2. Renal artery occlusion -- Information from Health A to Z
Renal artery occlusion is a blockage of the major arteries that supply blood to the kidneys caused by thrombosis or. Renal artery occlusion occurs when the flow of blood from the arteries leading to the kidneys becomes blocked by a blood clot or...
http://www.healthatoz.com/healthatoz/Atoz/ency/renal_artery_occlusion.jsp

3. Veterinary Information for Dogs
The mechanisms of chemical-induced renal injury include direct toxicity, hypersensitivity reaction, immune mediated damage, precipitation of drug causing obstruction, or renal artery vasoconstriction with resultant renal ischemia.
http://www.vetinfo4dogs.com/

4. EHS: Mosby's Drug Consult
These problems may include thrombosis of blood vessels, thromboembolism, and injury or infarction of end organs such as the heart, kidney, and brain. Azathioprine is used to help prevent rejection in patients receiving kidney transplant and can...
http://www3.us.elsevierhealth.com/genrx/