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276 Swallow, Charles E.; Tsuruda, Jay S.; Digre, Kathleen B.; Glaser, Matthew J.; Davidson, H. Christian; Harnsberger, H. RicTerson syndrome: CT evaluation in 12 patients.PURPOSE: Terson syndrome may be overlooked in the acute setting and often requires ophthalmologic intervention to prevent long-term visual loss. In this syndrome, vitreous or retinal hemorrhage results from an abrupt rise in intracranial pressure, leading to retinal venous hypertension and intraocul...Retinal Hemorrhage; Visual Acuity; Vitreous Hemorrhage1998-04
277 Kestle, John R. W.Shunt insertion in the summer: is it safe?Object. The potential for increased complications related to the arrival of new residents in July each year has not previously been demonstrated in the neurosurgical literature. The authors investigated this phenomenon in children undergoing cerebrospinal fluid shunt surgery. Methods. Data were ob...Ventriculoperitoneal shunt; July effect; Complication; Shunt insertion2006
278 Dailey, Andrew T.Guidelines for the performance of fusion procedures for degenerative disease of the lumbar spine. Part 12: pedicle screw fixation as an adjunct to posterolateral fusion for low-back painStandard. There is insufficient evidence to recommend a treatment standard. Guidelines. There is insufficient evidence to recommend a treatment guideline. Options. 1) Pedicle screw fixation is recommended as a treatment option for patients with low-back pain treated with PLF who are at high risk...Fusion procedures; Degenerative disease; Lumbar spine; Pedicle screw fixation; Posterolateral fusion; Low-back pain2005
279 Kestle, John R. W.; Brockmeyer, Douglas LeeEvaluation of the necessity of postoperative imaging after craniosynostosis surgeryObject. Childhood radiation exposure increases the lifetime risk of cancer from an estimated 0.07 to 0.35%. Neurological evaluation of patients after cranial vault reconstruction for synostosis repair is often complicated by pain medication, sedation, intubation, swelling, and dressings; therefore c...Computed tomography; Cranial vault reconstruction; Pediatric neurosurgery; Radiation dose; Postoperative imaging2007
280 Couldwell, William T.; Gillespie, David L.; Jensen, Randy L.Identification of hypoxia-induced genes in a malignant glioma cell line (U-251) by cDNA microarray analysisOvercoming the metabolic restrictions of hypoxia may allow the progression of lower-grade tumors to glioblastoma multiforme. Our findings of up-regulation of HIF-1α and its downstream targets VEGF, GLUT-1, and CAIX in higher-grade gliomas support this hypothesis. We compared the gene expression pro...Glioblastoma multiforme; U-251; Hypoxia; Microarray analysis; Brain tumor; Depp; Astrocytoma2007
281 Couldwell, William T.Response to comment on: the combined transmastoid retro- and infralabyrinthine transjugular transcondylar transtubercular high cervical approach for resection of glomus jugulare tumorsWe appreciate the comments by Dr. Sanna regarding our article (1). We recognize Dr. Sanna has much experience with these tumors and that, as cranial base surgeons, we should work as a team of neurosurgeons, otologists, and occasionally, head and neck surgeons and plastic surgeons. We also agree tha...Jugular foramen tumor; Glomus jugulare tumors2007
282 Couldwell, William T.Multifocal inflammatory leukoencephalopathy associated with levamisole and 5-fluorouracil: case reportLEVAMISOLE AND 5-FLUOROURACIL have now become the standard chemotherapeutic regimen for patients with Stage 111 colon carcinoma. A case of multifocal inflammatory leukoencephalopathy secondary to levamisole alone or combination of levamisole and 5-fluorouracil is reported. Magnetic resonance imaging...Autopsy; Levamisole; Multifocal inflammatory leukoencephalopathy1994
283 Couldwell, William T.Comparison of radiosurgery and conventional surgery for the treatment of glomus jugulare tumorsObject. The optimal management of glomus jugulare tumors remains controversial. Available treatments were once associated with poor outcomes and significant complication rates. Advances in skull base surgery and the delivery of radiation therapy by stereotactic radiosurgery have improved the results...2004
284 Couldwell, William T.Enhanced protein kinase C activity correlates with the growth rate of malignant gliomas in vitroDirect measurement of protein kinase C (PKC) activity in vitro revealed a significant increase in the activity of the enzyme in all human malignant glioma lines examined and the rat C6 tumor in comparison with control nonneoplastic astrocyte and mixed glial cultures. The total and particulate PKC ac...Brain neoplasms; Flow cytometry; Glioma; Phorbol ester; Protein kinase C1991
285 Dailey, Andrew T.; Schmidt, Meic H.; Apfelbaum, Ronald I.Anterior fixation of odontoid fractures in an elderly populationObject. Fractures of the odontoid process are the most common fractures of the cervical spine in patients over the age of 70 years. The incidence of fracture nonunion in this population has been estimated to be 20-fold greater than that in patients under the age of 50 years if surgical stabilizatio...Odontoid fractures; Elderly population; Anterior fixation2010
286 Couldwell, William T.Comment on Kitano, M. and Taneda, M.: Extended transsphenoidal approach to the anterior communicating artery aneurysm: aneurysm incidentally identified during macroadenoma resectionKitano and Taneda describe the successful clipping of an ACoA aneurysm via the transsphenoidal approach. There are limitations of the approach; most notable are the limited and narrow corridor and the relationship between the aneurysm and the optic chiasm, which may hinder full visualization of the ...Aneurysm; Transsphenoidal approach2007
287 Couldwell, William T.Review by Oren N. Gottfried, M.D. and William T. Couldwell, M.D., Ph.D for Neurosurgery Journal Club. (Yadav JS, Wholey MH, Kuntz RE, et al: Protected carotid-artery stenting versus endarterectomy in high-risk patients.)This is an important study that helps further define a role for carotid stenting as a therapeutic option for atherosclerotic carotid disease. There is a need for a larger-scale multi-centered trial with increased numbers patients and longer follow-up to identify appropriate patients for either endar...Carotid Stenosis; Endarterectomy, Carotid; Stents2005-01-07
288 Jaeckle, Kurt A.; Digre, Kathleen B.; Jones, Christopher R.; Bailey, Peter L.Central neurogenic hyperventilation: pharmacologic intervention with morphine sulfate and correlative analysis of respiratory, sleep, and ocular motor dysfunction.Central neurogenic hyperventilation (CNH), for which there is no effective therapy, can eventually result in respiratory fatigue and death. This report describes a patient with CNH due to a brainstem anaplastic astrocytoma who also exhibited disturbances of sleep and ocular motor function. The CNH r...Central Neurogenic H yperventilation; Ocular Motor Dysfunction1990-11
289 Couldwell, William T.Posterolateral approach for decompression with anterior and posterior fusion: a less invasive surgical technique for stabilization of the thoracic spineThe goals of surgery in unstable thoracic fractures or tumors involving the thoracic spine are neural decompression, correction of deformity, and stabilization. Several different approaches can be used to achieve these goals. The anterior, combined anterior and posterior, and more recently thoraco...Decompression; Thoracic spine; Posterolateral approach1998
290 Couldwell, William T.Prognostic variables in surgery for skull base meningiomasThe authors have retrospectively analyzed selected surgical and pathological observations made among a group of 20 patients harboring recurrent cranial base meningiomas in an attempt to reveal which factors may be important in predicting tumor recurrence. This cohort was compared with a group of 3...Skull base; Prognostic factor; Recurrence1997
291 Schmidt, Meic H.Cervical spine deformity associated with resection of spinal cord tumorsPostoperative sagittal-plane cervical spine deformities are a concern when laminectomy is performed for tumor resection in the spinal cord. These deformities appear to occur more commonly after resection of intramedullary spinal cord lesions, compared with laminectomy for stenosis caused by degener...Kyphosis; Cervical deformity; Intramedullary tumor; Laminectomy; Children2006
292 Couldwell, William T.Surgical approaches to petroclival meningiomas part I: upper and midclival approachesStrictly considered, petroclival meningiomas represent only a percentage of the 10% of all intracranial meningiomas that reside in the posterior fossa. Although not statistically frequent, with their location in proximity to cranial nerves, the basilar artery and its perforating branches, and t...Petroclival meningiomas; Petroclivus; Surgical approach; Upper clivus; Midclivus1994
293 Kestle, John R. W.Determining the best cerebrospinal fluid shunt valve design: the pediatric valve design trialMyriad cerebrospinal fluid shunt valve designs are available (17, IS). None has ever been shown to be superior to another, although claims by neurosurgeons and shunt manufacturers of the merits of particular designs are numerous. Such is the case with two recent shunt valve designs, the Orbis-Sigm...Pediatric valve design; Shunt valves1996
294 Dailey, Andrew T.Pathophysiology of oral pharyngeal apraxia and mutism following posterior fossa tumor resection in childrenMutism following posterior fossa tumor resection in pediatric patients has been previously recognized, although its pathophysiology remains unclear. A review of the available literature reveals 33 individuals with this condition, with only a few adults documented in the population. All of these pati...Vermis; Posterior fossa tumor; Pediatric patients1995
295 Kestle, John R. W.Response to editorial: summer shuntingWe thank Dr. Scott for his review and comments about our report of shunt surgery complications in the summer. He makes two very good points. Clearly, different databases are suited for different purposes, and the NIS database used in the study by Smith and colleagues is well suited to evaluating t...2006
296 Couldwell, William T.; Apfelbaum, Ronald I.Variations on the standard transsphenoidal approach to the sellar region, with emphasis on the extended approaches and parasellar approaches: surgical experience in 105 casesThe traditional boundaries of the transsphenoidal approach may be expanded to include the region from the cribriform plate of the anterior cranial base to the inferior clivus in the anteroposterior plane, and laterally to expose the cavernous cranial nerves and the optic canal. We review our combin...Transsphenoidal surgery; Chordoma; Craniopharyngioma; Intracranial neoplasm; Meningioma; Pituitary adenoma; Sella turcica; Transsphenoidal craniotomy2004
297 Kestle, John R. W.Reduction of hemorrhage risk after stereotactic radiosurgery for cavernous malformationsThe benefits of radiosurgery for cavernous malformations are difficult to assess because of the unclear natural history of this vascular lesion, the inability to image malformation vessels, and the lack of an imaging technique that defines "cure." The authors selected for radiosurgery 47 patients w...Cavernous malformation; Gamma knife; Stereotactic radiosurgery1995
298 Schmidt, Meic H.Spinal extradural arachnoid cysts: clinical, radiological, and surgical featuresExtradural arachnoid cysts in the spine are rare and are seldom a cause of spinal cord compression. They are thought to arise from congenital defects in the dura mater, and they almost always communicate with the intrathecal subarachnoid space through a small defect in the dura. The mainstay of trea...Spinal extradural arachnoid cyst; Spinal meningeal cyst; Neurogenic claudication2007
299 Schmidt, Meic H.Minimally invasive thoracoscopic resection of paraspinal neurogenic tumors: technical case reportOBJECTIVE: The posterior mediastinum is a common location for benign neurogenic tumors. They are frequently asymptomatic but can present with local compressive or neurological symptoms. METHODS: Thoracoscopy is used increasingly over posterolateral thoracotomy for the removal of these lesions. RES...2008-01-01
300 Couldwell, William T.; Schmidt, Richard H.Ruptured intracranial dermoid cysts: clinical, radiographic, and surgical featuresIntracranial dermoid cysts are pathologically characterized by a thick, stratified squamous epithelium cyst wall containing dermal elements. Rupture into the subarachnoid spaces and ventricles is extremely rare. We review the clinical, radiographic, and surgical features of eight ruptured dermoid c...Dermoid cyst; Intracranial; Rupture; Tumor2008
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