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Prognostic implications of calculated Apo-lipoprotein B in patients with ST-segment elevation myocardial infarction

Saeed Ghodsi1, Mehrnaz Mohebi1, Seyed-Ali Sadre-Bafghi1

  • 1Research department, Tehran Heart Center, Tehran University of Medical Sciences, Tehran, Iran.

Clinical Cardiology
|May 4, 2021
PubMed

Insights

Apolipoprotein B (Apo-B) effectively predicts cardiovascular events in ST-segment elevation myocardial infarction (STEMI) patients undergoing primary PCI. This simple calculated Apo-B metric surpasses LDL-C and Non-HDLC in prognostic utility for STEMI patients.

Area of Science:

  • Cardiology
  • Lipidology
  • Cardiovascular Risk Assessment

Background:

  • Debates persist regarding the role of lipoproteins, including Apolipoprotein B (Apo-B), in managing coronary artery disease (CAD).
  • Apo-B may offer incremental prognostic value in acute ST-segment elevation myocardial infarction (STEMI).

Purpose of the Study:

  • To evaluate the prognostic utility of calculated Apo-B in STEMI patients treated with primary percutaneous coronary intervention (PCI).

Main Methods:

  • Retrospective cohort study of 2,259 STEMI patients undergoing primary PCI.
  • Apo-B calculated using established equations from initial lipid measurements.
  • High Apo-B defined as ≥65; primary endpoint was major adverse cardiovascular events (MACE).

Main Results:

  • High Apo-B levels (≥65) were significantly associated with MACE (OR: 3.02; 95% CI: 1.07-8.47; p=0.036).
  • Apo-B did not predict suboptimal TIMI flow (OR: 0.56; 95% CI: 0.17-1.87; p=0.349).
  • LDL-C and Non-HDLC showed weaker predictive power for MACE compared to Apo-B.

Conclusions:

  • Calculated Apo-B is a simple and effective tool for predicting cardiovascular events in STEMI patients.
  • Apo-B demonstrates superior prognostic capability for MACE compared to LDL-C and Non-HDLC in this cohort.
Abstract

Keywords:
Apo-BMACESTEMIlipoproteinsprimary PCIrevascularizationsurvival

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