AI Article Synopsis
- Spirometry is essential for diagnosing chronic obstructive pulmonary disease (COPD), but it hasn't always been conducted, leading to potential misdiagnosis.* -
- A study showed that from 2004 to 2010, 88% of new COPD patients underwent spirometry, a significant increase from 59% in the 2000-2003 cohort.* -
- Factors like current smoking, low education, and primary care management were linked to less diagnostic spirometry, but the correct interpretation of results improved, with 94% of repeat tests showing consistent abnormal ratios.*
Article Abstract
Spirometry should be used to confirm a diagnosis of chronic obstructive pulmonary disease (COPD). This test is not always performed, leading to possible misdiagnosis. We investigated whether the proportion of patients with diagnostic spirometry has increased over time as well as factors associated with omitted or incorrectly interpreted spirometry. Data from medical reviews and a questionnaire from primary and secondary care patients with a doctors' diagnosis of COPD between 2004 and 2010 were collected. Data were compared with a COPD cohort diagnosed between 2000 and 2003. Among 703 patients with a first diagnosis of COPD between 2004 and 2010, 88% had a diagnostic spirometry, compared with 59% (p < 0.001) in the previous cohort. Factors associated with not having diagnostic spirometry were current smoking (OR 2.21; 95% CI 1.36-3.60), low educational level (OR 1.81; 1.09-3.02) and management in primary care (OR 2.28; 1.02-5.14). The correct interpretation of spirometry results increased (75% vs 82%; p = 0.010). Among patients with a repeated spirometry, 94% had a persistent FEV/FVC or FEV/VC ratio <0.70.
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|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10235108 | PMC |
| http://dx.doi.org/10.1038/s41533-023-00345-8 | DOI Listing |
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