e-posters Barcelona 2018

01. Basic science: Biology
22	Combined mechanical and pro-inflammatory stress contributes to weakening of the anulus fibrosus in a bovine AF organ culture approach Author: Taryn Saggese co authors: Lydia Moll, Kelly Wade, Anna Weigl, Graciosa Teixeira, Anita Ignatius, Hans-Joachim Wilke, Cornelia Neidlinger-Wilke
P1	Validation of anti-inflammatory and anti-degenerative drug therapy using a bioreactor-guided intervertebral disc organ culture model Author: Fabian Heizmann co authors: Gernot Lang, Yishan Liu, Janna Geries, David Kubosch, Norbert Südkamp, Mauro Alini, Sibylle Grad, Zhen Li
QF18	3''-UTR polymorphisms of MTHFR and TS associated with osteoporotic vertebral compression fracture susceptibility in postmenopausal women Author: Tae-Keun Ahn co authors: In-Bo Han
QF29	Metabolism of the Intervertebral Disc Cells Under the Influence of Inflammatory Factors Author: Liudmila Bardonova
02. Basic science: Biomechanics
P3	How does the scoliotic deformity affect the sagittal spine in adolescent idiopathic scoliosis? Author: Ayman Assi co authors: Mohammad Karam, Wafa Skalli, Nour Khalil, Mario Mekhael, Renée Maria Saliby, Georges Kawkabani, Ziad Bakouny, Aren Joe Bizdikian, Joeffroy Otayek, Fares Yared, Aya Karam, Virginie Lafage, Gaby Kreichati, Khalil Kharrat, Ismat Ghanem
P4	How much motion do we need to be able to walk: a full body analysis of asymptomatic adults Author: Ayman Assi co authors: Gaby Kreichati, Ismat Ghanem, Joeffroy Otayek, Fares Yared, Aren Joe Bizdikian, Ziad Bakouny, Helene Pillet, Xavier Bonnet, Virginie Lafage, Wafa Skalli
P5	Supplementary Delta Rods and Cross Rods Reduce More Primary Rod Stress in Pedicle Subtraction Osteotomy than Conventional Supplementary Rods Do: A Biomechanical Study using Finite Element Analysis Author: Pedro Berjano co authors: Fabio Galbusera, Ming Xu, Thomas Scholl, Claudio Lamartina
P6	Comparison of Posterior Rod Strain of Traditional Four-Rod Inline and Novel Ames-Deviren-Gupta Four-Rod Techniques in Pedicle Subtraction Osteotomies for Adult Spinal Deformity Correction: An In Silica Study Author: Ehsan Jazini co authors: Daniel Gelb, Jarid Tareen, Steven Ludwig, Jonathan Harris, Wenhai Wang, Bryan Ferrick, Brandon Bucklen
P7	MICROMECHANICS OF THE CARTILAGE ENDPLATE UNDER COMPRESSION Author: Fay Manning co authors: Jessica Mansfield, Jude Meakin, Peter Winlove
QF19	The effect of quasi-physiological loading on the intersegmental coupled motion behaviour of the human thoracic spine: An in vitro study using entire rib cage specimens Author: Christian Liebsch co authors: Hans-Joachim Wilke
03. Degenerative cervical
P9	Outcomes after motion-restricting heterotopic ossification in patients with cervical total disc replacement: how do they compare to ACDF? Author: Jacques Beaurain co authors: Robert J. Jackson
P10	Relationship between cervical muscle morphology evaluated by MRI, cervical muscle strength and functional outcomes in patients with degenerative cervical myelopathy Author: Maryse Fortin co authors: Nikola Wilk, Octavian Dobrescu, Philippe Martel, Carlo Santaguida, Michael Weber
P11	How cervical alignment and thoracic inlet angle affect on postoperative spinal cord alignment after laminoplasty? Author: Shinya Kato co authors: Hisanori Mihara
P12	Prospective evaluation over a decade reveals excellent patient-rated outcomes after atlantoaxial (C1/2) fusion. Author: Frank Kleinstück co authors: Tamas F Fekete, Markus Loibl, Dezsö Jeszenszky, Daniel Haschtmann, Anne F Mannion
P13	Results and long term prognosis of young adults after ACDF Author: Anniina Koski-Palkén co authors: Tuomas Hirvonen, Johan Marjamaa, Jari Siironen
P14	Postoperative Residual Numbness in Cervical Radiculopathy Author: Yukimasa Nishimura
P15	Cervical Disc Degeneration in elite College Rugby Player Author: Yusuke Oshita co authors: Hiroaki Omata, Yoshifumi Kudo, Ryo yamamura, Takayuki Nakajima, Koji Ishikawa, Akira Matsuoka, Yushi Hoshino, Koji Kanzaki, Tomoaki Toyone
P16	Surgical Outcomes in Rigid versus Flexible Cervical Deformities Author: Themistocles Protopsaltis co authors: Nicholas Stekas, Justin Smith, Alex Soroceanu, Renaud Lafage, Alan Daniels, Han Jo Kim, Peter Passias, Greg Mundis, Eric Klineberg, Kojo Hamilton, Munish Gupta, Virginie Lafage, Robert Hart, Frank Schwab, Doug Burton, Shay Bess, Christopher Shaffrey, Christopher Ames, Christopher Ames, ISSG
P17	Aortic arch calcification is a significant age-independent poor prognostic factor for neurological improvement after laminoplasty for cervical spondylotic myelopathy Author: Hironobu Sakaura co authors: Atsunori Ohnishi, Akira Yamagishi, Tetsuo Ohwada
P18	A comparison of postoperative changes of cervical sagittal alignment and balance after laminoplasty between cervical spondylotic myelopathy and ossification of the posterior longitudinal ligament Part I: Impacts of patient age and preservation of C7 Author: Hironobu Sakaura co authors: Atsunori Ohnishi, Akira Yamagishi, Tetsuo Ohwada
P19	Impacts of postoperative changes of segmental mobility on neurologic improvement after laminoplasty for cervical ossification of the posterior longitudinal ligament Author: Hironobu Sakaura co authors: Akira Yamagishi, Tetsuo Ohwada
P20	Association between droopy shoulder and degenerative changes in the cervical spine Author: Kazushi Takayama co authors: Atsushi Masuda, Teruo Kita, Ryo Sasaki, Hiroshi Taniwaki, Hideki Sakanaka, Yoshiki Yamano, Hiroaki Nakamura
P21	Rates and Predictors of Neurologic Progression in Patients Treated Conservatively for Degenerative Cervical Myelopathy Author: Lindsay Tetreault co authors: Sukhvinder Kalsi-Ryan, Allan Martin, Eric Massicotte, Jefferson Wilson, Michael Fehlings
QF77	The Discrepancy between Clinical Measures and Self-Reported Ratings of Health Status: An Introduction to Response Shift Author: Rachel Howard co authors: Lindsay Tetreault, Mary Zhu, Michael Fehlings, Jefferson Wilson
QF78	Related factors of Neck Disability Index (NDI) among elderly people in suburban area: Shiraniwa cohort study Author: Yusuke Hori co authors: Masatoshi Hoshino, Shinji Takahashi, Shoichiro Ohyama, Tadao Tsujio, Akio Kobayashi, Hiroaki Nakamura
QF81	Surgical Treatment of Severe Rigid Cervical Kyphosis by Posterior Lateral Osteotomy Author: Baoge Liu co authors: Wei Cui
QF83	Does additional bone grafting of atlantoaxial joint increase the bone fusion rate of iliac crest autograft in posterior occipitocervical fusion? A retrospective, controlled study with a 2-year follow-up Author: Jun-Song Yang co authors: Tuan-Jiang Liu, Ding-Jun Hao
04. Degenerative thoracolumbar
P23	Learning curve of lumbar discectomy using an anular closure device in large defect patients Author: Ardavan Ardeshiri1 co authors: Florian Geiger1, Ardeshir Ardeshiri2
P24	Spinal fusion over simple decompression for degenerative lumbar spondylolisthesis: which patient groups benefit more? Author: Ananyo Bagchi co authors: Marco Teli, Simon Clark, Martin Wilby
P25	Outcome of Fusion for Degenerative Disc Disease in the Lumbar Spine Author: Peter Endler co authors: Per Ekman, Ivan Berglund, Hans Möller, Paul Gerdhem
P26	Does teriparatide impact the clinical and radiographic outcome of balloon kyphoplasty for fresh osteoporotic vertebral fracture? Author: Yusuke Hori co authors: Masatoshi Hoshino, Shinji Takahashi, Hiroyuki Yasuda, Hidetomi Terai, Tadao Tsujio, Hiroshi Kono, Akinobu Suzuki, Hiromitsu Toyoda, Hiroaki Nakamura
P27	Balloon kyphoplasty versus conservative treatment for acute osteoporotic vertebral fractures with poor prognostic factors - An Propensity-Score-Matched Analysis Using Data from the Two Prospective Multicenter studies - Author: Masatoshi Hoshino co authors: Shinji Takahashi, Hiroyuki Yasuda, Hidetomi Terai, Tadao Tsujio, Hiroshi Kono, Akinobu Suzuki, Hiromitsu Toyoda, Hiroaki Nakamura
P28	A prospective randomized study of surgical treatment for degenerative spondylolisthesis Author: HIROYUKI INOSE co authors: Tsuyoshi Kato, Atsushi Okawa
P29	Does systemic administration of parathyroid hormone after non-instrumented spinal fusion surgery improve fusion rates and fusion mass in elderly patients compared to placebo in patients with degenerative lumbar spondylolisthesis? Author: Annette Bennedsgaard Jespersen co authors: Andreas Andresen, Michael Jakobsen, Mikkel Andersen, Leah Carreon
P30	Comparison of 3 Lumbopelvic Fixation Techniques in Long Fusion to the Sacrum in Osteoporotic Adult Spinal Deformity Patients (>60 Yrs): Clinical and Radiological Outcomes Author: Sinan Kahraman co authors: Emel Kaya, Isik Karalok, Cem Sever, Yunus Akman, Yesim Erol, Tunay Sanli, Meric Enercan, Azmi Hamzaoglu
P31	Prevention of Adjacent Segmental Disease after Fusion in degenerative spinal disorder: Correlation between segmental lumbar lordosis ratio and PI-LL mismatch for a Minimum 5-year Follow-up Author: Whoan jeang Kim co authors: Chang hyun Ma, Jae won Lee, Shann haw Chang, Kun young Park, Dae Geon Song
P32	Comparison of Modified Marmot operation and Lumbar Spinous Process Splitting Laminectomy in lumbar spinal stenosis - two years outcome- Author: Keisuke Masuda co authors: Hideki Shigematsu, Masato Tanaka, Yusuke Yamamoto, Yasuhito Tanaka
P33	Spino-Pelvic Sagittal Imbalance as a Risk Factor for Adjacent Segment Disease after Single-segment Posterior Lumbar Interbody Fusion Author: Tomiya Matsumoto co authors: Shinya Okuda, Yukitaka Nagamoto, Tsuyoshi Sugiura, Toshifumi Takahashi, Motoki Iwasakai
P34	Short-term lumbar plexus morbidity related to mini-open retroperitoneal transpsoas corpectomy. Author: Adrien May co authors: Ramona Guatta, Marc Gallay, Karl Schaller, Enrico Tessitore
P35	Microendoscopic decompression for lumbar spinal stenosis with degenerative spondylolisthesis: The influence of spondylolisthesis stage (disc height and static and dynamic translation) on clinical outcomes Author: Akihito Minamide co authors: Andrew K. Simpson, Munehito Yoshida, Yukihiro Nakagawa, Hiroshi Iwasaki, Shunji Tsutsui, Masanari Takami, Keiji Nagata, Yasutsugu Yukawa, Hiroshi Yamada
P36	Reliability of the Core Outcome Measures Index scores and a single-item measure of success in patients after surgery for central spinal stenosis. Author: Selina Nauer co authors: Hans-Jürgen Becker, François Porchet, Giusieppe Pichierri, Jakob M Burgstaller, Johann Steurer, Anne F Mannion
P37	In patients with lumbar stenosis: Are we able to predict limitations in activities of daily living and participation using morphological markers, depression and age as predictors? Author: Valentin Quack co authors: Andreas Müller, Verena Mainz, Maren Boecker, Matthias Geiger, Yasser El Mansy
P38	Temporary Axial Rotation Stabilization for Lumbar Disc Herniation Surgery with the ARO Spinal System: A Prospective Analysis of Safety and Clinical Efficacy Author: Kresten Wendell Rickers co authors: Julie Søndergård Holm, Haisheng Li, Bruce Robie, Cody Bünger
P39	A comparison between surgical and non-surgical chronic LBP groups shows that patients decision to undergo surgery were supported by functional measurements Author: Avihai Soroka co authors: Anat Lubetzky, Ely Ashkenazy, Yizhar Floman, Michael Milgram, Shay Shabat, Joseph Leitner, Youssef Masharawi
P40	To fuse or not to fuse: a survey among members of the German Spine Society (DWG) regarding lumbar degenerative spondylolisthesis and spinal stenosis. Author: Patrick Strube co authors: Michael Putzier, Jan Siewe, Sven Eicker, Marc Dreimann, Alexander Hoelzl, Timo Zippelius
P41	Slip reduction improves sagittal spinopelvic alignment in lumbar degenerative spondylolisthesis surgery Author: Takahiro Tsutsumimoto co authors: Mutsuki Yui, Hiromichi Misawa
P42	Three-Dimensional High-Resolution Image Analysis of the Segmental Reduction Effect Obtained with Lateral Lumbar Interbody Fusion for Lumbar Intervertebral Deformity Author: Hiroto Yamaguchi co authors: Hidetoshi Nojiri, Kei Miyagawa, Nozomu Inoue
QF36	The Prevalence of Incidental and Symptomatic Lumbar Synovial Facet Cysts Author: Stein Janssen co authors: Paul Ogink, Joseph Schwab
QF40	Effectiveness of an annular closure device in patients that meet RCT screening criteria vs. a real-world population: retrospective analysis of a prospective registry Author: Adisa Kursumovic co authors: Stefan Rath
QF41	Abdominal Trunk Muscle Weakness is Associated with Chronic Low Back Pain and Locomotive Syndrome Author: Norihiro Oku co authors: Satoshi Kato, Hideki Murakami, Satoru Demura, Noriaki Yokogawa, Takaki Shimizu, Ryo Kitagawa, Hiroyuki Tsuchiya
05. Trauma (whole spine)
53	Functional outcome of elderly patients treated for odontoid fracture. A multicenter study Author: Giorgio Lofrese co authors: Antonio Musio, Antonio Martucci, Roberto Donati, Federico De Iure, Francesco Cultrera, Pasquale De Bonis
P44	Cranio-caudal Biostructural Asymmetry of Vetebral Body : Why Vertebral Fractures that Involve the Superior End Plate Are Common Author: Tae-Keun Ahn co authors: Dong-Eun Shin
P45	Posterior only approach for corpectomy and 360° fixation in dorso-lumbar fractures: series presentation and technical notes. Author: Carla Daniela Anania co authors: Alessandro Ortolina, Maurizio Fornari, Francesco Costa
P46	Does the duration to the surgery affect the reduction of fractured vertebra in posterior short-segment fixation for thoracolumbar burst fractures? Author: Hiroyuki Aono co authors: Hidekazu Tobimatsu, Shota Takenaka, Masayuki Furuya, Yukitaka Nagamoto, Tomoya Yamashita, Motoki Iwasaki
P47	Factors impacting Mortality in Geriatric patients with Acute spinal injuries - A 12-year Asian study of 613 patients Author: Jean Chiew Ling co authors: Soon En Loong, Adriel Leong Zhi Jie, Jacob Oh Yoong Leong
P48	The efficacy of balloon kyphoplasty about correcting local kyphosis Author: Keiichiro Iida co authors: Kiyoshi Tarukado, Osamu Tono, Kazuhiro Kai, Katsumi Harimaya
P49	The Incidence of Pneumonia, Wound Infection and Sepsis (PWS) in Patients with Acute Traumatic Spinal Cord Injury (SCI) and its Association with Neurological recovery and Functional outcomes: Pooled analysis using the NACTN/STASCIS database Author: Fan Jiang co authors: Blessing Jaja, Jefferson Wilson, Michael Fehlings
P50	Surgical Treatment of Traumatic Vertebral Fractures using Carbon-Carbon Implants Author: Sergey Kolesov co authors: Dmitriy Kolbovskiy, Victor Rerikh, Arkadiy Vishnevskiy
P51	The Results of Conservative Treatment for Low-energy Vertebral Fracture in Non-fused Segments among Elderly Patients with Diffuse Idiopathic Skeletal Hyperostosis: A Retrospective Observational Study Author: Ichiro Okano co authors: Tetsuya Tachibana, Yuki Midorikawa, Yushi Hoshino, Takatoshi Sawada, Tomoaki Toyone, Katsunori Inagaki
P52	Complications in fluoroscopic controlled percutaneous iliosacral fixation Author: Christian Prangenberg
P53	Psychological aspects of depression and aggression in patients with consequences of spinal cord injury Author: Oxana Prudnikova co authors: Irina Nesterova
P54	RELIABILITY OF THE AO CLASSIFICATION OF THORACOLUMBAR FRACTURES COMPARED TO TLICS AND MAGERL Author: PEDRO SANTORO co authors: XAVIER SOLER, ALYNSON KULCHESKI, MARCEL BENATO, CARLOS MARQUES, GUSTAVO MEURER
P55	High prevalence of osteoporotic vertebral fracture in patients with proximal femoral fracture Author: Kazushi Takayama co authors: Teruo Kita, Ryo Sasaki, Hiroshi Taniwaki, Hideki Sakanaka, Yoshiki Yamano, Hiroaki Nakamura
P56	Dynamic C-spine x-ray in Trauma may modify the application of the AO Sub-axial cervical spine injury classification (SLIC) increasing Surgical Intervention Author: Ruben Thumbadoo co authors: Jan Herzog, Niv Bhamber, Jason Bernard, Timothy Bishop, Darren Lui
QF70	The radiological evaluation does not reflect the clinical outcome after surgery in unstable thoracolumbar and lumbar Type A fractures without neurological symptoms. A Comparative study of two cohorts treated by open or percutaneous surgery Author: Alejandro Lorente-Gómez co authors: Rafael Lorente-Moreno, Pablo Palacios-Cabezas, Bárbara Rosa, Carlos Barrios, Alexander Vaccaro
06. Tumor (whole spine)
20	The surgical margins and complete resection as predictors of local recurrence and survival on primary osteosarcoma of the spine: a systematic review Author: Bruno Pombo co authors: Rómulo Silva, Filomena Ferreira, Margarida Areias, Ana Pinheiro, Paulo Gonçalves
P57	The clinical utility of the spinal instability neoplastic score (SINS) in surgical management of spinal metastatic disease Author: Ayoub Dakson co authors: Erika Leck, Sean Christie
P58	Patterns of spinal metastatic disease and mechanical instability: a retrospective correlation with tumor histology Author: Ayoub Dakson
P59	SPINAL METASTATIC DISEASE; SURVIVAL ANALYSIS OF 146 PATIENTS AND EVALUATION OF FOUR DIFFERENT PREOPERATIVE SCORING SYSTEMS Author: Alihan Derincek co authors: Umit Ozgur Guler, Mustafa Uysal, Metin Ozalay
P60	Clinical significance of preoperative embolization for non-hypervascular metastatic spine tumors Author: Sang-Il Kim, Hyung-Ki Min co authors: Hyung-Ki Min, Young-Hoon Kim, Kee-Yong Ha, Hyung-Youl Park, In-soo Oh, Jun-Yeong Seo, Dong-Gune Chang
P61	Accuracy of Modified Tokuhashi score to prognose the survival of patients with spinal metastases Author: Ana Belén Pérez Romera co authors: Laura Noguera Alonso, Gemma Vila Canet, Juan Jose Velazquez Fragoso, Eduard Tornero Dacasa
P62	A histological examination of frozen autograft after spinal reconstruction using a liquid nitrogen-treated bone graft inside a cage Author: Kazuya Shinmura
P63	Clinical outcomes and significant factors in the survival rate after decompression surgery for non-ambulatory patients due to spinal metastases Author: Daisuke Tateiwa co authors: Kazuya Oshima
P64	Preoperative spinal tumor embolization and reconstruction using a frozen tumor-bearing vertebra in total en bloc spondylectomy can enhance antitumor immunity Author: Noritaka Yonezawa co authors: Hideki Murakami, Satoru Demura, Satoshi Kato, Katsuhito Yoshioka, Noriaki Yokogawa, Takaki Shimizu, Norihiro Oku, Ryo Kitagawa, Hiroyuki Tsuchiya
P65	Morphologic changes in the thoracolumbar giant cell tumor after denosumab therapy Author: Noritaka Yonezawa co authors: Hideki Murakami, Satoru Demura, Satoshi Kato, Katsuhito Yoshioka, Noriaki Yokogawa, Takaki Shimizu, Norihiro Oku, Ryo Kitagawa, Hiroyuki Tsuchiya
QF86	Perioperative complications and prognosis of total en bloc spondylectomy for spinal metastases in elderly patients Author: Noritaka Yonezawa co authors: Hideki Murakami, Satoru Demura, Satoshi Kato, Katsuhito Yoshioka, Noriaki Yokogawa, Takaki Shimizu, Norihiro Oku, Ryo Kitagawa, Hiroyuki Tsuchiya
QF87	Total en bloc spondylectomy for primary tumors of the lumbar spine Author: Takaki Shimizu co authors: Hideki Murakami, Satoru Demura, Satoshi Kato, Noriaki Yokogawa, Norihiro Oku, Ryo Kitagawa, Hiroyuki Tsuchiya
QF88	ADVERSE EVENTS PROFILE IN EN BLOC RESECTION AND SURGERY FOR PRIMARY BONE TUMOR Author: Shreya Srinivas co authors: Raphael Charest -Morin, Charles Fisher, Nicolas Dea
07. Infection (whole spine)
P67	Iodine-supported spinal instruments reduce surgical site infection after total en bloc spondylectomy for spinal tumors. Author: Ryo Kitagawa co authors: Hideki Murakami, Satoru Demura, Satoshi Kato, Noriaki Yokogawa, Takaki Shimizu, Norihiro Oku, Hiroyuki Tsuchiya
P68	Clinical outcomes after posterior cervical decompression and fusion surgery for destructive spondyloarthropathy in long-term hemodialysis patients Author: Kazuki Kusuyama
P69	Case reports about an overlooked cause of neck pain: calcific tendinitis of the longus colli Author: jung-kil lee co authors: seul-kee lee
P70	Fusion rate of posterior lumbar interbody fusion after prophylactic use of intra-wound vancomycin powder distribution. Author: Atsuki Sano co authors: Tsuyoshi Sato
QF22	Intra-wound application of vancomycin powder may increase Gr (-) wound infections: A case-control study Author: Emre Acaroglu co authors: Prashant Adhikari, Vugar Nabi Nabiyev, Selim Ayhan, Selcen Yuksel, Selcuk Palaoglu
QF23	Vancomycin powder mixed with autogenous bone graft and bone substitute may decrease the risk of deep surgical site infection in degenerative lumbar spines fusion surgery - An ambispective study Author: Wang Shih-Tien co authors: Po-Hsin Chou, Yu-Cheng Yao
QF25	Which Parameters other than and in addition to Neurological Status are Relevant on Surgical Decision Making in Spinal Tuberculosis? Author: Emre Acaroglu co authors: Prashant Adhikari, Selcen Yuksel, Selim Ayhan, Bigyan Bhandari, Binod Bijukachhe
08. Adult deformity (whole spine)
45	Scoliosis Corrective Surgery Impact on Health Related Quality of Life Author: Louis Boissiere co authors: Mitsuru Takemoto, Derek Cawley, David Kieser, Anouar Bourghli, Caglar Yilgor, Ahmet Alanay, Emre Acaroglu, Ferran Pelisse, Frank Kleinstuck; Francisco J. Perez-Grueso; Olivier Gille; Jean-Marc Vital, Ibrahim Obeid, ESSG
46	Risk Benefit Assessment of Major versus Minor Osteotomies for Flexible and Rigid Cervical Deformity Correction Author: Peter Passias co authors: Samantha Horn, Renaud Lafage, Virginie Lafage, Justin Smith, Breton Line, Shaleen Vira, Gregory Mundis, Bassel Diebo, Cole Bortz, Frank Segreto, Themistocles Protopsaltis, Han Jo Kim, Alan Daniels, Eric Klineberg, Douglas Burton, Robert Hart, Frank Schwab, Shay Bess, Christopher Shaffrey, Christopher Ames, International Spine Study Group
48	ROTEM-Guided Transfusion during Pedicle Subtraction Osteotomy for Adult Spinal Deformity: A Propensity Score-Matched Cohort Analysis Author: Thomas Buell co authors: Davis Taylor , Ching-Jen Chen, Jeffrey Mullin, Marcus Mazur, Chun-Po Yen, Mark Shaffrey, Justin Smith , Christopher Shaffrey, Bhiken Naik
P72	Can We Still Use a Single Value for Minimum Detectable Change and Minimum Clinically Important Difference of Health Related Quality of Life Parameters in Adult Spinal Deformity ? Author: Emre Acaroglu co authors: Selcen Yuksel, Vugar Nabi Nabiyev, Selim Ayhan, Prashant Adhikari, Ferran Pellise, Francisco JS Perez Grueso, Frank Kleinstueck, Ahmet Alanay, Ibrahim Obeid, Alba Vila Casademunt, European Spine Study Group (ESSG)
P73	Implication of three-dimensional hip orientation in the compensation mechanisms of ASD patients Author: Ayman Assi co authors: Wafa Skalli, Nour Khalil, Joeffroy Otayek, Aren Joe Bizdikian, Mohammad Karam, Chris Labaki, Joe Ghanimeh, Ziad Bakouny, Mario Mekhael, Rhéa Nacouzi, Eddy Saad, Virginie Lafage, Gaby Kreichati, Khalil Kharrat, Ismat Ghanem
P74	Previous spine surgery and the risk of failure following surgery for Adult Spinal Deformity in patients over 65 years of age Author: Tanvir Bari co authors: Benny Dahl, Martin Gehrchen
P75	Ability of the Global Alignment and Proportion score to Predict Mechanical Failure following Adult Spinal Deformity surgery – Validation in 149 Patients with Two-year Follow-up Author: Tanvir Bari co authors: Søren Ohrt-Nissen, Benny Dahl, Martin Gehrcehn
P76	Sagittal Malalignment Correction Impact on Health Related Quality of Life Author: Louis Boissiere co authors: Mitsuru Takemoto, Derek Cawley, David Kieser, Anouar Bourghli, Caglar Yilgor, Ahmet Alanay, Emre Acaroglu, Francisco Javier Perez Grueso, Ferran Pelisse, Frank Kleinstuck, Olivier Gille, Jean-Marc Vital, Ibrahim Obeid, ESSG
P77	Comparison Between Lateral+Posterior versus All-Posterior Surgery for Adult Degenerative Scoliosis Surgery: A Propensity-Matched Analysis Author: Marco Burkhard co authors: Brandon Carlson, Stephan Salzmann, Toshiyuki Shirahata, Tejbir Pannu, Jennifer Shue, Andrew Sama, Frank Cammisa, Federico Girardi, Han Jo Kim, Alexander Hughes
P78	Does correction of lumbar lordosis affect restoration of sagittal balance in 1 or 2 segment short lumbar fusion? Author: Kyu Jung Cho co authors: Yeop Na, Won Hwan Kwon
P79	Life style influences the postoperative outcomes after corrective surgery in adult spinal deformity: A comparison of rural- and urban- dwelling environment. Author: UNYONG CHOI co authors: KyungHyun Kim
P80	The Effect of Upper Instrumented Vertebra Level (T9 vs T10) on Radiologic and Functional Outcomes in the Surgical Treatment of Adult Deformity in Osteoporotic Patients with age >60 years Author: Meric Enercan co authors: Isik Karalok, Emel Kaya, Cem Sever, Yunus Emre Akman, Yesim Erol, Tunay Sanli, Sinan Kahraman, Selhan Karadereler, Azmi Hamzaoglu
P81	INFLUENCE OF THE LOWEST INSTRUMENTATED VERTEBRA (LIV) ON HEALTH RELATED QUALITY OF LIFE IN ADULT SPINE DEMFORMITY Author: Manuel Fernandez Gonzalez co authors: Domingo Lombao Iglesias, Julio Villar Perez, Jesus Betegón Nicolás, Jose Hernandez Encinas, Ana Lozano Muñoz, Andres Blanco Hortas, Ana Estany Gestal, Marta Esteban Blanco
P82	Computed tomography analysis of L5-S1 fusion in adult spinal deformity. - Comparison of whether spinopelvic fixtion, ALIF vs PLIF, and cage design Author: Jung-Hee Lee co authors: Tae-Jin Kim, Ki-Young Lee, Won-Ju Shin, Dong-Gune Chang
P83	Body image perception in adult spinal deformity patients. Which are the drivers? Author: Antonia Matamalas co authors: Juan Bago, Francisco J Sánchez Pérez-Grueso, Ibrahim Obeid, Frank Kleinstuck, Emre Acaroglu, Ahmet Alanay, Ferran Pellise, ESSG European Spine Study Group
P84	Two Different Types of Stooping Posture after Sacropelvic Fixation for Degenerative Sagittal Imbalance Author: Jong-Bin Kim, Hyung-Ki Min co authors: Hyung-Ki Min, Kee-Yong Ha, Young-Hoon Kim, Sang-Il Kim, Hyung-Youl Park
P85	The Spontaneous Correction of Lumbar Curve after Limb Lengthening in Secondary Scoliosis Patients with Severe Pelvic Inclination Author: Norihiro Oku co authors: Satoru Demura, Hideki Murakami, Satoshi Kato, Noriaki Yokogawa, Takaki Shimizu, Ryo Kitagawa, Hiroyuki Tsuchiya
P87	Radiographic Classification of Severe Spinal Deformity Author: Jingming Xie co authors: Yingsong Wang , Ying Zhang , Zhi Zhao , Tao Li , Ni Bi , Zhiyue Shi
P88	Can scoliosis associated with syringomyelia (SM) be corrected by single-stage posterior surgery safely? Author: Jingming Xie co authors: Yingsong Wang , Jingming Xie , Ying Zhang , Ni Bi , Tao Li , Zhiyue Shi
P89	Using a new syrinx tension classification to guide single-stage posterior correction of scoliosis associated with syringomyelia Author: Zhi Zhao co authors: Jingming Xie , Yingsong Wang , Tao Li , Ni Bi , Zhiyue Shi , Ying Zhang
QF2	Gait Assessment is Important for Postoperative Evaluation of Corrective Fusion for Adult Spinal Deformity: A 2-year follow-up Author: Hideyuki Arima co authors: Yu Yamato, Tomohiko Hasegawa, Daisuke Togawa, Go Yoshida, Tomohiro Banno, Shin Oe, Yuki Mihara, Hiroki Ushirozako, Yukihiro Matsuyama
QF5	The strategy of treatment sever adult spinal deformity (sASD) with respiratory failure Author: Zhiyue Shi co authors: Jingming Xie , Yingsong Wang , Ying Zhang , Ni Bi , Tao Li , Zhi Zhao
QF7	, Frank S. Kleinstueck, Ibrahim Obeid, Virginie Lafage, Frank Schwab, Christopher I, Shaffrey, Douglas C. Burton, Shay Bess, Christopher P. Ames, ESSG European Spine Study Group, ISSG International Sine Study Group Author: Miquel Serra-Burriel co authors: Michael P Kelly, Justin S Smith, Jeffrey L Gum, Ferran Pellisé, Ahmet Alanay, Emre R Acaroglu, Francisco J Sánchez Pérez-Grueso
QF8	Successful Creation of Deployable Preoperative Predictive Risk Calculators for Individual Patient Event-Free Survivorship for Major Complications, Hospital Readmissions and Unplanned Surgery Following Adult Spinal Deformity (ASD) Surgery Author: Sleiman Haddad co authors: Miquel Serra-Burriel, Alba Vila-Casademunt, Francisco Javier Sánchez Pérez-Grueso, Shay Bess, Emre R Acaroglu, Justin S Smith, Frank S Kleinstueck, Virginie Lafage, Ibrahim Obeid, Frank Schwab, Christopher I. Shaffrey, Ahmet Alanay, Christopher P. Ames, Ferran Pellisé, International Spine Study Group, ESSG European Spine Study Group
QF10	Radiographic Outcome and Complications after Single-level Lumbar Extended Pedicle Subtraction Osteotomy for Fixed Global Sagittal Malalignment: A Retrospective Analysis of 55 Adult Spinal Deformity Patients with Minimum 2-Year Follow-up Author: Thomas Buell co authors: James Nguyen , Marcus Mazur, Jeffrey Mullin, Juanita Garces , Davis Taylor , Chun-Po Yen, Mark Shaffrey, Christopher Shaffrey , Justin Smith
QF50	Minimally invasive cantilever correction technique for adult spinal deformity using reduction percutaneous pedicle screw system -technical notes- Author: Sei Terayama co authors: Yasuo Ohori, Azusa Sudo
QF51	Development of Preoperative Computer Models which Accurately Predict Answers to all Individual Questions on SRS-22 at 2 year follow up: A Step towards Individualized Medicine Author: Miquel Serra-Burriel co authors: Michael P Kelly , Justin S Smith, Jeffrey L Gum , Ferran Pellisé , Ahmet Alanay , Emre R Acaroglu , Francisco Javier Sánchez Pérez-Grueso , Frank S Kleinstueck, Ibrahim Obeid, Virginie Lafage, Frank J. Schwab, Christopher I. Shaffrey, Douglas C. Burton, Shay Bess, Christopher P. Ames, ESSG European Spine Study Group, ISSG International Spine Study Group
09. Growing Spine
33	The 75 Degrees Threshold in Cerebral Palsy with Scoliosis in Only Posterior Surgery with Pedicle Screws until when we can just observe scoliosis progression in CP patients with GMFCS IV and V? Author: Min Seok Kang co authors: Tae Hoon Kim, In Seok Son, Suk Ha Lee, Seung Woo Suh, Jin Ho Hwang
36	LESS IS MORE: SIGNFICANT CORONAL CORRECTION OF AIS DEFORMITY PREDICTS THORACIC HYPOKYPHOSIS Author: Oded Hershkovich co authors: Areena Dsouza, Paul Rushton , Edwared Bayley, Michael Grevitt
P91	Abolition of Sagittal T7-T10 Dynamics During Forced Ventilation in Lenke 1A AIS Patients as Compared to Healthy Subjects. An Underlying Factor of the Respiratory Limitation in AIS Author: Carlos Barrios co authors: Jesús Burgos, Luis Miguel Antón-Rodrigálvarez, Eduardo Hevia
P92	Distraction-to-stall ensures spinal growth in Magnetically Controlled Growing Rods Author: Benny Dahl co authors: Casper Dragsted, Søren Ohrt-Nissen, Thomas Andersen, Martin Gehrchen
P94	Staged Magec Rods Insertion to Manage Early Onset Scoliosis Author: Alejandro Peiro-Garcia co authors: Jonathan Bourget-Murray, Isadora Suarez-Lorenzo, David Parsons, Fabio Ferri-de-Barros
P95	Early complications in VEPTR and Magnetically Controlled Growing Rods to Manage Early Onset Scoliosis Author: Alejandro Peiro-Garcia co authors: Jonathan Bourget-Murray, Isadora Suarez-Lorenzo, Fabio Ferri-de-Barros, Parsons David
P96	Management of large and rigid curves in Adolescent Idiopathic Scoliosis with 3 rods: an alternative technique Author: Alejandro Peiro-Garcia co authors: Garielle Brown, Khaled Fawaz, David Parsons, Fabio Ferri-de-Barros
QF15	Spinal growth tethering around the apical vertebrae leads to asymmetric growth as a mechanism of spinal deformity correction in kyphosis and scoliosis Author: Alaaeldin Ahmad co authors: Loai Aker, Ahmad Ghanem
10. New Techniques
6	Pedicle Screw placement With Augmented Reality Surgical Navigation Using Intraoperative 3D Imaging Author: Adrian Elmi-Terander co authors: Erik Edstrom, Kyrre Pedersen, Halldor Skulason, Gustav Burstrom, Anastasios Charalampidis, Frederik Stahl, Michael Fagerlund, Michael Soderman, Paul Gerdhem
P98	Analysis of the efficacy of a surgical tactics based on a differential clinical instrumental algorithm in patients with symptomatic tandem-stenosis of the cervical and lumbar spine: multicenter study Author: Vadim Byvaltsev co authors: Andrei Kalinin, Yurii Pestryakov, Valerii Shepelev, Ivan Stepanov
P100	Pre-operative 3D CT planning for cortical bone trajectory screws Author: Fabio Cofano co authors: Marco Ajello, Giulia Pilloni, Federica Penner, Salvatore Petrone, Paolo Pacca, Diego Garbossa, Francesco Zenga, Alessandro Ducati, Nicola Marengo
P101	A New Posterior Dynamic Device for Correction of Moderate Adolescent Idiopathic Scoliosis: 27 Cases with Over Two Years of Follow-up Author: Yizhar Floman co authors: Stefan Gavriliu, Tomasz Potaczek, Daniel Zarzycki, Biren Desai, Nick Sekouris, Michael Millgram, Ron El Hawary, Baron Lonner, Randal Betz
P102	Pedicle Screw Insertion: Novel Method of 3-Dimensional Trajectory for Free-Hand Technique Using Superior Articular Process as a Landmark in Thoracic Vertebrae Author: Tae Hoon Kim co authors: Min Seok Kang, In Seok Son, Suk Ha Lee, Seung Woo Suh, Jin Ho Hwang
P103	Sequential Reduction in type III Hangman fracture- A Novel C3 body sparing technique Author: vijayasaradhi Mudumba co authors: Rajesh Alugolu, Bhavaniprasad G
P104	Is Redo Vertebroplasty an Effective Treatment on the Same Vertebra? Author: Sang-Min Park co authors: Bong-Soon Chang, Ho-Joong Kim, Jin S. Yeom
P105	Frozen recapping laminoplasty: a new technic to treat spinal tumor Author: Noritaka Yonezawa co authors: Hideki Murakami, Satoru Demura, Satoshi Kato, Katsuhito Yoshioka, Hiroyuki Hayashi, Noriaki Yokogawa, Takaki Shimizu, Norihiro Oku, Hiroyuki Tsuchiya
QF48	Anterior Vertebral Body Tethering for the Treatment of Idiopathic Scoliosis: Feasibility, Outcomes, and Complications Author: Firoz Miyanji co authors: Luigi Nasto, Fahimeh Karimi, Eva Habib, Andrea Simmonds
11. Minimal Invasive Spine Surgery (MISS)
39	Comparative study of minimally invasive percutaneous pedicle screw fixation and open surgery in the treatment of thoracolumbar fractures Author: Yongyuan Zhang co authors: Xiji Wang, Dingjun Hao, Honghui Sun
41	Does L4/5 Pose Additional Neurologic Risk in Lateral Lumbar Interbody Fusion? Author: Toshiyuki Shirahata co authors: Stephan Salzmann, Oliver Sax, Jingyan Yang, Jennifer Shue, Andrew Sama, Frank Cammisa, Federico Girardi, Alexander Hughes
P108	Minimally invasive fusion technologies in the surgical treatment of the patients with degenerative stenoses of the lumbar spinal canal: long-term results Author: Vadim Byvaltsev co authors: Andrei Kalinin, Evgenii Belykh, Ivan Stepanov
P109	Radiographic risk factors for unfavourable outcomes after percutaneous interlaminar endoscopic lumbar discectomy at L4-5 level Author: Jongchul Chung
P110	Evaluation of the ideal trajectory of CBT screws by insertional torque Author: Sho Fujiwara co authors: Yu-ichirou Ohnishi, Takashi Moriwaki, Asaya Nishi, Hirofumi Sugano, Haruhiko Kishima
P111	Transforaminal percutaneous endoscopic discectomy for foraminal upward migration at upper lumbar disc herniation: clinical and radiological outcome, and technical consideration Author: Dong Chan Lee co authors: Dong Hwa Heo, Choon Keun Park
P112	A Study of Usefulness of Lateral Lumbar Interbody Fusion (LLIF) for Elderly Patients Author: Takao Nakajima co authors: Kim Yong, Yoshihiro Sudo, Toshihiko Ito, Masabumi Miyamoto
P113	VERTEBROPLASTY IN THE TREATMENT OF OSTEOPOROTIC FRACTURES: A RETROSPECTIVE STUDY. Author: Viviana Franca Paliotta
P114	Learning curve of lumbar decompressive laminectomy in biportal endoscopic spinal surgery (BESS) using the cumulative summation test for learning curve (LC-CUSUM) Author: Sang-Min Park co authors: Jinsuk Seo, Ho-Joong Kim, Jin S. Yeom
P115	Percutaneous pedicle screw fixation combined with percutaneous vertebroplasty for the treatment of thoracolumbar burst fracture in elderly patients Author: Tomohiro Takahata
P116	Minimally Invasive Lumbar Corpectomy for Traumatic Fractures. Author: GABRIEL TENDER co authors: Erin Fannin, Lindsay Lasseigne
P117	Midterm operative results of midline lumbar interbody fusion using cortical bone trajectory screws for lumbar degenerative spondylolisthesis Author: Takahiro Tsutsumimoto co authors: Mutsuki Yui, Hiromichi Misawa
P118	Efficacy of the supine extension lateral radiographs on vertebroplasty or balloon kyphoplasty in severely collapsed osteoporotic vertebral compression fracture Author: JAE JUN YANG co authors: JAE HYUN KIM, SANG WOO KIM
QF55	MRI change after Percutaneous Endoscopic Lumbar Foraminoplasty for Lumbar Foraminal Stenosis Author: Jongchul Chung co authors: Changbong Kong, Woosung Sun, Byongwook Hwang, Hyungdong Kim
QF58	Minimally Invasive Lateral Lumbar Interbody Fusion and Posterior Instrumentation for Clinical Adjacent Segment Pathology: A Retrospective Matched Cohort Study with Only Posterior Instrumentation Author: Hyung-Ki Min co authors: Kee-Yong Ha, Young-Hoon Kim, Sang-Il Kim, Hyung-Youl Park, In-Soo Oh, Jun-Yeong Seo, Dong-Gune Chang
12. Diagnostics and Imaging
56	In Cervical Spondylotic Myelopathy, in the evaluation of C2-7angle, spinal canal stenosis is underestimated when the difference between MRI and DCTM extension position or XP extension position is larger than 17degrees Author: Atsushi Tagami co authors: Makoto Osaki, Keiichi Tsuda, Shinji Adachi, Shuta Yamada, Chieko Noguchi
61	The correlation analysis of radiologic parameters of pelvis with the pelvic Incidence Author: Chang-Hoon Jeon co authors: Nam-Su Chung, Han-Dong Lee
P119	Evaluation of collateral flow for vertebrobasilar region with digital subtraction angiography: anatomical knowledge for cervical spine surgery Author: Takeshi Aoyama co authors: Naoshi Obara
P120	Relationship Between Rib Hump and Three-dimensional Spinal Deformity in AIS Author: Ayman Assi co authors: Claudio Vergari, Raphael Pietton, Mohammad Karam, Raphael Vialle, Wafa Skalli, Khalil Kharrat, Ismat Ghanem
P121	Inter- and intra-rater reproducibility of the Roussouly Classification System in patients with Adult Spinal Deformity Author: Tanvir Bari co authors: Dennis Winge Hallager, Niklas Tøndevold, Ture Karbo, Lars Valentin Hansen, Benny Dahl, Martin Gehrchen
P122	Big Data strategy in the study of structural changes in lumbar spine pathology. MIDAS project (Massive Image Data Anatomy of the Spine) Author: Julio Domenech co authors: Jhon Sáenz-Gamboa, Antonio Alonso-Manjarres, Jose Manuel Saborit-Torres, Joaquim Montell, Lourdes Peñalver, Alejandro Alvarez, Maria De la Iglesia-Vaya
P123	Usefulness of oblique lumbar magnetic resonance imaging for nerve root anomalies and extraforaminal entrapment lesions Author: Dong Chan Lee co authors: Dong Hwa Heo, Choon Keun Park
P124	Adult Spinal Deformity Surgical Decision-Making Score: Development and Internal Validation Author: Ibrahim Obeid co authors: Takashi Fujishiro, Louis Boissière, Olivier Gille, Jean-Marc Vital, Ferran Pellisé, Francisco Javier Sanchez Pérez-Grueso, Frank Kleinstück, Emre Acaroglu, Ahmet Alanay
P125	Differences between 2D and 3D parameters are strongly depending on the structural deformity in AIS Author: Mareille POST co authors: Stephane VERDUN, Pierre ROUSSOULY, Kariman ABELIN-GENEVOIS
P126	New Computed radiography Processing Condition for whole spine X-ray Author: Takeshi Sasagawa
P127	Analysis of the fracture patterns in imaging studies and risk factors for sacral insufficiency fracture: Are the sacral fractures seen in lumbosacral fusion insufficiency fractures or stress fractures? Author: Jun-Yeong Seo co authors: Kee-Yong Ha, Young-Hoon Kim, Sang-Il Kim
P128	Intraoperative spinal cord monitoring with Tce-MEP for cervical laminoplasty. Author: Nobuhiro Tanaka
P129	Evaluation of brain activity in patients with chronic low back pain using a noncontact brain activity detection sensor Author: Shinji Tanishima co authors: Atsushi Tanida, Tokumitsu Mihara, Chikako Takeda, Shinya Ogawa, Hideki Nagashima
P130	The phenomenon of temporary increase of herniated disc on dynamic MRI control. Author: Alexander Tkachev co authors: Daniil Archakov, Alina Smirnova
P131	Is there a correlation between radiographic and photographic parameters in patients operated for idiopathic scoliosis with Lenke 1A curves? Author: Norberto Ventura co authors: Ana Ey, David Noriega, Ariana Palacio
P132	Differential diagnosis between vertebral fractures caused by metastasis and osteoporosis using sagittal T1-weighted magnetic resonance imaging Author: Yusuke Yamamoto co authors: Eiichiro Iwata, Hideki Shigematsu, Hiroshi Nakajima, Masato Tanaka, Akinori Okuda, Keisuke Masuda, Yasuhito Tanaka
P133	The relationship between planar pelvic alignment (PPA) and morphological features of severe spinal deformity (SSD) Author: Ying Zhang co authors: Jingming Xie , Yingsong Wang , Zhiyue Shi , Tao Li , Zhi Zhao , Ni Bi
QF73	3D Validation of the new sagittal classification for AIS Author: Mareille Post co authors: Stephane Verdun, Pierre Roussouly, Kariman Abelin-Genevois
13. Patient Safety
P134	Medical Complications and Mortality in Octogenarians Undergoing Elective Spinal Fusion Surgeries Author: Sigita Burneikiene co authors: Alan Villavicencio, E. Lee Nelson, Roshan Kantha, Kara Beasley, Sharad Rajpal
P135	Accuracy of Thoracolumbar Pedicle Screw Insertion Based on Routine Use of Intraoperative Imaging and Navigation Author: Pirateb Paramasivam Meenakshi Sundaram co authors: Yoong Leong, Jacob Oh, Colum Nolan, Mark Tan, Chun Sing Yu, Ji Min Ling
P137	Comparison of combined topical and intravenous tranexamic acid vs single intravenous use of tranexamic acid in pediatric scoliosis surgery. Author: Karen Weissmann co authors: Francoise Descazeaux, Carlos Huaiquilaf, Sebastian Lopez, Diego Alvarez
14. Complications
70	The shoulder balance rebuilding in severe thoracic scoliosis with a lower shoulder on the concave side: experience from a single institution involving 84 PVCR patients over 13 years Author: Tao Li co authors: Yingsong Wang , Jingming Xie , Ying Zhang , Zhi Zhao, Zhiyue Shi , Ni Bi
P138	Sagittal Vertical Axis: A poor instrument for measuring inappropriate spinal correction Author: Derek T Cawley co authors: Daniel Larrieu, Takashi Fujishiro, Louis Bossiere, Emre Acaroglu, Ahmet Alanay, Ferran Pellisé, Francisco Sánchez Pérez-Grueso, Ibrahim Obeid, European Spinal Study Group
P139	IMPACT OF COMPLICATIONS ON HEALTH RELATED QUALITY OF LIFE IN ADULT SPINE DEFORMITY SURGERY Author: Manuel Fernandez Gonzalez co authors: Domingo Lombao Iglesias, Julio Villar Pérez, Jesus Betegón Nicolás, Jose Hernandez Encinas, Ana Lozano Muñoz, Andres Blanco Hortas, Ana Estany Gestal, Marta Esteban Blanco
P140	Shirahata, Ichiro Okano, Hiroaki Omata, Yusuke Oshita, Hiroshi Maruyama Author: Yushi Hoshino co authors: Yoshifumi Kudo, Toshiyuki
P141	Prevalence of Postoperative Nausea and Vomiting(PONV) in Patients Undergoing Spinal Surgery Under General Anesthesia Author: Yushi Hoshino co authors: Atsushi Sato, Yoshifumi Kudo, Hiroaki Omata , Ichiro Okano, Hiroshi Maruyama, Akira Matsuoka, Yusuke Dodo, Tomoaki Toyone, Toshiyuki Shirahata
P142	Long-term outcomes of donor site morbidity for spinal surgery: At least 8 years’ follow-up Author: Chang-Hoon Jeon co authors: Nam-Su Chung, Han-Dong Lee
P143	The treatment of the SSI in severe spinal deformity received PVCR: the hard choices of removing implants Author: Tao Li co authors: Yingsong Wang , Jingming Xie , Ni Bi , Zhiyue Shi , Zhi Zhao , Ying Zhang
P145	The Association of Teardrop Psoas Anatomy on Axial MRI View and Postoperative Psoas Muscle Weakness and Dysfunction During Oblique Lateral Interbody Fusion Author: Mohd Hisam Muhamad Ariffin co authors: Azmi Baharudin, Kamalnizat Ibrahim, Nidzwani Mahdi, Azmi Tamil
P146	Prognostic factors associated with unplanned reoperations after spine surgery Author: Alejandro Reyes Sanchez co authors: Baron Zárate Kalfópulos, Carla Lisette García Ramos, Luis Lopez Ulloa, Fernando Reyes Tarrago
P147	The impact of dural tear on seemingly unrelated perioperative complications in surgical treatment of lumbar degenerative diseases Author: Shota Takenaka co authors: Takahiro Makino, Yusuke Sakai, Takashi Kaito, Osaka Spine & Spinal Cord Research Group OSSG
P148	Does diabetes mellitus(DM) impact the surgical outcomes of the patients with lumbar spinal canal stenosis? Author: Akito Yabu co authors: Akira Matsumura, Takashi Namikawa, Minori Kato, Hiroaki Nakamura
P149	Postoperative loss of lumbar lordosis affects clinical outcomes in patients with pseudoarthrosis after PLIF using cortical bone trajectory screw fixation. Author: Akira Yamagishi co authors: Hironobu Sakaura, Atsunori Ohnishi, Tetsuo Ohwada
QF49	Does the use of robotic guidance and navigation reduce the incidence of pedicle screw revisions? Author: Victor E. Staartjes co authors: Anita M. Klukowska, Marc L. Schröder
15. Nonoperative treatment
P150	DISCHARGED WITH A FEELING OF BEING DISMISSED: A QUALITATIVE STUDY Author: Kathrin Braeuninger-Weimer co authors: Naffis Anjarwalla, Tamar Pincus
P151	The rate and risk of curve progression in moderate AIS following skeletal maturity Author: Firoz Miyanji co authors: Tracey Bastrom, Amer Samdani, Suken Shah, Baron Lonner, Randal Betz, Peter Newton
P152	The effectiveness of duloxetine for treatment of intractable pain due to spinal degenerative disease Author: Eihiro Murota co authors: Ken Nagahama, Motoyuki Shundo, Itaru Oda, Shigeki Oshima, Hirohito Takeuchi, Masaru Suzuki, Masanori Fujiya
P153	Effects of duloxetine hydrochloride on chronic lower back pain Author: Yusuke Oshita co authors: Hiroaki Omata, Yoshifumi Kudo, Hiroshi Maruyama, Takayuki Nakajima, Koji Ishikawa, Akira Matsuoka, Yushi Hoshino, Koji Kanzaki, Tomoaki Toyone
P154	No increase in 6-week treatment effect of Mechanical Diagnosis and Therapy with the use of the LUMOback in people with non-acute non-specific low back pain and a directional preference of extension: a randomized controlled trial Author: Hiroshi Takasaki co authors: Satoru Aoki, Stephen May
P155	Adolescent idiopathic bracing success rates influenced by time in brace: Comparative effectiveness analysis of the BrAIST and ISICO cohorts Author: Fabio Zaina co authors: Sabrina Donzelli, Lori A. Dolan, Stuart L. Weinstein, Francesca Di Felice, Stefano Negrini
QF31	Prospective comparison of the therapeutic value of periradicular and facet joint infiltrations Author: Chris Lindemann co authors: Felix Hochberger, Timo Zippelius, Alexander Hölzl, Patrick Strube
QF33	Gender- and age-specific analgesia for early postoperative pain management after lumbar decompressive surgery: A randomized clinical trial Author: In-Soo Oh co authors: Kee-Yong Ha, Young-Yul Kim, Sang-Il Kim
QF34	The relationship between compensatory mechanisms of residual kyphotic deformity after osteoporotic vertebral fractures and health-related quality of life Author: Keishi Maruo co authors: Toshiya Tachibana, Fumihiro Arizumi, Kazuki Kushuyama, Kishima Kazuya, Shinichi Yoshiya
16. Epidemiology
78	Patients Have Greater Expectations Than Surgeons Have for Improvement in Psychological Well-Being from Lumbar Surgery Author: Carol A Mancuso co authors: Roland Duculan, Frank P Cammisa, Andrew A Sama, Alexander P Hughes, Darren R Lebl, Federico P Girardi
P156	Impact of Psychosocial and Clinical Variables on Fear-Avoidance of Physical Activity after Lumbar Surgery Author: Carol A Mancuso co authors: Roland Duculan, Manuela C Rigaud, Alex M Fong, Frank P Cammisa, Andrew A Sama, Alexander P Hughes, Darren R Lebl, Russel C Huang, Harvinder S Sandhu, Federico P. Girardi
P157	The impact of low back pain on quality of life in patients with rheumatoid arthritis Author: Kazuto MIURA co authors: Osamu MORITA, Toru HIRANO, Kei WATANABE, Naoto ENDO
P158	Patient Factors Affecting Emergency Department Utilization and Hospital Readmission Rates after Primary Anterior Cervical Discectomy and Fusion: A review of 41,813 cases Author: Evan Sheha co authors: Stephan Salzmann, Sariah Khormaee, Jingyan Yang, Huong Do, Federico Girardi, Frank Cammisa, Andrew Sama, Stephen Lyman, Alexander Hughes
P159	Quantification of risk factors for cervical ossification of the posterior longitudinal ligament in Korean populations: A nationwide population-based matched cohort study Author: Jaeyong Shin co authors: Ja Young Choi, Hyo Jeong Lee, Yoon Jeong Jeong
P160	Epidemiology of shore-break related spinal injuries along beaches of Gironde, southwest France. Author: Eric Tellier co authors: Bruno Simonnet, Louis-Rachid Salmi
P161	Relationship between pre-sarcopenia and related factors in pre-operative patients with lumbar spinal stenosis Author: Takashi Wada co authors: Shinji Tanishima, Mari Osaki, Hideki Nagashima, Hiroshi Hagino
QF74	The Influence of obesity on low back pain in elderly individuals Considerations based on medical examination of local residents: the GAINA study Author: Shinji Tanishima co authors: Hiroshi Hagino, Hiromi Matsumoto, Hideki Nagashima
17. Medical economics
1	Quality, Safety, and Value of Innovation in Scoliosis Surgery: Intraoperative Skull Femoral Traction and Navigated Sequential Drilling Author: Alejandro Peiro-Garcia co authors: Jonathan Bourget-Murray, Garielle Brown, Madalene Earp, David Parsons, Fabio Ferri-de-Barros
P162	ECONOMIC IMPACT OF THE FAST-TRACK PROTOCOL IN NON-TRAUMATIC INSTRUMENTED LUMBAR SURGERY. COST-BENEFIT STUDY Author: Antonio Damián Jover Mendiola co authors: Ireneusz Francuz
P163	Lumbar disc herniation surgery with microdiscectomy plus interspinous stabilization: good clinical results, but failure to lower the incidence of re-operation. Author: Manuel Segura-Trepichio co authors: Jose Manuel Montoza-Nuñez, Jose Antonio Martin-Benlloch, Andreu Nolasco

show all postersresults: 198

01. Basic science: Biology

02. Basic science: Biomechanics

03. Degenerative cervical

04. Degenerative thoracolumbar

05. Trauma (whole spine)

06. Tumor (whole spine)

07. Infection (whole spine)

08. Adult deformity (whole spine)

09. Growing Spine

10. New Techniques

11. Minimal Invasive Spine Surgery (MISS)

12. Diagnostics and Imaging

13. Patient Safety

14. Complications

15. Nonoperative treatment

16. Epidemiology

17. Medical economics

show all posters
results: 198