abstract：:Current Procedural Terminology (CPT) standardizes medical procedure coding for billing and reimbursement. Since adoption of CPT coding as the basis for the Medicare Fee Schedule (MFS) in 1992, CPT coding policies and policy changes have been influenced not only by medical necessity and customary practice, but also inc...

journal_title：Neurosurgical focus

authors： Bean JR

更新日期：2002-04-15 00:00:00

abstract：:There will be major scientific advances and socioeconomic changes in the 21st century that will influence the development of medicine and neurosurgery. These changes will affect those in academic medical centers and the private practitioners of medicine and neurosurgery. Neurosurgeons' philosophy and practice methods ...

journal_title：Neurosurgical focus

authors： Ausman JI,Pawl RP

更新日期：2002-04-15 00:00:00

abstract：OBJECT:The percentage of patients responding to conservative treatment for cervical radiculopathy secondary to nerve root compression is not well quantified. To clarify this question, the authors retrospectively reviewed the records obtained over a 4-year period in patients with cervical radiculopathy to determine thei...

journal_title：Neurosurgical focus

authors： Olivero WC,Dulebohn SC

更新日期：2002-02-15 00:00:00

abstract：OBJECT:Anterior cervical discectomy (ACD) is an effective and safe treatment for nerve root or spinal cord compression caused by disc herniation or spondylosis. Cervical interbody fusion allows preservation of the physiological lordosis and stability of the cervical spine. Based on data reported in the literature, fusi...

journal_title：Neurosurgical focus

authors： Assietti R,Beretta F,Arienta C

更新日期：2002-01-15 00:00:00

abstract：OBJECT:The relatively stationary anatomy of the intracranial compartment has allowed the development of stereotactic radiosurgery as an effective treatment option for many intracranial lesions. Difficulty in accurately tracking extracranial targets has limited its development in the treatment of these lesions. The abil...

journal_title：Neurosurgical focus

authors： Ryken TC,Meeks SL,Traynelis V,Haller J,Bouchet LG,Bova FJ,Pennington EC,Buatti JM

更新日期：2001-12-15 00:00:00

abstract：:Lumbar discectomy is the most common surgical procedure performed in neurosurgery clinics. Such a large number of procedures underscore not only the prevalence of conditions such as intervertebral disc herniation, but also the strong belief of surgeons that the operation does provide benefits to patients suffering fro...

journal_title：Neurosurgical focus

authors： Erman T,Tuna M,Göçer AI,Idan F,Akgül E,Zorludemir S

更新日期：2001-11-15 00:00:00

abstract：:Over the past century pituitary surgery has undergone multiple revolutions in surgical technique and technological advancements that have resulted in what is now recognized as modern transsphenoidal surgery. Although the procedure is well established in the current neurosurgical literature, the historical maze that le...

journal_title：Neurosurgical focus

authors： Gandhi CD,Post KD

更新日期：2001-10-15 00:00:00

abstract：OBJECT:Tumors of the lateral ventricle can be removed via two major approaches: the transcallosal or the transcortical route. The purpose of this study is to discuss the techniques and outcomes in transcortical surgery of tumors located in the lateral ventricle. METHODS:An experience with 29 consecutive lateral ventri...

journal_title：Neurosurgical focus

authors： Ellenbogen RG

更新日期：2001-06-15 00:00:00

abstract：:The widespread use of fusion procedures in the management of spinal disorders has led investigators to explore the use of growth and differentiation factors in such procedures. As an adjuvant to allograft bone or as a replacement for harvested autograft, bone morphogenetic proteins (BMPs) appear to improve fusion rate...

journal_title：Neurosurgical focus

authors： Subach BR,Haid RW,Rodts GE,Kaiser MG

更新日期：2001-04-15 00:00:00

abstract：OBJECT:Chordomas have a high propensity for local recurrence and progression, as well as for systemic and cerebrospinal fluid metastasis. The authors identified and analyzed a series of patients with chordomas, focusing on an underrecognized entity--surgical seeding. METHODS:In a retrospective analysis of 82 patients ...

journal_title：Neurosurgical focus

authors： Arnautović KI,Al-Mefty O

更新日期：2001-03-15 00:00:00

abstract：OBJECT:The authors undertook a study to compare two intraoperative imaging modalities, low-field magnetic resonance (MR) imaging and a prototype of a three-dimensional (3D)-navigated ultrasonography in terms of imaging quality in lesion detection and intraoperative resection control. METHODS:Low-field MR imaging was u...

journal_title：Neurosurgical focus

authors： Tronnier VM,Bonsanto MM,Staubert A,Knauth M,Kunze S,Wirtz CR

更新日期：2001-02-15 00:00:00

abstract：:Herniated thoracic discs, unlike their lumbar counterparts, are difficult to read and safely resect using traditional posterior approaches. Historically, the use of a laminectomy for thoracic disc resection has yielded poor clinical outcomes. Posterolateral and anterolateral approaches have become the standard surgica...

journal_title：Neurosurgical focus

authors： Angevin PD,McCormick PC

更新日期：2001-01-15 00:00:00

abstract：OBJECT:The authors investigated immunogene therapy for malignant glioma to determine whether its therapeutic efficacy could be improved. METHODS:Four groups of 203-glioma-bearing mice were treated with injections of phosphate-buffered saline, Semliki Forest virus (SFV)-LacZ, retrovirus vector DFG-interleukin (IL)-12, ...

journal_title：Neurosurgical focus

authors： Yamanaka R,Zullo SA,Tanaka R,Ramsey J,Blaese M,Xanthopoulos KG

更新日期：2000-12-15 00:00:00

abstract：:Recent technical advances have revolutionized the fields of surgical endoscopy, laparoscopy, thoracoscopy, and microsurgical spinal endoscopy. The authors discuss the rich history and recent evolution of these techniques. Thoracoscopy had been widely used for the treatment of pleural conditions associated with tubercu...

journal_title：Neurosurgical focus

authors： Das K,Rothberg M

更新日期：2000-10-15 00:00:00

abstract：:The transthoracic approach to herniated thoracic discs is an important procedure in the management of these uncommonly encountered lesions. Whereas posterior and posterolateral microsurgical approaches and thoracoscopic procedures have been widely advocated in the recent neurosurgical literature, the transthoracic ope...

journal_title：Neurosurgical focus

authors： Vollmer DG,Simmons NE

更新日期：2000-10-15 00:00:00

abstract：OBJECT:Multiple brain metastases are a common health problem, frequently found in patients with cancer. The prognosis, even after treatment with whole-brain radiation therapy (WBRT), is poor, with an average expected survival time of less than 6 months. Investigators at numerous centers have evaluated the role of stere...

journal_title：Neurosurgical focus

authors： Kondziolka D,Patel A,Lunsford LD,Flickinger JC

更新日期：2000-08-15 00:00:00

abstract：:Subarachnoid-pleural fistula is a rare type of cerebrospinal fluid (CSF) fistula, and there are only several cases reported in the literature. The authors describe a 65-year-old male patient in whom a diagnosis of T7-8 disc herniation had been made. He underwent surgery via a right lateral extracavitary approach. Post...

journal_title：Neurosurgical focus

authors： Ozgen S,Boran BO,Elmaci I,Ture U,Pamir MN

更新日期：2000-07-15 00:00:00

abstract：:Acute ischemic stroke is now considered a neurological emergency for which there are new therapies. Neurosurgeons and neurologists need to remain apprised of advances in this field. The authors discuss approved and emerging therapies for patients suffering from acute ischemic stroke, based on a review of recent public...

journal_title：Neurosurgical focus

authors： Kindler DD,Lopez GA,Worrall BB,Johnston KC

更新日期：2000-05-15 00:00:00

abstract：:In this paper the author summarizes currently available surgical approaches to spinal syringomyelia that is unrelated to Chiari I malformation or hindbrain descent. Primary spinal syringomyelia is most commonly associated with spinal trauma but is also encountered as a sequela to intradural inflammatory processes (inf...

journal_title：Neurosurgical focus

authors： Batzdorf U

更新日期：2000-03-15 00:00:00

abstract：:Traumatic intracranial aneurysms are rare, occurring in fewer than 1% of patients with cerebral aneurysms. They can occur following blunt or penetrating head trauma and are more common in the pediatric population. Traumatic aneurysms can be categorized histologically as true, false, or mixed, with false aneurysms bein...

journal_title：Neurosurgical focus

authors： Larson PS,Reisner A,Morassutti DJ,Abdulhadi B,Harpring JE

更新日期：2000-01-15 00:00:00

abstract：:Correction of rigid scoliotic deformities involving the thoracic spine has required that a thoracotomy be performed to obtain anterior release to mobilize the deformity, as well as placement of corrective spinal instrumentation either via a separate posterior or anterior thoracic approach. To the best of the author's ...

journal_title：Neurosurgical focus

authors： Dickman CA

更新日期：1999-11-15 00:00:00

abstract：:Shunt systems with differential pressure valves are prone to the complications of overdrainage. A programmable valve permits adjustment of the opening pressure of the valve. In this paper the authors report the incidence of subdural fluid collections in a randomized trial of programmable compared with conventional val...

journal_title：Neurosurgical focus

authors： Carmel PW,Albright AL,Adelson PD,Canady A,Black P,Boydston W,Kneirim D,Kaufman B,Walker M,Luciano M,Pollack IF,Manwaring K,Heilbrun MP,Abbott IR,Rekate H

更新日期：1999-10-15 00:00:00

abstract：:Medulloblastoma and primitive neuroectodermal tumors (PNETs) are the most common malignant brain tumors in children. The concern for late sequelae of neuraxis irradiation and the obligation to improve disease-free survival in children who harbor malignant brain tumors has led to the additional provision of systemic ch...

journal_title：Neurosurgical focus

authors： Gold DR,Packer RJ,Cohen BH

更新日期：1999-08-15 00:00:00

abstract：:Chiari malformation is a developmental disorder that is often associated with other abnormalities of the cerebrospinal axis. Despite widespread recognition of this association, there is relatively little information on the treatment of these coexisting disorders in the setting of cerebellar tonsillar ectopia. In an ef...

journal_title：Neurosurgical focus

authors： Greenlee J,Garell PC,Stence N,Menezes AH

更新日期：1999-06-15 00:00:00

abstract：:The authors describe a new piece of equipment that enables simultaneous monitoring of the endoscopic image and unilateral microscopic image; that is, "picture-in-picture" images for endoscope-assisted microsurgery. The system is simple and purely optical, consisting of light-weight semi-rigid fibers and a special adap...

journal_title：Neurosurgical focus

authors： Seki Y,Umezu H,Usui M,Tsumanuma T,Nakatate K

更新日期：1999-04-15 00:00:00

abstract：:Endoscopic surgery represents a new and very useful modality of treatment for intracranial cysts. The authors review the cases of 19 patients with intracranial malformative CSF cysts (seven intraventricular, six paraventricular, and six arachnoid) who underwent endoscopic fenestration by using a burr-hole approach. Th...

journal_title：Neurosurgical focus

authors： Gangemi M,Maiuri F,Colella G,Sardo L

更新日期：1999-04-15 00:00:00

abstract：:The study of carotid artery occlusive disease interventions can be divided clinically into the treatment of asymptomatic and symptomatic diseases. Clinical trials that have studied or are currently studying asymptomatic disease include: the Carotid Artery Stenosis with Asymptomatic Narrowing Operation Versus Aspirin s...

journal_title：Neurosurgical focus

authors： Brennan JJ,Loftus CM

更新日期：1998-12-15 00:00:00

abstract：:The authors report the case of a 30-year-old woman who was a long-term intranasal cocaine abuser and who presented with transient ischemic attacks and multiple cerebral infarctions that were associated with moyamoya syndrome. The authors suggest that, because of its sympathomimetic effects, chronic cocaine use may pro...

journal_title：Neurosurgical focus

authors： Schwartz MS,Scott RM

更新日期：1998-11-15 00:00:00

abstract：:In the treatment of acoustic neuroma, operative results have improved greatly during recent years, with high rates of functional cranial nerve preservation. Because of this, it has become more important to consider issues of patient satisfaction and quality of life (QOL) following treatment for these lesions. The auth...

journal_title：Neurosurgical focus

authors： Schwartz MS,Riddle SA,Delashaw JB Jr,Horgan MA,Kellogg JX,McMenomey SO

更新日期：1998-09-15 00:00:00

abstract：:Although the expectation of monetary compensation has been associated with failures in lumbar discectomy, the issue has not been investigated in patients undergoing cervical disc surgery. The authors analyzed the relationship between economic forms of secondary gain and surgical outcome in a group of patients with a c...

journal_title：Neurosurgical focus

authors： Kaptain GJ,Shaffrey CI,Alden TD,Young JN,Whitehill R

更新日期：1998-08-15 00:00:00

abstract：:In January 1994, the Guidelines and Outcomes Committee of the American Association of Neurological Surgeons (AANS) issued a charge to develop practice parameters to treat adult patients with low-grade glioma (LGG). This area of study was chosen because of a similar interest on the part of the American Academy of Neuro...

journal_title：Neurosurgical focus

authors： Low-Grade Glioma Guidelines Team in association with the Guidelines and Outcomes Committee of the American Association of Neurological Surgeons.

更新日期：1998-06-15 00:00:00

abstract：:Resection of intramedullary spinal cord tumors carries a high risk for surgical damage to the motor pathways. This surgery is therefore optimal for testing the performance of intraoperative motor evoked potential (MEP) monitoring. This report attempts to provide evidence for the accurate representation of patients' pr...

journal_title：Neurosurgical focus

authors： Kothbauer KF,Deletis V,Epstein FJ

更新日期：1998-05-15 00:00:00

abstract：:In an effort to make thoracic discectomy simple and less invasive while using direct visualization, a 70 degrees -angled lens endoscope has been adopted to visualize the ventral aspect of the spinal cord dura mater during microsurgical thoracic discectomy via a transpedicular approach. The patient is positioned in a 6...

journal_title：Neurosurgical focus

authors： Jho HD

更新日期：1998-02-15 00:00:00

abstract：:High-flow microinfusion is a novel technique for delivery of compounds directly into the brain parenchyma, bypassing the blood-brain barrier. The feasibility of this technique has been demonstrated with low-molecular-weight compounds, macromolecular dyes, and proteins. Delivery of antisense oligonucleotides into the b...

journal_title：Neurosurgical focus

authors： Broaddus WC,Prabhu SS,Gillies GT,Neal J,Conrad WS,Chen ZJ,Fillmore H,Young HF

更新日期：1997-11-15 00:00:00

abstract：:Degenerative lumbar spinal stenosis is a common condition affecting middle-aged and elderly people. Significant controversy exists concerning the appropriate indications for fusion following decompressive surgery. The purpose of this report is to compare the clinical outcomes of patients who were and were not treated ...

journal_title：Neurosurgical focus

authors： Fox MW,Onofrio BM

更新日期：1997-08-15 00:00:00

abstract：:Electrodiagnostic testing in patients who have upper-extremity symptoms, which may include carpal tunnel syndrome (CTS), has been the gold standard for diagnosis for many years. Despite their value, these tests are underutilized. The authors examined the use patterns of electrodiagnostic testing at the University of V...

journal_title：Neurosurgical focus

authors： Phillips LH 2nd,Juel VC

更新日期：1997-07-15 00:00:00

abstract：:With the aid of a computer model, this investigation describes the relationship between mean arterial pressure (MAP) reduction and its effect on total arteriovenous malformation (AVM) shunt flow, feeding artery velocities, and cerebral blood flow in hypotensive, structurally normal vascular beds adjacent to the AVM ni...

journal_title：Neurosurgical focus

authors： Gao E,Young WL,Pile-Spellman J,Ornstein E,Ma Q

更新日期：1997-06-15 00:00:00

abstract：:The goals of this study were to analyze the effect of pallidotomy on parkinsonian tremor and to ascertain whether an association exists between microrecording findings and tremor outcome. Forty-four patients with Parkinson's disease (PD) who had drug-induced dyskinesia, bradykinesia, rigidity, and tremor underwent pos...

journal_title：Neurosurgical focus

authors： Taha JM,Favre J,Baumann TK,Burchiel KJ

更新日期：1997-03-15 00:00:00

abstract：:Occipital plagiocephaly caused by lambdoid synostosis is rare. Positional flattening is more common and will most often respond to conservative measures. Surgical correction of a flat occiput is warranted if the deformity is profound. Skull molding devices may be effective for treating mild abnormalities but are ineff...

journal_title：Neurosurgical focus

authors： Lin KY,Polin RS,Gampper T,Jane JA

更新日期：1997-02-15 00:00:00

abstract：:Forty-four patients with cervical spondylotic myelopathy who underwent a ventral surgical approach were evaluated with respect to the results of surgery. The neurological status of the patients was categorized according to the modified Japanese Orthopedic Association scale (0-18). Three patients had a functional score...

journal_title：Neurosurgical focus

authors： Naderi S,Alberstone CD,Rupp FW,Benzel EC,Baldwin NG

更新日期：1996-12-15 00:00:00