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The The Impact of Surgical Revascularization on Cardiac Function and Mitral Regurgitation in Patients with Coronary

Hani Mufti1, Mouaz Bamsallm2, Abdulaziz Almalki3

  • 1Department of Cardiac Sciences, King Abdulaziz Medical City, Ministry of National Guard Health Affairs, Jeddah, Saudi Arabia. drhanimufti@yahoo.com.

The Heart Surgery Forum
|January 5, 2023
PubMed

Insights

Coronary artery bypass grafting (CABG) surgery can improve left ventricular ejection fraction (LVEF) and ischemic mitral regurgitation (IMR) without direct mitral valve intervention. This study shows CABG is safe and effective for improving cardiac function in patients with coronary artery disease.

Area of Science:

  • Cardiology
  • Cardiac Surgery
  • Echocardiography

Background:

  • Ischemic heart disease is a leading global cause of mortality.
  • Coronary artery bypass grafting (CABG) is the most common cardiac surgical procedure.
  • CABG may positively impact left ventricular ejection fraction (LVEF) and ischemic mitral regurgitation (IMR).

Purpose of the Study:

  • To evaluate the effects of CABG on LVEF and IMR.
  • To assess changes in cardiac function and mitral regurgitation post-CABG in a specific patient population.

Main Methods:

  • Retrospective review of 298 patients undergoing isolated CABG.
  • Analysis of pre- and postoperative echocardiography data.
  • Evaluation of changes in LVEF and IMR.

Main Results:

  • No significant change in LVEF post-CABG (median 51% pre-op vs. 50.3-53.1% post-op).
  • No progression to severe IMR; only 2.7% developed moderate-to-severe MR.
  • Low in-hospital mortality rate of 0.7%.

Conclusions:

  • CABG alone is sufficient for patients with moderate IMR and coronary artery disease.
  • CABG does not worsen LVEF or IMR progression.
  • Complete revascularization may aid ventricular recovery and improve IMR.
Abstract

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