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Congenital portosystemic venous shunt in a preterm Rh-isoimmunized infant

Anu Thukral1, Kamaldeep Arora, Rashmi Ranjan Das

  • 1Division of Neonatology, Department of Pediatrics, All India Institute of Medical Sciences, Newborn Health Knowledge Centre, WHO Collaborating Centre for Training and Research in Neonatal Care, ICMR Centre for Advanced Research in Newborn Health, New Delhi, India.

Indian Journal of Pediatrics
|February 8, 2013
PubMed

Insights

Severe Rh-isoimmunization in infants can mimic congenital intrahepatic portosystemic venous shunts (PSVS), potentially delaying diagnosis. This case highlights conservative management for a neonate with a significant PSVS, achieving normal development.

Area of Science:

  • Neonatology
  • Pediatric Gastroenterology
  • Vascular Anomalies

Background:

  • Rh-isoimmunization is a significant cause of neonatal jaundice and liver dysfunction.
  • Intrahepatic portosystemic venous shunts (PSVS) are rare congenital anomalies affecting portal circulation.
  • Differentiating between conditions with similar clinical presentations is crucial for timely and appropriate management.

Observation:

  • A preterm infant presented with severe Rh-isoimmunization, leading to hepato-splenomegaly, conjugated hyperbilirubinemia, transaminitis, and hyperammonemia.
  • Abdominal ultrasound identified an intrahepatic portosystemic venous shunt (PSVS) with a high shunt ratio (>80%).
  • The infant exhibited clinical features that overlapped with congenital PSVS.

Findings:

  • The neonate was managed conservatively for the identified intrahepatic PSVS.
  • Despite the persistent shunt, the child demonstrated normal growth and development at 2.4 years of age.
  • The case underscores the diagnostic challenge posed by Rh-isoimmunization mimicking congenital PSVS.

Implications:

  • Conservative management can be effective for select cases of neonatal intrahepatic PSVS.
  • Awareness of overlapping clinical features is essential to avoid delayed diagnosis of PSVS in neonates with Rh-isoimmunization.
  • Further research into the long-term outcomes of conservatively managed neonatal PSVS is warranted.

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