New screening tool helps doctors diagnose more people with COPD

Written By :  Isra Zaman
Medically Reviewed By :  Dr. Kamal Kant Kohli
Published On 2023-02-15 04:00 GMT   |   Update On 2023-02-15 04:00 GMT
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A new tool shows promise in helping primary care physicians identify adults with undiagnosed chronic obstructive pulmonary disease (COPD), according to research published in JAMA.

The COPD Assessment in Primary Care to Identify Undiagnosed Respiratory Disease & Exacerbation Risk (CAPTURE), was designed to identify adults with COPD symptoms severe enough to treat, but who haven’t received a diagnosis. After a multi-year-long clinical trial, researchers found CAPTURE successfully identified almost half of participants who had moderate to severe forms of previously undiagnosed COPD.

Conducted at seven U.S. clinical research network centers from October 2018 to April 2022, the trial involved 4,325 adults, ages 45-80. By the end of the study, researchers discovered that 110 participants, 2.5% of the study sample, had moderate to severe forms of COPD. CAPTURE identified 53, or 48%, of these cases. However, it provided false positives for 479 participants, 11%, who did not have COPD. All participants received COPD testing, which is how researchers assessed the tool’s effectiveness.

While the researchers said they are studying ways to improve CAPTURE’s accuracy, they emphasized the goal of the screening criteria is not to diagnose COPD, but to identify patients who would benefit from COPD testing. The gold standard for diagnosing the condition is through spirometry, a breathing test.

Reference: 

Martinez FJ, Han MK, Lopez C, et al. Discriminate accuracy of the CAPTURE tool for identifying chronic obstructive pulmonary disease in US primary care settings. JAMA. 2023; doi: 10.1001/jama.2023.0128.

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Article Source : JAMA

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