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Journal of Neurosurgery

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https://www.readbyqxmd.com/read/28621631/comparative-analysis-of-monotherapy-versus-duotherapy-antiseizure-drug-management-for-postoperative-seizure-control-in-patients-undergoing-an-awake-craniotomy
#1
Chikezie I Eseonu, Francisco Eguia, Oscar Garcia, Peter W Kaplan, Alfredo Quiñones-Hinojosa
OBJECTIVE Postoperative seizures are a common complication in patients undergoing an awake craniotomy, given the cortical manipulation during tumor resection and the electrical cortical stimulation for brain mapping. However, little evidence exists about the efficacy of postoperative seizure prophylaxis. This study aims to determine the most appropriate antiseizure drug (ASD) management regimen following an awake craniotomy. METHODS The authors performed a retrospective analysis of data pertaining to patients who underwent an awake craniotomy for brain tumor from 2007 to 2015 performed by a single surgeon...
June 16, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28621630/evaluation-of-surgical-treatment-for-neuropathic-pain-from-neuroma-in-patients-with-injured-peripheral-nerves
#2
Valérie Decrouy-Duruz, Thierry Christen, Wassim Raffoul
OBJECTIVE Chronic neuropathic pain after peripheral nerve injury is a major clinical problem. Its management is difficult, and therapeutic approaches vary and include oral medication, neurostimulation, and surgery. The aim of this study was to assess the adequacy of surgical nerve revision in a large series of patients with long-term follow-up. METHODS The authors reviewed the charts of 231 patients (335 nerve injuries) who experienced neuropathic pain after peripheral nerve injury and underwent surgery for nerve revision at the authors' institution between 1997 and 2012...
June 16, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28621629/endoscopic-endonasal-odontoid-resection-with-real-time-intraoperative-image-guided-computed-tomography-report-of-4-cases
#3
Harminder Singh, Sarang Rote, Ajit Jada, Evan D Bander, Gustavo J Almodovar-Mercado, Walid I Essayed, Roger Härtl, Vijay K Anand, Theodore H Schwartz, Jeffrey P Greenfield
The authors present 4 cases in which they used intraoperative CT (iCT) scanning to provide real-time image guidance during endonasal odontoid resection. While intraoperative CT has previously been used as a confirmatory test after resection, to the authors' knowledge this is the first time it has been used to provide real-time image guidance during endonasal odontoid resection. The operating room setup, as well as the advantages and pitfalls of this approach, are discussed. A mobile intraoperative CT scanner was used in conjunction with real-time craniospinal neuronavigation in 4 patients who underwent endoscopic endonasal odontoidectomy for basilar invagination...
June 16, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28621628/gamma-knife-surgery-for-clival-epidural-osseous-dural-arteriovenous-fistulas
#4
Cheng-Chia Lee, Ching-Jen Chen, Shao-Ching Chen, Huai-Che Yang, Chung Jung Lin, Chih-Chun Wu, Wen-Yuh Chung, Wan-Yuo Guo, David Hung-Chi Pan, Cheng-Ying Shiau, Hsiu-Mei Wu
OBJECTIVE Clival epidural-osseous dural arteriovenous fistula (DAVF) is often associated with a large nidus, multiple arterial feeders, and complex venous drainage. In this study the authors report the outcomes of clival epidural-osseous DAVFs treated using Gamma Knife surgery (GKS). METHODS Thirteen patients with 13 clival epidural-osseous DAVFs were treated with GKS at the authors' institution between 1993 and 2015. Patient age at the time of GKS ranged from 38 to 76 years (median 55 years). Eight DAVFs were classified as Cognard Type I, 4 as Type IIa, and 1 as Type IIa+b...
June 16, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28621627/factors-associated-with-shunt-dependent-hydrocephalus-after-decompressive-craniectomy-for-traumatic-brain-injury
#5
Aditya Vedantam, Jose-Miguel Yamal, Hyunsoo Hwang, Claudia S Robertson, Shankar P Gopinath
OBJECTIVE Posttraumatic hydrocephalus (PTH) affects 11.9%-36% of patients undergoing decompressive craniectomy (DC) and is an important cause of morbidity after traumatic brain injury (TBI). Early diagnosis and treatment of PTH can prevent further neurological compromise in patients who are recovering from TBI. There is limited data on predictors of shunting for PTH after DC for TBI. METHODS Prospectively collected data from the erythropoietin severe TBI randomized controlled trial were studied. Demographic, clinical, and imaging data were analyzed for enrolled patients who underwent a DC...
June 16, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28621626/a-multimodal-concept-for-invasive-diagnostics-and-surgery-based-on-neuronavigated-voxel-based-morphometric-mri-postprocessing-data-in-previously-nonlesional-epilepsy
#6
Daniel Delev, Carlos M Quesada, Alexander Grote, Jan P Boström, Christian Elger, Hartmut Vatter, Rainer Surges
OBJECTIVE Diagnosis and surgical treatment of refractory and apparent nonlesional focal epilepsy is challenging. Morphometric MRI voxel-based and other postprocessing methods can help to localize the epileptogenic zone and thereby support the planning of further invasive electroencephalography (EEG) diagnostics, and maybe resective epilepsy surgery. METHODS The authors developed an algorithm to implement regions of interest (ROI), based on postprocessed MRI data, into a neuronavigation tool. This was followed by stereotactic ROI-guided implantation of depth electrodes and ROI-navigated resective surgery...
June 16, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28621625/editorial-thalamic-stimulation-in-vegetative-or-minimally-conscious-patients
#7
Emad Eskandar
No abstract text is available yet for this article.
June 16, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28621624/use-of-telomerase-promoter-mutations-to-mark-specific-molecular-subsets-with-reciprocal-clinical-behavior-in-idh-mutant-and-idh-wild-type-diffuse-gliomas
#8
Cemaliye B Akyerli, Şirin Yüksel, Özge Can, E Zeynep Erson-Omay, Yavuz Oktay, Erdal Coşgun, Ege Ülgen, Yiğit Erdemgil, Aydın Sav, Andreas von Deimling, Murat Günel, M Cengiz Yakıcıer, M Necmettin Pamir, Koray Özduman
OBJECTIVE Recent studies have established that hemispheric diffuse gliomas may be grouped into subsets on the basis of molecular markers; these subsets are loosely correlated with the histopathological diagnosis but are strong predictors of clinical tumor behavior. Based on an analysis of molecular and clinical parameters, the authors hypothesized that mutations of the telomerase promoter (TERTp-mut) mark separate oncogenic programs among isocitrate dehydrogenase 1 and/or 2 (IDH) mutant (IDH-mut) and IDH wild-type (IDH-wt) diffuse gliomas independent of histopathology or WHO grade...
June 16, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28621623/patterns-of-care-and-outcomes-in-gliosarcoma-an-analysis-of-the-national-cancer-database
#9
Jonathan Frandsen, Andrew Orton, Randy Jensen, Howard Colman, Adam L Cohen, Jonathan Tward, Dennis C Shrieve, Gita Suneja
OBJECTIVE The authors compared presenting characteristics and survival for patients with gliosarcoma (GS) and glioblastoma (GBM). Additionally, they performed a survival analysis for patients who underwent GS treatments with the hypothesis that trimodality therapy (surgery followed by radiation and chemotherapy) would be superior to nontrimodality therapy (surgery alone or surgery followed by chemotherapy or radiation). METHODS Adults diagnosed with GS and GBM between the years 2004 and 2013 were queried from the National Cancer Database...
June 16, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28621622/glossopharyngeal-neuralgia-treated-by-gamma-knife-radiosurgery-safety-and-efficacy-through-long-term-follow-up
#10
Benjamin Pommier, Gustavo Touzet, Christian Lucas, Maximilien Vermandel, Serge Blond, Nicolas Reyns
OBJECTIVE Glossopharyngeal neuralgia (GPN) is a rare and disabling condition. Just as for trigeminal neuralgia, Gamma Knife radiosurgery (GKRS) is increasingly proposed as a therapeutic option for GPN. The purpose of this study was to assess long-term safety and efficacy of GKRS for this indication. METHODS From 2007 to 2015, 9 patients (4 male and 5 female) underwent a total of 10 GKRS procedures. All of the patients presented with GPN that was refractory to all medical treatment, and all had a long history of pain...
June 16, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28621621/indications-technique-and-safety-profile-of-insular-stereoelectroencephalography-electrode-implantation-in-medically-intractable-epilepsy
#11
Soha Alomar, Jeffrey P Mullin, Saksith Smithason, Jorge Gonzalez-Martinez
OBJECTIVE Insular epilepsy is relatively rare; however, exploring the insular cortex when preoperative workup raises the suspicion of insular epilepsy is of paramount importance for accurate localization of the epileptogenic zone and achievement of seizure freedom. The authors review their clinical experience with stereoelectroencephalography (SEEG) electrode implantation in patients with medically intractable epilepsy and suspected insular involvement. METHODS A total of 198 consecutive cases in which patients underwent SEEG implantation with a total of 1556 electrodes between June 2009 and April 2013 were reviewed...
June 16, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28621620/deep-brain-stimulation-for-the-early-treatment-of-the-minimally-conscious-state-and-vegetative-state-experience-in-14-patients
#12
Darko Chudy, Vedran Deletis, Fadi Almahariq, Petar Marčinković, Jasenka Škrlin, Veronika Paradžik
OBJECTIVE An effective treatment of patients in a minimally conscious state (MCS) or vegetative state (VS) caused by hypoxic encephalopathy or traumatic brain injury (TBI) is not yet available. Deep brain stimulation (DBS) of the thalamic reticular nuclei has been attempted as a therapeutic procedure mainly in patients with TBI. The purpose of this study was to investigate the therapeutic use of DBS for patients in VS or MCS. METHODS Fourteen of 49 patients in VS or MCS qualified for inclusion in this study and underwent DBS...
June 16, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28621619/histopathological-prognostic-factors-of-recurrence-following-definitive-therapy-for-atypical-and-malignant-meningiomas
#13
Daniel Kim, Andrzej Niemierko, William L Hwang, Anat O Stemmer-Rachamimov, William T Curry, Fred G Barker, Robert L Martuza, Kevin S Oh, Jay S Loeffler, Helen A Shih
OBJECTIVE Patients with atypical and malignant (WHO Grade II and III) meningiomas have a worse prognosis than patients with benign (WHO Grade I) meningiomas. However, there is limited understanding of the pathological risk factors that affect long-term tumor control following combined treatment with surgery and radiation therapy. Here, the authors identify clinical and histopathological risk factors for the progression and/or recurrence (P/R) of high-grade meningiomas based on the largest series of patients with atypical and malignant meningiomas, as defined by the 2007 WHO classification...
June 16, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28598280/pathogens-and-glioma-a-history-of-unexpected-discoveries-ushering-in-novel-therapy
#14
Ashish H Shah, Ignacio Jusué-Torres, Michael E Ivan, Ricardo J Komotar, Noriyuki Kasahara
In the late 19th century, Dr. William B. Coley introduced the theory that infections may aid in the treatment of malignancy. With the creation of Coley's toxin, reports of remission during viral illnesses for systemic malignancies soon emerged. A few decades after this initial discovery, Austrian physicians performed intravascular injections of Clostridium to induce oncolysis in patients with glioblastoma. Since then, suggestions between improved survival and infectious processes have been reported in several patients with glioma, which ultimately marshaled the infamous use of intracerebral Enterobacter...
June 9, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28598279/a-novel-score-to-predict-shunt-dependency-after-aneurysmal-subarachnoid-hemorrhage
#15
Dominik Diesing, Stefan Wolf, Jenny Sommerfeld, Asita Sarrafzadeh, Peter Vajkoczy, Nora F Dengler
OBJECTIVE Feasible clinical scores for predicting shunt-dependent hydrocephalus (SDHC) after aneurysmal subarachnoid hemorrhage (aSAH) are scarce. The chronic hydrocephalus ensuing from SAH score (CHESS) was introduced in 2015 and has a high predictive value for SDHC. Although this score is easy to calculate, several early clinical and radiological factors are required. The authors designed the retrospective analysis described here for external CHESS validation and determination of predictive values for the radiographic Barrow Neurological Institute (BNI) scoring system and a new simplified combined scoring system...
June 9, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28598278/atypical-pituitary-adenoma-a-clinicopathologic-case-series
#16
Martin J Rutkowski, Ryan M Alward, Rebecca Chen, Jeffrey Wagner, Arman Jahangiri, Derek G Southwell, Sandeep Kunwar, Lewis Blevins, Han Lee, Manish K Aghi
OBJECTIVE In 2004, the WHO classified atypical pituitary adenoma as a distinct adenoma subtype. However, the clinical significance of this distinction remains undetermined. The authors sought to define patient characteristics, tumor features, and treatment outcomes associated with atypical pituitary adenoma. METHODS The authors reviewed records of patients who underwent resection of pituitary adenoma at the University of California, San Francisco, between 2007 and 2014. Per institutional protocol, adenomas exhibiting mitotic activity underwent evaluation for all 3 markers of atypicality (mitotic index, extensive p53 staining, and MIB-1 index ≥ 3%)...
June 9, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28598277/surgical-strategy-to-avoid-ischemic-complications-of-the-pyramidal-tract-in-resective-epilepsy-surgery-of-the-insula-technical-case-report
#17
Naoki Ikegaya, Akio Takahashi, Takanobu Kaido, Yuu Kaneko, Masaki Iwasaki, Nobutaka Kawahara, Taisuke Otsuki
Surgical treatment of the insula is notorious for its high probability of motor complications, particularly when resecting the superoposterior part. Ischemic damage to the pyramidal tract in the corona radiata has been regarded as the cause of these complications, resulting from occlusion of the perforating arteries to the pyramidal tract through the insular cortex. The authors describe a strategy in which a small piece of gray matter is spared at the bottom of the periinsular sulcus, where the perforating arteries pass en route to the pyramidal tract, in order to avoid these complications...
June 9, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28598276/risk-factors-associated-with-postoperative-cerebrospinal-fluid-leak-after-endoscopic-endonasal-skull-base-surgery
#18
Shannon Fraser, Paul A Gardner, Maria Koutourousiou, Mark Kubik, Juan C Fernandez-Miranda, Carl H Snyderman, Eric W Wang
OBJECTIVE The aim in this paper was to determine risk factors for the development of a postoperative CSF leak after an endoscopic endonasal approach (EEA) for resection of skull base tumors. METHODS A retrospective review of patients who underwent EEA for the resection of intradural pathology between January 1997 and June 2012 was performed. Basic demographic data were collected, along with patient body mass index (BMI), tumor pathology, reconstruction technique, lumbar drainage, and outcomes. RESULTS Of the 615 patients studied, 103 developed a postoperative CSF leak (16...
June 9, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28598275/demographic-and-clinical-predictors-of-multiple-intracranial-aneurysms-in-patients-with-subarachnoid-hemorrhage
#19
Michael M McDowell, Yin Zhao, Christopher P Kellner, Sunjay M Barton, Eric Sussman, Jan Claassen, Andrew F Ducruet, E Sander Connolly
OBJECTIVE Pathophysiological differences that underlie the development and subsequent growth of multiple aneurysms may exist. In this study, the authors assessed the factors associated with the occurrence of multiple aneurysms in patients presenting with aneurysmal subarachnoid hemorrhage (SAH). METHODS Consecutive patients presenting with aneurysmal SAH between 1996 and 2012 were prospectively enrolled in the Subarachnoid Hemorrhage Outcome Project. Patients harboring 1, 2, or 3 or more aneurysms were stratified into groups, and the clinical and radiological characteristics of each group were compared using multivariate logistic regression...
June 9, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28598274/evaluation-of-ischemic-lesion-prevalence-after-endovascular-treatment-of-intracranial-aneurysms-as-documented-by-3-t-diffusion-weighted-imaging-a-2-year-single-center-cohort-study
#20
Christina Iosif, Jean-Christophe Lecomte, Eduardo Pedrolo-Silveira, George Mendes, Marie-Paule Boncoeur Martel, Suzana Saleme, Charbel Mounayer
OBJECTIVE Even though published data exist concerning the prevalence of ischemic lesions detected by diffusion-weighted imaging (DWI) following endovascular treatment of intracranial aneurysms, a single-center cross-evaluation of the different endovascular techniques has been lacking. The authors sought to prospectively evaluate the prevalence and clinical significance of ischemic lesions occurring after endovascular treatment of intracranial aneurysms and to compare the safety and effectiveness of a broad spectrum of currently accepted endovascular techniques in a single-center setting...
June 9, 2017: Journal of Neurosurgery
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