Skip to content

Pre-visional space during direct laryngoscopy: Implication in the difficult laryngoscopy and its prediction

Pre-visional space during direct laryngoscopy: Implication in the difficult laryngoscopy and its prediction

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
CRIS
Registry ID
KCT0001009
Enrollment
24
Registered
2014-02-26
Start date
2014-01-08
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

Seoul National University Bundang Hospital
Lead Sponsor

Eligibility

Sex/Gender
Male

Inclusion criteria

Inclusion criteria: Male patients with positive predictive factors such as, Mallampati class 3 or 4, thyromental distance =65 mm, or a small or receding mandible and Patients without positive predictors and who match the age and body mass index of the difficult laryngoscope group

Exclusion criteria

Exclusion criteria: (1) Amedican society of anesthesiologist class =III, (2) history of cervical herniated intervertebral disc or cervical spine surgery, (3) dentured teeth, (4) history of psychological disease or psychoactive drug use, and (5) craniofacial anomaly

Design outcomes

Primary

MeasureTime frame
difference of TM length between easy and difficult laryngoscope ;difference of MI length between easy and difficult laryngoscope ;difference of IT length between easy and difficult laryngoscope ;difference of TIM area between easy and difficult laryngoscope ;difference of height between easy and difficult laryngoscope

Secondary

MeasureTime frame
height;weight;Mallampati classification;thyromental distance;the angle of neck extension ;Cormack-Lehane grade ;body-mass index

Countries

Korea, Republic of

Contacts

Public ContactSeongjoo Park

Seoul National University Bundang Hospital

struka@snubh.org+82-31-787-7512

Outcome results

None listed

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