Asthma bronchodilatation test
Conditions
Interventions
ventilation group:None
Pulse before and after diastolic group:None
Sponsors
Shanghai Children's Medical Center
Eligibility
Sex/Gender
All
Age
4 Years to 18 Years
Inclusion criteria
Inclusion criteria: 1.4-18 years old children with asthma; 2.Diagosed asthma at the time of enrollment (severity assessment required); 3.Have not used aerosol or oral short-acting bronchodilator within 6 hours before the test and no intermediate-acting bronchodilator within 12 hours, no antihistamine, long-acting bronchodilator, leukotriene receptor antagonist within 24 hours; 4.Born in China, both parents of the child are Chinese; 5.Normal intelligence development; 6.No neurological disease; 7.Normal range of height and weight.
Exclusion criteria
Exclusion criteria: 1.Wheezing caused by non-asthmatic factors; 2.Unable to cooperate; 3.Congenital heart and lung diseases; 4.Airway deformities; 5.Malnutrition.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Vital capacity max;Forced vital capacity;Forced expiratory volume in 1s;Forced expiratory volume in 1s/ vital capacity;Maximum expiratory flow at 50% of lung capacity;Maximum expiratory flow at 75% lung capacity;Mean maximum expiratory flow;Total airway resistance;Central airway resistance;Peripheral elastic resistance;Resonance frequency; | — |
Countries
China
Contacts
Public ContactZhang Hao
Shanghai Children's Medical Center
Outcome results
None listed