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Related Experiment Videos

Early detection of COPD: a case finding study in general practice.

Jan Vandevoorde1, Sylvia Verbanck, Lieve Gijssels

  • 1Department of General Practice, University of Brussels (Vrije Universiteit Brussel), Laarbeeklaan 103, B-1090 Brussels, Belgium. Jan.Vandevoorde@vub.ac.be

Respiratory Medicine
|August 16, 2006
PubMed
Summary

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Nearly half of at-risk adult smokers have undiagnosed chronic obstructive pulmonary disease (COPD). Objective wheezing was the only significant symptom predicting COPD in this general practice screening.

Area of Science:

  • Pulmonary Medicine
  • General Practice
  • Epidemiology

Background:

  • Chronic obstructive pulmonary disease (COPD) is a significant public health concern, often underdiagnosed in primary care settings.
  • Identifying at-risk populations for early detection of COPD is crucial for timely intervention and management.

Purpose of the Study:

  • To determine the prevalence of undiagnosed chronic obstructive pulmonary disease (COPD) among general practice patients at risk.
  • To assess the predictive value of respiratory symptoms for diagnosing COPD in this population.

Main Methods:

  • A screening study involving 146 general practice patients aged 40-70 years with a smoking history of at least 15 pack-years.
  • Data collection included questionnaires on smoking history, respiratory symptoms, and environmental exposures.

Related Experiment Videos

  • Spirometric testing was performed for subjects without a known COPD diagnosis.

    • Main Results:

    • A total COPD prevalence of 46.6% was identified through spirometry, with 17.1% having a pre-existing diagnosis.
    • Underdiagnosis was more common in younger age groups (40-59 years).
    • Objective wheezing was the sole symptom significantly associated with a COPD diagnosis (P<0.001).

    Conclusions:

    • A high prevalence of COPD exists in primary care patients who are current smokers aged 40-70 with significant smoking history.
    • Case-finding programs utilizing spirometry are effective, with approximately two-thirds of diagnosed COPD cases being newly identified.
    • Respiratory symptoms alone are poor predictors, with objective wheezing being a notable exception.