Thyromental Height Test as a Predictor of Difficult Airway:

Difficult Intubation Clinical Trial

Official title:

The Validity of the Thyromental Height Test as a Predictor of the Difficult Airway: A Prospective Comparative Study With Interincisor Distance, Thyromental Distance, Sternomental Distance & Modified Mallampati Test

Clinical Trial Details — Status: Not yet recruiting

Administrative data

• NCT number: NCT04264338
• Other study ID #: MD-246-2019
• Status: Not yet recruiting
• Start date: February 20, 2020
• Est. completion date: October 20, 2020

Study information

• Verified date: February 2020
• Source: Cairo University
• Contact: Abeer Ahmed, MD
• Phone: 01005244590
• Email: abeer_ahmed[@]kasralainy.edu.eg
• Is FDA regulated: No
• Study type: Observational

Clinical Trial Summary

Anesthesia is increasingly safe. Major complications of airway management are no more common but still the most life-threatening condition amongst anesthesia practice and even medicine. Thyromental height test (TMHT) is an objective measure of the height between the anterior borders of the mentum and thyroid cartilage, measured while the patient is lying supine with the mouth closed. This study was designed to assess the validity of the TMHT as a single objective predictor for difficult laryngoscopy and to be compared to other objective measures.

Recruitment information / eligibility

• Status: Not yet recruiting
• Enrollment: 612
• Est. completion date: October 20, 2020
• Est. primary completion date: August 20, 2020
• Accepts healthy volunteers: No
• Gender: All
• Age group: 18 Years to 60 Years

Eligibility

Inclusion Criteria:

• ASA physical status I & II

• Scheduled for elective surgical procedures under general anesthesia using endotracheal with conventional laryngoscopy

Exclusion Criteria:

• Patients with a body mass index >35 kg/m2.

• Patients with neuromuscular disorders, craniofacial abnormalities, and abnormal dentition.

• Patients with airway diseases e.g cancer larynx or tongue, uncooperative patients, those who will need awake intubation and patients who will undergo emergency operations.

Related Conditions & MeSH terms

• Difficult Intubation

Intervention

Diagnostic Test:
• Thyromental height test
Assessment of difficult airway

Locations

Country	Name	City	State
n/a

Sponsors (1)

Lead Sponsor	Collaborator
Cairo University

Outcome

Type	Measure	Description	Time frame	Safety issue
Primary	validity of the TMHT in prediction of difficult airway in patients undergoing general anesthesia for elective surgeries using area under ROC curve for the TMHT.		baseline (before induction of general anesthesia)
Primary	Validity of TMHT in comparison with that of Modified Mallampati test (MMT) in prediction of difficult airway by comparing area under ROC curve for both tests.		baseline (before induction of general anesthesia)