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Glottic Visualization & Ease of Intubation With Different Laryngoscope Blades

NCT01352299 · Status: COMPLETED · Phase: NA · Type: INTERVENTIONAL · Enrollment: 120

Last updated 2011-05-11

No results posted yet for this study

Summary

Orotracheal intubation the commonest method used to secure and maintain airway during anaesthesia. A variety of methods are available for orotracheal intubation such as digital or tactile method, use of lighted orotracheal intubating stylet, use of intubating LMA (which is becoming increasing popular, particularly in cased of anticipated difficult intubation), fibreoptic endoscopic orotracheal intubation (also used when a difficulty is predicted), and conventional and most common method, direct laryngoscopy. Orotracheal intubation is most commonly achieved after visualization of laryngeal inlet with direct laryngoscopy following induction of general anaesthesia and muscle relaxation achieved by administration of a muscle relaxant.

Due to the hazards seen with failed intubation, anaesthetists are also on the lookout for techniques which will improve visualization of the laryngeal inlet, i.e. glottis. View obtained during laryngoscopy can be classified in a variety of ways such as Cormack Lehane grading, the percentage of glottic opening (POGO Score)Literature suggests that straight blade gives better glottic visualization while tracheal intubation is easier with the curved blade. We therefore wanted to compare the Macintosh and Miller laryngoscope blades in terms of visualization of Laryngeal inlet and ease of intubation in patients with normal predicted intubation. We also compared the McCoy blade, a modified curved blade, and the Trueview Laryngoscope, which incorporates a prism in a straight blade, for glottic view and ease of intubation.

Conditions

  • Tracheal Intubation Morbidity

Interventions

DEVICE

Macintosh Laryngoscope blade

Laryngoscopy performed with Macintosh Laryngoscope

DEVICE

MacCoy

Laryngoscopy performed with MacCoy Laryngoscope

DEVICE

Miller

Laryngoscopy performed with Miller Laryngoscope

DEVICE

TrueView

Laryngoscopy performed with TrueView laryngoscope

Sponsors & Collaborators

  • Tata Memorial Hospital

    lead OTHER_GOV

Principal Investigators

  • Atul P Kulkarni, MD Anaes · Professor Tata Memorial Hospital

Study Design

Allocation
RANDOMIZED
Masking
NONE
Model
PARALLEL

Eligibility

Min Age
18 Years
Max Age
70 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2008-08-31
Primary Completion
2008-10-31
Completion
2008-10-31

Countries

  • India

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT01352299 on ClinicalTrials.gov