A comparison of thyromental height (TMHT) in supine and upright positions in predicting difficult laryngoscopy: A prospective study.

A comparison of thyromental height (TMHT) in supine and upright positions in predicting difficult laryngoscopy: A prospective study. - A comparison of thyromental height (TMHT) in supine and upright positions in predicting difficult laryngoscopy

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000023219

Enrollment

670

Registered

2016-07-31

Start date

2016-08-01

Completion date

Unknown

Last updated

2026-06-29

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

Conditions

Patients who need endotracheal intubation under general anesthesia for elective surgery

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: general anesthesia endotracheal intubation elective surgery

Exclusion criteria

Exclusion criteria: 1.Awake intubation 2.Emergency surgery 3.BMI > 35 4.Impossible to evaluate modified Mallampati test 5.Congenital diseases predicted to be difficult laryngoscopy 6.Impossible to be standing or sitting positions 7.Who needs to rapid sequence induction

Design outcomes

Primary

Measure	Time frame
The primary endpoint is area under the curve (AUC) of ROC curves, which consist of TMHT in upright positions (or other predictive tests for difficult laryngoscopy) and Cormack-Lehane classification.	—

Countries

Japan

Contacts

Public ContactMamoru Murakami

Tohokukosai Hospital Department of Anesthesiology

mmurakami-tohoku@umin.ac.jp+08-22-227-2211

Outcome results