Observational study on the development of a breath sound analysis system as a medical support tool for interstitial pneumonia

Observational study on the development of a breath sound analysis system as a medical support tool for interstitial pneumonia - Analysis of auscultatory sounds in interstitial pneumonia

Status

Recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000051168

Enrollment

Registered

2024-01-01

Start date

2017-11-18

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

Interstitial pneumonia

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients who meet all of the following criteria and have already been clinically diagnosed with interstitial pneumonia. Abnormal breath sounds are heard on auscultation with a conventional stethoscope. High-resolution CT (HRCT) scan by two or more respiratory specialists or radiologists shows interstitial pneumonia. Elevation of pulmonary fibrosis markers such as KL-6 and SP-D

Exclusion criteria

Exclusion criteria: Patients thought to be complicated by active respiratory tract infection Patients in which auscultation is difficult (e.g., severe cough, difficulty with deep inspiration, difficulty restraining oneself during auscultation) Patients with life-threatening conditions such as respiratory or cardiac failure requiring emergency treatment

Design outcomes

Primary

Measure	Time frame
Decision threshold for lung sound analysis in assisting diagnosis of interstitial pneumonia.	—

Secondary

Measure	Time frame
Relationship between the severity of imaging and lung sound analysis in interstitial pneumonia Relationship between clinical diagnosis of interstitial pneumonia and lung sound analysis	—

Countries

Japan

Contacts

Public ContactMaki Asami-Noyama

Graduate School of Medicine, Yamaguchi University Department of Respiratory and Infectious Diseases

noyamama@yamaguchi-u.ac.jp09062166020

Outcome results