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Effect of Age on Bronchodilator Response in Acute Severe Asthma Treatment

Gustavo Rodrigo; Carlos Rodrigo
Author and Funding Information

Affiliations: From the Departamento de Emergencia, Hospital Central de las FF AA, Asociación Española la de Socorros Mutuos, Montevideo, Uruguay,  From the Centro de Tratamiento Intensivo, Asociación Española la de Socorros Mutuos, Montevideo, Uruguay

Affiliations: From the Departamento de Emergencia, Hospital Central de las FF AA, Asociación Española la de Socorros Mutuos, Montevideo, Uruguay,  From the Centro de Tratamiento Intensivo, Asociación Española la de Socorros Mutuos, Montevideo, Uruguay


1997 by the American College of Chest Physicians


Chest. 1997;112(1):19-23. doi:10.1378/chest.112.1.19
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Abstract

Study objectives: This study was designed to evaluate the effects of age on bronchodilator response to salbutamol in patients with acute severe asthma in the emergency department.

Subjects and methods: Sixty-four sequential patients (mean age, 34.2±10.7 years) with acute asthma were enrolled in the trial. Using age as a major criterion, we divided the sample in two groups: the young one (age ≤35 years, n=30) and the older (>35 years, n=34). All patients were treated with salbutamol delivered with metered-dose inhaler into a spacer device, in a dose of four puffs every 10 min (100 µg per actuation) during 3 h.

Results: Mean FEV1 improved significantly over baseline values for both groups (p=0.001). At final disposition, the mean percent of predicted FEV1 was 55.1±16.3% in the young group and 58.0±20.9% in the older group. There were no significant differences between both groups for FEV1 percent response at any point studied. A significant increase in heart rate over baseline was seen in the older group (p=0.001). Older patients also presented a higher incidence in nausea and tremor. Young and older patients with acute asthma achieved equivalent bronchodilation response to salbutamol.

Conclusions: We concluded that age is not a predictor of response to β-agonists.


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