Abstract
The estimated incidence of thoracic aortic aneurysms is approximately 6/100,000 person-years, the risk of rupture for large aneurysms is up to 74 % in patients without repair, and 90 % of patients do not survive rupture. Most of them are asymptomatic and the risk factors are the same related to abdominal aortic aneurysm. The majority of the patients are asymptomatic. They manifest themselves clinically with chest pain and can cause compressive symptoms when too large. The treatment approach for descending thoracic aortic aneurysms is based on the natural history of the disease, balancing the risk of rupture and the risk of the intervention and the patient’s life expectancy. Thoracic abdominal aortic aneurysms are those in which the aorta dilation encompasses the visceral vessels ostia. They are uncommon in clinical practice with prevalence estimated at between 10 to 25 new cases per 100,000 inhabitants. It is four times more common in men and has the same risk factors as abdominal aortic aneurysms. The decision to indicate intervention for a patient with a thoracic abdominal aneurysm involves assessment of the likelihood of aortic rupture versus the operative risk of the individual subject. The two major factors (the patient’s physiologic reserve and vascular anatomy) play a significant role in determining whether a patient is best suited for open repair or an endovascular approach.
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de Castro Santos, G., Nogueira, R.F., dos Santos, C.R. (2017). Thoracic, Thoracoabdominal, and Iliac Artery Aneurysms. In: Navarro, T., Dardik, A., Junqueira, D., Cisneros, L. (eds) Vascular Diseases for the Non-Specialist. Springer, Cham. https://doi.org/10.1007/978-3-319-46059-8_10
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DOI: https://doi.org/10.1007/978-3-319-46059-8_10
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