Changes in hypothalamic met-enkephalin levels of rats induced by painful stimulation and morphine treatment.

abstract：:In this article, we use a case to illustrate and discuss some practically important learning points about programming subthalamic nucleus deep brain stimulation for Parkinson's disease patients and highlight clinically relevant issues resulting from anatomical and device-related anomalies. These include the phenomenon...

journal_title：Stereotactic and functional neurosurgery

authors： Dayal V,Akram H,Zrinzo L,Limousin P,Foltynie T

更新日期：2020-01-01 00:00:00

abstract：BACKGROUND:To maintain the efficacy of deep brain stimulation (DBS) on dystonic symptoms, slight incremental increase in voltage may be necessary over years after a steady state has been reached following the initial programming of optimal settings. So far however, no data are available regarding the adjustment of volt...

journal_title：Stereotactic and functional neurosurgery

authors： Blahak C,Capelle HH,Bäzner H,Kinfe T,Hennerici MG,Krauss JK

更新日期：2010-01-01 00:00:00

abstract：:Experimental studies indicate that deafferentation results in reorganization of the somatosensory map at various levels of the CNS, such that the representation of a body part adjacent to a region that is denervated expands into the deafferented area. Recent data suggest that in the human this occurs at the cortical l...

journal_title：Stereotactic and functional neurosurgery

authors： Kiss ZH,Dostrovsky JO,Tasker RR

更新日期：1994-01-01 00:00:00

abstract：BACKGROUND/AIMS:In subthalamic nucleus (STN) deep brain stimulation (DBS) lead implantation, it is still controversial whether it is more appropriate to employ indirect or direct methods in magnetic resonance imaging (MRI)-based tentative targeting and to select single- or multiple-track recording in electrophysiologic...

journal_title：Stereotactic and functional neurosurgery

authors： Koike Y,Shima F,Nakamizo A,Miyagi Y

更新日期：2008-01-01 00:00:00

abstract：:Great advances in imaging technology allows the surgeon to visualize the entire brain surface during surgery. However, the cerebral convolutions are extremely complex, so that it is often difficult to define the central area precisely. Using the curvilinear reconstruction technique (Gyroview) and MRI, we have analyzed...

journal_title：Stereotactic and functional neurosurgery

authors： Lee U,Bastos AC,Alonso-Vanegas MA,Morris R,Olivier A

更新日期：1998-01-01 00:00:00

abstract：BACKGROUND:The neuropathological consequences of Gamma Knife radiosurgery (GK) on hypothalamic hamartoma (HH) are unknown. OBJECTIVE:In a cohort of patients undergoing surgery for treatment-resistant epilepsy, we compared surgically resected HH tissue from patients without (group I; n = 19) and with (group II; n = 10)...

journal_title：Stereotactic and functional neurosurgery

authors： Kerrigan JF,Parsons A,Rice SG,Simeone K,Shetter AG,Abla AA,Prenger E,Coons SW

更新日期：2013-01-01 00:00:00

abstract：BACKGROUND:Deep brain stimulation (DBS) is widely used to treat advanced Parkinson's disease, other movement and psychiatric disorders. DBS implantation requires application of a stereotactic frame throughout a lengthy procedure, making it uncomfortable and tiring. We designed a stereotactic cube to stage the operation...

journal_title：Stereotactic and functional neurosurgery

authors： Eljamel MS,Tulley M,Spillane K

更新日期：2007-01-01 00:00:00

abstract：BACKGROUND:The results from thalamic deep brain stimulation (DBS) for atypical tremor syndromes including tremor from multiple sclerosis (MS) and stroke are often disappointing. Three recent case reports have suggested that simultaneous stimulation of multiple thalamic targets can result in sustained improvement in suc...

journal_title：Stereotactic and functional neurosurgery

authors： Lim DA,Khandhar SM,Heath S,Ostrem JL,Ringel N,Starr P

更新日期：2007-01-01 00:00:00

abstract：OBJECTIVES:To investigate the effects of low- and high-frequency deep brain stimulation (DBS) on the nucleus accumbens (ACC) and the adjacent internal capsule in 3 patients with obsessive-compulsive disorder (OCD) using blood oxygenation level-dependent (BOLD) functional magnetic resonance imaging (fMRI) under intraope...

journal_title：Stereotactic and functional neurosurgery

authors： Hiss S,Hesselmann V,Hunsche S,Kugel H,Sturm V,Maintz D,Visser-Vandewalle V,Liebig T,Maarouf M

更新日期：2015-01-01 00:00:00

abstract：:Computerized brain atlas is a new application area in the practical use of stereotactic neurosurgery. Our approach provides a solution for the straightforward definition of a coordinate system (CA-CP), localization of the selected target point, trepanation points and trajectory transformation of the stereotactic elect...

journal_title：Stereotactic and functional neurosurgery

authors： Sramka M,Ruzicky E,Novotny M

更新日期：1997-01-01 00:00:00

abstract：:Autologous transplantation of the superior cervical ganglion (SCG) into the caudate nuclei of 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine-induced parkinsonian monkey was studied in regard to animal behavior and catecholamine (CA) metabolites in cerebrospinal fluid. Monkeys which had undergone autotransplantation of t...

journal_title：Stereotactic and functional neurosurgery

authors： Nakai M,Itakura T,Komai N

更新日期：1990-01-01 00:00:00

abstract：BACKGROUND:Deep brain stimulation (DBS) and the proper target for chronic cluster headache (CCH) are still subjects of controversy. OBJECTIVES:We present our long-term results of analysis of the target and its structural connectivity. METHODS:Fifteen patients with drug-resistant CCH underwent DBS in coordinates 4 mm ...

journal_title：Stereotactic and functional neurosurgery

authors： Seijo-Fernandez F,Saiz A,Santamarta E,Nader L,Alvarez-Vega MA,Lozano B,Seijo E,Barcia JA

更新日期：2018-01-01 00:00:00

abstract：:To evaluate the role of Gamma Knife radiosurgery as the first surgical therapy in the management of medically refractory trigeminal neuralgia, we reviewed outcomes on our first 23 patients who had radiosurgery as primary surgical therapy. These patients represented 19% of our overall series. Mean patient age was 66 ye...

journal_title：Stereotactic and functional neurosurgery

authors： Kondziolka D,Lunsford LD,Flickinger JC

更新日期：1998-10-01 00:00:00

abstract：:We sought to identify optimal paradigms of bilateral globus pallidus internus (GPi) stimulation in 3 subsequent patients with severe cervical dystonia. At low frequency stimulation (50-60 Hz) with wide pulse width (500 micros) and high amplitude (4.5-8.0 V), we observed immediate and consistent improvement of dystonia...

journal_title：Stereotactic and functional neurosurgery

authors： Goto S,Mita S,Ushio Y

更新日期：2002-01-01 00:00:00

abstract：:Although technological advances have reduced device-related complications, DBS surgery still carries a significant risk of transient and permanent complications. We report our experience in 86 patients and 149 DBS implants. Patients with Parkinson's disease, essential tremor and dystonia were treated. There were 8 per...

journal_title：Stereotactic and functional neurosurgery

authors： Beric A,Kelly PJ,Rezai A,Sterio D,Mogilner A,Zonenshayn M,Kopell B

更新日期：2001-01-01 00:00:00

abstract：:Postoperative magnetic resonance imaging (MRI) of basal ganglia functional lesions illustrates the accuracy of preoperative target localization. The technique of perioperative MRI and CT localization for pallidotomy will be discussed and correlated with the center of the lesion on postoperative standard MRI as well as...

journal_title：Stereotactic and functional neurosurgery

authors： Lehman RM,Mezrich R,Sage J,Goldbe L

更新日期：1994-01-01 00:00:00

abstract：BACKGROUND/AIMS:Postoperative cerebral edema around a deep brain stimulation (DBS) electrode is an uncommon reported complication. The goal of this study was to identify instances of postoperative edema based on clinical presentation, and to remark on their management. METHODS:A retrospective chart review was performe...

journal_title：Stereotactic and functional neurosurgery

authors： Fenoy AJ,Villarreal SJ,Schiess MC

更新日期：2017-01-01 00:00:00

abstract：OBJECTIVE:This paper describes an Internet portal for stereotactic and functional neurosurgery with a probabilistic functional atlas (PFA) calculated from electrophysiological and neuroimaging data. This portal enables (1) data sharing among neurosurgeons; (2) the calculation of probabilistic functional maps of stereot...

journal_title：Stereotactic and functional neurosurgery

authors： Nowinski WL,Belov D,Benabid AL

更新日期：2002-01-01 00:00:00

abstract：BACKGROUND:Directional leads are increasingly used in deep brain stimulation. They allow shaping the electrical field in the axial plane. These new possibilities increase the complexity of programming. Thus, optimized programming approaches are needed to assist clinical testing and to obtain full clinical benefit. OBJ...

journal_title：Stereotactic and functional neurosurgery

authors： Kramme J,Dembek TA,Treuer H,Dafsari HS,Barbe MT,Wirths J,Visser-Vandewalle V

更新日期：2020-10-20 00:00:00

abstract：BACKGROUND:Balloon compression of the gasserian ganglion has been a well-established percutaneous treatment of trigeminal neuralgia since the 1980s. However, puncture of the foramen ovale by conventional single-plane fluoroscopy can be difficult in cases of local anatomic abnormalities. CASE PRESENTATION:We present th...

journal_title：Stereotactic and functional neurosurgery

authors： Mendes PD,Martins da Cunha PH,Monteiro KKO,Quites LV,Fonseca Filho GA

更新日期：2020-09-16 00:00:00

abstract：:Six cases of acoustic neurinomas with macrocystic components are presented. In three cases the cystic portion was within the tumor, while in the other three, the cyst was peritumoral, in the form of a cul-de-sac within the arachnoid, in other words it was not a true tumor cyst. The six tumors are from a series of 74 a...

journal_title：Stereotactic and functional neurosurgery

authors： Pendl G,Ganz JC,Kitz K,Eustacchio S

更新日期：1996-01-01 00:00:00

abstract：PURPOSE:Gamma knife (GK) radiosurgery for trigeminal neuralgia (TN) has been effective in 50-80% of cases when using a single 4-mm collimator and a maximum dose of 60-90 Gy. Attempting to improve the response rate by increasing the dose may lead to increased risk of facial numbness or disturbed sensation. Combined use ...

journal_title：Stereotactic and functional neurosurgery

authors： Kanner AA,Neyman G,Suh JH,Weinhous MS,Lee SY,Barnett GH

更新日期：2004-01-01 00:00:00

abstract：:In this study, we investigated the efficacy of brachytherapy in the treatment of 138 patients with intracranial neoplasms of the CNS. Of the total number of patients, 50 presented with glioblastoma multiforme, 45 presented with low-grade glioma, 19 presented with anaplastic astrocytoma, 23 presented with metastases an...

journal_title：Stereotactic and functional neurosurgery

authors： Teixeira MJ,Lepski G,Correia C,Aguiar PH

更新日期：2003-01-01 00:00:00

abstract：BACKGROUND:The goal of this study is to retrieve the attention to the treatment opportunities for this cohort of intractable bitemporal epilepsy patients who in most cases are not considered optimal candidates for surgery. OBJECTIVES:The purpose of this study is to demonstrate that electrophysiologically guided precis...

journal_title：Stereotactic and functional neurosurgery

authors： Chkhenkeli SA,Šramka M,Rakviashvili TN,Lortkipanidze GS,Magalashvili GE,Bregvadze ESh,Otarashvili A,Gagoshidze TSh

更新日期：2013-01-01 00:00:00

abstract：:Ki67 (also known as MIB) is a monoclonal antibody staining agent, which is routinely used as a marker of cellular proliferation. It is used to evaluate the proliferative potential of malignant tumors, since it is thought to stain only those cells undergoing active division. The paradoxical elevation of the Ki67 labeli...

journal_title：Stereotactic and functional neurosurgery

authors： Jennelle R,Gladson C,Palmer C,Guthrie B,Markert J

更新日期：1999-01-01 00:00:00

abstract：:Background: Trigeminal neuralgia (TN) is mostly caused by vascular compression of the nerve's root entry zone due to an ectatic artery. Rarer causes include compression from tumors, vascular malformations or multiple sclerosis plaques. Developmental venous anomalies (DVAs) are benign, aberrantly appearing venous struc...

journal_title：Stereotactic and functional neurosurgery

authors： Harrison G,Lunsford LD,Monaco Iii EA

更新日期：2015-01-01 00:00:00

abstract：BACKGROUND:Adjustment of the motor circuitry has been described in the treatment of Parkinson disease (PD). OBJECTIVES:To evaluate the modulation of the motor circuitry of PD patients by subthalamic deep brain stimulation (STN DBS) using 18F-fluorodeoxyglucose (FDG) and positron emission tomography (PET). METHODS:Res...

journal_title：Stereotactic and functional neurosurgery

authors： Cao C,Zhang H,Li D,Zhan S,Zhang J,Zhang X,Zuo C,Sun B

更新日期：2017-01-01 00:00:00

abstract：:The first Gamma Knife was installed in Stockholm in 1968 after nearly two decades of development. Following the opening of the Gamma Knife facility in Pittsburgh in 1987, radiosurgery has seen an explosive expansion. Along with this expansion there has been a development of alternative technologies, of which the most ...

journal_title：Stereotactic and functional neurosurgery

authors： Leksell DG

更新日期：1993-01-01 00:00:00

abstract：INTRODUCTION:Evidence has been provided that the subiculum may play an important role in the generation of seizures. Electrical stimulation at this target has been reported to have anticonvulsive effects in kindling and pilocarpine rat models, while in a clinical study of hippocampal deep brain stimulation (DBS), conta...

journal_title：Stereotactic and functional neurosurgery

authors： Vázquez-Barrón D,Cuéllar-Herrera M,Velasco F,Velasco AL

更新日期：2020-10-28 00:00:00

abstract：OBJECTIVES:We prospectively investigated the efficacy of corticosteroid medication in salvaging acute hearing deterioration after radiosurgery for vestibular schwannoma (VS) and analyzed prognostic factors for hearing preservation. METHODS:Forty-one patients with serviceable hearing treated with gamma knife radiosurge...

journal_title：Stereotactic and functional neurosurgery

authors： Kim JW,Kim DG,Paek SH,Chung HT,Kim YH,Han JH,Park CK,Jung HW

更新日期：2011-01-01 00:00:00