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Effects of statin response on cardiovascular outcomes in patients with ST-segment elevation myocardial infarction

Mehmet Bülent Vatan1, Perihan Varım1, Suret Ağaç2

  • 1Sakarya University Training and Research Hospital, Department of Cardiology - Sakarya, Turkey.

Revista Da Associacao Medica Brasileira (1992)
|September 22, 2022
PubMed

Insights

Many ST-segment elevation myocardial infarction patients show suboptimal response to statin therapy, increasing their risk of major adverse cardiovascular events. This highlights the need for monitoring statin effectiveness in preventing heart attacks.

Area of Science:

  • Cardiology
  • Pharmacology
  • Public Health

Background:

  • ST-segment elevation myocardial infarction (STEMI) is a critical cardiovascular event.
  • Statins are primary therapy for lipid management post-STEMI.
  • Suboptimal response to statins can impact long-term outcomes.

Purpose of the Study:

  • To assess the impact of statin response on cardiovascular outcomes in STEMI patients.
  • To identify the proportion of STEMI patients with suboptimal low-density lipoprotein cholesterol (LDL-C) response.
  • To evaluate cardiovascular event risk associated with suboptimal statin response.

Main Methods:

  • 1029 STEMI patients were analyzed.
  • Suboptimal responders were defined as those with <40% LDL-C reduction within 12 months.
  • Cox regression models estimated hazard ratios for cardiovascular outcomes.

Main Results:

  • Over half (55.6%) of STEMI patients were suboptimal statin responders.
  • Suboptimal responders had a significantly higher risk of major adverse cardiovascular events (aHR 3.99).
  • Even with LDL-C <55 mg/dL, suboptimal responders faced increased risk (aHR 8.73).

Conclusions:

  • A significant proportion of STEMI patients exhibit suboptimal LDL-C response to statins.
  • Suboptimal statin response is linked to a substantially increased risk of major adverse cardiovascular events.
  • Monitoring statin efficacy is crucial for improving cardiovascular outcomes in STEMI survivors.
Abstract

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