Asthma Asthma,
Conditions
Interventions
Asthma subjects with persistently fixed airflow obstruction (post-
BD and on-
treatment FEV1/FVC ratio tests persistently below 0.7) at both visits despite regularly receiving asthma treatment grouped under asthma-
related COPD. ,Asthma subjects were characterized by reversible airflow obstruction (post-
BD and/or on-
treatment FEV1/FVC ratio tests above 0.7),
grouped under usual chronic asthma.
Basic Science,Basic Science
Asthma-
related COPD,Usual chronic asthma
Sponsors
Faculty of Medicne, ChiangMai university
Department of Internal Medicine,
Faculty of Medidine,
ChiangMai university
Eligibility
Sex/Gender
All
Age
18 Years to No maximum
Inclusion criteria
Inclusion criteria: Asthma patients routinely managed by pulmonologists, aged between 40-80 years, met the inclusion criteria for asthma diagnosis. The criteria for diagnosis of asthma were based on a smoking history of 12% and 200 ml.7
Exclusion criteria
Exclusion criteria: The exclusion criteria were history of irregular follow-up in the past year, poor compliance with treatment, and presence of concomitant systemic co-morbidities that can affect cardiopulmonary function.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Potential risk factors - - | — |
Secondary
| Measure | Time frame |
|---|---|
| exacerbation rate baseline, month 3,6, 9,12,15 time | — |
Countries
Thailand
Contacts
Public ContactChaicharn Pothirat
Faculty of Medicine, ChiangMai university
Outcome results
None listed