Asthma
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Cohort study inclusive criteria: 1. Diagnosis of asthma, bronchial asthma, allergic asthma based of the clinical record either inwards or outwards in the previous last year; 2. New diagnosis of asthma, bronchial asthma, allergic asthma; 3. Above 18 years old; 4. Completed pulmonary function test within 1 month after diagnosis. Subgroup analysis inclusive criteria: 1. New diagnosis of moderate and severe allergic asthma; 2. Above 18 years old; 3. Small airway disease diagnosed by pulmonary function test within 1 month after diagnosis; 4. Complete CT scan within 1 month after diagnosis.
Exclusion criteria
Exclusion criteria: Cohort study exclusive criteria: 1. Pregnancy women; 2. Incomplete medical information; 3. Incompatible with follow-up visits. Subgroup analysis exclusive criteria: 1. Pregnancy women; 2. Incompatible with follow-up visits.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Number of acute exacerbations of asthma in 1 year;Proportion of small airway function improvement within 1 year; | — |
Secondary
| Measure | Time frame |
|---|---|
| Asthma Control Questionnaire-6, ACQ-6; Asthma Quality of Life Questionnaire, AQLQ;Forced vital capacity, FVC;Forced expiratory volume in one second, FEV1;Maximal mid-expiratory flow, MMEF;Maximal expiratory rlow 50%, MEF50%;Maximal expiratory rlow 75%, MEF75%; | — |
Countries
China
Contacts
Beijing Hospital