Q: What size does an aorta aneurysm need to be to be operated on?

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A: Traditionally, aortic aneurysms are operated on when they reach 5 cm (2 inches) in diameter or greater. We know from the natural history of the disease that rupture becomes a possibility at that point.

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Repair results in removing this risk. Aneurysms in the chest, especially at the origin of the aorta, have other problems associated with them and may require surgical repair earlier.


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