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The effect of the size of the Macintosh curved blade on direct laryngoscopic view in edentulous patients

The effect of the size of the Macintosh curved blade on direct laryngoscopic view in edentulous patients

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
CRIS
Registry ID
KCT0002057
Enrollment
38
Registered
2016-09-13
Start date
2016-11-29
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

Procedure/Surgery : After the induction of anesthesia, laryngeal view and lifting angle are assessed alternately using the different sized Macintosh blade (No. 3 and 4 for men and No. 2 and 3 for wome

Sponsors

Seoul Metropolitan Government Seoul National University Boramae Medical Center
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Edentulous patient

Exclusion criteria

Exclusion criteria: - Patients with a known or predicted difficult airway - Patients with diseases or anatomical abnormalities in upper airway - Patients at risk of aspiration. - Body mass index =30 kg cm-2 - Cormack-Lehane grade 3 or 4 during direct laryngoscopy

Design outcomes

Primary

MeasureTime frame
Direct laryngoscopic view

Secondary

MeasureTime frame
Angle between the horizontal line and the laryngoscopic handle;The distance along the curve from the blade tip to the point where the blade contacts the lower lip

Countries

Korea, Republic of

Contacts

Public ContactJin-Young Hwang

Seoul Metropolitan Government Seoul National University Boramae Medical Center

mistyblue15@naver.com+82-2-870-2518

Outcome results

None listed

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