PMID: 11321830Apr 27, 2001Paper

Early replacement of intravenous aminophylline administration with oral theophylline in treating acute exacerbation of asthma

Nihon Kokyūki Gakkai zasshi = the journal of the Japanese Respiratory Society
Y OnoY Ohta

Abstract

Intravenous (i.v.) administration of aminophylline has been used to relieve acute exacerbation of bronchial asthma for almost a century. Despite confidence in its effectiveness, controversy has arisen about its efficacy. We currently use aminophylline in the routine treatment of asthma since the drug is essentially useful. Continuous aminophylline infusion tends to be used rather haphazardly in hospital wards, and the criteria for termination of an infusion have not been clarified. We therefore attempted to determine: 1) whether continuous aminophylline infusion is actually beneficial, 2) whether the TDM (treatment drug monitoring) system can be used to establish a protocol for prescribed dosing after an early switch from i.v. to oral administration, and 3) whether adherence to the protocol would contribute to decreases in the duration of hospitalization and in medical expenses. Seventeen patients with acutely exacerbated asthma were enrolled in this study. Nine patients were prescribed oral theophylline on the second hospital day (p.o. group), while eight received continuous i.v. aminophylline (i.v. group). The serum theophylline concentrations were maintained in the therapeutic range in both groups. Peak flow, symptom scores,...Continue Reading

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