It's complicated: That's a very open ended question. Heart surgery is typically indicated when the risks of surgery are outweighed by the benefits. Lots of studies have been done for various conditions to determine when it is a good idea. Considerations like symptoms (eg, chest discomfort, trouble breathing), or risk of dying (eg, large aortic aneurysms, type a dissection) are factored into the decision.
Answered 10/6/2013
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