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Obstructive sleep apnea causes a variety of alterations in the control of cerebral blood flow, contributing to the risk for stroke.
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In a cohort of patients presenting with acute myelitis, motor onset and a subsequent relapse were the strongest predictors of residual disability. An abnormal baseline brain MRI was the strongest predictor for conversion to multiple sclerosis.
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Ten risk factors are associated with approximately 90% of ischemic and hemorrhagic strokes. Hypertension, smoking, abdominal obesity, physical inactivity, and diet are the most important modifiable risk factors for stroke.
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WHO recommendations for antiviral use for H1N1 flu; antibiotic use trends for acute respiratory tract infection; denosumab clears FDA Expert Panel; FDA Actions.
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In the United States, 15% of all strokes are caused by intracerebral hemorrhage (ICH); and nonfamilial amyloid angiopathy (CAA), caused by beta-amyloid deposition in cerebral arteries and arterioles, is a major cause of lobar ICH, particularly in the elderly.
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Single cysticercal granulomas are more common in patients with lesser degrees of exposure to T. Solium eggs and these granulomas likely represent cysts that were killed by the host immune system early after infection.
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Migraine headaches are more common than tension-type headaches in children and adolescents. Being overweight, smoking, and being sedentary are associated with recurrent migraine and tension-type headaches in adolescents.
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The development of neuropathic pain after traumatic nerve injury is strongly influenced by premorbid personality traits that are dominated by "negative emotional states."
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In a study of extracranial and transcranial color-coded sonography, there was no impairment of cerebral venous drainage in patients with multiple sclerosis as compared to healthy controls.