European neurology
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Fifty-three UK and 59 USA people with multiple sclerosis (MS) answered anonymously the first questionnaire on cannabis use and MS. From 97 to 30% of the subjects reported cannabis improved (in descending rank order): spasticity, chronic pain of extremities, acute paroxysmal phenomenon, tremor, emotional dysfunction, anorexia/weight loss, fatigue states, double vision, sexual dysfunction, bowel and bladder dysfunctions, vision dimness, dysfunctions of walking and balance, and memory loss. The MS subjects surveyed have specific therapeutic reasons for smoking cannabis. The survey findings will aid in the design of a clinical trial of cannabis or cannabinoid administration to MS patients or to other patients with similar signs or symptoms.
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We report a case with bilateral paramedian thalamic infarcts. The patient showed a dramatic personality change characterized by childish behavior and euphoria; which remained unchanged for 2 years after the onset. 'Vorbeireden' characterized by approximate answers was also observed. Anterograde amnesia had quite improved after 2 years, while retrograde amnesia for 1 year prior to the stroke onset and vertical gaze palsy remained unchanged. ⋯ A position emission tomography study showed that cerebral metabolic rate for glucose was markedly decreased in both thalami and in the cerebellum, and only slightly decreased in the parietal and occipital cortical regions. Cerebral metabolic rates of glucose in the frontal and temporal cortices were within normal range. The paramedian thalamic lesions per se may be responsible for the patient's personality change, 'Vorbeireden', and amnesia.
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A continuous intraoperative EEG monitoring was performed in 369 consecutive carotid artery revascularizations (CARs) (321 patients) to minimize the intraoperative neurological morbidity. There were 227 carotid endarterectomies and patch graft angioplasty (198 patients), 79 carotid eversion endarterectomies (70 patients) and 58 internal carotid artery reimplantations into the common carotid artery (48 patients). Indications for CARs were TIAs (141, 43.9%), amaurosis fugax (60, 18.6%) and fixed or partial nonprogressing stroke (14, 4.3%). ⋯ In 2 of these cases, the intraoperative EEG monitoring was absolutely normal and the IS was not used: the carotid occlusion was due to technical errors. The most striking finding of this series is the absence of false-negative results in continuous EEG monitoring. EEG monitoring appears an available and useful method for the detection of cerebral ischemia secondary to carotid cross-clamping and contributes to put at zero the intraoperative complications of the surgical procedure.