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Published on: February 11, 2022
Beating heart valve surgery in patients with low left ventricular ejection fraction
Francisco Igor B Macedo1, Enisa M Carvalho, Mohammed Hassan
1Division of Cardiothoracic Surgery, University of Miami Miller School of Medicine and Jackson Memorial Hospital, Miami, Florida 33136, USA.
Journal of Cardiac Surgery
|March 6, 2010
Summary
Beating heart valve surgery offers comparable outcomes to conventional methods for patients with very low left ventricular ejection fraction (LVEF). This approach demonstrates safety and efficacy in high-risk surgical candidates.
Area of Science:
- Cardiovascular Surgery
- Cardiac Anesthesia
- Heart Valve Disease
Background:
- Patients with severely reduced left ventricular ejection fraction (LVEF) face elevated risks during valve surgery.
- This study details the experience with beating heart valve surgery in this vulnerable patient cohort.
Purpose of the Study:
- To evaluate the safety and efficacy of beating heart valve surgery in patients with very low left ventricular ejection fraction (LVEF).
- To compare outcomes of beating heart valve surgery with conventional cardioplegia-based techniques in high-risk patients.
Main Methods:
- A consecutive series of 346 patients underwent beating heart valve surgery from May 2000 to October 2006.
- Fifty patients with LVEF <30% (including LVEF <10% in 9 patients) were analyzed.
- Procedures included isolated valve replacements, combined coronary artery bypass grafting and valve surgery, and valve repairs.
Main Results:
- The study included 50 high-risk patients (mean age 57.4 years, 80% male).
- Procedures involved mitral and aortic valve replacements, combined CABG and valve surgery, and mitral/tricuspid valve repairs.
- Overall early mortality was 6%, with a late mortality of 2%.
Conclusions:
- Beating heart valve surgery in patients with poor LVEF achieves results comparable to conventional surgery.
- Further research is warranted to fully ascertain the benefits of beating heart valve surgery for this high-risk population.
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