Long-term survival following left ventricular aneurysmectomy

Area of Science:

• Cardiovascular Surgery
• Cardiac Surgery Outcomes
• Aneurysmectomy Procedures

Background:

• Left ventricular aneurysmectomy is a surgical procedure to treat heart damage.
• Understanding long-term outcomes and factors influencing survival is crucial for patient management.
• The role of combined myocardial revascularization warrants investigation.

Purpose of the Study:

• To review the outcomes of left ventricular aneurysmectomy.
• To assess the impact of combined myocardial revascularization on survival.
• To identify factors affecting patient survival post-surgery.

Main Methods:

• Retrospective review of 94 patients undergoing left ventricular aneurysmectomy (1971-1980).
• Analysis of hospital mortality and five-year survival rates.
• Evaluation of symptomatic presentation, left ventricular end-diastolic pressure (L.V.E.D.P.), and arrhythmias.
• Prospective assessment of 15 patients with post-operative cardiac catheterization.

Main Results:

• Overall hospital mortality was 6%, with a five-year survival of 72%.
• Dyspnea, elevated L.V.E.D.P., and ventricular dysrhythmias were associated with poorer survival.
• Combined myocardial revascularization did not impact hospital mortality but suggested improved long-term survival in angina and multi-vessel stenosis groups.
• Post-operative catheterization showed symptomatic relief but no improvement in L.V.E.D.P. or ejection fraction.

Conclusions:

• Left ventricular aneurysmectomy offers a survival benefit, but specific symptoms negatively impact outcomes.
• Combined myocardial revascularization may improve long-term survival in selected patient groups.
• Despite symptomatic improvement, objective measures like L.V.E.D.P. and ejection fraction did not show post-operative enhancement in a subset of patients.