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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Renard, Dimitri Thouvenot, Eric |
| Description | Author Affiliation: Renard D ( Department of Neurology, Hôpital Caremeau, CHU Nîmes, Nîmes Cedex 4, France. Electronic address: dimitrirenard@hotmail.com.); Thouvenot E ( Department of Neurology, Hôpital Caremeau, CHU Nîmes, Nîmes Cedex 4, France) |
| Abstract | BACKGROUND: Subarachnoid hemorrhage extension (SAHE) in acute lobar hemorrhage (LH) is frequent. Little is known about the short- and medium-term radiological evolution of SAHE. Our aim was to study this evolution by magnetic resonance imaging (MRI). METHODS: We performed an observational study and analyzed retrospectively MRIs of patients with LH with possible/probable/definite cerebral amyloid angiopathy (CAA), and compared initial MRI performed between 3 hours and 21 days after symptom onset with follow-up MRI performed between 2 and 12 months after initial MRI. RESULTS: Twenty patients were analyzed. Initial MRI showed 11 of 20 patients (55%) with SAHE. Follow-up MRI showed, compared with initial MRI, an increase of 77% (45% versus 80%) of patients with chronic intrasulcal hemorrhage, an increase of 36% (22% versus 30%) of the number of lobes with chronic intrasulcal hemorrhage, and an increase of 37% (1.75 versus 2.4) of lobes with chronic intrasulcal hemorrhage seen per patient. All new chronic intrasulcal hemorrhages involved the brain lobe with initial LH except 1 lobe in 1 patient. Three patients switched from possible to probable CAA according to the modified Boston criteria after follow-up MRI due to chronic intrasulcal hemorrhage in the lobe involved by LH. In 6 patients, follow-up MRI showed more diffuse chronic intrasulcal hemorrhage than pre-existing combined SAHE and chronic intrasulcal hemorrhage in the LH lobe, or showed presence of chronic intrasulcal hemorrhage in the absence of initial SAHE and/or chronic intrasulcal hemorrhage in the LH lobe. CONCLUSION: In LH patients, presence of SAHE on initial MRI changes the modified Boston CAA criteria on follow-up MRI in a portion of patients. On follow-up MRI, SAHE/chronic intrasulcal hemorrhage extension or chronic intrasulcal hemorrhage appearance in the LH lobe is relatively frequent. |
| File Format | HTM / HTML |
| ISSN | 10523057 |
| Issue Number | 10 |
| Journal | Journal of Stroke and Cerebrovascular Diseases |
| Volume Number | 25 |
| e-ISSN | 15328511 |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2016-10-01 |
| Publisher Place | United States |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Discipline Cardiology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Rehabilitation Neurology (clinical) Surgery Cardiology and Cardiovascular Medicine |
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