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[Initial results of left ventricular remodelling operations]
Rimantas Benetis1, Loreta Jankauskiene, Jolanta Vaskelyte
1Clinic of Cardiac Surgery, Kaunas University of Medicine Hospital, Eiveniu 2, 3007 Kaunas, Lithuania.
Medicina (Kaunas, Lithuania)
|February 1, 2003
Summary
This study evaluated left ventricular remodeling and coronary artery bypass grafting (CABG) in 47 patients. While improving functional status, the combined operations showed high mortality and limited morphometric correction.
Area of Science:
- Cardiology
- Cardiac Surgery
- Cardiovascular Research
Background:
- Left ventricular aneurysm and geometry restoration are critical in managing heart failure.
- Coronary artery bypass grafting (CABG) combined with surgical remodeling aims to improve left ventricular function.
Purpose of the Study:
- To evaluate the initial outcomes of combined left ventricular (LV) remodeling and CABG operations.
- To assess changes in functional class, echocardiographic parameters, and mortality rates.
Main Methods:
- Retrospective analysis of 47 patients undergoing LV geometry and volume restoration with CABG (1996-2002).
- Procedures included aneurysmectomy, patch plasty, circular suture, or reinforcement.
- Data collected: clinical status, NYHA class, echocardiography (LV dimensions, ejection fraction, mitral regurgitation), and mortality.
Main Results:
- Significant improvement in NYHA functional class (3.5 to 2.8) and mitral regurgitation (grade 2.5 to 1.4) post-surgery.
- High hospital mortality (25.5%) and late mortality (22.2%).
- LV morphometric parameters showed no significant early improvement; late diameters tended to increase.
Conclusions:
- Combined LV surgical remodeling and CABG can improve patient functional status and diastolic function.
- However, the high hospital mortality and limited LV morphometric correction indicate suboptimal outcomes.
- Further research is needed to refine these combined cardiac operations.