Diagnostic Accuracy of ShuntCheck Compared to Radionuclide Shunt: Patency in Patients With Normal Pressure Hydrocephalus
The purpose of this study is to assess the diagnostic accuracy of ShuntCheck compared with radionuclide shunt patency testing (SPS) to detect CSF shunt flow of NPH patients with suspected shunt obstruction.
Men or women 40 yo or older and have a VP shunt placed for NPH and are suspected... [+1]
Presence of multiple shunts, or presence of more than one distal shunt catheter... [+2]