Biomechanical evaluation of Caspar cervical screws: comparative stability under cyclical loading.

abstract：:Our experience with progressive unilateral hydrocephalus in children and the pathophysiology of nonneoplastic obstruction of the foramen of Monro has been analyzed. The status of the foramen of Monro in either congenital or acquired progressive unilateral hydrocephalus was classified into the following four categories...

journal_title：Neurosurgery

authors： Oi S,Matsumoto S

更新日期：1985-12-01 00:00:00

abstract：OBJECTIVE:Cerebral syphilitic gummata are rare manifestations of tertiary, meningovascular syphilis. No extensive characterization of these lesions has been published recently, and only a few small reviews containing imaging findings have been published to date. To better characterize cerebral gummata, we present a cas...

journal_title：Neurosurgery

authors： Fargen KM,Alvernia JE,Lin CS,Melgar M

更新日期：2009-03-01 00:00:00

abstract：:The extent of treatment for the victims of gunshot wounds to the brain remains quite controversial, particularly when these patients present with extensive neurological dysfunction. We propose guidelines regarding the degree and aggressiveness of therapy. The factors that seem to have a significant impact on the patie...

journal_title：Neurosurgery

authors： Nagib MG,Rockswold GL,Sherman RS,Lagaard MW

更新日期：1986-05-01 00:00:00

abstract：OBJECTIVE:To assess the effects of Hyaloglide gel (or auto-cross-linked polysaccharide [ACP] gel; Fidia Advanced Biopolymers, Abano Terme, Italy), a hyaluronan-derivative polymer, on peripheral nerve scarring and nerve regeneration. METHODS:We performed two surgical procedures in adult rats: 1) neurolysis of the sciat...

journal_title：Neurosurgery

authors： Dam-Hieu P,Lacroix C,Said G,Devanz P,Liu S,Tadie M

更新日期：2005-04-01 00:00:00

abstract：:Anterior cervical instrumentation as an adjunct to bone fusion has an important role in cervical spine surgery. Posterior vertebral body cortex purchase is strongly recommended in the use of the Caspar system, although few biomechanical data exist to validate this requirement. In this study, Caspar screws were placed ...

journal_title：Neurosurgery

authors： Maiman DJ,Pintar FA,Yoganandan N,Reinartz J,Toselli R,Woodward E,Haid R

更新日期：1992-12-01 00:00:00

abstract：Background and importance:Pilocytic astrocytoma (PA) is among the most common of the central nervous system gliomas in the pediatric population; however, it is uncommon in adults. PAs of the spinal cord in adults are even rarer, with only a few cases found in the literature. We report here the first case in the literat...

journal_title：Neurosurgery

authors： Basheer A,Rammo R,Kalkanis S,Felicella MM,Chedid M

更新日期：2017-02-01 00:00:00

abstract：:Negative findings on four-vessel angiography after a subarachnoid hemorrhage are seen in 5 to 30% of patients. A previously silent lesion in the spinal canal may be responsible for the ictus in a small percentage of this group. The etiological factors include tumors and arteriovenous malformations; however, investigat...

journal_title：Neurosurgery

authors： Chalif DJ,Black K,Rosenstein D

更新日期：1990-10-01 00:00:00

abstract：BACKGROUND:Extent of resection (EOR) is well established as correlating with overall survival in patients with glioblastoma (GBM). The impact of EOR on reported quality metrics such as patient safety indicators (PSIs) and hospital-acquired conditions (HACs) is unknown. OBJECTIVE:To perform a retrospective study to eva...

journal_title：Neurosurgery

authors： Laurent D,Freedman R,Cope L,Sacks P,Abbatematteo J,Kubilis P,Bova F,Rahman M

更新日期：2020-05-01 00:00:00

abstract：OBJECTIVE AND IMPORTANCE:Intracranial germinomas often disseminate via the ventricular and subarachnoid pathways, but seeding to the perioptic arachnoid space is extremely unusual. We report two cases of recurrent germinoma seeding in the optic nerve. CLINICAL PRESENTATION:Two men with pure germinoma were initially tr...

journal_title：Neurosurgery

authors： Nakajima T,Kumabe T,Jokura H,Yoshimoto T

更新日期：2001-01-01 00:00:00

abstract：BACKGROUND:The standard treatment of resected brain metastasis is whole-brain radiotherapy (WBRT). To avoid the potential toxicity of WBRT and to improve local control, we have used radiosurgery alone to the surgical cavity. OBJECTIVE:To demonstrate the rates of local control, new intracranial metastasis, and overall ...

journal_title：Neurosurgery

authors： Robbins JR,Ryu S,Kalkanis S,Cogan C,Rock J,Movsas B,Kim JH,Rosenblum M

更新日期：2012-11-01 00:00:00

abstract：BACKGROUND AND IMPORTANCE:Comminuted sacral fractures present significant challenges for operative management. Open and percutaneous sacroiliac screws have been used for stabilization but carry not insignificant rates of complications, including wound infection for the former and malposition and neurological injury for...

journal_title：Neurosurgery

authors： Hong J,Spire WJ,Simmons NE

更新日期：2013-03-01 00:00:00

abstract：OBJECTIVE AND IMPORTANCE:We describe an alternative surgical technique for treatment of Chiari I malformation associated with ventral compression and instability of the region. An expansive suboccipital cranioplasty and a rigid occipitocervical fixation are performed in one stage. METHODS:The occipitocervical fixation...

journal_title：Neurosurgery

authors： Nishikawa M,Ohata K,Baba M,Terakawa Y,Hara M

更新日期：2004-06-01 00:00:00

abstract：:A study was undertaken to determine how frequently angiographic vasospasm occurs outside the normal access range of transcranial Doppler ultrasound in patients who have suffered a subarachnoid hemorrhage. Vasospasm located in the basal vessels is readily identifiable using transcranial Doppler ultrasound whereas spasm...

journal_title：Neurosurgery

authors： Newell DW,Grady MS,Eskridge JM,Winn HR

更新日期：1990-10-01 00:00:00

abstract：OBJECTIVE:To study the cerebral metabolism and its relationship to cerebral blood flow (CBF) acutely after subarachnoid hemorrhage (SAH). METHODS:SAH was induced in rats by endovascular perforation of the internal carotid artery, blood injection into the prechiasmatic cistern or the cisterna magna. CBF (measured by la...

journal_title：Neurosurgery

authors： Prunell GF,Mathiesen T,Svendgaard NA

更新日期：2004-02-01 00:00:00

abstract：OBJECTIVE:To determine the effects of a postoperative early isolated lumbar extension muscle-strengthening program on pain, disability, return to work, and power of back muscle after operation for herniated lumbar disc. METHODS:Seventy-five patients were randomized into an exercise group (20 men, 15 women) and a contr...

journal_title：Neurosurgery

authors： Choi G,Raiturker PP,Kim MJ,Chung DJ,Chae YS,Lee SH

更新日期：2005-10-01 00:00:00

abstract：BACKGROUND:Radiation exposure from diagnostic imaging is a significant concern, particularly in the care of pediatric patients. Computed tomography (CT) scanning is a significant source of radiation. OBJECTIVE:To demonstrate that diagnostic quality CT images can be obtained while minimizing the effective radiation dos...

journal_title：Neurosurgery

authors： Albert GW,Glasier CM

更新日期：2015-08-01 00:00:00

abstract：:Modern medical education in the Ottoman Empire began with the founding of the School of Medicine and Surgery in 1827. This was a military school established to provide military physicians for the army. The first neurosurgical interventions at this school were initiated by Cemil Pasha in 1889. This school has gradually...

journal_title：Neurosurgery

authors： Timurkaynak E,Izci Y,Acar F

更新日期：2006-03-01 00:00:00

abstract：BACKGROUND:Rathke cleft cysts (RCCs), benign remnants of the Rathke pouch typically arising in the sella, sometimes have suprasellar extension. Purely suprasellar RCCs are rarely reported. OBJECTIVE:To compare the presentations, surgical outcomes, and pathology of purely suprasellar RCCs and sellar-based RCCs. METHOD...

journal_title：Neurosurgery

authors： Potts MB,Jahangiri A,Lamborn KR,Blevins LS,Kunwar S,Aghi MK

更新日期：2011-11-01 00:00:00

abstract：:Although multiple cerebral aneurysms ae well recognized, a new aneurysm has only rarely been documented after successful treatment for an aneurysm elsewhere. In our consecutive series of 986 patients with intracranial saccular arterial aneurysm collected from 1975 to 1990, nine patients who had previously unverified (...

journal_title：Neurosurgery

authors： Sakaki T,Tominaga M,Miyamoto K,Tsunoda S,Hiasa Y

更新日期：1993-04-01 00:00:00

abstract：:The placement of the atrial portion of a ventriculoatrial shunt is occasionally rendered difficult by a tendency of the shunt catheter to pass into the contralateral jugular vein or into a subclavian vein instead of into the atrium. We report a simple flow-directed technique that may resolve this problem. ...

journal_title：Neurosurgery

authors： Barker FG 2nd,Tatter SB

更新日期：1994-09-01 00:00:00

abstract：BACKGROUND:Ten-year follow-up data from the US Food and Drug Administration investigational device exemption trial comparing BRYAN® Cervical Disc (Medtronic, Dublin, Ireland) arthroplasty to anterior cervical discectomy and fusion (ACDF) demonstrated that disc arthroplasty maintained range of motion and improvements in...

journal_title：Neurosurgery

authors： Ghobrial GM,Lavelle WF,Florman JE,Riew KD,Levi AD

更新日期：2019-02-01 00:00:00

abstract：:Respiratory problems occur commonly in association with severe head injury. Seven easily measured parameters for the diagnosis of respiratory insufficiency are outlined. Certain central and peripheral causes of insufficient ventilation are analyzed, including head trauma and drug overdose as central sources and aspira...

journal_title：Neurosurgery

authors： Frost EA

更新日期：1977-11-01 00:00:00

abstract：:A case of hemipontine hematoma from the rupture of a cryptic vascular malformation presenting as a cerebellopontine angle tumor is reported. The clinical features of and surgical approaches to partial pontine hematomas are briefly reviewed. ...

journal_title：Neurosurgery

authors： Russell B,Rengachary SS,McGregor D

更新日期：1986-07-01 00:00:00

abstract：:A neoplastic cerebral aneurysm from lung cancer is an extremely rare occurrence despite its high metastatic potential to the brain. We report a neoplastic cerebral aneurysm from small-cell lung carcinoma that caused an intracerebral hematoma. A 63-year-old man underwent an urgent craniotomy for a massive intracerebral...

journal_title：Neurosurgery

authors： Murata J,Sawamura Y,Takahashi A,Abe H,Saitoh H

更新日期：1993-01-01 00:00:00

abstract：:PURPOSE: To describe the design and performance of a novel frameless system for radiosurgery. This technology, called image-guided radiosurgery (IGR), eliminates the need for stereotactic frame fixation by relating the identified lesion to radiographic landmarks. CONCEPT: IGR uses a lightweight x-band linear accelerat...

journal_title：Neurosurgery

authors： Adler JR Jr,Murphy MJ,Chang SD,Hancock SL

更新日期：1999-06-01 00:00:00

abstract：OBJECTIVE:Ischemia plays an important role in the development of pathological changes in nerve tissue, and restoration of blood flow results in injury (ischemia/reperfusion [I/R] injury) mediated by toxic oxygen free radicals. Trapidil is currently used as a coronary artery vasodilating agent and is also used for the p...

journal_title：Neurosurgery

authors： Bagdatoglu C,Saray A,Surucu HS,Ozturk H,Tamer L

更新日期：2002-07-01 00:00:00

abstract：BACKGROUND:Chordomas are rare but challenging neoplasms involving the skull base. A preoperative grading system will be useful to identify both areas for treatment and risk factors, and correlate to the degree of resection, complications, and recurrence. OBJECTIVE:To propose a new grading system for cranial chordomas ...

journal_title：Neurosurgery

authors： Brito da Silva H,Straus D,Barber JK,Rostomily RC,Ferreira M Jr,Sekhar LN

更新日期：2018-09-01 00:00:00

abstract：BACKGROUND:Flow diversion is increasingly used to treat intracranial aneurysms. In previous reports, patients were pretreated with aspirin and clopidogrel before the intervention for the prevention of thromboembolic complications. OBJECTIVE:To assess the safety and efficacy of a new protocol for anticoagulation using ...

journal_title：Neurosurgery

authors： Chalouhi N,Jabbour P,Daou B,Starke RM,Shields B,Hasan DM

更新日期：2016-05-01 00:00:00

abstract：OBJECTIVE AND IMPORTANCE:We present a patient who experienced a subarachnoid hemorrhage secondary to a dissecting aneurysm of the right posteroinferior cerebellar artery (PICA). The use of an encircling clip in treating the aneurysm while preserving supply to brain stem perforators originating near the dissecting segme...

journal_title：Neurosurgery

authors： Jafar JJ,Kamiryo T,Chiles BW,Nelson PK

更新日期：1998-08-01 00:00:00

abstract：BACKGROUND:There are few objective measures of functional impairment to support clinical decision making in lumbar degenerative disc disease (DDD). OBJECTIVE:We present the validation (and reliability measures) of the Timed Up and Go (TUG) test. METHODS:In a prospective, 2-center study, 253 consecutive patients were ...

journal_title：Neurosurgery

authors： Gautschi OP,Smoll NR,Corniola MV,Joswig H,Chau I,Hildebrandt G,Schaller K,Stienen MN

更新日期：2016-08-01 00:00:00