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Published:
Apr 6, 2016Keywords:
Asthma developing country spirometry budesonide/formoterol therapy
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Epidemiological and clinical characteristics, spirometric parameters and response to budesonide/formoterol in patients attending an asthma clinic: an experience in a developing country
Abstract
Introduction: This study aims at describing the epidemiological and clinical characteristics, severity, reversibility testing and response to treatment using simple spirometry in asthmatic patients attending a model specialized Asthma Care Center. Methods: Eligible subjects must have a suggestive clinical picture and confirmed by spirometry to have a 12% plus 200ml absolute increase in FEV1 either by reversibility testing or after a therapeutic trial with inhaled and/or oral steroid therapy. Budesonide-Formoterol Turbohaler was used for reversibility testing and for maintenance therapy with or without the addition of oral prednisolone. Results: One hundred and nineteen patients were eligible for the study. Age ranged between 10 -70 years. One hundred and thirteen patients (95.0%) had an FEV1 less than 80% of predicted. One hundred and five patients (88.2%) had reversibility testing of whom 72 (68.6%) had a significant reversibility. Sixty two patients (52.1%) were prescribed
Budesonide-Formoterol Turbohaler only whilst 57 were prescribed both Budesonide-Formoterol Turbohaler and oral prednisolone. Patients were reviewed after a mean of 14.9 days (range 6.0-28.0). Seventy two patients (60.5%) had increased their FEV1 to more than 80% of their predicted value. By logistic regression analysis, predicted FEV1 at baseline was a significant negative predictor of a complete response. Conclusion: Most patients had abnormal spirometry with more than half having an FEV1 that is 60% or less of their predicted normal reading. Reversibility testing using Budesonide-Formoterol Turbohaler confirmed the fast onset of action of its Formoterol component and helped in cutting the cost of this test. The majority improved with treatment with 60% normalizing their spirometry highlighting the feasibility and applicability of specialized asthma care centers in resource-poor countries.
Budesonide-Formoterol Turbohaler only whilst 57 were prescribed both Budesonide-Formoterol Turbohaler and oral prednisolone. Patients were reviewed after a mean of 14.9 days (range 6.0-28.0). Seventy two patients (60.5%) had increased their FEV1 to more than 80% of their predicted value. By logistic regression analysis, predicted FEV1 at baseline was a significant negative predictor of a complete response. Conclusion: Most patients had abnormal spirometry with more than half having an FEV1 that is 60% or less of their predicted normal reading. Reversibility testing using Budesonide-Formoterol Turbohaler confirmed the fast onset of action of its Formoterol component and helped in cutting the cost of this test. The majority improved with treatment with 60% normalizing their spirometry highlighting the feasibility and applicability of specialized asthma care centers in resource-poor countries.
