World Neurosurg
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To determine whether perfusion computed tomography (CT) is useful for identifying patients with poor-grade subarachnoid hemorrhage (SAH) with reversible etiologies and whether early obliteration in patients with poor-grade aneurysmal SAH leads to favorable outcomes. ⋯ Early bilateral prolonged MTT at the thalami and old age are associated with a poor outcome. Early obliteration benefits a significant portion of SAH patients.
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To evaluate the effects of reoperation with deep brain stimulation (DBS) in the caudal zona incerta (cZi) in patients with failed DBS in the ventral intermediate (Vim) nucleus of the thalamus for essential tremor. ⋯ The effect on tremor was, in this small sample population, improved by implanting an electrode in the cZi. The effect was modest in those patients suffering a deterioration years after the initial operation.
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Case Reports
Incidence and clinical features of symptomatic cerebral hyperperfusion syndrome after vascular reconstruction.
Vascular reconstructions are the established treatment for ischemic cerebrovascular disease. Cerebral hyperperfusion syndrome (CHS) is occasionally seen after vascular reconstruction and manifest clinical symptoms. The purpose of this study is to investigate the incidence and clinical features of CHS after vascular reconstruction. ⋯ The incidence of CHS is significantly higher in patients with MMD and results in vasogenic edema visible on magnetic resonance imaging.