Mouth and throat measurements and breathing tube placement with a video laryngoscope
This study looks at how the size and shape of your mouth and throat affect how doctors place a breathing tube (video laryngoscopy). It aims to find simple bedside measurements that predict how easy the tube will be to insert, which could improve planning before surgery.
Summary written for real people, not researchers, by Clin2.
Who can take part
- You are between 18 and 75 years old.
- You are healthy or have a mild to moderate illness (classified as ASA I to III).
- You are scheduled to have surgery where a breathing tube (intubation) will be placed through your mouth.
- You have no known difficulty with breathing tubes from past procedures.
- You have no facial or neck injuries, burns, or surgeries that change the shape of your mouth or throat.
- You can open your mouth at least 2 cm and do not have a fused jaw joint (temporomandibular joint).
- You have some natural teeth (not fully edentulous).
- You are willing to give written permission (informed consent).
Quick eligibility check
Answer a few plain-language questions, based on this study's own requirements, to get a preliminary sense of fit.
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