Effects of subarachnoid hemorrhage on cerebral blood volume, blood flow, and oxygen utilization in humans.

abstract：OBJECT:This study investigated the specific preoperative MRI features of patients with intracranial meningiomas that correlate with pathological grade and provide appropriate preoperative planning. METHODS:From 2006 to 2012, 120 patients (36 men and 84 women, age range 20-89 years) with newly diagnosed symptomatic int...

journal_title：Journal of neurosurgery

authors： Lin BJ,Chou KN,Kao HW,Lin C,Tsai WC,Feng SW,Lee MS,Hueng DY

更新日期：2014-11-01 00:00:00

abstract：OBJECT:The effect of increased intracranial pressure (ICP) on cerebral venous blood flow has been the subject of very few clinical and experimental studies. The authors assessed the usefulness of venous transcranial Doppler (TCD) ultrasonography as a noninvasive monitoring tool for predicting raised ICP. METHODS:Seria...

journal_title：Journal of neurosurgery

authors： Schoser BG,Riemenschneider N,Hansen HC

更新日期：1999-11-01 00:00:00

abstract：OBJECTIVE:Intracranial stenting and flow diversion require the use of dual antiplatelet therapy (DAPT) to prevent in-stent thrombosis. DAPT may significantly increase the risk of hemorrhagic complications in patients who require subsequent surgical interventions. In this study, the authors sought to investigate whether...

journal_title：Journal of neurosurgery

authors： Hudson JS,Nagahama Y,Nakagawa D,Starke RM,Dlouhy BJ,Torner JC,Jabbour P,Allan L,Derdeyn CP,Greenlee JDW,Hasan D

更新日期：2018-10-01 00:00:00

abstract：:The potential role of iron in cerebral vasospasm was examined in the rat femoral artery model by the perivascular application of deferoxamine, a ferric ion chelator and antioxidant. In 25 rats, platelet-rich plasma or fresh autologous whole blood containing deferoxamine at concentrations of 1, 5, 10, or 15 mg/ml was a...

journal_title：Journal of neurosurgery

authors： Harada T,Mayberg MR

更新日期：1992-11-01 00:00:00

abstract：OBJECT:The authors investigated early changes in the cerebral arteries of rats that occur after subarachnoid hemorrhage (SAH). METHODS:Messenger RNA was investigated by performing microarray and quantitative real-time polymerase chain reaction (PCR) analyses, and protein expression was shown by performing immunohistoc...

journal_title：Journal of neurosurgery

authors： Vikman P,Beg S,Khurana TS,Hansen-Schwartz J,Edvinsson L

更新日期：2006-09-01 00:00:00

abstract：OBJECT:Systemic administration of 23.5% hypertonic saline enhances cerebral blood flow (CBF) in patients with poor-grade spontaneous subarachnoid hemorrhage (SAH). Whether the increment of change in CBF correlates with changes in autoregulation of CBF or outcome at discharge remains unknown. METHODS:Thirty-five patien...

journal_title：Journal of neurosurgery

authors： Tseng MY,Al-Rawi PG,Czosnyka M,Hutchinson PJ,Richards H,Pickard JD,Kirkpatrick PJ

更新日期：2007-08-01 00:00:00

abstract：:Spinal instrumentation currently allows gross-total resection and reconstruction in cases of malignancies at all levels of the spine. The authors analyzed the results in 110 patients who underwent surgery for primary and metastatic spinal tumors over a 5-year period (1989-1993) at a single institution. Major primary s...

journal_title：Journal of neurosurgery

authors： Sundaresan N,Steinberger AA,Moore F,Sachdev VP,Krol G,Hough L,Kelliher K

更新日期：1996-09-01 00:00:00

abstract：OBJECT:Previous small studies disagree about which clinical risk factors influence ependymoma incidence. The authors analyzed a large, population-based cancer registry to examine the relationship of incidence to patient age, sex, race, and tumor location, and to determine incidence trends over the past 3 decades. METH...

journal_title：Journal of neurosurgery

authors： McGuire CS,Sainani KL,Fisher PG

更新日期：2009-04-01 00:00:00

abstract：:Patients with hereditary hemorrhagic telangiectasia (HHT) are at risk for the development of cerebral arteriovenous malformations (AVMs). The authors report a case of a spontaneously regressing cerebral AVM in a patient with HHT. The lesion was diagnosed on the basis of findings on screening magnetic resonance imaging...

journal_title：Journal of neurosurgery

authors： Leung KM,Agid R,terBrugge K

更新日期：2006-11-01 00:00:00

abstract：:Dose responses in vitro of the basilar arteries of the dog, rabbit, and man to human hemoglobin and reported. For each species, the response occurred over a range of 10(-9)M to greater than 10(-5)M hemoglobin. When compared to a maximum serotonin contraction, the relative constriction induced by 10(-5)M hemoglobin was...

journal_title：Journal of neurosurgery

authors： Wellum GR,Irvine TW Jr,Zervas NT

更新日期：1980-10-01 00:00:00

abstract：:Neural foundations underlying visual agnosia are poorly understood. The authors present the case of a patient who underwent awake surgery for a right basal temporooccipital low-grade glioma in which direct electrostimulation was used both at the cortical and subcortical level. Brain mapping over the inferior longitudi...

journal_title：Journal of neurosurgery

authors： Fernández Coello A,Duvaux S,De Benedictis A,Matsuda R,Duffau H

更新日期：2013-01-01 00:00:00

abstract：OBJECTIVE:The use of the optical contrast agent sodium fluorescein (NaFl) to guide resection of gliomas has been under investigation for decades. Although this imaging strategy assumes the agent remains confined to the vasculature except in regions of blood-brain barrier (BBB) disruption, clinical studies have reported...

journal_title：Journal of neurosurgery

authors： Folaron M,Strawbridge R,Samkoe KS,Filan C,Roberts DW,Davis SC

更新日期：2018-09-07 00:00:00

abstract：OBJECT:The aim of this study was to evaluate different types of sensory stimulation used to distinguish between microvasculature and venous drainage on functional magnetic resonance (fMR) images with blood oxygen level-dependent (BOLD) contrast. METHODS:Seven volunteers received three sensory stimulations. One consist...

journal_title：Journal of neurosurgery

authors： Le Rumeur E,Allard M,Poiseau E,Jannin P

更新日期：2000-09-01 00:00:00

abstract：OBJECT:Application of sensitive infrared imaging is ideally suited to observe blood vessels and blood flow in exposed organs, including the brain. Temporary vascular occlusion is an important part of neurosurgery, but the capacity to monitor the effects of these occlusions in real time is limited. In surgical procedure...

journal_title：Journal of neurosurgery

authors： Watson JC,Gorbach AM,Pluta RM,Rak R,Heiss JD,Oldfield EH

更新日期：2002-05-01 00:00:00

abstract：:Four-vessel angiography was repeated in 56 patients with confirmed subarachnoid hemorrhage in whom the initial investigation was negative. Only one aneurysm was demonstrated. The results suggested that, with good technique, careful observation, and a complete four-vessel cerebral angiography, a false negative rate of ...

journal_title：Journal of neurosurgery

authors： Forster DM,Steiner L,Hakanson S,Bergvall U

更新日期：1978-05-01 00:00:00

abstract：:This case of metastatic gestational choriocarcinoma presented as intracerebral hemorrhage from an atypical distal middle cerebral artery aneurysm. Operative evacuation of the intracerebral hematoma was undertaken and histopathological examination revealed choriocarcinoma invading the vessel wall. Neoplastic cerebral a...

journal_title：Journal of neurosurgery

authors： Pullar M,Blumbergs PC,Phillips GE,Carney PG

更新日期：1985-10-01 00:00:00

abstract：:Patients with medically intractable temporal lobe epilepsy are potential candidates for anterior temporal lobectomy (ATL), in which epileptogenic temporal lobe tissue is localized and surgically removed. This surgical approach can eliminate or drastically reduce seizures in the majority of patients. The authors used a...

journal_title：Journal of neurosurgery

authors： King JT Jr,Sperling MR,Justice AC,O'Connor MJ

更新日期：1997-07-01 00:00:00

abstract：OBJECT:The authors analyzed the effects of socioeconomic status (SES) and geographic variations on survival rates for adults and children with glioma, studying the data of 30,489 adults and 2940 children from the Cancer Registry in England and Wales. METHODS:The median survival time and crude survival rates for eight ...

journal_title：Journal of neurosurgery

authors： Tseng MY,Tseng JH,Merchant E

更新日期：2006-10-01 00:00:00

abstract：:Granular-cell tumors are exceedingly rare neoplasms in the central nervous system. Their histogenesis has been a subject of longstanding controversy but substantial findings support the current theory of a Schwann cell origin. Other recent histopathological studies point to an astrocytic origin in those tumors which a...

journal_title：Journal of neurosurgery

authors： Carvalho GA,Lindeke A,Tatagiba M,Ostertag H,Samii M

更新日期：1994-11-01 00:00:00

abstract：:The authors describe three patients with expanding hemorrhagic mass lesions who presented 13 to 18 years after undergoing Silastic duraplasty. In all patients, results of bacteriological cultures of the masses obtained intraoperatively were positive, revealing low-virulence bacteria. Two of the patients were treated w...

journal_title：Journal of neurosurgery

authors： Ekseth K,Boström S

更新日期：1999-03-01 00:00:00

abstract：OBJECT:Delayed cerebral ischemia is a major cause of morbidity and death following aneurysmal subarachnoid hemorrhage and requires timely intervention for a successful outcome to be achieved. In this study the investigators compared the commonly used Fisher scale with 2 newer radiographic scales for the prediction of v...

journal_title：Journal of neurosurgery

authors： Kramer AH,Hehir M,Nathan B,Gress D,Dumont AS,Kassell NF,Bleck TP

更新日期：2008-08-01 00:00:00

abstract：:Cerebral amyloid angiography can cause ischemic stroke and transient ischemic attacks (TIA's), as illustrated by this case report and literature review. It is possible that the use of anticoagulant or platelet-antiaggregant drugs in elderly patients with TIA's but no angiographic abnormalities may increase the risk of...

journal_title：Journal of neurosurgery

authors： Smith DB,Hitchcock M,Philpott PJ

更新日期：1985-12-01 00:00:00

abstract：OBJECTIVES:The objective in the present study was to evaluate the usefulness of cortico-cortical evoked potentials (CCEP) monitoring for the intraoperative assessment of speech function during resection of brain tumors. METHODS:Intraoperative monitoring of CCEP was applied in 13 patients (mean age 34 ± 14 years) durin...

journal_title：Journal of neurosurgery

authors： Saito T,Tamura M,Muragaki Y,Maruyama T,Kubota Y,Fukuchi S,Nitta M,Chernov M,Okamoto S,Sugiyama K,Kurisu K,Sakai KL,Okada Y,Iseki H

更新日期：2014-10-01 00:00:00

abstract：OBJECT:Cavernomas in the occipital lobe are relatively rare. Because of the proximity to the visual cortex and incoming subcortical tracts, microsurgical removal of occipital cavernomas may be associated with a risk of visual field defects. The goal of the study was to analyze long-term outcome after operative treatmen...

journal_title：Journal of neurosurgery

authors： Kivelev J,Koskela E,Setälä K,Niemelä M,Hernesniemi J

更新日期：2012-08-01 00:00:00

abstract：:Artifacts are occasionally encountered on magnetic resonance imaging after operation. These may be due to minute metallic particles from neurosurgical instruments. Particles not detectable on plain x-ray films or computerized tomography scans may cause local change of magnetic resonance activity, resulting in a decept...

journal_title：Journal of neurosurgery

authors： Firsching RP,Heindel W,Ernestus RI,Frowein RA,Bunke J

更新日期：1987-11-01 00:00:00

abstract：OBJECT:Females comprise an increasing percentage of the athlete population across all age groups, and analysis of recent literature reveals that they sustain more concussions in collegiate sports. Results of human and animal studies indicate that females may have poorer outcomes after traumatic brain injury; however, n...

journal_title：Journal of neurosurgery

authors： Broshek DK,Kaushik T,Freeman JR,Erlanger D,Webbe F,Barth JT

更新日期：2005-05-01 00:00:00

abstract：:In a series of 75 patients with surgically treated lipomyelomeningoceles, the neurological condition of six patients deteriorated 6 months to 14 years after the operation due to repeat tethering of the spinal cord. The tethering resulted from postoperative dense adhesion between the cord and the overlying dura mater. ...

journal_title：Journal of neurosurgery

authors： Sakamoto H,Hakuba A,Fujitani K,Nishimura S

更新日期：1991-05-01 00:00:00

abstract：:Plateau waves, characterized by acute transient rises of the intracranial pressure (ICP), are accompanied by a marked decrease of the cerebral perfusion pressure. Patients with plateau waves, however, often show no clinical symptoms of ischemia of the brain stem, such as vasopressor response or impairment of conscious...

journal_title：Journal of neurosurgery

authors： Hayashi M,Kobayashi H,Handa Y,Kawano H,Kabuto M

更新日期：1985-10-01 00:00:00

abstract：OBJECTIVE:Gliomas occur in 3-4 individuals per 100,000 individuals and are one of the most common primary brain tumors. Treatment options are limited for gliomas despite the progressive nature of the disease. The authors used the Value Driven Outcomes (VDO) database to identify cost drivers and subgroups that are invol...

journal_title：Journal of neurosurgery

authors： Wilde H,Azab MA,Abunimer AM,Abou-Al-Shaar H,Karsy M,Guan J,Menacho ST,Jensen RL

更新日期：2019-03-29 00:00:00

abstract：:A case of brain-stem hemangioma calcificans is described. The few cases reported in the literature prove the rarity of this tumor, which is considered a benign variant of cerebral cavernous hemangioma. Diagnosis and treatment of these tumors are briefly discussed with a review of the literature including 11 previous c...

journal_title：Journal of neurosurgery

authors： Occhiogrosso M,Carella A,D'Aprile P,Vailati G

更新日期：1983-07-01 00:00:00