TMH And Ultrasound For Difficult Airway Prediction

Starting soon

Conditions studied: Difficult Airway, Airway Management

In brief

This prospective observational study aims to evaluate the predictive value of thyromental height (TMH) and ultrasonographic airway measurements in predicting difficult airway in adult patients undergoing elective surgery under general anesthesia. Preoperative airway assessment will include standard clinical evaluation, TMH measurement, and ultrasonographic measurements of anterior neck soft tissue. Perioperative airway management data, including intubation difficulty, number of attempts, and Cormack-Lehane classification, will be recorded. The relationship between preoperative measurements and difficult airway will be analyzed to determine their predictive accuracy and clinical usefulness.

Key facts

Study ID

NCT07547943

Run by

Bursa City Hospital

People needed

240

Starts

2026-05-15

Expected to finish

2027-05-15

Last updated by the study team

2026-04-23

Who can join

Age: 18 and older. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Adult patients aged 18 years and older Patients scheduled for elective surgery under general anesthesia Patients requiring endotracheal intubation Patients who provide written informed consent

You may not qualify if…

• Patients with known upper airway pathology (e.g., tumor, trauma, infection) Patients with previous head and neck surgery or anatomical deformity affecting airway evaluation Patients with limited mouth opening (<3 cm) or severe cervical spine restriction Patients with contraindications to ultrasonographic examination Patients requiring rapid sequence induction or emergency surgery Patients who refuse to participate

Where it is running

• Bursa City Hospital — Bursa, Nilüfer, Turkey (Türkiye)

Full record on ClinicalTrials.gov

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