Summary
BACKGROUND: In 2020 Chronic obstructive pulmonary disease (COPD) will be the third leading cause of death world-wide causing considerable health costs. Epidemiological data to estimate the future development of COPD in Austria were not available so far. METHODS: In the context of the international Burden of Obstructive Lung Disease (BOLD) study, a random sample of the population of Salzburg was surveyed to determine the prevalence of COPD. The definition of COPD followed the GOLD classification. A prior physician's diagnosis of COPD, emphysema or chronic bronchitis was evaluated by questionnaire. The age- and sex- specific prevalence of COPD was extrapolated using demographic data of the Austrian population for the years 2005, 2010, 2015 and 2020. Undiagnosed COPD was considered present, whenever irreversible airways obstruction was measured (FEV1/FVC < 0.7), but a doctor's diagnosis of COPD, emphysema or chronic bronchitis has not been made. RESULTS: For 2005 1.047.150 Austrians aged 40 years and older were estimated in GOLD stage I–IV. 431.080 persons over 40 years were affected by COPD in GOLD stage II–IV needing therapy. The percentage of undiagnosed COPD was 88,5%. For the years 2010, 2015 and 2020 GOLD stage I–IV COPD was projected to rise by 7,8%, 16.1% and 24%, respectively. CONCLUSION: Measures to prevent COPD are absolutely necessary to forestall the projected burden of this disease in Austria.
Zusammenfassung
HINTERGRUND: Im Jahr 2020 wird COPD weltweit die dritthäufigste Todesursache sein, und beträchtliche Gesundheitskosten verursachen. Epidemiologische Daten zur künftigen Entwicklung der COPD Prävalenz in Österreich waren bislang nicht verfügbar. METHODEN: Im Rahmen der internationalen Burden of Obstructive Lung Disease (BOLD) Studie wurde für eine Zufallsstichprobe der Salzburger Bevölkerung die Prävalenz der COPD bestimmt. Die Definition der COPD folgte dabei der GOLD Klassifikation. Mittels Fragebogen wurde zudem erhoben, ob jemals zuvor die ärztliche Diagnose COPD, Lungenemphysem oder chronische Bronchitis gestellt worden war. Die alters- und geschlechtsspezifische Prävalenz der COPD wurde auf die Demographie der österreichischen Bevölkerung für die Jahre 2005, 2010, 2015 und 2020 hochgerechnet. Als Dunkelziffer wurde jener Anteil bestimmt, bei dem in der Spirometrie eine irreversible Obstruktion vorlag, jedoch keine der drei ärztlichen Diagnosen (COPD, Lungenemphysem, chronische Bronchitis) bekannt war. ERGEBNISSE: 1.047.150 Österreicher über vierzig Jahre waren unter Verwendung der österreichischen BOLD Daten im Jahr 2005 von COPD im Stadium I–IV betroffen. 431.080 Personen über 40 Jahre waren von COPD im therapiebedürftigen Stadium II–IV betroffen. Die Dunkelziffer für das Jahr 2005 wurde mit 88,5% berechnet. Für die Jahre 2010, 2015 und 2020 ist mit einem Anstieg der an COPD im Stadium I–IV Erkrankten von 7,8%, 16,1% und 24% zu rechnen. KONKLUSION: Maßnahmen zur Prävention sind dringend erforderlich, um die erwartete Epidemie der COPD Erkrankungen in Österreich zu verhindern.
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Firlei, N., Lamprecht, B., Schirnhofer, L. et al. Die Prävalenz der COPD in Österreich – die erwartete Entwicklung bis 2020. Wien Klin Wochenschr 119, 513–518 (2007). https://doi.org/10.1007/s00508-007-0867-3
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DOI: https://doi.org/10.1007/s00508-007-0867-3