Neurology
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To investigate whether extent and severity of white matter (WM) damage, as measured with diffusion tensor imaging (DTI), can distinguish cognitively preserved (CP) from cognitively impaired (CI) multiple sclerosis (MS) patients. ⋯ CI patients diverged from CP patients only on DTI metrics. WM integrity changes were found in areas that are highly relevant for cognition in the CI patients but not in the CP patients. These WM changes are therefore thought to be related to the cognitive deficits and suggest that DTI might be a powerful tool when monitoring cognitive impairment in MS.
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CHADS2 and CHA2DS2-VASc scores are used to assess stroke risk in patients with atrial fibrillation (AF). We investigated whether these scores are associated with stroke outcome in non-AF stroke patients. ⋯ Prestroke CHADS2 and CHA2DS2-VASc scores predict long-term stroke outcomes in non-AF patients with acute ischemic stroke. These scores may provide a simple way of stroke prognostic risk stratification among non-AF stroke patients.
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Clinical presentation of carotid artery dissection (CAD) is variable, including acute or subacute headache, cervical pain, or focal neurologic deficit that occurs spontaneously, after a high-speed neck manipulation, or trauma. Isolated lower cranial nerve palsy in carotid dissection is uncommon.
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To prospectively assess 1) the incidence and duration of postdural puncture headache (PDPH) in migraineurs and healthy subjects; 2) the associated risk factors; and 3) the risk of getting a migraine attack shortly before or after lumbar puncture (LP). ⋯ Migraineurs are not at increased risk of developing PDPH. PDPH duration is similar in migraineurs and age- and sex-matched controls. LP does not trigger migraine attacks, and the stress of an upcoming LP might even have a protective effect against onset of migraine attacks.