Compare Effects of Intensive Versus Conventional Lipid-lowering Therapy in Patients With Severe Atherosclerotic Renal Artery Stenosis Undergoing Stent Placement

Inclusion Criteria

• •1. Angiographic evidence of severe atherosclerotic renal artery stenosis (diameter reduction≥ 70%) with ≥ 20 mmHg systolic translesional gradient or positive captopril renography in the target kidney;
• •2. Sustained systolic blood pressure ≥ 180 mmHg, and/or diastolic blood pressure ≥ 110 mmHg while not receiving drug therapy or systolic blood pressure ≥ 140 mmHg, and/or diastolic blood pressure ≥ 90mmHg while taking standard triple-drug combination treatment (including one diuretic);
• •3. Estimated glomerular filtration rate≥ 10 ml/min/1.73m2 with longitudinal kidney length ≥ 7 cm supplied by target artery;
• •4. Serum creatinine level\<264umol/L；
• •5. Urine protein≤ 1+