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Results 451 - 500 of 1177
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Lv Xianli X Beijing Neurosurgical Institute, Beijing Tiantan Hospital, Capital Medical University; Beijing, China - - - 2008
This study evaluated angiographic and clinical results in patients with a dural arteriovenous fistula (DAVF) who underwent percutaneous transvenous embolization. Retrospective chart analysis and radiographic studies were performed in 23 patients (aged 11-70 yrs) with a DAVF treated with percutaneous transvenous embolization in the past five years. Lesions were located ...
Panagiotopoulos V - - 2009
PURPOSE: Our purpose was to present our experience regarding embolization of intracranial dural arteriovenous fistulas (DAVFs) with cortical venous reflux using Onyx, a non-adhesive liquid embolic agent. MATERIALS AND METHODS: From January 2006 to December 2007, 16 patients (12 men and 4 women) with a mean age of 61 years ...
Ganz J C - - 2009
PURPOSE: Gamma Knife treatment is traditionally limited to tumours with a diameter not exceeding 3-3.5 cm. The current paper presents 97 patients with meningiomas with a minimum volume of 10 cm(3), treated with a prescription dose of 12 Gy (or sometimes less to protect neighbouring structures). The post-treatment assessment of ...
Naval Neeraj S - - 2009
BACKGROUND: Intracerebral hemorrhage (ICH) has the highest mortality rate of all strokes. Hemphill's ICH score is commonly used to predict mortality after ICH. More recently, the ICH grading scale (ICH-GS) has been shown to improve sensitivity of 30 day mortality prediction in this patient group. OBJECTIVE: To assess the impact ...
Huang Chuan-Fu - - 2008
OBJECT: The purpose of this study was to assess the outcome of idiopathic trigeminal neuralgia (TN) treated with Gamma Knife surgery (GKS) as a primary and repeated treatment modality with a mean follow-up of 5.7 years. METHODS: Between July 1999 and September 2005, a total of 89 patients with idiopathic ...
Huang Chuan-Fu - - 2008
OBJECT: The authors report the effects of Gamma Knife surgery (GKS) on benign tumor-related trigeminal pain in patients who underwent follow-up for a mean 57.8 months. METHODS: From 1999 to 2004, 21 patients with benign tumor-related trigeminal pain (12 meningiomas and 9 schwannomas) underwent GKS as a primary or repeated ...
Valle Ramiro Del - - 2008
OBJECT: The cumulative experience worldwide indicates complete radiosurgical obliteration rates of brain arteriovenous malformations (AVMs) ranging from 35 to 90%. The purpose of this study was to propose a strategy to increase the obliteration rate for AVMs through the dynamic definition of the key target volume (KTV). METHODS: A prospective ...
Matsuda Shinji - - 2008
OBJECT: Gamma Knife surgery (GKS) is an effective treatment for intractable trigeminal neuralgia (TN). The authors compared results using two major GKS target points, the dorsal root entry zone and the retrogasserian portion, in a series of patients with intractable TN. METHODS: One hundred patients with medically refractory TN underwent ...
Andreou Alexander - - 2008
OBJECT: Microarteriovenous malformations (micro-AVMs) are an uncommon subgroup of brain AVMs defined by a nidus measuring < 1 cm in diameter. The clinical features, angiographic characteristics, and outcomes in patients with micro-AVMs who had been treated endovascularly after presenting with hemorrhage were reviewed to identify common features affecting prognosis. METHODS: ...
Douglas James G - - 2008
OBJECT: The purpose of this study was to examine the efficacy and toxicity of treating arteriovenous malformations (AVMs) with the model 3C Gamma Knife at the University of Washington Medical Center. METHODS: Ninety-five evaluable patients with 99 treatable AVMs were treated at the University of Washington Medical Center from April ...
Khadka N K - - 2008
Chronic subdural haematoma is a common neurosurgical condition and surprisingly surgical treatment ranges from twist drill craniostomy to more radical membranectomy. However, the outcome is generally favourable with appropriate therapy. This retrospective study is aimed at analyzing the result of single burr hole drainage of such haematoma under local anaesthesia ...
Linskey Mark E - - 2008
OBJECT: The aim of this study was to analyze 1 surgeon's 4-year experience with microvascular decompression ([MVD], 36 patients) and Gamma Knife surgery ([GKS], 44 patients) in 80 consecutive patients with trigeminal neuralgia (TN). METHODS: The authors conducted a prospective cohort study from March 1999 to December 2003 with an ...
Maruyama Keisuke - - 2008
OBJECT: Optimal timing of Gamma Knife surgery (GKS) after hemorrhage from brain arteriovenous malformations (AVMs) is unclear and of concern to neurosurgeons because GKS is usually performed after absorption of the hematoma. The authors investigated whether waiting for hematoma absorption is beneficial and aimed to clarify the optimal treatment timing. ...
Chung Wen-Yuh - - 2008
OBJECT: The effectiveness and safety of radiosurgery for small- to medium-sized cerebral arteriovenous malformations (AVMs) have been well established. However, the management for large cerebral AVMs remains a great challenge to neurosurgeons. In the past 5 years the authors performed preplanned staged radiosurgery to treat extra-large cerebral AVMs. METHODS: An ...
Park Sung Bae - - 2008
The aim of this study was to evaluate the efficacy of endovascular therapy as a primary treatment for spinal dural arteriovenous fistula (DAVF). The authors reviewed 18 patients with spinal DAVFs for whom endovascular therapy was considered as an initial treatment at a single institute between 1993 and 2006. NBCA ...
Adeoye Opeolu O Department of Emergency Medicine, University of Cincinnati, Cincinnati, Ohio 45267-0525, USA. - - 2008
To compare surgical management and case-fatality rates of intracerebral hemorrhage (ICH) in 1988 and 2005. We identified all adult residents (age, >or=18 years) from the 5-county Greater Cincinnati region who were hospitalized with ICH in 1988 and 2005. Demographics, severity of illness, ICH volume, ICH location, rates and timing of ...
da Costa L - - 2009
OBJECTIVES: Posterior fossa brain arteriovenous malformations (PFbAVMs) are rare lesions. Management is complicated by eloquence of adjacent neurological structures, multimodality treatment is often necessary, and obliteration is not always possible. We describe a 15-year experience in the management of posterior fossa brain AVMs with a focus on clinical outcome. METHODS: ...
Iwai Yoshiyasu - - 2008
OBJECT: In this study, the authors evaluate the long-term results after Gamma Knife radiosurgery of cranial base meningiomas. This study is a follow-up to their previously published report on the early results. METHODS: Between January 1994 and December 2001, the authors treated benign cranial base meningiomas in 108 patients using ...
Little Andrew S - - 2008
OBJECTIVE: The long-term outcome of patients treated with gamma knife radiosurgery (GKRS) for typical trigeminal neuralgia has not been fully studied. We evaluated 185 patients who underwent their first GKRS treatment between 1997 and 2003 at the Barrow Neurological Institute. METHODS: Follow-up was obtained by surveys and review of medical ...
Levine Steven - - 2009
Large acquired intracranial defects can result from trauma or surgery. When reoperation is required because of infection or tumor recurrence, management of the intracranial dead space can be challenging. By providing well-vascularized bulky tissue, intracranial microvascular free flaps offer potential solutions to these life-threatening complications. A multi-institutional retrospective chart and ...
Han Jung Ho - - 2008
PURPOSE: To analyze the long-term outcomes in patients with skull base meningiomas (SBMNGs) treated with Gamma Knife radiosurgery (GKRS). METHODS AND MATERIALS: Of the 98 consecutive patients with SBMNGs treated with GKRS between 1998 and 2002, 63 were followed up for more than 48 months. The mean (+/-SD) age of ...
Oh In Ho - - 2008
This study was designed to compare the efficacy of micro-vascular decompression (MVD) and Gamma knife radiosurgery (GKRS) for elderly idiopathic trigeminal neuralgia patients by analyzing the clinical outcome. In the past 10 years, 27 elderly patients were treated with MVD while 18 patients were treated with GKRS (>65-years-old). We reviewed ...
Delanian Sylvie - - 2008
Radiation-induced (RI) peripheral neuropathy is a rare and severe delayed complication of radiotherapy that is spontaneously irreversible, with no standard of treatment. We previously developed a successful antioxidant treatment in RI fibrosis and necrosis. Two patients with progressive worsening RI lumbosacral polyradiculopathy experienced over several years a significant clinical improvement ...
Rück Christian - - 2008
CONTEXT: Capsulotomy is sometimes used as a treatment of last resort in severe and treatment-refractory cases of obsessive-compulsive disorder (OCD). OBJECTIVE: To evaluate the long-term efficacy and safety of capsulotomy in OCD. DESIGN: Noncontrolled, long-term follow-up trial (mean of 10.9 years after surgery). SETTING: University hospital referral center. PATIENTS: Twenty-five ...
Fric-Shamji Elana C - - 2008
OBJECTIVE: To determine whether there are modifiable risk factors for spontaneous intracerebral hemorrhage in patients receiving oral anticoagulation (OAC) therapy. DESIGN: Retrospective chart review between January 2002 and December 2004. PARTICIPANTS: A total of 315 consecutive patients presenting with spontaneous intracerebral hemorrhage. MAIN OUTCOME MEASURES: Overall mortality rates and surgical ...
Han Jung Ho - - 2008
OBJECT: In this paper the authors analyzed the clinical and neuroimaging outcomes of patients with cerebral arteriovenous malformations (AVMs) after Gamma Knife surgery (GKS), focusing on the analysis of the radiation injury rate depending on the AVM volume. METHODS: Between 1997 and 2004, 277 consecutive patients with cerebral AVMs were ...
Aghakhani Nozar - - 2008
BACKGROUND AND PURPOSE: The rarity of spinal dural arteriovenous fistulae makes physicians often overlook this potential diagnosis in patients with progressive gait disturbance and paraparesis. Consequently, patients with spinal dural arteriovenous fistulae can gradually become completely paraplegic if the final diagnosis is delayed considerably. The objective of the current study ...
Stern Robin L - - 2008
OBJECTIVE: Due to the fundamental differences in treatment delivery, linear-accelerator-based radiosurgery can be complementary to Gamma Knife (GK) for intracranial lesions. We reviewed the effect of adding GK to an existing linear accelerator (Linac)-based radiosurgery practice and analyzed case selections for the two modalities. PATIENTS AND METHODS: UC Davis Medical ...
Velat Gregory J - - 2008
OBJECTIVE: Intracranial arteriovenous malformations (AVM) may be managed through staged preoperative embolization and resection. Two commonly used liquid embolics are N-butyl cyanoacrylate (nBCA; Cordis Microvascular, Inc., New Brunswick, NJ) and Onyx (ev3, Inc., Irvine, CA). We sought to compare the utility of these agents in terms of fluoroscopy and procedure ...
Jamil Syed A - - 2008
To evaluate the prognosis, neurologic outcome, and predictors of survival in patients with non-traumatic intracerebral hemorrhage. We evaluated prospectively a cohort of 96 Saudi adult males and females with stroke during the month of July 2005 at Arar Central Hospital, Riyadh, Kingdom of Saudi Arabia. Out of 103 patients, 96 ...
Kasliwal Manish Kumar - - 2008
OBJECTIVES: Radiosurgery has been widely adopted for the treatment of cerebral AVMs. However radiosurgical treatment of patients with hemorrhagic presentation is fraught with risk of rebleed during latency period. The present study intends to analyze the obliteration rate, time to obliteration and chances of rebleed in patients with hemorrhagic versus ...
Kumar R - - 2008
Chiari malformations are a pathological continuum of hindbrain maldevelopment and Chiari I malformation (CMI) represents caudal decent of cerebellar tonsils. The surgery aims to relieve tonsillar compression with restoration of the normal cerebrospinal (CSF) flow dynamics. We report the salient features of our surgical experience with CMI; over a decade ...
Kelly Michael E - - 2008
OBJECT: Posterior fossa arteriovenous malformations (AVMs) are relatively uncommon and often difficult to treat. The authors present their experience with multimodality treatment of 76 posterior fossa AVMs, with an emphasis on Spetzler-Martin Grades III-V AVMs. METHODS: Seventy-six patients with posterior fossa AVMs treated with radiosurgery, surgery, and endovascular techniques were ...
Amouzegar-Hashemi F - - 2008
Despite high-level evidence in the literature, the use of single-fraction radiotherapy (rt) for management of painful bone metastases is not widely practiced in the world, as highlighted in several practice-pattern surveys. Fractionation of palliative rt for bone metastases has not been addressed in Iran, where the most common clinical practice ...
Choe Jae-Gyun - - 2008
Outcome of gamma knife radiosurgery (GKS) in the consecutive 100 cases with cerebral arteriovenous malformations (AVMs) was analyzed. Data from initial 100 patients treated with GKS in the authors' institute were reviewed retrospectively. Spetzler-Martin grade at diagnosis were I in 18 patients, II in 27, III in 36, IV in ...
Al-Alami Achir A AA Department of Anesthesiology, American University of Beirut Medical Center, P.O. Box: 11-0236 Beirut, Lebanon. - - 2008
We report a 38 year old male patient who underwent a craniotomy for jugular foramen tumor resection. In the postoperative care unit, the patient developed aspiration accompanied with oxyhemoglobin desaturation. Subsequently, he had several episodes of recurrent aspiration which were attributed to cranial nerves (IX, X) palsy as a complication ...
Shibamoto Yuta - - 2008
PURPOSE: To determine the incidence of brain atrophy and dementia after whole-brain radiotherapy (WBRT) in patients with brain metastases not undergoing surgery. METHODS AND MATERIALS: Eligible patients underwent WBRT to 40 Gy in 20 fractions with or without a 10-Gy boost. Brain magnetic resonance imaging or computed tomography and Mini-Mental ...
Pratali Raphael - - 2009
Osteoid osteoma is the third most common type of bone tumour. Radiofrequency ablation and other percutaneous procedures are the treatment of choice. However, in some sites these methods are difficult or dangerous. Our objective of this study was to evaluate whether open resection and intraoperative nidus detection with a hand-held ...
Chen Joseph C T - - 2008
OBJECTIVE: Trigeminal neuralgia treatment results are thought to be highly dependent upon selection criteria. We retrospectively analyzed a series of patients to determine the likelihood of treatment success for patients treated with radiosurgery. METHODS: A retrospective analysis of 82 patients treated with linear accelerator radiosurgery was undertaken with a median ...
Cho Sung Ki - - 2008
OBJECTIVE: To assess retrospectively the treatment results of ethanol embolization of peripheral arteriovenous malformations (AVMs) with a dominant outflow vein (DOV). MATERIALS AND METHODS: Nineteen patients who had peripheral AVMs with a DOV were enrolled in this study (mean age, 29.7 years; range, 15-42 years). Fifty-one ethanol embolizations (mean, 2.7; ...
Flint Alexander C - - 2008
Decompressive hemicraniectomy is commonly performed in patients with traumatic brain injury (TBI) with diffuse brain swelling or refractory raised intracranial pressure. Expansion of hemorrhagic contusions in TBI patients is common, but its frequency following decompressive hemicraniectomy has not been well established. The aim of this retrospective study was to determine ...
Uchiyama Daiji - - 2008
PURPOSE: The aim of this study was to evaluate the indications, efficacy, and safety of arterial catheterization and embolization for the management of emergent or anticipated massive obstetrical hemorrhage and its effects on menses and fertility. MATERIALS AND METHODS: Eighteen patients underwent arterial catheterization and embolization for intractable obstetrical hemorrhage ...
Gellner V - - 2008
OBJECTIVE: To date, the efficacy and safety of repeat radiosurgery (RS) for trigeminal neuralgia (TN) is based mainly on short term results. METHODS: Between 1994 and 2006, 93 patients were treated by RS for TN at the Department of Neurosurgery, Graz, Austria. 22 patients underwent repeat gamma knife radiosurgery (GKRS) ...
Pan David Hung-Chi - - 2008
OBJECT: Studies on the efficacy of arteriovenous malformation (AVM) radiosurgery have largely been conducted in the adult population. Clinically, the results may not always be applicable to pediatric patients. Moreover, studies involving the pediatric population have largely comprised small- (< 3 cm3) and medium-sized (3-10 cm3) AVMs. For large (> ...
Haris Mohammad - - 2008
PURPOSE: The aim of this study was to ascertain whether diffusion tensor imaging (DTI) metrics fractional anisotropy (FA), mean diffusivity (MD), linear case (CL), planar case (CP), spherical case (CS)-can characterize a threshold dose and temporal evolution of changes in normal-appearing white matter (NAWM) of adults with low-grade gliomas (LGGs) ...
Izawa Masahiro - - 2009
BACKGROUND: Volume reduction of large AVMs attained with endovascular embolization can be potentially helpful for their subsequent radiosurgical management. The objective of the present retrospective analysis was comparative evaluation of the long-term outcome after GKR for intracranial AVM performed with and without initial embolization of the nidus. METHODS: The long-term ...
Zoumalan Richard - - 2008
To determine the rate of hematoma formation in drainless deep-plane rhytidectomy and compare it with the rate using the same technique with the use of fibrin glue. This is a retrospective review of 605 patients (78 male and 527 female) who, over a 6-year period, underwent deep-plane face-lift surgery (n ...
Esteves Sérgio Carlos Barros - - 2008
OBJECTIVE: To evaluate results achieved with radiosurgery and complications of the procedure when treating arteriovenous malformations with linear accelerator. METHODS: This retrospective study was conducted between October 1993 and December 1996. Sixty-one patients with arteriovenous malformations were treated with radiosurgery utilizing a 6MV energy linear accelerator. Ages of the 32 ...
Buis D R - - 2008
OBJECTIVE: The authors describe their experience in treating 22 children with a single brain arteriovenous malformation (bAVM) using a dedicated LINAC stereotactic radiosurgery unit. METHODS: The findings of 22 consecutive patients < or = 18 years of age who underwent radiosurgery for a single bAVM and with at least 24 ...
Tzourio C - - 2008
OBJECTIVE: The apolipoprotein E (APOE) polymorphism is an established risk factor for intracerebral hemorrhage (ICH) that is related to cerebral amyloid angiopathy in the white population. Among Asian populations, although ICH represents up to one third of all strokes and has high rates of mortality and morbidity, the role of ...
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