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Diseases affecting the blood vessels in the kidney, known as renal vascular diseases, significantly impact renal function and overall health. The primary conditions include renal artery stenosis, where narrowing of the arteries impairs blood flow and leads to hypertension and chronic kidney damage. Renal artery thrombosis occurs when a blood clot blocks an artery, risking acute kidney injury. Renal vein thrombosis, involving a clot in the renal vein, impedes blood drainage and may result in swelling and kidney dysfunction. Atheroembolic renal disease arises when cholesterol plaques from larger arteries obstruct smaller kidney vessels, especially in the elderly, leading to gradual renal impairment.

Renal artery aneurysms, though rare, involve vessel wall weakening and risk of rupture. Symptoms can vary but often include high blood pressure, flank pain, blood in the urine, and reduction in kidney function. Causes encompass atherosclerosis, blood clots, congenital defects, and autoimmune processes. Early detection via imaging and blood pressure monitoring is crucial, as prompt treatment with medications, surgical intervention, or angioplasty can limit kidney damage and improve outcomes.?