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https://www.readbyqxmd.com/read/28922276/risk-factors-for-surgical-site-infection-after-posterior-lumbar-spinal-surgery
#1
Jia-Ming Liu, Hui-Lin Deng, Xuan-Yin Chen, Yang Zhou, Dong Yang, Man-Sheng Duan, Shan-Hu Huang, Zhi-Li Liu
STUDY DESIGN: A retrospective study. OBJECTIVE: The purpose of this study was to identify the independent risk factors for postoperative SSI after posterior lumbar spinal surgery based on the perioperative factors analysis. SUMMARY OF BACKGROUND DATA: Surgical site infection (SSI) is one of the most common complications after spinal surgery. Previous studies have identified different risk factors for postoperative SSI following lumbar spinal surgery...
September 15, 2017: Spine
https://www.readbyqxmd.com/read/28917641/changes-in-innervation-of-lumbar-motoneurons-and-organization-of-premotor-network-following-training-of-transected-adult-rats
#2
Loubna Khalki, Karina Sadlaoud, Julie Lerond, Jacques-Olivier Coq, Jean-Michel Brezun, Laurent Vinay, Patrice Coulon, Hélène Bras
Rats with complete spinal cord transection (SCT) can recover hindlimb locomotor function under strategies combining exercise training and 5-HT agonist treatment. This recovery is expected to result from structural and functional re-organization within the spinal cord below the lesion. To begin to understand the nature of this reorganization, we examined synaptic changes to identified gastrocnemius (GS) or tibialis anterior (TA) motoneurons (MNs) in SCT rats after a schedule of early exercise training and delayed 5-HT agonist treatment...
September 13, 2017: Experimental Neurology
https://www.readbyqxmd.com/read/28915307/the-use-of-bone-morphogenetic-protein-in-spinal-transforaminal-lumbar-interbody-fusion-our-experience
#3
Eduardo Colom-Beauchamp, David Beaton-Comulada, Julio A Rodriguez, José C Pérez-López, José Montañez-Huertas, Enrique Escobar-Medina, José Massanet-Vollrath
OBJECTIVE: Since its introduction and FDA approval, rhBMP-2 has been adopted by spine surgeons as a substitute for ICBG in numerous spinal fusion techniques. As broad clinical use increased, reports on potential complications associated with rhBMP-2 also increased. We provide our experience with TLIF using rhBMP-2 or ICBG in an entirely Hispanic population. METHODS: This was a 2-year retrospective study of 67 patients, with 26 in the rhBMP-2 group and 41 in the ICBG group, who underwent TLIF...
September 2017: Puerto Rico Health Sciences Journal
https://www.readbyqxmd.com/read/28913640/case-report-of-kummell-s-disease-with-delayed-onset-myelopathy-and-the-literature-review
#4
REVIEW
Salvatore D'Oria, Carlo Delvecchio, Mariagrazia Dibenedetto, Francesco Zizza, Carlo Somma
INTRODUCTION: Kummell's disease is an avascular necrosis of the vertebral body, secondary to a vertebral compression fracture. This entity is characterised by the gradual development in time of a vertebral body collapse following a trivial spinal trauma, involving a worsening back pain associated with a progressive kyphosis. PURPOSES: The aim of this article is to carry out an international literature review regarding Kummell's disease, addressing its physiopathology, histopathology, clinical presentation, radiological characteristics and treatment modalities; at the same time, the literature is updated through the description of a new and interesting case, symbol of the pathology long-term potential complications, if not diagnosed and therefore not suitably treated...
September 14, 2017: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/28885297/spinal-surgeons-opinions-on-pre-and-postoperative-rehabilitation-in-patients-undergoing-lumbar-spinal-fusion-surgery-a-survey-based-study-in-the-netherlands-and-sweden
#5
Reni M A van Erp, Jetse Jelsma, Ivan P J Huijnen, Mari Lundberg, Paul C Willems, Rob J E M Smeets
STUDY DESIGN: A cross-sectional survey in the Netherlands and Sweden. OBJECTIVE: To investigate Dutch and Swedish spinal surgeons' opinions on spinal fusion pre- and postoperative rehabilitation. SUMMARY OF BACKGROUND DATA: Lumbar spinal fusion surgery is increasingly provided in patients with chronic low back pain. No guidelines however exist for pre- and postoperative rehabilitation and it is unknown what opinions spinal surgeons currently have about pre- and postoperative rehabilitation...
September 6, 2017: Spine
https://www.readbyqxmd.com/read/28866658/proteomic-analysis-of-the-dorsal-spinal-cord-in-the-mouse-model-of-spared-nerve-injury-induced-neuropathic-pain
#6
Eun-Sung Park, Jung-Mo Ahn, Sang-Min Jeon, Hee-Jung Cho, Ki-Myung Chung, Je-Yoel Cho, Dong-Ho Youn
Peripheral nerve injury often causes neuropathic pain and is associated with changes in the expression of numerous proteins in the dorsal horn of the spinal cord. To date, proteomic analysis method has been used to simultaneously analyze hundreds or thousands of proteins differentially expressed in the dorsal horn of the spinal cord in rats or dorsal root ganglion of rats with certain type of peripheral nerve injury. However, a proteomic study using a mouse model of neuropathic pain could be attempted because of abundant protein database and the availability of transgenic mice...
September 3, 2017: Journal of Biomedical Research
https://www.readbyqxmd.com/read/28863195/risk-factors-for-14-day-rehospitalization-following-trauma-with-new-traumatic-spinal-cord-injury-diagnosis-a-10-year-nationwide-study-in-taiwan
#7
Carlos Lam, Ping-Ling Chen, Jiunn-Horng Kang, Kuang-Fu Cheng, Ray-Jade Chen, Kuo-Sheng Hung
OBJECTIVES: Fourteen-day rehospitalization with new traumatic spinal cord injury (tSCI) diagnosis is used as an indicator for the diagnostic quality of the first hospitalization. In this nationwide population-based cohort study, we identified risk factors for this indicator. METHODS: We conducted a nested case-control study by using the data of patients who received a first hospitalization for trauma between 2001 and 2011. The data were retrieved from Taiwan's National Health Insurance Research Database...
2017: PloS One
https://www.readbyqxmd.com/read/28856978/traumatic-spinal-cord-injury-in-the-north-east-tanzania-describing-incidence-etiology-and-clinical-outcomes-retrospectively
#8
Haleluya Moshi, Gunnevi Sundelin, Klas-Göran Sahlen, Ann Sörlin
BACKGROUND: Causes, magnitude and consequences of traumatic spinal cord injury depend largely on geography, infrastructure, socioeconomic and cultural activities of a given region. There is a scarcity of literature on profile of traumatic spinal cord injury to inform prevention and rehabilitation of this health condition in African rural settings, particularly Tanzania. OBJECTIVE: To describe the incidence, etiology and clinical outcomes of traumatic spinal cord injury and issues related to retrospective study in underdeveloped setting...
2017: Global Health Action
https://www.readbyqxmd.com/read/28852822/incidence-and-risk-factors-for-symptomatic-spinal-epidural-haematoma-following-lumbar-spinal-surgery
#9
Jia-Ming Liu, Hui-Lin Deng, Yang Zhou, Xuan-Yin Chen, Dong Yang, Man-Sheng Duan, Shan-Hu Huang, Zhi-Li Liu
PURPOSE: Spinal epidural haematoma (SEH) is a common complication after lumbar spinal decompression surgery, and symptomatic SEH usually causes devastating neurological deficits. Although different risk factors for post-operative SEH have been reported, few studies focused on patients' laboratory tests. The purpose of this study was to analyze the incidence of symptomatic SEH following lumbar spinal surgery, as well as identify the risk factors for it. METHODS: Patients who underwent posterior lumbar spinal decompression surgery between January 2010 and August 2016 were included in this study and their medical records were retrospectively reviewed...
August 29, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28822824/using-spinopelvic-parameters-to-estimate-residual-lumbar-lordosis-assuming-previous-lumbosacral-fusion-a-study-of-normative-values
#10
Hwee Weng Dennis Hey, Kimberly-Anne Tan, Shashidhar Bangalore Kantharajanna, Alex Quok An Teo, Chloe Xiaoyun Chan, Ka-Po Gabriel Liu, Hee-Kit Wong
BACKGROUND CONTEXT: Pelvic Incidence (PI) = Pelvic Tilt (PT) + Sacral Slope (SS) is an established trigonometric equation which can be expanded from studying the fixed pelvis with the spine to a fixed spinopelvic complex with the remnant spine, in scenarios of spinopelvic fusion or ankylosis. For a fixed spinopelvic complex, we propose the equation termed: Lumbar Incidence (LI) = Lumbar Tilt (LT) + Lumbar Slope (LS). PURPOSE: To establish reference values for LI, LT and LS at each lumbar vertebral level, and to show how LI can be used to determine rLL...
August 16, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28816975/incidence-and-risk-factors-of-posterior-cage-migration-following-decompression-and-instrumented-fusion-for-degenerative-lumbar-disorders
#11
Hua Li, Hui Wang, Yanbo Zhu, Wenyuan Ding, Qian Wang
The aim of this study was to explore the incidence and risk factors for posterior cage migration (PCM) following decompression and instrumented fusion for degenerative lumbar disorders, and hope to provide references in decision making and surgical planning for spine surgeons.By retrieving the medical records from January 2011 to December 2015, 286 patients were retrospectively reviewed. According to the occurrence of PCM, patients were divided into 2 groups: PCM group and non-PCM (N-PCM). To investigate risk values for PCM, 3 categorized factors were analyzed statistically: patient characteristics: age, sex, body mass index, bone mineral density, duration of disease, diagnosis, comorbidity, smoke; surgical variables: surgery time, blood loss, surgical strategy, cage morphology, cage size, surgical segment, fusion number, source of bone graft, surgeon experience; radiographic parameters: preoperative lumbar lordosis, correction of lumbar lordosis, preoperative lumbar mobility, preoperative intervertebral height, change of intervertebral height, Modic changes, paraspinal muscle degeneration...
August 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28816271/-construction-and-improvement-of-animal-models-with-different-positional-osseous-metastasis-of-prostate-cancer-in-vivo
#12
Y X Bi, M H Xiao, N N Zhang, X Y Li, X P Mao, K Zhang, Z R Zhang, L Y Zhao
OBJECTIVE: To provide an important tool for the study of diagnose and treatment of prostate cancer (PCa) osseous metastasis and change of bone stress force on prostate cancer (PCa) osseous metastasis and a platform, which is more congruous to clinical process, for prevention and cure of neoplastic bone metastases, and to carry out the construction and improvement of animal models of PCa with different positional osseous metastasis in vivo. METHODS: Different gradient concentrations of RM-1 cells were inoculated into the cavity of left femoral bone or lumbar vertebra of mice (C57BL/6) respectively...
August 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28790477/pediatric-lumbar-pedicle-screw-placement-using-navigation-templates-a-cadaveric-study
#13
Xing Wang, Jun Shi, Shojie Zhang, Zhifeng Zhang, Xiaohe Li, Zhijun Li
BACKGROUND: Pedicle screw technique is commonly used treatment of adult spinal trauma, tumor, degeneration. The application of pedicle screws is very challenging in children because children have a fast growing spine and spinal pedicle morphology of children and adult has large difference. 3 D reconstruction individual navigation templates improve the success rate of pediatric pedicle screw system. This study is aimed to provide a precise method for lumbar spine pedicle screw placement in children using computer-aided design and rapid prototyping technology...
July 2017: Indian Journal of Orthopaedics
https://www.readbyqxmd.com/read/28783082/incorporation-of-collagen-in-calcium-phosphate-cements-for-controlling-osseointegration
#14
Ming-Hsien Hu, Pei-Yuan Lee, Wen-Cheng Chen, Jin-Jia Hu
In this study, we investigated the effect of supplementing a non-dispersive dicalcium phosphate-rich calcium phosphate bone cement (DCP-rich CPC) with type I collagen on in vitro cellular activities and its performance as a bone graft material. Varying amounts of type I collagen were added during the preparation of the DCP-rich CPC. In vitro cell adhesion, morphology, viability, and alkaline phosphatase (ALP) activity were evaluated using progenitor bone cells. Bone graft performance was evaluated via a rat posterolateral lumbar fusion model and osteointegration of the implant...
August 6, 2017: Materials
https://www.readbyqxmd.com/read/28759978/a-novel-plif-peek-interbody-cage-with-an-impactionless-insertion-technology-a-case-series-with-a-mid-term-follow-up-of-three-years
#15
Charlotte Struwe, Pia C Hermann, Rahel Bornemann, Milena Plöger, Philip P Roessler, Andreas C Strauss, Yorck Rommelspacher, Ernst M W Koch, Robert Pflugmacher
BACKGROUND: Spinal fusion surgery has become one of the most common spinal procedures during the recent years. Searching for an optimum structural stability of the vertebral interspace, surgical implants which can be inserted via a posterior lumbar interbody fusion (PLIF) approach have been enhanced recently. OBJECTIVE: Evaluation of safety and efficacy of a novel PLIF polyetheretherketone (PEEK) interbody cage (TWIST) with an impactionless insertion technique. METHODS: Surgical outcome in 15 patients treated with the new system were observed preoperatively, one and three years after surgery using the Oswestry Disability Index (ODI), a Visual Analogue Scale (VAS) for pain and radiological outcome analysis of fusion success...
July 21, 2017: Technology and Health Care: Official Journal of the European Society for Engineering and Medicine
https://www.readbyqxmd.com/read/28746132/three-dimensional-cross-platform-planning-for-complex-spinal-procedures-a-new-method-adaptive-to-different-navigation-systems
#16
Michael Kosterhon, Angelika Gutenberg, Sven R Kantelhardt, Jens Conrad, Amr Nimer Amr, Joachim Gawehn, Alf Giese
STUDY DESIGN: A feasibility study. OBJECTIVE: To develop a method based on the DICOM standard which transfers complex 3-dimensional (3D) trajectories and objects from external planning software to any navigation system for planning and intraoperative guidance of complex spinal procedures. SUMMARY OF BACKGROUND DATA: There have been many reports about navigation systems with embedded planning solutions but only few on how to transfer planning data generated in external software...
August 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28738852/tertiary-syphilis-in-the-lumbar-spine-a-case-report
#17
Yang Bai, Feng Niu, Lidi Liu, Hui Sha, Yimei Wang, Song Zhao
BACKGROUND: The incidence of tertiary syphilis involvement in the spinal column with destructive bone lesions is very rare. It is difficult to establish the correct diagnosis from radiographs and histological examination alone. Limited data are available on surgical treatment to tertiary syphilitic spinal lesions. In this article, we report a case of tertiary syphilis in the lumbar spine with osteolytic lesions causing cauda equina compression. CASE PRESENTATION: A 44-year-old man who suffered with low back pain for 6 months and progressive radiating pain at lower extremity for 1 week...
July 24, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28735135/endoscope-assisted-abscess-drainage-secondary-to-endoscope-assisted-tlif-1-year-follow-up
#18
Karthik Madhavan, Steven Shelby Burks, Lee Onn Chieng, Anand Veeravagu, Michael Y Wang
INTRODUCTION: Endoscopic discectomy and fusions have been gaining popularity in the recent past and are noted to be safe for its application in elderly population. It involves ultra-small incision for discectomy followed by placement of percutaneous screws in awake patients. Treatment of advanced spinal pathology using endoscope-assisted techniques are challenging. Although not common with endoscopic approach, post-operative infection can be problematic as there are no established guidelines on its management...
July 19, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28733366/the-available-evidence-on-demineralised-bone-matrix-in-trauma-and-orthopaedic-surgery-a-systematic-review
#19
J van der Stok, K A Hartholt, D A L Schoenmakers, J J C Arts
OBJECTIVES: The aim of this systematic literature review was to assess the clinical level of evidence of commercially available demineralised bone matrix (DBM) products for their use in trauma and orthopaedic related surgery. METHODS: A total of 17 DBM products were used as search terms in two available databases: Embase and PubMed according to the Preferred Reporting Items for Systematic Reviews and Meta Analyses statement. All articles that reported the clinical use of a DBM-product in trauma and orthopaedic related surgery were included...
July 2017: Bone & Joint Research
https://www.readbyqxmd.com/read/28728580/lumbar-microdiscectomy-and-post-operative-activity-restrictions-a-protocol-for-a-single-blinded-randomised-controlled-trial
#20
Chris D Daly, Kai Zheong Lim, Jennifer Lewis, Kelly Saber, Mohammed Molla, Naor Bar-Zeev, Tony Goldschlager
BACKGROUND: Lumbar microdiscectomy is the most commonly performed spinal surgery procedure, with over 300,000 cases performed annually in the United States alone. Traditionally, patients were advised to restrict post-operative activity as this was believed to reduce the risk of disc reherniation and progressive instability. However, this practice would often delay patients return to work. In contemporary practice many surgeons do not restrict patient post-operative activity due to the perception this practice is unnecessary...
July 20, 2017: BMC Musculoskeletal Disorders
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