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A patient's renal arteries became blocked, limiting the amount of blood getting to his kidneys the haematocrit would increase.

Which type of blood flows through the renal artery?

The kidneys receive oxygenated blood from the right and left renal arteries, which branch from the abdominal aorta. Deoxygenated blood leaves the kidneys through the right and left renal veins, which enter the superior vena cava.

What causes the renal artery?

The right renal artery starts a little higher and from a more lateral section of the aorta, while the left renal artery travels almost horizontally to the left kidney.

Renal stenting and angioplasty. In this treatment, surgeons open up your blood vessel's restricted renal artery and insert a stent, a device that keeps the blood vessel's walls open and promotes greater blood flow.

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