Intravenous pyelogram or IVP is a diagnostic test that refers to an X ray exam of kidneys, bladder and ureters. This test is also known as excretory urogram and is essentially performed to assess disorders related to the urinary tract.
IVP test is performed by injecting iodinated contrast dye into the patient's veins. It enters the blood stream and pools in the kidneys and the urinary tract thus producing brighter images of the organs. As the dye travels through the urinary system, the IVP test provides useful information regarding the functioning of the kidneys, bladder and ureters. Any delay in the fluid flow indicates blockage in the urinary system. Intravenous pyelogram is performed to diagnose the following disorders:
As the dye travels through the urinary system, a series of x-ray images are taken at frequent intervals. The visualization of the fluid flow will help understand the efficiency of the kidney functioning and as well as to diagnose the obstruction, if any.
Before the procedure
1.Patient should not consume any food 5 to 6 hours prior to the procedure. The day before the procedure, patient may be given a laxative to clear the bowels.
2. Pregnant women must not take this test.
3. Diabetic patients should inform the doctor about their medical condition and adjust their insulin dosage as per the instructions given by the doctor.
4. If the patient is allergic to coloring agents, the same should be informed to the doctor so that an anti-allergic medication is prescribed to be taken before the procedure.
Risks of Intravenous pyelogram
IVP is a safe procedure and there are rarely any complications associated with the intravenous pyelogram. Yet on few occasions, a patient may experience hot flushes, itching, nausea and vomiting. Very rarely patient develops allergic reaction to the dye and may experience breathing difficulty, choking sensation and swelling of the lips and tongue. Blood pressure may drop to alarming levels and patient may also lose consciousness.
Hydronephrosis refers to the swelling of one or both of the kidneys that occurs due to accumulation of urine in it. The urine goes through the ureter and is excreted by the urethra. If the outward flow of urine is blocked for some reason, it passes back to the kidneys, causing pressure and swelling. This condition is called as Hydronephrosis. It is not a disease in itself but occurs due to other underlying conditions. Reasons such as obstruction in urinary flow, kidney stones, reflux of urine from bladder to kidney lead to Hydronephrosis.
Symptoms of Hydronephrosis
Causes of Hydronephrosis
Diagnosis of Hydronephrosis
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Bibliography / Reference
Collection of Pages - Last revised Date: February 19, 2020