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The Impact of Chronic Lung Disease in MI

The Impact of Chronic Lung Disease in MI

Chronic lung disease (CLD)—including COPD, chronic bronchitis, and emphysema—is common, presenting in approximately one in seven patients presenting with myocardial infarction (MI). Patients with CLD are more likely to die or be hospitalized from cardiovascular disease than from any other disease. Despite this knowledge, few studies have explored the influence of CLD on patient management and outcomes following MI. Gaining a better understanding of this relationship could lead to opportunities for improving quality of care and outcomes for CLD patients. Treatments & Mortality for Chronic Lung Disease In a study published in the American Heart Journal, my colleagues and I utilized the National Cardiovascular Data Registry to determine the association of CLD with treatments and adverse events after MI. Our results showed that CLD patients presenting with non-STEMI had a 20% increased risk for in-hospital death when compared with those who did not have CLD. No such link, however, was found among CLD patients with STEMI. In addition, CLD patients with non-STEMI were markedly less likely to receive invasive procedures, such as cardiac catheterization, PCI, or CABG surgery. They were also slightly less likely to receive evidence-based medical therapies, including thienopyridines, β-blockers, and statins. Conversely, differences in treatment of STEMI patients with CLD were not clinically significant, according to findings in our investigation. Taking a Closer Look at Bleeding Risks This is also the first study to our knowledge indicating that, independent of other factors, CLD patients had a 20% to 25% higher risk of bleeding when compared with those without CLD. Major bleeding is one of the most common in-hospital complications following acute coronary syndromes and is associated...
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