Abstract
Background: Although most patients with an implanted ventriculoperitoneal shunt device will require cerebrospinal fluid diversion over the course of their lifetime, there appears to be a small number of patients that are shunt independent and may benefit from shunt removal. Methods: We retrospectively analyzed 661 patients with hydrocephalus treated over a 10-year period at a single institution. In 10 patients, a systematic shunt weaning protocol was attempted before removal of the cerebrospinal fluid shunt. Results: Ten patients underwent an attempt at shunt removal. Seven of these patients were successfully weaned and 3 were not. The indications to attempt shunt removal for the 7 patients that were successfully weaned were recurrent complications and infections requiring multiple shunt externalizations and revisions in 4 patients, asymptomatic shunt disconnection in 2 patients, and symptomatic overdrainage in 1 patient. None of the patients that were successfully weaned had a history of shunt failure resulting in ventriculomegaly. Two of the 3 patients who failed shunt weaning attempts had a history of shunt failure that resulted in ventriculomegaly. Conclusion: A small number of patients with shunted hydrocephalus may benefit from removal of their shunt.
Published Version
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