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Thyromental Height Test (TMHT) as a Predictor of Difficult Airway in Obese Patients | Clinical Trials | Clareo Health

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Thyromental Height Test (TMHT) as a Predictor of Difficult Airway in Obese Patients

Validity of Thyromental Height Test (TMHT) as an Objective Predictor of Difficult Airway in Obese Patients: a Prospective Observational Cohort Study

NCT04212156•Cairo University

View on ClinicalTrials.gov

Summary

Difficult airway management is a major concern for anesthetists and contributes to perioperative morbidity and mortality. The incidence of difficult intubation in the obese population with a BMI of greater than 30 has been reported to be 15.8%. Thyromental height test (TMHT) is a new bedside test for difficult airway, it is a measure of the height between the anterior borders of the mentum and thyroid cartilage. TMHT can act as a surrogate for amount of mandibular protrusion; dimensions of submandibular space; and anterior position of the larynx. It appears promising as a single anatomical measure to predict the risk of difficult laryngoscopy.

Eligibility

Age

18 - 60 years

Sex

ALL

Healthy Volunteers

Inclusion Criteria

•Patients aged between 18-60 years old, ASA physical status II\& III with BMI \> 30 Kg/m2 who will undergo elective surgical procedures under general anesthesia using endotracheal intubation with conventional laryngoscopy

Exclusion Criteria

•Patients with neuromuscular disorders, craniofacial abnormalities, abnormal dentition, uncooperative, who need awake intubation and patients who undergoing emergency operations will be excluded

Locations (1)

Abeer Ahmed

Maadi, Cairo Governorate, Egypt

Key Dates

Start Date

January 20, 2020

Primary Completion Date

January 20, 2020

Completion Date

January 20, 2021

Last Updated

May 17, 2021

Enrollment

105

ACTUAL participants

Conditions

Difficult Airway Intubation

Difficult Airway Incidence in Cardiovascular Surgery and a Prediction Model Development

NCT06986187

Difficult Airway IntubationDifficult Airway+3 more

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RECRUITINGNA

SEALion: Study on Supplemental Oxygenation Via Nasal Cannula for Young Children During Intubation

NCT06683599

Difficult AirwayDifficult Airway Intubation+1 more

View study

Data Source & Attribution

This clinical trial information is sourced from ClinicalTrials.gov, a service of the U.S. National Institutes of Health.

ClinicalTrials.gov last update: May 17, 2021Data synced to Clareo: March 29, 2026

Modifications: This data has been reformatted for display purposes. Eligibility criteria have been parsed into inclusion/exclusion sections. Location data has been geocoded to enable distance-based search. For the authoritative and most current information, please visit ClinicalTrials.gov.

Neither the United States Government nor Clareo Health make any warranties regarding the data. Check ClinicalTrials.gov frequently for updates.

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Thyromental Height Test (TMHT) as a Predictor of Difficult Airway in Obese Patients

Inclusion Criteria

Exclusion Criteria

Difficult Airway Incidence in Cardiovascular Surgery and a Prediction Model Development

SEALion: Study on Supplemental Oxygenation Via Nasal Cannula for Young Children During Intubation

Research on a Machine Learning-Based Predictive Model for Difficult Intubation Using Specific Vocal Characteristics

Development of an Artificial Intelligence-Based Model for Predicting Difficult Intubation Using Video Laryngoscopic Images and Cormack-Lehane Classification

Comparison of Ultrasonographic and Anthropometric Measurements in Difficult Airway Evaluation