Effects of Short-term High Dose Atorvastatin on Left Ventricular Remodeling in Patients with First Time Attack of

Zhi-Jian Liu1, Gao-Pin Hu1, Mei-Ying Fei1

  • 1Department of Cardiology, the 210th Hospital of People's Liberation Army, Dalian, Liaoning 116021, China.

Insights

Short-term high-dose atorvastatin therapy for acute anterior myocardial infarction (AAMI) reduced inflammatory markers like hs-CRP, ET-1, and MMP-9. However, this intensive treatment did not significantly improve left ventricular remodeling compared to standard dosing.

Area of Science:

  • Cardiology
  • Pharmacology
  • Biochemistry

Background:

  • Acute anterior myocardial infarction (AAMI) is a critical cardiovascular event.
  • Inflammatory markers and ventricular remodeling are key indicators of AAMI prognosis.
  • Atorvastatin is a widely used statin for cardiovascular disease management.

Purpose of the Study:

  • To evaluate the impact of short-term high-dose atorvastatin on inflammatory markers and left ventricular (LV) remodeling in AAMI patients.
  • To compare intensive treatment (40mg then 20mg) versus standard treatment (20mg) of atorvastatin.

Main Methods:

  • 103 AAMI patients undergoing percutaneous coronary intervention were randomized into intensive (IT) and standard (ST) atorvastatin groups.
  • Plasma levels of hs-CRP, MDA, ET-1, MMP-2, and MMP-9 were measured at baseline and follow-up points.
  • Echocardiography assessed LV remodeling (LVEDV, LVESV, LVEF) at baseline, 2 weeks, and 1 year.

Main Results:

  • The IT group showed significantly lower levels of hs-CRP, ET-1, MMP-9, and pro-BNP at 1 week post-AAMI compared to the ST group.
  • No significant differences were observed in the changes of LVEDV, LVESV, and LVEF at 1-year follow-up between the IT and ST groups.
  • Malondialdehyde (MDA) levels were also measured but not explicitly detailed in the provided results summary.

Conclusions:

  • Short-term high-dose atorvastatin therapy in AAMI patients leads to a reduction in specific inflammatory markers and endothelin-1.
  • The observed reduction in inflammatory markers with intensive atorvastatin treatment does not translate to improved left ventricular remodeling at one year.
  • Further research may be needed to elucidate the long-term clinical implications of these findings.

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