ShuntCheck Performance Characteristics in Asymptomatic Pseudotumor Cerebri Patients
United States20 participantsStarted 2019-10-29
Plain-language summary
The purpose of the study is to determine if the ShuntCheck test can correctly identify flow or no flow in a ventriculoperitoneal shunt in patients with pseudotumor cerebri.
Who can participate
Age range18 Years
SexALL
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Inclusion Criteria:
* 18 years old or older Adult men or women who possess a VP shunt placed for PTC;
* Capable of providing valid signed informed consent, or has a legal guardian, health care agent, or surrogate decision maker (according to local statutes, and collectively referred to as "surrogates" in this protocol) capable of providing valid, signed informed consent;
* Subjects will be asymptomatic visiting for routine care at 2-4 weeks post op
Exclusion Criteria:
* Presence of multiple shunts, or presence of more than one distal shunt catheter (regardless of function) crossing the clavicle ipsilateral to the shunt with suspected obstruction;
* ShuntCheck test would interfere with standard patient care, or emergency shunt surgery that cannot be delayed is indicated;
* Presence of an interfering open wound or edema over any portion of the VP shunt.