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Updated: May 8, 2026

Neuronavigation and Laparoscopy Guided Ventriculoperitoneal Shunt Insertion for the Treatment of Hydrocephalus
Published on: October 14, 2022
Upward migration of a peritoneal catheter following ventriculoperitoneal shunt
Kyung Rae Cho1, Je Young Yeon, Hyung Jin Shin
1Department of Neurosurgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea.
Insights
A rare case of peritoneal catheter migration occurred after a ventriculoperitoneal shunt in an infant. The catheter moved upwards and coiled around the valve, prompting a discussion of potential causes for this shunt complication.
Area of Science:
- Neurosurgery
- Pediatric Surgery
- Medical Device Complications
Background:
- Ventriculoperitoneal shunts are crucial for managing hydrocephalus in infants.
- Intraventricular hemorrhage at birth can lead to progressive hydrocephalus requiring shunting.
- Ultra-small, low-pressure valve systems are used in pediatric shunt procedures.
Observation:
- A 7-month-old infant developed scalp swelling 21 days post-ventriculoperitoneal shunt surgery.
- Radiographic imaging demonstrated complete upward migration of the peritoneal catheter.
- The migrated catheter was observed to be coiled around the shunt valve.
Findings:
- The peritoneal catheter exhibited proximal upward migration, a rare complication.
- The migration resulted in the catheter coiling around the implanted valve system.
- The specific low-pressure valve system used may be a factor in this migration.
Implications:
- Understanding catheter migration mechanisms is vital for preventing shunt failure.
- This case highlights the importance of careful surgical technique and device selection.
- Further research into shunt hardware and migration is warranted to improve patient outcomes.
Abstract:
We present an unusual case of peritoneal catheter migration following a ventriculoperitoneal shunt operation. A 7-month-old infant, who had suffered from intraventricular hemorrhage at birth, was shunted for progressive hydrocephalus. The peritoneal catheter, connected to an 'ultra small, low pressure valve system' (Strata®; PS Medical,Gola, CA, USA) at the subgaleal space, was placed into the peritoneal cavity about 30 cm in length. The patient returned to our hospital due to scalp swelling 21 days after the surgery. Simple X-ray images revealed total upward migration and coiling of the peritoneal catheter around the valve. Possible mechanisms leading to proximal upward migration of a peritoneal catheter are discussed.
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