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World Neurosurgery

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https://www.readbyqxmd.com/read/28093349/combining-internal-carotid-ligation-with-low-flow-bypass-for-treating-large-giant-cavernous-sinus-segment-aneurysms-a-report-of-four-cases
#1
Chuan Chen, Bo Hou, Wen-Shen Li, Ying Guo
OBJECTIVE: We summarize the treatment effectiveness and experience of four cases that underwent internal carotid ligation combined with low-flow bypass as a treatment for large-giant cavernous sinus segment aneurysms (CS ICA aneurysms). METHOD: Surgery-suitable patients with large-giant CS ICA aneurysms received internal carotid ligation combined with low-flow superficial temporal artery - middle cerebral artery bypass surgery. All the patients were followed up for aneurysm prognosis, anastomosis patency, and occurrences of low flow-related ischemic complications...
January 13, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28093348/caudally-directed-inferior-facetal-and-transfacetal-screws-for-c1-c2-and-c1-2-3-fixation
#2
Atul Goel
An alternative caudally directed C2 inferior facetal screw is described. Such screw insertion can form the axial stabilization point in cases undergoing atlantoaxial lateral mass plate/rod and screw fixation and those undergoing C1-2and C1-2-3 spinal fixation. The C2 screw courses from the medial point of pedicle-laminar junction and travels caudally and laterally towards the C2-3 articulation. Deploying a longer screw that traverses in a transarticular fashion into the facetal mass of C3 vertebra one can perform C1-2-3 stabilization...
January 13, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28093347/a-novel-invasive-related-biomarker-in-three-subtypes-of-non-functioning-pituitary-adenomas
#3
Yong Chen, Hong-Li Chuan, Sheng-Yuan Yu, Chu-Zhong Li, Zhe-Bao Wu, Gui-Lin Li, Ya-Zhuo Zhang
OBJECTIVES: To identify biomarkers key to invasiveness of the three subtypes of non-functioning pituitary adenomas (NFPAs) and provide a guidance for therapeutic decision-making and identification of potential adjuvant drugs. METHODS: Fifty NFPAs tumor tissues obtained from transsphenoidal surgery were used in the study. Three invasive NFPAs and four non-invasive NFPAs were used for gene expression microarray analyses; Additionally, there are five invasive NFPAs and four non-invasive NFPAs used for proteomic analyses...
January 13, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28093346/impact-of-obesity-on-complications-and-30-day-readmission-rates-after-cranial-surgery-a-single-institutional-study-of-224-consecutive-craniotomy-craniectomy-procedures
#4
Amanda Sergesketter, Aladine A Elsamadicy, Oren N Gottfried
BACKGROUND: the prevalence of obesity is growing at a disparaging rate in the United States. While prior studies have associated obesity with increased surgical complications and readmission rates, the impact of obesity on surgical outcomes after cranial surgery remains understudied. The aim of this study is to assess the effect obesity has on complication and 30-day readmission rates after cranial surgery. METHODS: The medical records of 224 (Non-Obese: n=164, Obese: n=60) consecutive patients undergoing either craniotomy or craniectomy at a major academic institution in 2011 were reviewed...
January 13, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28093345/stereotactic-radiosurgery-srs-for-melanoma-brain-metastases-a-comprehensive-clinical-case-series
#5
Rui Feng, Eric K Oermann, Raj Shrivastava, Ariel Gold, Brian T Collins, Douglas Kondziolka, Sean P Collins
BACKGROUND: Melanoma has high propensity to metastasize to the brain. With recent gains in improving patient survival, stereotactic radiosurgery may offer an effective and less neurotoxic alternative to whole brain radiation. In the study, we report on the safety and efficacy of stereotactic radiosurgery (SRS) in treating melanoma brain metastases in 87 patients. METHODS: This retrospective, multicenter study examined 87 patients with 309 metastases underwent single-dose or multifractionated SRS for treatment of intracranial metastases from malignant melanoma...
January 13, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28093344/unusual-intracerebral-presentation-of-a-myxoid-neurofibroma-a-case-report
#6
Marcos Devanir Silva da Costa, Karina Hoshino, João Norberto Stavale, Oreste Paulo Lanzoni, Sergio Cavalheiro, Manoel Antonio Paiva Neto
BACKGROUND: Neurofibromas are benign nerve sheath tumors that usually affect peripheral nerves and are related to Neurofibromatosis type 1; however, they have not been described as a cause of intraparenchymal brain tumor. CASE DESCRIPTION: We report a case of intracranial myxoid neurofibroma in a 19-year-old female patient manifested as an intense and progressive cephalea, followed by nausea, vomiting, and photo- and phonophobia. Computerized tomography and magnetic resonance imaging showed an extent expansive left frontoparietal parafalcine/parasagittal tumor...
January 13, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28093343/moyamoya-and-inflammation
#7
Juan C Mejia-Munne, Jason A Ellis, Neil A Feldstein, Philip M Meyers, Edward S Connolly
BACKGROUND: Over fifty years have elapsed since Moyamoya was initially described; however, the disease etiology remains unknown. Although certain genetic loci and immunological characteristics are associated with Moyamoya, this does not fully explain its pathophysiology. An association with inflammatory disease has been postulated but not rigorously explored. We sought to examine the epidemiological association of Moyamoya and inflammatory diseases by analyzing data from a large administrative database...
January 13, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28093342/march-2017-eic-letter
#8
EDITORIAL
Ed Benzel
No abstract text is available yet for this article.
January 13, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28093341/physicians-poverty-and-profits-can-robin-hood-finance-healthcare-in-developing-countries
#9
Russell J Andrews, Tariq M Khan, Nigel Crisp
No abstract text is available yet for this article.
January 13, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28089809/sensitivity-and-specificity-of-intraoperative-neuromonitoring-for-identifying-safety-and-duration-of-temporary-aneurysm-clipping-based-on-vascular-territory-a-multimodal-strategy
#10
Brittany Staarmann, Kelly O'Neal, Mark Magner, Mario Zuccarello
BACKGROUND: Patients who undergo clipping of cerebral aneurysms face inherent risk for new postoperative neurological deficits. Intraoperative neuromonitoring (IONM) is used often for early detection of ischemic changes, while still potentially reversible. However, the value, safety, and efficacy of temporary clipping and multimodal intraoperative neuromonitoring (IONM) to minimize risks are debated. Our retrospective series examined the sensitivity and specificity of IONM using transcranial motor evoked potentials (MEPs) and somatosensory evoked potentials (SSEPs), and quantified the safety of temporary clipping by duration and vascular territory...
January 12, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28089808/stress-induced-hyperglycemia-after-spontaneous-subarachnoid-hemorrhage-and-its-role-in-predicting-cerebrospinal-fluid-diversion
#11
Bappaditya Ray, Ayumi Ludwig, Lori K Yearout, David M Thompson, Bradley N Bohnstedt
BACKGROUND: Stress induced hyperglycemia (SIH) after acute cerebrovascular disease is common and is associated with adverse clinical outcomes. Incidence of SIH after spontaneous subarachnoid hemorrhage (SAH) and its role in shunt placement has not been systematically investigated. Present study is designed to investigate the incidence of SIH after spontaneous SAH and its determinants. Role of SIH and premorbid hyperglycemia (using glycated hemoglobin, HbA1c) in predicting external ventricular drainage (EVD) and ventriculoperitoneal shunt (VPS) placement is also investigated...
January 12, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28089807/ultrasonography-detects-ulnar-nerve-dislocation-despite-normal-electrophysiology-and-magnetic-resonance-imaging
#12
Jared M Pisapia, Zarina S Ali, Eric D Hudgins, Viviane Khoury, Gregory G Heuer, Eric L Zager
BACKGROUND: Dislocation of the ulnar nerve (UN) occurs in a subset of patients with ulnar neuropathy. Electrodiagnostic and magnetic resonance imaging (MRI) studies are performed to support the clinical diagnosis. We report the case of a patient with ulnar neuropathy with normal electrodiagnostic and MRI studies but with ultrasound (US) showing UN dislocation, which prompted successful treatment by UN submuscular transposition. CASE DESCRIPTION: A healthy 15 year-old female softball player presented with right medial elbow pain and paresthesias of the fourth and fifth digits...
January 12, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28089806/analysis-of-radiation-doses-and-dose-reduction-strategies-during-cerebral-digital-subtraction-angiography
#13
Ho Jun Yi, Jae Hoon Sung, Dong Hoon Lee, Sang Wook Kim, Sang Won Lee
OBJECTIVE: Adverse effects of increased use of cerebral digital subtraction angiography (DSA) include radiation-induced skin reactions and increased risk of malignancy. This study aimed to identify a method for reducing radiation exposure during routine cerebral DSA. METHODS: A retrospective review of 138 consecutive adult patients who underwent DSA with a biplane angiography system (Artis Zee, Siemens, Germany) from September 2015 to February 2016 was performed...
January 12, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28089805/surgical-outcomes-of-endoscopic-endonasal-skull-base-surgery-of-craniopharyngiomas-evaluated-according-to-the-degree-of-hypothalamic-extension
#14
Shigetoshi Yano, Takuichiro Hide, Naoki Shinojima
OBJECTIVE: Sparing the hypothalamus following craniopharyngiomas treatment is a prerequisite to ensure a good quality of life. In this study, the functional prognosis of craniopharyngioma following Endoscopic endonasal skull base surgery (EES) was examined in function of the degree of hypothalamic extension. MATERIALS AND METHODS: Twenty cases of craniopharyngioma treated by EES were categorized according to Puget's classification using preoperative and postoperative MRI...
January 12, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28089804/multicentric-spinal-cord-glioblastoma
#15
Eibar Ernesto Cabrera-Aldana, Rafael De la Garza Ramos, Raúl Pichardo-Bahena
No abstract text is available yet for this article.
January 12, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28087435/postmyelotomy-closure-of-spinal-cord-zip-lock-technique-an-initial-experience
#16
Daljit Singh, Shaam Bodeliwala, Hukum Singh, Anita Jagetia, Amit Mittal
Proper closure of the pia matter is necessary to restore the normal anatomy and prevent postoperative painful dysesthesia after excision of intramedullary spinal cord tumor. Two methods of closure of the pia have been described: welding technique and conventional suturing. Here, we report our initial experience with a new "pial press" or "zip-lock" technique for pial closure where pial layers are simply held together and plunged into each other with small micro tooth forceps. Advantages of the technique over other techniques are its less chances of suture related complications or trauma to the posterior column and simplicity of the technique...
January 10, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28087434/bone-grafting-of-atlantoaxial-joints-and-occipitocervical-or-atlantoaxial-fusion-for-the-reduction-and-fixation-of-basilar-invagination-with-atlantoaxial-dislocation-by-a-posterior-approach-a-preliminary-study
#17
Xin He, Yibin Meng, Jianan Zhang, Yunfei Hang, Junsong Yang, Qining Wu, Dingjun Hao
No abstract text is available yet for this article.
January 10, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28087433/exploration-of-the-most-effective-dural-incision-design-in-a-decompressive-craniectomy
#18
Mutsumi Nagai, Mami Ishikawa
OBJECTIVE: During a decompressive craniectomy performed for a severe cerebral infarction, sufficient coverage of the underlying bulging brain by converting the flat dura mater to a more dome-like shape is essential. In this procedure, suturing to patch dural substitutes on the dural rifts occupies most of the operative time and is cumbersome. We present a new dural incision design that provides an appropriate volume of subdural space with minimal incisions. METHODS: The ideal incision design was geometrically analyzed and verified by simulations using a physics engine...
January 10, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28087432/stenting-after-coiling-using-a-single-microcatheter-for-treatment-of-ruptured-intracranial-fusiform-aneurysms-with-parent-arteries-less-than-1-5-mm-in-diameter
#19
Jian Liu, Yisen Zhang, Yang Wang, Shiqing Mu, Xinjian Yang
BACKGROUND: Ruptured intracranial fusiform aneurysms involving small-diameter parent arteries are difficult to treat. Parent artery occlusion is a relatively simple and reliable treatment. However, occasionally, the parent arteries have to be retained. The arrival of the low-profile stent (LVIS(TM) Jr.) has made reconstructive endovascular treatment for fusiform aneurysms involving small-diameter parent arteries possible. CASE DESCRIPTION: This report describes an innovative method for stent-assisted coiling (stenting after coiling technique using only one microcatheter), and describes our initial experience and feasibility of this technique...
January 10, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28087431/characteristics-of-moderate-and-severe-traumatic-brain-injury-of-motorcycle-crashes-in-bandung-indonesia
#20
Ahmad Faried, Abdulgafoor M Bachani, Andi N Sendjaja, Yuen W Hung, Muhammad Z Arifin
No abstract text is available yet for this article.
January 10, 2017: World Neurosurgery
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