AI Article Synopsis
- Evaluating asthma exacerbations requires both subjective symptoms and objective tests, and oscillometry can be used when spirometry isn't possible.
- The study involved 21 patients experiencing asthma exacerbations, where oscillometry, spirometry, and symptom assessments were performed before and after treatment with corticosteroids and aminophylline.
- Results showed that while spirometry was not feasible for all patients, oscillometry indicated significant improvement in symptoms and lung function post-treatment, highlighting its potential as a useful alternative for monitoring treatment response.
Article Abstract
Background: It is necessary to evaluate the severity of asthma exacerbations for subjective symptoms and objective indicators. When patients cannot perform spirometry, oscillometry is a surrogate test.
Objective: We assessed the usefulness of oscillometry for the evaluation of treatment responsiveness in patients with asthma exacerbations.
Methods: The subjects included 21 consecutive patients with asthma exacerbations. Symptomatic responses, oscillometry, and spirometry (if possible) were assessed before and after treatment with corticosteroids and aminophylline.
Results: After treatment, all of the patients were allowed to return home and had no hospital visits. Oscillometry was feasible in all patients; however, spirometry could not be performed in 9 patients. Overall, there was a significant improvement in wheezing scores and oscillometric parameters, but not in FEV1 after treatment. The thresholds for a positive bronchodilator response in oscillometry were observed in 4 or more patients, while the minimal clinically important differences in FEV1 were observed in one patient.
Conclusion: Oscillometry can detect improvements that cannot.
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Source |
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| http://dx.doi.org/10.1016/j.resp.2023.104065 | DOI Listing |
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