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Journal of Neurological Surgery. Part A, Central European Neurosurgery

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https://www.readbyqxmd.com/read/29758566/long-term-results-for-the-bacjac-interspinous-device-in-lumbar-spine-degenerative-disease
#1
Aldo Spallone, Luigi Lavorato, Daniele Belvisi
OBJECTIVE:  To evaluate the long-term results of using the BacJac interspinous device (Pioneer Surgical Technology Inc.) in a series of patients with degenerative lumbar spine disease. METHODS:  Forty-one patients undergoing lumbar surgery with implantation of a BacJac device from 2009 to 2012 were enrolled in the present study. Patients were evaluated using the Oswestry Disability Scale (ODI). RESULTS:  Although all patients showed a significant improvement of the ODI score immediately after surgery, only 41% of patients showed a satisfactory outcome...
May 14, 2018: Journal of Neurological Surgery. Part A, Central European Neurosurgery
https://www.readbyqxmd.com/read/29734460/diagnostic-accuracy-of-fluoroscopy-radiography-and-computed-tomography-in-detecting-cement-leakage-in-kyphoplasty
#2
Hans-Georg Palm, Hans-Joachim Riesner, Patricia Lang, Madlen Haentzsch, Benedikt Friemert, Carsten Hackenbroch
PURPOSE:  Cement leakage is a typical complication of kyphoplasty for vertebral fractures. It is unclear if cement application intraoperatively can be improved by using other techniques of visualization and which kind of postoperative imaging should be recommended to detect cement extravasation accurately. OBJECTIVE:  To compare the rates of cement leakage detected by intraoperative fluoroscopy, postoperative radiography, and postoperative computed tomography (CT) in a retrospective study...
May 7, 2018: Journal of Neurological Surgery. Part A, Central European Neurosurgery
https://www.readbyqxmd.com/read/29710368/optimized-screw-trajectory-for-lumbar-cortical-bone-trajectory-pedicle-screws-based-on-clinical-outcome-evidence-favoring-the-buttress-effect-theory
#3
Shunji Asamoto, Kota Kojima, Michael Winking, Andreas Jödicke, Masayuki Ishikawa, Shinichi Ishihara, Wolfgang Deinsberger, Jun Muto, Makoto Nishiyama
BACKGROUND:  Cortical bone trajectory (CBT) is a relatively new technique for pedicle screw insertion in the field of spine surgery. Previous studies have demonstrated the significantly better pullout and toggle characteristics the new method offers, and it appears to have certain advantages over the widely used traditional trajectory. The mechanism of the pullout and toggle characteristics still remains unknown. PURPOSE:  To report the medium- to long-term follow-up findings of patients who underwent posterior lumbar interbody fusion or posterior lumbar fusion (PLIF/PLF) at our institution and to discuss the ideal screw trajectory when using this technique...
April 30, 2018: Journal of Neurological Surgery. Part A, Central European Neurosurgery
https://www.readbyqxmd.com/read/29710367/spontaneous-intraventricular-hemorrhage-caused-by-sphenoid-meningioma
#4
Cherkaoui Mandour, Jawad Laaguili, Miloudi Gazzaz, Brahim El Mostarchid
INTRODUCTION:  Benign sphenoid meningioma presenting with an acute intraventricular hemorrhage is extremely uncommon. CASE REPORT:  We report a case of a 61-year-old man who was admitted after sudden onset of a severe headache. Brain computed tomography revealed a sphenoid meningioma with acute intraventricular hemorrhage. DISCUSSION:  Intraventricular hemorrhage caused by Meningiomas is infrequent. Several hypotheses have been proposed to explain the cause of hemorrhage...
April 30, 2018: Journal of Neurological Surgery. Part A, Central European Neurosurgery
https://www.readbyqxmd.com/read/29684925/minimally-invasive-resection-of-deep-seated-high-grade-gliomas-using-tubular-retractors-and-exoscopic-visualization
#5
Rajiv Iyer, Kaisorn L Chaichana
BACKGROUND AND STUDY AIMS/OBJECTIVE:  Deep-seated high-grade gliomas (HGGs) represent a unique surgical challenge because they reside deep to critical cortical and subcortical structures and infiltrate functional areas of the brain. Therefore, accessing and resecting these tumors can often be challenging and associated with significant morbidity. We describe the use of minimally invasive approaches to access deep-seated HGGs to achieve extensive resections while minimizing surgical morbidity...
April 23, 2018: Journal of Neurological Surgery. Part A, Central European Neurosurgery
https://www.readbyqxmd.com/read/29684924/fixation-strength-of-pedicle-and-cortical-lumbar-vertebral-screws-after-laminectomy-a-cadaver-study
#6
Dai-Soon Kwak, Jae-Hyuk Shin, Ho-Jung Cho, Ho Guen Chang, Moon Soo Park, In-Sung Kim
BACKGROUND AND STUDY AIM:  Cortical screws were proposed as an alternative to the traditional pedicle screws. Diverse experimental results support the biomechanical superiority of cortical screws compared to pedicle screws. Laminectomy is often part of multilevel lumbar surgeries. Laminectomy might weaken the medial bony edge at the entry of the divergently oriented screw and, thereby, the screw purchase. This study investigated the biomechanical strength of lumbar cortical screw after laminectomy...
April 23, 2018: Journal of Neurological Surgery. Part A, Central European Neurosurgery
https://www.readbyqxmd.com/read/29684923/percutaneous-endoscopic-interlaminar-unilateral-ventral-dural-approach-for-symptomatic-bilateral-l5-s1-herniated-nucleus-pulposus-technical-note
#7
Sung Ho Choi, Nitin Maruti Adsul, Hyeun Sung Kim, Ki Joon Kim, Jeong Hoon Kim, Sung Kyun Chung, Jeong Hoon Choi, Jee Soo Jang, Il Tae Jang, Seong Hoon Oh
BACKGROUND:  Percutaneous endoscopic lumbar diskectomy is a good treatment modality for lumbar disk herniation. However, when a patient complains of bilateral lower limb radicular pain with severe disk protrusion at the L5-S1 level, the transforaminal approach is often unable to resolve both lesions owing to anatomical limitations. It is also very difficult to resolve both lesions in an ipsilateral direction using the percutaneous interlaminar approach. We report our surgical technique and clinical results using a ventral dural approach of percutaneous endoscopic interlaminar lumbar diskectomy for L5-S1 herniated nucleus pulposus (HNP) in patients with bilateral radiculopathy due to a severe disk protrusion...
April 23, 2018: Journal of Neurological Surgery. Part A, Central European Neurosurgery
https://www.readbyqxmd.com/read/29660747/paraspinal-muscles-of-patients-with-lumbar-diseases
#8
Moon Soo Park, Seong-Hwan Moon, Tae-Hwan Kim, JaeKeun Oh, Seon-Jong Lee, Ho Guen Chang, Jae-Hyuk Shin
OBJECTIVE:  The treatment of atrophy or increased fat infiltration of the lumbar paraspinal muscles of patients with back pain, lumbar radiculopathy, or lumbar degenerative kyphosis is controversial. We review the literature on changes in the lumbar paraspinal muscles of these patients. METHODS:  We searched Medline for relevant English-language articles and retrieved 25 articles published from 1993 to 2017 on changes in the lumbar paraspinal muscles; 21 met our study criteria...
April 16, 2018: Journal of Neurological Surgery. Part A, Central European Neurosurgery
https://www.readbyqxmd.com/read/29649852/outcome-predictors-of-the-transforaminal-endoscopic-spine-system-technique-for-single-level-lumbar-disk-herniation
#9
Jinchun Wu, Bin Yu, Bin He, Gang Liu, Jidong Ju, Jianguang Zhu
BACKGROUND:  Endoscopic spine surgery has become increasingly popular. However, no study has researched the predictive factors for different outcomes. This study is the first to evaluate the outcome predictors of the transforaminal endoscopic spine system (TESSYS) technique for lumbar disk herniation (LDH). METHODS:  We performed a prospective study of 80 patients meeting the inclusion criteria who underwent TESSYS for LDH. Clinical outcomes were assessed by the visual analog scale (VAS), the Oswestry Disability Index (ODI), and the modified MacNab criteria...
April 12, 2018: Journal of Neurological Surgery. Part A, Central European Neurosurgery
https://www.readbyqxmd.com/read/29649851/primary-malignant-melanoma-in-the-pineal-region-case-report-and-literature-review
#10
Christopher Wendel, Denis Laurent Kaech, Martin Woodtli
BACKGROUND:  Primary pineal malignant melanoma is a rare type of primary central nervous system melanoma with only 19 cases reported in the literature. CASE REPORT:  We present a case of a 53-year-old man with primary melanoma of the pineal region. He presented to the emergency department with gait unsteadiness and ataxia. Magnetic resonance imaging (MRI) revealed a 22 × 17 × 22-mm mass in the pineal region. On MRI the tumor was hyperintense in T1, isointense in T2, and on T1-weighted images with gadolinium enhancement it appeared homogeneously hyperintense with hypointense spots...
April 12, 2018: Journal of Neurological Surgery. Part A, Central European Neurosurgery
https://www.readbyqxmd.com/read/29642243/symptomatic-ruptured-seed-type-partial-ossification-of-the-ligamentum-flavum-a-case-report
#11
Hyeun Sung Kim, Nitin Maruti Adsul, Farid Yudoyono, Jee Soo Jang, Il Tae Jang, Seong Hoon Oh
BACKGROUND:  Seed-type partial ossification of the ligamentum flavum (OLF) causing severe radiculopathy after rupture has not yet been described in the literature. CASE DESCRIPTION:  A 51-year-old man presented with sudden onset severe back pain and right anterior thigh pain without any neurologic deficit after lifting a heavy weight. On preoperative computed tomography, we identified a ruptured seed-type partial OLF at the L1-L2 level. T2-weighted magnetic resonance sagittal and axial images showed thecal sac compression by the ruptured OLF...
April 11, 2018: Journal of Neurological Surgery. Part A, Central European Neurosurgery
https://www.readbyqxmd.com/read/29571177/large-in-mask-motion-during-frameless-radiosurgery-of-a-brain-metastasis
#12
Maciej Harat, Jacek Furtak
Frameless radiosurgery is now a common alternative to traditional in-frame treatment. Several dosimetric studies have reported small in-mask positioning inaccuracies during frameless radiosurgery. We present a case of an uncommonly large deviation in in-mask motion detected offline in a patient undergoing linear accelerator-based frameless radiosurgery. Our case illustrates how the use of a thermoplastic mask can lead to unacceptable setup errors for passive image-guided radiosurgery. The case underlines the need for correct patient preparation, adequate time between mask molding and computed tomography, and routine intrafraction imaging...
March 23, 2018: Journal of Neurological Surgery. Part A, Central European Neurosurgery
https://www.readbyqxmd.com/read/29571176/intraoperative-ultrasound-appearance-of-a-pancreatic-cerebral-metastasis-a-case-report
#13
Carmine Antonio Donofrio, Lina Raffaella Barzaghi, Jody Filippo Capitanio, Andrea Cavalli, Pietro Panni, Silvia Snider, Pietro Mortini
BACKGROUND:  Brain metastases (BMs) derived from pancreatic adenocarcinoma (PAC) have an extremely low incidence (0.1-0.4%) and are usually associated with a very poor prognosis. The treatment strategy is palliative and includes conventional radiotherapy, stereotactic radiosurgery, chemotherapy, and surgical resection. CASE DESCRIPTION:  A 39-year-old man with a history of PAC developed a systemic tumor relapse with intracranial progression. Magnetic resonance imaging (MRI) documented a right rolandic, cortical, and cystic lesion with leptomeningeal intrasulcular extension...
March 23, 2018: Journal of Neurological Surgery. Part A, Central European Neurosurgery
https://www.readbyqxmd.com/read/29523012/risk-of-postoperative-performance-status-worsening-after-resection-of-lesions-involving-the-motor-pathway-a-multinomial-logistic-regression-model
#14
Antonino Raco, Alessandro Pesce, Flavia Fraschetti, Giancarlo D'Andrea, Filippo Maria Polli, Michele Acqui, Alessandro Frati
BACKGROUND AND STUDY OBJECTIVE:  In surgery for gliomas and brain metastases, preservation of neurologic functions is essential to ensure a good quality of life and the eligibility for adjuvant therapies. This article assesses which factors could influence the functional outcome in patients with lesions located in the motor pathways. MATERIALS AND METHODS:  A total of 92 patients with gliomas and metastases involving the motor pathways were studied for concerns regarding quality of life (Karnofsky performance status [KPS] and modified Rankin scale [mRS]) before and after surgical treatment supported by intraoperative neuromonitoring...
March 9, 2018: Journal of Neurological Surgery. Part A, Central European Neurosurgery
https://www.readbyqxmd.com/read/29523011/perioperative-use-of-anticoagulant-and-platelet-inhibiting-medications-for-elective-spine-surgery-results-of-a-nationwide-survey
#15
Dominik Baschera, Joachim Oberle, Florian Grubhofer, Samuel Luca Schmid
BACKGROUND AND STUDY AIMS:  Perioperative use of anticoagulant and platelet-inhibiting agents by patients undergoing spine surgery poses the dilemma of increased risk of hemorrhage. We examined the standards of use for these medications and expert opinions through a nationwide survey. MATERIALS AND METHODS:  An online-based survey was conducted by invitation. A personal token to access the survey was sent to one representative of each neurosurgical and orthopaedic unit performing spine surgery and to all other active members of the Swiss Society of Neurosurgery and the Swiss Society of Spinal Surgery...
March 9, 2018: Journal of Neurological Surgery. Part A, Central European Neurosurgery
https://www.readbyqxmd.com/read/29346830/feasibility-of-navigable-percutaneous-disk-decompressor-l-disq-c-for-cervical-disk-herniation
#16
Youngki Hong, Seunghan Yoo, Nack Hwan Kim, Yushin Kim, Sangho Sohn, Sung-Young Yoon, Sangheon Lee
OBJECTIVE:  To assess the procedural efficacy and safety of a Navigable Percutaneous Disk Decompressor (L'DISQ-C) for cervical disk herniation. METHODS:  We performed intradiskal decompression on cervical spine specimens from five human cadavers using the L'DISQ-C under C-arm fluoroscopic guidance. We evaluated our success for positioning the navigable wand tip into the target region and recorded temperature variation at various distances from the wand tip in the cervical nucleus pulposus...
May 2018: Journal of Neurological Surgery. Part A, Central European Neurosurgery
https://www.readbyqxmd.com/read/29346829/intraoperative-seizures-in-awake-craniotomy-for-perirolandic-glioma-resections-that-undergo-cortical-mapping
#17
Chikezie Ikechukwu Eseonu, Jordina Rincon-Torroella, Young M Lee, Karim ReFaey, Punita Tripathi, Alfredo Quinones-Hinojosa
BACKGROUND:  Perirolandic motor area gliomas present invasive eloquent region tumors within the precentral gyrus that are difficult to resect without causing neurologic deficits. STUDY AIMS:  This study evaluates the role of awake craniotomy and motor mapping on neurologic outcome and extent of resection (EOR) of tumor in the perirolandic motor region. It also analyzes preoperative risk factors for intraoperative seizures. METHODS:  We evaluated 57 patients who underwent an awake craniotomy for a perirolandic motor area eloquent region glioma...
May 2018: Journal of Neurological Surgery. Part A, Central European Neurosurgery
https://www.readbyqxmd.com/read/29346828/dynamic-posterior-stabilization-versus-posterior-lumbar-intervertebral-fusion-a-matched-cohort-study-based-on-the-spine-tango-registry
#18
Kathrin S Bieri, Kelly Goodwin, Emin Aghayev, Hans-Joachim Riesner, Ralph Greiner-Perth
PURPOSE:  The primary aim of dynamic stabilization is to stabilize the spine and preserve function without overstressing adjacent segments, which is a potential risk of fusion surgery. However, direct comparative analyses of the two approaches are still limited, and little is known about the association of patient-reported outcomes with these treatment options. OBJECTIVE:  To compare the clinical outcomes of dynamic posterior stabilization using the DSS Stabilization System (Paradigm Spine, LLC, New York, New York, United States) versus posterior lumbar intervertebral fusion (PLIF) based on data from a spine registry...
May 2018: Journal of Neurological Surgery. Part A, Central European Neurosurgery
https://www.readbyqxmd.com/read/29316572/improvement-of-respiratory-depression-in-a-patient-with-primary-medullary-hemorrhage-following-removal-of-hematoma-in-the-half-sitting-position
#19
Shinya Ichimura, Helmut Bertalanffy, Masato Nakaya, Yoichi Mochizuki, Raita Fukaya, Goroku Moriwaki, Masahito Fukuchi, Koji Fujii
Primary medullary hemorrhage is a rare event that may result in ataxic respiration. Although it remains controversial whether primary medullary hemorrhage should be managed conservatively or surgically, recent advancements in neuroimaging and microsurgical techniques have shown promise for improving outcomes and prognosis following surgery. The present report discusses the case of a 70-year-old woman admitted to our institution due to sudden-onset nausea and vomiting. The patient underwent surgical removal of a right medullary hematoma for the treatment of daytime respiratory depression and nocturnal apnea while in the half-sitting position...
March 2018: Journal of Neurological Surgery. Part A, Central European Neurosurgery
https://www.readbyqxmd.com/read/29294512/clenching-reduction-technique-for-osteosynthesis-of-atypical-c2-fractures-with-the-combining-use-of-laminar-and-pedicle-screw-a-technical-note
#20
Suk-Joong Lee, Woo-Kie Min, Hyun-Joo Lee, Jong-Uk Mun, Ji-Yeon Choi
Atypical C2 fractures refer to all fracture types of the C2 body excluding odontoid fractures and traumatic spondylolisthesis of C2. A 55-year-old male patient presented with neck pain after a vehicular accident. Computed tomography (CT) showed an oblique fracture line of the C2 vertebral body through the pedicle and lamina with fracture gap and posterior displacement. We used a clenching reduction technique to treat this fracture by using an ipsilateral laminar screw and contralateral pedicle screw. The final follow-up CT scan showed complete bone union...
March 2018: Journal of Neurological Surgery. Part A, Central European Neurosurgery
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