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Renal artery thrombosis is the formation of a clot in a renal artery. A thrombosis of a renal artery may cause kidney failure because of blocked blood flow to the kidney.
Acute (sudden) complete blockage:
More gradual or incomplete blockages: May be asymptomatic (without symptoms) and go undetected.
Treatment of a renal artery thrombosis depends on the type (acute or chronic) of thrombosis, and the length of time since the thrombosis occurred.
In acute situations, thrombolytic ("clot-busting") medication may be infused into the renal artery for several hours to several days to break up the clot.
Surgery to remove the clot or bypass the artery may be performed in some situations.