Hyperresponsiveness as a Determinant of the Outcome in Chronic Obstructive Pulmonary Disease

D.S Postma*, J.B Wempe, T.E.J Renkema, T.W van der Mark , G.H Koëter

*Corresponding author for this work

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    Abstract

    A better outcome of patients with chronic obstructive pulmonary disease (COPD) appears to be determined by higher FEV1, smoking cessation, lower airway hyperresponsiveness, and, at least in the presence of therapy, with a higher reversibility of airflow obstruction. In our opinion, these findings provide a firm ground for smoking cessation and most likely for institution of early treatment directed at both the reversible part of airflow obstruction and airway hyperresponsiveness in patients with COPD. But there are large gaps in our understanding of the effects of bronchodilator and antiinflammatory drugs on airway hyperresponsiveness. After acute administration, sympathomimetics cause a larger reduction of airway hyperresponsiveness than do anticholinergics, both in asthma and in COPD. What happens after longer periods of treatment is not yet clear in COPD, whereas in asthma there may occur a deterioration of airway responsiveness. Corticosteroids appear to have a beneficial effect on lung function and the severity of airway hyperresponsiveness in asthma. In COPD, however, no definite conclusion can be drawn as to the beneficial effect of corticosteroids, but short-term effects are not promising.

    The available data from the literature strongly suggest the need for long-term studies with large groups of patients in order to assess a potential treatment effect. In this way, also, a subgroup of patients with COPD who improve with corticosteroids and/or bronchodilators may be found. It seems advisable to include both subjective (i.e., quality of life, complaints, symptoms) and objective (i.e., hospitalization, survival, FEV1, PEFR, PC20, and reversibility) data as investigational tools for outcome analysis.

    Original languageEnglish
    Pages (from-to)1458-1462
    Number of pages5
    JournalAmerican Review of Respiratory Disease
    Volume143
    Issue number6
    DOIs
    Publication statusPublished - Jun-1991
    Event2ND LUNTEREN SYMP ON SIMILARITIES AND DISCREPANCIES BETWEEN ASTHMA AND CHRONIC OBSTRUCTIVE PULMONARY DISEASE - , Netherlands
    Duration: 19-Oct-198921-Oct-1989

    Keywords

    • AIR-FLOW OBSTRUCTION
    • DOSE-RESPONSE CURVES
    • IPRATROPIUM BROMIDE
    • BRONCHIAL HYPERREACTIVITY
    • CORTICOSTEROIDS SLOW
    • AIRWAYS OBSTRUCTION
    • INHALED BUDESONIDE
    • BETA-AGONISTS
    • ASTHMA
    • SALBUTAMOL

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