abstract：OBJECT:Vertebroplasty and kyphoplasty are minimally invasive procedures used to treat persistently symptomatic vertebral compression fractures (VCFs). Both interventions usually involve injection of polymethyl methacrylate (PMMA). The purpose of this technical note was to review the theory and surgical technique for a ...

journal_title：Neurosurgical focus

authors： Lam S,Khoo LT

更新日期：2005-03-15 00:00:00

abstract：OBJECT:Coil embolization of aneurysms has been shown to be as safe and effective as surgical clip ligation, but has a higher recurrence rate. Advances in coil technology aim to reduce aneurysm recurrence by coating the devices with biological substances. An example of this is MicroVention's HydroCoil, which is a platin...

journal_title：Neurosurgical focus

authors： Deshaies EM,Bagla S,Agner C,Boulos AS

更新日期：2005-02-15 00:00:00

abstract：:In this review of the literature the goal was to determine the frequency and relevance of hemodynamic instability after carotid artery (CA) angioplasty and stent placement. Hemodynamic instability after CA angioplasty and stent placement is a well-recognized phenomenon that occurs in 29 to 51% of patients undergoing t...

journal_title：Neurosurgical focus

authors： Gupta R,Horowitz M,Jovin TG

更新日期：2005-01-15 00:00:00

abstract：:The authors present three cases of iatrogenic paracervical abscesses caused by infiltration therapy of pain medications used in conservative treatment in patients with chronic cervicobrachialgia. All three patients had received this therapy several times before presenting with clinical signs of a local infection. The ...

journal_title：Neurosurgical focus

authors： Schütze M,Piek J

更新日期：2004-12-15 00:00:00

abstract：:Since the publication of preliminary results from the International Study of Unruptured Intracranial Aneurysms in 1998 there has been a great deal of debate concerning the natural history of these lesions and their attendant risk of aneurysmal subarachnoid hemorrhage. Therefore, the authors reviewed a selected number ...

journal_title：Neurosurgical focus

authors： Mocco J,Komotar RJ,Lavine SD,Meyers PM,Connolly ES,Solomon RA

更新日期：2004-11-15 00:00:00

abstract：OBJECT:Management of disease in patients undergoing neurosurgical treatment for tumors requires balancing the competing risks of hemorrhage and thrombosis. The authors compared the incidence of clinically apparent deep venous thrombosis (DVT) and pulmonary embolism (PE) in patients admitted for treatment of intracrania...

journal_title：Neurosurgical focus

authors： Smith SF,Simpson JM,Sekhon LH

更新日期：2004-10-15 00:00:00

abstract：OBJECT:An experimental study was performed to determine the biomechanical end-mounting configurations that replicate in vivo physiological motion of the cervical spine in a multiple-level human cadaveric model. The vertebral motion response for the modified testing protocol was compared to in vivo motion data and tradi...

journal_title：Neurosurgical focus

authors： DiAngelo DJ,Foley KT

更新日期：2004-09-15 00:00:00

abstract：OBJECT:Jugular foramen tumors are rare skull base lesions that present diagnostic and complex management problems. The purpose of this study was to evaluate a series of patients with jugular foramen tumors who were surgically treated in the past 16 years, and to analyze the surgical technique, complications, and outcom...

journal_title：Neurosurgical focus

authors： Ramina R,Maniglia JJ,Fernandes YB,Paschoal JR,Pfeilsticker LN,Neto MC,Borges G

更新日期：2004-08-15 00:00:00

abstract：:Deep brain stimulation (DBS) has a record of safety and efficacy for an expanding range of indications. Recently,the Food and Drug Administration provided approval through a Humanitarian Device Exemption for DBS of the globus pallidus internus and subthalamic nucleus for the treatment of dystonia. There is increasing ...

journal_title：Neurosurgical focus

authors： Montgomery EB Jr

更新日期：2004-07-15 00:00:00

abstract：:Iatrogenic intervertebral disc space infection is encountered following microsurgical discectomy, percutaneous laser disc decompression, automated percutaneous lumbar nucleotomy operations, and discography. The purpose of this paper is to present a case report and review the literature on the uncommon origins of pyoge...

journal_title：Neurosurgical focus

authors： Taşdemiroğlu E,Sengöz A,Bagatur E

更新日期：2004-06-15 00:00:00

abstract：:Chronic subarachnoid hemorrhage may cause deposition of hemosiderin on the leptomeninges and subpial layers of the neuraxis, leading to superficial siderosis (SS). The symptoms and signs of SS are progressive and fatal. Exploration of potential sites responsible for intrathecal bleeding and subsequent hemosiderin depo...

journal_title：Neurosurgical focus

authors： Cohen-Gadol AA,Krauss WE,Spinner RJ

更新日期：2004-05-15 00:00:00

abstract：:The diagnosis and treatment of a patient with a pituitary adenoma or another type of pituitary lesion requires a team approach involving the neurosurgeon, endocrinologist, primary care physician, and, in some patients, an ophthalmologist and radiation therapist. The diagnosis of excessive pituitary hormone secretion a...

journal_title：Neurosurgical focus

authors： Vance ML

更新日期：2004-04-15 00:00:00

abstract：:Spinal epidural lipomatosis is most commonly observed in patients receiving long-term exogenous steroid therapy, but can also be seen in patients with endogenous steroid overproduction, obesity, or idiopathic disease. With this condition, there is hypertrophy of the epidural adipose tissue, causing a narrowing of the ...

journal_title：Neurosurgical focus

authors： Fassett DR,Schmidt MH

更新日期：2004-04-15 00:00:00

abstract：OBJECT:The purpose of this study was to evaluate the performance of a resorbable polylactide film in the sheep posterior spine in the presence of a combined laminectomy and durotomy defect. METHODS:A resorbable polylactide film was used to cover the combined defects in the eight sheep used in this study. Two surgical ...

journal_title：Neurosurgical focus

authors： Klopp LS,Welch WC,Tai JW,Toth JM,Cornwall GB,Turner AS

更新日期：2004-03-15 00:00:00

abstract：OBJECT:Resorbable polymer implants have become a compelling option in the treatment of acquired and congenital craniofacial deformities. In particular, the resorbable polylactide and polyglycolide polymers have demonstrated excellent safety profiles in multiple in vitro, animal, and clinical studies and are currently b...

journal_title：Neurosurgical focus

authors： Cohen SR,Holmes RE,Meltzer HS,Levy ML,Beckett MZ

更新日期：2004-03-15 00:00:00

abstract：OBJECT:The goal of this paper is to elucidate the clinical presentation of tethered cord syndrome (TCS) following repair of a myelomeningocele. METHODS:Approximately 10 to 30% of children will develop TCS following repair of a myelomeningocele. Because essentially all children with repaired myelomeningocele will have ...

journal_title：Neurosurgical focus

authors： Hudgins RJ,Gilreath CL

更新日期：2004-02-15 00:00:00

abstract：:There is a paucity of surviving texts from ancient and medieval times that can shed light on the early development of spine surgery. Nevertheless, the author reviews many of the available books and fragments and discusses early developments in the field of spine surgery from the point of view of physicians' personalit...

journal_title：Neurosurgical focus

authors： Goodrich JT

更新日期：2004-01-15 00:00:00

abstract：:The development of alternative approaches to spine disorders marked an evolutionary change in the methods by which surgeons address diseases that affect the ventral portion of the spine. From the advent of spinal surgery until quite recently, physicians used posterior approaches almost exclusively for the treatment of...

journal_title：Neurosurgical focus

authors： Lifshutz J,Lidar Z,Maiman D

更新日期：2004-01-15 00:00:00

abstract：:Intensive care of the patient with traumatic brain injury centers on control of intracranial pressure and cerebral perfusion pressure (CPP). The optimal CPP by definition delivers an adequate supply of blood and oxygen to meet the metabolic demands of brain tissue. A great deal of controversy exists regarding the opti...

journal_title：Neurosurgical focus

authors： Vespa P

更新日期：2003-12-15 00:00:00

abstract：OBJECT:Tumors involving the cervicothoracic junction can have a high propensity for causing instability, with kyphosis and spinal cord compression resulting. Treatment with decompression only can lead to further instability and worsening neurological status. In this article, the authors review their surgical experience...

journal_title：Neurosurgical focus

authors： Le H,Balabhadra R,Park J,Kim D

更新日期：2003-11-15 00:00:00

abstract：OBJECT:The goal of this study was to review the management of intra- and extradural ependymomas. Spinal ependymomas most commonly occur as intramedullary tumors throughout the spinal axis. In the lumbosacral region, ependymomas are most commonly associated with the conus medullaris and cauda equina, but can also occur ...

journal_title：Neurosurgical focus

authors： Fassett DR,Schmidt MH

更新日期：2003-11-15 00:00:00

abstract：:Interventional neuroradiology is a less invasive modality than open neurosurgery for the treatment of a wide range of neurovascular disorders. Refinements in technique and improvements in the design of microcatheters, guide wires, and embolic materials have yielded superior clinical outcomes and provided an impetus to...

journal_title：Neurosurgical focus

authors： Ng PP,Higashida RT,Cullen S,Malek R,Halbach VV,Dowd CF

更新日期：2003-10-15 00:00:00

abstract：:Revision spinal surgery is usually indicated in cases of persistent or recurrent symptoms related to neural compression, spinal deformity, or construct failure. An understanding of fundamental biomechanical principles of both spinal decompression and reconstructive strategies is essential to avoid unnecessary subseque...

journal_title：Neurosurgical focus

authors： Schlenk RP,Stewart T,Benzel EC

更新日期：2003-09-15 00:00:00

abstract：OBJECT:Experience with minimal-access surgical approaches for revision lumbar surgery has not been previously reported. METHODS:During a 7-month period, 10 consecutive patients with recurrent disc herniations underwent revision operations in which microendoscopic discectomy (MED) was performed. Perioperative data and ...

journal_title：Neurosurgical focus

authors： Le H,Sandhu FA,Fessler RG

更新日期：2003-09-15 00:00:00

abstract：:Sacral chordomas are relatively rare, locally invasive, malignant neoplasms. Although metastasis is infrequent at presentation, the prognosis for patients with chordoma of the sacrum is reported to be poor and attributable in most cases to intralesional resection. The value of adjuvant treatment is uncertain, and rese...

journal_title：Neurosurgical focus

authors： Fourney DR,Gokaslan ZL

更新日期：2003-08-15 00:00:00

abstract：OBJECT:The surgical treatment of tumors located near eloquent cortex carries a high risk of inducing worsening neurological deficits. Intraoperative electrocorticography techniques have been developed to help identify these areas at the time of surgery in an effort to minimize such risks. The optimal anesthetic techniq...

journal_title：Neurosurgical focus

authors： Vitaz TW,Marx W,Victor JD,Gutin PH

更新日期：2003-07-15 00:00:00

abstract：OBJECT:Clinoidal meningiomas remain a major neurosurgical challenge. Surgery-related outcome has been less than desirable in the past, and little attention has been directed toward improving visual deficits. The authors advocate a skull base technique for the removal of these difficult tumors and describe its advantage...

journal_title：Neurosurgical focus

authors： Tobias S,Kim CH,Kosmorsky G,Lee JH

更新日期：2003-06-15 00:00:00

abstract：OBJECT:Hemangiopericytomas represent a small subset of meningeal tumors. Despite their relatively uncommon nature, they are aggressive tumors known for recurrence. Resection is the standard treatment in most, although regrowth and metastases are common even after resection. The authors evaluate the role of stereotactic...

journal_title：Neurosurgical focus

authors： Chang SD,Sakamoto GT

更新日期：2003-05-15 00:00:00

abstract：OBJECT:Nonfunctioning pituitary adenomas comprise approximately 30% of all pituitary tumors. The purpose of this retrospective study was to evaluate the efficacy and role of gamma knife surgery (GKS) in the treatment of these lesions. METHODS:The authors conducted a review of cases in which GKS was performed at the Un...

journal_title：Neurosurgical focus

authors： Sheehan JP,Kondziolka D,Flickinger J,Lunsford LD

更新日期：2003-05-15 00:00:00

abstract：:Direct cerebral revascularization is an important procedure in the treatment of certain complex aneurysms and skull base tumors when acute sacrifice of the internal carotid artery is required. It likely remains an appropriate treatment in a small subgroup of patients with cerebral ischemia refractory to maximal medica...

journal_title：Neurosurgical focus

authors： Liu JK,Kan P,Karwande SV,Couldwell WT

更新日期：2003-03-15 00:00:00

abstract：:Hemivertebrae are a common cause of congenital scoliosis. Depending on their location and the magnitude of the resultant deformity, they may be asymptomatic or require treatment. In the past, treatment has focused on prevention of deformity progression in growing children. Little has been written about congenital scol...

journal_title：Neurosurgical focus

authors： Polly DW Jr,Rosner MK,Monacci W,Moquin RR

更新日期：2003-02-15 00:00:00

abstract：:Pediatric spinal deformity results from multiple conditions including congenital anomalies, neuromuscular disorders, skeletal dysplasia, and developmental disorders (idiopathic). Pediatric spinal deformities can be progressive and cause pulmonary compromise, neurological deficits, and cardiovascular compromise. The cl...

journal_title：Neurosurgical focus

authors： Wiggins GC,Shaffrey CI,Abel MF,Menezes AH

更新日期：2003-01-15 00:00:00

abstract：OBJECT:The safety and effectiveness of osteogenic protein (OP)-1 putty (recombinant human bone morphogenetic protein-7) in promoting fusion in complex spinal cases was studied in nine cases. METHODS:The authors prospectively evaluated nine patients requiring spinal fusion in whom there were medical risk factors that w...

journal_title：Neurosurgical focus

authors： Govender PV,Rampersaud YR,Rickards L,Fehlings MG

更新日期：2002-12-15 00:00:00

abstract：:Cellular therapy has been evaluated in small animals, subhuman primates, and now humans for the potential repair of brain injury due to stroke. Experimental striate stroke models have proven useful for the purpose of evaluating different treatment paradigms. Early clinical trials involving neuronal transplantation in ...

journal_title：Neurosurgical focus

authors： Kondziolka D,Wechsler L,Tyler-Kabara E,Achim C

更新日期：2002-11-15 00:00:00

abstract：:Optical imaging of intrinsic signals (OIS) is a well-established neuroimaging modality by which functional cortical activity is mapped by detecting activity-related changes in cortical light reflectance. Light reflectance changes are detected by a charged-coupled device camera that captures images of the exposed corte...

journal_title：Neurosurgical focus

authors： Pouratian N,Cannestra AF,Martin NA,Toga AW

更新日期：2002-10-15 00:00:00

abstract：:A historical review is presented of the original descriptions of lumbar discectomy, focusing on the evolution toward a less invasive surgical approach following the introduction of the operating microscope. From the initial work in Europe by Yasargil and Caspar to the popularization of microdiscectomy by Williams and ...

journal_title：Neurosurgical focus

authors： Koebbe CJ,Maroon JC,Abla A,El-Kadi H,Bost J

更新日期：2002-08-15 00:00:00

abstract：:There are many options for the surgical treatment of lumbar spondylolisthesis, including anterior and posterior techniques. Among the most versatile is a 360 degrees fusion. In consideration of the added risk of morbidity of two procedures, circumferential fusion leads to the highest fusion rates. This is particularly...

journal_title：Neurosurgical focus

authors： Heary RF,Bono CM

更新日期：2002-07-15 00:00:00

abstract：:Cysticercosis is the most common parasitic infection of the central nervous system. It infrequently affects the spine, but when it does, it can present with symptoms similar to other more common spinal diseases. The authors present a case of isolated intramedullary cysticercosis of the cervical spine and review the li...

journal_title：Neurosurgical focus

authors： Sheehan JP,Sheehan J,Lopes MB,Jane JA Sr

更新日期：2002-06-15 00:00:00

abstract：:Primary leiomyosarcoma of the central nervous system is rare and has been described both de novo and following temporally remote radiotherapy for a different unrelated malignancy. The authors report the case of a 42-year-old man in whom 60Co radiation treatment had been performed for an unknown primary mass in the bra...

journal_title：Neurosurgical focus

authors： Yeh DJ,Hessler RB,Lee MR

更新日期：2002-06-15 00:00:00

abstract：OBJECT:Bell palsy remains the most common cause of facial paralysis. Unfortunately, this term is often erroneously applied to all cases of facial paralysis. METHODS:The authors performed a retrospective review of data obtained in 11 patients who were treated at a university-based referral practice between July 1988 an...

journal_title：Neurosurgical focus

authors： Marzo SJ,Leonetti JP,Petruzzelli G

更新日期：2002-05-15 00:00:00