Acute tubular necrosis after ischemia is caused by blockage of capillaries, preventing blood from circulating to this organ. The condition occurs mainly in patients with low blood pressure, dehydration and severe infection. This is a serious disease with a high mortality rate if not detected and treated promptly.

Renal artery malformations include renal artery stenosis and occlusion, with abnormal connections between arteries and veins, usually congenital. The disease often occurs in the central nervous system.