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Background <p>Statins are associated with liver-related adverse events, with risk varying by statin type. However, current guidelines lack specific recommendations for statin selection in acute myocardial infarction (AMI) patients with elevated liver enzymes.</p> Methods <p>This cohort study used a target trial emulation approach to include AMI patients treated with percutaneous coronary intervention between 2013 and 2022 from the Tianjin Health and Medical Data Platform, China. Eligible patients with atorvastatin or rosuvastatin prescriptions during hospitalization were matched 1:1 using propensity scores in those with elevated liver enzymes and normal liver enzymes respectively, and tracked for 1&#xa0;year or until death (intention-to-treat analysis). Nonadherent patients were censored in the per-protocol analysis. The primary outcome was 1-year all-cause mortality, with secondary outcomes including recurrent MI and stroke.</p> Results <p>In a matched cohort of 25,728 patients with elevated liver enzymes, 614 deaths (2.4%) occurred. Atorvastatin was associated with higher all-cause mortality compared to rosuvastatin (hazard ratio [HR]: 1.29, 95% confidence interval [CI] 1.10–1.51), consistent in the per-protocol analysis, and the in-hospital mortality difference was confirmed in an independent cohort. No significant differences were observed for recurrent MI (HR: 0.98, 95% CI 0.87–1.11) or stroke (HR: 1.10, 95% CI 0.93–1.28). Similar target trial emulation design among 18,270 AMI patients with normal liver enzymes at admission (9135 per group) found no significant differences between the two statins in all-cause mortality (HR: 1.09, 95% CI 0.88–1.35), recurrent MI (HR: 1.05, 95% CI 0.90–1.23), or stroke (HR: 1.07, 95% CI 0.90–1.28).</p> Conclusions <p>Atorvastatin treatment was associated with a&#xa0;higher risk of&#xa0;1-year all-cause mortality than Rosuvastatin in a target trial emulation study of patients with elevated liver enzymes following AMI.</p> Graphical abstract <p>A target trial emulation of atorvastatin versus rosuvastatin in acute myocardial infarction</p> <p></p>

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Atorvastatin versus rosuvastatin in acute myocardial infarction with elevated liver enzymes: a target trial emulation study

  • 期刊论文

  • 发表日期：

    2025年4月10日

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  • Xiaozhi Chen,
  • Hangkuan Liu,
  • Linjie Li,
  • Geru A,
  • Pengfei Sun,
  • Doreen Su-Yin Tan,
  • Mark Yan-Yee Chan,
  • Roger Sik-Yin Foo,
  • Gregg C. Fonarow,
  • Qing Yang,
  • Xin Zhou

摘要

Background

Statins are associated with liver-related adverse events, with risk varying by statin type. However, current guidelines lack specific recommendations for statin selection in acute myocardial infarction (AMI) patients with elevated liver enzymes.

Methods

This cohort study used a target trial emulation approach to include AMI patients treated with percutaneous coronary intervention between 2013 and 2022 from the Tianjin Health and Medical Data Platform, China. Eligible patients with atorvastatin or rosuvastatin prescriptions during hospitalization were matched 1:1 using propensity scores in those with elevated liver enzymes and normal liver enzymes respectively, and tracked for 1 year or until death (intention-to-treat analysis). Nonadherent patients were censored in the per-protocol analysis. The primary outcome was 1-year all-cause mortality, with secondary outcomes including recurrent MI and stroke.

Results

In a matched cohort of 25,728 patients with elevated liver enzymes, 614 deaths (2.4%) occurred. Atorvastatin was associated with higher all-cause mortality compared to rosuvastatin (hazard ratio [HR]: 1.29, 95% confidence interval [CI] 1.10–1.51), consistent in the per-protocol analysis, and the in-hospital mortality difference was confirmed in an independent cohort. No significant differences were observed for recurrent MI (HR: 0.98, 95% CI 0.87–1.11) or stroke (HR: 1.10, 95% CI 0.93–1.28). Similar target trial emulation design among 18,270 AMI patients with normal liver enzymes at admission (9135 per group) found no significant differences between the two statins in all-cause mortality (HR: 1.09, 95% CI 0.88–1.35), recurrent MI (HR: 1.05, 95% CI 0.90–1.23), or stroke (HR: 1.07, 95% CI 0.90–1.28).

Conclusions

Atorvastatin treatment was associated with a higher risk of 1-year all-cause mortality than Rosuvastatin in a target trial emulation study of patients with elevated liver enzymes following AMI.

Graphical abstract

A target trial emulation of atorvastatin versus rosuvastatin in acute myocardial infarction