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[Mitral valve repair in ischemic cardiomyopathy with severe left ventricular dysfunction]
1Dept. of Cardiothoracic Surgery, Shaare Zedek Medical Center, Jerusalem.
Harefuah
|July 7, 2000
Summary
Mitral valve repair for ischemic mitral insufficiency in patients with poor left ventricular function offers good outcomes. This approach is preferable to valve replacement, showing significant symptomatic improvement post-surgery.
Area of Science:
- Cardiology
- Cardiac Surgery
- Heart Valve Disease
Context:
- Ischemic mitral insufficiency (IMI) poses significant risks for patients with impaired left ventricular (LV) function.
- High-risk patients often present with reduced LV function and advanced New York Heart Association (NYHA) functional classes.
Purpose:
- To evaluate the safety and efficacy of mitral valve repair in patients with IMI and severely reduced LV function.
- To compare mitral valve repair with mitral valve replacement in this high-risk cohort.
Summary:
- A study of 101 patients with IMI and poor LV function undergoing mitral valve repair alongside coronary artery bypass grafting (CABG).
- No early operative mortality was observed; 2 late deaths (9.6%) occurred. At 3-36 months follow-up, all repaired valves functioned normally.
- Significant symptomatic improvement was noted, with most patients improving to NYHA Class I or II.
Impact:
- Mitral valve repair is a viable and effective option for IMI in patients with severe LV dysfunction.
- This surgical strategy demonstrates favorable long-term outcomes and symptomatic relief, suggesting it is preferable to valve replacement.
- The findings support the consideration of mitral valve repair for high-risk patients with IMI and compromised LV function.