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https://www.readbyqxmd.com/read/28343240/childhood-angular-kyphosis-a-plea-for-involvement-of-the-pediatric-neurosurgeon
#1
E Cornips, S Koudijs, J Vles, L van Rhijn
INTRODUCTION: Childhood angular kyphosis is rare, as most children are affected by a mixed kyphotic and scoliotic deformity. Published series involving a mix of kyphosis and kyphoscoliosis, pediatric and adult, congenital and acquired cases are almost exclusively authored by orthopedic surgeons, suggesting that (pediatric) neurosurgeons are not involved. CASE SERIES: We present five cases that illustrate the spectrum of angular kyphosis, and these were treated by a multidisciplinary team including child neurologist, orthopedic surgeon, and pediatric neurosurgeon as complementary partners...
March 25, 2017: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/28338450/postoperative-quality-of-life-assessment-in-patients-with-spine-metastases-treated-with-long-segment-pedicle-screw-fixation
#2
Florian Bernard, Jean-Michel Lemée, Olivier Lucas, Philippe Menei
OBJECTIVE In recent decades, progress in the medical management of cancer has been significant, resulting in considerable extension of survival for patients with metastatic disease. This has, in turn, led to increased attention to the optimal surgical management of bone lesions, including metastases to the spine. In addition, there has been a shift in focus toward improving quality of life and reducing hospital stay for these patients, and many minimally invasive techniques have been introduced with the aim of reducing the morbidity associated with more traditional open approaches...
March 24, 2017: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/28335699/approaches-to-paraspinal-tumours-a-technical-note
#3
Arjun Dhar, Sumeet Pawar, Apurva Prasad, P S Ramani
Neurogenic tumours of the paraspinal space can occur in all age groups. It is common in adult population and relatively rare in elderly group. Usually they are benign, but in children, arising from the autonomic system, tends to be malignant in nature. Usually in adults, they arise from peripheral nerve sheath and are labelled as schwannomas. For a given tumour, determination of a correct surgical approach is mandatory to achieve a successful surgical outcome. Several factors like tumour size, histology, involvement of the bony spinal canal, etc...
March 23, 2017: Neurological Research
https://www.readbyqxmd.com/read/28334553/a-multi-matrix-hilic-ms-ms-method-for-the-quantitation-of-endogenous-small-molecule-neurological-biomarker-n-acetyl-aspartic-acid-naa
#4
Dewakar Sangaraju, Sheerin K Shahidi-Latham, Braydon L Burgess, Brian Dean, Xiao Ding
A multi-matrix hydrophilic interaction liquid chromatography tandem mass spectrometric method (HILIC-MS/MS) was developed for the quantitation of N-Acetyl Aspartic acid (NAA) using stable isotope labeled internal standard, D3-NAA in various biological matrices such as human plasma, human CSF, mouse plasma, brain and spinal cord. A high throughput 96-well plate format supported liquid extraction (SLE) procedure was developed and used for sample preparation. Mass spectrometric analysis of NAA was performed using selected reaction monitoring transitions in positive electrospray ionization mode...
March 14, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28327950/a-new-classification-for-pathologies-of-spinal-meninges-part-2-primary-and-secondary-intradural-arachnoid-cysts
#5
Jörg Klekamp
BACKGROUND: Spinal intradural arachnoid cysts are rare causes of radiculopathy or myelopathy. Treatment options include resection, fenestration, or cyst drainage. OBJECTIVE: To classify intradural spinal arachnoid cysts and present results of their treatment. METHODS: Among 1519 patients with spinal space occupying lesions, 130 patients demonstrated intradural arachnoid cysts. Neuroradiological and surgical features were reviewed and clinical data analyzed...
March 10, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28324328/interspinous-implants-to-treat-spinal-stenosis
#6
REVIEW
Raj J Gala, Glenn S Russo, Peter G Whang
PURPOSE OF REVIEW: Lumbar spinal stenosis has historically been treated with open decompressive surgery which is associated with significant morbidity and may give rise to various complications. Interspinous spacers (ISS) have been developed as a less invasive strategy which may serve to avoid many of these risks. The two current spacers that are FDA approved and commercially available are the Coflex and Superion devices. The goal is to review these two implants, their indications, and patient selection...
March 21, 2017: Current Reviews in Musculoskeletal Medicine
https://www.readbyqxmd.com/read/28324184/early-outcomes-of-spinal-growth-tethering-for-idiopathic-scoliosis-with-a-novel-device-a-prospective-study-with-2-years-of-follow-up
#7
M Boudissa, A Eid, E Bourgeois, J Griffet, A Courvoisier
QUESTIONS/PURPOSES: Adolescent idiopathic scoliosis is a 3D spine deformity that worsens during the whole growth. New methods for spinal growth modulation with flexible spinal implants have been described to avoid progression of the deformity during growth spurt. The main limitations are that no specific ancillaries and devices are available, which makes the surgery technically demanding. METHODS: We have developed a new method of spinal growth tethering using minimal invasive videothoracoscopic approach...
March 21, 2017: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/28323709/single-stage-transpedicular-vertebrectomy-and-expandable-cage-placement-for-treatment-of-unstable-mid-and-lower-lumbar-burst-fractures
#8
Jong-Il Choi, Bum-Joon Kim, Sung-Kon Ha, Sang-Dae Kim, Dong-Jun Lim, Se-Hoon Kim
STUDY DESIGN: Retrospective clinical and radiographic study. OBJECTIVE: To examine the efficacy and safety of vertebrectomy and expandable cage placement by a single-stage posterior approach for unstable mid and lower lumbar burst fractures (below the L3). SUMMARY OF BACKGROUND DATA: Patients with unstable mid and lower lumbar burst fractures require surgical treatment to relieve pain, address paralysis, and stabilize the spine to prevent further segmental deformity...
April 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28323641/metal-artifacts-in-computed-tomography-for-radiation-therapy-planning-dosimetric-effects-and-impact-of-metal-artifact-reduction
#9
Drosoula Giantsoudi, Bruno De Man, Joost Verburg, Alexei Trofimov, Yannan Jin, Ge Wang, Lars Gjesteby, Harald Paganetti
A significant and increasing number of patients receiving radiation therapy present with metal objects close to, or even within, the treatment area, resulting in artifacts in computed tomography (CT) imaging, which is the most commonly used imaging method for treatment planning in radiation therapy. In the presence of metal implants, such as dental fillings in treatment of head-and-neck tumors, spinal stabilization implants in spinal or paraspinal treatment or hip replacements in prostate cancer treatments, the extreme photon absorption by the metal object leads to prominent image artifacts...
March 21, 2017: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/28322758/increased-seat-dump-angle-in-a-manual-wheelchair-is-associated-with-changes-in-thoracolumbar-lordosis-and-scapular-kinematics-during-propulsion
#10
Beth A Cloud, Kristin D Zhao, Arin M Ellingson, Ahmad Nassr, Anthony J Windebank, Kai-Nan An
OBJECTIVE: To quantify and compare spinal curvature and shoulder kinematics throughout the manual wheelchair propulsion cycle for individuals with spinal cord injury (SCI) who were seated at 2 different seat dump angles. DESIGN: Single-group, repeated-measures study. SETTING: Academic medical center. PARTICIPANTS: Twenty-eight individuals completed the telephone screening; 21 were eligible and completed the study. INTERVENTIONS: Participants' personal manual wheelchairs were modified to have seat dump angles of 0° or 14°, with a vertical backrest...
March 18, 2017: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28321409/could-the-topping-off-technique-be-the-preventive-strategy-against-adjacent-segment-disease-after-pedicle-screw-based-fusion-in-lumbar-degenerative-diseases-a-systematic-review
#11
REVIEW
Po-Hsin Chou, Hsi-Hsien Lin, Howard S An, Kang-Ying Liu, Wei-Ren Su, Cheng-Li Lin
The "topping-off" technique is a new concept applying dynamic or less rigid fixation such as hybrid stabilization device (HSD) or interspinous process device (IPD) for the purpose of avoiding adjacent segment disease (ASD) proximal to the fusion construct. A systematic review of the literature was performed on the effect of topping-off techniques to prevent or decrease the occurrence of ASD after lumbar fusion surgery. We searched through major online databases, PubMed and MEDLINE, using key words related to "topping-off" technique...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28320256/internal-decompression-for-spinal-stenosis-idss-for-decompression-and-use-of-interlaminar-dynamic-device-coflextm-for-stabilization-in-the-surgical-management-of-degenerative-lumbar-canal-stenosis-with-or-without-mild-segmental-instability-our-initial-results
#12
Sumeet G Pawar, Arjun Dhar, Apurva Prasad, Satyashiva Munjal, P S Ramani
INTRODUCTION: Internal decompression of spinal stenosis (IDSS) and Posterior dynamic stabilization (PDS) form a bridge between decompression laminectomy alone and rigid fusion, by attempting to sustain beneficial effects of decompression and stabilization in an attempt to prevent bad effects of relentless degeneration. OBJECTIVE: To evaluate the clinical outcome in operated patient of posterior dynamic stabilization. DESIGN: Data were collected over 1 year in prospective, nonrandomized follow-up study using outcome scales...
March 21, 2017: Neurological Research
https://www.readbyqxmd.com/read/28317555/the-cervical-spine-of-australopithecus-sediba
#13
Marc R Meyer, Scott A Williams, Peter Schmid, Steven E Churchill, Lee R Berger
Cervical vertebrae are rare in the early hominin fossil record, presenting a challenge for understanding the evolution of the neck and head carriage in hominin evolution. Here, we examine the cervical vertebrae of Australopithecus sediba, which unlike other South African taxa is known from associated cervical vertebrae. The A. sediba cervical vertebrae exhibit human-like values for wedging, pedicle cross-sectional areas, and articular facet heights, indicating reduced ventral loading relative to African apes...
March 2017: Journal of Human Evolution
https://www.readbyqxmd.com/read/28316845/spinal-cord-infarction-in-the-course-of-a-septic-shock-about-one-case-and-review-of-the-literature
#14
P Henin, A Molderez, V Huberlant, H Trine
We report the case of a patient admitted to our intensive care unit in the course of a septic shock, secondary to cholangitis. After rapid hemodynamic stabilization, antibiotherapy, and endoscopic extraction of bile ducts stones, she appeared to have developed flaccid paraplegia. The suspected diagnosis of medullar ischemia was confirmed by typical MRI findings. This case stresses the potential pathogenic role of hypotension in medullar ischemia and the place of magnetic resonance imaging (MRI) as a reliable diagnostic tool...
2017: Case Reports in Critical Care
https://www.readbyqxmd.com/read/28316056/temporary-stabilization-of-unstable-spine-fractures
#15
REVIEW
Aaron P Danison, Darrin J Lee, Ripul R Panchal
PURPOSE OF REVIEW: We will review the recent literature concerning the necessity of supplemental fusion to spinal instrumentation and discuss if temporal spinal fixation is a viable option for the treatment of unstable spine fractures. Advancements in minimally invasive techniques offer an alternative approach to traditional open stabilization for unstable spine fractures. The use of minimally invasive surgery offers many advantages concerning operative morbidly; fusion is not utilized and instrumentation can be removed in a delayed fashion...
March 18, 2017: Current Reviews in Musculoskeletal Medicine
https://www.readbyqxmd.com/read/28304240/posterior-arch-c-1-screw-technique-a-cadaveric-comparison-study
#16
Marc Moisi, Christian Fisahn, Lara Tkachenko, Shiveindra Jeyamohan, Stephen Reintjes, Peter Grunert, Daniel C Norvell, R Shane Tubbs, Jeni Page, David W Newell, Peter Nora, Rod J Oskouian, Jens Chapman
OBJECTIVE Posterior atlantoaxial stabilization and fusion using C-1 lateral mass screw fixation has become commonly used in the treatment of instability and for reconstructive indications since its introduction by Goel and Laheri in 1994 and modification by Harms in 2001. Placement of such lateral mass screws can be challenging because of the proximity to the spinal cord, vertebral artery, an extensive venous plexus, and the C-2 nerve root, which overlies the designated starting point on the posterior center of the lateral mass...
March 17, 2017: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/28300326/hur-promotes-the-molecular-signature-and-phenotype-of-activated-microglia-implications-for-amyotrophic-lateral-sclerosis-and-other-neurodegenerative-diseases
#17
Prachi Matsye, Lei Zheng, Ying Si, Soojin Kim, Wenyi Luo, David K Crossman, Preston E Bratcher, Peter H King
In neurodegenerative diseases such as amyotrophic lateral sclerosis (ALS), chronic activation of microglia contributes to disease progression. Activated microglia produce cytokines, chemokines, and other factors that normally serve to clear infection or damaged tissue either directly or through the recruitment of other immune cells. The molecular program driving this phenotype is classically linked to the transcription factor NF-κB and characterized by the upregulation of proinflammatory factors such as IL-1β, TNF-α, and IL-6...
March 16, 2017: Glia
https://www.readbyqxmd.com/read/28298786/comparison-of-dexmedetomidine-and-magnesium-sulfate-as-adjuvants-with-ropivacaine-for-spinal-anesthesia-in-infraumbilical-surgeries-and-postoperative-analgesia
#18
Reena Makhni, Joginder Pal Attri, Payal Jain, Veena Chatrath
INTRODUCTION: Postoperative pain is a major cause of fear and anxiety in hospitalized patients and so if patients remain pain-free during this period, they can cooperate with the circumstances well, leading to early recovery. Over the last two decades, there has been considerable revival of interest in the use of regional anesthesia techniques for surgery and pain management. As very few studies have been conducted using ropivacaine with dexmedetomidine and magnesium sulfate (MgSO4) as adjuvants, the present study was undertaken with primary aims to compare the hemodynamic stability, onset and duration of sensory and motor block and with secondary aims of the postoperative analgesic effect of dexmedetomidine and MgSO4 along with ropivacaine...
January 2017: Anesthesia, Essays and Researches
https://www.readbyqxmd.com/read/28292829/non-linear-modulation-of-cutaneous-reflexes-with-increasing-speed-of-locomotion-in-spinal-cats
#19
Marie-France Hurteau, Yann Thibaudier, Charline Dambreville, Anass Chraibi, Etienne Desrochers, Alessandro Telonio, Alain Frigon
Cutaneous reflexes are important for rapidly responding to perturbations, correcting limb trajectory and strengthening support. During locomotion, they are modulated by phase to generate functionally appropriate responses. The goal of the present study was to determine if cutaneous reflexes and their phase-dependent modulation are altered with increasing speed and whether this is accomplished at a spinal level. Four adult cats that recovered stable hindlimb locomotion following spinal transection were implanted with electrodes to chronically record hindlimb muscle activity and to electrically stimulate the superficial peroneal nerve to evoke cutaneous reflexes...
March 14, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28291404/outcomes-and-effectiveness-of-posterior-occipitocervical-fusion-for-suboccipital-spinal-metastases
#20
Panya Luksanapruksa, Jacob M Buchowski, Neill M Wright, Frank H Valone, Colleen Peters, David B Bumpass
OBJECTIVE The incidence of suboccipital spinal metastases is rare but has increased given cancer patients' longer life expectancies. Operative treatment in this region is often challenging because of limited fixation points due to tumor lysis, as well as adjacent neural and vascular anatomy. Few studies have reported on this population of cancer patients. The purpose of this study was to evaluate clinical outcomes and complications of patients with suboccipital spinal metastases who had undergone posterior occipitocervical fixation...
February 24, 2017: Journal of Neurosurgery. Spine
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