What is renal artery occlusion?
by MedExpert on October 26th, 2007 Definition Renal artery occlusion is a blockage of the major arteries that supply blood to the kidneys caused by thrombosis or embolism. Description Renal artery occlusion occurs when the flow of blood from the arteries leading to the kidneys becomes blocked by a blood clot or cholesterol emboli. The lack of oxygenation can lead to necrosis (tissue death) and ultimately, chronic kidney failure. Causes and symptoms Renal arterial occlusion occurs when a thrombus or embolism (blood clot or cholesterol plaque) breaks free and blocks the arteries leading to one or both kidneys. Symptoms of an acute renal arterial occlusion may include: • hypertension • fever • sudden pain in the lower back or flank • nausea and vomiting • protein and/or blood in the urine An individual with renal arterial occlusion may have no overt symptoms, particularly if only one kidney is affected or if the blockage is only partial. Health problems from secondary complications such a
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