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Post-Myocardial Infarction Heart Failure in Closed-chest Coronary Occlusion/Reperfusion Model in Göttingen Minipigs and Landrace Pigs
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Myocardial ischemia and coronary disease in heart failure

Beniamino R Pagliaro1, Francesco Cannata1,2, Giulio G Stefanini3,4

  • 1Cardio Center, Humanitas Clinical and Research Center - IRCCS, Rozzano, Milan, Italy.

Heart Failure Reviews
|July 24, 2019
PubMed

Insights

Coronary artery disease is a major cause of heart failure, often involving myocardial ischemia due to coronary circulation issues. Understanding these mechanisms is key to improving patient outcomes.

Area of Science:

  • Cardiology
  • Pathophysiology

Background:

  • Heart failure is a complex syndrome, frequently resulting from coronary artery disease (CAD).
  • CAD is the primary etiological factor in over 50% of heart failure cases in North America and Europe.
  • Myocardial ischemia is common in heart failure, even without overt CAD, due to coronary circulation alterations.

Purpose of the Study:

  • To elucidate the mechanisms of myocardial ischemia and CAD in heart failure.
  • To focus on coronary circulation dysfunctions, including those from increased parietal stress or non-obstructive CAD.
  • To discuss the association and management strategies for CAD in heart failure patients.

Main Methods:

  • This review synthesizes existing literature on heart failure, CAD, and myocardial ischemia.
  • It analyzes the pathophysiology of coronary circulation in the context of heart failure.
  • The review discusses clinical associations and management approaches.

Main Results:

  • Coronary artery disease is a leading cause of heart failure.
  • Myocardial ischemia, driven by altered coronary circulation, significantly impairs cardiac function and prognosis.
  • Non-obstructive CAD and increased parietal stress contribute to ischemia in heart failure.

Conclusions:

  • A comprehensive understanding of myocardial ischemia and CAD mechanisms in heart failure is crucial.
  • Improved insights can lead to better therapeutic strategies and patient outcomes.
  • Effective management of CAD is integral to treating heart failure.

Keywords:
Coronary artery diseaseHeart failureMicrovascular dysfunctionMyocardial ischemiaWall stress

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