Sonography in children with UTI
Urinary tract infections (UTIs) in children can be concerning, especially if they occur frequently or involve complications. One of the key recommendations after a UTI episode in children is to undergo sonography (ultrasound) to assess kidney and urinary tract health. This article discusses why sonography is essential after a UTI, its benefits, and what parents should know about the procedure.
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Why is Sonography Recommended After a UTI?
The primary goal of imaging studies, including sonography, after a UTI is to:
- Detect any anatomical abnormalities that predispose the child to infections.
- Identify whether the kidneys are involved in the infection.
- Determine if there are conditions like vesicoureteral reflux (VUR), which may increase the risk of recurrent UTIs and kidney damage.
- Ensure that the renal function is normal and there is no obstruction.
According to the American Academy of Pediatrics (AAP) and National Institute for Health and Clinical Excellence (NICE) guidelines, an ultrasound of the kidneys, ureters, and bladder (KUB) is the preferred first imaging test after a UTI in children.
When is Sonography Needed?
1. First Febrile UTI in Children (2-24 Months)
For a first-time febrile UTI, a renal ultrasound is usually recommended to check for any structural issues in the urinary tract.
2. Recurrent UTIs
If a child experiences multiple UTIs, sonography and additional tests like a Voiding Cystourethrogram (VCUG) may be needed.
3. Atypical UTI Cases
Sonography is essential if the child has:
- No improvement within 48 hours of antibiotics
- High fever (>39°C) with no other infection source
- An abnormal urinary flow or weak urine stream
- History of congenital urinary tract abnormalities
What Can Sonography Detect?
Sonography is a safe, non-invasive test that helps diagnose:
- Kidney enlargement or scarring (suggestive of pyelonephritis)
- Hydronephrosis (swelling due to urine buildup)
- Bladder wall thickening
- Obstructions in the urinary tract
- Vesicoureteral reflux (VUR) (in some cases)
Additional Imaging Tests
In complicated UTI cases, doctors may recommend additional tests:
- Voiding Cystourethrogram (VCUG): To check for vesicoureteral reflux (VUR).
- Dimercaptosuccinic Acid (DMSA) Scan: To detect kidney scarring and infection.
What Happens During a Sonography?
- The child lies down while a gel is applied to the abdomen.
- A handheld probe is moved over the area to capture images.
- The procedure is painless and takes about 15-30 minutes.
- No radiation is involved, making it safe for children.
Internal Link: Is It UTI to My Child?
FAQ: Common Questions About Sonography After UTI
1. Is sonography painful for my child?
No, it is a non-invasive and painless procedure.
2. How long does it take?
Usually, 15-30 minutes.
3. What if the sonography is normal?
If normal, no further imaging are needed unless UTIs keep recurring.
4. What if abnormalities are found in USG?
Further tests like VCUG or DMSA scan are needed.
5. Can I prevent recurrent UTIs in my child?
Yes, by maintaining proper hygiene, ensuring adequate fluid intake, and seeking prompt treatment for infections.
External Resources
Internal Link: What Can Be the Complications of UTI in My Child?
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