Clinical Research Directory

Inclusion Criteria: * Patient is between 18 and 75 years of age (inclusive). * Patient has a documented aneurysmal SAH. * Patient or next of kin or person with appropriate power of attorney has provided written informed consent. * Patient is willing and available for study follow-up visits. * Patient has not been previously entered into this study. Exclusion Criteria: * Inability to obtain informed written consent. * Patient is \< 18 or \> 75 years old. * Patient is not expected to survive \>24 hours (e.g. those presenting with loss of brain stem reflexes, or patients transferred to the Halifax Infirmary ICU for consideration of organ donation rather than active treatment) * Patient history indicates high risk of non-compliance (e.g., substance abuse, psychosocial issues, etc.) * Patient is currently breast feeding, or pregnant * Patient is currently enrolled in another clinical study (device or drug).