PMID: 15125428May 6, 2004Paper

Effect of high doses of broncholytics on the state of cardiovascular system during treatment of sever exacerbation of bronchial asthma

Kardiologiia
V I MakolkinA S Axel'rod

Abstract

The use of broncholytic drugs through nebulizer is a standard treatment for acute episodes of bronchial asthma. However doses of these drugs administered by nebulizer can be much higher than those applied when metered dose inhaler is used. These doses have a potential of cardiotoxic effects. Patients (n=75) with severe exacerbation of bronchial asthma. All patients received broncholytic drugs through nebulizer. Doses were adjusted according to age and concomitant pathology among which prevailed ischemic heart disease (21.3%) and hypertension (53.3%). Nebulized beclomethasone was an alternative to systemic corticosteroids. Safety of therapy was controlled with electrocardiography, 24-hour electrocardiography, measurements of serum potassium level, registration of subjective signs (palpitation, tremor) and objective data (heart rate, blood pressure). Clinical improvement occurred in all patients. By the end of nebulizer therapy arterial blood O(2) saturation increased 4.66% from initial level (p=0.04). Peak expiratory rate and forced expiratory volume in 1 sec also rose (p <0.05). Termination of nebulizer therapy was associated with decrease of number of both supraventricular and ventricular premature beats. Moderate widening of ...Continue Reading

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