Comparison of Three Laryngoscope Blades for Orotracheal Intubation in the Operating Room

Comparison of Performance of Three Laryngoscope Blades: Plastic Single Use, Metallic Single Use and Metallic Reusable Blades.

Status

Completed

Phases

Phase 4

Study type

Interventional

Source

ClinicalTrials.gov

Registry ID

NCT00876967

Acronym

Laryngotest

Enrollment

1040

Registered

2009-04-07

Start date

2008-01-31

Completion date

2010-02-28

Last updated

2010-03-31

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

Conditions

Intubation

Keywords

anesthesiology, randomized, laryngoscope, intubation, laryngeal exposition, laryngoscope blades, plastic single use blade, metallic single use blade, metallic reusable blade, success to intubation at first attempt, Cormack and lehanne modify grade

Brief summary

The purpose of this study is to determinate if there is a difference in performance provided by three laryngoscope blades: plastic single use, metallic single use and metallic reusable blades.

Detailed description

Primary outcome: success of intubation at the first attempt Secondary outcomes: quality of laryngeal exposition (Cormack and Lehanne modify grade), duration to success intubation, Intubation difficult Scale and result of intubation procedure

Interventions

DEVICEmetallic single use blade

metallic single use blade

DEVICEplastic single use blade

plastic single use blade

DEVICEmetallic reusable blade

metallic reusable blade

Study design

Allocation

RANDOMIZED

Intervention model

PARALLEL

Masking

NONE

Eligibility

Sex/Gender

ALL

Age

18 Years to No maximum

Healthy volunteers

Inclusion criteria

* patient age over 18 who need general anesthesia with orothracheal intubation

Exclusion criteria

* patient age under 18 or major assist * presence of upper airway malformation or abnormality * cervical or facial trauma * previous difficult intubation known * no use of curare * Body Mass Index over 30kg/m2 if crush induction use

Design outcomes

Primary

Measure	Time frame
success of intubation at the first attempt	immediately

Secondary

Measure	Time frame
quality of laryngeal exposition (Cormack and Lehanne modify grade)	immediately
duration to success intubation	immediately
Intubation difficult Scale	Immediately
result of intubation procedure	immediately

Countries

France

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026