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Journal of Neurological Surgery. Part A, Central European Neurosurgery

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https://www.readbyqxmd.com/read/30011420/transfacet-screw-fixation-for-the-treatment-of-lumbar-spinal-stenosis-with-mild-instability-a-preliminary-study
#1
Sokol Trungu, Andrea Pietrantonio, Stefano Forcato, Maria Pia Tropeano, Luca De Martino, Antonino Raco
BACKGROUND:  Lumbar spinal stenosis (LSS) and low-grade degenerative spondylolisthesis are frequently associated with facet joint degeneration, considered the main cause of low back pain. Surgery is the treatment of choice in patients affected by LSS unresponsive to conservative treatment. The aim of this study was to evaluate the clinical and radiologic outcome of patients treated with posterior decompression and transfacet fixation for single-level LSS and facet joint degeneration...
July 16, 2018: Journal of Neurological Surgery. Part A, Central European Neurosurgery
https://www.readbyqxmd.com/read/30011419/change-of-ascending-reticular-activating-system-following-shunt-operation-for-hydrocephalus-in-a-subarachnoid-hemorrhage-patient
#2
SungHo Jang, HanDo Lee
OBJECTIVE:  To demonstrate the change of the ascending reticular activating system (ARAS) concurrent with the recovery of impaired consciousness following a shunt operation in a stroke patient. METHODS:  A 65-year-old female patient underwent coiling of a ruptured right posterior communicating artery and, subsequently, underwent right external ventricular drain (EVD) placement, left EVD placement, and lumbar drain placement for management of intraventricular hemorrhage...
July 16, 2018: Journal of Neurological Surgery. Part A, Central European Neurosurgery
https://www.readbyqxmd.com/read/29980157/calvian-endo-pen-new-coagulation-forceps-for-endoscopic-endonasal-transsphenoidal-surgery
#3
Rüdiger Gerlach, Steffen Rosahl, Geralf Kellner
OBJECTIVE:  Over the past few years bipolar electrocoagulation techniques in neurosurgery have been continually improving. However, limited access during endoscopic endonasal transsphenoidal surgery (EETS) for central skull base pathologies and the requirement of very precise coagulation in that dedicated anatomical area requires further refinement of bipolar coagulation instruments. We describe our experience (effectiveness of coagulation, intraoperative handling, and the use as a dissecting tool) with a new type of coagulation forceps, the Calvian endo-pen (Sutter Medizintechnik, Freiburg, Germany) during EETS...
July 6, 2018: Journal of Neurological Surgery. Part A, Central European Neurosurgery
https://www.readbyqxmd.com/read/29972859/reintroduction-of-the-rat-for-experimental-subarachnoid-hemorrhage-with-accelerated-clot-formation-a-low-mortality-model-with-persistent-clots-as-a-precondition-for-studies-in-vasospasm
#4
Angelika Ehlert, Ulrich Budde, Ralf Middendorff, Gerd Manthei, Andre Kemmling, Bastian Tiemann
BACKGROUND:  Cerebral vasospasm as a delayed, possibly treatable sequel of subarachnoid hemorrhage (SAH) is a focus of experimental animal research. For this purpose, the rat is not a good model because of the difficulty creating a stable subarachnoid clot that persists > 1 to 2 days and could induce vasospasm. Only in rat models with a high mortality of ∼ 50% or more can SAH and its effects be investigated. Therefore, other animals than rodents are used for investigating the delayed effects of SAH...
July 4, 2018: Journal of Neurological Surgery. Part A, Central European Neurosurgery
https://www.readbyqxmd.com/read/29972858/atlantoaxial-instability-in-patients-older-than-70-years-what-is-the-outcome-when-further-conservative-treatment-is-not-an-option
#5
Christoph Scholz, Jan-Helge Klingler, Christian Scheiwe, Yashar Naseri, Waseem Masalha, UIrich Hubbe
OBJECTIVE:  We report on our experiences of navigated posterior C1-C2 spondylodesis in the elderly (≥ 70 years of age). PATIENTS:  This retrospective cohort study evaluated all patients ≥ 70 years of age treated with navigated posterior spondylodesis C1-C2 (at the most to C3) from 2008 to 2015 with a minimum follow-up of 1 year. Minor and major complications within 30 days after surgery, patient outcome, and the rate of solid fusion in computed tomography were recorded...
July 4, 2018: Journal of Neurological Surgery. Part A, Central European Neurosurgery
https://www.readbyqxmd.com/read/29972857/hemifacial-trigeminal-pain-referred-from-occipital-neuralgia-due-to-compression-of-the-greater-occipital-nerve-by-the-occipital-artery
#6
Hak-Cheol Ko, Jin-Gyu Choi, Byung-Chul Son
Although pathologic vascular contact between the occipital artery and the greater occipital nerve (GON) at the crossing point in the nuchal subcutaneous layer can cause occipital neuralgia, referred hemifacial trigeminal pain from chronic occipital neuralgia owing to this cause is extremely rare.A 61-year-old female patient with left-sided occipital neuralgia for 4 years presented with a new onset of left-sided hemifacial pain. Decompression of the left GON from pathologic contacts with the occipital artery resulted in immediate relief for hemifacial pain and chronic occipital neuralgia...
July 4, 2018: Journal of Neurological Surgery. Part A, Central European Neurosurgery
https://www.readbyqxmd.com/read/29972856/immunohistochemical-analysis-of-cerebral-intraparenchymal-choroid-plexus-tumor-case-report
#7
Masahito Katoh, Yutaka Sawamura, Shinya Tanaka, Takamitsu Fujimaki, Shigehisa Hirose, Toshimitsu Aida
BACKGROUND:  It is very rare for a choroid plexus tumor to occur intraparenchymally in the absence of a relation to the choroid plexus. CLINICAL PRESENTATION:  A case of cerebral intraparenchymal choroid plexus tumor in a 30-year-old woman presenting with left hemiparesis is described. Brain magnetic resonance imaging depicted a large cystic mass in the right frontal lobe. Tumor resection was performed by right frontal craniotomy. No connection with the choroid plexus was observed during the operation...
July 4, 2018: Journal of Neurological Surgery. Part A, Central European Neurosurgery
https://www.readbyqxmd.com/read/29972855/metastasis-from-intracranial-mesenchymal-chondrosarcoma-report-of-a-rare-case
#8
Gautam Dutta, Daljit Singh, Ravindra Kumar Saran, Hukum Singh, Arvind Kumar Srivastava, Anita Jagetia
Chondrosarcoma is a rare malignant tumor originating from cartilaginous tissue with a tendency to localize in the epiphysis of long and pelvic bones. Only 7% of all chondrosarcomas originate in the craniocervical region. Metastasis from intracranial chondrosarcoma is extremely rare with only two previously reported cases. We report on a young patient with intracranial chondrosarcoma who presented with extracranial metastasis 2 years after surgical excision of the primary lesion. Gross total excision combined with radiotherapy so far has led to a favorable outcome...
July 4, 2018: Journal of Neurological Surgery. Part A, Central European Neurosurgery
https://www.readbyqxmd.com/read/29966140/vertebral-arteriovenous-fistula-a-rare-complication-following-transpedicular-occipitocervical-fixation-in-a-patient-with-atlantoaxial-dislocation
#9
Rongjun Qian, Zhixiao Li, Ming Li
Vertebral arteriovenous fistula (AVF), a complication of a vertebral artery injury (VAI), is a rare but serious complication of upper cervical spine fixation surgery. We report a case of a 59-year-old female patient who had a vertebral AVF following transpedicular occipitocervical fixation surgery. Endovascular embolization of the AVF was successfully performed using ethylene vinyl alcohol. From this case we learned that preoperative evaluation of the course of the vertebral artery is necessary, and vertebral artery embolism is an effective and safe method to treat vertebral AVF after proof of a patent second vertebral artery...
July 2, 2018: Journal of Neurological Surgery. Part A, Central European Neurosurgery
https://www.readbyqxmd.com/read/29959764/prospective-series-of-nine-long-noncoding-rnas-associated-with-survival-of-patients-with-glioblastoma
#10
Bingxi Lei, Lei Yu, Thapa Ashish Jung, Yuefei Deng, Wei Xiang, Yawei Liu, Songtao Qi
OBJECTIVE:  To analyze the long noncoding RNA (lncRNA) expression profile of glioblastoma multiforme (GBM) and identify prognosis-related lncRNAs, as well as their related protein-coding genes and functions. METHOD:  The lncRNA expression profiles were obtained by microarray in six samples each of GBM and normal brain tissue. The lncRNAs expressed were significantly different between the two groups and used to detect their associations with patient survival time by downloading the related data from The Cancer Genome Atlas (TCGA)...
June 29, 2018: Journal of Neurological Surgery. Part A, Central European Neurosurgery
https://www.readbyqxmd.com/read/29906812/congenital-arteriovenous-malformation-of-the-scalp-involving-the-orbit
#11
Alberto Feletti, Stavros Dimitriadis, Stefano Vallone, Giacomo Pavesi
BACKGROUND:  Arteriovenous malformations (AVMs) of the scalp are rare and infrequently encountered by the neurosurgeon. CASE DESCRIPTION:  We report a unique case of a 42-year-old patient who presented with a progressive worsening of visual acuity in the right eye (lower quadrantanopia) and palpebral ptosis. Physical examination revealed a right exophthalmos and a right frontoparietal scalp soft swelling when the patient was in the supine position. Neurologic work-up showed a scalp AVM extending into the orbit and connected to an intraorbital cavernous angioma...
June 15, 2018: Journal of Neurological Surgery. Part A, Central European Neurosurgery
https://www.readbyqxmd.com/read/29902828/optimal-parameters-for-intervertebral-disk-resection-using-aqua-plasma-beams
#12
Sung-Young Yoon, Gon-Ho Kim, Yushin Kim, Nack Hwan Kim, Sangheon Lee, Christina Kawai, Youngki Hong
OBJECTIVE:  A minimally invasive procedure for intervertebral disk resection using plasma beams has been developed. Conventional parameters for the plasma procedure such as voltage and tip speed mainly rely on the surgeon's personal experience, without adequate evidence from experiments. Our objective was to determine the optimal parameters for plasma disk resection. METHODS:  Rate of ablation was measured at different procedural tip speeds and voltages using porcine nucleus pulposi...
June 14, 2018: Journal of Neurological Surgery. Part A, Central European Neurosurgery
https://www.readbyqxmd.com/read/29902827/percutaneous-pedicle-lengthening-osteotomy-in-minimal-invasive-spinal-surgery-to-treat-degenerative-lumbar-spinal-stenosis-a-single-center-preliminary-experience
#13
Rosario Maugeri, Luigi Basile, Carlo Gulì, Aurelia Banco, Giovanna Giordano, Antonella Giugno, Francesca Graziano, Roberto Giuseppe Giammalva, Domenico Gerardo Iacopino
BACKGROUND:  Lumbar spinal stenosis (LSS) is a narrowing of the spinal canal due to spinal degeneration, and its main clinical symptom is neurogenic claudication. Surgical treatment is pursued for patients who do not improve with conservative care. Patients with symptomatic LSS who also have significant medical comorbidities, although clearly in need of intervention, are unattractive candidates for traditional open lumbar decompressive procedures. Thus it is important to explore minimally invasive surgical techniques to treat select patients with LSS...
June 14, 2018: Journal of Neurological Surgery. Part A, Central European Neurosurgery
https://www.readbyqxmd.com/read/29902826/anterior-cervical-fusion-with-stand-alone-trabecular-metal-cages-to-treat-cervical-myelopathy-caused-by-degenerative-disk-disease-observations-in-88-cases-with-minimum-12-month-follow-up
#14
Luciano Mastronardi, Raffaelino Roperto, Guglielmo Cacciotti, Francesco Calvosa
BACKGROUND:  Anterior cervical fusion (ACF) with autologous bone was reported > 50 years ago. The continuous development of materials with elastic properties close to that of the cortical bone improves induction of osteogenesis and simplifies the technique of interbody fusion. To determine the safety and efficiency of stand-alone trabecular metal (TM) (or porous tantalum) cages for ACF, we performed a retrospective analysis of 88 consecutive patients with one-level or two-level degenerative disk disease (DDD) causing cervical myelopathy treated by interbody fusion with stand-alone TM cages...
June 14, 2018: Journal of Neurological Surgery. Part A, Central European Neurosurgery
https://www.readbyqxmd.com/read/29902825/liquid-posterior-fossa-epidural-hematoma-in-pediatric-trauma-a-single-center-case-series
#15
Kun Han, Zhaojian Li, Hongwei Yin, Weicheng Yao, Xiaolei Lan, Yongli Bo
BACKGROUND:  Liquid posterior fossa epidural hematoma (LPFEH) following head trauma is uncommon, and very few such cases have been described in the literature. Eight patients with this entity and their treatments are presented here. METHODS:  We performed a single-institution retrospective analysis of all patients with diagnosed LPFEH over a 3-year period. Collected data included clinical history, laboratory results, treatment, and review of all imaging studies performed...
June 14, 2018: Journal of Neurological Surgery. Part A, Central European Neurosurgery
https://www.readbyqxmd.com/read/29902824/sporadic-schwannomatosis-a-systematic-review-following-the-2005-consensus-statement
#16
Gregoire Chick, Jan Victor, Thibault Poujade, Nadine Hollevoet
AIMS:  To identify the frequency of reports of sporadic schwannomatosis, the types of patients affected, and the nerves affected. PATIENTS AND METHODS:  We identified all case reports and case series that reported on patients with sporadic schwannomatosis according to established criteria. RESULTS:  The initial search yielded 1,597 studies, of which 15 were included. A total of 38 of 55 individuals met the inclusion criteria. The mean age of the patients was 48 years; 41% were male...
June 14, 2018: Journal of Neurological Surgery. Part A, Central European Neurosurgery
https://www.readbyqxmd.com/read/29902823/multiple-colloid-cysts-case-report-and-literature-review
#17
Ahmed R Rizk, Martin Bettag
BACKGROUND AND STUDY AIM:  Colloid cysts usually occur in the anterior third ventricle at the level of the foramina of Monro. Colloid cysts may extend from the third toward the lateral ventricle. We present a rare case of multiple intraventricular colloid cysts, two of which were in the third ventricle and one in the lateral ventricle. CLINICAL DESCRIPTION:  A 40-year-old female patient presented with three intraventricular cystic lesions: one cyst in the typical localization in the anterior rostral third ventricle, another cyst behind it in the same (third) ventricle, and a larger bulging cyst in the right lateral ventricle...
June 14, 2018: Journal of Neurological Surgery. Part A, Central European Neurosurgery
https://www.readbyqxmd.com/read/29890541/percutaneous-instrumentation-of-a-complex-lumbar-spine-fracture-with-bilateral-pedicle-dissociation-case-report-and-technical-note
#18
Evan Luther, Timur Urakov, Steven Vanni
BACKGROUND AND STUDY OBJECTIVE:  Complex traumatic lumbar spine fractures are difficult to manage and typically occur in younger patients. Surgical immobilization for unstable fractures is an accepted treatment but can lead to future adjacent-level disease. Furthermore, large variations in fracture morphology create significant difficulties when attempting fixation. Therefore, a surgical approach that considers both long-term outcomes and fracture type is of utmost importance. We present a novel technique for percutaneous fixation without interbody or posterolateral fusion in a young patient with bilateral pedicle dissociations and an acute-onset incomplete neurologic deficit...
June 11, 2018: Journal of Neurological Surgery. Part A, Central European Neurosurgery
https://www.readbyqxmd.com/read/29890540/rehabilitation-after-clipping-of-cerebral-aneurysms-without-acute-subarachnoid-hemorrhage-outcome-analysis-of-100-consecutive-cases
#19
Andreas Jödicke, Karsten Bauer, Andrea Hajdukova
BACKGROUND:  Discharge to rehabilitation is reported in large studies as one important outcome parameter based on hospital codes. Because neurologic outcome scores (e.g., the modified Rankin Scale [mRS]) are missing in International Classification of Diseases (ICD) databases, rehabilitation indirectly serves as a kind of surrogate parameter for overall outcome. Reported fractions of patients with rehabilitation, however, largely differ between studies and seem high for patients with aneurysm clipping...
June 11, 2018: Journal of Neurological Surgery. Part A, Central European Neurosurgery
https://www.readbyqxmd.com/read/29890539/hybrid-technique-for-cranial-defect-reconstruction-surgical-results-over-a-10-year-period-in-a-single-institution
#20
Pablo David Guerrero-Suarez, Paola Guerrero-López, Abarin Ortiz-Leon, Haydee Samantha Sosa-Castillo, Lenny Marlene Velazquez-Gonzalez, Jaime Jesus Martinez-Anda
Decompressive craniectomy is an urgent procedure that is increasingly used for treatment of intracranial hypertension. After recovery, reconstruction of the cranial defect is necessary. Cranioplasty is an elective procedure with a high potential for morbidity if care is not taken on different surgical factors such as the material used as the cranial flap. In Latin America, high costs in some materials used in cranioplasty make its use prohibitive for some patients and institutions, and looking for alternatives has become a priority in neurosurgical centers...
June 11, 2018: Journal of Neurological Surgery. Part A, Central European Neurosurgery
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