Kidney Artery Stenosis Ultrasound. These arteries may narrow or become blocked and this may result in kidney failure or high blood pressure hypertension. Ghaneh fananapazir 1 john p.
When the stenosis occurs slowly collateral vessels form and supply the kidney. It usually takes around 1 hour. The most common indication for a renal artery ultrasound is to assess for renal artery stenosis.
There are 2 techniques direct method and indirect method used to investigate renal arterial supply both ideally are used in conjuction with each other however in circumstances where the renal artery is not seen in its entirety then the indirect approach alone can give an indication of vascular disease.
The most common indication for a renal artery ultrasound is to assess for renal artery stenosis. Renal artery stenosis ras is the most common underlying medical condition causing hypertension and is present in 1 5 of all cases of hypertension ras is also the indication for renal replacement therapy in 5 15 of cases 2 3 most cases of ras are due to atherosclerosis the incidence of which increases with age as the general population ages it is likely that ras will be. Ghaneh fananapazir 1 john p. Ultrasound of the renal arteries normal renal arteries.