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Journal of Neurosurgery. Spine

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https://www.readbyqxmd.com/read/30554179/atlantoaxial-fixation-using-c1-posterior-arch-screws-feasibility-study-morphometric-data-and-biomechanical-analysis
#1
(no author information available yet)
OBJECTIVEC1-2 is a highly mobile complex that presents unique surgical challenges to achieving biomechanical rigidity and fusion. Posterior wiring methods have been largely replaced with segmental constructs using the C1 lateral mass, C1 pedicle, C2 pars, and C2 pedicle. Modifications to reduce surgical morbidity led to the development of C2 laminar screws. The C1 posterior arch has been utilized mostly as a salvage technique, but recent data indicate that this method provides significant rigidity in flexion-extension and axial rotation...
December 14, 2018: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/30554175/evaluation-of-a-more-ventral-starting-point-for-thoracic-pedicle-screws-higher-maximal-insertional-arc-and-more-medial-and-safer-screw-angulation
#2
(no author information available yet)
OBJECTIVETo demonstrate that a more ventral starting point for thoracic pedicle screw insertion, produced by aggressively removing the dorsal transverse process bone down to the superior articular facet (SAF), results in a larger margin for error and more medial screw angulation compared to the traditional dorsal starting point (DSP). The margin for error will be quantified by the maximal insertional arc (MIA).METHODSThe study population included 10 consecutive operative patients with adult idiopathic scoliosis who underwent primary surgery...
December 14, 2018: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/30544347/unintended-facet-fusions-after-dynesys-dynamic-stabilization-in-patients-with-spondylolisthesis
#3
(no author information available yet)
OBJECTIVEThe pedicle screw-based Dynesys dynamic stabilization (DDS) has reportedly become a surgical option for lumbar spondylosis and spondylolisthesis. However, it is still unclear whether the dynamic construct remains mobile or eventually fuses. The aim of this study was to investigate the incidence of unintended facet arthrodesis after DDS and its association with spondylolisthesis.METHODSThis retrospective study was designed to review 105 consecutive patients with 1- or 2-level lumbar spondylosis who were treated with DDS surgery...
December 1, 2018: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/30544346/machine-learning-modeling-for-predicting-hospital-readmission-following-lumbar-laminectomy
#4
(no author information available yet)
OBJECTIVEHospital readmission contributes substantial costs to the healthcare system. The purpose of this investigation was to create a predictive machine learning model to identify lumbar laminectomy patients at risk for postoperative hospital readmission.METHODSPatients who had undergone a lumbar laminectomy procedure in the period from 2011 to 2014 were isolated from the American College of Surgeons National Surgical Quality Improvement Program (ACS NSQIP) database. Demographic characteristics and clinical factors, including complications, comorbidities, length of stay, age, and body mass index, were analyzed in relation to whether or not the patients had been readmitted to the hospital within 30 days after their procedure by utilizing independent-samples t-tests...
December 1, 2018: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/30544345/repeated-recurrence-of-thoracic-spine-stenosis-following-decompression-alone-for-ossification-of-the-ligamentum-flavum-case-report
#5
(no author information available yet)
Ossification of the ligamentum flavum (OLF) is a well-recognized but rare cause of thoracic myelopathy. Its subtle and variable clinical presentation often makes the diagnosis challenging. The treatment of symptomatic OLF requires surgical intervention, with the most common surgical procedure being a posterior decompression with or without instrumentation. Recurrence of ossification and stenosis after surgery is rare and usually occurs at the same intervertebral level. Multiple recurrences of ossification and stenosis are exceptionally rare...
December 1, 2018: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/30544344/surgical-management-of-spinal-meningiomas-focus-on-unilateral-posterior-approach-and-anterior-localization
#6
(no author information available yet)
OBJECTIVESpinal meningiomas (sMNGs) are relatively rare in comparison to intracranial MNGs. sMNGs localized anterior to the denticulate ligament (aMNGs) represent a surgically challenging subgroup. A high perioperative complication rate due to the need for complex surgical approaches has been described. In the present study, the authors report on their surgical experience that involves two institutions in which 207 patients underwent surgery for sMNGs. Special focus was placed on patients with aMNGs that were treated via a unilateral posterior approach (ULPA)...
December 1, 2018: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/30544363/robot-assisted-intravertebral-augmentation-corrects-local-kyphosis-more-effectively-than-a-conventional-fluoroscopy-guided-technique
#7
(no author information available yet)
OBJECTIVEIntravertebral augmentation (IVA) is a reliable minimally invasive technique for treating Magerl type A vertebral body fractures. However, poor correction of kyphotic angulation, the risk of cement leakage, and significant exposure to radiation (for the surgeon, the operating room staff, and the patient) remain significant issues. The authors conducted a study to assess the value of robot-assisted IVA (RA-IVA) for thoracolumbar vertebral body fractures.METHODSThe authors performed a retrospective, single-center study of patients who had undergone RA-IVA or conventional fluoroscopy-guided IVA (F-IVA) for thoracolumbar vertebral body fractures...
November 1, 2018: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/30544348/laminectomy-alone-versus-fusion-for-grade-1-lumbar-spondylolisthesis-in-426-patients-from-the-prospective-quality-outcomes-database
#8
(no author information available yet)
OBJECTIVEThe AANS launched the Quality Outcomes Database (QOD), a prospective longitudinal registry that includes demographic, clinical, and patient-reported outcome (PRO) data to measure the safety and quality of spine surgery. Registry data offer "real-world" insights into the utility of spinal fusion and decompression surgery for lumbar spondylolisthesis. Using the QOD, the authors compared the initial 12-month outcome data for patients undergoing fusion and those undergoing laminectomy alone for grade 1 degenerative lumbar spondylolisthesis...
November 1, 2018: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/30497178/updated-imaging-does-not-affect-revision-rates-in-adults-undergoing-spine-surgery-for-lumbar-degenerative-disease
#9
(no author information available yet)
OBJECTIVEDiagnostic workup for lumbar degenerative disc disease (DDD) includes imaging such as radiography, MRI, and/or CT myelography. If a patient has unsuccessful nonoperative treatment, the surgeon must then decide if obtaining updated images prior to surgery is warranted. The purpose of this study was to investigate whether the timing of preoperative neuroimaging altered clinical outcome, as reflected by the subsequent rate of revision surgery, in patients with degenerative lumbar spinal pathology.METHODSFrom the Health Care Service Corporation administrative claims database, adult patients (minimum age 55 years old) with lumbar DDD who underwent surgery including posterior lumbar decompression with and without fusion (1-2 levels) and at least 5 years of continuous coverage after the index surgery were identified...
November 1, 2018: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/30497176/radiographic-outcome-and-complications-after-single-level-lumbar-extended-pedicle-subtraction-osteotomy-for-fixed-sagittal-malalignment-a-retrospective-analysis-of-55-adult-spinal-deformity-patients-with-a-minimum-2-year-follow-up
#10
(no author information available yet)
OBJECTIVEFixed sagittal spinal malalignment is a common problem in adult spinal deformity (ASD). Various three-column osteotomy techniques, including the extended pedicle subtraction osteotomy (ePSO), may correct global and regional malalignment in this patient population. In contrast to the number of reports on traditional PSO (Schwab grade 3 osteotomy), there is limited literature on the outcomes of ePSO (Schwab grade 4 osteotomy) in ASD surgery. The objective of this retrospective study was to provide focused investigation of radiographic outcomes and complications of single-level lumbar ePSO for ASD patients with fixed sagittal malalignment...
November 1, 2018: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/30497169/how-do-physician-demographics-training-social-media-usage-online-presence-and-wait-times-influence-online-physician-review-scores-for-spine-surgeons
#11
(no author information available yet)
OBJECTIVEThe purpose of this study was to assess the impact of certain demographics, social media usage, and physician review website variables for spine surgeons across Healthgrades.com (Healthgrades), Vitals.com (Vitals), and Google.com (Google).METHODSThrough a directory of registered North American Spine Society (NASS) physicians, we identified spine surgeons practicing in Texas (107 neurosurgery trained, 192 orthopedic trained). Three physician rating websites (Healthgrades, Vitals, Google) were accessed to obtain surgeon demographics, training history, practice setting, number of ratings/reviews, and overall score (January 2, 2018-January 16, 2018)...
November 1, 2018: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/30497153/surgical-treatment-of-a-thoracic-ventral-intradural-arachnoid-cyst-associated-with-syringomyelia-case-report
#12
(no author information available yet)
The pathogenesis of thoracic ventral intradural spinal arachnoid cyst (ISAC) is unknown due to its extremely low incidence. In addition, its surgical treatment is complicated because of the ventral location, large craniocaudal extension, and frequent coexistence of syringomyelia. The optimal surgical strategy for thoracic ventral ISAC remains unclear and continues to be a matter of debate. In this report, the authors describe an extremely rare case presenting with a compressive thoracic ventral ISAC associated with syringomyelia that was successfully treated with a simple cyst-pleural shunt...
November 1, 2018: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/30497149/iliac-screw-versus-s2-alar-iliac-screw-fixation-in-adults-a-meta-analysis
#13
REVIEW
(no author information available yet)
OBJECTIVEIn a meta-analysis, the authors sought to compare outcomes after iliac screw (IS) versus S2 alar-iliac (S2AI) screw fixation in adult patients.METHODSA PubMed/MEDLINE database search was performed for studies comparing IS and S2AI screw fixation techniques in adults. Levels of evidence were assigned based on the North American Spine Society guidelines. Three outcomes were examined: 1) revision surgery rate secondary to mechanical failure or wound complications, 2) surgical site infection rate, and 3) screw prominence/pain...
November 1, 2018: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/30497148/morphologic-variations-of-the-second-cervical-vertebra-in-down-syndrome-compared-with-age-matched-peers
#14
(no author information available yet)
OBJECTIVEAtlantoaxial instability is an important cause of pain and neurological dysfunction in patients with Down syndrome (DS), frequently requiring instrumented fusion of the upper cervical spine. This study provides a quantitative analysis of C2 morphology in DS patients compared with their peers without DS to identify differences that must be considered for the safe placement of instrumentation.METHODSA retrospective chart review identified age-matched patients with and without DS with a CT scan of the cervical spine...
November 1, 2018: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/30497147/intercostal-ilioinguinal-and-iliohypogastric-nerve-transfers-for-lower-limb-reinnervation-after-spinal-cord-injury-an-anatomical-feasibility-and-experimental-study
#15
(no author information available yet)
OBJECTIVESpinal cord injury (SCI) has been investigated in various animal studies. One promising therapeutic approach involves the transfer of peripheral nerves originating above the level of injury into those originating below the level of injury. The purpose of the present study was to evaluate the feasibility of nerve transfers for reinnervation of lower limbs in patients suffering SCI to restore some hip and knee functions, enabling them to independently stand or even step forward with assistive devices and thus improve their quality of life...
November 1, 2018: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/30497134/intraoperative-neurophysiological-monitoring-for-intradural-extramedullary-spinal-tumors-predictive-value-and-relevance-of-d-wave-amplitude-on-surgical-outcome-during-a-10-year-experience
#16
(no author information available yet)
OBJECTIVEThe purpose of this study was to evaluate the technical feasibility, accuracy, and relevance on surgical outcome of D-wave monitoring combined with somatosensory evoked potentials (SSEPs) and motor evoked potentials (MEPs) during resection of intradural extramedullary (IDEM) spinal tumors.METHODSClinical and intraoperative neurophysiological monitoring (IONM) data obtained in 108 consecutive patients who underwent surgery for IDEM tumors at the Institute for Scientific and Care Research "ASMN" of Reggio Emilia, Italy, were prospectively entered into a database and retrospectively analyzed...
November 1, 2018: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/30497132/impact-of-local-steroid-application-in-a-minimally-invasive-transforaminal-lumbar-interbody-fusion-results-of-a-prospective-randomized-single-blind-trial
#17
(no author information available yet)
OBJECTIVELocal epidural steroid application may be associated with decreased pain and narcotic use in the immediate postoperative period following lumbar discectomy. However, local steroid delivery following lumbar fusion procedures has not been well characterized. This study aims to characterize the effect of local intraoperative depomedrol application on perioperative and postoperative outcomes following a single-level minimally invasive transforaminal lumbar interbody fusion (MIS TLIF).METHODSA prospective, randomized, single-blinded study was performed...
November 1, 2018: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/30497230/change-in-the-cross-sectional-area-of-the-thecal-sac-following-balloon-kyphoplasty-for-pathological-vertebral-compression-fractures-prior-to-spine-stereotactic-radiosurgery
#18
(no author information available yet)
OBJECTIVEPercutaneous vertebral augmentation procedures such as vertebroplasty and kyphoplasty are often performed in cancer patients to relieve mechanical axial-load pain due to pathological collapse deformities. The collapsed vertebrae in these patients can be associated with varying degrees of spinal canal compromise that can be worsened by kyphoplasty. In this study the authors evaluated changes to the spinal canal, in particular the cross-sectional area of the thecal sac, following balloon kyphoplasty (BKP) prior to stereotactic radiosurgery (SRS)...
October 1, 2018: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/30497221/implications-of-anesthetic-approach-spinal-versus-general-for-the-treatment-of-spinal-disc-herniation
#19
(no author information available yet)
OBJECTIVEHealthcare costs continue to escalate. Approaches to care that have comparable outcomes and complications are increasingly assessed for quality improvement and, when possible, cost containment. Efforts to identify components of care to reduce length of stay (LOS) have been ongoing. Spinal anesthesia (SA), for select lumbar spine procedures, has garnered interest as an alternative to general anesthesia (GA) that might reduce cost and in-hospital LOS and accelerate recovery. While clinical outcomes with SA or GA have been studied extensively, few authors have looked at the cost-analysis in relation to clinical outcomes...
October 1, 2018: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/30497220/atlantoaxial-pseudoarticulation-as-a-cause-of-neck-pain-case-illustration
#20
(no author information available yet)
No abstract text is available yet for this article.
October 1, 2018: Journal of Neurosurgery. Spine
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