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Intracranial infectious aneurysms, or mycotic aneurysms, are rare infectious cerebrovascular lesions which arise through microbial infection of the cerebral arterial wall. Due to the rarity of these lesions, the variability in their clinical presentations, and the lack of population-based epidemiological data, there is no widely accepted management(More)
OBJECT Central nervous system (CNS) hemangiopericytomas are relatively uncommon and unique among CNS tumors as they can originate from or develop metastases outside of the CNS. Significant difference of opinion exists in the management of these lesions, as current treatment paradigms are based on limited clinical experience and single-institution series.(More)
Aneurysmal subarachnoid hemorrhage (aSAH) is a form of hemorrhagic stroke that affects up to 30,000 individuals per year in the United States. The incidence of aSAH has been shown to be associated with numerous nonmodifiable (age, gender, ethnicity, family history, aneurysm location, size) and modifiable (hypertension, body mass index, tobacco and illicit(More)
BACKGROUND In 2007, the Centers for Medicare and Medicaid Services stopped reimbursing for treatment of specified hospital-acquired conditions (HACs), also known as "never events." OBJECTIVE To establish benchmarks for HACs after common neurosurgical oncologic procedures. METHODS We identified adults in the Nationwide Inpatient Sample between 2002 and(More)
Outcome after aSAH depends on several factors, including the severity of the initial event, perioperative medical management, surgical variables, and the incidence of complications. Cerebral vasospasm (CV) is ure to consistently respond to treatment, emphasizing the need for further research into the underlying mechanisms of SAH-induced cerebrovascular(More)
Chronic subdural hematoma (cSDH) is an increasingly common neurological disease process. Despite the wide prevalence of cSDH, there remains a lack of consensus regarding numerous aspects of its clinical management. We provide an overview of the epidemiology and pathophysiology of cSDH and discuss several controversial management issues, including the timing(More)
Despite extensive research to develop an effective neuroprotective strategy for the treatment of ischemic stroke, therapeutic options remain limited. Although caspase-dependent death is thought to play a prominent role in neuronal injury, direct evidence of active initiator caspases in stroke and the functional relevance of this activity have not previously(More)
Intracerebral hemorrhage (ICH) is the second most common and deadliest form of stroke. Currently, no pharmacologic treatment strategies exist for this devastating disease. Following the initial mechanical injury suffered at hemorrhage onset, secondary brain injury proceeds through both direct cellular injury and inflammatory cascades, which trigger(More)
OBJECTIVE Cerebrospinal fluid hypovolemia resulting in postural headaches is a well-known clinical entity, but severe forms of cerebrospinal fluid hypovolemia with altered mental status and signs of transtentorial herniation ("brain sag") have rarely been reported. This article describes the clinical features of brain sag after craniotomy in an attempt to(More)
BACKGROUND Ischemic stroke remains one of the leading causes of death and disability in the developed world. Despite many promising preclinical results, the only pharmacologic treatments proven effective in improving clinical outcome following ischemic stroke until now are administration of aspirin and acute thrombolysis using tissue-plasminogen activator.(More)