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Improvement in cardiac performance and exercise tolerance after left ventricular aneurysm surgery--a prospective
A Mangschau1, K Forfang, K Rootwelt
1Department of Medicine, Surgery, National Hospital of Norway, University of Oslo.
The Thoracic and Cardiovascular Surgeon
|December 1, 1988
Summary
Left ventricular aneurysm resection significantly improves heart function and exercise capacity in patients. The surgery reduces symptoms and enhances overall cardiac performance, offering a better quality of life.
Area of Science:
- Cardiology
- Cardiac Surgery
- Medical Imaging
Background:
- Left ventricular aneurysms are serious complications of myocardial infarction.
- Surgical intervention is considered for symptomatic patients with reduced cardiac function.
Purpose of the Study:
- To evaluate the impact of left ventricular aneurysm resection on cardiac function and exercise tolerance.
- To assess changes in global and regional left ventricular ejection fraction (LVEF) and cardiac index (CI).
Main Methods:
- Prospective study of 42 patients undergoing left ventricular aneurysm resection.
- Pre- and post-operative radionuclide ventriculography at rest and during exercise.
- Assessment of functional classification (NYHA), double product, and exercise workload.
Main Results:
- Significant improvement in NYHA functional class (3.0 to 2.3) and exercise workload.
- Reduced end-diastolic volume and improved resting LVEF (global and regional).
- Enhanced global and regional LVEF and increased CI during exercise.
Conclusions:
- Left ventricular aneurysm resection improves cardiac symptoms, exercise tolerance, and left ventricular function.
- Surgery is beneficial both at rest and during exercise, particularly in patients with multiple vessel disease.
- Aneurysm resection with or without coronary artery bypass grafting offers significant relief and functional improvement.