e-posters Helsinki 2019

01. Basic science: Biology
P1	Attenuation of intervertebral disc degeneration and osteophyte formation via inhibition of Hedgehog signaling Author: Hokuto Fukuda co authors: Eiichiro Nakamura, Ken Sabanai, Manabu Tsukamoto, Yasuaki Okada, Shinichiro Takada, Akinori Sakai
P2	Clinical trial for spinal cord injury with neural lineage stem cell Author: Keung-Nyun Kim
QF11	POC5 variant leads to cellular alterations and retinal anomalies in Adolescent Idiopathic Scoliosis Author: Florina Moldovan co authors: AMANI Hassan, Stefan Parent, Shunmoogum A. Patten
02. Basic science: Biomechanics
9	The stabilizing effect of the rib cage depends on spinal length, segmental level, and anterior rib cage integrity: An in vitro study Author: Christian Liebsch co authors: Hans-Joachim Wilke
P3	Bridging the gap between static and dynamic: how global postural, spino-pelvic and hip alignment parameters perform during walking? Author: Ayman Assi co authors: Ziad Bakouny, Fares Yared, Joeffroy Otayek, Aren Joe Bizdikian, Ismat Ghanem, Gaby Kreichati, Helene Pillet, Xavier Bonnet, Virginie Lafage, Wafa Skalli
P4	Comparison of cervical sagittal parameters among patients with neck pain and healthy controls Author: morteza faghihjouybari co authors: mohsen rostami, ramin kordi
P5	Sacropelvic fixation: a biomechanical comparison between different techniques accounting for micromotion at the bone-implant interface Author: Fabio Galbusera co authors: Gloria Casaroli, Matteo Panico, Ruchi Chande, Derek Lindsey, Scott Yerby, Ali Mesiwala, Marco Brayda-Bruno
P6	Three-dimensional full body postural alignment in subjects with AIS with different types of curvature Author: Nour Khalil co authors: Mohammad Karam, Ayman Assi, Wafa Skalli, Renee Maria Saliby, Elma Ayoub, Maria Saade, Celine Chaaya, Ali Rteil, Marc Fakhoury, Gaby Kreichati, Khalil Kharrat, Ismat Ghanem
P7	Does overstuffing a total disc replacement device limit cervical range of motion? Author: Kee Kim co authors: Tejas Karnati, Vijay Permeswaran, Amy Claeson, Anup Gandhi
P8	Development of a Biomechanical Test Setup for Pedicle Screw Instrumentations regarding the Complex Iliosacral Joint Loading Author: Sven Krüger1 co authors: Jens Beger1, Bernd Wiedenhöfer2, Christoph Schilling1
P9	Inconsistency within scoliosis surgeons treating the same AIS-cases. An evaluation of a multi-centre-survey Author: Benedikt Schlager co authors: Michael Ruf, Michael Akbar, Frank Niemeyer, Fabio Galbusera, Hans-Joachim Wilke, Bernd Wiedenhöfer
P10	Spinal alignment during motion and its relation to balance control in adult spinal deformity Author: Pieter Severijns co authors: Thomas Overbergh, Kaat Desloovere, Lieven Moke, Lennart Scheys
P11	Human Recombinant Erythropoietin Improves Motor function in Chronic Cervical Compression Myelopathy Rat Model Author: Takahiro Tanaka co authors: Hidetoshi Murata
P12	Early detection of progressive idiopathic scoliosis through the quasi-automatic 3D reconstruction of the spine from biplanar radiography Author: Claudio Vergari co authors: Laurent Gajny, Eric Ebermeyer, Kariman Abelin-Genevois, Raphael Vialle, Ayman Assi, Ismat Ghanem, Jean Dubousset, Wafa Skalli
P13	Spine slenderness in adolescent idiopathic scoliosis Author: Claudio Vergari co authors: Mohammad Karam, Raphael Pietton, Raphael Vialle, Ismat Ghanem, Wafa Skalli, Ayman Assi
P14	Hydrodynamic Change of Cerebrospinal Fluid Flow Works for Scoliosis Formation in A Kaolin-induced Rabbit Model Author: Zhi Zhao co authors: Yingsong Wang , Jingming Xie , Zhiyue Shi , Qiuan Lu , Ying Zhang , Ni Bi , Quan Li , Tao Li
QF6	Sequential Changes in Lumbar Lordosis and Segmental Stability Following Lateral Interbody Cage Placement, Smith-Peterson Osteotomy, and Anterior Longitudinal Ligament Release Author: Zachary Child co authors: Richard Hurley, Jr, Amy Claeson, Vijay Permeswaran, Jason Inzana, Anup Gandhi
QF7	Influences of cervical structures on the kinematic behavior of the cervical spine Author: René Jonas co authors: Robert Demmelmaier, Hans-Joachim Wilke
QF14	From static to dynamic: sagittal alignment and compensation strategies during walking in adult spinal deformity Author: Pieter Severijns co authors: Thomas Overbergh, Kaat Desloovere, Lennart Scheys, Lieven Moke
03. Craniocervical Junction (all pathologies)
P15	UPPER CERVICAL FUSION SURGERY FOR OS ODONTOIDEUM WITH CHONDRODYSPLASIA PUNCTATA IN PEDIATRIC PATIENTS INCLUDING INFANTS Author: Yujiro Takeshita co authors: Kota Miyoshi
P16	The position of the vertebral artery V1 segment relative to the C7 vertebra Author: Chikara Ushiku co authors: Shigeru Soshi, Takeshi Inoue, Akira Shinohara, Kei Shinohara, Anri Ohkawa, Takayoshi Kajiwara, Yoshiharu Nakajima, Shunsuke Katsumi, Keishi Marumo
QF103	A Study of Atlantoaxial Rotatory Fixation Treatment Author: Yusuke Oshita co authors: Kazuyuki Segami, Hiroshi Maruyama, Akira Matsuoka, Ichiro Okano, Yoshifumi Kudo, Toshiyuki Shirahata, Yushi Hoshino, Koji Kanzaki, Tomoaki Toyone
04. Degenerative (cervical)
P17	Risk Factors for Hospital Readmission and Extended Length of Stay following ACDF Author: Brian Dial co authors: Valentine Esposito, Melissa Erickson
P18	Crowned dens: normal finding in old people, radiological degenerative sign or clinical syndrome? Reflection on four cases and a prevalence study on 843 patients. Author: Rafael Llombart Blanco co authors: Carlos Villas, Mariana Elorz, Matías Alfonso, Jesús Payo, Álvaro Suárez, Jorge Gómez, Jesús Dámaso Aquerreta
P19	Fusion rates in ACDF for smokers when using Titanium Nano-coated PEEK cages. Author: Geert Mahieu co authors: Frederique Van Ermen
P20	Comparison of clinical outcomes after laminoplasty in patients with preoperative cervical kyphosis versus lordosis Author: Atsunori Ohnishi co authors: Akira Yamagishi, Masayoshi Ishii, Tetsuo Ohwada
P21	Patterns and predictors of return to work after surgical management of cervical spondylotic myelopathy Author: Arun John Paul co authors: Rohit Amritanand
P22	Biomechanical study of curve-cutting versus straight-cutting on hinge side laminoplasty : A finite element study Author: Weerasak Singhatanadgige co authors: worawat limthongkul, Terdpong Chancharoenchai , Tawechai Tejapongvorachai
P23	Skip-level cervical disc arthroplasty versus skip-level cervical discectomy and fusion: a comparation based on finite element analysis Author: Xiang-Yao Sun co authors: Chao Kong, Shi-Bao Lu
QF77	Surgical outcomes of dysphagia provoked by diffuse idiopathic skeletal hyperostosis in cervical spine Author: Ho Yeol Zhang co authors: Youngsoo Chung, Yoon Ha, Jeong Yoon Park
QF80	Adjacent Segment Motion following Non-single Level ACDF: A Kinematic and Clinical Study in Patients with Zero-profile Anchored Spacer or Plate. Author: Bingxuan Wu co authors: Wei Cui, Baoge Liu
05. Degenerative (thoracolumbar)
8	Disc Degeneration: More Than an Aging Process Author: Amir Jamaludin co authors: Timor Kadir, Andrew Zisserman, Claudio Pereira, Frances Williams, Jill Urban, Jeremy Fairbank
17	Comparison of Generic vs Spine-Specific Pain Surveys Administered before Surgery and Fulfillment of Expectations Measured after Surgery for Lumbar Degenerative Spondylolisthesis Author: Roland Duculan co authors: Alex Fong, James C. Farmer, Frank P. Cammisa, Andrew A. Sama, Alexander P. Hughes, Darren R. Lebl, Russel C. Huang, Harvinder S. Sandhu, Carol A. Mancuso, Federico P Girardi
P24	Reduction of compensatory hyperlordosis in the adjacent segment: The biomechanical effect of lordosis restoration in L5/S1 with TLIF Author: Peter Ferlic co authors: Michael Götzen
P25	Impact of S2-alar iliac screw placement on sacro-iliac joint - Clinical and radiological assessment of 100 joints - Author: Shunsuke Fujibayashi co authors: Bungo Otsuki, Kazutaka Masamoto, Takayoshi Shimizu, Koichi Murata, Shuichi Matsuda
P26	Impact of PVM on osteoporotic vertebral fracture: A multicenter cohort study Author: Hasibullah Habibi co authors: Shinji Takahashi, Masatoshi Hoshino, Hiroaki Nakamura
P27	Spinal cord stimulation for failed back therapy syndrome Author: Jukka Huttunen co authors: Henna-Kaisa Jyrkkänen, Mette Nissen, Tiina-Mari Ikäheimo, Nils Danner, Mikael von und zu Fraunberg
P28	Does previous flatback fusion deteriorate outcomes and satisfaction with treatment of adult spinal deformity? Author: Kati Kyrölä
P29	Modic type 2 changes are associated with lower risk for severe cage subsidence among standalone lateral lumbar interbody fusion patients Author: Ichiro Okano co authors: Colleen Rentenberger, Stephan Salzmann, Oliver Sax, Fabian Winter, John Carrino, Andrew Sama, Frank Cammisa, Federico Girardi, Alexander Hughes
P30	Changes in the vertebral-pelvic balance after hip replacement in patients with congenital hip dislocation. Author: Alexey Peleganchuk co authors: Alexander Krutko, Vitaliy Pavlov, Lev Schneider, Evgeniy Baykov
P31	Abdominal aortic calcification has significantly negative impacts on surgical outcomes after decompression surgery for lumbar spinal canal stenosis Author: Hironobu Sakaura co authors: Daisuke Ikegami, Takahito Fujimori, Tsuyoshi Sugiura, Yoshihiro Mukai, Noboru Hosono, Takeshi Fuji
P32	The morphometric difference of L4 single-level and L3-4 multi-level degenerative spondylolisthesis ; focused on sagittal spinopelvic morphology and gender difference. Author: Issei Senoo co authors: Tetsuya Kobayashi, Mutsuya Shimizu, Shizuo Jimbo, Hiroshi Ito
P33	Adult Idiopathic Compared to Degenerative Scoliosis Have Different Pedicle Morphologies Author: Maksim A. Shlykov co authors: Mostafa H. El Dafrawy, Owoicho Adogwa, Travis S. CreveCoeur, Munish C. Gupta
P34	The bone union rate at 2 years after Oblique Lateral Interbody Fusion; Comparison with that of Tansforaminal Lumbar Interbody Fusion Author: Shimei Tanida
P35	Test-to-retest reproducibility of the walking test for intermittent claudication associated with lumbar spinal stenosis Author: Shinji Tanishima co authors: Li Shugang, Li Weishi, Sun Tiansheng, Yang Huilin, Hu Jianzhong, Zheng Yanping, Luo Zhuojing, Jie Zhao, Bingqiang Wang, Hideki Nagashima, Qiu Guixing
P36	Patient satisfaction after initial surgery and secondary fusion rates in patients with symptomatic lumbar stenosis due to degenerative spondylolisthesis Author: Judith van Grafhorst co authors: Manon Dijkerman, Wilco Peul, Carmen Vleggeert-Lankamp
P37	Diffuse idiopathic skeletal hyperostosis extended to the lumbar segments increase further surgery after surgery for lumbar spinal stenosis. Author: Kentaro Yamada co authors: Yuichiro Abe, Hiroaki Nakamura
P38	Complications in the upper instrumented vertebrae from the combined use of sacral alar iliac screws for lumbosacral fusion with a minimum of 4 levels fused Author: Makoto Yoshida
QF22	A comparative study of early fusion status after PLIF with cortical bone trajectory screw fixation using carbon PEEK cages or titanium-coated PEEK cages Author: Hironobu Sakaura co authors: Atsunori Ohnishi, Akira Yamagishi, Tetsuo Ohwada
QF24	Preoperative estimation of disc herniation recurrence after microdiscectomy: predictive value of a multivariate model based on radiographic parameters Author: Evgenii Baykov co authors: Alexander Krutko, Evgenii Belykh, Morgan Giers, Vadim Byvaltsev, Aleksey Peleganchuk, Andrey Vasilyev, Abdugafur Sanginov
QF28	Risks of Pulmonary Cement Embolism Related to Cement Augmented Pedicle Screw Fixation of the Osteoporotic Spines. Author: Ying Zhang co authors: Jingming Xie , Yingsong Wang , Ni Bi , Tao Li , Zhi Zhao , Zhiyue Shi, Qiuan Lu , Quan Li
06. Trauma (whole spine)
P39	Subaxial cervical translation fractures - an analysis of 102 consecutive operated cases Author: Nils Danner co authors: Joel Alve, Henna-Kaisa Jyrkkänen, Ville Leinonen, Jukka Huttunen
P40	Complications of Anticoagulation Therapy in Patients with Cervical Spine Fractures Author: Michael Faloon co authors: Conor Dunn, Jennifer Kurowicki, Kimona Issa, Stuart Changoor, Kumar Sinha, Ki Soo Hwang, Arash Emami
P42	The Validity of the Thoracolumbar Injury Classification System in Thoracolumbar Spine Injuries Author: Sung Kyu Kim co authors: So Hyun Moon
P43	Risk factors for correction loss after posterior fixation for single-level thoracolumbar osteoporotic vertebral burst fractures Author: Hiroyuki Nakarai co authors: Akiro Higashikawa, Kenichi Watanabe
P44	Rehabilitation of the patient in in chronic spinal cord injury: a black box, a Russian doll or systematical combined approach? Author: Oxana Prudnikova
P45	Coccydynia, Outcome 1 year after Surgical treatment of 138 consecutive patients. Author: Ane Simony co authors: Mikkel Osterheden Andersen
QF62	Length of survival, pain, disability and quality of life following conservative management of type II odontoid fractures in older people: A retrospective observational study Author: Suzanne McIlroy co authors: Gordan Grahovac, Jordan Lam, Asfand Mirza, M Faheem Khan, Jerry Ajayi Philip, David Bell
QF63	Mortality from Combined Fractures Of Atlas (C1) And Axis (C2) In Adults Author: Fraser Riddoch co authors: Anna Leerssen, Rashid Abu-Rajab, Andraay Leung
QF67	Epidural electrical stimulation in patients in chronic spinal cord injury Author: Oxana Prudnikova co authors: Anastasia Kachesova, Irina Nesterova, Maxim Khomchenkov
QF68	The effect of sagittal malalignment on the clinical outcome following conservative treatment of the AO A3 and A4 thoracolumbar spine fracture in comparison to A1 fractures. A retrospective Study Author: Mahmoud Elshamly co authors: Stefan Toegel, Josef Georg Grohs
QF69	PERCUTANEOUS CT GUIDED CANNULATED SCREWS IN THE TREATMENT OF TRAUMATIC SACROILIAC UNSTABLE JOINT: OUTCOMES AT 5 YEARS OF FOLLOW UP Author: Valerio Pace co authors: Gabriele Falzarano, Giuseppe Rollo, Michele Bisaccia, Riccardo Maria Lanzetti, Luigi Meccariello
QF70	Early versus delayed kyphoplasty for thoracolumbar osteoporotic vertebral fractures: the effect of timing on clinical and radiographic outcomes and subsequent compression fractures Author: Akihito Minamide co authors: Takahiro Maeda, Kimihide Murakami, Motohiro Okada, Hiroshi Iwasaki, Shunji Tsutsui, Masanari Takami, Yasutsugu Yukawa, Hiroshi Yamada, Andrew K. Simpson
07. Tumor (whole spine)
P46	Comparison of open and minimally invasive techniques in the surgical treatment of intradural extramedullary spinal tumors in elderly and senile patients Author: Vadim A. Byvaltsev co authors: Ivan A. Stepanov, Andrei A. Kalinin, Evgenii G. Belykh, Roman A. Polkin, Sergei V. Ochkal
P47	Simple predictor of postoperative neurologic status in patients with metastatic spinal cord compression - Cord compression ratio on MRI Author: Sang-Il Kim co authors: Young-Hoon Kim, Kee-Yong Ha, Hyung-Youl Park, Woong-Ki Jeon, Joon-Hyung Cho, In-Soo Oh
P48	New posterior column reconstruction using titanium lamina mesh after total en bloc spondylectomy of spinal tumour Author: Sung Kyu Kim co authors: So Hyun Moon
P49	Intra-Operative Neuromonitoring(IONM): Is There a Role in Metastatic Spine Tumour Surgery(MSTS)? Author: Naresh Kumar co authors: Vijayaraghavan G, Nivetha Ravikumar, May Lin Yin, Ravish Patel, Nandika Naresh, Hwee Weng Dennis Hey, Leok-Lim Lau, Gabriel Liu
P50	Asymptomatic Construct Failure(AsCF) after Metastatic Spine Tumour Surgery(MSTS): A New Entity or a Continuum with Symptomatic Failure? Author: Naresh Kumar co authors: Ravish Patel, Barry WL Tan, Nivetha Ravikumar, Helena Milavec, Aravind Kumar, Hwee Weng Dennis Hey, Leok-Lim Lau, Joseph Thambiah, Gabriel Liu
P51	Factors Influencing Extended Hospital Stay in Patients Undergoing Metastatic Spine Tumour Surgery and its Impact on Survival Author: Naresh Kumar co authors: Ravish Patel, Samuel Wang, Joel Yong Hao Tan, Zhaojin Chen, Nivetha Ravikumar, Nandika Kumar, Hwee Weng Dennis Hey, Balamurugan Vellayappan
P52	The clinical and functional outcomes of elderly patients following decompressive surgery for metastatic epidural cord compression are not inferior to their younger counterparts Author: Stacy Ng co authors: Wee Lim Loo, Shree Kumar Dinesh
P53	Rod fracture and related factors after total en bloc spondylectomy Author: Se-Jun Park co authors: Chong-Suh Lee, Tae-Hoon Yum, Yun-Jin Nam, Jin-Sung Park
P54	Rate of implant failure and spontaneous fusion in MISS fixation of metastatic spine: Is the fusion necessary? Author: Alvaro Silva co authors: Oscar Bravo, Manuel Valencia, Ratko Yurac, Bartolomé Marré
QF75	Survival outcomes and prognostic factors of patients with intramedullary Grade II ependymomas after surgical treatments Author: Xiang-Yao Sun
08. Infection (whole spine)
4	CURRENT TRENDS AND PERIOPERATIVE COMPLICATIONS OF SURGERIES FOR SPINAL INFECTIONS IN THE SUPER-AGEING SOCIETY: A MULTI CENTER STUDY Author: Yuichiro Ukon co authors: Takahiro Makino, Yusuke Sakai, Shota Takenaka, Takashi Kaito
P55	New surgical strategy for primary pyogenic spondylodiscitis : Comparison of combined antero-posterior approach versus posterior-only approach Author: Dong Ryul Heo co authors: Ja Wook Koo, Sung Hoon Choi, Chang-Nam Kang
P56	Factors for surgical intervention in the treatment of pyogenic spondylitis Author: Hiroaki Kimura co authors: Juichi Miura, Bunnichiro Wadayama
P57	Intra-wound vancomycin as additional infection prophylaxis in instrumented spinal surgery: a systematic review Author: Géraldine C.M. Lafeber co authors: Jeroen G.J. Huybregts, Willem Pondaag, Wilco C. Peul, Carmen L.A. Vleggeert-Lankamp
P58	Does the integrity of the vertebral plates affect the results of endoscopic treatment of spondylodiscitis? Author: Rafael Llombart Blanco co authors: Victoria Moreno, Carlos Villas, Matías Alfonso
P59	Bioactive glass S53P4 as bone graft substitute in fusion surgery for non specific spondylodiscitis Author: Markus Pietrek co authors: Ralph Kothe
P60	Can distribution pattern of intraspinal epidural abscess of the thoracic and lumbar spines be one of the prognostic factors of residual neurologic deficit after surgery?-A retrospective study Author: Shih-Tien Wang co authors: Yu-Cheng Yao, Po-Hsin Chou
09. Adult Deformity (whole spine)
19	Decision Analysis in Quest of the Ideal Treatment in Adult Spinal Deformity Revisited Author: Emre Acaroglu co authors: Selcen Yuksel, Can Ates, Selim Ayhan, Vugar Nabiyev, Sinan Bahadir, Alba Vila-Casademunt, Ferran Pellise, Francisco Javier Sanchez Perez-Grueso, Ibrahim Obeid, Frank Kleinstuck, Ahmet Alanay, ESSG - European Spine Study Group
P61	Bridging the gap between static and dynamic postural alignment: how does the sagittal vertical axis perform during walking? Author: Ayman Assi co authors: Ziad Bakouny, Aren Joe Bizdikian, Joeffroy Otayek, Fares Yared, Virginie Lafage, Nour Khalil, Abir Massaad, Ismat Ghanem, Wafa Skalli
P62	Towards understanding underlying mechanisms behind the pelvic tilt reserve in ASD Author: Ayman Assi co authors: Georges Kawkabani, Renee Maria Saliby, Mario Mekhael, Chris Labaki, Mohammad Karam, Elena Jaber, Krystel Abi Karam, Charbel Haddad, Stephane Jabre, Georges Mjaess, Gaby Kreichati, Khalil Kharrat, Ismat Ghanem, Faouzi Srour, Rami Rachkidi, Virginie Lafage, Wafa Skalli
P63	The relation between measured height loss, sagittal spinopelvic alignment and physical function among community-dwelling Japanese adults：mean 34 years longitudinal study Author: Hisashi Chiba co authors: Mutsuya Shimizu, Tetsuya Kobayashi, Shizuo Jinbo, Issei Senoo, Keisuke Matsukura, Mitsuru Imai, Yuji Atsuta
P65	Factors influencing patient satisfaction after adult scoliosis and spinal deformity surgery Author: Kazunori Hayashi co authors: Louis Boissière, Fernando Guevara-Villazón, Daniel Larrieu, Anouar Bourghli, Olivier Gille, Jean-Marc Vital, Ferran Pellisé, Francisco Javier Sánchez PérezGrueso, Frank Kleinstück, Emre Acarolu, Ahmet Alanay, Susana Núñez-Pereira, Ibrahim Obeid, ESSG
P66	Long-Term Clinical and Radiologic Outcomes of Semi-constrained Lumbar Total Disc Replacements (More Than 10 Years Follow-up) Author: Sinan Kahraman co authors: Huseyin Ozturk, Yunus Emre Akman, Onur Levent Ulusoy, Ayhan Mutlu, Tunay Sanli, Selhan Karadereler, Meric Enercan, Azmi Hamzaoglu
P68	Do the postoperative scores considered "acceptable" for pain, Oswestry Disability and SRS-16 differ depending on age, treatment and etiology of adult spinal deformity pathology? Author: Anne F Mannion co authors: Alba Vila-Casademunt, Sarah Richner-Wunderlin, Markus Loibl, Ferran Pellise, Ibrahim Obeid, Joan Bago, Ahmet Alanay, Francisco S Perez-Grueso, Frank S Kleinstueck
P69	Can adolescent lumbar spondylolisthesis associated scoliosis benefit from interbody fusion Author: Xu Sun co authors: Chang-zhi Du, Ze-zhang Zhu, Yong Qiu
P70	Cervical Abnormalities In Severe Spinal Deformity: A Ten-year MRI Review Author: Ying Zhang co authors: Jingming Xie, Yingsong Wang, Zhi Zhao, Tao Li, Quan Li, Zhiyue Shi, Qiuan Lu, Ni Bi
QF111	Minimum Clinically Important Difference of Health-Related Quality of Life Scales in Adult Spinal Deformity Vary with Age, Gender, Baseline Disability Scores and the Direction of Change Perceived by the Patient Author: Emre Acaroglu co authors: Selcen Yuksel, Sinan Bahadir, Selim Ayhan, Vugar Nabiyev, Alba Vila-Casademunt, Ferran Pellise, Francisco Javier Sanchez Perez-Grueso, Ibrahim Obeid, Frank Kleinstuck, Ahmet Alanay, ESSG - European Spine Study Group
QF112	Psychometric Properties of the SRS-30 Questionnaire among Degenerative Adult Spinal Disease Patients: a Rasch Analytic Approach Author: Kati Kyrölä co authors: Jussi P. Repo, Jari Ylinen, Arja H. Häkkinen
QF113	How Much Lordosis Correction is Available? - Minimally Invasive Multilevel Lateral Lumbar Interbody Fusion Combined with Posterior Column Osteotomy using Stiff Rod in Adult Spinal Deformity Surgery as Compared with Pedicle Subtraction Osteotomy Author: Sang Kyu Im co authors: Jung-Hee Lee, Ki Young Lee, Won Ju Shin, Seong Jin Cho
QF118	Relation of the Global Alignment and Proportion (GAP) Score, simplified SRS-Schwab adult spinal deformity (ASD) classification score and long-term complications after ASD surgery Author: Kati Kyrölä co authors: Liisa Pekkanen, Pirkka Mäkelä, Jussi P. Repo
10. Growing Spine
P71	First Out-of-brace radiographs are better predictors than In-brace radiographs of Adolescent Idiopathic Scoliosis conservative treatment Author: Francesca Di Felice co authors: Stefano Negrini, Francesco Negrini, Giulia Rebagliati, Fabio Zaina, Sabrina Donzelli
P72	Implant Distribution versus Implant Density in Lenke Type 1 Curves: Where Should We Place a Screw? Author: Brian Dial co authors: Valentine Esposito, Robert Lark
P73	The importance of the lumbar curve flexibility in the prediction of spontaneous lumbar curve correction using selective thoracic fusion in Lenke types 1-2-3-4 C curves Author: Sinan Kahraman co authors: Yunus Emre Akman, Onur Levent Ulusoy, Ayhan Mutlu, Tunay Sanli, Huseyin Ozturk, Okan Aslanturk, Selhan Karadereler, Meric Enercan, Azmi Hamzaoglu
P76	Postoperative axial neck pain and its associated parameters following posterior corrective surgery for the AIS patients Author: Akira Matsumura co authors: Takashi Namikawa, Minori Kato, Yusuke Hori, Masayoshi Iwamae
P77	Effectiveness of Providence Night-time Bracing compared to Full-time Boston Bracing for Adolescent Idiopathic Scoliosis. A matched cohort Study. Author: Ane Simony co authors: Mikkel Osterheden Andersen, Stig Mindedahl Jespersen, Leah Yaccat Carreon
P78	Does Surgical Correction of Scoliosis in Idiopathic Syringomyelia Produce Outcomes Similar to Those in Chiari I Malformation with Syringomyelia? Author: Haining Tan co authors: Chong Chen, Youxi Lin, Tianhua Rong, Yang Jiao, Jiaqi Bi, Peiyu Sun, Zheng Li, Jinqian Liang, Jianxiong Shen
QF101	The surgical strategy of treatment lumbosacral hemivertebra: comparative analysis of under 10 years old and older than 10 years old groups with 5 years follow up Author: Zhiyue Shi co authors: Yingsong Wang, Jingming Xie, Quan Li, Ni Bi, Quan Lu, Ying Zhang , Zhi Zhao, Tao Li
11. Intradural Spinal Pathologies
P79	Conservative and surgical managements of spinal cord cavernous malformations Author: Yu-ichiro Ohnishi co authors: Hirofumi Sugano, Sho Fujiwara, Takashi Moriwaki, Haruhiko Kishima
P80	The best method to treat spinal arteriovenous malformations. Our 14 years experience. A retrospective study. Author: Olesia Slobodian
12. Minimal Invasive Spine Surgery (MISS)
P81	Analysis of Temporal Changes in Dural Tube Morphology after LLIF Indirect Decompression Author: Yutaka Kono co authors: Hogaku Gen, Yoshio Sakuma
P82	Predisposing factors for early cage subsidence after lateral lumbar interbody fusion Author: Ki-Hyoung Koo
P83	Comparison of Single-Position Robotic-Assisted Surgery versus Conventional Minimally Invasive Surgery Following LLIF: An In Vitro Assessment Author: Jeffery Larson co authors: Richard Frisch, Gerald Hayward, Jonathan Harris, Jorge Gonzalez, Brandon Bucklen
P84	From Optical to Digital: The Challenges and Learning Curves with 3D4K Digital Visualisations in Minimally Invasive Spine Surgery (MISS) Author: Mohd Hisam Muhamad Ariffin
P85	Accuracy of a novel, Augmented Reality Navigation Technology using Intraoperative Cone Beam CT for percutaneous spine surgery Author: Simon Peh co authors: Sebastian Lippross, Julian Pfarr, Jost Philipp Schäfer , Anindita Chatterjea*, Andreas Seekamp
P86	Anatomical Feasibility of Right Oblique Approach for L5-S1 Oblique Lumbar Interbody Fusion Author: Myung-Hoon Shin co authors: Jong-Tae Kim
13. New Techniques
P87	Aneurysmal bone cyst of the spine: treatment by concentrated bone marrow injection Author: Giovanni Barbanti Brodano co authors: Marco Girolami, Riccardo Ghermandi, Silvia Terzi, Stefano Bandiera, Gisberto Evangelisti, Valerio Pipola, Alessandro Gasbarrini
P88	Trans-sacral Interbody Fixation vs. Transforaminal Lumbar Interbody Fusion at the Lumbosacral Junction for Long Fusions to the Sacropelvis in Primary Adult Scoliosis Author: Michael Faloon co authors: Hong-Lei Yi, Stuart Changoor, Thomas Ross, Oheneba Boachie-Adjei
P89	Cortical versus Traditional Pedicle Screw Techniques in Posterior Lumbar Interbody Fusion Author: Paul Licina co authors: Emma Johnston
P90	A Novel Surgical Technique in Transforaminal Lumbar Interbody Fusion by the Bone Graft Delivery Device: Evaluation of Therapeutic Effect in Patients with Minimal Invasive Spine Surgery Author: Sher-Wei Lim
P91	Satellite rod fixation around rod-fracture area in revision surgery after three-column osteotomy for severe kyphoscoliosis: A minimum of 2 years follow-up Author: Dun Liu co authors: Yang Li, Benlong Shi, Zhen Liu, Xu Sun , Zezhang Zhu, Yong Qiu
P92	Pedicle Screw Accuracy in Clinical Utilization of Minimally Invasive Navigated Robot-Assisted Spine Surgery Author: David Wallace co authors: Arnold Vardiman, Neil Crawford, Leigh Ahrendtsen, Jessica Riggleman, Charles Ledonio
14. Diagnostics and Imaging
P93	Patients with L4/5 Lumbar Degenerative Spondylolisthesis Have Decreased Bone Mineral Density at L4 Measured by Quantitative CT Author: Roland Duculan co authors: Alex Fong, John A. Carrino, James C. Farmer, Frank P. Cammisa, Andrew A. Sama, Alexander P. Hughes, Darren R. Lebl, Russel C. Huang, Harvinder S. Sandhu, Carol A. Mancuso, Federico P. Girardi
P94	Evaluation of a new sagittal classification system in Adolescent Idiopathic Scoliosis Author: Sidsel Fruergaard co authors: Jain Mohit, Søren Ohrt-Nissen, Martin Gehrchen, Benny Dahl
P95	Predictors of surgical site infection after spinal instrumentation surgery: A consecutive series Author: HIROYUKI INOSE co authors: Atsushi Okawa
P96	Is vertebral posterior edge safety line for cervical posterior screw insertion?-radiological study of vertebral artery in the cervical spine- Author: Kyongsong Kim co authors: Misa Kido, Mitsuri Hasegawa, Masaaki Kawauchi
P97	Objective and precise X-ray landmark localization using Deep Learning Author: Frank Niemeyer
P98	New classification of coronal malalignment for adult spinal deformity: The role of lateral bending films Author: Ibrahim Obeid co authors: Kazunori Hayashi, Louis Boissière, Derek Cawley, David Kieser, Pedro Berjano, Claudio Lamartina, Munish Gupta, Clément Silvestre, Themi Protopsaltis, Anouar Bourghli, Ferran Pellisé, Prokopis Annis, Elias Papadopoulos, Gaby Kreichati
P99	Lumbar muscle morphology as a prognostic marker after discectomy Author: Nuno Cruz Oliveira
P100	A Hierarchical Classification of Right Thoracic Adolescent Idiopathic Scoliosis Author: Saba Pasha co authors: Victor Ho
P101	Quantifying cervical spondylosis: Reliability testing of a coherent CT-based scoring system Author: Eric Rydman co authors: Sara Bankler, Sari Ponzer, Hans Pettersson
P102	Correlation between Adam’s test and Digital Pelvic Inclinometer in adults Author: Rumiana Tasheva co authors: Krassimir Kolev
QF34	Development of an epigenetic IVD test for the diagnosis and prognosis of adolescent idiopathic scoliosis (AIS) Author: Ester Berenguer-Pascual co authors: Giselle Pérez-Machado, Eva García-López, Salvador Mena-Mollá, Paloma Bas-Hermida, Pedro Rubio-Belmar, Federico Pallardó, José Luis García-Gimenez, Teresa Bas-Hermida
15. Nonoperative Treatment
P103	Spinal Injections versus Conservative Treatment for Spinal Pain: The Korean Spine Patient Outcomes Research Trial (K-SPORT) Observational Cohort Author: Dong Ah Shin
16. Patient Safety
P104	Clinical approach and surgical strategy for spinal disorders in pregnant women Author: Hanna Hitscherich co authors: Maria Wostrack, Sven Eicker, Judith Rösler, Peter Vajkoczy, Nikolaus Kögl, Claudius Thome, Enrico Tessitore, Bernhard Meyer
17. Complications
P105	Unplanned Readmission following complex spine surgery – 2-years follow up using the Spine AdVerse Event Severity (SAVES) system Author: Tanvir Johanning Bari co authors: Sven Karstensen, Mathias Dahl Sørensen, Martin Gehrchen, John Street, Benny Dahl
P106	Mortality and Revision Surgery following complex spine surgery: 2-year follow-up using the Spine AdVerse Event Severity (SAVES) system Author: Tanvir Johanning Bari co authors: Sven Karstensen, Mathias Dahl Sørensen, Martin Gehrchen, John Street, Benny Dahl
P107	Rates of Hospital-based, Intra-operative, and Short-term Complications Following Thoracic Costotransversectomy Based on Underlying Diagnosis Author: Ashraf El Naga co authors: Richard Bransford, Eric Rebich, Celeste Tavolaro, Edward Jung, Haitao Zhou, David Gendelberg, Carlo Bellabarba
P108	Neurologic Changes following Posterior Thoracic Corpectomies via a Costotransversectomy Type Approach Author: Ashraf El Naga co authors: Richard Bransford, Celeste Tavolaro, Eric Rebich, Edward Jung, Haitao Zhou, David Gendelberg, Carlo Bellabarba
P109	Complications of long fixation to sacrum: role of Iliac fixation Author: Khaled El-Youssef co authors: Shahnawaz Haleem, Louis Boissiere, Guillaume Riouallon, Clement Silvestre, Vincent Fier, Georges Abi Lahoud, Yann Philippe Charles, Ibrahim Obeid
P110	Decreased rate of surgical site infection after spinal surgery with instrumentation using bundled approach including surveillance and intra-wound vancomycin application Author: Shunsuke Fujibayashi co authors: Takashi Sono, Bungo Otsuki, Takayoshi Shimizu, Koichi Murata, Shuichi Matsuda
QF100	Risk analysis of various age groups of congenital hemivertebra resection before ten years old Author: Yingsong Wang co authors: Jingming Xie, Qiuan Lu, Ying Zhang , Tao Li, Zhi Zhao, Ni Bi, Zhiyue Shi, Quan Li
18. Epidemiology and Medical Economics
1	Fostering Physical Activity after Complex Lumbar Spine Surgery: a Randomized Trial Author: Carol A. Mancuso co authors: Manuela C. Rigaud, Roland Duculan, Frank P. Cammisa, Andrew A. Sama, Alexander P. Hughes, Darren R. Lebl, Russel C. Huang, Harvinder S. Sandhu, Federico P. Girardi
P111	The Incidence and Management Trends of Metastatic Spinal Tumors in South Korea : A Nationwide Population-based Study Author: Dong Ryul Heo co authors: Ja Wook Koo, Sung Hoon Choi, Chang-Nam Kang
P112	Compared to Patients Preoperative Expectations, Surgeons’ Preoperative Expectations More Often Correspond to Patient-Reported Fulfillment of Expectations Two Years after 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
P113	Improvement in Multiple Domains of Functional Status with Increasing Physical Activity after Lumbar Surgery: Longitudinal Analysis Author: Carol A. Mancuso co authors: Manuela C. Rigaud, Roland Duculan, Frank P. Cammisa, Andrew A. Sama, Alexander P. Hughes, Darren R. Lebl, Russel C. Huang, Harvinder S. Sandhu, Federico P. Girardi
P114	Occurrence of psychiatric comorbidity in patients with unspecific and specific back pain diagnoses Author: Pernille Sanberg Ljungdalh 1 co authors: Olav Sivertsen Garvik 2, Elsebeth Stenager 3, Berit Sciøttz-Christensen 1, Bente Mertz Nørgård 2, Maria Iachina 2
P115	The cost of routine Radiographs, 6 weeks after Lumbar Fusion Surgery. Author: Ane Simony co authors: Hanne Thomsen, Morten Vuust
QF37	Greater Disability Associated with Patients’ Unrealistic Expectations of Lumbar Surgery Compared to Surgeons’ Expectations Author: Carol A. Mancuso co authors: Roland Duculan, Frank P Cammisa, Andrew A Sama, Alexander P. Hughes, Darren R Lebl, Federico P. Girardi
QF38	Dissatisfaction after Lumbar Surgery Associated with Clinical Variables and Not Patients’ and Surgeons’ Expectations Author: Carol A. Mancuso

show all postersresults: 142

01. Basic science: Biology

02. Basic science: Biomechanics

03. Craniocervical Junction (all pathologies)

04. Degenerative (cervical)

05. Degenerative (thoracolumbar)

06. Trauma (whole spine)

07. Tumor (whole spine)

08. Infection (whole spine)

09. Adult Deformity (whole spine)

10. Growing Spine

11. Intradural Spinal Pathologies

12. Minimal Invasive Spine Surgery (MISS)

13. New Techniques

14. Diagnostics and Imaging

15. Nonoperative Treatment

16. Patient Safety

17. Complications

18. Epidemiology and Medical Economics

show all posters
results: 142