, airway pathology, gross anatomical abnormalities, body mass index (BMI) > 35 kg/m2, or any history of difficult intubation

Design outcomes

Primary

MeasureTime frame
modified Cormack and Lehane grade (C-L grade)—

Secondary

MeasureTime frame
neck length;Chest anteroposterior diameter—

Countries

Korea, Republic of

Contacts

Public ContactDuk-Kyung Kim

Samsung Medical Center

dikei@hanmail.net+82-2-3410-6589

Outcome results

None listed

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