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  • Title: [The influence of salmeterol and salbutamol on bronchial constriction in patients with bronchial asthma].
    Author: Tymińska K, Grzelewska-Rzymowska I, Kroczyńska-Bednarek J, Kwiatkowska S.
    Journal: Pneumonol Alergol Pol; 1998; 66(11-12):524-9. PubMed ID: 10391959.
    Abstract:
    The aim of the study was to compare bronchodilatating effect of inhaled salmeterol, salbutamol and both drugs administered simultaneously. 14 subjects (7 females, 7 men), aged 30-65 years (mean 49 yrs), suffering from moderate to severe asthma were examined. The improvement of FEV1 greater than 15% within 15 minutes of inhaling 200 micrograms of salbutamol was demanded. The study was performed in randomized, double-blinded, placebo controlled design. Throughout the study, all patients kept a daily score of symptoms and treatment. Each day of the trial, FEV1 in 30, 60, 120, 180 and 240 minute was measured. The statistically significant increase of FEV1 was noted only in 30 minute after salbutamol and in 180 minute after inhaling of salmeterol in comparison to salbutamol alone. No significant advantage of adding salbutamol to the patients previously treated with salmeterol was observed.
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