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Geometric reconstruction in left ventricular aneurysm. Surgical aspects and early results
N A Stolf1, S Erdman, G Santos
1Surgical Department, Hospital Beneficiencia, Portuguesa, Sao Paulo SP, Brazil.
Insights
Left ventricular aneurysmectomy with geometric reconstruction offers improved outcomes for heart failure patients. This surgical technique shows promise as the preferred treatment for left ventricular aneurysms.
Area of Science:
- Cardiology
- Cardiac Surgery
Background:
- Left ventricular aneurysms often result from myocardial infarction, leading to heart failure and angina.
- Surgical intervention is considered for patients with significant symptoms and poor left ventricular function.
Purpose of the Study:
- To analyze the early outcomes of left ventricular aneurysmectomy using geometric and circular reconstruction.
- To identify risk factors associated with hospital mortality in this patient cohort.
Main Methods:
- Retrospective analysis of 79 patients undergoing left ventricular aneurysmectomy with geometric reconstruction.
- Data collection included patient demographics, preoperative conditions, surgical procedures, and outcomes.
Main Results:
- Hospital mortality was 5.1%.
- Increased risk of mortality was observed in patients over 60, NYHA class IV, with poor left ventricular function (EF < 0.30), and extensive coronary artery disease.
- No deaths occurred following isolated left ventricular aneurysmectomy.
Conclusions:
- Geometric and circular reconstruction for left ventricular aneurysmectomy demonstrates favorable early results.
- This technique appears to be the procedure of choice for treating left ventricular aneurysms, outperforming previous methods.
Abstract:
The early results of 79 patients who underwent left ventricular aneurysmectomy with geometric and circular reconstruction in a seven-year experience are analyzed. The most common indication for operation was congestive heart failure (78.4%), either isolated (25.3%) or with angina (53.1%). Sixty patients (76%) were in NYHA class III and 10 (12.6%) in NYHA class IV at the time of surgery. Fifty-eight (73.4%) underwent coronary artery by-pass graft surgery. Hospital mortality was 5.1%, in patients older than 60 (12%), in NYHA class IV (20%), with poor left ventricular function (EF < 0.30-20% and LVED > 25) (14%), and with extensive coronary artery disease (10%) were under increased risk. Low cardiac output and use of intra-aortic balloon pump were also associated risk factors. Other risk factors mentioned in the literature are discussed. There were no deaths from isolated left ventricular aneurysmectomy. The early results of this study and the early and late results of others using the same technique are better than the results obtained in previous studies of different types of correction, suggesting that this is the procedure of choice for treating left ventricular aneurysm.