Which blade size works best for intubation? large study seeks answers

NCT ID NCT06232837

Completed Knowledge-focused Sponsor: University Hospital, Clermont-Ferrand Source: ClinicalTrials.gov ↗

First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This completed study looked at over 3,000 adults having surgery to see which size of Macintosh blade (a tool used to guide a breathing tube into the windpipe) works best. The goal was to find out if blade size affects how often the tube goes in on the first try and how often serious problems like low oxygen or low blood pressure occur. The results could help doctors choose the right blade size for safer intubation.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

What this could lead to: If successful, this study could help doctors choose the best blade size for safer, faster intubation in routine surgeries.
What could go wrong: This is an observational study, not a controlled trial, so it can show patterns but not prove cause and effect. Results may not apply to all patients or settings.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

ENDOTRACHEAL INTUBATION INTUBATION COMPLICATION INTUBATION; DIFFICULT OR FAILED

Contacts and locations

Locations

CHU Clermont-Ferrand

Clermont-Ferrand, 63000, France

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