Correlation between ultrasound and direct laryngoscope with telescope for measuring stenosis site of trachea

Status

Active, not recruiting

Phases

Early Phase 1

Study type

Interventional

Source

TCTR

Registry ID

TCTR20240910001

Enrollment

124

Registered

2024-09-10

Start date

2024-09-20

Completion date

Unknown

Last updated

2026-08-03

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

Conditions

Patient with tracheal stenosis tracheal stenosis, ultrasound, endoscopy

Interventions

Patient with tracheal stenosis, who will undergo direct laryngoscope in OR, will undergo ultrasound 1 day before surgery.

Experimental Procedure/Surgery

combined ultrasound and endoscopy

Eligibility

Sex/Gender

All

Age

18 Years to No maximum

Inclusion criteria

Inclusion criteria: 1. Patient who older than 18 year old 2. Patient who will under go laryngoscopy in operating room at Srinagarind Hospital

Exclusion criteria

Exclusion criteria: 1. Patients at risk of upper airway obstruction 2. Patients who have received radiation therapy to the head and neck. 3. Patients who cannot extension/flexion Head and neck area 4. Patients with abnormal tumors in the neck 5. Patients who have had open tracheal surgery before. 6. Patients who have complete tracheal stenosis

Design outcomes

Primary

Measure	Time frame
correlation between diameter of tracheal stenosis measuring by DL with telescope and ultrasound ultrasound 1 day before surgery and intra-operative time DL with telescope and ultrasound	—

Secondary

Measure	Time frame
sensitivity and specificity of ultrasound measuring tracheal stenosis 1 day before surgery ultrasound measuring ,correlation between the start point and end point of tracheal stenosis measuring by DL with telescope and ultrasound ultrasound 1 day before surgery and intra-operative time DL with telescope and ultrasound,correlation between vocal cord and start point of tracheal stenosis measuring by DL with telescope and ultrasound ultrasound 1 day before surgery and intra-operative time DL with telescope and ultrasound,correlation between vocal cord and the most stenosis site of tracheal stenosis measuring by DL with telescope and ultrasound ultrasound 1 day before surgery and intra-operative time DL with telescope and ultrasound	—

Measure

Time frame

sensitivity and specificity of ultrasound measuring tracheal stenosis 1 day before surgery ultrasound measuring ,correlation between the start point and end point of tracheal stenosis measuring by DL with telescope and ultrasound ultrasound 1 day before surgery and intra-operative time DL with telescope and ultrasound,correlation between vocal cord and start point of tracheal stenosis measuring by DL with telescope and ultrasound ultrasound 1 day before surgery and intra-operative time DL with telescope and ultrasound,correlation between vocal cord and the most stenosis site of tracheal stenosis measuring by DL with telescope and ultrasound ultrasound 1 day before surgery and intra-operative time DL with telescope and ultrasound

—

Countries

Thailand

Contacts

Public ContactKiratika Karunratanakul

Khon kaen university

kiraka@kku.ac.th0845556777

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 9, 2026