Anything at all that damages or weakens blood vessels may increase the risk of an aneurysm. Thoracic aortic aneurysm risk factors incorporate: Blood clots inside your arteries can enhance the risk for stroke, coronary heart attack, critical leg agony, trouble going for walks or simply the lack of a limb. https://www.sgvascularctr.com/a-comprehensive-guide-to-aortic-aneurysm-in-singapore/