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Neurosurgical Review

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https://www.readbyqxmd.com/read/29313181/intraoperative-neurophysiological-monitoring-during-spinal-surgery-technical-review-in-open-and-minimally-invasive-approaches
#1
REVIEW
Fabio Cofano, Francesco Zenga, Marco Mammi, Roberto Altieri, Nicola Marengo, Marco Ajello, Paolo Pacca, Antonio Melcarne, Carola Junemann, Alessandro Ducati, Diego Garbossa
Neurophysiological monitoring is of undoubted value for the intraoperative safety of neurosurgical procedures. Widely developed and used for cranial surgery, it is equally as effective, though perhaps less commonly employed, for spinal pathology. The most frequently used techniques for intraoperative monitoring during spinal surgery include somatosensory evoked potentials (SSEPs), motor evoked potentials (MEPs) and electromyography, which can either be spontaneous free-running (sEMG) or triggered (tEMG). The knowledge of the benefits and limitations of each modality is essential in optimising the value of intraoperative monitoring during spinal procedures...
January 8, 2018: Neurosurgical Review
https://www.readbyqxmd.com/read/29306976/deep-brain-stimulation-of-the-anterior-nucleus-of-the-thalamus-for-drug-resistant-epilepsy
#2
REVIEW
Tim A M Bouwens van der Vlis, Olaf E M G Schijns, Frédéric L W V J Schaper, Govert Hoogland, Pieter Kubben, Louis Wagner, Rob Rouhl, Yasin Temel, Linda Ackermans
Despite the use of first-choice anti-epileptic drugs and satisfactory seizure outcome rates after resective epilepsy surgery, a considerable percentage of patients do not become seizure free. ANT-DBS may provide for an alternative treatment option in these patients. This literature review discusses the rationale, mechanism of action, clinical efficacy, safety, and tolerability of ANT-DBS in drug-resistant epilepsy patients. A review using systematic methods of the available literature was performed using relevant databases including Medline, Embase, and the Cochrane Library pertaining to the different aspects ANT-DBS...
January 6, 2018: Neurosurgical Review
https://www.readbyqxmd.com/read/29290044/aggressive-somatotrophinomas-lacking-clinical-symptoms-neurosurgical-management
#3
Mario Giordano, Amir Samii, Rudolf Fahlbusch
We report our experience about somatotrophinomas without clinical manifestation of acromegaly having radiological- and surgical-verified invasion of the cavernous sinus. We present the clinical, radiological and hormonal status of three patients affected by invasive GH-secreting pituitary adenomas without clinical signs and symptoms of acromegaly with elevation of serum IGF-1 from a series of 142 pituitary adenomas operated in our institute with the aid of intraoperative magnetic resonance imaging (MRI). Total tumor removal was possible in two of the three cases; the patients show normal hormonal status and no recurrence at long-term follow-up...
December 30, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/29280021/clinical-features-and-neurosurgical-treatment-of-trigonal-cavernous-malformations
#4
Chengjun Wang, Meng Zhao, Xiaofeng Deng, Jia Wang, Zhongli Jiang, Jizong Zhao
The goals of this study were to analyze the incidence, clinical manifestations, neuroimaging findings, surgical treatments, and neurological outcomes of trigonal cavernous malformations (TCMs). Among 1395 cases of intracranial and intraspinal cavernous malformations (CMs) surgically treated between 2003 and 2016 at Beijing Tiantan Hospital, a series of 12 patients with TCM was chosen for analysis and their records were reviewed. We also performed an exhaustive literature search using PubMed to identify all previously reported cases in the literatures...
December 26, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/29260342/predictors-for-a-further-local-in-brain-progression-after-re-craniotomy-of-locally-recurrent-cerebral-metastases
#5
Marcel A Kamp, Igor Fischer, Maxine Dibué-Adjei, Christopher Munoz-Bendix, Jan-Frederick Cornelius, Hans-Jakob Steiger, Philipp J Slotty, Bernd Turowski, Marion Rapp, Michael Sabel
Treatment of recurrent cerebral metastases is an emerging challenge due to the high local failure rate after surgery or radiosurgery and the improved prognosis of patients with malignancies. A total of 36 patients with 37 metastases who underwent surgery for a local in-brain progression of a cerebral metastasis after previous metastasectomy were retrospectively analyzed. Degree of surgical resection on an early postoperative MRI within 72 h after surgery was correlated with the local in-brain progression rate and overall survival...
December 20, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/29238923/endoscopic-therapy-and-curative-effect-in-pituitary-adenoma-patients-complicated-by-acromegalic-cardiomyopathy
#6
Heping Zhou, Zhengjiang Zha, Xiangdong Li, Xinsheng Chen, Jing Wang, Zhongzhou Su
The study aimed to retrospectively analyze the clinical characteristics of patients with pituitary adenomas complicated by acromegalic cardiomyopathy and to evaluate the effect of endoscopic surgery. Eighty-six pituitary adenoma patients complicated by acromegalic cardiomyopathy who were treated with endoscopic surgery in the First Affiliated Hospital of Soochow University from January 2010 to December 2016 were enrolled. We noted patient clinical characteristics and explored the relationships with surgical treatment...
December 13, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/29236183/awake-mapping-is-not-an-additional-surgical-technique-but-an-alternative-philosophy-in-the-management-of-low-grade-glioma-patients
#7
LETTER
Hugues Duffau
No abstract text is available yet for this article.
December 13, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/29230595/an-optimized-technique-of-endoscopic-third-ventriculocisternostomy-etv-for-children-with-occlusive-hydrocephalus
#8
Albert Akramovich Sufianov, Ekkehard M Kasper, Rinat Albertovich Sufianov
In this article, we present an optimized minimally invasive technique of ETV for children with occlusive hydrocephalus. The study comprises of 64 consecutive pediatric cases (34 boys and 30 girls aged from 1 month to 5 years) of occlusive hydrocephalus from various etiologies, which were treated with a modified technique of ETV. Mean clinical follow-up period after ETV was 24.2 ± 3.8 months. Application of the new technique made it possible to significantly reduce the length of the soft tissue incision for access, and the use of upgraded instruments allowed to perform a twist drill hole in the skull to less than half a usual size...
December 11, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/29199381/neurosurgical-management-of-cavernous-malformations-located-at-the-foramen-of-monro
#9
Chengjun Wang, Meng Zhao, Xiaofeng Deng, Jia Wang, Qingming Shu, Zhongli Jiang, Jizong Zhao
Cavernous malformations (CMs) located at the foramen of Monro (FM) are relatively rare benign vascular malformations. Knowledge of FM CM is poor. The aims of this study were to describe the incidence, clinical presentation, radiological features, surgical approaches, and neurological outcomes for FM CM patients and to discuss the treatment strategy for this disease. We present a series of nine FM CM patients (four males, five females; mean age 29.3 years) who were treated at a single neurosurgical center. FM CM accounted for 0...
December 4, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/29189958/surgical-treatment-of-spinal-metastases-from-renal-cell-carcinoma-effects-of-preoperative-embolization-on-intraoperative-blood-loss
#10
Matthias Reitz, Klaus Christian Mende, Christopher Cramer, Theresa Krätzig, ZSuzsanna Nagy, Eik Vettorazzi, Sven Oliver Eicker, Marc Dreimann
The objective of this paper is analyzing the effects of preoperative embolization on intraoperative blood loss in spinal surgery for renal cell carcinoma (RCC) metastasis and identifying factors contributing to an increased blood loss in the surgical procedure. A retrospective analysis was performed in patients who were treated in for spinal metastasis from RCC between 2011 and 2016. Factors analyzed were reduction of tumor blush, timing of embolization, selective vs. superselective approach, surgical factors, and tumor volume and localization...
November 30, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/29185147/predicting-pituitary-stalk-position-by-in-vivo-visualization-of-the-hypothalamo-hypophyseal-tract-in-craniopharyngioma-using-diffusion-tensor-imaging-tractography
#11
Fuyu Wang, Jinli Jiang, Jiashu Zhang, Qun Wang
The pituitary stalk (PS) is crucial to endocrine function and water-electrolyte equilibrium. Preservation of the PS during craniopharyngioma (CP) surgery is critical; however, in a pathological state, it is difficult to identify. The hypothalamo-hypophyseal tract (HHT) connects the hypothalamus and the posterior pituitary gland and projects through the PS. Thus, visualization of the HHT can help locate the PS. Preoperative visualization of the neural fasciculus has been widely achieved using diffusion tensor imaging (DTI) tractography...
November 28, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/29181806/-coil-mainly-policy-in-management-of-intracranial-acoa-aneurysms-single-centre-experience-with-the-systematic-review-of-literature-and-meta-analysis
#12
Anna Steklacova, Ondrej Bradac, Patricia de Lacy, Jiri Lacman, Frantisek Charvat, Vladimir Benes
Endovascular techniques are still expanding in their capability by introducing novel technologies. Nevertheless, anterior communicating artery (ACoA) remains the region with high propensity for aneurysm (AN) re-growth after endovascular intervention. The purpose of this study is to highlight the ongoing importance for microsurgical treatment. The authors conducted a single-institution retrospective study of ACoA AN treatment between January 2000 and December 2016 maintaining "coil mainly" policy. The results are supplied with a systematic review of the literature...
November 28, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/29177821/arterial-aneurysms-associated-with-intracranial-dural-arteriovenous-fistulas-epidemiology-natural-history-and-management-a-systematic-review
#13
REVIEW
Federico Cagnazzo, Andrea Peluso, Riccardo Vannozzi, Waleed Brinjikji, Giuseppe Lanzino, Paolo Perrini
Arterial aneurysms are uncommon among patients with dural arteriovenous fistulae (DAVFs), and there is limited information available to guide treatment decisions in such cases. We performed a systematic review of the literature, including a case of a DAVF associated with a flow-related intraorbital ophthalmic artery (OA) aneurysm that we have recently managed. The purpose of our study was to clarify epidemiology, natural history, and management of these lesions. A total of 43 published cases of DAVF associated aneurysms were found in 26 studies on the topic...
November 25, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/29138949/multiple-high-grade-gliomas-epidemiology-management-and-outcome-a-systematic-review-and-meta-analysis
#14
REVIEW
Davide Tiziano Di Carlo, Federico Cagnazzo, Nicola Benedetto, Riccardo Morganti, Paolo Perrini
Multiple high-grade gliomas (M-HGGs) are well--separated tumors, differentiated as multifocal (MF) and multicentric (MC) by their MRI features. The authors performed a systematic review and meta-analysis of literature examining epidemiology, clinical and radiological characteristics, management, and the overall survival from M-HGGs. According to PRISMA guidelines, a comprehensive review of studies published between January 1990 and January 2017 was carried out. The authors identified studies that examined the prevalence rate, clinical and radiological characteristics, treatment, and overall survival from M-HGGs in patients with HGG...
November 14, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/29130124/systemic-autoimmune-diseases-complicated-with-hydrocephalus-pathogenesis-and-management
#15
REVIEW
Hexiang Yin, Junji Wei, Li Wang, Liying Cui, Renzhi Wang
Systemic autoimmune diseases (SAIDs) represent a group of syndromes involving at least two organ systems. Classical SAIDs include connective tissue diseases, vasculitis, and granulomatous diseases, many of which involve the nervous system and result in different neurological manifestations. Hydrocephalus can be a rare but lethal complication of various SAIDs, including systemic lupus erythematosus (SLE), rheumatoid arthritis (RA), sarcoidosis, and primary vasculitis. However, the pathogenesis of SAIDs complicated with different types of hydrocephalus is varied and difficult to determine using the existing published data, and various manifestations and expressive forms of the conditions bring a substantial challenge to a timely clinical diagnosis and treatment...
November 12, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/29116423/postoperative-occipital-neuralgia-in-posterior-upper-cervical-spine-surgery-a-systematic-review
#16
Qing Guan, Fei Xing, Ye Long, Zhou Xiang
Postoperative occipital neuralgia (PON) after upper cervical spine surgery can cause significant morbidity and may be overlooked. The causes, presentation, diagnosis, management, prognosis, and prevention of PON were reviewed following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines. English-language studies and case reports published from inception to 2017 were retrieved. Data on surgical procedures, incidence, cause of PON, management, outcomes, and preventive technique were extracted...
November 7, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/29105011/modern-robot-assisted-radiosurgery-of-cerebral-angiomas-own-experiences-system-comparisons-and-comprehensive-literature-overview
#17
Thomas Feutren, Andres Huertas, Julia Salleron, René Anxionnat, Serge Bracard, Olivier Klein, Didier Peiffert, Valérie Bernier-Chastagner
Cerebral arteriovenous malformations (AVMs) are rare vascular lesions potentially responsible for substantial neurological morbidity and mortality. Over the past four decades, radiosurgery has become a valid therapeutic option for many patients with small intracranial AVMs, but reports describing the use of robotic stereotactic radiosurgery (SRS) are rare. The purposes of this study are to describe the efficacy and toxicity of robotic SRS for AVMs and to review the literature. The reports of 48 consecutive patients treated with SRS were reviewed...
November 5, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/29090359/oblique-retroperitoneal-approach-for-lumbar-interbody-fusion-from-l1-to-s1-in-adult-spinal-deformity
#18
Ki-Tack Kim, Dae-Jean Jo, Sang-Hyun Lee, Eun-Min Seo
In recent years, with advancements in surgical techniques and instrumentation, the lateral lumbar interbody fusion is being used increasingly as an alternative procedure to anterior approach. In this study, we illustrated a oblique retroperitoneal approach for lumbar interbody fusion with one incision site and tilting of the operation table in adult spinal deformity and evaluate the radiographical findings and clinical outcomes of patients treated using this technique. This study included 32 patients scheduled to undergo anterior and posterior long-level fusions for lumbar degenerative kyphosis or degenerative lumbar scoliosis...
October 31, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/29086084/the-association-between-collagen-gene-polymorphisms-and-intracranial-aneurysms-a-meta-analysis
#19
REVIEW
Qingling Meng, Qiang Hao, Chuanjie Zhao
The association between single nucleotide polymorphisms (SNPs) of the collagen gene and intracranial aneurysm (IA) pathogenesis remains controversial. Thus, in this study, a meta-analysis was performed to evaluate the association between collagen gene SNPs and the incidence of IA. A systematic search of major online databases up to March 2017 was performed. Five genetic models (allelic, dominant, recessive, heterozygous, and homozygous models) were used to analyze the associations. A total of 14 trials with 13,709 patients were included...
October 31, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/29080054/double-pituitary-adenomas-associated-with-persistent-trigeminal-artery-a-rare-case-report-and-the-review-of-literature
#20
Naohisa Miyagi, Ryou Doi, Terukazu Kuramoto, Kiyohiko Sakata, Shigeyuki Tahara, Yasuo Sugita, Motohiro Morioka
Multiple pituitary adenomas are rare. We present a quite unique case of double pituitary adenomas associated with persistent trigeminal artery (PTA) treated by endoscopic surgery. To the best of our knowledge, this is the first report in the literature. A 64-year-old woman was referred to our hospital for suspicion of acromegaly. Preoperative magnetic resonance imaging revealed two separate intrasellar masses with intrasellar vascular structure. Right cerebral angiography showed medial-type PTA. The patient underwent endoscopic transsphenoidal surgery and both tumors were resected completely...
October 27, 2017: Neurosurgical Review
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