This content does not have an English version. Aortic aneurysms are separated into two categories, thoracic, which involves the ascending aorta, the aortic arch, and the first part of the descending aorta, and abdominal, which involves the descending aorta. Most people with thoracic aortic aneurysms don't have symptoms. Thoracic aortic aneurysm (adult). The underlying cause of a thoracic aortic aneurysm can typically be predicted by its location and morphologic features and by the age of the patient. How quickly an aortic aneurysm may grow is difficult to predict. A thoracic aortic aneurysm is a widening or bulging of the aorta (the largest blood vessel) in the chest (thorax). A thoracic aortic aneurysm (TAA) is a bulge in your aorta that occurs when the aorta's walls are weakened. Heritable thoracic aortic disease overview. A thoracic aortic aneurysm is a bulge in the wall of the aorta. 2016; doi:10.1053/j.semvascsurg.2016.07.003. In addition, aortic aneurysms may also develop due to an aortic dissection, which is typically associated with high blood pressure. Endovascular repair for thoracic aortic aneurysm, Open-chest surgery for thoracic aortic aneurysm, Video: Aortic Surgery: What Patients Need to Know, Video: Valve-Sparing Aortic Root Replacement, FREE book offer – Mayo Clinic Health Letter, New Year Special - 40% off – Mayo Clinic Diet Online. Precise therapy for thoracic aortic aneurysm in Marfan syndrome: A puzzle nearing its solution. Cases are often found incidentally. Thoracic Aortic Aneurysm. The aorta is the largest artery in the body and is the blood vessel that carries oxygen-rich blood away from the heart to all parts of the body. Make a donation. Thoracic aortic aneurysm An aneurysm is an abnormal widening or ballooning of a portion of an artery due to weakness in the wall of the blood vessel. Thoracic aortic aneurysms tend to develop and expand slowly over time. This site complies with the HONcode standard for trustworthy health information: verify here. https://www.uptodate.com/contents/search. In general, the larger the aneurysm, the greater the risk of rupture. Aortic aneurysms are classified as abdominal (the majority) or thoracic. If you’ve been diagnosed with a thoracic aortic aneurysm and are in the “watchful waiting” period, you may feel a sense of helplessness.. Watchful waiting is the period when your doctor closely monitors your aneurysm until it reaches a size where surgery may become necessary. Aneurysms occur more often in the portion of the aorta that runs through the abdomen (abdominal aortic aneurysm). Ascending aortic aneurysms are a subtype of thoracic aortic aneurysms or aneurysms that occur in the chest area above the diaphragm. How quickly an aortic aneurysm may grow is difficult to predict.As a thoracic aortic aneurysm grows, some people may notice: 1. Methods and Results. When detected in time, a thoracic aortic aneurysm can often be repaired with surgery or other less invasive techniques. Progress in Cardiovascular Diseases. It is important to tell your physician if there is a history of aortic aneurysms in your family to ensure that the best preventative screenings are completed. Thoracic Aortic Aneurysm The aorta is the main artery that carries blood out of the heart to the rest of the body. When atherosclerosis occurs, a sticky substance called atheromatous plaque builds up in the walls of the arteries. Mayo Clinic; 2019. Jan. 17, 2020. Due to the serious risks it presents, timely diagnosis and treatment of a thoracic aneurysm are critical. Thoracic aortic aneurysms are most often caused by atherosclerosis, a hardening of the arteries that damages the artery's walls. Many start small and stay small, although many expand over time. 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