A 60-year-old diabetic woman develops angina and will need a coronary angiogram for evaluation of coronary artery disease. She has a creatinine of 2.2. Which of the following is the most effective in reducing the risk of contrast-induced nephropathy?
A
Administer mannitol immediately after the contrast is given.
B
Perform prophylactic hemodialysis after the procedure.
C
Give IV hydration with normal saline or sodium bicarbonate prior to and following the procedure.