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Updated: Jun 21, 2026
08:12
Fully Endoscopic Mitral Valve Repair with Percutaneous Cannulation of Groin Vessels
Published on: May 26, 2023
Left ventricular reconstruction with or without mitral annuloplasty.
Tetsuya Ueno1, Ryuzo Sakata, Yoshifumi Iguro
1Department of Cardiovascular Surgery, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima, Japan.
Summary
Left ventricular reconstruction (LVR) with mitral annuloplasty (MAP) is suitable for patients with severe postinfarction ventricular remodeling. Preoperative enlarged left ventricular volume and renal dysfunction are risk factors for mortality after LVR.
Area of Science:
- Cardiovascular Surgery
- Cardiac Remodeling
- Heart Failure Management
Background:
- Postinfarction ventricular remodeling is a significant cause of heart failure.
- Left ventricular reconstruction (LVR) aims to improve cardiac function in these patients.
- The role of concomitant mitral annuloplasty (MAP) in LVR is not fully elucidated.
Purpose of the Study:
- To characterize patients undergoing LVR with or without MAP for postinfarction ventricular remodeling.
- To identify preoperative factors associated with mortality after LVR procedures.
Main Methods:
- Retrospective analysis of 47 patients undergoing LVR, with or without MAP.
- Echocardiographic parameters (LV dimensions, volumes, LVEF) were assessed preoperatively and postoperatively.
- Perioperative factors contributing to mortality, including congestive heart failure (CHF) deaths, were analyzed.
Main Results:
- Patients receiving LVR with MAP (LVRM group) presented with larger LV dimensions, higher volumes, and lower LVEF preoperatively.
- All deaths occurred within one year post-surgery.
- Elevated LV end-diastolic volume (>110 ml/m2) and creatinine (>1.2 mg/dl) were significant predictors of all-cause mortality and CHF deaths, respectively.
Conclusions:
- Ischemic mitral regurgitation with LV dilatation necessitates aggressive surgical intervention, particularly in patients with impaired LV function.
- Intensive postoperative management is crucial for patients with enlarged hearts and renal dysfunction undergoing LVR.
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