Comparison of various factors such as height and gender with dimensions of windpipe in selecting the size of tube used for securing the airway in lung surgery.

A prospective comparative observational study of selection of appropriate sized double lumen tubes for one lung ventilation by conventional method of height and gender versus CT guided tracheobronchial measurements. - NIL

Status

Active, not recruiting

Phases

Phase 3Phase 4

Study type

Interventional

Source

CTRI

Registry ID

CTRI/2024/05/067119

Enrollment

110

Registered

2024-05-09

Start date

Unknown

Completion date

Unknown

Last updated

2024-05-27

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

Conditions

Health Condition 1: J96-J99- Other diseases of the respiratory system

Interventions

Control Intervention1: CT guided measurements: Measurements of tracheobronchial tree at different areas, like tracheal diameter, cricoid diameter, left main bronchus diameter using 3D Computed Tomogra

Eligibility

Inclusion criteria

Inclusion criteria: ASA I, ASA II and stable ASA III patients.

Exclusion criteria

Exclusion criteria: Patient refusal Age below 18 years Unstable ASA III , ASA IV and above Patients with distorted trachea and/or bronchial tree Anticipated difficult airway Patients having absolute contraindication for left sided DLT

Design outcomes

Primary

Measure	Time frame
Patients requiring different size DLT for adequate lung isolation, as compared to the DLT size predicted by the conventional method of height and gender, for one lung ventilation. Timepoint: one time measurement after securing airway, at 30min	—

Secondary

Measure	Time frame
To accurately measure & tabulate dimensions of different sizes of Left Double lumen tubes used regularly in operation room ,as a guide.Timepoint: At baseline;To calculate percentage of agreement of size of DLT with CT guided measurements like tracheal diameter , cricoid diameter & left main bronchus diameter.Timepoint: One time measurement after securing airway at 30 mins;To tabulate appropriate sized left DLT that can be used for different transverse diameter of cricoidTimepoint: After 6 months	—

Measure

Time frame

To accurately measure & tabulate dimensions of different sizes of Left Double lumen tubes used regularly in operation room ,as a guide.Timepoint: At baseline;To calculate percentage of agreement of size of DLT with CT guided measurements like tracheal diameter , cricoid diameter & left main bronchus diameter.Timepoint: One time measurement after securing airway at 30 mins;To tabulate appropriate sized left DLT that can be used for different transverse diameter of cricoidTimepoint: After 6 months

—

Countries

India

Contacts

Public ContactAnisha Joy

Christian Medical College Vellore

balooswamy@gmail.com7406777127

Outcome results

None listed

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