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Related Experiment Videos

Malfunctioning ventriculoperitoneal shunts. Clinical and pathological features

L N Sekhar, J Moossy, A N Guthkelch

    Journal of Neurosurgery
    |March 1, 1982
    PubMed
    Summary

    Revision of malfunctioning ventriculoperitoneal shunts revealed common causes like infection and obstruction. Early fluid collection is a key sign. Preventing contamination and improving material biocompatibility are crucial for optimal shunt function.

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    Area of Science:

    • Neurosurgery
    • Pathology

    Background:

    • Ventriculoperitoneal shunts are critical for managing hydrocephalus.
    • Shunt malfunction necessitates revision procedures, impacting patient outcomes.

    Purpose of the Study:

    • To analyze clinical and pathological findings in revised ventriculoperitoneal shunts.
    • Identify common causes and contributing factors to shunt malfunction.

    Main Methods:

    • Retrospective review of 201 revision procedures in 114 patients.
    • Pathological examination of revised shunt systems and surrounding tissues.

    Main Results:

    • Fluid collection along the shunt track is an early indicator of malfunction.
    • Obstruction causes included tissue, choroid plexus, neoplastic cells, and debris.

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  • Inflammation and foreign bodies (cotton fiber, hair, talc) were prevalent.

    • Conclusions:

    • Optimal ventricular catheter placement and infection prevention are vital.
    • Minimizing contamination and enhancing biomaterial biocompatibility can reduce malfunction.