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https://www.readbyqxmd.com/read/29772864/-analysis-of-delayed-infection-of-proximal-junctional-zone-after-posterior-spinal-internal-fixation-and-its-treatment-strategy
#1
Gong-Qun Jiang, Yong-Heng Liu, De-Yuan Chen, Yong-Ai Liu
OBJECTIVE: To explore the features and treatment strategy of delayed infection of proximal junctional zone after posterior spinal internal fixation. METHODS: The clinical data of 1325 patients underwent posterior spinal internal fixation were retrospectively analyzed. Delayed infection occurred in 10 patients, among which 4 infections occurred at the proximal junction (non-operative site). And these 4 patients were treated with combined broad-spectrum antibiotics...
April 25, 2018: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29772857/-posterior-spinal-canal-decompression-with-screw-fixation-and-reconstruction-of-three-vertebral-column-for-thoracolumbar-burst-fractures-complicated-with-nerve-injury
#2
Li-Yong Wu, Xue-Mei Huang, Yue Wang, Zhao-Bo Yang, Sheng-Hui Su, Chun Wang
OBJECTIVE: To explore the feasibility and clinical effect of posterior spinal canal decompression with pedicle screw fixation and reconstruction of anterior and middle vertebral column for thoracolumbar burst fractures complicated with nerve injury. METHODS: A total of 36 patients with thoracolumbar burst fractures treated from March 2011 to April 2016 were enrolled in the retrospective study. There were 20 males and 16 females, aged from 21 to 52 years old with an average of 37...
April 25, 2018: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29769108/correlation-between-the-sagittal-spinopelvic-alignment-and-degenerative-lumbar-spondylolisthesis-a-retrospective-study
#3
Qi Lai, Tian Gao, Xin Lv, Xuqiang Liu, Zongmiao Wan, Min Dai, Bin Zhang, Tao Nie
BACKGROUND: Pain and disability associated with degenerative lumbar spondylolisthesis (DLS) results in significant burden on both the patients' quality of life and healthcare costs. Currently, there is controversy regarding the specificity of spinopelvic measures of sagittal plane alignment with respect to DLS. Moreover, the correlation among spinopelvic parameters of sagittal plane alignment remains to be clarified. Our aim in this study was to compare these measurements between patients with single-segment DLS at L5 and a control group with no history of DLS...
May 16, 2018: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/29767314/minimally-invasive-reduction-and-percutaneous-posterior-fixation-of-one-level-traumatic-thoraco-lumbar-and-lumbar-spine-fractures
#4
Marco Tinelli, Friederike Töpfer, Michael Kreinest, Stefan Matschke, Paul A Grützner, Arnold J Suda
INTRODUCTION: Although open procedures are the gold standard, the alternative approach of minimal invasive reduction using percutaneous screws for thoracic and lumbar spine fractures is under discussion. Aim of this study was to investigate the results of reduction and the accuracy of screw placement in minimally invasive percutaneous posterior instrumentation for these fractures. MATERIALS AND METHODS: One hundred and twenty-seven patients with thoraco-lumbar and lumbar burst fractures and minimal invasive dorsal instrumentation were analyzed retrospectively in terms of the accuracy of pedicle screw placement and results of fracture reduction...
May 16, 2018: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/29766672/ribcage-deformity-and-the-altered-breathing-pattern-in-children-with-osteogenesis-imperfecta
#5
Antonella LoMauro, Paolo Fraschini, Simona Pochintesta, Marianna Romei, Maria G D'Angelo, Andrea Aliverti
AIM: Osteogenesis Imperfecta (OI) is a genetic disease characterized by bones fragility and progressive deformity. Life expectancy is reduced in the non-lethal most severe type III form before the age of 10 years. The main cause of death in OI is respiratory insufficiency resulting from impaired thoracic function worsened by ribcage deformity and scoliosis. METHODS: We used opto-electronic plethysmography to study chest geometry, the ventilatory, and the thoraco-abdominal pattern at rest in supine position in children younger than 10 years...
May 15, 2018: Pediatric Pulmonology
https://www.readbyqxmd.com/read/29763470/the-influence-of-spinal-pelvic-parameters-on-the-prevalence-of-endplate-modic-changes-in-degenerative-thoracolumbar-lumbar-kyphosis-patients
#6
Weiwei Xia, Chenjun Liu, Shuo Duan, Shuai Xu, Kaifeng Wang, Zhenqi Zhu, Haiying Liu
BACKGROUND: The typical degeneration of the vertebral endplate shown in MRI imaging is Modic change. The aim of this study was to observe the distribution of the Modic changes of vertebral endplate in degenerative thoracolumbar/lumbar kyphosis (DTK/LK) patients and analyse the correlation between spinal-pelvic parameters and Modic changes. METHODS: The imaging data of 58 patients diagnosed with DTK/LK (coronal Cobb angle<10°with sagittal imbalance) in our hospital from March 2016 to May 2017 were reviewed retrospectively...
2018: PloS One
https://www.readbyqxmd.com/read/29762925/association-between-myxomatous-mitral-valve-disease-and-skeletal-back-abnormalities
#7
Alireza Movahed, David Majdalany, Marc Gillinov, William Schiavone
BACKGROUND: Myxomatous mitral valve disease (MMVD) is one of the most prevalent valvular heart diseases, while back pain, neck pain and upper-extremity numbness are some of the most common complaints in outpatient settings. Decreased thoracic kyphosis (straight back) is a known cause of hastening back or neck problems, radiculopathy, or even myelopathy. The study aim was to examine the relationship between MMVD, straight back, and the need for cervical fusion. METHODS: In this single-center retrospective study, patients who underwent mitral valve repair or replacement due to MMVD (cases) based on age, gender and body mass index (BMI), were matched with patients who underwent coronary artery bypass grafting (CABG) surgery and had no history of mitral valve disease (controls)...
September 2017: Journal of Heart Valve Disease
https://www.readbyqxmd.com/read/29762338/incidence-and-risk-factors-for-instrumentation-related-complications-after-scoliosis-surgery-in-pediatric-patients-with-nf-1
#8
Ziming Yao, Hao Li, Xuejun Zhang, Chengxin Li, Xinyu Qi
STUDY DESIGN: Retrospective cohort study. OBJECTIVE: To assess the incidence and risk factors of instrumentation-related complication (IRC) in pediatric patients surgically treated for neurofibromatosis type 1 (NF-1) dystrophic scoliosis. SUMMARY OF BACKGROUND DATA: Surgical management including growing rods technique and early definitive fusion has been recommended to avoid progression of NF-1 scoliosis. However, no study has yet investigated the incidence and risk factors of IRC in these surgical interventions...
May 14, 2018: Spine
https://www.readbyqxmd.com/read/29748903/sagittal-classification-in-adolescent-idiopathic-scoliosis-original-description-and-therapeutic-implications
#9
K Abelin-Genevois, D Sassi, S Verdun, P Roussouly
INTRODUCTION: Surgical treatment of AIS aims to correct the coronal and sagittal alignment of the spine. The global alignment of the spine may be normalized through reciprocal changes between the fused spine and adjacent segments. We propose a new classification system describing the specific sagittal patterns induced by AIS to define reproducible guidelines for the surgical strategy. METHODS: We analyzed 100 consecutive AIS patients aged between 12 and 18 years candidate for spinal fusion...
May 10, 2018: European Spine Journal
https://www.readbyqxmd.com/read/29741626/functional-analysis-of-a-hypomorphic-allele-shows-that-mmp14-catalytic-activity-is-the-prime-determinant-of-the-winchester-syndrome-phenotype
#10
Ivo J H M de Vos, Evelyn Yaqiong Tao, Sheena Li Ming Ong, Julian L Goggi, Thomas Scerri, Gabrielle R Wilson, Chernis Guai Mun Low, Arnette Shi Wei Wong, Dominic Grussu, Alexander P A Stegmann, Michel van Geel, Renske Janssen, David J Amor, Melanie Bahlo, Norris R Dunn, Thomas J Carney, Paul J Lockhart, Barry J Coull, Maurice A M van Steensel
Winchester syndrome (WS, MIM #277950) is an extremely rare autosomal recessive skeletal dysplasia characterized by progressive joint destruction and osteolysis. To date, only one missense mutation in MMP14, encoding the membrane-bound matrix metalloprotease 14, has been reported in WS patients. Here, we report a novel hypomorphic MMP14 p.Arg111His (R111H) allele, associated with a mitigated form of WS. Functional analysis demonstrated that this mutation, in contrast to previously reported human and murine MMP14 mutations, does not affect MMP14's transport to the cell membrane...
May 8, 2018: Human Molecular Genetics
https://www.readbyqxmd.com/read/29738385/safe-intraoperative-neurophysiologic-monitoring-during-posterior-spinal-fusion-in-a-patient-with-cochlear-implants
#11
Godwin Abiola, Bryan Kevin Ward, Stephen Bowditch, Eva Katharina Ritzl, John Patrick Carey
OBJECTIVE: Cochlear implants are generally considered a contraindication for any procedure requiring electrical stimulation near the implant. We present a case of a patient undergoing intraoperative transcranial electrical motor-evoked potential monitoring with a cochlear implant without adverse outcomes. PATIENT: A 12-year-old girl with a history of VACTERL presented with worsening congenital kyphosis and bilateral severe-to-profound hearing loss. Since age 7 the patient used a cochlear implant in the right ear and hearing aid in the left ear...
June 2018: Otology & Neurotology
https://www.readbyqxmd.com/read/29736845/sagittal-balance-measures-are-more-reproducible-when-measured-in-3d-vs-in-2d-using-full-body-eos%C3%A2-images
#12
Masashi Okamoto, Fouad Jabour, Kenichiro Sakai, Shun Hatsushikano, J C Le Huec, Kazuhiro Hasegawa
PURPOSE: An innovative low-dose X-ray biplanar imager (EOS®) allows measurement of the whole-body in standing-position which is necessary for the evaluation of spinal deformities. METHODS: A total of 60 asymptomatic subjects (ages 20-81 years) were evaluated using the 3D workflow called postural assessment and 2D measures. Subjects were measured twice each by two new observers following training, including: lordosis/kyphosis, pelvic parameters, sagittal-vertical axis, and spinal-sacral angle...
May 7, 2018: European Radiology
https://www.readbyqxmd.com/read/29735145/growth-friendly-surgery-is-effective-at-treating-early-onset-scoliosis-associated-with-goldenhar-syndrome
#13
Braydon Connell, Jonathan J Oore, Joshua M Pahys, George H Thompson, Tricia St Hilaire, Tara Flynn, Ron El-Hawary
OBJECTIVE: To evaluate the radiographic results and complications of growth-friendly (GF) surgery in the treatment of early-onset scoliosis (EOS) associated with Goldenhar syndrome. BACKGROUND: Goldenhar syndrome has been associated with spinal deformity, which may be progressive. Efficacy and complication rate of GF treatment has not been reported for this population of patients with EOS. METHODS: Patients with Goldenhar syndrome and EOS with two years' follow-up were identified from two international multicenter EOS databases...
May 2018: Spine Deformity
https://www.readbyqxmd.com/read/29735144/construct-levels-to-anchored-levels-ratio-and-rod-diameter-are-associated-with-implant-related-complications-in-traditional-growing-rods
#14
Pooria Hosseini, Behrooz A Akbarnia, Stacie Nguyen, Jeff Pawelek, John Emans, Peter F Sturm, Paul D Sponseller
INTRODUCTION: In addition to patient characteristics, consideration of length of construct to number of anchored levels ratio and rod diameter should be a part of preoperative planning to minimize implant-related complications (IRCs). IRCs including rod breakage, anchor dislodgement, and pullout are among the most common adverse events in traditional growing rods (TGRs). The current study hypothesized that anchor type and configuration are associated with IRC. METHODS: Patients with (1) age ≤10 years at surgery; (2) spine-based dual TGR; (3) minimum 2-year follow-up; and (4) available imaging...
May 2018: Spine Deformity
https://www.readbyqxmd.com/read/29735143/radiographic-outcome-differences-in-distraction-based-growing-rod-constructs-using-tandem-versus-wedding-band-connectors
#15
Matthew E Oetgen, Allison Matthews, Yunfei Wang, Laurel Blakemore, Jeff Pawelek, Anna McClung, Paul Sponseller, Francisco Sanchez Perez-Grueso, Behrooz Akbarnia
STUDY DESIGN: Comparative cohort study. OBJECTIVE: To compare coronal deformity control, lengthening efficacy, and sagittal alignment between distraction-based growing rod constructs utilizing tandem versus wedding band connectors. SUMMARY OF BACKGROUND DATA: Different construct designs exist for growing rod treatment of early-onset scoliosis. All use a version of a rod connector, with the two main types being tandem and wedding band. Little data exist to quantify the impact of connector choice on radiographic outcomes of treatment...
May 2018: Spine Deformity
https://www.readbyqxmd.com/read/29735142/decision-making-of-graduation-in-patients-with-early-onset-scoliosis-at-the-end-of-distraction-based-programs-risks-and-benefits-of-definitive-fusion
#16
Javier Pizones, Mar Pérez Martín-Buitrago, José Miguel Sánchez Márquez, Nicomedes Fernández-Baíllo, Montserrat Baldan-Martin, Francisco Javier Sánchez Pérez-Grueso
STUDY DESIGN: Retrospective comparative analysis. OBJECTIVE: Study early-onset scoliosis (EOS) graduated patients to establish founded criteria for graduation decision making and determine the risks and benefits of definitive fusion. SUMMARY OF BACKGROUND DATA: EOS is treated by growth-friendly techniques until skeletal maturity. Afterwards, patients can be "graduated," either by definitive fusion (posterior spinal fusion [PSF]) or by retaining the previous implants (Observation) with no additional surgery...
May 2018: Spine Deformity
https://www.readbyqxmd.com/read/29735138/transpedicular-decompression-debridement-and-posterior-spinal-fusion-with-instrumentation-for-single-level-thoracic-spinal-tuberculosis-with-myelopathy-is-anterior-column-reconstruction-necessary
#17
Saumyajit Basu, Sri Krishna Chaitanya Kondety
OBJECTIVES: The purpose of this study is to study the safety and efficacy of single-stage transpedicular decompression/debridement and instrumented posterior spinal fusion for single-level thoracic spinal tuberculosis with myelopathy without anterior column reconstruction. SUMMARY OF BACKGROUND DATA: Existing literature has many reports of transpedicular decompression/debridement and instrumented posterior spinal fusion with anterior column reconstruction. The quoted loss of correction is around 2°, but there is no strong evidence analyzing the loss of kyphosis correction, assessment of fusion in the same, without anterior column reconstruction...
May 2018: Spine Deformity
https://www.readbyqxmd.com/read/29735137/two-level-osteotomy-for-correcting-severe-ankylosing-spondylitis-kyphosis-radiologic-outcomes-of-different-osteotomy-position-selection-strategy-for-different-type-of-patients
#18
Chao Liu, Guoquan Zheng, Yue Guo, Kai Song, Xiangyu Tang, Xuesong Zhang, Zheng Wang, Yan Wang
OBJECTIVE: To report on the radiologic outcomes of different osteotomy position-selection strategies for a two-level osteotomy for correcting severe ankylosing spondylitis kyphosis. METHODS: From July 2009 to September 2016, a total of 46 patients in our department with severe ankylosing spondylitis kyphosis who underwent two-level pedicle subtraction osteotomy (PSO) were studied. Pre- and postoperative relevant parameters were recorded. The patients were divided into two types and further separated into four groups...
May 2018: Spine Deformity
https://www.readbyqxmd.com/read/29735133/optimal-lowest-instrumented-vertebra-for-thoracic-adolescent-idiopathic-scoliosis
#19
Charla R Fischer, Lawrence G Lenke, Keith H Bridwell, Oheneba Boachie-Adjei, Munish Gupta, Yongjung J Kim
STUDY DESIGN: Retrospective cohort chart review. OBJECTIVE: To determine the optimal lowest instrumented vertebra (LIV) following posterior segmental spinal instrumented fusion (PSSIF) of thoracic adolescent idiopathic scoliosis (AIS) with LIV at L2 or above. SUMMARY OF BACKGROUND DATA: Few studies evaluate the optimal LIV based on rotation or center sacral vertical line (CSVL). METHODS: A radiographic assessment of 544 thoracic major AIS patients (average age 14...
May 2018: Spine Deformity
https://www.readbyqxmd.com/read/29735127/reliability-of-three-dimensional-spinal-modeling-of-patients-with-idiopathic-scoliosis-using-eos-system
#20
Aria Bagheri, Xue-Cheng Liu, Channing Tassone, John Thometz, Sergey Tarima
STUDY DESIGN: Three-dimensional (3D) spinal models of children with idiopathic scoliosis (IS) were created using the EOS imaging system (EOS) and sterEOS software. OBJECTIVE: To determine the inter- or intraobserver reproducibility of the 3D spinal models in children with IS of different apex locations. SUMMARY OF BACKGROUND DATA: 3D spinal model measurements include the Cobb angle, kyphosis, lordosis, and axial vertebral rotation (AVR). Variation of these measurements between two investigators and two different trials by the same investigator were analyzed by inter- and intraclass correlation coefficients (ICCs)...
May 2018: Spine Deformity
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