International journal of chronic obstructive pulmonary disease · 2021
COPD Exacerbation History and Impact on Future Exacerbations - 8-Year Retrospective Observational Database Cohort Study from Germany.
СтатьяНаблюдательное исследованиеПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод пока не подготовлен
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Vogelmeier Claus F, Diesing Joanna, Kossack Nils, Pignot Marc, Friedrich Felix W
Аннотация
BACKGROUND: Recent studies evaluating the predictive value of different variables on future exacerbations suggest exacerbation history as the strongest predictor. We examined the effect of exacerbation history on subsequent events in a large sample population with over 250,000 COPD patients using up to 8 years of longitudinal healthcare data from Germany.
METHODS: Patients 40 years or older with any COPD diagnosis in primary or secondary care were included from 2011 to 2017 (index period) from healthcare insurance claims (Germany; WIG2 research database), with 12 months before index date as baseline and at least 12-month follow-up. Exacerbations during baseline were defined as moderate (treatment with oral corticosteroids or antibiotics, J01AA, J01CA) or severe (emergency visit or hospitalization).
RESULTS: Patients without (category A), with one moderate (category B), or with either one severe or several baseline exacerbations (category C) experienced an average of 0.9 (CI 0.9-0.9), 1.9 (CI 1.9-1.9), and 6.3 (CI 6.1-6.3) exacerbations during the first 3 years of follow-up, respectively. By 8 years, 87.0% (CI 86.6-87.4), 70.5% (CI 69.9-71.0) and 49.1% (CI 48.9-49.3) of category C, B and A patients had experienced a subsequent exacerbation.
CONCLUSION: Baseline exacerbations increased the likelihood of, and reduced time to subsequent exacerbations. Even patients without baseline exacerbations experienced exacerbations within three years, emphasizing the importance of adequate treatment in patients with less severe disease presentation as well.
METHODS: Patients 40 years or older with any COPD diagnosis in primary or secondary care were included from 2011 to 2017 (index period) from healthcare insurance claims (Germany; WIG2 research database), with 12 months before index date as baseline and at least 12-month follow-up. Exacerbations during baseline were defined as moderate (treatment with oral corticosteroids or antibiotics, J01AA, J01CA) or severe (emergency visit or hospitalization).
RESULTS: Patients without (category A), with one moderate (category B), or with either one severe or several baseline exacerbations (category C) experienced an average of 0.9 (CI 0.9-0.9), 1.9 (CI 1.9-1.9), and 6.3 (CI 6.1-6.3) exacerbations during the first 3 years of follow-up, respectively. By 8 years, 87.0% (CI 86.6-87.4), 70.5% (CI 69.9-71.0) and 49.1% (CI 48.9-49.3) of category C, B and A patients had experienced a subsequent exacerbation.
CONCLUSION: Baseline exacerbations increased the likelihood of, and reduced time to subsequent exacerbations. Even patients without baseline exacerbations experienced exacerbations within three years, emphasizing the importance of adequate treatment in patients with less severe disease presentation as well.