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Assessment of Thyromental Height and Mallampati Tests for Difficult Airway Prediction in Adults Under General Anaesthesia

A Comparative Study of Thyromental Height Test (TMHT) and Modified Mallampati Test (MMT) in Adult Patients Undergoing General Anaesthesia To Predict Difficult Laryngoscopy - NIL

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
CTRI
Registry ID
CTRI/2026/06/112296
Enrollment
150
Registered
2026-06-09
Start date
Unknown
Completion date
Unknown
Last updated
2026-06-22

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Health Condition 1: O- Medical and Surgical

Interventions

Intervention1: Nil: Nil

Sponsors

Department of Anesthesiology
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: Age 18-65 years ASA I and II Scheduled for elective surgery under general anaesthesia Provided written informed consent

Exclusion criteria

Exclusion criteria: Congenital or acquired airway malformations Neck burns or contractures Midline neck swelling Edentulous patients Age less than 18 years

Design outcomes

Secondary

MeasureTime frame
Correlation between TMHT values and laryngoscopy grade Correlation between MMT class and laryngoscopy grade Incidence of difficult laryngoscopy in the study populationTimepoint: Perioperative—

Primary

MeasureTime frame
The diagnostic accuracy of thyromental height test (TMHT) and modified mallampati test (MMT) in predicting difficult laryngoscopy using Cormack-Lehane Grade III or IV as the reference standard.Timepoint: Accuracy (Sensitivity, Specificity, PPV, NPV) of TMHT and MMT in predicting difficult laryngoscopy (Cormack-Lehane Grade III/IV)—

Countries

India

Contacts

Public ContactDr Haramritpal Kaur

Guru Gobind Singh Medical College and Hospital Faridkot

amritk_dr@ggsmch.org9878088013

Outcome results

None listed

Source: CTRI (via WHO ICTRP) · Data processed: Jun 29, 2026