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https://www.readbyqxmd.com/read/28104526/total-navigation-in-spine-surgery-a-concise-guide-to-eliminate-fluoroscopy-using-a-portable-intraoperative-ct-3d-navigation-system
#1
Rodrigo Navarro-Ramirez, Gernot Lang, Xiaofeng Lian, Connor Berlin, Insa Janssen, Ajit Jada, Marjan Alimi, Roger Härtl
BACKGROUND: Portable intraoperative computed tomography (iCT) with integrated 3D navigation offers new opportunities for more precise navigation in spinal surgery, eliminates radiation exposure for the surgical team and accelerates surgical workflows. We present the concept of "total navigation" using iCT NAV in spinal surgery. Therefore, we propose a step-by-step guideline demonstrating how total navigation can eliminate fluoroscopy with time efficient workflows integrating iCT NAV into daily practice...
January 16, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28099187/a-comparative-study-of-anterior-decompression-with-fusion-and-posterior-decompression-with-laminoplasty-for-the-treatment-of-cervical-spondylotic-myelopathy-patients-with-large-anterior-compression-of-the-spinal-cord
#2
Takashi Hirai, Toshitaka Yoshii, Yoshiyasu Arai, Kenichiro Sakai, Ichiro Torigoe, Hidetsugu Maehara, Masaki Tomori, Takashi Taniyama, Hirokazu Sato, Atsushi Okawa
STUDY DESIGN: This is a retrospective observational single-center study. OBJECTIVES: To compare anterior decompression and fusion (ADF) and laminoplasty (LAMP) for the treatment of cervical spondylotic myelopathy (CSM) patients with large anterior compression in terms of clinical and radiologic outcomes. SUMMARY OF BACKGROUND DATA: We have reported that insufficient posterior decompression could be often seen after laminoplasty for CSM patients with preoperative anterior clearance of the spinal cord, defined as an interval <4 mm between the preoperative the modified K-line and anterior structure of the spinal canal at most compressive segment on sagittal T1-weighted magnetic resonance imaging...
January 17, 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28097252/enterococcus-faecalis-causing-delayed-spondylodiscitis-in-a-case-with-retained-intraspinal-bullet
#3
Siddharth N Aiyer, Ajoy Prasad Shetty, Rishi Kanna, Srikanth Reddy, Shanmuganathan Rajasekaran
Delayed presentations have been reported following gunshot wounds (GSW) with retained intraspinal bullets due to migration of projectile or lead intoxication. We report on the rare occurrence of delayed pyogenic spondylodiscitis and neurological dysfunction following injury from low velocity GSW to the spine with a retained projectile. A 55-year-old male presented 4 months following GSW to the abdomen which resulted in colonic injury and L5 fracture. The patient was treated initially with ileo-transverse anastomosis, antibiotics, without retrieval of the bullet...
December 2016: Journal of Spine Surgery (Hong Kong)
https://www.readbyqxmd.com/read/28097251/management-of-progressive-late-onset-scoliosis-with-magnetic-growth-rod-insertion-leading-to-improvement-of-neural-anomalies-a-case-report
#4
Amit Zaveri, Valerio Pace, Dimpu Bhagawati, Vijay Rajamani, Thillainayagam Muthukumar, Hilali Noordeen
BACKGROUND: To present the first known reported case of late onset idiopathic scoliosis with concomitant neural anomalies, treated with sequential distraction using magnetic growth rod, had significant improvement in both cranio-cervical and intraspinal anomaly. METHODS: A caucasian, growing female child (at the age of ten) presented with moderately progressive late onset right thoracic scoliosis. She was found to have Chiari type I malformation and a cervicothoracic syrinx on routine pre-operative MRI scanning...
December 2016: Journal of Spine Surgery (Hong Kong)
https://www.readbyqxmd.com/read/28097242/anterior-to-psoas-atp-fusion-of-the-lumbar-spine-evolution-of-a-technique-facilitated-by-changes-in-equipment
#5
Cristian Gragnaniello, Kevin Seex
BACKGROUND: Lateral interbody cages have been proven useful in spinal fusions. Spanning both lateral cortical rims while sparing the Anterior Longitudinal Ligament, the lateral interbody cages restore and maintain disc height while adding stability prior to supplemental fixation. The standard approach for their insertion is by a 90-degree lateral transpsoas method. This is relatively bloodless compared to other techniques although has its limitations, requiring neuro-monitoring and being, at times, very difficult at L4/5 due to iliac crest obstruction or an anterior plexus position...
December 2016: Journal of Spine Surgery (Hong Kong)
https://www.readbyqxmd.com/read/28089837/direct-midline-posterior-corpectomy-and-fusion-of-a-lumbar-burst-fracture-with-retrospondyloptosis-a-case-report
#6
Arthur Carminucci, Rachid Assina, R Nick Hernandez, Ira M Goldstein
BACKGROUND: Traumatic burst fractures of the lumbar spine can result in significant neurological injury and mechanical instability. The ideal surgical approach for the treatment of unstable lumbar spine burst fractures remains debatable. CASE DESCRIPTION: A 37 year-old male presented with severe neurological injury including loss of motor function below the level of the iliopsoas muscles bilaterally, saddle anesthesia, and absent rectal tone, following a fall from 60 ft...
January 9, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28089666/mini-open-oblique-lumbar-interbody-fusion-olif-approach-for-multi-level-discectomy-and-fusion-involving-l5-s1-preliminary-experience
#7
Fahed Zairi, Tarek P Sunna, Harrison J Westwick, Alexander G Weil, Zhi Wang, Ghassan Boubez, Daniel Shedid
STUDY DESIGN: Technical description and single institution retrospective case series OBJECTIVE: Evaluate technical feasibility and evaluate complications of mini open retroperitoneal oblique lumbar interbody fusion (OLIF) at the L5-S1 level. SUMMARY OF BACKGROUND: The mini open retroperitoneal oblique lumbar interbody fusion (OLIF) approach was first described in 2012 as a surgical approach to achieve spinal fusion while limiting invasiveness of the exposure to the anterior lumbar spine...
January 12, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28089422/low-magnitude-mechanical-signals-and-the-spine-a-review-of-current-and-future-applications
#8
REVIEW
Martin H Pham, Zorica Buser, Jeffrey C Wang, Frank L Acosta
Animal and human studies demonstrate the anabolic properties of low-magnitude mechanical stimulation (LMMS) in its ability to improve bone formation by enhancing the proliferation of mesenchymal stem cells and their subsequent commitment down an osteoblastic lineage. Response to mechanical strains as low as 10μɛ have been seen, illustrating the sensitivity of mechanosensory cells to mechanotransduction pathways. Applications to the spine include treatment of osteoporosis in preparation for instrumented fusion, fracture reduction in spinal cord injury patients to slow bone mineral density loss, and bone tissue engineering and enhancement of bone-implant osseointegration for pseudarthrosis and hardware failure...
January 12, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28079273/abnormal-fetal-muscle-forces-result-in-defects-in-spinal-curvature-and-alterations-in-vertebral-segmentation-and-shape
#9
Rebecca A Rolfe, James H Bezer, Tyler Kim, Ahmed Z Zaidon, Michelle L Oyen, James C Iatridis, Niamh C Nowlan
The incidence of congenital spine deformities, including congenital scoliosis, kyphosis and lordosis, may be influenced by the in utero mechanical environment, and particularly by fetal movements at critical time-points. There is a limited understanding of the influence of fetal movements on spinal development, despite the fact that mechanical forces have been shown to play an essential role in skeletal development of the limb. This study investigates the effects of muscle forces on spinal curvature, vertebral segmentation and vertebral shape by inducing rigid or flaccid paralysis in the embryonic chick...
January 12, 2017: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/28076997/surgical-treatment-of-severe-multilevel-circumferential-compressive-myelopathy-of-the-cervical-spine-is-circumferential-procedure-necessary
#10
Xiao-Kang Liu, Hao Li, Jian-Guang Xu, Er-Zhu Yang, Tie-Sheng Hou, Bing-Fang Zeng, Xiao-Feng Lian
OBJECTIVE: To determine the necessity of circumferential decompression and fusion in patients with severe multilevel cervical spondylotic myelopathy with circumferential cord compression. METHODS: This prospective study involved 51 patients with severe multilevel circumferential cervical myelopathy underwent two-stage circumferential procedure between July 2008 and June 2010. VAS scores, satisfaction surveys and JOA scores and imaging studies were obtained. Twenty-three patients (45...
January 11, 2017: British Journal of Neurosurgery
https://www.readbyqxmd.com/read/28074438/is-there-variation-in-procedural-utilization-for-lumbar-spine-disorders-between-a-fee-for-service-and-salaried-healthcare-system
#11
Andrew J Schoenfeld, Heeren Makanji, Wei Jiang, Tracey Koehlmoos, Christopher M Bono, Adil H Haider
BACKGROUND: Whether compensation for professional services drives the use of those services is an important question that has not been answered in a robust manner. Specifically, there is a growing concern that spine care practitioners may preferentially choose more costly or invasive procedures in a fee-for-service system, irrespective of the underlying lumbar disorder being treated. QUESTIONS/PURPOSES: (1) Were proportions of interbody fusions higher in the fee-for-service setting as opposed to the salaried Department of Defense setting? (2) Were the odds of interbody fusion increased in a fee-for-service setting after controlling for indications for surgery? METHODS: Patients surgically treated for lumbar disc herniation, spinal stenosis, and spondylolisthesis (2006-2014) were identified...
January 10, 2017: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/28072705/posterior-only-vertebral-column-resection-for-revision-surgery-in-post-laminectomy-rotokyphoscoliosis-associated-with-late-onset-paraplegia-a-case-report-and-literature-review
#12
Youping Tao, Jigong Wu, Huasong Ma
RATIONALE: Severe post-laminectomy spinal deformity associated with late-onset paraplegia is a complex and rare disorder. Little is known about revision surgery in post-laminectomy rotokyphoscoliosis associated with late-onset paraplegia treated by the single stage posterior-only vertebral column resection (VCR) procedure. PATIENT CONCERNS AND DIAGNOSES: The patient was a 14-year-old male diagnosed as post-laminectomy rotokyphoscoliosis associated with late-onset paraplegia...
January 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28067696/multidisciplinary-evaluation-leads-to-the-decreased-utilization-of-lumbar-spine-fusion-an-observational-cohort-pilot-study
#13
Vijay Yanamadala, Yourie Kim, Quinlan D Buchlak, Anna K Wright, James Babington, Andrew Friedman, Robert S Mecklenburg, Farrokh Farrokhi, Jean-Christophe Leveque, Rajiv K Sethi
STUDY DESIGN: Observational cohort pilot study. OBJECTIVE: To determine the impact of multidisciplinary conference on treatment decisions for lumbar degenerative spine disease. SUMMARY OF BACKGROUND DATA: Multidisciplinary decision making improves outcomes in many disciplines. The lack of integrated systems for comprehensive care for spinal disorders has contributed to the inappropriate overutilization of spine surgery in the United States...
January 6, 2017: Spine
https://www.readbyqxmd.com/read/28060179/uniplanar-versus-fixed-pedicle-screws-in-the-correction-of-thoracic-kyphosis-in-the-treatment-of-adolescent-idiopathic-scoliosis-ais
#14
Siddharth A Badve, Ryan C Goodwin, David Gurd, Thomas Kuivila, Swamy Kurra, William F Lavelle
BACKGROUND: The aim of surgical treatment of scoliosis is to obtain fusion of the spinal column, balanced in the coronal and sagittal planes. Great success has been attained with coronal correction; however, the sagittal profile has received less attention, resulting in little correction of sagittal plane alignment. The purpose of this study was to compare uniplanar and fixed pedicle screws in the correction of the thoracic sagittal alignment in the treatment of adolescent idiopathic scoliosis (AIS)...
January 5, 2017: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/28059949/the-influence-of-single-level-versus-multilevel-decompression-on-the-outcome-in-multisegmental-lumbar-spinal-stenosis-analysis-of-the-lumbar-spinal-outcome-study-lsos-data
#15
Nils H Ulrich, Jakob M Burgstaller, Ulrike Held, Sebastian Winklhofer, Mazda Farshad, Giuseppe Pichierri, Johann Steurer, François Porchet
STUDY DESIGN: This is prospective multicenter cohort study. OBJECTIVE: To assess whether patients with confirmed multisegmental lumbar spinal stenosis benefit more from a single-level or a multilevel decompression. SUMMARY OF BACKGROUND DATA: In multisegmental lumbar spinal stenotic cases, the decision as to how many levels of stenosis need to be operated to achieve the best possible clinical outcome is still unknown and remains a controversy between spine surgeons...
January 4, 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28059683/spinopelvic-sagittal-imbalance-as-a-risk-factor-for-adjacent-segment-disease-after-single-segment-posterior-lumbar-interbody-fusion
#16
Tomiya Matsumoto, Shinya Okuda, Takafumi Maeno, Tomoya Yamashita, Ryoji Yamasaki, Tsuyoshi Sugiura, Motoki Iwasaki
OBJECTIVE The importance of spinopelvic balance and its implications for clinical outcomes after spinal arthrodesis has been reported in recent studies. However, little is known about the relationship between adjacent-segment disease (ASD) after lumbar arthrodesis and spinopelvic alignment. The purpose of this study was to clarify the relationship between spinopelvic radiographic parameters and symptomatic ASD after L4-5 single-level posterior lumbar interbody fusion (PLIF). METHODS This was a retrospective 1:5 matched case-control study...
January 6, 2017: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/28057094/-comparison-of-the-outcomes-between-anterior-cervical-discectomy-and-fusion-versus-posterior-laminectomy-and-fusion-for-the-treatment-of-multi-level-cervical-spondylotic-myelopathy-combined-with-cervical-kyphosis
#17
Q F Shen, T T Xu, Y P Xia
Objective: To compare the outcomes between anterior cervical discectomy and fusion (ACDF) and posterior laminectomy and fusion(LF) for multilevel cervical spondylotic myelopathy combined with cervical kyphosis. Methods: From January 2010 to June 2014, 54 patients with cervical spondylotic myelopathy combined with cervical kyphosis underwent surgical treatment.Among them, 29 patients were underwent ACDF, and 25 patients were underwent LF in Department of spine surgery, Tianjin Union Medical Centre. The operation time, intraoperative blood loss, fusion segments, Japanese Orthopaedic Association (JOA)score, Neck Disability Index (NDI), Visual Analog Scale (VAS), change of cervical curvature, range of motion(ROM)and complications were recorded and compared between the two groups...
December 20, 2016: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28056345/extracellular-remodeling-by-lysosomes-an-inside-out-mechanism-of-spine-plasticity
#18
Paul R Evans, Ryohei Yasuda
In this issue of Neuron, Padamsey et al. (2017) demonstrate that neuronal activity triggers lysosomal fusion with the plasma membrane in dendrites. Quite unexpectedly, the lysosomes release signaling molecules that induce extracellular matrix remodeling to support long-lasting dendritic spine plasticity.
January 4, 2017: Neuron
https://www.readbyqxmd.com/read/28055969/tmprss2-erg-fusion-promotes-prostate-cancer-metastases-in-bone
#19
Rachel Deplus, Carine Delliaux, Nathalie Marchand, Anne Flourens, Nathalie Vanpouille, Xavier Leroy, Yvan de Launoit, Martine Duterque-Coquillaud
Bone metastasis is the major deleterious event in prostate cancer (PCa). TMPRSS2-ERG fusion is one of the most common chromosomic rearrangements in PCa. However, its implication in bone metastasis development is still unclear. Since bone metastasis starts with the tropism of cancer cells to bone through specific migratory and invasive processes involving osteomimetic capabilities, it is crucial to better our understanding of the influence of TMPRSS2-ERG expression in the mechanisms underlying the bone tropism properties of PCa cells...
December 31, 2016: Oncotarget
https://www.readbyqxmd.com/read/28050718/national-trends-following-decompression-discectomy-and-fusion-in-octogenarians-and-nonagenarians
#20
Doniel Drazin, Carlito Lagman, Siddharth Bhargava, Miriam Nuño, Terrence T Kim, J Patrick Johnson
BACKGROUND: The National Inpatient Sample (NIS) database is used to evaluate a wide variety of surgical procedures across a range of specialties. The authors of this study assess national trends of the three commonest spine procedures performed (decompression, fusion, and discectomy) in patients between the ages of 80 and 100 years (octogenarians and nonagenarians). METHODS: The NIS database was queried to identify patients between the ages of 80 and 100 with a primary diagnosis of spinal stenosis, disk herniation without myelopathy, or protrusion due to degeneration of spine/disk disorders and who have undergone spinal decompression, fusion, or discectomy between the years 1998 and 2011...
January 3, 2017: Acta Neurochirurgica
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