Renal Artery Disorders: Causes and Effects
Renal artery disorders and diseases can have serious implications for kidney function. One common cause is uncontrolled high blood pressure, which can lead to the narrowing, weakening, or hardening of the renal arteries. When this happens, the kidneys are unable to receive sufficient blood supply, resulting in potential damage to the kidneys and a decrease in their ability to effectively filter the blood.
In addition to the negative impact on blood flow, the accumulation of plaque in the renal arteries can lead to a condition known as renal artery stenosis. This condition blocks the flow of blood to the kidneys and further compromises their function. If the narrowing of the renal arteries exceeds 60 to 70%, medical intervention such as angioplasty with stent placement may be necessary to improve blood flow to the kidneys.
How to Diagnose Renal Artery Symptoms
When a potential issue with the renal artery, like renal artery stenosis, is suspected, the first step is a physical examination by a physician. During this examination, a stethoscope is used to listen for any abnormal sounds in the kidney area that may indicate a narrowing or blockage in the artery. Additionally, blood and urine tests may be conducted for further evaluation.
To confirm a diagnosis, various diagnostic tests are available. These tests include Doppler ultrasound, computerized tomography (CT) scan, and magnetic resonance angiography (MRA). These diagnostic tools help to determine the extent of the issue and provide more accurate information for a proper diagnosis.
In certain cases, a physician may opt to inject a dye into the renal arteries to enhance the visibility of blood flow. This is followed by an X-ray examination, allowing for a clearer visualization of the arteries and any potential abnormalities.