Renoprotective Effect of Febuxostat on Contrast Induced Acute Kidney Injury in Chronic Kidney Disease Patients Stage 3

All patients will receive a continuous intravenous infusion of isotonic saline at a rate of 0.5 mL/kg/h for at least 2 to 12 hours before the procedure and continued to receive it 6 to 24 hours afterward.

all the patients will receive 600 mg orally twice daily ,on the day before and the day of exposure to contrast or a single periprocedural dose (within 4 hours of contrast exposure) 1200 mg .

All patients will receive a continuous intravenous infusion of isotonic saline at a rate of 0.5 mL/kg/h for at least 2 to 12 hours before the procedure and continued to receive it 6 to 24 hours afterward.