The association between recent hospitalized COPD exacerbations and adverse outcomes after percutaneous coronary intervention: A nationwide cohort study

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Abstract

Purpose: COPD is associated with coronary artery disease, and exacerbations are major events in COPD. However, the impact of recent hospitalized exacerbations on outcomes of percutaneous coronary intervention (PCI) remains underdetermined. Patients and methods: Using the National Health Insurance Research Database of Taiwan, we identified 215,275 adult patients who underwent first-time PCI between 2000 and 2012. Among these patients, 15,485 patients had COPD. The risks of hospital mortality, overall mortality, and adverse cardiovascular outcomes after PCI (ie, ischemic events, repeat revascularization, cerebrovascular events, and major adverse cardiac and cerebrovascular events [MACCEs]) in relation to COPD, and the frequency and timing of recent hospitalized exacerbations within 1 year before PCI were estimated. Results: COPD was independently associated with increased risks of hospital mortality, overall mortality, ischemic events, cerebrovascular events, and MACCE during follow-up after PCI. Among cerebrovascular events, ischemic rather than hemorrhagic stroke was more likely to occur. In COPD patients, recent hospitalized exacerbations further increased the risks of overall mortality, ischemic events, and MACCE following PCI. Notably, patients with more frequent or more recent hospitalized exacerbations had a trend toward higher risks of these adverse events (all P-values for trend <0.0001), especially those with ≥2 exacerbations within 1 year or any exacerbation within 1 month before PCI. Conclusion: Integrated care is urgently needed to alleviate COPD-related morbidity and mortality after PCI, especially for patients with a recent hospitalized exacerbation.

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Lin, W. C., Chen, C. W., Lu, C. L., Lai, W. W., Huang, M. H., Tsai, L. M., … Lai, C. H. (2019). The association between recent hospitalized COPD exacerbations and adverse outcomes after percutaneous coronary intervention: A nationwide cohort study. International Journal of COPD, 14, 169–179. https://doi.org/10.2147/COPD.S187345

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