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Dr. Prabhu Karunakaran

Consultant Pediatric Urologist in Hyderabad

Dr. Prabhu Karunakaran

Consultant Pediatric Urologist in Hyderabad

Posterior Urethral Valves (PUV)

Posterior urethral valves (PUV) is a congenital condition affecting male children, characterized by a blockage in the urine tube (urethra) caused by a “curtain-like” valve. This condition begins in the womb and can lead to significant urinary and kidney issues if left untreated. Early diagnosis and appropriate management by a Pediatric Urologist are crucial to minimize complications.

What Causes PUV?

PUV arises from the presence of a thin, leaf-like membrane in the urethra during fetal development. Normally, this membrane disappears as the fetus grows, allowing urine to flow freely. However, in some cases, this membrane persists which leads to blockage of urine flow both in the womb and after birth. The exact cause of this developmental anomaly remains unknown.

Symptoms of PUV

PUV can be detected both prenatally and after birth. Key signs and symptoms include:

During Pregnancy:

  • Enlarged urinary bladder and kidneys observed on fetal ultrasound.
  • Possible abnormalities in the kidneys.

After Birth:

  • Weak or dribbling urine stream.
  • Inability to initiate a strong urine flow.
  • Recurrent urinary tract infections (UTIs).
  • Potential kidney damage, which may become significant without treatment.

How is PUV Diagnosed?

  • Prenatal Ultrasound: Detects enlarged bladder and potential kidney issues in the fetus.
  • Postnatal Evaluation: Includes imaging tests such as a voiding cystourethrogram (VCUG) to confirm the diagnosis and assess the severity of the obstruction.

Treatment for PUV

Effective treatment involves removing the obstructive membrane and ensuring long-term care to prevent complications:

  1. Endoscopic Surgery:
    • The valve (curtain-like membrane) is removed using a minimally invasive endoscopic procedure to restore urine flow.
  2. Post-Surgical Care:
    • Long-term medications to manage urinary function and prevent infections.
    • Regular follow-up to monitor kidney health and urinary tract function.
  3. Multidisciplinary Approach:
    • Care often involves pediatric urologists, nephrologists, and other specialists to ensure comprehensive management of the condition.

Importance of Early Intervention

Early detection and treatment of PUV by a Pediatric Urologist is essential to prevent: complications such as:

  • Chronic kidney disease or kidney failure.
  • Recurrent urinary tract infections.
  • Long-term bladder dysfunction.

If you suspect PUV in your child or have concerns based on prenatal scans, timely consultation with a pediatric urologist is vital.

For expert care, contact: Dr. Prabhu Karunakaran, Consultant Pediatric Urologist and Robotic Surgeon, Hyderabad.

Visit: www.drprabhukarunakaran.com

 

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