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1.
J Neurol ; 264(12): 2495-2505, 2017 Dec.
Article in English | MEDLINE | ID: mdl-28314978

ABSTRACT

Developmental venous anomalies (DVAs) are congenital anatomical variants of normal venous drainage of normal brain. Although DVAs are often discovered on the occasion of a seizure, their involvement in epilepsy is poorly studied. Our objective was to determine whether DVA can cause seizures, in the cases where there is no associated lesion, including no cavernoma or dysplasia. Based on clinical history, cerebral MRI, EEG recording, and 18F-FDG PET, we report 4 patients with DVA revealed by seizures. The first patient had a convulsive seizure caused by a hemorrhagic infarction due to thrombosis of her DVA. The second patient had a left temporo-parietal DVA next to a nonspecific lesion, possibly a sequelae of a venous infarction. The last two patients disclosed an isolated and uncomplicated DVA with a concordant epileptic focus confirmed on ictal video EEG recording. We reviewed literature and identified 21 other published cases of seizures caused by complications of a DVA and 9 patients that may have a direct link between epilepsy and an isolated and uncomplicated DVA. Seizures are linked to a DVA in two main situations: presence of an associated epileptogenic lesion, such as cavernoma or dysplasia, and occurrence of a complication of the DVA. Before concluding that a seizure is caused by a DVA, it is essential to perform full MRI protocols to search them. It remains rare and uncertain that isolated and uncomplicated DVA can cause seizures. In this last situation, physiopathological processes are probably different in each patient.


Subject(s)
Epilepsy/etiology , Intracranial Arteriovenous Malformations/complications , Adult , Databases, Bibliographic , Electroencephalography , Epilepsy/diagnosis , Female , Humans , Intracranial Arteriovenous Malformations/diagnostic imaging , Magnetic Resonance Imaging , Positron-Emission Tomography , Young Adult
2.
Curr Neurol Neurosci Rep ; 12(1): 34-41, 2012 Feb.
Article in English | MEDLINE | ID: mdl-22116652

ABSTRACT

The role of the stroke units in improving morbidity, mortality, and recovery from stroke is clearly demonstrated. However, acute management of language disorders in these specialized units remains controversial, and management of swallowing disorders is usually nonstandardized. The recent validation of a scale for rapid screening of language disorders (LAST [Language Screening Test]) in acute stroke patients should allow optimization of their detection and early management. Swallowing disorders should be screened and managed using a standardized protocol. Following early initial evaluation repeated on a daily basis, they justify tailored rehabilitation sessions, adaptation of food textures, team formation, and families' information. The use of these protocols implies the cooperation and coordination of the medical and paramedical teams and the daily presence of speech therapists. These aspects are crucial for patients in the stroke units to achieve full benefits from the management proposed in this paper, leading to diminution of complications and better long-term functional prognosis.


Subject(s)
Deglutition Disorders/etiology , Deglutition Disorders/therapy , Language Disorders/etiology , Language Disorders/therapy , Stroke/complications , Stroke/physiopathology , Stroke/therapy , Deglutition Disorders/diagnosis , Deglutition Disorders/rehabilitation , Disease Management , Humans , Language Disorders/diagnosis , Language Disorders/rehabilitation , Neuropsychological Tests , Stroke Rehabilitation
3.
Curr Neurol Neurosci Rep ; 11(6): 570-7, 2011 Dec.
Article in English | MEDLINE | ID: mdl-21904919

ABSTRACT

Borderzone infarcts (BZIs) are anatomically defined as ischemic lesions occurring at the junction between two arterial territories, accounting for 2% to 10% of strokes. Three types of hemispheric BZIs are described according to topography (ie, superficial anterior, posterior, and deep). Although published series on related aphasia are rare in the setting of BZI, aphasia is of transcortical (TCA) type, characterized by the preservation of repetition. TCA can be of motor, sensory, or mixed type depending on whether expression, understanding, or both are impaired. Recent studies have reported specific aphasic patterns. BZI patients initially presented with mixed TCA. Aphasia specifically evolved according to the stroke location, toward motor or sensory TCA in patients with respectively anterior or posterior BZI. TCA was associated with good long-term prognosis. This specific aphasic pattern is interesting in clinical practice because it prompts the suspicion of a BZI before the MRI is done, and it helps in the planning of rehabilitation and in providing adapted information to the patient and family concerning the likelihood of language recovery.


Subject(s)
Aphasia/pathology , Cerebral Infarction/pathology , Stroke/pathology , Aphasia/etiology , Aphasia/physiopathology , Aphasia, Broca/etiology , Cerebral Infarction/complications , Humans , Magnetic Resonance Imaging , Sensation Disorders/etiology , Stroke/complications , Stroke/physiopathology , Tomography, X-Ray Computed
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