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https://www.readbyqxmd.com/read/29332239/which-parameters-are-relevant-in-sagittal-balance-analysis-of-the-cervical-spine-a-literature-review
#1
REVIEW
Fong Poh Ling, T Chevillotte, A Leglise, W Thompson, C Bouthors, Jean-Charles Le Huec
INTRODUCTION: Cervical spine is part of the spine with the most mobility in the sagittal plane. It is important for surgeons to have reliable, simple and reproducible parameters to analyse the cervical. MATERIAL AND METHOD: This study is a systematic review and a critique of current parameters to help improve the study of cervical spinal balance. We conducted a systematic search of PUBMED/MEDLINE for literature published since January 2014. Only studies written in English and containing abstracts were considered for inclusion...
January 13, 2018: European Spine Journal
https://www.readbyqxmd.com/read/29332238/normal-variation-in-sagittal-spinal-alignment-parameters-in-adult-patients-an-eos-study-using-serial-imaging
#2
Hwee Weng Dennis Hey, Kian Loong Melvin Tan, Vikaesh Moorthy, Eugene Tze-Chun Lau, Leok-Lim Lau, Gabriel Liu, Hee-Kit Wong
PURPOSE: To describe normal variations in sagittal spinal radiographic parameters over an interval period and establish physiological norms and guidelines for which these images should be interpreted. METHODS: Data were prospectively collected from a continuous series of adult patients with first-episode mild low back pain presenting to a single institution. The sagittal parameters of two serial radiographic images taken 6-months apart were obtained with the EOS® slot scanner...
January 13, 2018: European Spine Journal
https://www.readbyqxmd.com/read/29322311/minimally-invasive-transforaminal-lumbar-interbody-fusion-with-unilateral-pedicle-screw-fixation-unilif-morbidity-clinical-and-radiological-2-year-outcomes-of-a-66-patient-prospective-series
#3
H Giorgi, R Prebet, R Andriantsimiavona, P Tropiano, B Blondel, H F Parent
PURPOSE: To assess clinical and radiological outcomes at 2-year follow-up of one-level minimally invasive transforaminal interbody fusion with unilateral pedicle screw fixation (UNILIF) in the treatment of stable lumbar degenerative diseases. METHODS: From January 1, 2012 to January 31, 2013, we prospectively collected clinical and radiological data on patients with stable degenerative lumbar disease managed by UNILIF in a single institution. Preoperatively and at 2 years, we recorded ODI, SF-12, Quebec and VAS...
January 10, 2018: European Spine Journal
https://www.readbyqxmd.com/read/29322310/relationship-between-sagittal-spinal-curves-geometry-and-isokinetic-trunk-muscle-strength-in-adults
#4
Walaa Elsayed, Ahmed Farrag, Qassim Muaidi, Nora Almulhim
PURPOSE: Sagittal spinal deviation has been reported to be a significant musculoskeletal problem affecting both genders and could develop at any age. Factors triggering this issue are still not well defined. The purpose of this study was to investigate the relationship between sagittal spine angles and isokinetic peak, average torque, and power of trunk muscles in asymptomatic adults. METHODS: A convenient sample of 79 subjects with asymptomatic spine participated in this study...
January 10, 2018: European Spine Journal
https://www.readbyqxmd.com/read/29317155/compensatory-mechanism-of-the-spine-after-corrective-surgery-without-lumbar-sacral-fixation-for-traumatic-thoracolumbar-kyphotic-spine-deformity
#5
Koji Matsumoto, Masahiro Hoshino, Keita Omori, Hidetoshi Igarashi, Takashi Tsuruta, Koji Yamasaki, Hiromi Matsuzaki, Takanori Iriuchishima, Yasuaki Tokuhashi
BACKGROUND: It remains unclear whether long fusion including lumbar-sacral fixation is needed in corrective surgery to obtain good global sagittal balance (GSB) for the treatment of traumatic thoracolumbar kyphotic spine deformity. The purposes of this study were to evaluate compensatory mechanism of the spine after corrective surgery without lumbar-sacral fixation and to evaluate the parameters affecting the achievement of good GSB post-operatively. METHODS: Twenty (20) subjects requiring corrective surgery (distal end of fixation was L3) were included in this study...
January 6, 2018: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/29309975/anterior-versus-posterior-selective-fusion-in-treating-adolescent-idiopathic-scoliosis-a-systematic-review-and-meta-analysis-of-radiological-parameters
#6
Yang Lin, Wenjian Chen, Anmin Chen, Feng Li, Wei Xiong
OBJECTIVE: To compare the clinical efficacy of anterior and posterior approaches for selective thoracic fusion (STF) and selective thoracolumbar/lumbar fusion (SLF) in treating adolescent Idiopathic scoliosis (AIS). METHODS: English-language literature on selective fusion treatment of AIS published before September 2016 was retrieved from the PubMed, Embase, Cochrane, and Google Scholar databases. Studies were manually selected for inclusion based on preset criteria...
January 5, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29290133/assessment-of-radiographic-and-clinical-outcomes-of-an-articulating-expandable-interbody-cage-in-minimally-invasive-transforaminal-lumbar-interbody-fusion-for-spondylolisthesis
#7
Lara W Massie, Hesham Mostafa Zakaria, Lonni R Schultz, Azam Basheer, Morenikeji Ayodele Buraimoh, Victor Chang
OBJECTIVE The inability to significantly improve sagittal parameters has been a limitation of minimally invasive surgery for transforaminal lumbar interbody fusion (MIS TLIF). Traditional cages have a limited capacity to restore lordosis. This study evaluates the use of a crescent-shaped articulating expandable cage (Altera) for MIS TLIF. METHODS This is a retrospective review of 1- and 2-level MIS TLIF. Radiographic outcomes included differences in segmental and lumbar lordosis, disc height, evidence of fusion, and any endplate violations...
January 2018: Neurosurgical Focus
https://www.readbyqxmd.com/read/29290127/image-guidance-in-transdiscal-fixation-for-high-grade-spondylolisthesis-in-adults-with-correct-spinal-balance
#8
Juan Delgado-Fernández, Paloma Pulido, María Ángeles García-Pallero, Guillermo Blasco, Natalia Frade-Porto, Rafael G Sola
OBJECTIVE Spondylolisthesis is a prevalent spine disease that recent studies estimate could be detected in 9% of the population. High-grade spondylolisthesis (HGS), however, is much less frequent, which makes it difficult to develop a general recommendation for its treatment. Posterior transdiscal fixation was proposed in 1994 for HGS, and the use of spine navigation could make this technique more accessible and reduce the morbidity associated with the procedure. The purpose of this study was to present a case series involving adult patients with HGS and correct spinal alignment who were treated with transdiscal pedicle screw placement guided with neuronavigation and compare the results to those achieved previously without image guidance...
January 2018: Neurosurgical Focus
https://www.readbyqxmd.com/read/29287823/posterior-only-vertebral-column-resection-for-fused-spondyloptosis
#9
Jeffrey L Gum, Lawrence G Lenke, Anand Mohapatra, Sam Q Sun, Michael P Kelly
STUDY DESIGN: Retrospective review. OBJECTIVES: To describe 3 cases of a posterior-only vertebral column resection (pVCR) for the treatment of spondyloptosis in the setting of prior spinal fusions. SUMMARY OF BACKGROUND DATA: Lumbosacral spondyloptosis is a rare spinal deformity with a number of surgical options, none of which demonstrate clear superiority. The use of an L5 vertebral column resection, via combined anterior and posterior approaches, to restore lumbosacral alignment has been described though is accompanied by high rates of neurological deficit...
January 2018: Spine Deformity
https://www.readbyqxmd.com/read/29287815/preventing-distal-junctional-kyphosis-by-applying-the-stable-sagittal-vertebra-concept-to-selective-thoracic-fusion-in-adolescent-idiopathic-scoliosis
#10
Joshua Yang, Lindsay M Andras, Alexander M Broom, Nicholas R Gonsalves, Kody K Barrett, Andrew G Georgiadis, John M Flynn, Vernon T Tolo, David L Skaggs
STUDY DESIGN: Multicenter retrospective review. OBJECTIVE: To assess the effectiveness of using the stable sagittal vertebra (SSV) for selecting the lowest instrumented vertebrae (LIV) to prevent distal junctional kyphosis (DJK) in selective thoracic fusions. SUMMARY OF BACKGROUND DATA: Cho et al. reported that including the SSV in a fusion decreased the rate of DJK in thoracic hyperkyphosis. METHODS: A retrospective review was performed of patients from two pediatric hospitals with adolescent idiopathic scoliosis who underwent selective posterior thoracic fusion with the LIV at L2 or above from 2000 to 2012...
January 2018: Spine Deformity
https://www.readbyqxmd.com/read/29281113/complication-rates-and-maintenance-of-correction-after-3-column-osteotomy-in-the-elderly-report-of-55-patients-with-2-year-follow-up
#11
Vincent Challier, Jensen K Henry, Shian Liu, Christopher Ames, Khaled Kebaish, Ibrahim Obeid, Richard Hostin, Munish Gupta, Oheneba Boachie-Adjei, Justin S Smith, Gregory Mundis, Shay Bess, Frank Schwab, Virginie Lafage
BACKGROUND: Three-column osteotomies (3CO) provide substantial correction for adult spinal deformity (ASD), but carry risks of complications and revisions. The risk-benefit balance of 3CO in the elderly remains unclear. OBJECTIVE: To evaluate sagittal alignment and complications after 3CO in a population over 70-yr old. METHODS: Radiographic retrospective review of consecutive patients over 70 yr ("Elderly") undergoing 3CO for ASD. Demographic, operative, and outcomes data were collected...
December 21, 2017: Neurosurgery
https://www.readbyqxmd.com/read/29277028/are-we-simplifying-balance-evaluation-in-adolescent-idiopathic-scoliosis
#12
Saba Pasha, Keith Baldwin
BACKGROUND: Clinical evaluation of the postural balance in adolescent idiopathic scoliosis has been measured by sagittal vertical axis and frontal balance. The impact of the scoliotic deformity in three planes on balance has not been fully investigated. METHODS: 47 right thoracic and left lumbar curves adolescent idiopathic scoliosis and 10 non-scoliotic controls were registered prospectively. 13 spinopelvic postural parameters were calculated from the 3-dimantional reconstructions of X-rays...
November 29, 2017: Clinical Biomechanics
https://www.readbyqxmd.com/read/29241108/the-efficacy-of-posterior-hemivertebra-resection-with-lumbosacral-fixation-and-fusion-in-the-treatment-of-congenital-scoliosis-a-more-than-2-year-follow-up-study
#13
Qiunan Lyu, Bowen Hu, Chunguang Zhou, Limin Liu, Yueming Song, Xi Yang, Liang Wang, Lei Wang
OBJECTIVE: Hemivertebrae (HV) located at the lower lumbar or lumbosacral region often produce early trunk imbalance and long compensatory curves. Because of the biomechanical characteristics of the lumbosacral junction, the rate of instrumentation failures at the region has always been high. Our study aimed to evaluate the results of posterior HV resection with lumbosacral fixation and fusion in the treatment of congenital scoliosis and to make a preliminary analysis of the possible risk factors for instrument failures...
December 9, 2017: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/29229345/comparison-of-outcomes-in-three-surgical-approaches-for-dystrophic-cervical-kyphosis-in-patients-with-neurofibromatosis-type-%C3%A2
#14
Tao Lin, Wei Shao, Ke Zhang, Rui Gao, Xuhui Zhou
OBJECTIVE: This study compares the outcomes of anterior-only (AO), posterior-only (PO), and anteroposterior (AP) surgical approaches for the treatment of dystrophic cervical kyphosis in patients with neurofibromatosis type I (NF1). METHODS: A total of 81 patients with dystrophic cervical kyphosis due to NF1 were included in our retrospective observational study. Length of kyphosis, duration of halo-traction, cobb angle, C2-7-SVA, T1 slope, NDI (Neck Disability Index), and complications after surgery were evaluated before and, if possible, after each surgical approach...
December 8, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/29201845/k%C3%A3-mmell-s-disease-treated-with-percutaneous-vertebroplasty-minimum-1-year-follow-up
#15
Jae Won Park, Jong-Hwa Park, Hong Jun Jeon, Jong Young Lee, Byung Moon Cho, Se-Hyuck Park
Objective: To evaluate the radiographic and clinical outcomes of percutaneous vertebroplasty (PVP) in patients with Kümmell's disease. Methods: A retrospective review was conducted for 19 vertebrae in 18 patients, between January 2012 and June 2016. A visual analogue scale (VAS) score was used to determine each patient's subjective level of pain (0=no pain to 10=severe pain) preoperative, immediately postoperative and at the last follow-up (at least 12 months after PVP)...
October 2017: Korean Journal of Neurotrauma
https://www.readbyqxmd.com/read/29200482/computer-simulation-of-two-level-pedicle-subtraction-osteotomy-for-severe-thoracolumbar-kyphosis-in-ankylosing-spondylitis
#16
Ning Zhang, Hao Li, Zheng-Kuan Xu, Wei-Shan Chen, Qi-Xin Chen, Fang-Cai Li
Background: Advanced ankylosing spondylitis is often associated with thoracolumbar kyphosis, resulting in an abnormal spinopelvic balance and pelvic morphology. Different osteotomy techniques have been used to correct AS deformities, unfortunnaly, not all AS patients can gain spinal sagittal balance and good horizontal vision after osteotomy. Materials and Methods: Fourteen consecutive AS patients with severe thoracolumbar kyphosis who were treated with two-level PSO were studied retrospectively...
November 2017: Indian Journal of Orthopaedics
https://www.readbyqxmd.com/read/29193314/effects-of-wobble-board-training-on-single-leg-landing-neuromechanics
#17
Priscila de Brito Silva, Anderson Souza Castelo Oliveira, Natalie Mrachacz-Kersting, Uwe Gustav Kersting
Balance training programs have been shown to reduce ankle sprain injuries in sports, but little is known about the transfer from this training modality to motor coordination and ankle joint biomechanics in sport specific movements. This study aimed to investigate the effects of wobble board training on motor coordination and ankle mechanics during early single-leg landing from a lateral jump. Twenty-two healthy men were randomly assigned to either a control or a training group, who engaged in four weeks of wobble board training...
November 29, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/29191868/alphabet-soup-sagittal-balance-correction-osteotomies-of-the-spine-what-radiologists-should-know
#18
REVIEW
T Takahashi, D Kainth, S Marette, D Polly
Global sagittal malalignment has been demonstrated to have correlation with clinical symptoms and is a key component to be restored in adult spinal deformity. In this article, various types of sagittal balance-correction osteotomies are reviewed primarily on the basis of the 3 most commonly used procedures: Smith-Petersen osteotomy, pedicle subtraction osteotomy, and vertebral column resection. Familiarity with the expected imaging appearance and commonly encountered complications seen on postoperative imaging studies following correction osteotomies is crucial for accurate image interpretation...
November 30, 2017: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/29188373/l5-pedicle-subtraction-osteotomy-indication-surgical-technique-and-specificities
#19
Abdulmajeed Alzakri, Louis Boissière, Derek T Cawley, Anouar Bourghli, Vincent Pointillart, Olivier Gille, Jean-Marc Vital, Ibrahim Obeid
PURPOSE: To evaluate the radiographic, functional outcomes, complications and surgical specificities of L5 pedicle subtraction osteotomy for fixed sagittal and coronal malalignment. METHODS: A retrospective cohort of consecutive patients with prospectively collected data. Ten patients who underwent PSO at L5 were eligible for a 2-year minimum follow-up (average, 4.0 years). Patients were evaluated by standardized upright radiographs. Preoperative and postoperative radiographies, surgical data and complications were collected...
November 29, 2017: European Spine Journal
https://www.readbyqxmd.com/read/29185111/factors-influencing-spinal-sagittal-balance-bone-mineral-density-and-oswestry-disability-index-outcome-measures-in-patients-with-rheumatoid-arthritis
#20
Kazutaka Masamoto, Bungo Otsuki, Shunsuke Fujibayashi, Koichiro Shima, Hiromu Ito, Moritoshi Furu, Motomu Hashimoto, Masao Tanaka, Stephen Lyman, Hiroyuki Yoshitomi, Shimei Tanida, Tsuneyo Mimori, Shuichi Matsuda
PURPOSE: To identify the factors influencing spinal sagittal alignment, bone mineral density (BMD), and Oswestry Disability Index (ODI) outcome measures in patients with rheumatoid arthritis (RA). METHODS: We enrolled 272 RA patients to identify the factors influencing sagittal vertical axis (SVA). Out of this, 220 had evaluation of bone mineral density (BMD) and vertebral deformity (VD) on the sagittal plane; 183 completed the ODI questionnaire. We collected data regarding RA-associated clinical parameters and standing lateral X-ray images via an ODI questionnaire from April to December 2012 at a single center...
November 28, 2017: European Spine Journal
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