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World Neurosurgery

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https://www.readbyqxmd.com/read/28427987/trajectory-planning-and-guided-punctures-with-isocentric-navigation-in-posterolateral-endoscopic-lumbar-discectomy-technical-note
#1
Guoxin Fan, Chuanfeng Wang, Xin Gu, Hailong Zhang, Shisheng He
BACKGROUND: Posterolateral endoscopic trasforaminal discectomy (PELD) requires an ideal percutaneous puncture to place the working channel for endoscopic discectomy. The conventional blinded punctures relies on the surgeons' experience and repeated fluoroscopy, which may increase radiation exposure. The study aimed to introduce isocentric navigation to plan trajectory and guide punctures in PELD. METHODS: Technical note and clinical outcomes of patients undergoing PELD with isocentric navigation were recorded in this report...
April 17, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28427986/prognostic-implications-of-extent-of-resection-in-glioblastoma-analysis-from-a-large-database
#2
Daniel M Trifiletti, Clayton Alonso, Surbhi Grover, Camilo E Fadul, Jason P Sheehan, Timothy N Showalter
OBJECTIVE: To analyze the predictors for and clinical impact of gross total resection (GTR) in patients with glioblastoma (GBM). METHODS AND MATERIALS: The National Cancer Database was queried for patients with GBM diagnosed from 2004-2013 with known survival and extent of resection. Patients were grouped based on extent of resection into biopsy alone, subtotal resection (STR), and GTR. Univariable and multivariable (MVA) analyses were performed to investigate factors associated with the likelihood of GTR and overall survival (OS) following diagnosis...
April 17, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28427985/ureter-injury-as-a-complication-of-oblique-lumbar-interbody-fusion-a-case-report
#3
Hyeong-Jin Lee, Jin-Sung Kim, Kyeong-Sik Ryu, Choon Keun Park
BACKGROUND: Oblique lumbar interbody fusion is a commonly used surgical method of achieving lumbar interbody fusion. There have been some reports about complications of oblique lumbar interbody fusion at the L2-3 level. But to our knowledge, there have been no reports about ureter injury during oblique lumbar interbody fusion. We report a case of ureter injury during oblique lumbar interbody fusion to share our experience. CASE DESCRIPTION: A 78-year-old male patient presented with a history of lower back pain and neurogenic intermittent claudication...
April 17, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28427984/effect-of-baseline-characteristics-on-the-outcome-of-stent-retriever-based-thrombectomy-in-acute-basilar-artery-occlusions-a-single-center-experience-and-pooled-data-analysis
#4
Wan-Ling Wen, Zi-Fu Li, Yong-Wei Zhang, Peng-Fei Yang, Keith Simfukwe, Yi-Bin Fang, Tian-Yi Zhang, Ben-Qiang Deng, Bo Hong, Jian-Min Liu, Qing-Hai Huang
OBJECTIVES: -To explore the association of baseline characteristics and the outcome of acute basilar artery occlusion (BAO) patients following stent retriever based thrombectomy (SRT). METHODS: -Clinical and imaging information of consecutive SRT treated BAO patients from a comprehensive stroke center and up-to-date literatures were reviewed respectively. The impact of baseline variables towards favorable outcome was evaluated using subgroup analysis and odds ratio extracted from published data resource together with single center records using pooled analysis...
April 17, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28427983/effect-of-headache-on-the-pathological-findings-of-unruptured-cerebral-saccular-aneurysms
#5
Masaaki Hokari, Naoki Nakayama, Yusuke Shimoda, Kiyohiro Houkin
BACKGROUND: Some patients with aneurysm exhibit warning headaches without minor bleeding, and this could be caused by stretching of the aneurysm wall. Recently, our pathological study observed subintimal fibrin deposition in a majority of the ruptured aneurysms. However, these findings were also observed in some unruptured aneurysms. In this report, two unruptured aneurysms exhibited subintimal fibrin, and interestingly, one of the patients experienced severe headache within 1 month before neuroimaging...
April 17, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28427982/preoperative-evaluation-of-sellar-and-parasellar-macro-lesions-by-fluorine-18-fluorodeoxyglucose-positron-emission-tomography
#6
Masahiko Tosaka, Tetsuya Higuchi, Keishi Horiguchi, Tadashi Osawa, Yukiko Arisaka, Haruyasu Fujita, Yoshito Tsushima, Yuhei Yoshimoto
OBJECTIVE: Various pathologies can occur in the sellar and suprasellar regions. The potential of fluorine-18 fluorodeoxyglucose (FDG) positron emission tomography (PET) for the preoperative evaluation of sellar and parasellar lesions was investigated. METHODS: A total of 49 patients aged 8 to 82 years with sellar and parasellar macroscopic lesions (≥10 mm) underwent FDG PET. Twenty-two patients had pituitary adenomas, including 14 non-functioning and 8 growth hormone (GH)-secreting adenomas...
April 17, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28427981/ultrastructure-of-pericystic-or-intracystic-blood-vessels-in-epidermoid-cysts-a-transmission-electron-microscopy-study-laboratory-investigation
#7
Xiao-Hui Ren, Jun Ma, Chun Zeng, Yi-Lin Sun, Song Lin
OBJECTIVES: Recently, we reported the tendency towards the spontaneous hemorrhage in both pre- and post-operative periods of patients with intracranial epidermoid cyst (EC). According to our experience this tendency of spontaneous hemorrhage was partly due to the pathologic blood vessels adjacent to the EC. This article was designed to testify this hypothesis. MATERIALS & METHODS: 23 removable pericystic or intracystic blood vessels from 17 EC patients were collected during surgery, and then were examined by transmission electron microscope...
April 17, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28427980/comparative-study-between-cobalt-chrome-and-titanium-alloy-rods-for-multi-level-spinal-fusion-proximal-junctional-kyphosis-more-frequently-occurred-in-patients-having-cobalt-chrome-rods
#8
Sanghyun Han, Seung-Jae Hyun, Ki-Jeong Kim, Tae-Ahn Jahng, Hyun-Jib Kim
BACKGROUND: The use of titanium alloy (Ti) rods is frequently associated with rod fracture following spinal fixation. To address this issue, cobalt chrome (CoCr) rods-which are advantageous due to their greater strength and resistance to fatigue relative to Ti rods-have been introduced. The purpose of the present study was to compare radiographic outcomes following the use of Ti versus CoCr rods in a matched cohort of patients undergoing posterior spinal fusion for treatment of spinal instability...
April 17, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28427979/a-new-type-of-spinal-epidural-arteriovenous-fistulas-causes-spinal-epidural-hemorrhage-an-analysis-of-five-cases-and-natural-history-consideration
#9
Jia-Xing Yu, Tao Hong, Yong-Jie Ma, Feng Ling, Hong-Qi Zhang
BACKGROUND: Spinal epidural arteriovenous fistulas (SEDAVFs) are peculiar and poorly understood lesions with a poorly understood natural history. They are usually subclassified into two types according to their drainage components. This study aimed to describe a new type of SEDAVFs that is featured with a unique drainage pattern and present our natural history hypothesis of SEDAVFs. METHODS: Five SEDAVF cases of the new type were retrospectively reviewed from a high case-volume spinal vascular malformation database...
April 17, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28427978/prevalence-of-ponticulus-posticus-on-lateral-cephalometric-radiographs-its-association-with-cervicogenic-headache-and-a-review-of-literature
#10
Shahnaz S Tambawala, Freny R Karjodkar, Kaustubh Sansare, Digvijay Motghare, Isha Mishra, Shuddhodhan Gaikwad, Amaresh Chandra Dora
OBJECTIVES: The aim of this study was to calculate the prevalence of ponticulus posticus: a small bony bridge on the dorsal aspect of the Atlas on lateral digital cephalometric radiographs and classify it into a complete ring or an incomplete ring. The study also investigated its association with the presence or absence of cervicogenic headache in the examined population if any and presents a literature review on Ponticulus posticus. METHODS: The presence and types of ponticuli posticus were investigated on 500 digital lateral cephalograms and the same patients were questioned for a history of cervicogenic headache...
April 17, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28427977/decompressive-craniectomy-in-spontaneous-intracerebral-hemorrhage-a-case-control-study
#11
Yu Tung Lo, Angela An Qi See, Nicolas Kon Kam King
BACKGROUND: Decompressive craniectomy is performed to relieve intracranial pressure as an emergency procedure. There is no large study to systematically evaluate the benefit of decompressive craniectomy versus best medical therapy. This study evaluates the survival and long-term functional outcomes of decompressive craniectomy for spontaneous intracranial hemorrhage. METHODS: A total of 54 eligible patients with spontaneous supratentorial hemorrhage (median age 55, IQR 47-64) who underwent decompressive craniectomy were retrospectively matched to 72 patients managed with best medical treatment (median age 58, IQR 32-74)...
April 17, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28427976/posterior-multilevel-instrumentation-of-the-lower-cervical-spine-is-bridging-the-cervico-thoracic-junction-necessary
#12
Georg Osterhoff, Yu-Mi Ryang, Judith von Oelhafen, Bernhard Meyer, Florian Ringel
No abstract text is available yet for this article.
April 17, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28427975/surgical-management-of-vertex-epidural-hematoma-technical-case-report-and-literature-review
#13
David T Fernandes-Cabral, Ali Kooshkabadi, Sandip S Panesar, Emrah Celtikci, Hamid Borghei-Razavi, Pinar Celtikci, Juan C Fernandez-Miranda
BACKGROUND: Vertex epidural hematoma (VEH) is an uncommon presentation of extra-axial hematomas. It can represent a surgical dilemma regarding when and how to operate, particularly considering the potential implication of the superior sagittal sinus (SSS). OBJECTIVE: Here, we illustrate the surgical technique for VEH as well as review of the existing literature. METHODS: A 60-year-old male sustained a ground level fall resulting in complete diastasis of the sagittal suture with underlying large VEH causing significant mass effect on the SSS and bi-hemispheric convexities...
April 17, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28427974/factors-predicting-spontaneous-thrombosis-of-aggressive-cranial-dural-arteriovenous-fistulas
#14
Santhosh Kumar Kannath, Jayadevan Enakshy Rajan, Amirtendu Mukherjee, Sankara Sarma P
BACKGROUND: Dural arteriovenous fistula (DAVF) with cortical venous drainage (CVD) are known to be aggressive in clinical course and are usually managed promptly. Spontaneous resolution of DAVF is a rare phenomenon and usually occurs in benign type of fistulas. Spontaneous thrombosis of aggressive DAVF is an extremely rare occurrence. The present study aims to identify the incidence and factors determining spontaneous resolution of aggressive DAVF. METHODS: All the patients presenting to our institution with suspected DAVF during the study period (July 2013 - December 2015) were prospectively enrolled into a database...
April 17, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28427973/ultra-high-field-template-assisted-target-selection-for-deep-brain-stimulation-surgery-technical-note
#15
Jonathan C Lau, Keith W MacDougall, Miguel Arango, Terry M Peters, Andrew G Parrent, Ali R Khan
No abstract text is available yet for this article.
April 17, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28427972/endovascular-treatment-of-complex-distal-posterior-cerebral-artery-aneurysms-with-the-pipeline-embolization-device
#16
Paul Mazaris, Tapan Mehta, Mohammed Hussain, Violiza Inoa, Justin Singer, Gary Spiegel, Inam Kureshi, Martin Ollenschleger
INTRODUCTION: The purpose of our study is to assess the safety and efficacy of the Pipeline Embolization Device (PED) for endovascular treatment of complex, distal posterior cerebral artery (PCA) aneurysms. METHODS: We conducted a retrospective review of patients who underwent endovascular treatment of complex PCA aneurysms with PED from November 2012 to December 2015. A total of 4 patients were identified and treated. 12 month angiographic and clinical follow-up was available for all patients...
April 17, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28427971/extent-of-resection-in-glioma-a-review-of-the-cutting-edge
#17
REVIEW
Randy S D'Amico, Zachary K Englander, Peter Canoll, Jeffrey N Bruce
Modern glioma surgery has evolved from the principle belief that safe, maximal tumor resection improves symptom management, quality of life, progression-free survival (PFS), and overall survival (OS) in both low- and high-grade glioma (LGG and HGG, respectively). However, in the absence of level I data, the overwhelming support for this idea is derived largely from retrospective series. As a result, the influence of increasing extent of resection (EOR) and reducing tumor burden on the efficacy of postoperative chemotherapy and radiotherapy, and ultimately survival, remains inadequately defined...
April 17, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28427970/structured-evaluation-of-glioma-patients-by-an-occupational-therapist-is-our-clinical-examination-enough
#18
Christian Franz Freyschlag, Johannes Kerschbaumer, Daniel Pinggera, Gabriele Bacher, Claudius Thomé
BACKGROUND: Preservation of neurological function is mandatory when offering a surgical intervention to patients with low-grade gliomas (LGG), given that the goal of any treatment is the patient's return to their normal everyday life. OBJECTIVE: To determine whether a structured evaluation by an occupational therapist can reveal deficits that might be overseen in routine clinical examination of patients with a surgically treated LGG. METHODS: 20 patients with radiographically suspected LGG have been examined in a standardized fashion at three stages: pre-, postoperatively and three months thereafter...
April 17, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28419881/the-effects-of-clinical-factors-and-retro-odontoid-soft-tissue-thickness-on-atlantoaxial-instability-in-patients-with-rheumatoid-arthritis
#19
Je Il Ryu, Myung Hoon Han, Jin Hwan Cheong, Jae Min Kim, Choong Hyun Kim, Hyoung Joon Chun, Koang Hum Bak
No abstract text is available yet for this article.
April 15, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28419880/trepanation-practices-in-asclepieia-systematizing-a-neurosurgerical-innovation
#20
REVIEW
Gregory Tsoucalas, Antonis A Kousoulis, Theodoros Mariolis-Sapsakos, Markos Sgantzos
As ancient Greeks started looking for deities that could fulfil the pragmatic needs of common people, local heroes started being mythologized and worshipped through cults. The most widespread such example was Asclepius, possibly a skilled war surgeon who followed military expeditions to Colchis and Troy. He was worshipped at religious temples called Asclepieia where certain specific medical and surgical techniques were followed. The most advanced must have been skull trepanation, most likely done as an acute operation to release intracranial pressure...
April 15, 2017: World Neurosurgery
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