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Optimizing Revascularization in Ischemic Cardiomyopathy: Comparative Evidence on the Benefits and Indications of CABG

Dan M Prunea1, Calin Homorodean1,2, Maria Olinic1,2

  • 1Medical Clinic No. 1, "Iuliu Hatieganu" University of Medicine and Pharmacy, 400006 Cluj-Napoca, Romania.

Life (Basel, Switzerland)
|April 26, 2025
PubMed

Insights

Coronary revascularization for ischemic cardiomyopathy is complex. Coronary artery bypass grafting improves survival, while percutaneous coronary intervention enhances quality of life, guiding individualized treatment decisions.

Area of Science:

  • Cardiology
  • Cardiac Surgery
  • Interventional Cardiology

Background:

  • Ischemic cardiomyopathy is a primary cause of heart failure.
  • Optimal revascularization strategies for patients with reduced left ventricular function remain unclear.
  • Evidence synthesis is needed for coronary artery bypass grafting (CABG) versus percutaneous coronary intervention (PCI).

Purpose of the Study:

  • To review current evidence on coronary revascularization strategies for ischemic cardiomyopathy.
  • To evaluate the benefits and limitations of CABG and PCI.
  • To propose an algorithm for guiding revascularization decisions.

Main Methods:

  • Systematic review of current evidence.
  • Critical evaluation of STICH and REVIVED-BCIS2 trial findings.
  • Emphasis on advanced imaging and risk stratification.

Main Results:

  • CABG improves long-term survival, especially in extensive multivessel disease (STICH trial).
  • PCI enhances quality of life but shows no significant mortality benefit over optimal medical therapy (REVIVED-BCIS2 trial).
  • PCI offers symptom relief for high-risk patients unsuitable for CABG.

Conclusions:

  • Revascularization decisions require individualized assessment, considering patient-specific factors and treatment goals.
  • Advanced imaging and risk stratification are crucial for optimizing outcomes.
  • A multidisciplinary Heart Team approach is essential for tailoring revascularization strategies.

Keywords:
REVIVEDSTICHcoronary artery bypass graftingheart failureischemic cardiomyopathyleft ventricular dysfunctionmyocardial revascularizationmyocardial viabilitypercutaneous coronary intervention

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