Evaluation of Lung Ventilation and Perfusion by Capnometer

Evaluation of Lung Ventilation and Perfusion by Capnometer - Intrabronchial Capnography

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000010007

Enrollment

Registered

2013-02-10

Start date

2011-05-01

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

bronchial stenosis

Interventions

For patients with bronchial stenosis or COPD. CO2 concentration was measured using a catheter at trachea, main bronchi and lobar bronchi during bronchoscopy.

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Bronchoscopy is performed in patients with bronchial stenosis or COPD.

Exclusion criteria

Exclusion criteria: Patients with sever pulmonary dysfunction

Design outcomes

Primary

Measure	Time frame
End - tidal carbon dioxide (EtCO2) concentration before and after interventional bronchoscopy	—

Secondary

Measure	Time frame
Lung ventilation and perfusion status before and after interventional bronchoscopy. Lung ventilation and perfusion status at lobar bronchi during bronchoscopy.	—

Countries

Japan

Contacts

Public ContactHiroki Nishine

St. Marianna University School of Medicine Division of Respiratory Diseases, Department of Internal Medicine

h2nishine@marianna-u.ac.jp044-977-8111

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026