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Evaluation of ratio of height to thyromental distance as a bedside tool to predict difficulty in visualization of larynx.

Evaluation of ratio of height to thyromental distance as a predictor of difficult visualization of larynx: A prospective observational study.

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
CTRI
Registry ID
CTRI/2020/06/026058
Enrollment
720
Registered
2020-06-23
Start date
Unknown
Completion date
Unknown
Last updated
2021-11-24

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

Conditions

Health Condition 1: R098- Other specified symptoms and signsinvolving the circulatory and respiratory systems

Interventions

None listed

Sponsors

Gauhati Medical College
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: 1) Age group 18-65 years. 2) American Society of Anaesthesiologists Physical status 1or 2. 3) Availability of informed consent. 4) Any gender.

Exclusion criteria

Exclusion criteria: 1) Patients with known airway difficulty due to trauma and congenital or acquired abnormalities. 2) Patients with goiter. 3) Obstetrics Patients. 4) Psychiatric patients. 5) Patients with a body mass index >35 kg/m2. 6) Patients with neuromuscular disorders, Abnormal dentition

Design outcomes

Primary

MeasureTime frame
1. To evaluate the performance of ratio of height to thyromental distance as a predictor of difficult visualization of larynx. 2. To compare the predictive performance of ratio of height to thyromental distance with Modified Mallampatti Test. Timepoint: At the time of laryngoscopy.—

Secondary

MeasureTime frame
1. To compare the predictive performance of ratio of height to thyromental distance with Sternomental distance, Interincisor gap, and upper lip bite test for DVL. 2. To evaluate the predictive performance of ratio of height to thyromental distance as a predictor of Intubation difficulty scale more than 5. Timepoint: At the time of laryngoscopy.—

Countries

India

Contacts

Public ContactDr Priyam Saikia

Gauhati Medical College

saikia.priyam80@gmail.com9706067392

Outcome results

None listed

Source: CTRI (via WHO ICTRP) · Data processed: Feb 4, 2026