A Registry for Comparing Catheter-Related Infection Rates Among Various Shunt Systems in the Treatment of Hydrocephalus

Inclusion Criteria: * The Subject requires a surgical procedure to implant (de novo) a ventriculoperitoneal shunt or to replace an already implanted shunt catheter for the treatment of hydrocephalus. * The Subject (family member/legal representative) has completed the Informed Consent process prior to enrollment into this Registry. * The Subject (family member/legal representative) is willing to comply with the Registry protocol timelines \& requirements. Exclusion Criteria: * The Subject's planned shunt has distal drainage to the heart. * The Subject has an active infection of the indwelling shunt system, cerebrospinal fluid or abdominal cavity. * The Subject has ventriculitis, peritonitis or meningitis. * The Subject has sepsis. * The Subject has a history of poor wound healing. * The Subject has symptoms pertaining to: a skin infection at or near the site of any incisions; an ear infection on either side; a respiratory tract infection; or a urinary tract infection that, in the Investigator's opinion is clinically significant and might compromise the outcome of this Registry. * The Subject has had any form of bowel surgery 30 days prior to device implant or anticipates bowel surgery within 90 days following device implant * The Subject has loculation(s) within the ventricular system. * The Subject is otherwise determined by the Investigator to be medically unsuitable for participation in this Registry. * The Subject is currently enrolled in another drug or device trial or has been previously entered in this trial. * The Subject exhibits other difficulties, which would preclude follow-up for 90 days. * The Subject is a prisoner.