Human activity is causing environmental degradation, which is the deterioration of the environment through depletion of resources such as air, water and soil; the destruction of ecosystems; habitat destruction; the extinction of wildlife; and pollution.
Screening for abdominal aortic aneurysm (AAA) Research studies suggest that a routine ultrasound scan is worthwhile for all men aged 65. This is because most people with an AAA do not have symptoms. Following a routine scan, surgery can be offered to men found to have an aneurysm over 5.5 cm wide.
Iliac artery aneurysms are more common in conjunction with an aortic aneurysm. As many as 50% of abdominal aortic aneurysms are associated with an iliac artery aneurysm. An isolated iliac artery aneurysm is usually asymptomatic. That is why isolated aneurysms are often discovered incidentally.