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Multicenter study of the COPD-6 screening device: feasible for early detection of chronic obstructive pulmonary disease in primary care?

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BACKGROUND AND AIM: Early detection of COPD may reduce the future burden of the disease. We aimed to investigate whether prescreening with a COPD-6 screening device (measuring FEV1 and FEV6) facilitates early detection of COPD in primary care.

METHODS: In primary care, individuals at high risk of COPD (ie, age ≥35 years, relevant exposure, and at least one respiratory symptom) and no previous diagnosis of obstructive lung disease were examined with a COPD-6 screening device. In prioritized order, the criteria for proceeding to confirmatory spirometry were FEV1/FEV6 <0.7, FEV1 <80%pred, or clinical suspicion of COPD regardless of test result (medical doctor's [MD] decision). Based on spirometry, including bronchodilator (BD) reversibility test, individuals were classified as COPD (post-BD FEV1/FVC <0.70), asthma (ΔFEV1 ≥0.50 L), or no obstructive lung disease.

RESULTS: A total of 2,990 subjects (54% men, mean age 59 years, and mean 28 pack-years) were enrolled, of whom 949 (32%) proceeded from COPD-6 screening to confirmative spirometry based on the following criteria: 510 (54%) FEV1/FEV6 <0.70, 382 (40%) FEV1 <80%pred, and 57 (6%) MD decision. Following confirmative spirometry, the 949 individuals were diagnosed as having COPD (51%), asthma (3%), and no obstructive lung disease (45%). COPD was diagnosed in 487 (16%) of the enrolled subjects in whom confirmative spirometry was performed in 69% based on FEV1/FEV6 <0.7 and in 29% based on FEV1 ≤80%pred.

CONCLUSION: Prescreening with the COPD-6 device showed acceptable specificity for the selection of subjects for diagnostic spirometry and is likely to be a useful alternative to current practice in primary care.

Original languageEnglish
JournalInternational journal of chronic obstructive pulmonary disease
Volume12
Pages (from-to)2323-2331
ISSN1178-2005
DOIs
Publication statusPublished - Jun 2017

    Research areas

  • Journal Article

ID: 51564588