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The Evolving Paradigm of Revascularization in Ischemic Cardiomyopathy: from Recovery of Systolic Function to

Ameesh Isath1, Julio A Panza2,3

  • 1Department of Cardiology, Westchester Medical Center, 100 Woods Rd, Valhalla, NY, USA.

Current Cardiology Reports
|October 24, 2023
PubMed

Insights

Reevaluating myocardial viability assessment is crucial for optimizing treatment in ischemic cardiomyopathy (ICM). A shift towards a comprehensive understanding of ICM pathophysiology and revascularization benefits is needed for better patient selection.

Area of Science:

  • Cardiology
  • Cardiovascular Medicine
  • Interventional Cardiology

Background:

  • Myocardial viability assessment traditionally guides revascularization decisions in ischemic cardiomyopathy (ICM).
  • Previous retrospective studies suggested viability predicts revascularization benefits, influencing patient selection.
  • Recent prospective trials present divergent findings, challenging traditional approaches.

Purpose of the Study:

  • To reevaluate the role of myocardial viability assessment in guiding treatment strategies for ICM.
  • To align treatment decisions with a contemporary understanding of revascularization's benefits in ICM.
  • To explore a more nuanced approach beyond traditional binary viability assessment.

Main Methods:

  • Review of contemporary data and prospective trials on myocardial viability in ICM.
  • Analysis of the mechanism of benefit from revascularization in ICM.
  • Conceptual reevaluation of traditional viability assessment paradigms.

Main Results:

  • Traditional binary viability assessment may oversimplify the complexity of ICM.
  • Prospective trial data suggest a divergence from earlier retrospective findings.
  • A paradigm shift is needed from dichotomous viability assessment to a comprehensive approach.

Conclusions:

  • Current viability assessment methods may not fully capture the benefits of revascularization in ICM.
  • A deeper understanding of ICM pathophysiology and revascularization's effects is required.
  • Future strategies should integrate a broader understanding of ICM for optimal patient management.
Abstract

Keywords:
Heart failureHibernationIschemic cardiomyopathyRevascularizationSTICHViability

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