Copyright ©ERS Journals Ltd 2003 Epidemiological aspects and early detection of chronic obstructive airway diseases in the elderly1 Unit for Lung and Allergy Research, National Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden, 2 The Obstructive Lung Disease in Northern Sweden (OLIN) Studies, Dept of Medicine, Sunderby Central Hospital of Norrbotten, Luleå, Sweden, 3 Dept of Thoracic Medicine, Institute of Medicine, University of Bergen, Bergen, Norway, 4 Dept of General Practice, University Medical Centre, Nijmegen, the Netherlands, 5 Dept of Respiratory Medicine and Allergy, University of Umeå, Sweden CORRESPONDENCE: B. Lundbäck, Unit for Lung and Allergy Research, National Institute of Environmental Medicine, Karolinska Institutet, SE - 171 77 Stockholm, Sweden. Fax: 46 8300619. E-mail: bo.lundback@telia.com Keywords: asthma, chronic obstructive pulmonary disease, epidemiology, spirometry
Received: April 12, 2002
A prerequisite for fighting COPD is to acquire data on illnesses and death. COPD has only recently been defined by cut-off points of spirometric outcomes, which is why measures of the prevalence of COPD have been distorted by use of a large number of different diagnostic terms and lung function criteria. The prevalence of clinically-relevant COPD has been estimated in several community studies to 46% in adult population samples, with a considerable increase by age, particularly among smokers. The incidence of COPD not only increases heavily with age and smoking, but also occupational exposure to dust, gas and damp. Precise estimates of the incidence of COPD or spirometric airflow limitation are not available.
Demographic changes will result in a further substantial increase of chronic obstructive airway disorders, mainly chronic obstructive pulmonary disease, among the elderly. The increasing burden of chronic obstructive pulmonary disease has to come to the awareness of the public, governments, health authorities, and industry.
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