Interstitial pneumonia
Conditions
Interventions
None listed
Sponsors
Department of Respiratory Medicine, Allergy, and Rheumatic Diseases Osaka University Graduate School of Medicine
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: Patients with clinically diagnosed idioathic interstitial pneumonia or interstitial pneumonia associated with collagen vascular disease who initiated to receive long-term oxygen therapy in Osaka University Hospital from January 1999 to December 2012 were searched. The diagnosis of interstitial pneumonia was determined based on laboratory data, pulmonary function test, physical examination, and high resolution computed tomography findings. The diagnosis of collagen vascular disease was according to established guideline. Long-term oxygen therapy was initiated if PaO2 of arterial blood gas at rest under room air was below 60 mmHg; or if SpO2 on exertion breathing room air was below 90 accompanied by significant dyspnea.
Exclusion criteria
Exclusion criteria: Exclusion criteria were as follows: subjects with interstitial pneumonia suspected to be secondary to environmental exposure or drug toxicities; subjects with severe organ disease or active invasive cancer at the initiation of long-term oxygen therapy.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Survival time from the initiation of long-term-oxygen therapy | — |
Countries
Japan
Contacts
Public ContactMasayoshi Higashiguchi
Osaka University Graduate School of Medicine Department of Respiratory Medicine, Allergy and Rheumatic Diseases
Outcome results
None listed