Search Results
Results 501 - 550 of 1178
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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 ...
Asgari S - - 2008
OBJECTIVE: We retrospectively analyzed a series of patients who deteriorated after resection of an intracranial meningioma due to extensive brain edema (EBE) with regard to etiology of the neurological worsening and outcome. METHODS: Out of a series of 376 consecutive patients who underwent resection of an intracranial meningioma, 13 (3.5%) ...
Guthikonda Bharat - - 2008
EDUCATIONAL OBJECTIVE: At the conclusion of this presentation, the participants should be able to understand the contemporary assessment and management algorithm used in the evaluation and care of patients with trigeminal schwannomas. OBJECTIVES: 1) Describe the contemporary neuroradiographic studies for the assessment of trigeminal schwannoma; 2) review the complex skull ...
Wedderburn Catherine J CJ Division of Clinical Neurosciences, University of Edinburgh, Western General Hospital, Edinburgh, - - 2008
The decision about whether to treat an unruptured brain arteriovenous malformation (AVM) depends on a comparison of the estimated lifetime risk of intracranial haemorrhage with the risks of interventional treatment. We aimed to test whether outcome differs between adults who had interventional AVM treatment and those who did not. All ...
Cho Der-Yang - - 2008
BACKGROUND: The decision to administer conservative or surgical treatment for putaminal and thalamic ICH is still a controversial issue. This study was undertaken to examine the decision-making criteria for these 2 treatments. METHODS: In a retrospective study, case records of 400 patients with spontaneous putaminal and thalamic hemorrhage who underwent ...
Haris M - - 2008
AIM: To assess the most useful dynamic contrast-enhanced (DCE) magnetic resonance imaging (MRI) index in the evaluation of the therapeutic response in brain tuberculoma (BT) patients. SUBJECTS AND METHODS: Twenty-three patients with 25 BT lesions were serially evaluated using DCE MRI. All lesions were classified into two groups: group I ...
Hänggi D - - 2008
BACKGROUND: A large number of reports have analysed epidemiology, pathogenesis, symptomatology, diagnostics and options for medical and surgical treatment of intracerebral haemorrhage. Nevertheless, management still remains controversial. The purpose of the present review is to summarise the clinical data and derive a current updated management concept as a result. METHODS: ...
Mirsad Hodzic
Introduction: Till the end of the 1980s, frame-based stereotaxy was the standard method for accurately localizing small brain lesions by introducing catheters into the lesion or for determining the tumor volume in space. The objective of this study was to analyze the caracteristics of frame-based stereotactic localization of brain lesion ...
Wang Y F - - 2008
The aim of this clinical study was to determine the optimal time-window for surgical treatment of spontaneous intracerebral hemorrhage (ICH). From January 1998 to September 2000, 17 hospitals in Shanghai participated in a prospective randomized controlled trial. Among a consecutive series of 500 patients with spontaneous ICH, 234 underwent medical ...
Christian Elmar - - 2008
Radiotherapy (RT) is an important treatment option for emergencies in oncology. A multicenter patterns of care study (PCS) was conducted in all RT institutions in Germany, Austria and Switzerland. In 2003 a standardized structured questionnaire was sent to all RT institutions. Number and type of staff involved, number of patients, ...
Williamson Richard - - 2008
BACKGROUND: Although uncommon, adverse radiation effects (ARE) are a potentially serious side effect of brain stereotactic radiosurgery (SRS). Corticosteroids are used to treat suspected ARE but side effects may be significant after long-term usage. Oral pentoxifylline (Ptx) and vitamin E therapy (VitE) are reported to benefit ARE seen in other ...
von Hoff Katja - - 2008
BACKGROUND: To investigate the neuropsychological outcome of children treated with surgery and posterior fossa irradiation for localized infratentorial ependymoma. METHODS: 23 patients (age 0.3 - 14 years at diagnosis) who were treated with local posterior fossa irradiation (54 Gy) underwent one (4 patients) or sequential (19 patients) neuropsychologic evaluation. The ...
Wang Ernest - - 2008
BACKGROUND: While the management of primary intracerebral hemorrhage (ICH) remains controversial, there remains a subset of patients that undergo clot evacuation. This study aims to characterize brain physiology and biochemistry after surgery for this condition. METHODS: Thirty-six consecutive patients requiring ventilation for primary ICH had intracranial pressure (ICP), tissue oxygenation ...
Lim Jae Kwan - - 2008
BACKGROUND: We focused on the cause of hematoma expansion after admission because the volume of hematoma after S-ICH plays a crucial role in the cause of mortality and morbidity. METHODS: In a retrospective review, 51 patients with hematoma expansion of S-ICH were identified among 880 cases of S-ICH treated between ...
De Salles A A F - - 2008
INTRODUCTION: Radiosurgery evolved from brain to spine. Mechanical and computer advances in linear accelerator (LINAC) radiosurgery apply precise single/fractional stereotactic radiation to multiple pathologies. METHODS: During a 10-year span the senior author used proton-beam radiosurgery in over 300 lesions, followed by gamma-knife, adapted and dedicated LINACS, including cyber-knife, in another ...
Baghi Ahmad-Reza - - 2008
TO COMPARE SPHERICAL ABERRATION AND CONTRAST SENSITIVITY WITH TWO DIFFERENT TYPES OF ASPHERIC POSTERIOR CHAMBER INTRAOCULAR LENSES (PCIOLS): Tecnis Z9000 versus Akreos AO. Thirty-four eyes of 34 patients undergoing phacoemulsification for senile cataracts were randomly assigned to implantation of Tecnis Z9000 or Akreos AO PCIOLs. Outcome measures included best-corrected visual ...
Chandhanayingyong Chandhanarat - - 2008
Sacral schwannoma is a rare retrorectal tumor in adults. Postoperative sacral neurological deficit is difficult to avoid. Currently, there is no established consensus regarding best treatment options. We present the management and outcomes of sacral schwannoma in 4 patients treated with intralesional curettage and postoperative radiation. There were 3 women ...
Omeis Ibrahim - - 2008
OBJECTIVE: To analyze the long-term clinical outcomes and complication rates associated with percutaneous balloon compression (PBC) of the trigeminal ganglion in patients with recurrent trigeminal neuralgia (TN) who were treated surgically with procedures other than PBC. METHODS: In this retrospective study, the authors reviewed the results of 29 patients who ...
Sokolowski Mark J - - 2008
STUDY DESIGN: Prospective clinical series. OBJECTIVE: To determine the incidence, volume, and extent of postoperative epidural hematoma resulting in thecal sac compression, and to identify risk factors correlated with measured hematoma volumes. SUMMARY OF BACKGROUND DATA: Risk factors for postoperative hematoma development have been retrospectively determined in small populations of ...
Carhuapoma J Ricardo - - 2008
Recent reports suggest that when thrombolytic agents are administered within the clot, lysis rate accelerates at the expense of increased risk of worsening edema. To test this hypothesis, we report on the volumetric analysis of (1) the intraparenchymal hematoma and, (2) perihematomal edema in a cohort of ICH patients treated ...
Shoaib Amer A Robert Jones and Agnes Hunt Hospital, Oswestry, SY10 7AG United Kingdom. - - 2008
The mini C arm is a mobile fluoroscopic device for use on extremities. It has been reported that this type of device has several advantages over a conventional C arm, the most important of which is a decreased level of radiation scatter to the surgeon. This was a case control ...
Frenzel Tim T Center for Cerebrovascular Research, Department of Anesthesia and Perioperative Care, University of California, San Francisco, CA 94110, - - 2008
Tetracyclines may be useful in preventing pathological vascular remodeling, thus decreasing the risk of spontaneous hemorrhage from brain vascular malformations. Arteriovenous malformation (AVM) and intracranial aneurysm patients undergoing noninvasive management were treated with minocycline or doxycycline (200 mg/day) up to 2 years in a prospective open-label safety pilot trial. The ...
Heller Justin B JB Section of Plastic Surgery, Department of Surgery, Yale University School of Medicine, New Haven, Conn 06519, - - 2008
Controversy abounds as to how craniosynostosis affects intracranial volume and whether more extensive procedures achieve superior results. Intracranial volume and cephalic index were evaluated among nonsyndromic sagittal synostosis patients undergoing cranioplasty. Twenty-four children with isolated nonsyndromic sagittal synostosis underwent a total calvarial reconstruction. Volume and cephalic index measurements were taken ...
Radaelli Franca - - 2007
Imatinib mesylate (IM) is used in the targeted therapy of chronic myelogenous leukemia and gastrointestinal stromal tumors. It is well tolerated and leads to no higher incidence of hemorrhagic events than other therapies. Of 87 patients we treated with IM for a minimum of 3 months, 10 patients (11%) developed ...
Pusztaszeri Marc - - 2007
Radiosurgery is an effective treatment for trigeminal neuralgia (TN) with minimal complications. Most experience is based on gamma knife radiosurgery (GKRS) and to a lesser extent on linear accelerators. We report our initial experience in 17 patients with TN treated by an adapted linear accelerator using the BrainLab system. The ...
Kiran Narayanam Anantha Sai - - 2007
OBJECT: This retrospective study was designed to study the outcome in children with intracranial arteriovenous malformations (AVMs) treated with Gamma Knife surgery (GKS). METHODS: One hundred and forty-two children were treated with GKS at the authors' institution between April 1997 and March 2006; of these, 103 patients with a mean ...
Zhou Liang-Fu - - 2007
BACKGROUND: Dumbbell-shaped trigeminal neurinomas are rare benign tumors with a controversy regarding their treatment and surgical approaches. We conducted an investigation on elucidating a strategy for the treatment of DSTNs. METHODS: One hundred thirty-seven patients with trigeminal neurinomas, accounting for 0.6% of all intracranial tumors and 3.8% of intracranial neurinomas, ...
Sherif Camillo - - 2008
INTRODUCTION: The optimal treatment of spinal dural arteriovenous fistulae (SDAVF) remains controversial and long-term follow-up data, especially data from multidisciplinary treatment, are rarely available. Thus, long-term outcomes following a multidisciplinary approach to the treatment of SDAVF were investigated. METHODS: The investigation included 26 patients with SDAVF treated at the authors' ...
Kim Chae-Yong - - 2007
BACKGROUND: Little is known about long-term results of gamma knife (GK) stereotactic radiosurgery (SRS) as a primary or a secondary postoperative therapy for central neurocytomas (CNs). The authors retrospectively reviewed long-term outcomes of 13 patients with CN treated with GK SRS. METHODS: Thirteen patients were treated with GK SRS as ...
Cognard C - - 2008
BACKGROUND AND PURPOSE: DAVFs (dural arteriovenous fistulas) represent one of the most dangerous types of intracranial AV shunts. Most of them are cured by arterial or venous embolization, but surgery/radiosurgery can be required in case of failure. Our goal was to reconsider the endovascular treatment strategy according to the new ...
Nogueira R G - - 2008
BACKGROUND AND PURPOSE: Onyx was recently approved for the treatment of pial arteriovenous malformations, but its use to treat dural arteriovenous fistulas (DAVFs) is not yet well established. We now report on the treatment of intracranial DAVFs using this nonadhesive liquid embolic agent. MATERIALS AND METHODS: We performed a retrospective ...
Jayaraman M V - - 2008
BACKGROUND AND PURPOSE: Embolization of arteriovenous malformations (AVMs) is commonly used to achieve nidal volume reduction before microsurgical resection or stereotactic radiosurgery. The purpose of this study was to examine the overall neurologic complication rate in patients undergoing AVM embolization and analyze the factors that may determine increased risk. MATERIALS ...
Corkill Rufus A - - 2007
OBJECT: The aim of this study was to analyze the endovascular treatment results of using the Onyx liquid embolic system for spinal intramedullary arteriovenous malformations (AVMs). METHODS: The clinical and radiological records of 17 patients with symptomatic spinal intramedullary AVMs treated exclusively by embolization with Onyx between 1999 and 2003 ...
Sindou Marc - - 2007
OBJECT: The authors report on the long-term outcome in 100 consecutive patients with meningiomas arising from the cavernous sinus (CS) with compressive extension outside the CS. The treatment in all cases was surgery alone without adjuvant radiosurgery or radiotherapy. The aim of this study was to evaluate the percentage of ...
Abouzari Mehdi - - 2007
OBJECTIVE: Chronic subdural hematoma (CSDH) is one of the most common types of intracranial hemorrhage, especially in the elderly, with a significant recurrence rate ranging from 9.2 to 26.5%. The role of postoperative patient posture in the recurrence of CSDH has not been studied sufficiently. METHODS: A total of 84 ...
Lim Michael - - 2007
Results for treating glomus jugulare tumors with radiosurgery have been limited by short follow-up and small number of patients. We report our experience using LINAC or CyberKnife in 21 tumors with a median follow-up of 66 months (Mean follow-up of 60 months). In addition, we have a subset of eight ...
Moreno-Jimenez Sergio - - 2007
OBJECTIVE: To validate the radiosurgery-based arteriovenous malformation score (RBAS) as a predictor of outcome in patients with arteriovenous malformations (AVMs) treated with LINAC-based conformal radiosurgery. METHODS: We analysed 40 patients with a mean follow-up of 22 months. One patient (2.5%) pertained to Spetzler-Martin Grade I, 11 (27.5%) to Grade II, ...
Sia S F - - 2007
Primary intracerebral haemorrhage (ICH) results in significant morbidity and mortality among patients. There is a paucity of epidemiological data on this condition in Malaysia. The purpose of this hospital based study was to define the clinical profile in patients with primary spontaneous intracerebral haemorrhage at University of Malaya Medical Centre ...
Izawa Masahiro - - 2007
BACKGROUND: Delayed cyst formation is a well-recognized complication after radiosurgery for intracranial AVM. The objective of the present study was the evaluation of the different management options for these lesions and the corresponding prognosis of patients. METHODS: Between 2000 and 2005, 12 patients with intracranial AVM initially treated by GKR ...
Karlsson Bengt - - 2007
OBJECT: The results of a novel radiosurgical approach to treat large arteriovenous malformations (AVMs) with repeated radiosurgery are presented and discussed. METHODS: The outcome was studied following repeated Gamma Knife surgery (GKS) for large AVMs, defined as a nidus volume of 9 ml or more. The philosophy was to treat ...
Kim Kyung Rae - - 2007
PURPOSE: To evaluate the effectiveness and safety of treatment of high-flow priapism (HFP) with superselective transcatheter embolization at nine university hospitals. MATERIALS AND METHODS: Between May 1994 and October 2006, 27 patients underwent superselective embolization of the cavernous artery for HFP. Trauma was apparent in 22 patients, there was self-administered ...
Lee Jae-Whan - - 2008
OBJECTIVE: Cavernous malformations (CMs) are vascular malformations affecting any part of the central nervous system. CMs in the pediatric age group are known to be different from those of adults both in origin and clinical characteristics. In this paper, we report our experience in managing CMs in pediatric patients. MATERIALS ...
Pascual M - - 2008
The consequences of selection for growth rate and the associated decrease of maturity at slaughter in rabbits on collagen content, collagen solubility, meat texture (Warner-Bratzler shear device) and the sensory properties of the m. Longissimus were studied. Sixty rabbits from the 7th generation of a line selected for growth rate ...
Nataf François - - 2007
OBJECTIVE: To detect parameters that may augment the therapeutic strategy in patients with a cerebral arteriovenous malformation (AVM) that is considered equally suitable for treatment by neurosurgery or radiosurgery, we compared the efficacy and risks of these two methods in a paired series with similar patient and AVM characteristics. PATIENTS ...
Koç Kenan - - 2007
AIM: This study was designed to determine the hemodynamics of cerebrospinal fluid flow in syringomyelia patients associated with Chiari I malformation using phase-contrast velocity-encoded-cine MRI and also to find out whether treatment outcomes may be predicted by these flow measurements. MATERIAL AND METHODS: Eighteen consecutive symptomatic patients with syringomyelia associated ...
Nyquist Paul - - 2007
Intraventricular hemorrhage (IVH) is associated with a high mortality and morbidity. Patients with this disorder may now be offered the possibility of treatment. This treatment comes in the form of intraventricular thrombolytics. At present a large randomized trial is testing the efficacy of intraventricular rt-PA in IVH in the setting ...
Chernov Mikhail F - - 2007
Outcome of urgent reoperation for major regional complication after removal of intracranial tumor was evaluated retrospectively in 100 consecutive patients treated since 1983. Urgent reoperation was performed from 3 to 240 hours (mean 74 hours) after primary surgery for 32 meningiomas, 23 pituitary adenomas, 22 gliomas, 13 vestibular schwannomas, and ...
Liscák Roman - - 2007
OBJECTIVE: Although relevant information exists regarding the chance of obliterating arteriovenous malformations (AVMs) using radiosurgery, the overall chance of cure after gamma knife radiosurgery is usually only extrapolated from a portion of all monitored patients. This chance and the risks involved in radiosurgery, including repeat treatment when necessary in a ...
Hukin Juliette - - 2007
BACKGROUND: Surgical removal and radiation therapy are associated with significant risk for morbidity in the pediatric population with craniopharyngioma. Intracystic therapies have been utilized in some centers to potentially decrease morbidity associated with cystic craniopharyngioma. The aim of the study was to review the Canadian experience with intracystic bleomycin therapy ...
Moreno-Jiménez Sergio - - 2007
BACKGROUND: Little is written about the clinical outcome and predictor factors of obliteration and treatment success in patients with intracranial AVMs treated with LINAC-based conformal radiosurgery in Mexican institutions. METHODS: We analyzed 40 patients with intracranial AVMs with a mean follow-up of 29 (range, 23-34) months. Seven AVMs (17.5%) had ...
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