e-posters Vienna 2021

01. Basic science: biology
1	Comprehensive in vitro Comparison of Cellular and Osteogenic Response to Alternative Biomaterials for Spinal Implants Author: Seunghun S. Lee co authors: Stephanie Huber, Stephen J. Ferguson
17	Immunomodulatory effect of stem cell secretome in a loaded annulus fibrosus organ culture Author: Graciosa Q. Teixeira co authors: Andreas Ekkerlein, Raquel M. Goncalves, Joana R. Ferreira, Anita Ignatius, Hans-Joachim Wilke, Cornelia Neidlinger-Wilke
P1	Correlation of mRNA expression of major MMPs and ADAMTSs to Pfirrmann MRI grades in patients undergoing lumbar spinal fusion Author: Sagar Sanjay Aripaka co authors: 3, Rachid Bech Azeddine2,3, Louise Møller Joergensen1,2,3, Sajjad Ahmad Chughtai2, Jens Holm Mikkelsen1,3,4
P2	Pro-inflammatory and neurotrophic-factor response of degenerative human intervertebral disc cells to the opportunistic pathogen Cutibacterium acnes Author: Christof Birkenmaier co authors: Manu Capoor, Anna Konieczna, Andrew McDowell, Filip Ruzicka, Martin Smrcka, Radim Jancalek, Karel Maca, Michael Lujc, Fahad Ahmed, Stefan Dudli, Ondrej Slaby
P3	Dipeptidyl Peptidase-4 is associated with myogenesis in patients with adolescent idiopathic scoliosis possibly via mediation of insulin sensitivity Author: Zhicheng Dai co authors: Zhenhua Feng, Zhichong Wu, Yuwen Wang, Zezhang Zhu, Yong Qiu, Leilei Xu
P4	Is miR-155 involved in the enhanced osteogenic differentiation of bone marrow-derived mesenchymal stem cells from ankylosing spondylitis patients? Author: Ji-chen Huang co authors: Bang-ping Qian, Yong Qiu
P6	Comparison of bone formation by different synthetic bone grafts in a clinically-relevant spinal implantation model Author: Lukas van Dijk co authors: 2, Huipin Yuan1, Florence de Groot1, Joost de Bruijn1,3
02. Basic science: biomechanics
2	The effect of various options for decompression of degenerated lumbar spine motion segments on the range of motion: a biomechanical in vitro study Author: Sara Lener co authors: Werner Schmölz, Anto Abramovic, Patrick Kluger, Claudius Thomé, Sebastian Hartmann
P8	A novel 3D radiographic analysis of the spine in adolescent idiopathic scoliosis: can 3D parameters complement the current 2D assessment? Author: Thijs Ackermans co authors: Sebastiaan Schelfaut, Thomas Overbergh, Lennart Scheys, Lieven Moke, Pierre Moens
P9	Distinguishing people with recurrent neck pain from asymptomatic controls based on neuromuscular and psychosocial features : A machine learning approach Author: Ahmed Alalawi
P10	Static and Dynamic Sagittal Lumbar Apex: a new concept for the assessment of lumbar lordosis distribution in spinal deformity Author: Anouar Bourghli co authors: Chizuo Iwai, Javier Pizones, Louis Boissiere, Caglar Yilgor, Daniel Larrieu, Ferran Pellisé, Jean-marc Vital, Ibrahim Obeid
P11	A Comprehensive Biomechanical Investigation of Crosslink Fixation Method on Kinematic Properties of the Lumbosacral Spine Author: Bryan W. Cunningham co authors: Franklin Lee, Daina M. Brooks, Sarah L. Lucas, Jamie A. Means, Mesfin A. Lemma
P12	Correlation between mechanical properties and porosity in silicon nitride bioceramic Author: Xiaoyu Du co authors: Gurdial Blugan , Stephen Ferguson
P13	DEVELOPMENT AND VALIDATION OF A SUBJECT-SPECIFIC FINITE ELEMENT MODEL OF PATHOLOGICAL LUMBAR SPINE Author: Chiara Garavelli co authors: Cristina Curreli, Marco Palanca, Luca Cristofolini, Marco Viceconti
P14	Anatomical Variations of Rib Cage Anatomy with Age and Gender: A 3D Analysis in Erect Position Author: Marc KHALIFÉ co authors: Claudio VERGARI, Emmanuelle FERRERO, Valérie ATTALI, Cécile HEIDSIECK, Ayman ASSI, Wafa SKALLI
P15	Spinopelvic movement strategies during sit-to-stand in adult spinal deformity Author: Pieter Severijns co authors: Thomas Overbergh, Kaat Desloovere, Lieven Moke, Lennart Scheys
P16	SPINE STABILITY AND DISC STRAINS AFTER PERCUTANEOUS CEMENT DISCOPLASTY Author: Chloé Techens co authors: Sara Montanari, Peter Eltes, Aron Lazary, Luca Cristofolini
QF2	CERVICAL TOTAL DISC REPLACEMENT CAN RESTORE INTACT RANGE OF MOTION AND 3-D KINEMATICS Author: Morten Vogt co authors: Laura Zengerle, Rene Jonas, Hans-Joachim Wilke
QF31	The use of sublaminar wires to create semi-rigid junctional fixation in surgical correction of adult degenerative scoliosis Author: Julia van Agtmaal co authors: Remco Doodkorte , Alex Roth, Keita Ito, Bert van Rietbergen, Paul Willems
QF41	A preoperative planning tool for patients with early onset scoliosis based on a finite element model tailored to the patient Author: Ilse van Hulst co authors: Paul Willems, Remco Doodkorte, Alex Roth, Keita Ito, Bert van Rietbergen
QF85	Prediction of screw loosening: Is it possible via measuring the insertion torque? An in vitro study Author: Jan Ulrich Jansen co authors: Laura Zengerle, Carsten Hackenbroch, Youping Tao, Hans-Joachim Wilke
03. Craniocervical junction (all pathologies)
51	Trabecular volumetric bone mineral density of the occipital bone at preferred screw placement sites measured by quantitative computed tomography Author: Manuel Moser co authors: Dominik Adl Amini, Lisa Oezel, Jennifer Shue, John Carrino, Andrew Sama, Frank Cammisa, Federico Girardi, Alexander Hughes
QF3	10 Year Radiological Follow-Up Evaluating Role Of Synthetic Osteoconductive Bone Substitute To Augment Occipito-Cervical Instrumentation In Children Author: Pranav Shah co authors: Younus Hanif, Dominic Thompson, Stewart Tucker
04. Degenerative (cervical)
19	Myelopathy Disability Index: establishing criteria for mild, moderate and severe impairment in patients with degenerative cervical myelopathy Author: Alba Pons co authors: Andrea Salomé Khoudeir, Ana García de Frutos, Lluïsa Montesinos, Ferran Pellisé, Manuel Ramírez
36	Local Retropharyngeal Space Anesthetic for Dysphagia Reduction After Anterior Cervical Discectomy and Fusion Surgery: A Single-Center, Prospective, Randomized, Double-Blinded, Placebo-Controlled Clinical Trial Author: Sigita Burneikiene co authors: E. Lee Nelson, Sharad Rajpal, Kara Beasley, Alan Villavicencio
P19	Effect of indirect foraminal decompression after anterior cervical disk fusion : a prospective study with clinical and radiological outcomes Author: Gaetan Laine co authors: Jean Marc Vital, Louis Boissiere, Pierre Coudert, Olivier Gille
P20	The association between cervical kyphosis and ossification of a ligament in the cranio-cervical junction Author: Baoge Liu co authors: Bingxuan Wu
P21	Clinical impact of 3-level anterior cervical decompression and fusion(ACDF) on the occipito-atlantoaxial complex: A retrospective study following zero profile anchored spacer versus cage-plate construct Author: Bowei Xiao co authors: Baoge Liu, Bingxuan Wu, Wei Cui, Tianhua Rong, Dacheng Sang
P22	Radiographic Fusion Rates Following Anterior Cervical Discectomy and Fusion with Bone Graft Combined with Autogenous Bone Marrow Author: Youxi Lin co authors: Baoge Liu, Wei Cui, Tianhua Rong, Bingxuan Wu, Dacheng Sang, Dian Wang, Bowei Xiao
P23	Influence of approach laterality to outcome of one to two level primary anterior cervical discectomy and fusion Author: Ross McAllister co authors: Narendra Rath, Marco Teli
P25	A systematic review on neurological outcome after anterior decompression surgery for degenerative cervical myelopathy Author: Valérie Schuermans co authors: Anouk Smeets, Lauren Van de Kar, Sem Hermans, Toon Boselie, Inez Curfs, Henk Van Santbrink
P26	Titanium-interlayer Mediated Hydroxyapatite Coating on Polyetheretherketone: A Prospective Study in Patients with Single-level Cervical Degenerative Disc Disease Author: Ce Zhu co authors: Ganjun Feng, Limin Liu, Yueming Song
QF8	Adjacent segment disease after anterior cervical decompression surgery for cervical degenerative disc disease: a single center retrospective cohort study with long-term follow-up Author: Valérie Schuermans co authors: Anouk Smeets, Nienke Wijsen, Inez Curfs, Toon Boselie, Henk Van Santbrink
QF9	Similar effectiveness of laminectomy with fusion and laminectomy alone in degenerative cervical myelopathy Author: Paul Gerdhem
05. Degenerative (thoracolumbar)
3	Chondroitinase versus Papain digestion leads to different outcome for in vitro simulation of degenerated discs Author: Jan Ulrich Jansen co authors: Graciosa Quelhas Teixeira, Andrea Vernengo, Sibylle Grad, Cornelia Neidlinger-Wilke, Hans-Joachim Wilke
4	Addition of ketorolac to local anesthesia for wound infiltration before closure in multilevel posterior lumbar spinal fusion: a randomized controlled trial Author: Akaworn Mahatthanatrakul co authors: Nattharut Chaibuddanugul, Artit Laoruengthana
18	Prospective, Randomized, Controlled, Double-Blinded Clinical Trial Comparing PEEK and Allograft Spacers in Patients Undergoing Transforaminal Lumbar Interbody Fusion Surgeries Author: Alan Villavicencio co authors: E. Lee Nelson, Sharad Rajpal, Kara Beasley, Sigita Burneikiene
P27	Outcomes of 3D-printed Porous Titanium versus Polyetheretherketone (PEEK) Cage Implantation for Standalone Lateral Lumbar Interbody Fusion in the Treatment of Adjacent Segment Degeneration Author: Dominik Adl Amini co authors: Manuel Moser, Lisa Oezel, Jiaqi Zhu, Jennifer Shue, Andrew A. Sama, Frank P. Cammisa, Federico P. Girardi, Alexander P. Hughes
P28	Minimally invasive approaches for lumbar interbody fusion surgery in adults suffering from degenerative lumbar disease: real world data at 1-year follow-up from a global study Author: Yann Philippe Charles co authors: Aleksandr Krutko, Paulo Pereira, Carlos Santos, Yung Park, Vasileios Arzoglou, Seung-Won Park, Jörg Franke, Stephane Fuentes, Shisheng He, Tomáš Hosszu, Pedro Varanda, Sergey Mlyavykh, Dimitri Vanhauwaert, Wolfgang Senker
P29	Peek versus Titanium Cages in Transforaminal Lumbar Interbody Fusion: A 2-year Follow-Up Study with Clinical and Radiological Outcomes Author: Daniel Coban co authors: Stuart Changoor, Conor Dunn, Michael Pompliano, Kumar Sinha, Ki Hwang, Michael Faloon, Arash Emami
P30	No benefit with preservation of midline structures in decompression for Lumbar Spinal Stenosis - Results from the National Swedish Spine Registry 2-year post-op Author: Erik Elmqvist co authors: Peter Försth
P31	Efficacy and Safety of Escherichia coli-derived recombinant human bone morphogenetic protein-2 in additional posterolateral lumbar fusion: minimum 1 year follow-up Author: Sang Hoon Park co authors: Hee-Jung Son, Sung Hoon Choi, Haewon Jeong, Chang-Nam Kang
P32	Outcomes of Use of Cement-augmented Cannulated Pedicle Screws in Lumbar Spinal Fusion Author: Sang Hoon Park co authors: Sung Hoon Choi, Hee-Jung Son, Dong Ryul Heo, Young-Hoon Jo, Incheol Kook, Chang-Nam Kang, Haewon Jeong
P33	Outcomes of Lumbar Spinal Fusion in Super-Elderly Patients Aged 80 Years and over : Comparison with Patients Aged 65 Years and over, and under 80 Years Author: Haewon Jeong co authors: Hee-Jung Son, Young-Hoon Jo, Hyung Seob Ahn, Jooyoung You, Sang Hoon Park, Chang-Nam Kang
P34	Effect of aerobic training on the inflammatory process of the intervertebral disc nucleus pulposus in type I diabetic rats. Author: Silvana Kasinski co authors: Maria Teresa Alves, Ângela Bertolini, Robson Serralha, Inri Faria, Deysi Yorgos, Moises Nascimento, Margaret Mouro, Giovana Punaro, Adelson Rodrigues, Marcel Tamaoki, Luciano Lopes, Mayte Toledo, Elisa Higa
P37	Assessing fatty infiltration of paraspinal muscles in patients with lumbar spinal stenosis: Goutallier classification and quantitative MRI measurements Author: Filippo Mandelli co authors: Corina Nüesch, Yuancheng Zhang, Florian Halbeisen, Stefan Schären, Annegret Mündermann, Cordula Netzer
P38	A machine-learning based model predicts significantly inferior multidimensional outcome in patients who drop out at follow-up Author: Anne F Mannion co authors: Daniel Müller, Dave O''Riordan, Tamas F Fekete, Francois Porchet, Frank S Kleinstück, Raluca Reitmeir, Markus Loibl, Dezsö Jeszenszky, Daniel Haschtmann
P39	The differences of the site of lumbar degenerative spondylolisthesis might be associated with not only spinopelvic morphology but also muscle strength and gait valance Author: Issei Senoo co authors: Tetsuya Kobayashi, Hiroshi Itoh
P40	The Incidence of Adjacent Segment Degeneration and Reoperation after Anterior Stand-Alone Fusion of the Lumbosacral Segment - A Prospective Clinical and Radiological Long-Term Investigation - Author: Katrin Stosch-Wiechert co authors: Karin Wuertz-Kozak, Alexander Krenauer, Christoph J. Siepe
P41	Sagittal malalignment according to Roussouly classification as a risk factor for adjacent segment disease after lumbar fusion Author: Xu Sun co authors: Muyi Wang, Yong Qiu, Zezhang Zhu, Bangping Qian, Bin Wang
P42	The Outcome of Epidural Injections in Lumbar Radiculopathy Is Independent of the Presence of Disc Herniation on Magnetic Resonance Imaging Author: Eduard Verheijen co authors: Alexander Munts, Oscar van Haagen, Dirk de Vries, Carmen Vleggeert-Lankamp
QF16	Anterolateral versus posterior minimally invasive interbody fusion for patients with spondylolisthesis: 12 months follow-up Author: Yann Philippe Charles
06. Trauma (whole spine)
P43	Application of the NEXUS low criteria and the Canadian C-Spine rule and results of cervical spine radiography in emergency condition Author: Mohamed Amine Gharbi co authors: Mouadh Nefiss, Ramzi Bouzidi, Khelil Ezzaouia, Anis Tborbi
P44	Curiosity or Underdiagnosed? Injuries to Thoracolumbar Spine with Concomitant Trauma to Pancreas Author: Jakob Hax co authors: Sascha Halvachizadeh, Kai Oliver Jensen, Till Berk, Henrik Teuber, Teresa Di Primio, Rolf Lefering, Hans-Christoph Pape, Kai Sprengel
P45	What concomitant injuries must the spinal surgeon take into account in the severely injured patient? An analysis of 12,596 patients of the TraumaRegister DGU Author: Jakob Hax co authors: Sascha Halvachizadeh, Kai Oliver Jensen, Till Berk, Henrik Teuber, Teresa Di Primio, Rolf Lefering, Hans-Christoph Pape, Kai Sprengel
P46	Tracking of autologous mesenchymal stem cells after intravenous and intrathecal transplantation in patients with spinal cord injury Author: Marko Jug co authors: Luka Lezaic, Aljaz Socan, Matjaz Sever, Urban Svajger, Cene Kopac, Fajko Bajrovic
P47	Cost-effectiveness Analysis of Conservative Treatment, Vertebroplasty and Balloon Kyphoplasty in Patients with Acute Osteoporotic Vertebral Compression Fractures in South Korea Author: Haewon Jeong co authors: Hee-Jung Son, Sung Hoon Choi, Young-Hoon Jo, Ji Won Jung, Myoung Geun Lee, Incheol Kook, Sang Hoon Park, Chang-Nam Kang
P48	L5 BURST FRACTURES: FUNCTIONAL AND RADIOLOGIC OUTCOMES OF VARIOUS SURGERY TECHNIQUES Author: Sergey Likhachev co authors: Vladimir Zaretskov, Vladislav Arsenievich, Vladimir Ostrovskij, Alexey Shulga, Sergey Bazhanov
P49	A comparison of ballon kyphoplasty for vertebral compression fractures in patients with and without diffuse idiopathic skeletal hyperostosis Author: Kyouichi Sanada co authors: Hideki Ohta, Yoshiyuki Matsumoto, Yoshikuni Kida, Yohei Iguchi, Masato Tatsumi, Kenichi Tahara, Tatsuya Shibata, Shusuke Hagihara, Yoshiharu Takemitsu
P50	ANTERIOR SURGICAL CORRECTION OF RIGID POSTTRAUMATIC DEFORMITIES IN THORACIC AND LUMBAR SPINES Author: Vladimir Ostrovskij co authors: Alexey Shulga, Vladimir Zaretskov, Sergey Bazhanov, Sergey Likhachev, Aleksey Smolkin
QF64	The Influence of Pharmacological Osteoporosis Treatment on Refractures Following a Kyphoplasty Author: Imran Alam co authors: Mustasim Rumi
QF65	Percutaneous short fixation associated with kyphoplasty for burst fractures of the thoracolumbar spine: monoaxial versus polyaxial screws Author: Yann SABAH co authors: Nicolas Bronsard
07. Tumour (whole spine)
P51	Utility of the Spinal Instability Score in patients with spinal metastases: A single center study with 332 patients Author: Maximilian-Niklas Bonk
P54	IS CERVICAL OSTEOID OSTEOMA A WORTH REVISITING TOPIC? SIXTEEN CASES FOLLOWED 1 TO 33 YEARS Author: Matías Alfonso Olmos-García co authors: Jesús Payo Ollero, Victoria Moreno Figaredo, Rafael González Díaz, Rosa María Egea Gámez, Rafael Llombart Blanco, Mikel San Julián, Carlos Villas Tomé
P55	CERVICAL SPINE METASTASES. SURGICAL TREATMENT AND FACTORS ASSOCIATED WITH SURVIVAL Author: Manuel Ramírez co authors: Cristina García, Ana García de Frutos, Sleiman Haddad, Susana Núñez, Antonia Matamalas, Alba Pons, Ferran Pellisé
P58	The Safety of Minimally Invasive Percutaneous Pedicle Screw Fixation for the Management of Spinal Metastatic Disease Author: Chadi Tannoury co authors: Indeevar Beeram, Aziz Saade, Rahul Bhale, tony Tannoury
P59	SORG algorithm to predict 3- and 12-month survival in metastatic spinal disease: A Cross-Sectional Population-Based Retrospective Study. Author: Gregory Zegarek co authors: Enrico Tessitore, Aria Nouri, Karl Schaller, Renato Gondar
08. Infection (whole spine)
P60	A Rare Case of Bilateral Psoas Haematoma, Following Extracorporeal Membranous Oxygenation in a Patient with Severe COVID-19 (SARS CoV-2) Author: Simran Gill co authors: Megan Papworth, Evangelos Fragkakis, Darren Lui, Timothy Bishop
P61	Bioactive silicon nitride implants through surface modification Author: Ioannis Katsaros co authors: Ken Welch, Wei Xia, Cecilia Persson, Håkan Engqvist
P62	Implant removal in surgical site infection after posterior stabilization of the spine: when do we have to? Author: Markus Konieczny co authors: Max Prost, Joachim Windolf
P63	RISK FACTORS FOR SURGICAL SITE INFECTION: PATIENT’S CHARACTERISTICS Author: Susana Núñez-Pereira co authors: Alberto Hernández-Fernández, Jose Antonio Iribarren-Loyarte, María Jesús Bustinduy-Odriozola
P64	External contamination more often causes early, deep wound Infections in lumbosacral fusions than surgical contamination or haematogenous infection Author: Brett Rocos co authors: Stephen Lewis, Raja Rampersaud
09. Adult deformity (whole spine)
P66	Assessment of dynamic postural alterations during walking in patients with adult spinal deformity Author: Guillaume Rebeyrat co authors: Wafa Skalli, Abir Massaad, Helene Pillet, Karl Semaan, Eddy Saad, Ismat Ghanem, Gaby Kreichati, Rami Rachkidi, Ayman Assi
P67	The Role of Sagittal Pelvic Morphology in the Development of Adult Degenerative Scoliosis Author: Steven de Reuver co authors: Philip van der Linden, Moyo Kruyt, Tom Schlösser, René Castelein
P68	Three dimensional analysis of axial vertebral rotation in an asymptomatic population allows better understanding of scoliosis. Author: Jean Charles LE HUEC co authors: Stephane BOURRET, Sonia RAMOS-PASCUAL, Mo SAFFARINI, Tamàs ILLES, Nam-Su CHUNG
P69	Selection of the optimal distal fusion level for Scheuermann kyphosis with different curve patterns: when can we stop above the sagittal stable vertebra? Author: Yanjie Xu co authors: Zongshan Hu, Zezhang Zhu, Yong Qiu
P70	Global Alignment and Proportion (GAP) Score in Asymptomatic Subjects: Is It Universal? Author: Zhen Liu co authors: Hongru Ma, Zongshan Hu, Zezhang Zhu, Winnie Chiu Wing Chu, Tsz Ping Lam, Yong Qiu, Jack Chun Yiu Cheng
P71	The Effect of Upper Instrumented Vertebra Level (T9 vs T10) on Radiologic and Functional Outcomes in the Surgical Treatment of Adult Spinal Deformity in Osteoporotic Patients over 60 years of age Author: Sina Coskun co authors: Sinan Kahraman, Mustafa Eltayep, Recep Dincer, Ahmet Ates, Tunay Sanli, Ayhan Mutlu, Seray Gur, Selhan Karadereler, Meric Enercan, Azmi Hamzaoglu
P72	Cervicothoracic-Upper Thoracic Three-Column Osteotomy for Treatment of Proximal Junctional Failures Following Adult Spinal Surgery Author: Recep Dincer co authors: Sina Coskun, Ahmet Ates, Mustafa Eltayep, Ugur Tasci, Seray Gur, Ayhan Mutlu, Tunay Sanli, Sinan Kahraman, Selhan Karadereler, Meric Enercan, Azmi Hamzaoglu
P73	The parallelogram effect of degenerative structures around the apical vertebra in patients with adult degenerative scoliosis: the correlation between multifidus muscle atrophy, spinopelvic parameters and severity of deformity Author: Xiangyao Sun co authors: Chao Kong, Shibao Lu
QF22	The Impact of Unplanned Reinterventions Following ASD Surgery Author: Ferran Pellisé co authors: Alba Vila-Casademunt, Maria Capdevila-Bayo, Susana Núñez-Pereira, Aleix Ruiz-De Villa, Sleiman Haddad, Javier Pizones, Frank Kleinstück, Manuel Ramírez-Valencia, Ibrahim Obeid, Ahmet Alanay, Anne Mannion, ESSG European Spine Study Group
QF25	RELATIONSHIP BETWEEN ADULT SPINAL DEFORMITY SURGERY AND EMPLOYMENT, SICK LEAVES, RETURN TO WORK AND EARLY RETIREMENT: MINIMUM 5 YEARS FOLLOW-UP STUDY Author: Altug Yucekul co authors: Caglar Yilgor, Tais Zulemyan, Yasemin Yavuz, Javier Pizones, Ibrahim Obeid, Frank Kleinstueck, Francisco Javier Sanchez Perez-Grueso, Ferran Pellisé, Ahmet Alanay, European Spine Study Group ESSG
QF26	Can Lumbopelvic Parameters Be Used To Predict Thoracic Kyphosis? Author: Yann Philippe Charles co authors: Federico Solla, Sébastien Pesenti, Benjamin Blondel, Solène Prost, Georges Abi Lahoud, Jonathan Lebhar, Vincent Challier, Erik André Sauleau, Brice Ilharreborde
QF28	Association Between Cervical Muscles Function and Radiographs Parameters in Patients With Cervical Kyphosis: A Case Control Study with Surface Electromyography Assessment Author: Dian Wang co authors: Tianhua Rong, Baoge Liu
QF29	Relationship between Spinal Sagittal Imbalance and Neck Symptoms - Locomotive syndrome and health outcome in Aizu cohort study (LOHAS) - Author: Kazuyuki Watanabe co authors: Koji Otani, Miho Sekiguchi, Takuya Nikaido, Kinshi Kato, Hiroshi Kobayashi, Ryoji Tominaga, Junichi Handa, Shoji Yabuki, Shin-ichi Kikuchi, Shin-ichi Konno
10. Growing spine
P75	Spondylolisthesis in young patients: postoperative functional outcomes at 22 years mean follow-up. Author: Giuseppe Barone co authors: Laura Scaramuzzo, Fabrizio Giudici, Francesco Manzini, Leone Minoia, Marino Archetti, Antonino Zagra
P76	Advantages of preoperative planning for iliosacral screw placement using intraoperative navigation systems in the treatment of paediatric neuromuscular scoliosis. Author: Jasper De Geyter co authors: Sebastiaan Schelfaut, Thijs Ackermans, Simon Moustie , Lieven Moke , Pierre Moens
P77	Posterior Three-column Osteotomy for Treatment of Congenital Kyphosis with Multiple Thoracolumbar/lumbar (TL/L) Anterior Unsegmented Vertebrae (AUVs): A Comparison between Patients with Increasing Number of AUVs Author: Saihu Mao co authors: Song Li, Yanyu Ma, Yitong Zhu, Zezhang Zhu, Benlong Shi, Jun Qiao, Zhen Liu, Yong Qiu
P78	A Matched Case-Control Study of the Free Pelvis vs the classical Very-Rigid Sforzesco Brace in 436 High Degree AIS not previously braced Author: Stefano Negrini co authors: Fabrizio Tessadri, Francesco Negrini, Marta Tavernaro, Fabio Zaina, Andrea Zonta, Sabrina Donzelli
P79	Does The Etiological Diagnosis Of Early Onset Scoliosis (EOS) Determine The Distractibility Of Magnetically Controlled Growing Rods (MCGR)? Author: Nigil Palliyil
P80	Posterior Corrective Surgery for Type II Congenital Kyphosis: SRS-Schwab Grade 4 Osteotomy or Vertebral Column Resection? Author: Yong Qiu co authors: Hongru Ma, Benlong Shi, Dun Liu, Wanyou Liu, Huang Yan, Saihu Mao, Zhen Liu, Xu Sun, Zezhang Zhu
P82	Which Factors Affect the Magnitude of Fractional Lumbosacral Curve After Posterior Cobb to Cobb Fusion for Lenke Type 5 Curves in AIS? Author: Ahmet Ates co authors: Recep Dincer, Sina Coskun, Mustafa Eltayep, Seray Gur, Ugur Tasci, Ayhan Mutlu, Tunay Sanli, Sinan Kahraman, Selhan Karadereler, Meric Enercan, Azmi Hamzaoglu
P83	Self Sliding Growth Guidance for Early-Onset Scoliosis: Clinical and Radiological Results After a Minimum of Five Years (5-13) of Follow-up Author: Mustafa Eltayep co authors: Recep Dincer, Ahmet Ates, Sina Coskun, Ugur Tasci, Ayhan Mutlu, Seray Gur, Sinan Kahraman, Tunay Sanli, Selhan Karadereler, Meric Enercan, Azmi Hamzaoglu
P84	Comparison of Pulmonary Functions in Double Major Idiopathic Scolioisis Patients Operated Using either Hybrid or Anterior Vertebral Body Tethering Techniques After minimum 2 Years Follow-up Author: Sinan Kahraman co authors: Sanem Eryilmaz Polat, Sina Coskun, Recep Dincer, Mustafa Eltayep, Ahmet Ates, Ugur Tasci, Ayhan Mutlu, Tunay Sanli, Meric Enercan, Selhan Karadereler, Azmi Hamzaoglu
P85	Pulmonary Functions After Self Sliding Growth Guidance for Early-Onset Scoliosis with Minimum Five (5-13) Years of Follow-up Author: Sinan Kahraman
P86	Clinical and Radiologic Outcomes and Pulmonary Functions After Vertebral Body Tethering for Immature Adolescent Idiopathic Scoliosis: Minimum 2 Years follow up Author: Mustafa Eltayep co authors: Sinan Kahraman, Ahmet Ates, Recep Dincer, Sina Coskun, Ugur Tasci, Seray Gur, Ayhan Mutlu, Sanem Eryilmaz Polat, Tunay Sanli, Selhan Karadereler, Meric Enercan, Azmi Hamzaoglu
P87	Use of Single-Size All Poly-axial screw Construct in Idiopathic Scoliosis Deformity Corrections Author: Mangattil Rajesh co authors: Pranav Shah, Fady Sedra, Ramesh Nadarajah, Alexander Montgomery, Arun Ranganathan
P89	The evolution of compensatory curve in young patients undergoing lumbosacral hemivertebra resection and short fusion Author: Yu Wang
QF55	IS THORACOSCOPIC VBT A PULMONARY FUNCTION DECLINING OR IMPROVING SURGERY? Author: Caglar Yilgor co authors: Burcu Akpunarli, Altug Yucekul, Kadir Abul, Peri Kindan, Gokhan Ergene, Sahin Senay, Tais Zulemyan, Yasemin Yavuz, Ahmet Alanay
12. Minimal invasive spine surgery (MISS)
P90	Evaluation of Cage Subsidence in Standalone Lateral Lumbar Interbody Fusion: Novel 3D-printed Titanium versus Polyetheretherketone (PEEK) Cage Author: Dominik Adl Amini co authors: Ichiro Okano, Lisa Oezel, Jiaqi Zhu, Erika Chiapparelli, Jennifer Shue, Andrew A. Sama, Frank P. Cammisa, Federico P. Girardi, Alexander P. Hughes
P91	Comparing Long-Term Outcomes Between Minimally Invasive Transforaminal Lumbar Interbody Fusion and Extreme Lateral Interbody Fusion in the Treatment of Low-Grade Degenerative Spondylolisthesis Author: Daniel Coban co authors: Stuart Changoor, Conor Dunn, Michael Pompliano, Kumar Sinha, Ki Hwang, Michael Faloon, Arash Emami
P92	Open Versus Minimally Invasive Transforaminal Lumbar Interbody Fusion in the Treatment of Two-Level Degenerative Disc Disease Author: Daniel Coban co authors: Stuart Changoor, Conor Dunn, Michael Pompliano, Kumar Sinha, Ki Hwang, Michael Faloon, Arash Emami
P93	Does Obesity Affect Long-Term Outcomes of Minimally-Invasive Transforaminal Lumbar Interbody Fusion? Author: Daniel Coban co authors: Stuart Changoor, Conor Dunn, Michael Pompliano, Kumar Sinha, Ki Hwang, Michael Faloon, Arash Emami
P94	Open versus Minimally Invasive Transforaminal Lumbar Interbody Fusion: A Matched Cohort Analysis with Five- Year Follow-Up Author: Daniel Coban co authors: Stuart Changoor, Conor Dunn, Michael Pompliano, Kumar Sinha, Ki Hwang, Michael Faloon, Arash Emami
P95	Comparing Long-Term Outcomes Between Minimally Invasive Transforaminal Lumbar Interbody Fusion (TLIF) and Extreme Lateral Interbody Fusion (XLIF) in the Treatment of Lumbar Spinal Disorders Author: Daniel Coban
P96	Risk factors affected the facet joint violation during minimal invasive spinal surgery Author: Worawat Limthongkul co authors: Weerasak Singhatanadgige, Peeradon Jaruprat
P97	Percutaneous Uniportal versus Biportal Endoscopic Posterior Cervical Foraminotomy for Unilateral Cervical Radiculopathy with Cervical Foraminal Disc Disease Author: Min-Seok Kang co authors: Hyun-Jin Park, In Seok Son
P100	Lumbar Lordosis Correction Following The Minimally Invasive Anterolateral Antepsoas (ATP) Fusion Technique Author: Tony Tannoury co authors: Avilash Das, Aziz Saade, Varun Singh, Rahul Bhale, Chadi Tannoury
P101	Open-door laminoplasty and fixation via unilateral approach for multi-level degenerative cervical myelopathy. A feasibility study Author: Gregor Schmeiser co authors: Janina Isabel Bergmann, Luca Papavero, Ralph Kothe
QF71	Cost-effectiveness of Open Transforaminal Lumbar Interbody Fusion (OTLIF) versus Minimally Invasive Transforaminal Lumbar Interbody Fusion (MITLIF): A Systematic Review. Author: Ruud Droeghaag co authors: Sem Hermans, Inge Caelers, Silvia Evers, Wouter van Hemert, Henk van Santbrink
QF72	Fusion Rate Following the Minimally Invasive Antepsoas (MIS-ATP) Technique for Lumbar and Lumbosacral Arthrodesis: a retrospective study Author: Tony Tannoury co authors: Aziz Saade, Rahul Bhale, Chadi Tannoury
QF73	Minimally invasive sacroiliac joint fusion versus conservative treatment in patients with sacroiliac joint dysfunction: a systematic review and meta-analysis Author: Sem M. M. Hermans co authors: Ruud Droeghaag, Martijn G.M. Schotanus, Henk van Santbrink, Wouter L.W. van Hemert, Inez Curfs
QF75	Clinical performance of endoscopic lumbar decompression for the treatment of lumbar radiculopathy: a controlled evaluation of 28 cases with 1 year follow-up data Author: Babak Saravi1,2
13. New techniques
23	Low dose spinal anaesthesia reduces peri-operative opioid consumption in posterior cervical neck surgery Author: Andrew George co authors: John John, Sudarshan Munigangaiah, Sujay Dheerendra, Birender Balain, Jayesh Trivedi, Matthew Ockendon, Sarfraz Ahmad, Aashish Ghodke, Foz Kader
25	A prospective clinical trial of a modification to a standard surgical technique in lumbar fusion, shows improved lordotic correction Author: Shay Menachem co authors: Kevin Seex
P102	Treatment of Mature/Maturing AIS Patients (Sanders 5) Using a Novel Anterior Scoliosis Correction (ASC) Technique Author: Christopher Antonacci co authors: M. Darryl Antonacci, William P. Bassett, Laury A. Cuddihy, Allison R. Haas, Janet L. Cerrone, Dominique S. Haoson, Randal R. Betz
P103	Assessment of the Lower Lumbar Lordosis in Different Positions Using a Modular Table System in Patients Undergoing Spine Surgery Author: Soufiane Ghailane co authors: Rachid Saddiki, Jean-Etienne Castelain, Vincent Challier
P105	Cervical spinal fusion enabled by a ceramic implant in an animal model; ex vivo CT micromotion analysis Author: Maria Östman1 co authors: Peter Försth2, Håkan Engqvist3, Michael Pujari-Palmer4, Franck Forterre5, Olof Sandberg6, Patricia Hedenqvist7, Alejandro López8, Odd Höglund9
P106	Fluoro-registered Mazor X Stealth edition versus O-arm navigation: preliminary results of the first 21 patients Author: Marc Prod''homme co authors: Didier Grasset, Sébastien Lévy, Gilles Dietrich, Lionel Helfer, Duccio Boscherini
P107	Robotic Pedicle Screw Placement Accuracy in Spine Surgery Based on Neuromonitoring Thresholds Author: Charles Kanaly co authors: Danielle Backes, Christine Richardson, Brandon Bucklen
P108	Transforaminal Endoscopic Discectomy Under Conscious Sedation. Results And Outcomes In A Case Series Study Author: Vasileios Marougklianis co authors: Katzouraki Galateia, Eftychios Papagrigorakis, Spyridoula-Roberta Afrati, Dimitrios-Stergios Evangelopoulos, Spiros Pneumatikos
QF80	Behavior of 30º Upper Thoracic Curves After Thoracoscopic VBT for Main Thoracic Curves: A Matched Cohort Analysis Author: Ahmet Alanay co authors: Altug Yucekul, Atahan Durbas, Ilkay Karaman, Tais Zulemyan, Gokhan Ergene, Sahin Senay, Sule Turgut Balci, Pinar Yalinay Dikmen, Yasemin Yavuz, Caglar Yilgor
14. Diagnostics and imaging
P109	Axial loading during MRI induce lumbar foraminal area changes and may be useful in diagnostics of nerve root compromise Author: Helena Brisby co authors: Niklas Rydberg, John Hutchins, Kerstin Lagerstrand, Hanna Hebelka
P110	Dimensional Changes of the Neuroforamen Following Anterior Decompression of the Cervical Spine: A Micro-CT Investigation Author: Bryan W. Cunningham co authors: Daina M. Brooks, James W. Klunk, P. Justin Tortolani
P111	Global sagittal alignment parameters across ages Author: Yann Philippe Charles co authors: Eloïse Bauduin, Brice Ilharreborde, Sébastien Pesenti, Féthi Laouissat , Guillaume Riouallon , Ibrahim Obeid , Emmanuelle Ferrero , Erik André Sauleau, Benjamin Blondel
P112	Cervical sagittal alignment parameters across ages Author: Yann Philippe Charles co authors: Sébastien Pesenti, Benjamin Blondel, Jean-Charles Le Huec, Vincent Fière, Louis Boissière, Vincent Challier, Aymeric Faure, Erik André Sauleau, Brice Ilharreborde
P113	CT scan intraoperative navigation in spinal surgery: dosimetric assessment in current practices. Author: Thibault Cloche co authors: Stephane Bourret, Lisa Boue, Wendy Thompson, Laurent Balabaud, Jean Charles Le Huec
P114	Reproducibility and Reliability Analysis of the Luk Distal Radius and Ulna Classification for European Patients with Adolescent Idiopathic Scoliosis Author: SHAHNAWAZ HALEEM co authors: James Houston, Amy Chiang, Jason Bernard, Timothy Bishop, Darren Lui
P118	O-arm and Surgivisio use for percutaneous vertebral cementoplasty: a comparative study on 121 patients Author: Marc Prod''homme co authors: Jérôme Tonetti, Duccio Boscherini, Guillaume Cavalié, Alexandre Cech, Luca Tolosano, Didier Grasset, Mehdi Boudissa
P119	A comparison of the reliability and vulnerability of 3D sterEOS and 2D EOS when measuring the sagittal spinal alignment of patients with adolescent idiopathic scoliosis Author: Brett Rocos co authors: Masayoshi Machida, Karl Zabjek, Reinhard Zeller, David E. Lebel
P120	The normal appearance of CT myelograms Author: Brett Rocos
P121	EOS LOW-DOSE RADIATION IMAGING FOR SPINAL DEFORMITY: THE NEW GOLD STANDARD Author: Liam Rose co authors: Rachel Williams, Selma Al-Ahmad, Chris Fenner, Angelo Fragkakis, Cristina Lupu, Bisola Ajayi, Jason Bernard, Tim Bishop, Nikolaos Papadakos, Darren Lui
P122	How well do radiographic parameters correlate with patients’ shoulder cosmesis in congenital thoracic scoliosis? Author: Yanjie Xu co authors: Zhen Liu, Zongshan Hu, Yong Qiu, Zezhang Zhu
P123	DOES VERTEBRAL BODY TETHERING CAUSE DISC AND FACET JOINT DEGENERATION? AN MRI STUDY WITH MINIMUM 2-YEARS FOLLOW-UP Author: Altug Yucekul co authors: Burcu Akpunarli, Atahan Durbas, Tais Zulemyan, Irem Havlucu, Gokhan Ergene, Sahin Senay, Pinar Yalinay Dikmen, Sule Turgut Balci, Ercan Karaarslan, Yasemin Yavuz, Caglar Yilgor, Ahmet Alanay
QF45	The association of spinal lean muscle volume on lumbar spine MRI and regional volumetric bone mineral density measured by quantitative computed tomography Author: Erika A. Chiapparelli co authors: Ichiro Okano, Dominik Adl Amini, Jiaqi Zhu, Lisa Oezel, Ek T. Tan, Jennifer Shue, Federico P. Girardi, Frank P. Cammisa, Andrew A. Sama, Alexander P. Hughes
QF46	Deep learning pipeline for automated detection and classification of central canal, lateral recess and neural foraminal stenosis on lumbar spine MRI Author: Jiong Hao Tan co authors: Lei Zhu , Kaiyuan Yang, Hiroshi Yoshioka, Beng Chin Ooi , Diyaa Abdul Rauf Algazwi, Swee Tian Quek , James Thomas Patrick Decourcy , Naresh Kumar, Andrew Makmur , Yiong Huak Chan , Yun Song Choo , Sterling Ellis Eide , Yee Liang Thian , Qai Ven Yap
QF47	Spinal Cord Medial Safe Zone during C2 Pedicle Instrumentation: A MRI Measurement Analysis Author: Erika A. Chiapparelli co authors: Edward Bowen, Ichiro Okano, Stephan N. Salzmann, Marie-Jacqueline Reisener, Jennifer Shue, Andrew A. Sama, Frank P. Cammisa, Federico P. Girardi, Alexander P. Hughes
15. Non-operative treatment
50	How back pain intensity relates to Clinical and psychosocial factors in patients with idiopathic scoliosis Author: Javier Pizones co authors: Antonia Matamalas, Clara Figueras, Ferran Pellise, Jesus Betegon, Jose Miguel Sanchez-Marquez, Lucia Moreno-Manzanaro , Marta Esteban, Joan Bago
P124	Epidural Steroid Injections Are Only Superior On The Short Term Compared To Epidural Placebo Injections For Lumbar Radiculopathy Author: Eduard Verheijen co authors: Claire Bonke, Elianne Amorij, Carmen Vleggeert-Lankamp
P125	A Compliance Real-time monitoring System for the Management of the Brace Usage in Adolescent Idiopathic Scoliosis Patients: A Pilot Study Author: Ce Zhu co authors: Juehan Wang, Limin Liu, Yueming Song
QF81	Brace and Physiotherapeutic Scoliosis Specific Exercises (PSSE) for Adolescent Idiopathic Scoliosis (AIS) treatment: A prospective study following Scoliosis Research Society (SRS) criteria Author: Nikos Karavidas
QF82	Relationship of Kinesophobia with pain and quality of life in patients with idiopathic scoliosis Author: Javier Pizones co authors: Antonia Matamalas , Clara Figueras, Ferran Pellise, Jesus Betegon, Jose Miguel Sanchez-Marquez, Lucia Moreno-Manzanaro , Marta Esteban, Joan Bago
16. Complications and patient safety
26	The Nutritional Parameters as Predictor of Postoperative Complication in Elective Posterior Lumbar Interbody Fusion: A Single Institution Experience with 776 Patients. Author: Min-Seok Kang co authors: Tae-Hoon Kim
29	The Diagnostic Accuracy of MRI and non-enhanced CT for High-risk Vertebral Artery Anatomy for the Safety in Subaxial Anterior Cervical Spine Surgery Author: Ichiro Okano co authors: Stephan Salzmann, Fabian Winter, Erika Chiapparelli, Yushi Hoshino, Jennifer Shue, John Carrino, Andrew Sama, Frank Cammisa, Federico Girardi, Alexander Hughes
P126	2 TO 5-YEARS FOLLOW-UP RESULTS AFTER THORACOSCOPIC VBT: A SINGLE SURGEON’S EXPERIENCE Author: Ahmet Alanay co authors: Altug Yucekul, Kadir Abul, Ilkay Karaman, Atahan Durbas, Tais Zulemyan, Gokhan Ergene, Sahin Senay, Sule Turgut Balci, Pinar Yalinay Dikmen, Yasemin Yavuz, Caglar Yilgor
P127	Neurological events due to pedicle screw malpositioning with lateral fluoroscopy guided pedicle screw insertion Author: Inge Caelers co authors: Kim Rijkers, Sander Van Kuijk, Henk Van Santbrink, Rob De Bie, Wouter Van Hemert
P128	Risk factors for developing delirium after thoracolumbar spinal surgery Author: Haruka Emori co authors: Yusuke Oshita, Chikara Hayakawa, Koji Ishikawa, Ryo Yamamura, Hiroshi Maruyama, Akira Matsuoka, Yoshifumi Kudo, Toshiyuki Shirahata, Tomoaki Toyone, Katsunori Inagaki, tomoyuki ozawa
P129	Analysis of pedicle screw loosening in degenerative spine surgery Author: Michael Goetzen co authors: Daniel Koller, Peter Ferlic
P130	The impact of blood conservation techniques on transfusion requirements for posterior scoliosis corrections: Do we need a routine cross-match for the operation? Author: Shahnawaz Haleem co authors: Ravindra Thimmaiah, Neel Nagrath, Dinakar Gowda, Chandra Bhimarasetty, Jwalant Mehta
P132	The prevalence of in-hospital fall-related craniofacial and cervical spine trauma. Author: Yusuke OSHITA co authors: Haruka EMORI, Hiroshi MARUYAMA, Akira MATSUOKA, Kazuyuki SEGAMI , Yoshifumi KUDO, Masayori FUJITA, Toshiyuki SHIRAHATA, Koji KANZAKI, Tomoaki TOYONE
P133	A 2-year Retrospective Study of Data from A Regional Spine Centre to Evaluate Staff and Patients Compliance Regarding Data Entry to the British Spinal Registry Author: Emily Tsang co authors: Angelo Fragkakis, Cristina Lupu, Timothy Bishop, Jason Bernard, Darren Lui
P134	High pelvic incidence and gender increase risk of pedicle fracture after single level lumbar spinal fusion: a case-control study Author: Florian Wanivenhaus co authors: David Ephraim Bauer, Christoph Laux, Christoph Stern, Frédéric Cornaz, Oliver Wetzel, José Miguel Spirig, Michael Betz, Mazda Farshad
P135	Pulmonary Function in Idiopathic Scoliosis after Fusion and Non-Fusion Surgeries: A Matched Cohort Analysis Author: Caglar Yilgor
QF87	Radiation doses of sliding gantry CT-based as compared to mobile cone-beam CT-based navigated pedicle screw placement in a homogenous cohort Author: Sebastian Ille co authors: Lea Baumgart, Bernhard Meyer, Sandro Krieg
17. Epidemiology and medical economics
P136	Do Age-Related Variations Of Sagittal Alignment Rely On Spino-Pelvic Organization? Author: Solene Prost co authors: Benjamin Blondel, Sebastien Pesenti, Brice Ilharreborde, Fethi Laouissat, Vincent Challier, Louis Boissière, Erik Sauleau, Yann-Philippe Charles
P137	The relationship between exercise-induced low back pain and the fat infiltration rate of paraspinal muscles Author: Masataka Nakamura co authors: Koji Otani, Yota Kaneko, Miho Sekiguchi, Shin-ichi Konno
P138	Changing Pattern of Acute Spinal Referrals during Primary and Secondary waves of Covid-19 Pandemic: A comparative study Author: Rajib Naskar co authors: Trichy Rajagopal
QF84	No evidence for an effect of the first COVID-19 lockdown on neck pain and neck disability among Swiss office workers Author: Andrea M Aegerter co authors: Manja Deforth, Venerina Johnston, Gisela Sjøgaard, Markus J Ernst, Hannu Luomajoki, Thomas Volken, Julia Dratva, Holger Dressel, Oliver Distler, Achim Elfering, Markus Melloh

show all postersresults: 158

01. Basic science: biology

02. Basic science: biomechanics

03. Craniocervical junction (all pathologies)

04. Degenerative (cervical)

05. Degenerative (thoracolumbar)

06. Trauma (whole spine)

07. Tumour (whole spine)

08. Infection (whole spine)

09. Adult deformity (whole spine)

10. Growing spine

12. Minimal invasive spine surgery (MISS)

13. New techniques

14. Diagnostics and imaging

15. Non-operative treatment

16. Complications and patient safety

17. Epidemiology and medical economics

show all posters
results: 158