Impulse oscillometry in Interventional bronchoscopy

Impulse oscillometry in Interventional bronchoscopy - Impulse oscillometry in Interventional bronchoscopy

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000003391

Enrollment

Registered

2010-03-28

Start date

2010-03-01

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 with central airway stensis

Interventions

IOS: to perform 2 times before and after therapy and 2 times during interventional bronchoscopy.

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: patients with central airway stentosis

Exclusion criteria

Exclusion criteria: one-lunged patients not to get informed consent with patients e.g. dementia

Design outcomes

Primary

Measure	Time frame
Improvement of IOS including R5, R20, X5, X20 and Fres before and after interventional bronchoscopy	—

Secondary

Measure	Time frame
correlation between IOS and spirometry, cross sectional area at the narrowest segment using CT and NEP.	—

Countries

Japan

Contacts

Public ContactHiroshi Handa

St. Marianna university school of medicine Division of Respiratory and Infectious diseases, department of internal medicine

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

Outcome results

None listed

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