Related Experiment Videos
Functional results of left ventricular reconstruction
1Division of Thoracic and Cardiovascular Surgery, L. Sacco Hospital, Milano, Italy.
The Annals of Thoracic Surgery
|August 1, 1993
Summary
Endoventriculoplasty with a circular patch improved cardiac function and survival in patients with left ventricular aneurysm. This surgical procedure enhanced ejection fraction and reduced ventricular pressure, leading to better heart performance.
Area of Science:
- Cardiovascular Surgery
- Cardiac Surgery
- Heart Aneurysm Treatment
Background:
- Left ventricular aneurysm (LVA) poses significant risks, including heart failure and arrhythmias.
- Surgical intervention is often necessary to manage LVA and improve cardiac function.
- Preserving left ventricular geometry is crucial for optimal cardiac performance post-surgery.
Purpose of the Study:
- To evaluate the efficacy of endoventriculoplasty with a circular patch in patients with left ventricular aneurysm.
- To assess the impact of this procedure on cardiac performance, survival rates, and long-term complications.
- To identify factors influencing successful outcomes after endoventriculoplasty.
Main Methods:
- A cohort of 48 patients with left ventricular aneurysm underwent endoventriculoplasty using a circular patch between 1988 and 1991.
- Concomitant myocardial revascularization was performed in 98% of patients, with bypass of the left anterior descending coronary artery in 77%.
- Cardiac performance was assessed using ventriculography, analyzing global ejection fraction, left ventricular end-diastolic pressure, and regional contraction patterns.
Main Results:
- The overall operative mortality rate was 4.1%, with a 3-year survival rate of 91%.
- Postoperative assessment showed a significant increase in global ejection fraction (0.39 to 0.57) and a decrease in left ventricular end-diastolic pressure (20 to 15 mm Hg).
- Significant improvements in regional contraction were observed, with 61% of patients regaining normal contraction patterns; preserved proximal septum predicted better outcomes.
Conclusions:
- Endoventriculoplasty with a circular patch is an effective surgical option for left ventricular aneurysm, improving cardiac function and long-term survival.
- The procedure leads to significant enhancements in global and regional left ventricular contractility.
- Patient selection, particularly the presence of a preserved proximal septum, is important for achieving optimal results after endoventriculoplasty.