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A Beating Heart is a Happy Heart, Especially in Patients with Left Ventricular Dysfunction Undergoing Coronary Artery

Meghana R K Helder1, Jong Kim1

  • 1Department of Cardiothoracic Surgery, Metropolitan Heart and Vascular Institute, Coon Rapids, Minnesota.

Seminars in Thoracic and Cardiovascular Surgery
|January 23, 2025
PubMed

Insights

Beating-heart coronary artery bypass grafting (CABG) offers advantages for patients with left ventricular (LV) dysfunction by minimizing heart muscle injury. This technique also reduces the need for mechanical support, lowering complications and costs.

Area of Science:

  • Cardiovascular Surgery
  • Cardiac Anesthesia
  • Myocardial Protection

Background:

  • Coronary artery bypass grafting (CABG) is a standard treatment for coronary artery disease.
  • Left ventricular (LV) dysfunction poses challenges during cardiac surgery, increasing risks associated with cardioplegic arrest.
  • Beating-heart CABG aims to mitigate myocardial injury compared to traditional arrested-heart procedures.

Purpose of the Study:

  • To evaluate the efficacy and benefits of beating-heart CABG in patients with LV dysfunction.
  • To compare beating-heart CABG with traditional arrested-heart CABG in this patient population.

Main Methods:

  • Comparison of beating-heart CABG versus arrested-heart CABG.
  • Assessment of myocardial injury, revascularization completeness, and need for mechanical support.
  • Analysis of intraoperative and postoperative outcomes.

Main Results:

  • Beating-heart CABG limits myocardial injury compared to cardioplegic arrest.
  • Complete revascularization is achievable with comparable graft numbers.
  • Reduced need for intraoperative and postoperative mechanical support was observed.

Conclusions:

  • Beating-heart CABG is a viable and potentially superior option for patients with LV dysfunction.
  • This approach may decrease complications and healthcare costs associated with mechanical circulatory support.

Keywords:
beating-heartcoronary artery bypass graftingcoronary artery diseaseleft ventricular dysfunction

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