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Alexandra Lenoir1, Jean-William Fitting1, Pedro Marques-Vidal2

  • 1Service de pneumologie, Département de Médecine.

Praxis
|January 9, 2020
PubMed
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The PneumoLaus study found low prevalence of lung function abnormalities in Lausanne. Many with chronic obstruction were unaware of their condition, highlighting a need for better respiratory health awareness.

Area of Science:

  • Pulmonology
  • Epidemiology
  • Public Health

Background:

  • Reduced lung function is a predictor of increased mortality.
  • Prevalence of spirometric abnormalities varies based on definition, reference values, and bronchodilation use.
  • Population studies on lung function are crucial for understanding respiratory health burdens.

Purpose of the Study:

  • To determine the prevalence of spirometric abnormalities in a general population sample in Lausanne.
  • To identify demographic and lifestyle factors associated with abnormal lung function.
  • To assess awareness of lung disease among affected individuals.

Main Methods:

  • The PneumoLaus study surveyed a general population sample in Lausanne between 2014 and 2017.
  • Spirometry was used to assess lung function, including chronic obstruction, reversible obstruction, and possible restriction.
Keywords:
ObstruktionRauchenReferenzwerteRestriktionSpirometrieSpirometrySpirométrieobstructionreference valuesrestrictionsmokingtabagismevaleurs de référence

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  • Data on demographics, smoking status, and respiratory symptoms were collected.

    • Main Results:

    • Prevalence rates were 3.8% for chronic obstruction, 2.5% for reversible obstruction, and 2.2% for possible restriction.
    • These prevalence rates are lower than those reported in other population studies.
    • Men and ever-smokers showed higher rates of abnormal spirometry compared to women and never-smokers, respectively.
    • Two-thirds of participants with chronic obstruction were unaware of having a lung disease, often in the absence of respiratory symptoms.

    Conclusions:

    • The general population of Lausanne exhibits a lower prevalence of spirometric abnormalities compared to other studies.
    • Smoking remains a significant risk factor for reduced lung function.
    • A substantial proportion of individuals with undiagnosed chronic obstruction highlights a gap in respiratory health awareness and screening.