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The aim of this study was to determine the value of flow-sensitive four-dimensional MRI for the assessment of pulse wave velocity as a measure of vessel compliance in the thoracic aorta. Findings in 12 young healthy volunteers were compared with those in 25 stroke patients with aortic atherosclerosis and an age-matched normal control group (n = 9). Results(More)
6 patients seen in a blood-transfusion centre had painful peripheral-nerve injuries after venepuncture in the antecubital fossa. The nerves injured were the median nerve and the medial and lateral cutaneous nerves of the forearm in the antecubital fossa. The frequency of this injury was approximately 1/25 000 venepunctures. 3 patients were treated with(More)
Activation of epileptic seizures or electroencephalographic epileptiform discharges by mental calculation is rare. We report the case of a 34-year-old right-handed accountant with a 20-year history of generalized tonoclonic seizures. Although clinical seizures were unrelated to performance of mental arithmetic, epileptiform activity appeared when she(More)
We performed a double-blind, placebo-controlled, crossover study to assess the effect of amantadine versus placebo on levodopa-induced dyskinesias in Parkinson's disease. We found a 24% reduction in the total dyskinesia score after amantadine administration (p = 0.004). This improvement was achieved without any influence on the severity of "on" period(More)
PURPOSE Changes in aortic geometry or presence of aortic valve (AoV) disease can result in substantially altered aortic hemodynamics. Dilatation of the ascending aorta or AoV abnormalities can result in an increase in helical flow. METHODS 4D flow magnetic resonance imaging was used to test the feasibility of quantitative helicity analysis using(More)
Two patients with rheumatoid arthritis involving the cervical spine developed a rapidly progressive dysarthria due to bilateral hypoglossal nerve palsies, in one patient as an isolated lesion, and in the other in conjunction with dysfunction of the vagus and glossopharyngeal nerves. Both patients showed upward movement of the axis, relative to the foramen(More)
Hypoglycemia produced hemiplegia with right-sided predilection in 16 patients initially suspected of having suffered a stroke. Fifteen patients had no demonstrable brain disease, and the hemiplegia cleared rapidly once the hypoglycemia was corrected. Invasive investigations such as carotid arteriography are not required in most patients. The features of(More)