Ventriculogallbladder shunts in pediatric patients

Philipp R Aldana1, Hector E James, Richard A Postlethwait

  • 1Department of Neurosurgery, University of Florida Health Science Center, Jacksonville, Florida, USA.

Insights

Ventriculogallbladder shunts offer an alternative for children with hydrocephalus when peritoneal shunts fail. This study shows VGB shunts can be effective when the abdomen is unavailable for cerebrospinal fluid diversion.

Area of Science:

  • Pediatric Neurosurgery
  • Surgical Innovation
  • Hydrocephalus Management

Background:

  • Ventriculoperitoneal (VP) shunts are standard for hydrocephalus but can fail due to peritoneal absorption issues or abdominal surgeries.
  • Alternative distal termini are needed for patients with compromised peritoneal cavities.

Purpose of the Study:

  • To describe the clinical protocol and outcomes of ventriculogallbladder (VGB) shunts in pediatric patients.
  • To evaluate VGB shunts as an alternative to VP shunts when the peritoneum is unsuitable.

Main Methods:

  • Eighteen pediatric patients received VGB shunts due to VP shunt malfunction (peritoneal failure) or prior abdominal surgeries.
  • Preoperative gallbladder imaging (ultrasound or CT) was performed.
  • Procedures involved open laparotomy for precise distal catheter placement and gallbladder wall anchoring by pediatric neurosurgical and general surgical teams.

Main Results:

  • 13 of 18 patients had functional VGB shunts at a mean follow-up of 2.1 years.
  • Three early/late malfunctions occurred (sludge, common bile duct obstruction, gallbladder stones), successfully converted to VP shunts.
  • Two shunt infections were successfully treated; two patients required repeat VGB shunt conversions.

Conclusions:

  • Ventriculogallbladder shunts are a viable option for pediatric hydrocephalus when the peritoneal cavity is not usable.
  • Careful patient selection and surgical technique are crucial for VGB shunt success.
Abstract