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Neurosurgical Review

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https://www.readbyqxmd.com/read/28921308/pregnancy-and-delivery-in-moyamoya-vasculopathy-experience-of-a-single-european-institution
#1
Güliz Acker, Marcus Czabanka, Peter Schmiedek, Peter Vajkoczy
Moyamoya vasculopathy (MMV) is a stenoocclusive cerebrovascular disease frequently affecting adolescent females. Thus, the management of pregnancy is of major interest for physicians dealing with MMV patients. However, clinical data concerning pregnant MMV patients is lacking. Our aim was to analyze the course of pregnancy in our European MMV patient cohort. We retrospectively identified MMV patients with a history of pregnancy who were treated in our institution. We analyzed demographic data, clinical symptoms, treatment, and detailed history of pregnancies...
September 18, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/28921173/maximizing-safe-resections-the-roles-of-5-aminolevulinic-acid-and-intraoperative-mr-imaging-in-glioma-surgery-review-of-the-literature
#2
REVIEW
Eric Suero Molina, S Schipmann, W Stummer
Malignant glioma surgery involves the challenge of preserving the neurological status of patients harboring these lesions while pursuing a maximal tumor resection, which is correlated with overall and progression-free survival. Presently, several tools exist for assisting neurosurgeons in visualizing malignant tissue. Fluorescence-guided surgery (FGS) with 5-aminolevulinic acid (5-ALA) has increasingly been used during the last decade for identifying malignant glioma. Intraoperative magnetic resonance imaging (iMRI), first introduced in the mid-1990s, is being evaluated as a further tool to maximize the extent of resection...
September 18, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/28918564/mri-combined-with-pet-ct-of-different-tracers-to-improve-the-accuracy-of-glioma-diagnosis-a-systematic-review-and-meta-analysis
#3
REVIEW
Yihan Yang, Mike Z He, Tao Li, Xuejun Yang
Based on studies focusing on positron emission tomography (PET)-computed tomography (CT) combined with magnetic resonance imaging (MRI) in the diagnosis of glioma, we conducted a systematic review and meta-analysis evaluating the pros and cons and the accuracy of different examinations. PubMed and Cochrane Library were searched. The search was conducted until April 2017. Two reviewers independently conducted the literature search according to the criteria set initially. Based on the exclusion criteria, 15 articles are included in this study...
September 16, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/28905137/the-quality-assessment-of-clinical-practice-guidelines-for-intracranial-aneurysms-a-systematic-appraisal
#4
Qiao Li, Yingchun Yang, Yawen Pan, Lei Duan, Hu Yang
Intracranial aneurysms are common in adults. The relevant guidelines for patients with intracranial aneurysms aim to standardize the clinical practice and decision making for these patients. However, their management is controversial, and the quality of the guidelines has not been assessed. We aim to evaluate the quality of the guidelines for intracranial aneurysms as well as to compare and analyze the recommendations between different guidelines. Systematic searches were conducted to identify the guidelines for intracranial aneurysms from general electronic and guideline databases...
September 13, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/28900754/surgery-versus-stereotactic-radiosurgery-for-the-treatment-of-multiple-meningiomas-in-neurofibromatosis-type-2-illustrative-case-and-systematic-review
#5
REVIEW
Thien Nguyen, Lawrance K Chung, John P Sheppard, Nikhilesh S Bhatt, Cheng Hao Jacky Chen, Carlito Lagman, Tania Kaprealian, Percy Lee, Phioanh L Nghiemphu, Isaac Yang
Neurofibromatosis type 2 (NF2) is a genetic neoplastic disorder that presents with hallmark bilateral vestibular schwannomas and multiple meningiomas. Though the current standard of care for meningiomas includes surgery, the multiplicity of meningiomas in NF2 patients renders complete resection of all developing lesions infeasible. Stereotactic radiosurgery (SRS) may be a viable non-invasive therapeutic alternative to surgery. We describe a particularly challenging case in a 39-year-old male with over 120 lesions who underwent more than 30 surgical procedures, and review the literature...
September 13, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/28890998/neurodegenerative-cerebrospinal-fluid-biomarkers-tau-and-amyloid-beta-predict-functional-quality-of-life-and-neuropsychological-outcomes-after-aneurysmal-subarachnoid-hemorrhage
#6
Holger Joswig, Wolfgang Korte, Severin Früh, Lorenz Epprecht, Gerhard Hildebrandt, Jean-Yves Fournier, Martin Nikolaus Stienen
Cerebrospinal fluid (CSF) biomarkers might be useful in predicting outcome after aneurysmal subarachnoid hemorrhage (aSAH). It was the aim to determine whether tau and amyloid beta CSF concentrations predict functional, health-related quality of life (hrQoL), and neuropsychological outcomes after aSAH. Ventricular CSF was obtained from n = 24 aSAH patients at admission (D0), day 2 (D2), and day 6 (D6). CSF total (t)Tau, phosphorylated (p)Tau(181P), and amyloid beta(1-40 and 1-42) (Aβ40/Aβ42) levels were compared between patients with favorable and unfavorable functional (modified Rankin Scale (mRS)), hrQoL (Euro-Qol (EQ-5D)), and neuropsychological outcomes at 3 (3 m) and 12 months (12 m)...
September 10, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/28887717/prognostic-importance-of-temozolomide-induced-neutropenia-in-glioblastoma-idh-wildtype-patients
#7
Taiichi Saito, Kazuhiko Sugiyama, Seiji Hama, Fumiyuki Yamasaki, Takeshi Takayasu, Ryo Nosaka, Yoshihiro Muragaki, Takakazu Kawamata, Kaoru Kurisu
Standard treatment for patients with primary glioblastoma (GBM) includes surgery, radiotherapy, and concomitant and adjuvant temozolomide (TMZ). Recent reports have demonstrated that TMZ-induced myelosuppression correlates with survival in patients with GBM. However, those results were evaluated before the 2016 revision of the World Health Organization classification. This study examined whether myelosuppression during concomitant TMZ phase correlates with prognosis in GBM, IDH-wildtype patients. We examined circulating blood cell counts in 50 patients with GBM, IDH-wildtype who received the standard treatment protocol between August 2005 and November 2015...
September 9, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/28879421/the-history-of-rhoton-s-lab
#8
REVIEW
Toshio Matsushima, J Richard Lister, Ken Matsushima, Evandro de Oliveira, Erdener Timurkaynak, David A Peace, Shigeaki Kobayashi
The work performed in Dr. Rhoton's Lab, represented by over 500 publications on microneurosurgical anatomy, greatly contributed to improving the level of neurosurgical treatment throughout the world. The authors reviewed the development and activities of the Lab over 40 years. Dr. Albert L. Rhoton Jr., the founder of, and leader in, this field, displayed great creativity and ingenuity during his life. He devoted himself to perfecting his study methodology, employing high-definition photos and slides to enhance the quality of his published papers...
September 6, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/28856492/tumor-location-and-patient-age-predict-biological-signatures-of-high-grade-gliomas
#9
Roberto Altieri, Francesco Zenga, Alessandro Ducati, Antonio Melcarne, Fabio Cofano, Marco Mammi, Giuseppe Di Perna, Riccardo Savastano, Diego Garbossa
Prognostic factors for high-grade gliomas include patient age, IDH1 mutation, MGMT methylation, and Ki67 value. We assessed the predictive role of topographic location of gliomas for their biological signatures. Collecting all neuroradiological and histological data of patients with histologically proven HGG, we performed a retrospective monocentric study. A predictive value of frontal location for a lower Ki67 value (especially in the left hemisphere) and mutation of IDH1 (especially in the right hemisphere) was found...
August 31, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/28840371/pathogenesis-of-peri-tumoral-edema-in-intracranial-meningiomas
#10
REVIEW
Moncef Berhouma, Timothee Jacquesson, Emmanuel Jouanneau, François Cotton
Peri-tumoral edema in intracranial meningiomas occurs frequently and obviously impacts the morbidity and mortality of these predominantly benign neoplasms. Several causative factors (age, gender, volume, location…) have been unsuccessfully investigated. Despite recent progresses in metabolic imaging and molecular biology, the pathogenesis of peri-tumoral edema remains debated. Hypotheses include vascular endothelial growth factor, metalloproteinases and interleukins among many others. It is probable that this pathogenesis encompasses all these factors with different levels...
August 24, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/28831592/a-comparative-study-of-intraoperative-findings-and-postoperative-outcomes-between-atypical-and-typical-hemifacial-spasms
#11
MingXing Liu, Lei Xia, Jun Zhong, Bin Li, NingNing Dou, ShiTing Li
In most hemifacial spasm cases, the spasm initiates from the orbicularis occuli muscle and gradually spreads downwards to the orbicularis oris and buccinator muscles. Seldomly, the spasm might start from the orbicularis oris and buccinator muscles and develop upwards, which has been called as atypical hemifacial spasm (aHFS). Until now, little is known about its pathogenesis and the efficacy of microvascular decompression (MVD) surgery. We reviewed 1935 HFS cases undergoing MVD between 2007 through 2016. Among them, 15 were diagnosed as aHFS, whom were focused on...
August 22, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/28821992/analysis-of-outcome-at-discharge-after-aneurysmal-subarachnoid-hemorrhage-in-japan-according-to-the-japanese-stroke-databank
#12
Fusao Ikawa, Masaru Abiko, Daizo Ishii, Jyunpei Ohshita, Toshinori Matsushige, Takahito Okazaki, Shigeyuki Sakamoto, Eisuke Hida, Shotai Kobayashi, Kaoru Kurisu
The outcomes at discharge for ruptured cerebral aneurysms after subarachnoid hemorrhage (SAH) were investigated using data from the Japanese stroke databank. Among 101,165 patients with acute stroke registered between 2000 and 2013, 4693 patients had SAH caused by ruptured saccular aneurysm. Of these, 3593 patients (1140 men and 2453 women; mean age 61.3 ± 13.7 years) were treated by surgical clipping (SC) and/or endovascular coiling (EC). The outcomes of modified Rankin scale (mRS) at discharge were compared between the SC and EC groups...
August 19, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/28819802/significance-of-human-chorionic-gonadotropin-as-a-predictor-of-resistance-to-standard-chemo-radiotherapy-for-pure-germinoma
#13
Akihiro Inoue, Takanori Ohnishi, Shohei Kohno, Shiro Ohue, Shinji Iwata, Shirabe Matsumoto, Masahiro Nishikawa, Saya Ozaki, Yawara Nakamura, Yosuke Mizuno, Riko Kitazawa, Takeharu Kunieda
Intracranial pure germinomas in children generally respond well to standard chemo-radiotherapy. However, some patients are refractory to standard therapy and require additional treatment. To investigate the characteristics of this subgroup, we retrospectively analyzed the clinical features and treatment outcomes of a cohort of 21 patients with intracranial pure germinomas who were diagnosed between April 2002 and December 2016 at Ehime University Hospital in Japan. Pure germinoma diagnosis was verified by histological examination of the tumor after surgery, and all patients received standard chemo-radiotherapy...
August 18, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/28819885/adenosine-assisted-clipping-of-intracranial-aneurysms
#14
Torstein R Meling, Luis Romundstad, Geir Niemi, Jon Narum, Per Kristian Eide, Angelika G Sorteberg, Wilhelm A Sorteberg
Temporary parent vessel clip occlusion in aneurysm surgery is not always practical or feasible. Adenosine-induced transient cardiac arrest may serve as an alternative. We retrospectively reviewed our clinical database between September 2011 and July 2014. All patients who underwent microsurgical clipping of intracranial aneurysms under adenosine-induced asystole were included. A total of 18 craniotomies were performed, and 18 aneurysms were clipped under adenosine-induced asystole (7 basilar arteries, 8 internal carotid arteries, 1 middle cerebral artery, and 1 anterior communicating artery) in 16 patients (10 females, 6 males)...
August 17, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/28819834/recurrence-of-endovascularly-and-microsurgically-treated-intracranial-aneurysms-review-of-the-putative-role-of-aneurysm-wall-biology
#15
REVIEW
Serge Marbacher, Mika Niemelä, Juha Hernesniemi, Juhana Frösén
Although endovascular therapy has been proven safe and has become in many centers the primary method of treatment for intracranial aneurysms, the long-term durability of endovascular embolization remains a concern; at least for some aneurysms despite initial good result. While healing after clipping relies on mechanical occlusion, restoration after endovascular occlusion mainly requires the induction of a biological response. Healing after embolization depends on the growth of new tissue over the thrombus formed by the embolization material, or alternatively, on the organization of thrombus into fibrous tissue...
August 17, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/28819696/what-are-the-treatment-options-for-blister-like-aneurysms
#16
REVIEW
Torstein R Meling
Treatment of blood blister-like aneurysms (BBAs) of the supraclinoidal internal carotid artery (ICA) is challenging and the optimal treatment is yet to be defined. The treatment options for ICA BBAS are microsurgery, endovascular therapy, or a combination of the two. The microsurgical armamentarium consists mainly of direct aneurysm clipping with or without protective EC-IC bypass, clip-wrapping, or trap ligation with ICA sacrifice with or without EC-IC bypass. The endovascular treatment options are mainly endovascular ICA ligation, multiple overlapping stents (≥ 3) with or without coiling, covered stents, or flow diverters...
August 17, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/28819694/thoracic-corpectomy-for-neoplastic-vertebral-bodies-using-a-navigated-lateral-extracavitary-approach-a-single-center-consecutive-case-series-technique-and-analysis
#17
Sebastian Hartmann, Christoph Wipplinger, Anja Tschugg, Pujan Kavakebi, Alexander Örley, Pierre Pascal Girod, Claudius Thomé
Thoracic myelopathy is often caused by vertebral body fractures resulting from neoplastic conditions, traumatic events, or infectious diseases. One of the preferred procedures for treating it is the lateral extracavitary approach (LECA) with single-level or multilevel decompressive corpectomy and reconstruction. The aim of this retrospective study was to analyze the thoracic lateral extracavitary approach with corpectomy using vertebral body replacement systems (VBR-S) and dorsal reconstruction. Twenty-four patients with metastatic or primary lesions of thoracic vertebrae T2-T12 underwent spinal decompression and ventral column reconstruction with correction of spinal deformity via a LECA...
August 17, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/28815322/headache-in-patients-with-chronic-subdural-hematoma-analysis-in-1080-patients
#18
Shoko M Yamada, Yusuke Tomita, Hideki Murakami, Makoto Nakane, So Yamada, Mineko Murakami, Katsumi Hoya, Tadayoshi Nakagomi, Akira Tamura, Akira Matsuno
Headache is a major symptom in chronic subdural hematoma (CSDH) patients. However, some CSDH patients do not complain headache although the hematoma is thick with definite midline shift. This clinical study was performed to identify the mechanism of headache in CSDH patients. We compiled clinical data of 1080 surgically treated CSDH patients (711 males and 369 females), and in 54 cases, the pressure of hematoma was measured during burr hole surgery using a glass-stick manometer. Headache was recognized in 22...
August 16, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/28815312/trilateral-retinoblastoma-a-systematic-review-of-211-cases
#19
REVIEW
Ryuya Yamanaka, Azusa Hayano, Yasuo Takashima
We conducted a systematic review of 72 studies to characterize trilateral retinoblastomas. Kaplan-Meier analysis was used to estimate survival, and statistical significance was assessed by using a log-rank test. We analyzed 211 cases of trilateral retinoblastomas. The average age of onset of retinoblastoma was 0.79 ± 1.38 years, and the average latency period between the onset of retinoblastomas and trilateral retinoblastomas was 1.49 ± 1.76 years. The brain tumors were found before the retinoblastoma diagnosis in 6 cases (3...
August 16, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/28799142/what-to-do-in-failed-hemispherotomy-our-clinical-series-and-review-of-the-literature
#20
REVIEW
Andrea Bartoli, Y El Hassani, B Jenny, S Momjian, C M Korff, M Seeck, S Vulliemoz, K Schaller
Hemispherotomy is an established surgical technique to cure or palliate selected, mostly young patients suffering from refractory epilepsy. However, a few patients continue to have seizures despite the surgical hemispherical disconnection. We present a case series of patients who underwent redo hemispherotomy after a first unsuccessful hemispherical disconnection and provide a roadmap for subsequent workup and treatment. The institutional database of epilepsy surgery was reviewed. Twenty-four patients who underwent hemispherotomies for refractory epilepsy were identified between 2007 and 2016...
August 10, 2017: Neurosurgical Review
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