What is Renal Angiography?
Renal angiography (also called renal arteriography) is an imaging procedure that uses X-rays and contrast dye to visualize the blood vessels of the kidneys. A catheter is inserted through a blood vessel (usually in the groin) and guided to the renal arteries. Contrast dye is injected, and X-ray images are taken to identify blockages, narrowing, or abnormalities in the kidney blood vessels.
When is it Needed?
The Procedure
Preparation
Blood tests, kidney function check. Fasting for 4-6 hours. Stop certain medications.
Catheter Insertion
Local anesthetic at the groin. Catheter inserted into the femoral artery.
Guidewire Navigation
Catheter is guided under X-ray to the renal arteries.
Contrast Injection
Special contrast dye is injected. X-ray images capture blood flow patterns.
Assessment
Images reveal any blockages, narrowing, or vascular abnormalities.
Recovery
Catheter removed. Groin compression for 6-12 hours. Bed rest for 12-24 hours.
Benefits
Renal angiography is the gold standard for diagnosing renal artery stenosis. If a blockage is found, treatment (angioplasty/stenting) can sometimes be performed during the same procedure.
Consult Dr. Rajesh Goel for renal angiography evaluation