About this trial
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.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
None
Disqualifiers
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
Trial population
Adult patients undergoing elective surgical procedures under general anesthesia at a tertiary care hospital will be prospectively enrolled. All participants will undergo standardized preoperative airway assessment, including thyromental height measurement and ultrasonographic airway evaluation, followed by perioperative airway management assessment.
Trial design
Cohort
Prospective
Treatments tested in this trial
Not listed
Trial groups
Trial outcomes
Primary outcomes
Prediction of Difficult Intubation
The primary outcome is the ability of thyromental height (TMH) and ultrasonographic airway measurements to predict difficult intubation. Difficult intubation will be defined as Cormack-Lehane grade ≥3, requirement of multiple intubation attempts, or use of advanced airway devices.
Sponsors and contacts
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Bursa City Hospital
Lead sponsor
Ulusoy, Emre, M.D.
Collaborator
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