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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/29330576/xipho-pubic-angle-xpa-correlates-with-patient-s-reported-outcomes-in-a-population-of-adult-spinal-deformity-results-from-a-multi-center-cohort-study
#2
Francesco Langella, Jorge Hugo Villafañe, Virginie Lafage, Justin S Smith, Christopher Shaffrey, Han Jo Kim, Douglas Burton, Richard Hostin, Shay Bess, Christopher Ames, Gregory Mundis, Eric Klineberg, Frank Schwab, Renault Lafage, Pedro Berjano
STUDY DESIGN: Retrospective multi-center cohort study. PURPOSE: Sagittal misalignment causes changes in the abdominal shape. Xipho-pubic angle (XPA) has been previously described to radiographically evaluate the shape of the abdominal cavity in patients with spine deformity. The aims of this study are to evaluate the correlation of XPA-to-spinopelvic sagittal parameters and to patients' health-related quality-of-life (HRQoL) scores. METHODS: 278 patients from a multi-center database with diagnosis adult spinal deformity (ASD) (one or more of: coronal Cobb angle > 20°, sagittal vertical axis (SVA) > 50 mm, pelvic tilt (PT) > 25°, and thoracic kyphosis > 60°) were included...
January 12, 2018: European Spine Journal
https://www.readbyqxmd.com/read/29327825/the-sagittal-spinal-alignment-in-young-swimmers-and-glide-performance-the-importance-of-lumbar-lordosis
#3
Teresa Paolucci, Federico Zangrando, Dario Palladino, Antonio Monaco, Barbara Cordiani, Alice Mannocci, Vincenzo M Saraceni, Ciro Villani
No abstract text is available yet for this article.
January 10, 2018: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/29325950/a-novel-technique-for-cervical-laminoplasty-fusion-clpf-simultaneously-enhancing-stabilization-and-decompression-in-various-cervical-myelopathies-a-technical-note-and-outcomes
#4
Il Sup Kim, Jae Taek Hong, Jung Jae Lee, Jong Bum Lee, Chul Bum Cho, Seung Ho Yang, Jae Hoon Sung
PURPOSE: Cervical laminectomy has two major disadvantages: post-laminectomy adhesion of dural membrane and the lack of a fusion bed. The objective of this study was to determine whether simultaneous laminoplasty with fusion (CLPF) might overcome these unwanted outcomes. METHODS: Cases of CLPF for treating various cervical myelopathy with instability who were followed up for at least 12 months were enrolled. Preoperative and postoperative Neck Disability Index (NDI), Japanese Orthopedic Association (JOA) scores before and after surgeries, recovery rates (RRs), C2-7 lordosis, and fusion success rates were evaluated...
January 8, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29320988/prevalence-and-key-radiographic-spinal-malalignment-parameters-that-influence-the-risk-for-gastroesophageal-reflux-disease-in-patients-treated-surgically-for-adult-spinal-deformity
#5
Tetsuro Ohba, Shigeto Ebata, Kensuke Koyama, Hirotaka Haro
BACKGROUND: Gastroesophageal reflux disease (GERD) is a factor that has a significant negative impact on the quality of life (QoL). Vertebral fractures and/or spinal malalignment may influence the frequency of GERD. However, the epidemiology and pathology of GERD in patients with adult spinal deformity (ASD) are still largely unknown. To establish the optimal surgical strategy for GERD in patients treated surgically for ASD, we sought to clarify the GERD prevalence, determine radiographically which spinal malalignment parameters influence GERD risk, and evaluate GERD improvement postoperatively...
January 10, 2018: BMC Gastroenterology
https://www.readbyqxmd.com/read/29317155/compensatory-mechanism-of-the-spine-after-corrective-surgery-without-lumbar-sacral-fixation-for-traumatic-thoracolumbar-kyphotic-spine-deformity
#6
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/29315120/ethnic-variations-in-radiographic-parameters-and-srs-22-scores-in-adult-spinal-deformity-a-comparison-between-north-american-and-japanese-patients-above-50-years-of-age-with-minimum-2-year-follow-up
#7
Naobumi Hosogane, Christopher Ames, Morio Matsumoto, Mitsuru Yagi, Yukihiro Matsuyama, Hiroshi Taneichi, Yu Yamato, Daisaku Takeuchi, Frank Schwab, Christopher Shaffrey, Justin S Smith, Shay Bess, Virginie Lafage
STUDY DESIGN: Retrospective review of North American and Japanese adult spinal deformity (ASD) database. OBJECTIVE: To investigate the ethnical differences in radiographic parameters and Scoliosis Research Society (SRS)-22 between North American and Japanese ASD. SUMMARY OF BACKGROUND DATA: Previous comparison study between North American and Japanese ASD patients has revealed Japanese patients had marked pelvic tilt deformity and had lower Oswestry Disability Index scores corresponding to established thresholds of radiographic deformity...
January 8, 2018: Clinical Spine Surgery
https://www.readbyqxmd.com/read/29310920/total-hip-arthroplasty-patients-with-fixed-spinopelvic-alignment-are-at-higher-risk-of-hip-dislocation
#8
Christina I Esposito, Kaitlin M Carroll, Peter K Sculco, Douglas E Padgett, Seth A Jerabek, David J Mayman
BACKGROUND: Sitting radiographs have been used as a pre-operative tool to plan patient-specific total hip arthroplasty (THA) component position that would improve hip stability. Previous work has demonstrated that spinal mobility may impact functional acetabular position when seated. We sought to determine whether patients who dislocate following THA have different sitting spinopelvic alignment or acetabular component orientation compared to patients who did not dislocate. METHODS: A consecutive series of 1000 patients underwent post-operative low-dose biplanar spine-to-ankle lateral radiographs in standing and sitting positions 1 year following THA...
December 13, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29305072/analysis-of-risk-factors-for-sagittal-translation-after-pedicle-subtraction-osteotomy-in-ankylosing-spondylitis-patients
#9
Jin-Sung Park, Jaedong Kim, Il-Han Joo, Kyu-Dong Sim, Ye-Soo Park
BACKGROUND CONTEXT: Sagittal translation, a potential complication of pedicle subtraction osteotomy (PSO), can results in neurologic damage. However, few studies have been conducted on sagittal translation and its risk factors after PSO in patients with ankylosing spondylitis (AS). PURPOSE: To report cases of sagittal translation that developed after PSO in patients with AS with kyphotic deformity and to analyze risk factors for sagittal translation. STUDY DESIGN: A retrospective case-control study PATIENT SAMPLE: This study included 53 patients (58 cases) with AS who underwent PSO to correct their kyphotic deformity...
January 2, 2018: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/29290134/minimally-invasive-anterior-and-lateral-transpsoas-approaches-for-closed-reduction-of-grade-ii-spondylolisthesis-initial-clinical-and-radiographic-experience
#10
David S Xu, Konrad Bach, Juan S Uribe
OBJECTIVE Minimally invasive anterior and lateral approaches to the lumbar spine are increasingly used to treat and reduce grade I spondylolisthesis, but concerns still exist for their usage in the management of higher-grade lesions. The authors report their experience with this strategy for grade II spondylolisthesis in a single-surgeon case series and provide early clinical and radiographic outcomes. METHODS A retrospective review of a single surgeon's cases between 2012 and 2016 identified all patients with a Meyerding grade II lumbar spondylolisthesis who underwent minimally invasive lateral lumbar interbody fusion (LLIF) or anterior lumbar interbody fusion (ALIF) targeting the slipped level...
January 2018: Neurosurgical Focus
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
#11
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/29285406/virtual-autopsy-to-assess-sacral-anatomy-conditions-for-a-minimal-invasive-approach-to-the-spinal-canal-through-the-hiatus-sacralis
#12
Andrea Bodmer, Steffen Ross, Andreas Raabe, Jürgen Beck, Christian T Ulrich, Philippe Schucht
Background: Despite multiple advantages of minimally invasive techniques in spinal surgery, the currently used approaches may lead to postoperative pain and spinal instability. As a natural orifice, the hiatus sacralis offers a nontransmuscular alternative entry point for endoscopic approaches. In this study, we collected data about the complex anatomical conditions of the sacral canal as a basis for the development of a sacral endoscope. Methods: We retrospectively evaluated 192 postmortem human cadaveric specimens with computed tomography (CT)...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/29281728/vertebral-cross-sectional-growth-a-predictor-of-vertebral-wedging-in-the-immature-skeleton
#13
Ervin Poorghasamians, Patricia C Aggabao, Tishya A L Wren, Skorn Ponrartana, Vicente Gilsanz
The degree of vertebral wedging, a key structural characteristic of spinal curvatures, has recently been found to be negatively related to vertebral cross-sectional area (CSA). The purpose of this longitudinal study was to examine the relation between vertebral cross-sectional growth and vertebral wedging progression within the immature lumbar spine. Using magnetic resonance imaging (MRI), we analyzed the potential association between increases in lumbar vertebral CSA and changes in L5 vertebral wedging in 27 healthy adolescent girls (ages 9-13 years) twice within a two-year period...
2017: PloS One
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
#14
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/29279752/difference-in-spinal-sagittal-alignment-and-health-related-quality-of-life-between-males-and-females-with-cervical-deformity
#15
Shin Oe, Daisuke Togawa, Go Yoshida, Tomohiko Hasegawa, Yu Yamato, Sho Kobayashi, Tatsuya Yasuda, Tomohiro Banno, Yuki Mihara, Yukihiro Matsuyama
Study Design: Large cohort study. Purpose: To clarify spinal sagittal alignment and health-related quality of life (HRQOL) according to sex in volunteers aged >50 years with cervical deformity (CD). Overview of Literature: Adult spinal deformities, especially those associated with lumbosacral lesions, are more frequent in females; however, CD is observed to a greater extent in males. Methods: We divided 656 volunteers (263 males, 393 females; age, 50-89 years [mean, 73 years]) as follows: males with CD (CDM; 82 patients); males without CD (NCDM, 181); females with CD (CDF, 36); and females without CD (NCDF, 357)...
December 2017: Asian Spine Journal
https://www.readbyqxmd.com/read/29276714/radiological-changes-in-the-cervical-spine-in-freshman-collegiate-sumo-wrestlers
#16
Yasuaki Nakagawa, Shogo Mukai, Kazufumi Minami, Yuji Hattori, Takashi Nakamura
Background: Sumo has long been a traditional sport in Japan and is rapidly attracting enthusiasts abroad. Sumo wrestling entails a risk of impact to the cervical spine during an initial charge. Few reports are available in the English-language literature regarding radiological changes in the cervical spine in sumo wrestlers. Purpose: To examine radiological changes in the cervical spine in freshmen collegiate sumo wrestlers. Study Design: Case series; Level of evidence, 4...
December 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/29275047/reduced-lordosis-and-enhanced-aggression-in-paced-and-non-paced-mating-in-diabetic-female-rats
#17
Abigail K Hernández-Munive, Daniela Rebolledo-Solleiro, Elisa Ventura-Aquino, Alonso Fernández-Guasti
BACKGROUND: Clinical studies have shown altered sexual function in people with diabetes; basic science studies, using the streptozotocin (STZ)-induced animal model of type 1 diabetes mellitus (DM1), have consistently reported decreased sexual behavior in hyperglycemic female animals, but features of sexual motivation and aggressive behavior have not been explored in these animals. AIM: To study several parameters that denote sexual motivation in STZ-treated female rats and to compare behavioral features of sexual behavior and aggression in non-paced mating (NPM) and paced mating (PM) conditions...
December 20, 2017: Journal of Sexual Medicine
https://www.readbyqxmd.com/read/29273457/the-effects-of-ketamine-on-sexual-behavior-anxiety-and-locomotion-in-female-rats
#18
Fay A Guarraci, Chantal M F Gonzalez, Devon Lucero, Paige D Womble, Heba Abdel-Rahim, Jennie DeVore, Marcela Nicole Kunkel, Emma Quadlander, Morgan Stinnett, Jessica Boyette-Davis
The present study characterized the effects of ketamine on sexual behavior and anxiety in female rats. In Experiment 1, female subjects received an injection of ketamine (10.0mg/kg) or saline 30min prior to a sexual partner-preference test during which each female subject was given the opportunity to interact with a female stimulus or a sexually vigorous male stimulus. Immediately afterwards, female subjects were tested for locomotion in an open field test. Ketamine-treated subjects spent significantly more time with the male stimulus than saline-treated subjects...
December 19, 2017: Pharmacology, Biochemistry, and Behavior
https://www.readbyqxmd.com/read/29273454/effects-of-non-contingent-cocaine-on-3-alpha-androstanediol-ii-disruption-of-lordosis-of-proestrous-rats
#19
Amy S Kohtz, Alicia A Walf, Cheryl A Frye
Drug use influences sexual behavior, performance, and can be associated with increased sexual risk-taking. Our prior results using an animal model indicate that progestogens contribute to hormonally-mediated changes in sexual behavior of female rodents during acute cocaine exposure. Androgens, such as testosterone, and its metabolite 3ɑ-androstanediol (3α-diol), and estradiol, are known to influence male sexual behavior, but can also alter the expression of sexual behavior of female rodents. As such, we investigated the influence of endogenous androgen and estradiol fluctuations on cocaine-mediated changes in motor behavior and sexual receptivity of rats during diestrous or proestrous phases of the estrous cycle...
December 19, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/29247396/the-mechanism-in-junctional-failure-of-thoraco-lumbar-fusions-part-ii-analysis-of-a-series-of-pjk-after-thoraco-lumbar-fusion-to-determine-parameters-allowing-to-predict-the-risk-of-junctional-breakdown
#20
Antonio A Faundez, Jonathon Richards, Philippe Maxy, Rachel Price, Amélie Léglise, Jean-Charles Le Huec
PURPOSE: To identify risk factors, in 12 patients with junctional breakdown (JBD) after thoraco-sacral fusions and to test a software locating maximal bending moment on full spine EOS images. METHODS: Twelve patients underwent long fusions for lumbar degenerative pathologies. Preop EOS images were compared to first postop EOS showing JBD. Parameters analyzed were: spinopelvic parameters [pelvic incidence (PI), pelvic tilt (PT), sacral slope (SS), sagittal vertical axis (SVA), spinosacral angle (SSA), lordosis, and kyphosis], proximal junctional angle (PJA), odontoid-hip axis angle (ODHA), and CIA...
December 15, 2017: European Spine Journal
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