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A 62-year-old male asked:

31+0.16 x age= upper normal limits for ascending thoracic aorta in mm.is above (study) formula accurate for men who are between 60 and 65 years of age?

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Dr. Geoffrey Rutledge
Dr. Geoffrey Rutledgeanswered
Internal Medicine 39 years experience
Dilated aorta: The formula predicts an ascending aorta size of ~41mm for someone 60-65, which is above the upper limit of "normal", 22-36mm. The ascending aorta enlarges with age, especially if there is hypertension, so 41mm is dilated. Anything above 45 mm is considered an aneurysm. The risk of rupture increases rapidly with size; aneurysms >60 mm have a 5-yr rupture risk of 31% (vs 16% if less than 60mm)
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Last updated Sep 7, 2022

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