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Neurosurgical Review

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https://www.readbyqxmd.com/read/30426355/prophylactic-enlargement-of-the-thecal-sac-volume-by-spinal-expansion-duroplasty-in-patients-with-unresectable-malignant-intramedullary-tumors-and-metastases-prior-to-radiotherapy
#1
Ingo Fiss, C Bettag, B Schatlo, K von Eckardstein, I Tsogkas, A Schwarz, C von der Brelie, V Rohde
Unresectable malignant intramedullary tumors and metastases usually require radiotherapy which intensifies spinal cord edema and might result in neurological decline. Spinal expansion duroplasty before radiotherapy enlarges the intrathecal volume and might thus prevent neurological deficits. The study aims to evaluate the clinical course of patients undergoing expansion duroplasty. This retrospective analysis (2007-2016) included all patients with unresectable intramedullary tumors who underwent spinal expansion duroplasty...
November 14, 2018: Neurosurgical Review
https://www.readbyqxmd.com/read/30426354/mri-criteria-of-subtypes-of-adenomas-and-epithelial-cysts-of-the-pituitary-gland
#2
Stefanie Bette, Vicki M Butenschön, Benedikt Wiestler, Alexander von Werder, Roland M Schmid, Jens Lehmberg, Claus Zimmer, Bernhard Meyer, Jan S Kirschke, Jens Gempt
This study aimed to assess the clinical applicability of MRI criteria for differentiation of pituitary adenomas and cystic pituitary lesions. One hundred ninety-eight consecutive patients with surgical resection of a pituitary adenoma/cystic pituitary lesion were retrospectively analyzed, blinded to clinical data and histopathological diagnosis. Different morphologic criteria were assessed: signal intensity in T2/T1w images, pattern of contrast enhancement, size, super-/infrasellar extension, and invasion of the cavernous sinus...
November 13, 2018: Neurosurgical Review
https://www.readbyqxmd.com/read/30417213/quantitative-evaluation-of-diffusion-tensor-imaging-for-clinical-management-of-glioma
#3
REVIEW
Ye Li, Wenyao Zhang
Diffusion tensor imaging (DTI), assessing physiological motion of water in vivo, provides macroscopic view of microstructures of white matter in the central nervous system, and such imaging technique had been extensively used for the clinical treatment and research of glioma. This review mainly focuses on illuminating the merits of quantitative evaluation of DTI for glioma management. The content of the article includes DTI's application on tissue characterization, white matter tracts mapping, radiotherapy delineation, post-therapy outcome assessment, and multimodal imaging...
November 12, 2018: Neurosurgical Review
https://www.readbyqxmd.com/read/30415305/impact-of-connectivity-between-the-pars-triangularis-and-orbitalis-on-identifying-the-frontal-language-area-in-patients-with-dominant-frontal-gliomas
#4
Taiichi Saito, Yoshihiro Muragaki, Manabu Tamura, Takashi Maruyama, Masayuki Nitta, Shunsuke Tsuzuki, Takakazu Kawamata
We have previously revealed that identification of the frontal language area (FLA) can be difficult in patients with dominant frontal glioma involving the pars triangularis (PT). The present study added new cases and performed additional analyses. We noticed a new finding that the presence of extension to the pars orbitalis (POr) was associated with negative response to the FLA. The aim of the present study was to evaluate the impact of PT involvement with extension to the POr on the failure to identify the FLA...
November 10, 2018: Neurosurgical Review
https://www.readbyqxmd.com/read/30415304/supraorbital-keyhole-versus-pterional-craniotomies-for-ruptured-anterior-communicating-artery-aneurysms-a-propensity-score-matched-analysis
#5
Le-Bao Yu, Zheng Huang, Ze-Guang Ren, Jun-Shi Shao, Yan Zhang, Rong Wang, Dong Zhang
The safety and efficacy of the supraorbital keyhole approach for aneurysm surgery have not been well researched through a high-quality controlled study. The objective of the study was to compare the safety and efficacy of the supraorbital and pterional approaches for ruptured anterior communicating aneurysm (AComAn). A total of 140 patients, with 70 patients in each group, were enrolled after 1:1 propensity score matching. Clinical variables, postoperative complications, and long-term outcomes were retrospectively compared...
November 10, 2018: Neurosurgical Review
https://www.readbyqxmd.com/read/30406318/neuroendoscopic-biopsy-analysis-of-a-series-of-80-patients
#6
Ángela Ros-Sanjuán, Bienvenido Ros-López, Guillermo Ibáñez-Botella, Miguel Domínguez-Páez, Antonio Carrasco-Brenes, Miguel Ángel Arráez-Sánchez
Neuroendoscopy enables diagnostic biopsy of intraventricular and/or paraventricular tumors and the simultaneous treatment of associated hydrocephalus in selected cases. The objective of this paper was to analyze the effectiveness and safety of this procedure. This retrospective study included 80 patients between 2 months and 78 years old diagnosed with intraventricular and/or paraventricular expansive lesion who underwent neuroendoscopic biopsy from 2004 to 2016. Collected variables were gender, age at diagnosis, clinical presentation, tumor location, surgical technique, management of hydrocephalus, pathological findings, procedure-related complications, and follow-up time...
November 7, 2018: Neurosurgical Review
https://www.readbyqxmd.com/read/30397842/deep-brain-stimulation-in-pediatric-dystonia-a-systematic-review
#7
REVIEW
Andrew T Hale, Meredith A Monsour, John D Rolston, Robert P Naftel, Dario J Englot
While deep brain stimulation (DBS) treatment is relatively rare in children, it may have a role in dystonia to reduce motor symptoms and disability. Pediatric DBS studies are sparse and limited by small sample size, and thus, outcomes are poorly understood. Thus, we performed a systematic review of the literature including studies of DBS for pediatric (age < 21) dystonia. Patient demographics, disease causes and characteristics, motor scores, and disability scores were recorded at baseline and at last post-operative follow-up...
November 5, 2018: Neurosurgical Review
https://www.readbyqxmd.com/read/30374758/clinical-outcomes-following-early-versus-late-pharmacologic-thromboprophylaxis-in-patients-with-traumatic-intracranial-hemorrhage-a-systematic-review-and-meta-analysis
#8
REVIEW
Victor M Lu, Mohammed A Alvi, Richard A Rovin, Ekkehard M Kasper
Venous thromboembolism (VTE) after traumatic brain injury (TBI) with intracranial hemorrhage (ICH) presents a serious yet manageable morbidity and mortality risk. This systematic review and meta-analysis aimed to pool the current literature to evaluate whether or not pharmacologic thromboprophylaxis (PTP) administered early after traumatic ICH significantly changes incidence of VTE or hemorrhagic progression when compared to late administration. Systematic searches of seven electronic databases from their inception to July 2018 were conducted following the appropriate guidelines...
October 29, 2018: Neurosurgical Review
https://www.readbyqxmd.com/read/30367353/continuous-dynamic-mapping-to-avoid-accidental-injury-of-the-facial-nerve-during-surgery-for-large-vestibular-schwannomas
#9
Kathleen Seidel, Matthias S Biner, Irena Zubak, Jonathan Rychen, Jürgen Beck, Andreas Raabe
In vestibular schwannoma (VS) surgery postoperative facial nerve (CN VII) palsy is reducing quality of life. Recently, we have introduced a surgical suction device for continuous dynamic mapping to provide feedback during tumor resection without switching to a separate stimulation probe. The objective was to evaluate the reliability of this method to avoid CN VII injury. Continuous mapping for CN VII was performed in large VS (08/2014 to 11/2017) additionally to standard neurophysiological techniques. A surgical suction-and-mapping probe was used for surgical dissection and continuous monopolar stimulation...
October 26, 2018: Neurosurgical Review
https://www.readbyqxmd.com/read/30338415/from-the-heart-to-the-bladder-particularities-of-ventricular-shunt-topography-and-the-current-status-of-cerebrospinal-fluid-diversion-sites
#10
REVIEW
Cezar Octavian Morosanu, Gabriela Adriana Filip, Liviu Nicolae, Ioan Stefan Florian
Hydrocephalus represents the pathological elevation of cerebrospinal fluid (CSF) levels as a consequence of various embryological or acquired defects. Although the classic method of treatment is by means of diverting the CSF from the ventricular system towards the peritoneum, there are other sites of diversion that have proven their efficiency through time, in the context of complications related to the more common option of intraperitoneal insertion. The aim of the review is to assess and organize a database of all the types of shunt locations from the oldest shunt attempts until present, using Pubmed and Medline and to underline the particularities related to technique, indications, complications and associated epidemiological background...
October 18, 2018: Neurosurgical Review
https://www.readbyqxmd.com/read/30334173/the-pros-and-cons-of-digital-health-communication-tools-in-neurosurgery-a-systematic-review-of-literature
#11
REVIEW
Abdelrahman Nanah, Ahmed B Bayoumi
Effective communication is critical in healthcare facilitation. Our aim is to illustrate the impact of digital communication tools in the field of neurosurgery based on the cumulative recently published reports to show an evidence-based review of both benefits and limitations. We performed a systematic review of records published from January 2003 to March 2018. A specific set of keywords such as "digital" and "communication" were used on PubMed database to conduct a thorough online search...
October 17, 2018: Neurosurgical Review
https://www.readbyqxmd.com/read/30334172/predictive-variables-for-the-presence-of-vascular-malformations-as-the-cause-of-basal-ganglia-hemorrhages
#12
Nazife Dinc, Sae-Yeon Won, Nina Brawanski, Johanna Quick-Weller, Eva Herrmann, Volker Seifert, Gerhard Marquardt
To evaluate potential bleeding sources and predictive variables for basal ganglia hemorrhage. Fifty-seven patients with basal ganglia hemorrhage admitted to our neurosurgical ICU between 2005 and 2016 were retrospectively reviewed. Univariate and multivariate logistic analyses were used to assess predictive variables for identifying the bleeding source and outcome. ROC curves were plotted for a cutoff value for age and hematoma volume in patients with a vascular pathology and patients without a vascular pathology...
October 17, 2018: Neurosurgical Review
https://www.readbyqxmd.com/read/30327895/intraosseous-cavernous-malformations-of-the-skull-clinical-characteristics-and-long-term-surgical-outcomes
#13
Chengjun Wang, Dong Zhang, Shuo Wang, Yan Zhang, Rong Wang, Jizong Zhao
Intraosseous cavernous malformations (ICMs) of the skull are relatively rare, benign, and slow-growing tumors. Knowledge of these lesions is poor. The goals of this study were to describe the clinical manifestations, radiological features, and long-term surgical outcomes of this disease. We performed a retrospective analysis of a series of 16 cranial ICM patients who underwent surgical treatment in our hospital between 2003 and 2016. The incidence of cranial ICM was 1.15% among the entire series of intracranial and intraspinal CMs...
October 17, 2018: Neurosurgical Review
https://www.readbyqxmd.com/read/30311099/do-not-omit-the-grade-of-malignancy-when-correlating-the-lobar-location-of-diffuse-gliomas-and-the-risk-of-preoperative-epileptic-seizures
#14
LETTER
Johan Pallud, Marc Zanello, Alexandre Roux
No abstract text is available yet for this article.
October 11, 2018: Neurosurgical Review
https://www.readbyqxmd.com/read/30306357/laboratory-biomarkers-of-delayed-cerebral-ischemia-after-subarachnoid-hemorrhage-a-systematic-review
#15
REVIEW
Ramazan Jabbarli, Daniela Pierscianek, Marvin Darkwah Oppong, Tako Sato, Philipp Dammann, Karsten H Wrede, Klaus Kaier, Martin Köhrmann, Michael Forsting, Christoph Kleinschnitz, Andreas Roos, Ulrich Sure
Delayed cerebral ischemia (DCI) is a severe complication of subarachnoid hemorrhage (SAH). Clinical and radiographic features of SAH may be helpful in identification of individuals prone to DCI. The aim of this systematic review was to analyze the present evidence on predictive value of blood and cerebrospinal fluid (CSF) biomarkers of DCI after SAH. We systematically searched in PubMed, Scopus, Web of Science, and Cochrane Library databases for publications before July 15, 2018, reporting correlations between blood/CSF biomarkers and occurrence of DCI and/or vasospasm in SAH patients...
October 10, 2018: Neurosurgical Review
https://www.readbyqxmd.com/read/30293162/cranioplasty-following-decompressive-craniectomy-minor-surgical-complexity-but-still-high-periprocedural-complication-rates
#16
Ehab Shiban, Nicole Lange, Antonia Hauser, Ann-Kathrin Jörger, Arthur Wagner, Bernhard Meyer, Jens Lehmberg
Cranioplasty following decompressive craniectomy is of low surgical complexity, so much so that it has become the "beginners" cranial case. However, these "simple" procedures may have high complication rates. Identification of specific risk factors would allow targeted intervention to lower the complication rates. The aim of this study was to assess the rate of complications and to evaluate potential risk factors. We conducted a review of all patients who underwent cranioplasty in our center following decompressive craniectomy for stroke or brain trauma between 2009 and 2016...
October 6, 2018: Neurosurgical Review
https://www.readbyqxmd.com/read/30291476/developmental-venous-anomalies-and-brainstem-cavernous-malformations-a-proposed-physiological-mechanism-for-haemorrhage
#17
REVIEW
William N Maish
The incidental diagnosis of both developmental venous anomalies (DVAs) and cavernous malformations (CMs) in the central nervous system is increasing with improved imaging techniques. While classically silent diseases, these cerebrovascular pathologies can follow an aggressive course, particularly when present in the brainstem. In the last decade, substantial research has focussed on KRIT1-mediated tight junction gene expression and their role in CM development. However, our understanding of the physiologic conditions precipitating symptomatic CM development or CM haemorrhage with and without concomitant DVAs, remains lacking...
October 6, 2018: Neurosurgical Review
https://www.readbyqxmd.com/read/30288662/effectiveness-of-intraoperative-visual-evoked-potential-in-avoiding-visual-deterioration-during-endonasal-transsphenoidal-surgery-for-pituitary-tumors
#18
Kentaro Toyama, Masahiko Wanibuchi, Toshimi Honma, Katsuya Komatsu, Yukinori Akiyama, Takeshi Mikami, Nobuhiro Mikuni
Postoperative visual function is a major concern in transsphenoidal surgery (TSS). Although several reports have demonstrated the importance of visual evoked potential (VEP) monitoring during TSS, the usefulness of VEP monitoring have been controversial because of its reproducibility. Efficacy of VEP was analyzed in 20 consecutive cases of patients who underwent endoscopic endonasal TSS surgery. We adapted a high-power light-emitting diode stimulator with electroretinography using venous anesthesia. In addition, we used black shield patch and braided codes to obtain reproducible VEP amplitudes...
October 5, 2018: Neurosurgical Review
https://www.readbyqxmd.com/read/30276575/olfactory-function-in-patients-after-transsphenoidal-surgery-for-pituitary-adenomas-a-short-review
#19
REVIEW
Martin Majovsky, Jaromir Astl, Daniel Kovar, Vaclav Masopust, Vladimir Benes, David Netuka
Olfaction is an important sensory input that obviously affects many daily activities. However, olfactory dysfunction (hyposmia and anosmia) leads to a pronounced decrease in quality of life. Surprisingly, little attention has been paid to olfactory changes after transsphenoidal surgery for pituitary tumors. In this review, we summarize current knowledge of the effects of transsphenoidal pituitary surgery on olfaction and compare different surgical techniques. Based on selected studies, the endoscopic approach, in comparison with the microscopic approach, seems to be superior in terms of preservation of olfactory function, although the quality of data from these studies is generally poor...
October 1, 2018: Neurosurgical Review
https://www.readbyqxmd.com/read/30259268/comparison-of-three-fixation-modalities-for-unilateral-open-door-cervical-laminoplasty-a-systematic-review-and-network-meta-analysis
#20
REVIEW
Zhuomao Mo, Dong Li, Renwen Zhang, Minmin Chang, Binbin Yang, Shujie Tang
Three fixation modalities including suture suspensory, anchor, and titanium plate are used extensively in unilateral open-door cervical laminoplasty. Nevertheless, up to now no systematic review and network meta-analysis have been published, and the differences in efficacy and safety of the three fixation modalities are still unclear. The purpose of this study is to compare the effectiveness and safety of the three fixation modalities including suture suspensory, anchor, and titanium plate in unilateral open-door cervical laminoplasty...
September 27, 2018: Neurosurgical Review
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