What condition significantly increases the risk of an aortic aneurysm?

Hypertension, or high blood pressure, is a significant risk factor for the development of aortic aneurysms. This condition can cause damage to the walls of blood vessels over time, leading to increased stress on the aortic wall. As the aorta experiences continuous high pressure, the vessel can weaken and become dilated, potentially leading to an aneurysm.

In contrast, while diabetes, asthma, and hyperlipidemia can contribute to overall cardiovascular risk, they do not have the same direct and significant impact on the structural integrity of the aorta as hypertension does. Diabetes can influence other vascular diseases and lead to complications, but the immediate risk for an aortic aneurysm is more closely associated with elevated blood pressures that repeatedly stress the aorta. Thus, managing hypertension is crucial in preventing the formation and rupture of aortic aneurysms.