Asthma and regular beta agonist treatment.

Regular inhaled beta agonist in asthma: effects on exacerbations and lung function.

BACKGROUND A comparison of the effects of regular upsilon as needed inhaled beta agonist treatment on the control of asthma in the last 16 weeks of each of two 24 week treatment periods has been reported. This paper presents additional information on exacerbations of asthma and trends in lung function, airways hyperresponsiveness to methacholine, and bronchodilator responsiveness during the ent...

Bronchodilator tolerance and rebound bronchoconstriction during regular inhaled beta-agonist treatment.

There is uncertainty about the development of airway tolerance to beta-agonists and the phenomenon of rebound bronchoconstriction on beta-agonist withdrawal. We have recently completed a study of the regular terbutaline and budesonide treatment in asthma. We report our observations on the effect of starting and stopping terbutaline treatment on morning and evening peak flows. The study was a ra...

Regular beta-agonist therapy--the quality of the evidence.

Holding chambers (spacers) versus nebulisers for beta-agonist treatment of acute asthma.

BACKGROUND In acute asthma inhaled beta(2)-agonists are often administered by nebuliser to relieve bronchospasm, but some have argued that metered-dose inhalers with a holding chamber (spacer) can be equally effective. Nebulisers require a power source and need regular maintenance, and are more expensive in the community setting. OBJECTIVES To assess the effects of holding chambers (spacers) ...

fluoride and dental fluorosis and treatment

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