Severe asthma: prevention is better than cure.

Abstract:

:Asthmatic patients during sympton-free periods almost invariably have abnormalities in lung mechanics and gas exchange. Tentacious secretions and mucosal thickening exaggerate maldistribution of ventilation and cause flow limitation in small airways. Hence, the maximal expiratory flow volume loop in these patients will show impaired flow rates at low lung volumes and many will show a widened alveolar-arterial O2 tension difference. Preventive treatment should be aimed at reversing these abnormalities. The regular use of inhaled sympathomimetics and oral theophylline preparations is justified in the symptom-free patient whose history suggests that he is susceptible to acute exacerbations. Such patients commonly experience an improved sense of well-being, increased exercise tolerance, and a decrease in the frequency and severity of their acute episodes.

journal_name

Drugs

journal_title

Drugs

authors

Goldstein RS,Slutsky AS,Rebuck AS

doi

10.2165/00003495-197816030-00007

subject

Has Abstract

pub_date

1978-09-01 00:00:00

pages

256-67

issue

3

eissn

0012-6667

issn

1179-1950

journal_volume

16

pub_type

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