Neurosurgery
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Randomized Controlled Trial Clinical Trial
Antifibrinolysis with tranexamic acid in aneurysmal subarachnoid hemorrhage: a consecutive controlled clinical trial.
A randomized controlled clinical trial was carried out to study the effect of tranexamic acid (AMCA, Cyklokapron; AB Kabi, Stockholm, Sweden) in the prevention of early rebleeding after the rupture of an intracranial aneurysm. The incidence of vasospasm, hydrocephalus, cerebral ischemic and thromboembolic complications, morbidity, and mortality was also evaluated. The series comprises 59 patients, 30 treated with tranexamic acid and 29 controls. ⋯ Five patients in each group died from rebleeding. Five additional treated patients and 2 controls died from cerebral ischemic dysfunction. The results suggest that tranexamic acid may protect patients with ruptured aneurysms from rebleeding for 1 or 2 weeks, but that it also may produce cerebral ischemic complications.
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Eighteen cases of multiple primary brain tumors of different histological types were found in a review of Mayo Clinic records from 1950 to 1978. The predisposing factors, clinical presentation, location, and type of tumor are discussed. The clinical significance and etiology of these multiple tumors are considered.
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Prompt surgical intervention is thought to be necessary in patients with traumatic intracerebellar hematoma. The case reported here ran a benign course without operation. Pertinent serial computed tomographic scans are presented. It is concluded that not all traumatic hematomas of the cerebellum require operations.
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Historical Article
Perspectives in international neurosurgery: neurosurgery in Italy.