age
Item
1. age 17-55 years old;
boolean
C0001779 (UMLS CUI [1])
acute asthma
Item
2. patients treated and discharged from one of the four study sites with acute asthma (not simply for a prescription refill) during the study period;
boolean
C0582415 (UMLS CUI [1])
asthma exacerbation; β-agonists
Item
3. patients must have had a previous physician-diagnosis of asthma and an exacerbation diagnosed by the ed physician (e.g., past asthma history, recorded response to β-agonists in the ed, and increased asthma symptoms). in the event of a new diagnosis, the patient is still eligible for the study if the treating physician feels that the history is compatible with a diagnosis of asthma;
boolean
C0349790 (UMLS CUI [1])
C0001644 (UMLS CUI [2])
fev1; Airflow Obstruction
Item
4. patients must have evidence of airflow obstruction on presentation at the ed, defined as an fev1 or pef <80% of predicted;
boolean
C0588029 (UMLS CUI [1])
C1527303 (UMLS CUI [2])
Smoking History
Item
5. patients must not have a history of more than 20 pack-years of smoking;
boolean
C1519384 (UMLS CUI [1])
Primary Care Physicians
Item
6. all patients should have a pcp (fp, nurse practitioner or internist) with whom to follow-up or attempts will be made to find one for them.
boolean
C0033131 (UMLS CUI [1])
Chronic Obstructive Airway Disease
Item
these criteria ensure the exclusion of suspected copd patients and patients who require different treatments:
boolean
C0024117 (UMLS CUI [1])
pulmonologist
Item
1. patients with asthma who are primarily cared for by a respirologist/pulmonologist;
boolean
C0586859 (UMLS CUI [1])
emergency physician
Item
2. patients not seen by an emergency physician in the ed (e.g., direct referrals);
boolean
C0420374 (UMLS CUI [1])
acute copd
Item
3. physician diagnosis of acute copd (e.g., failure of fev1 or pef to respond to ed treatment and a fev1/fvc ratio ≤ 70%);
boolean
C0340044 (UMLS CUI [1])
pneumonia radiologically confirmed
Item
4. radiologically confirmed pneumonia during the 10 days preceding trial entry;
boolean
C0032285 (UMLS CUI [1,1])
C0043299 (UMLS CUI [1,2])
bronchiectasis; cystic fibrosis; lung cancer
Item
5. patients with an active history of bronchiectasis, cystic fibrosis, or lung cancer;
boolean
C0006267 (UMLS CUI [1])
C0010674 (UMLS CUI [2])
C0242379 (UMLS CUI [3])
congestive heart failure
Item
6. clinically confirmed congestive heart failure at ed presentation;
boolean
C0018802 (UMLS CUI [1])
compliance behavior spirometry assessment
Item
7. patients not able/unwilling to perform spirometry assessment;
boolean
C1321605 (UMLS CUI [1,1])
C0037981 (UMLS CUI [1,2])
C0220825 (UMLS CUI [1,3])
informed consent Limited Comorbidity
Item
8. inability to provide informed consent or comply with the study protocol due to cognitive impairment, language barrier, or no contact details;
boolean
C0021430 (UMLS CUI [1,1])
C0439801 (UMLS CUI [1,2])
C0009488 (UMLS CUI [1,3])
Study Subject Participation Status
Item
9. patient has previously participated in the study;
boolean
C2348568 (UMLS CUI [1])
compliance behavior Limited Comorbidity
Item
10. patients who in the opinion of the investigator are unsuitable for enrolment.
boolean
C1321605 (UMLS CUI [1,1])
C0439801 (UMLS CUI [1,2])
C0009488 (UMLS CUI [1,3])