Amnesia After Surgery for Anterior Communicating Aneurysm： High Resolution Magnetic Resonance (MR) Imaging Findings
|Study Type:||Observational [Patient Registry]|
|Study Design:||Observational Model: Cohort
Time Perspective: Cross-Sectional
|Target Follow-Up Duration:||6 Years|
|Official Title:||Basal Forebrain Amnesia After Surgery for Anterior Communicating Aneurysm： High Resolution 3-dimensional (3D) Magnetic Resonance (MR) Imaging Findings|
- cerebral infarction identified and localized in the basal forebrain on MR imaging [ Time Frame: within 15 months from the aneurysmal treatment(an expected average 4 months) ] [ Designated as safety issue: No ]
|Study Start Date:||December 2007|
|Study Completion Date:||July 2013|
|Primary Completion Date:||July 2013 (Final data collection date for primary outcome measure)|
Cohort register is made by experienced neuropsychologists in our institute.
MR imaging and data storage is in the department of diagnostic radiology of our institute.
MR images are evaluated by two neuroradiologists using a work station.
Please refer to this study by its ClinicalTrials.gov identifier: NCT01919775
|Study Director:||Shoki Takahashi, Professor||Department of Diagnostic Radiology, Tohoku University, Graduate School of Medicine, Sendai, Japan|