Thyromental Height and Ultrasound Predict Difficult Airway, Apr 23
Summary
This prospective observational study (NCT07547943) registered April 23, 2026 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. The study will analyze the relationship between these preoperative measurements and difficult airway outcomes to determine predictive accuracy and clinical usefulness.
“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.”
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What changed
This ClinicalTrials.gov registration describes a prospective observational study (NCT07547943) evaluating whether thyromental height (TMH) measurement and ultrasonographic airway assessments can predict difficult airway in adult patients scheduled for elective surgery under general anesthesia. The study will collect preoperative clinical evaluation data alongside TMH and ultrasound measurements, then record perioperative airway management outcomes including intubation difficulty, number of attempts, and Cormack-Lehane classification to determine predictive accuracy.
For clinical investigators and healthcare providers, this registration indicates an ongoing contribution to evidence regarding preoperative airway assessment methods. The findings, upon completion, may inform clinical practice for predicting difficult intubation—a critical patient safety consideration in anesthesia care.
Archived snapshot
Apr 24, 2026GovPing captured this document from the original source. If the source has since changed or been removed, this is the text as it existed at that time.
TMH And Ultrasound For Difficult Airway Prediction
Observational NCT07547943 Kind: OBSERVATIONAL Apr 23, 2026
Abstract
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.
Conditions: Difficult Airway, Airway Management
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