Efficacy and Safety of High-intensity Statins in Patients With Acute Myocardial Infarction: An Asian Perspective

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Background: The 2013 American College of Cardiology/American Heart Association cholesterol guideline recommends high-intensity statin (HIS) in patients with atherosclerotic cardiovascular disease, but little is known about the efficacy and safety of HIS in Asian ethnicity. We assessed the effects of HIS in Taiwanese with acute myocardial infarction (AMI). Methods: Consecutive patients admitted for new AMI between January 2010 and December 2013 without prior statin use were enrolled from the Taiwan National Health Insurance Research Database. Patients were grouped based on the intensity of statin they took after discharge. The primary endpoint was the composite outcome of all-cause mortality, recurrent myocardial infarction, and stroke. We also compared the incidences of severe hepatitis and myopathy that need admission between HIS and non-HIS groups. We used propensity score analysis to match covariates between groups and Cox proportional hazards models with adjustment to estimate the risks of clinical outcomes. Results: After 1:4 propensity score match, there were 4402 patients in the HIS group and 17,608 patients in the non-HIS group. After follow-up for 3 years, 668 patients (15.2%) in the HIS group and 2749 (15.6%) in the non-HIS group had the primary composite endpoint. Cox proportional-hazards analyses showed that HIS did not further reduce composite endpoint (adjusted hazard ratio, 0.975; 95% confidence interval, 0.896-1.062); however, HIS patients had a lower risk of ischemic stroke at 3-year follow-up. Regarding safety, HIS did not increase hospitalization rates for severe hepatitis and myopathy. Conclusions: Patients with AMI in Taiwan with HIS had similar clinical outcomes to those with non-HIS. Using HIS for the effective reduction of low-density lipoprotein cholesterol is safe in Taiwan.

Original languageEnglish
Pages (from-to)886-892
Number of pages7
JournalCanadian Journal of Cardiology
Issue number6
Publication statusPublished - 2020 Jun

All Science Journal Classification (ASJC) codes

  • Cardiology and Cardiovascular Medicine


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