Potential study candidates will be screened for inclusion and exclusion criteria after informed consent has been provided by the Legally Acceptable Representative and/or the study candidate.~Once enrolled in the study, data will be collected from those subjects with elevated intracranial pressure (ICP), interventricular hemorrhage, or hydrocephalic shunt infections as a result of the use of the EVD catheter.~Pre-insertion and peri-removal CT scans and neurological assessment data will also be collected.~Data will be collected for subjects beginning from the time of hospital admission through discharge and followed by the 30 Day and 90 Day Follow up Visits.
The primary goal of this study is to assess the occurrence of flushing interventions to address occlusions during the treatment of interventricular hemorrhage (spontaneous primary IVH or secondary IVH due to ruptured aneurysm).