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Background: Cerebral vasospasm is one of the important pathological phenomena which influence morbidity and mortality following subarachnoid haemorrhage. Reactive oxygen species (ROSs) generated by the autoxidation of oxyhemoglobin to methemoglobin may be one of the essential factors in the pathogenesis of cerebral vasospasm. The direct vasocontractile effects of hydrogen peroxide (H2O2), superoxide...
SummaryWe previously reported that the coagulation system in cerebrospinal fluid (CSF) is strongly activated in the early stage of a subarachnoid haemorrhage (SAH). We evaluated the relationship among thrombin activity, degree of SAH, amount of clearance of SAH, and vasospasm. The CSF levels of fibrinopeptide A (FPA) were measured by radio-immunoassay in 36 SAH patients, who were diagnosed by computerized...
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