Journal
BMC CARDIOVASCULAR DISORDERS
Volume 19, Issue -, Pages -Publisher
BMC
DOI: 10.1186/s12872-019-1062-y
Keywords
Secondary prevention; Myocardial infarction; Risk factors
Categories
Funding
- South-Eastern Norway Regional Health Authority, Hamar, Norway
- Sorlandet Hospital HF, Arendal, Norway
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Background: Patients with established coronary artery disease (CAD) have an increased risk of new cardiovascular events. An underuse of secondary preventive drugs has been observed, and many patients may not attain the treatment goals for secondary prevention. The aims of the present nationwide register-based cohort study were to assess the degree of risk factor control and long-term outcomes in patients < 80 years with Type 1 myocardial infarction (MI) with and without prior CAD. Methods: Data concerning all patients with MI admitted to hospitals in Norway from 2013 to 2016 were retrieved from the Norwegian Myocardial Infarction Register (NORMI). Long-term mortality was obtained through linkage with the Norwegian Cause of Death Registry. Results: In total, 47,204 patients were registered in the NORMI from 2013 to 2016. Prior CAD was recorded in 7219 (25.2%) of the 28,607 patients < 80 years old with Type 1 Mls. On average, 3 of the 6 defined treatment targets for secondary preventive therapy were attained, and only 1% of the patients achieved all targets. Patients with MI and prior CAD had increased risk of death or new MI compared to patients without prior CAD during long-term followup (adjusted HR 1.6, 95% CI 1.5-1.7). Conclusions: Prior CAD was frequent in patients with acute MI. The attainment of secondary preventive treatment targets in patients with MI and prior CAD was not optimal, and the long-term outcomes were reduced compared to patients without prior CAD. Increased efforts to improve risk factor control are needed.
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