Related Experiment Videos
Anterior leaflet augmentation for ischemic mitral regurgitation
Edward H Kincaid1, Robert D Riley, Michael H Hines
1Department of Cardiothoracic Surgery, Wake Forest University School of Medicine, Medical Center Boulevard, Winston-Salem, NC 27157, USA. tkincaid@wfubmc.edu
The Annals of Thoracic Surgery
|July 28, 2004
Summary
This study presents a simple mitral valve repair technique for ischemic mitral regurgitation (MR), showing promising early results in improving valve function and patient outcomes.
Area of Science:
- Cardiovascular Surgery
- Cardiac Valve Repair
- Medical Devices
Background:
- Ischemic mitral regurgitation (MR) negatively impacts survival and quality of life.
- Current mitral valve repair methods for ischemic MR have limitations, with no universally adopted ideal technique.
- Addressing leaflet tethering is crucial for effective ischemic MR repair.
Purpose of the Study:
- To describe a straightforward technique for repairing ischemic MR by addressing leaflet tethering.
- To report the early clinical outcomes of this novel mitral valve repair method.
Main Methods:
- The technique involves pericardial patch enlargement of the anterior mitral leaflet and implantation of a flexible annuloplasty band.
- Patients with ischemic cardiomyopathy and moderate-to-severe Carpentier type IIIb MR were included.
- Serial echocardiography was used for patient follow-up.
Main Results:
- Twenty-five patients underwent the repair between January 2002 and November 2003.
- Immediate post-repair echocardiography showed no or trace MR in 80% and mild MR in 20% of patients.
- At 2 years, actuarial freedom from moderate or greater MR was 81%.
Conclusions:
- Anterior leaflet augmentation is a simple, reproducible mitral valve repair for ischemic MR.
- This technique effectively addresses the pathophysiology of tethered leaflets.
- Early results in this patient cohort are encouraging.