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Drawing and Hydrophobicity-patterning Long Polydimethylsiloxane Silicone Filaments

Drawing and Hydrophobicity-patterning Long Polydimethylsiloxane Silicone Filaments

Published on: January 7, 2019

Silicone spaghetti.

Manohan Sinnadurai¹, Mark J Winder

¹Neurosurgery, St Vincent's Hospital, 406 Victoria Street, Darlinghurst, New South Wales 2010, Australia. msinnadu@med.usyd.edu.au

Journal of Clinical Neuroscience : Official Journal of the Neurosurgical Society of Australasia

|July 7, 2009

Summary

Ventricular shunts can migrate, but a rare case involved a distal catheter extruding through the mouth after 15 years and three revisions. This highlights the potential for delayed and unusual shunt complications.

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Area of Science:

Neurosurgery
Medical Device Complications
Pediatric and Adult Hydrocephalus Management

Background:

Ventriculoperitoneal shunts are standard treatment for hydrocephalus.
Catheter migration is a known, though infrequent, complication of shunts.
Long-term shunt function and potential late complications require ongoing monitoring.

Observation:

A patient with a history of hydrocephalus underwent three shunt revisions over 15 years.
The patient presented with the unusual symptom of per-oral extrusion of the original distal shunt catheter.
This event occurred many years after the initial shunt placement and subsequent revisions.

Findings:

The distal catheter from the patient's original ventriculoperitoneal shunt migrated significantly.
The migration resulted in the catheter protruding through the oral cavity.
This represents an extremely rare late complication of ventriculoperitoneal shunt placement.

Implications:

This case underscores the importance of considering rare migration patterns in shunt complications.
It highlights the need for vigilance in long-term follow-up of patients with shunted hydrocephalus.
Further investigation into the biomechanics and risk factors for such extreme late-stage migration may be warranted.

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