EUROSPINE

Chairs:
Pedro Berjano, Milan, Italy
Hossein Mehdian, London, UK

13:00-13:05
Welcome & Course Objectives
Pedro Berjano, Milan, Italy and Hossein Mehdian, London, UK

13:05-13:15
Transnasal endoscopic approach to C0–C2
Francesco Zenga, Torino, Italy

13:17-13:27
Transoral approaches to C0–C2
Dezsö J. Jeszenszky, Zurich, Switzerland

13:29-13:39
Retropharingeal approach to C0–C2
Dezsö J. Jeszenszky, Zurich, Switzerland

13:39-13:54
Q & A – Discussion Session

13:55-14:05
One step beyond in anterior approaches to C2–C7
Luca Papavero, Hamburg, Germany

14:07-14:17
Anterior approaches to the cervicothoracic junction (sternotomy, manubriotomy)
Benjamin Blondel, Marseilles, France

14:17-14:32
Q & A – Discussion Session

14:32-14:45
COFFEE BREAK

14:45-15:45
Hands-on Demonstration section (parallel rotations in groups)
4–5 Consecutive hand-on demonstrations by Faculty and Medical Technology Experts

15:45-15:55
Anterior approaches to the thoracic spine
Ciaran Bolger, Dublin, Ireland

15:57-16:07
Thoracoabdominal approaches
Hossein Mehdian, London, UK

16:09-16:19
MIS approach for thoracolumbar and lumbar corpectomy
Pedro Berjano, Milan, Italy

16:19-16:40
Q & A – Discussion Session

16:40-16:50
MIS Transpsoas lumbar approach
Michael Breitenfelder, Ludwigshafen, Germany

16:52-17:02
MIS Ante-psoas lumbar approach
Gerd Bordon, Valencia, Spain

17:04-17:14
Transperitoneal and retroperitoneal anterior aproach to L3–S1
Dick J. Zeilstra, Zwolle, Netherlands

17:16-17:26
L5–S1 ALIF in the lateral position
Richard Assaker, Lille, France

17:26-17:40
Q & A – Discussion Session

17:40-17:45
Adjourn

Chairs:
Doniel Drazin, Kirkland, USA
J. Patrick Johnson, Los Angeles, USA

13:00-13:05
Welcome, Introductions, Course Overview
Doniel Drazin, Kirkland, USA and J. Patrick Johnson, Los Angeles, USA

13:05-13:20
Accuracy and Learning Curves in Spinal Navigation
Bernhard Meyer, Munich, Germany

13:20-13:35
Benefits and Expanded Indications for Spinal Navigation
Claudius Thomé, Innsbruck, Austria

13:35-13:50
Introducing the Role of Spinal Navigation in Clinical Practice
Peter Vajkoczy, Berlin, Germany

13:50-14:05
Navigating the Cervical Spine: Pearls and pitfalls
Ehab Shiban, Munich, Germany

14:05-14:20
Panel discussion of the disasters with navigation
Panel Leader: J. Patrick Johnson, Los Angeles, USA
Panelists: All

14:20-14:35
The past, present and future of robotics in spine surgery
Veit Rhode, Goettingen, Germany

14:35-14:50
Robotics in spine surgery: an update
Enrico Tessitore, Geneva, Switzerland

14:50-15:05
Review of Spine Simulators and Mobile Device Applications
Avelino Parajon, Madrid, Spain

15:05-15:10
Q & A – Discussion Session

15:10-15:30
COFFEE BREAK

15:30-16:55
Hands-on Demonstration section: MIS Navigation/Robotics/Microscopes
5–7 Consecutive hand-on demonstrations by Faculty and Medical Technology Experts
Objectives:

• Illustration, appropriateness and application of the different systems
• Indication of benefits and use of the involved systems
• Demonstration of step-by-step pearls using the different systems

16:55-17:00
Closing remarks
Doniel Drazin, Kirkland, USA

Chair:
Anne Mannion and Emin Aghayev, Zurich, Switzerland

13:00-13:05
Introduction
Emin Aghayev, Zurich, Switzerland

13:05-13:20
Spine Tango registry report
Thomas Zweig, Bern, Switzerland

13:20-13:35
German registry report
Ehab Shiban, Munich, Germany

13:35-14:05
Registries – building a data backbone: Lesson from the US
Justine Norwitz, Seattle, USA

14:05-14:15
Can the European Spine Societies Advisory Board (EuSSAB) be a collaboration platform for Spine Tango?
Andrea Luca, Milan, Italy

14:15-14:40
COHERE, a large multinational HIV cohort: Achievements and lessons learned (Keynote speaker)
Stéphane De Wit, Brussels, Belgium

14:50-15:10
COFFEE BREAK

15:10-15:15
Perspective of a conservative therapist
Samuel Morris, Nottingham, UK

15:15-15:20
Perspective of an interventional therapist
Thomas Zweig, Bern, Switzerland

15:20-15:30
Shaping conservative spinal services with the Registry
Samuel Morris, Nottingham, UK

15:30-15:40
Variation in selection criteria and approaches to surgery for lumbar spinal stenosis among patients treated in Boston and Norway
Greger Lønne, Lillehammer, Norway

15:40-15:50
Lumbar spinal stenosis: Comparison of surgical practice variation and clinical outcome in three national spine registries
Greger Lønne, Lillehammer, Norway

15:50-16:00
A novel use of the Spine Tango registry to evaluate selection bias in patient recruitment into clinical studies: an analysis of patients participating in the Lumbar Spinal Stenosis Outcome Study (LSOS)
Hans-Jürgen Becker, Zurich, Switzerland

16:00-16:15
What could we do better to foster collective evidence generation on spinal treatments?
Emin Aghayev, Zurich, Switzerland

16:15-16:55
What should we do better to foster collective evidence generation on spinal tratment
Open discussion with Podium: J. Norwitz, P. Pereira, G. Lønne, J. Siewe, T. Zweig, E. Aghayev
Moderator: Anne F. Mannion

16:55-17:00
Review of the day and closing words
Anne F. Mannion, Zurich, Switzerland

Local Hosts:
Luis Alvarez Galovich, Ferran Pellisé, Juan Bago

EUROSPINE President:
Frank Kandziora, Frankfurt, Germany

The blinded peer review process of the Programme Committee
Stavros Stavridis, Thessaloniki, Greece, Chair Programme Committee 2018

Chairs:
Frank Kandziora, Frankfurt, Germany
Stavros Stavridis, Thessaloniki, Greece

1  QUALITY, SAFETY, AND VALUE OF INNOVATION IN SCOLIOSIS SURGERY: INTRAOPERATIVE SKULL FEMORAL TRACTION AND NAVIGATED SEQUENTIAL DRILLING
Alejandro Peiro-Garcia, Jonathan Bourget-Murray, Garielle Brown, Madalene Earp, David Parsons, Fabio Ferri-de-Barros
Department of Surgery, Division of Pediatric Orthopaedic Surgery; Alberta Children’s Hospital, University of Calgary, Canada

2  PREOPERATIVE PREDICTION OF COST AND CATASTROPHIC COST (CC) IN ADULT SPINE DEFORMITY (ASD) SURGERY: FEASIBILITY ANALYSIS OF PREDICTIVE ANALYTICS TO ESTABLISH 90 DAY BUNDLED PAYMENTS
Miquel Serra-Burriel, Justin S Smith, Jeffrey L Gum, Michael P Kelly, Ferran Pellisé, Ahmet Alanay, Emre R. Acaroglu, Francisco J. Sánchez Pérez-Grueso, Frank S. Kleinstueck, IbrahimObeid, Samrat Yeramaneni, Richard Hostin, Corinna Zygourakis, Virginie Lafage, Frank J.Schwab, Douglas C. Burton, Shay Bess, Christopher P. Ames, ESSG European Spine StudyGroup, ISSG International Spine Study Group
Vall d‘ Hebron Institut of Research (VHIR), Barcelona, Spain

3  WILL COST TRANSPARENCY IN THE OPERATING THEATRE CAUSE SURGEONS TO CHANGETHEIR PRACTICE
Andrew Glennie, Sean Barry, Jacob Alant, Bill Oxner, Sean Christie
Department of Surgery, Dalhousie University, Halifax, Nova Scotia, Canada

4  A DUAL SCREW TECHNIQUE FOR VERTEBRAL COMPRESSION FRACTURES USING ROBOTIC NAVIGATION IN THE OSTEOPENIC LUMBAR SPINE: AN IN-VITRO BIOMECHANICAL ANALYSIS
Michael Steinmetz, Jessica Riggleman, Jonathan Harris, John Butler, Chelsea Wright, Mir Hussain, Bryan Ferrick, Brandon Bucklen
Department of Neurosurgery, Cleveland Clinic Lerner College of Medicine, Ohio, USA;Musculoskeletal Education and Research Center, A Division of Globus Medical Inc., Audubon, Pennsylvania, USA; School of Medicine, Case Western Reserve University, Cleveland, Ohio, USA; School of Biomedical Engineering, Science and Health Systems, Drexel University, Philadelphia, Pennsylvania, USA

5  INCREASED RADIATION BUT NO BENEFITS IN PEDICLE SCREW ACCURACY USING INTRA- OPERATIVE CT BASED NAVIGATION COMPARED TO FREE HAND TECHNIQUE IN IDIOPATHIC SCOLIOSIS SURGERY
Wiktor Urbanski
Dept of Orthopaedic Surgery and Traumatology, University Hospital Wroclaw, Poland

6  PEDICLE SCREW PLACEMENT WITH AUGMENTED REALITY SURGICAL NAVIGATION USING INTRAOPERATIVE 3D IMAGING
Adrian Elmi-Terander, Erik Edstrom, Kyrre Pedersen, Halldor Skulason, Gustav Burström, Anastasios Charalampidis, Frederik Stahl, Michael Fagerlund, Michael Soderman, Paul Gerdhem
Karolinska University Hospital, Dept of Neurosurgery, Stockholm, Sweden

7  KINESIOTAPING IN THE TREATMENT OF CHRONIC MECHANICAL LOW BACK PAIN: A RANDOMIZED CLINICAL TRIAL
Lourdes Peñalver, Julio Domenech, Julia Schmitt, Javier Ballester, Alejandro Alvarez-Llanas,Juan Francisco Lison
Dept of Orthopedic Surgery and Rehabilitation, Valencia, Spain

8  COGNITIVE BEHAVIOURAL THERAPY SUPPORTED WITH INFORMATION AND COMMUNICATION TECHNOLOGIES IN THE TREATMENT OF CHRONIC LOW BACK PAIN: A RANDOMIZED CLINICAL TRIAL
Julio Domenech, Lourdes Peñalver, Eva Del Rio, Azucena Garcia-Palacios, Rocio Herrero,Aida Ezzedine, Cristina Botella, Julia Schmitt, Alejandro Alvarez-Llanas, Rosa Baños
Dept of Orthopedic Surgery, Valencia, Spain

9  SPINE SURGERY IN PATIENTS WITH LONG-TERM ORAL ANTICOAGULATION: A PROPENSITY SCORE MATCHED COHORT STUDY
Romy Sweda, Anne F Mannion, David O’Riordan, Daniel Haschtmann, Dezsö Jeszenszky, Tamás Fekete
Spine Center, Schulthess Klinik, Zurich, Switzerland; Medical University of Vienna, Vienna, Austria; Department of Cardiology, Bern University Hospital and University of Bern, Bern, Switzerland

Coffee Break in the Exhibition Area

Debate 1: eLearning, is it the future of spinal surgery education?

Moderation:
Emre Acaroglu, Ankara, Turkey

Pro:
Bernhard Meyer, Munich, Germany

Against:
Paulo Pereira, Porto, Portugal

Debate 2: Low Back Pain: How specific can it ever be?

Moderation:
Tamás Fekete, Zurich, Switzerland

Most Low Back Pain is non-specific (and should not be treated surgically)
Wilco Peul, Leiden & the Hague, Netherlands

Most Low Back Pain is specific (and can be treated successfully with surgery)
Tim Germon, Plymouth, UK

Cervical and Thoracolumbar Osteotomies
Learning from the Experts. Surgical Video Session in cooperation with OOT

Chairs:
Hossein Mehdian, London, UK
Klaus Schnake, Fuerth, Germany

Cervical Osteotomy: Preoperative Planning and Surgical Technique
Hossein Mehdian, London, UK

Discussion

Ponte osteotomies in the thoracic spine: Indications & Technique
Claudio Lamartina, Milan, Italy

Discussion

Thoracic hemivertebra resection for treatment of congenital scoliosis
Ibrahim Obeid, Bordeaux, France

Discussion

Pedicle subtraction osteotomy for the treatment of post-traumatic kyphosis
Klaus Schnake, Nurnberg, Germany

Discussion

Panel Discussion - Questions and Answers

Surgical Management of Spinal Disorders in Patients with Parkinson’s Disease

Chairs:
José Cavanilles Walker, Barcelona, Spain
Sleiman Haddad, Barcelona, Spain

What a spine surgeon should know about Parkinson’s disease?
Dolores Vilas, Barcelona, Spain Discussion

Spine pathologies in patients with Parkinson disease
JM Cavanilles-Walker, Barcelona, Spain

Discussion

Drop head Syndrome, is the neck deformity driver or compensatory?
Sleiman Haddad, Barcelona, Spain

Discussion

Challenges in Surgical treatment of Spinal disorders in Parkinson’s disease
Ibrahim Obeid, Bordeaux, France

Discussion

Chairs:
Dominique Rothenfluh, Oxford, UK
Enrico Tessitore, Geneva, Switzerland

QF1  COMPENSATORY MECHANISMS OF LOWER LIMB IN ADULT SPINAL DEFORMITY – IS THE ANKLE DORSIFLEXED OR PLANTER-FLEXED?
Mitsuru Takemoto, Takayoshi Shimizu
Dept of Orthopaedic and Spine Surgery, Kyoto City Hospital, Kyoto, Japan

QF2  GAIT ASSESSMENT IS IMPORTANT FOR POSTOPERATIVE EVALUATION OF CORRECTIVE FUSION FOR ADULT SPINAL DEFORMITY: A 2-YEAR FOLLOW-UP
Hideyuki Arima, Yu Yamato, Tomohiko Hasegawa, Daisuke Togawa, Go Yoshida, Tomohiro Banno, Shin Oe, Yuki Mihara, Hiroki Ushirozako, Yukihiro Matsuyama
Dept of Orthopedic Surgery, Hamamatsu, Japan

QF3  APPROPRIATE RESTORATION OF THE INDIVIDUALIZED SAGITTAL PLANE (GAP SCORE) AND PRESENCE OF SACROILIAC FIXATION INDEPENDENTLY DETERMINE MECHANICAL COMPLICATIONS AFTER 3-COLUMN OSTEOTOMIES
Caglar Yilgor, Suna Lahut, Yasemin Yavuz, kadir abul, Can Berk Asaroglu, Ibrahim Obeid, Frank S. Kleinstueck, Francisco Javier Sanchez Perez-Grueso, Emre Acaroglu, Ferran Pellise, Ahmet Alanay, European Spine Study Group
Department of Orthopedics and Traumatology, Acibadem Mehmet Ali Aydinlar University, Istanbul, Turkey; Comprehensive Spine Center, Acibadem Maslak Hospital, Istanbul, Turkey; Department of Biostatistics, Ankara University, Ankara, Turkey

QF4  IMPACT OF ADULT SCOLIOSIS ON THE TYPE OF SAGITTAL PROFILE
Javier Pizones, Montserrat Baldan-Martín, Francisco Javier Pérez-Grueso, Caglar Yilgor, Alba Vila-Casademunt, Ibrahim Obeid, Ahmet Alanay, Frank Kleinstück, Emre Acaroglu, Ferran Pellisé
Dept Orthopaedic Surgery, Spine Unit. Hospital Universitario La Paz, Madrid, Spain

QF5  THE STRATEGY OF TREATMENT SEVER ADULT SPINAL DEFORMITY (SASD) WITH RESPIRATORY FAILURE
Zhiyue Shi, Jingming Xie, Yingsong Wang, Ying Zhang, Ni Bi, Tao Li, Zhi Zhao
Department of Orthopedics, The 2nd Affiliated Hospital of Kunming Medical University, Yunnan Province, P. R. CHINA

QF6  SURGICAL VERSUS NON-OPERATIVE TREATMENT OF ADULT SPINAL DEFORMITY: A SYSTEMATIC REVIEW AND META-ANALYSIS
Dominique A. Rothenfluh, Marco Germann, David Kieser
University of Oxford, Oxford, UK

QF7  DEVELOPMENT OF DEPLOYABLE PREDICTIVE MODELS FOR MCID OF 2 YEAR OUTCOMES ACROSS ALL COMMONLY USED HRQOL INSTRUMENTS IN ADULT SPINAL DEFORMITY SURGERY: RESULTS IN 570 PATIENTS FROM 17 HOSPITAL
Miquel Serra-Burriel, Michael P Kelly, Justin S Smith, Jeffrey L. Gum, Ferran Pellisé, Ahmet Alanay, Emre R Acaroglu, Francisco J Sánchez Pérez-Grueso, 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 Vall d‘Hebron Institute of Research (VHIR), Barcelona, Spain

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
Sleiman Haddad, Miquel Serra-Burriel, Alba Vila-Casademunt, Francisco Javier Sánchez Pérez-Grueso, Shay Bess, Emre R. Acaroglu, JustinS. 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
Vall d‘Hebron Institute of Research (VHIR), Barcelona, Spain

QF9  WOULD SCREW-BASED LONG INSTRUMENTATION WITH S2AI LIMIT THE IMPROVEMENT OF HRQOL?
ChangChun Tseng, Zhen Liu, ZhiHui Zhao, Jie Li, Bin Wang, Yang Yu, Yong Qiu, ZeZhang Zhu Spine Surgery Drum Tower Hospital of Nangjing University Medical School, Nangjing 210008, China

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
Thomas Buell, James Nguyen, Marcus Mazur, Jeffrey Mullin, Juanita Garces, Davis Taylo, Chun-Po Yen, Mark Shaffrey, Christopher Shaffrey, Justin Smith Department of Neurosurgery, University of Virginia Health System, Charlottesville, Virginia, USA

QF11  EFFECT OF SATELLITE RODS CONSTRUCTION TO PREVENT ROD FRACTURES FOLLOWING 3-COLUMN OSTEOTOMY IN PATIENTS WITH ADULT SPINAL DEFORMITY
Yu Yamato, Tomohiko Hasegawa, Daisuke Togawa, Go Yoshida, Tomohiro Banno, Hideyuki Arima, Shin Oe, Yuki Mihara, Hiroki Ushirozako, Yukihiro Matsuyama
Dept of Orthopaedic Surgery, Hamamatsu University School of Medicine, Hamamatsu, Japan

QF12  ISYQOL DISCRIMINATES ADOLESCENTS WITH SPINAL DEFORMITIES SUBGROUPS BETTER THAN THE SRS-22 QUESTIONNAIRE
Fabio Zaina, Antonio Caronni, Sabrina Donzelli, Luciana Sciumè, Francesca Di Felice, Stefano Negrini
ISICO (Italian Scientific Spine Institute), Milan, Italy; Università degli Studi di Milano, Residency Program in Physical and Rehabilitation Medicine, Milan, Italy; Department of Neurorehabilitation Sciences, Casa di Cura del Policlinico, Milano, Italy; Department of Clinical and Experimental Sciences, University of Brescia, Italy; IRCCS Fondazione Don Gnocchi, Milan, Italy

QF13  OUTCOMES OF SYNDROMIC SCOLIOSIS PATIENTS TREATED WITH MAGNETICALLY CONTROLLED GROWTH RODS
Shahnawaz Haleem, David Kieser, Dan Mardare, Chrishan Thakar, Colin Nnadi
Spinal Unit, Oxford University Hospitals, Oxford, UK

QF14  CLINICAL AND RADIOLOGIC OUTCOMES OF POSTERIOR ONLY HEMIVERTEBRA RESECTION AND SHORT SEGMENT FUSION WITH PEDICLE SCREW FIXATION IN CHILDREN YOUNGER THAN 5 YEARS: MINIMUM 10 YEARS FOLLOW-UP
Meric Enercan, Yunus Akman, Isik Karalok, Emel Kaya, Cem Sever, Yesim Erol, Tunay Sanli, Sinan Kahraman, Selhan Karadereler, Azmi Hamzaoglu
Istanbul Spine Center, Turkey

QF15  SPINAL GROWTH TETHERING AROUND THE APICAL VERTEBRAE LEADS TO ASYMMETRIC GROWTH AS A MECHANISM OF SPINAL DEFORMITY CORRECTION IN KYPHOSIS AND SCOLIOSIS
Alaaeldin Ahmad, Loai Aker, Ahmad Ghanem
Orthopedic, West Bank, Palestine

Chairs:
Werner Schmoelz, Innsbruck, Austria
Cornelia Neidlinger-Wilke, Ulm, Germany

QF16  HUMAN WHARTON’S JELLY CELLS ACTIVATE DEGENERATIVE NUCLEUS PULPOSUS CELLS IN VITRO
Zhihua Han, Yan Zhang, Liang Gao, Dike Ruan
Department of Orthopaedic Surgery, Navy General Hospital of PLA, Beijing, China

QF17  IDENTIFYING THE LINK BETWEEN TRP CHANNELS AND LOW BACK PAIN
Karin Wuertz-Kozak, Aleksandra Sadowska, Ermioni Touli, Wolfgang Hitzl, Oliver N. Hausmann
Institute for Biomechanics, ETH, Zurich, Switzerland

QF18  3'-UTR POLYMORPHISMS OF MTHFR AND TS ASSOCIATED WITH OSTEOPOROTIC VERTEBRAL COMPRESSION FRACTURE SUSCEPTIBILITY IN POSTMENOPAUSAL WOMEN
Tae-Keun Ahn, In-Bo Han
Dept of Orthopedic Surgery, CHA university, Seongnam, Korea

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
Christian Liebsch, Hans-Joachim Wilke
Institute of Orthopaedic Research and Biomechanics, Ulm, Germany

QF20  THE THREE-DIMENSIONAL DEFORMITY IN AIS DEPENDS ON THE TYPE OF CURVATURE
Ayman Assi, Mohammad Karam, Wafa Skalli, Claudio Vergari, Ziad Bakouny, Joeffroy Otayek, Aren Joe Bizdikian, Fares Yared, Nour Khalil, Khalil Kharrat, Ismat Ghanem
Faculty of Medicine, University of Saint-Joseph, Beirut

QF21  BIOMECHANICAL ANALYSIS OF A NOVEL CF/PEEK VERTEBRAL BODY REPLACEMENT IN COMBINATION WITH A SCREW AND ROD SYSTEM (CF/PEEK VS. TITANIUM)
Daniel Adler, Schmoelz Werner, Spicher Anna, Stephanie Goerke, Michael Akbar
Spine Center, Department of Orthopaedic Surgery, Trauma Surgery and Division of Spinal Cord Injury, Ruprecht-Karls-University Heidelberg, Germany

QF22  INTRA-WOUND APPLICATION OF VANCOMYCIN POWDER MAY INCREASE GR (-) WOUND INFECTIONS: A CASE-CONTROL STUDY
Emre Acaroglu, Prashant Adhikari, Vugar Nabi Nabiyev, Selim Ayhan, Selcen Yuksel, Selcuk Palaoglu
1 Ankara Spine Center, Ankara, Turkey; 2 Fellow spine surgeon, ARTES Spine Center at Acibadem Ankara Hospital, Ankara, Turkey; 3 Department of Orthopaedics and Traumatology, ARTES Spine Center at Acibadem Ankara Hospital, Ankara, Turkey; 4 Department of Neurological Surgery, ARTES Spine Center at Acibadem Ankara Hospital, Ankara, Turkey; 5 Department of Biostatistics, Yildirim Beyazit University, Ankara, Turkey; 6 Department of Neurological Surgery, ARTES Spine Center at Acibadem Ankara Hospital, Ankara, Turkey

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
Shih-Tien Wang, Po-Hsin Chou, Yu-Cheng Yao
Department of Orthopedic Surgery, School of Medicine, National Yang Ming University; Department of Orthopedic and Traumatology, Taipei Veterans General Hospital, Taipei, Taiwan

QF24  LYMPHOCYTE COUNT AT 4 DAYS POSTOPERATIVELY AND CRP LEVEL AT 7 DAYS POST- OPERATIVELY: RELIABLE AND USEFUL MARKERS FOR SURGICAL SITE INFECTION FOLLOWING INSTRUMENTED SPINAL FUSION
Eiichiro Iwata, Yusuke Yamamoto, Hideki Shigematsu, Hiroshi Nakajima, Masato Tanaka, Akinori Okuda, Yasuhito Tanaka
Nara City Hospital, Narashi, Japan

QF25  WHICH PARAMETERS OTHER THAN AND IN ADDITION TO NEUROLOGICAL STATUS ARE RELEVANT ON SURGICAL DECISION MAKING IN SPINAL TUBERCULOSIS?
Emre Acaroglu, Prashant Adhikari, Selcen Yuksel, Selim Ayhan, Bigyan Bhandari, Binod Bijukachhe
1 Ankara Spine Center, Ankara, Turkey; 2 Fellow Spine Surgeon, ARTES Spine Center, Ankara, Turkey & Consultant, Orthopedic & Spine Surgeon, Grande International Hospital, Kathmandu, Nepal; 3 Department of Biostatistics, Yildirim Beyazit University, Ankara, Turkey; 4 Department of Neurological Surgery, ARTES Spine Center at Acibadem Ankara Hospital, Ankara, Turkey; 5 Consultant, Orthopedic & Spine Surgeon, Grande International Hospital, Kathmandu, Nepal; 6 Director–Spine Services, Consultant, Orthopedic & Spine Surgeon, Grande Inter-national Hospital, Kathmandu, Nepal

QF26  INDICATORS FOR NON-ROUTINE DISCHARGE FOLLOWING CERVICAL DEFORMITY- CORRECTIVE SURGERY: RADIOGRAPHIC, SURGICAL, AND PATIENT-RELATED PREDICTORS
Peter Passias, Cole Bortz, Frank Segreto, Samantha Horn, Virginie Lafage, Jusitn Smith, Breton Line, Gregory Mundis, Khaled Kebaish, Michael Kelly, Themistocles Protopsaltis, Daniel Sciubba, Alexandra Soroceanu, Eric Klineberg, Douglas Burton, Robert Hart, Frank Schwab, Shay Bess, Christopher Shaffrey, Christopher Ames, International Spine Study Group
NYU Langone Orthopaedic Hospital, Dept of Orthopaedic Surgery, New York, USA; Hospital for Special Surgery, Dept of Orthopaedic Surgery, New York, USA; Department of Neuro- surgery, University of Virginia Medical Center, Charlottesville, USA; San Diego Center for Spinal Disorders, La Jolla, USA; Department of Orthopaedic Surgery, Johns Hopkins University School of Medicine, Baltimore, USA; Department of Orthopaedic Surgery, Washington University, St. Louis, USA; Department of Orthopaedic Surgery, University of Calgary, Calgary, Canada; Department of Orthopaedic Surgery, University of California, Davis, Davis, USA; Department of Orthopaedic Surgery, University of Kansas Medical Center, Kansas City, USA; Department of Orthopaedic Surgery, Swedish Neuroscience Institute, Seattle, USA; Rocky Mountain Scoliosis and Spine, Denver, USA

QF27  SIGNIFICANT DIFFERENCES IN MORBIDITY WHEN COMPARING ADVERSE EVENTS FOR CERVICAL AND LUMBAR SPINE SURGERY – PROSPECTIVELY GRADED WITH SAVES
Stian Solumsmoen, Rachid Bech-Azeddine
Dept. of Spine Surgery, Rigshospitalet-Glostrup, Copenhagen, Denmark

QF28  ANY VERTEBRAL SEGMENT MAY BE CHOSEN AS UPPER-INSTRUMENTED VERTEBRA IF IDEAL INDIVIDUALIZED SAGITTAL SHAPE AND ALIGNMENT IS REACHED
Ahmet Alanay, Suna Lahut, Yasemin Yavuz, Kadir Abul, Hatice H. Tanriover, Javier Pizones, Ibrahim Obeid, Frank C. K. Kleinstuck, Francisco Javier Sanchez Perez-Grueso, Emre Acaroglu, Ferran Pellise, Caglar Yilgor, ESSG European Spine Study Group
1 Department of Orthopedics and Traumatology, Acibadem Mehmet Ali Aydinlar University, Istanbul, Turkey; 2 Comprehensive Spine Center, Acibadem Maslak Hospital, Istanbul, Turkey; 3 Department of Biostatistics, Ankara University, Ankara, Turkey; 4 Spine Surgery Unit, Bordeaux University Hospital, Bordeaux, France; 5 Spine Surgery Unit, Hospital Universitari Vall d’Hebron, Barcelona, Spain; 6 Spine Center Division, Department of Orthopedics and Neurosurgery, Schulthess Klinik, Zurich, Switzerland; 7 Spine Surgery Unit, Hospital Universitario La Paz, Madrid, Spain; 8 Ankara ARTES Spine Center, Ankara, Turkey; 9 Vall Hebron Institute of Research (VHIR), Barcelona, Spain

QF29  IMETABOLISM OF THE INTERVERTEBRAL DISC CELLS UNDER THE INFLUENCE OF INFLAMMATORY FACTORS
Liudmila Bardonova, Evgenii Belykh, Vadim Byvaltsev, Mark Preul, Morgan Giers
1 Irkutsk State Medical University, Irkutsk, Russia; 2 Barrow Neurological Institute, Phoenix, USA; 3 Oregon State University, Corvallis, USA

QF30  UROGENITAL DYSFUNCTION AFTER CAUDA-EQUINA SYNDROME: A PROSPECTIVE LONG-TERM STUDY OF SPHINCTER AND SEXUAL FUNCTION
Adam Devany, Robert Crawford, Lennel Lutchman, Ruth Doherty, Nick Steele
Norfolk and Norwich University Hospitals, Norwich, UK

Chairs:
Aron Lazary, Budapest, Hungary
Elias Papadopoulos, Athens, Greece

QF31  PROSPECTIVE COMPARISON OF THE THERAPEUTIC VALUE OF PERIRADICULAR AND FACET JOINT INFILTRATIONS
Chris Lindemann, Felix Hochberger, Timo Zippelius, Alexander Hölzl, Patrick Strube Dept of Spine Surgery, Eisenberg, Germany

QF32  TOWARD A SURGICAL BABEL: A 4-NATION SURVEY ON VARIATIONS IN SURGICAL INDICATION FOR DEGENERATIVE SPINAL DISORDERS
Bertrand Debono, Luis Alvarez Galovich, Olivier Hamel, Guillaume Lonjon, Florian Ringel Dept of Neurosurgery, Capio-Clinique des Cèdres, Cornebarrieu, France

QF33  GENDER- AND AGE-SPECIFIC ANALGESIA FOR EARLY POSTOPERATIVE PAIN MANAGEMENT AFTER LUMBAR DECOMPRESSIVE SURGERY: A RANDOMIZED CLINICAL TRIAL
In-Soo Oh, Kee-Yong Ha, Young-Yul Kim, Sang-Il Kim
Dept of Orthopedic surgery, Incheon, Korea

QF34  THE RELATIONSHIP BETWEEN COMPENSATORY MECHANISMS OF RESIDUAL KYPHOTIC DEFORMITY AFTER OSTEOPOROTIC VERTEBRAL FRACTURES AND HEALTH-RELATED QUALITY OF LIFE
Keishi Maruo, Toshiya Tachibana, Fumihiro Arizumi, Kazuki Kushuyama, Kishima Kazuya, Shinichi Yoshiya
Dept of Orthopaedic Surgery, Nishinomiya, Japan

QF35  DELAYED PERCUTANEOUS VERTEBROPLASTY IS OF CLINICAL BENEFIT IN THE MANAGEMENT OF OSTEOPOROTIC VERTEBRAL COMPRESSION FRACTURES
Rory Morrison, Helen Vint, Cyrus Jensen, Paul Sanderson
1-4 Department of Orthopaedic Spinal Surgery, Newcastle Hospitals NHS Foundation Trust, Royal Victoria Infirmary, Richardson Road, Newcastle upon Tyne, UK; 2, 3 Spinal Unit, Department of Orthopaedics, Northumbria Healthcare NHS Foundation Trust, Woodhorn Lane, Ashington, Northumberland, UK

QF36  THE PREVALENCE OF INCIDENTAL AND SYMPTOMATIC LUMBAR SYNOVIAL FACET CYSTS
Stein Janssen, Paul Ogink, Joseph Schwab
Dept of Orthopaedic Surgery, Massachusetts General Hospital, Boston, USA

QF37  MICRO-DECOMPRESSION ALONE AS GOOD AS DECOMPRESSION PLUS INSTRUMENTED FUSION FOR LUMBAR DEGENERATIVE SPONDYLOLISTHESIS. A PRAGMATIC NON- INFERIORITY STUDY FROM THE NORWEGIAN REGISTRY FOR SPINE SURGERY
Ivar Magne Austevoll, Rolf Gjestad, Tore Solberg, Jens Ivar Brox, Kjersti Storheim, Frode Rekeland, Erland Hermansen, Kari Indrekvam, Christian Hellum
Kysthospitalet in Hagevik, Orthopedic Clinic, Haukeland University, Bergen, Norway

QF38  BACTERIA IN DISCS - PAIN CAUSING OR CONTAMINATION
Peter Fritzell, Hans Tropp, Bodil Jönsson, Olle Hägg, Paul Gerdhem, Per Ekman, Siv Andersson, Björn Knutsson, Anders Lundin, Christina Welinder-Olsson
Futurum Academy for Health and Care, Falun, Sweden

QF39  RE-OPERATION FOR RECURRENT LUMBAR DISC HERNITAION DOES NOT ADVERSELY AFFECT LONG TERM OUTCOME
Andreas Kiilerich Andresen, Christian Støttrup, Leah Carreon, Mikkel Ø. Andersen
Spine Surgery and Research, Spine Center of Southern Denmark, Middelfart, Denmark; Department of Clinical Research, University of Southern Denmark

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
Adisa Kursumovic, Stefan Rath
Department of Neurosurgery, Spinal Surgery and Interventional Neuroradiology, DONAU- ISAR Klinikum Deggendorf; Germany

QF41  ABDOMINAL TRUNK MUSCLE WEAKNESS IS ASSOCIATED WITH CHRONIC LOW BACK PAIN AND LOCOMOTIVE SYNDROME
Norihiro Oku, Satoshi Kato, Hideki Murakami, Satoru Demura, Noriaki Yokogawa, Takaki Shimizu, Ryo Kitagawa, Hiroyuki Tsuchiya
Department of Orthopaedic Surgery, Graduate School of Medical Sciences, Kanazawa University, Kanazawa, Japan

QF42  PARASPINAL MUSCLE, FACET JOINT, AND DISC PROBLEMS: RISK FACTORS FOR ADJACENT SEGMENT DEGENERATION AFTER LUMBAR FUSIONE
Jiin Kang, Unyoung Choi, Kyunghyun Kim, presented by Sunguk Kuh
Dept of Neurosurgery, Gangnam Severance Hospital, Seoul, South Korea

QF43  ADJACENT SEGMENT DISC DEGENERATION IS ASSOCIATED WITH THE INDIVIDUALIZED SAGITTAL SHAPE AND ALIGNMENT
Anne Mannion, Dominique A. Rothenfluh, Jeremy C. T. Fairbank, Yasemin Yavuz, Anand H Segar, Ahmet Alanay, Caglar Yilgor
Spine Center Devision, Department of Research and Development, Schulthess Klinik, Zurich, Switzerland; Oxford University Hospitals NHS Foundation Trust, Oxford, England; Department of Biostatistics, Ankara University, Ankara, Turkey; Department of Orthopedics and Traumatology, Acibadem Mehmet Ali Aydinlar University, Istanbul, Turkey

QF44  COMPARISON OF A LUMBAR GAP SCORE TO PI-LL MISMATCH TO PREDICT ADJACENT SEGMENT DISEASE IN THE DEGENERATIVE LUMBAR SPINE
Dominique A. Rothenfluh, Étienne Bourassa-Moreau, Ahmet Alanay, Caglar Yilgor University of Oxford, Oxford, UK

QF45  SEGMENTAL RECRUITMENT DURING FLEXION-EXTENSION MOTION AFTER CERVICAL DISC ARTHROPLASTY USING A MOBILE CORE PROSTHESIS
Avinash Patwardhan, Robert Havey, Saeed Khayatzadeh, Leonard Voronov, Gerard Carandang Musculoskeletal Biomechanics Laboratory, Edward Hines, Jr. VA Hospital, Hines, USA. Department of Orthopedic Surgery and Rehabilitation, Loyola University Medical Center, Maywood, USA

Coffee Break in the Exhibition Area

Chairs:
Paulo Pereira, Porto, Portugal
Baoge Liu, Beijing, China

10  PATIENT-REPORTED OUTCOMES AFTER SURGICAL TREATMENT FOR DEGENERATIVE DISORDERS OF THE CERVICAL SPINE: A LARGE-SCALE STUDY OF PROSPECTIVELY COLLECTED DATA
Anne F. Mannion, Hans-Jürgen Becker, Daniel Haschtmann, Tamás F. Fekete, Dezsö Jeszenszky, Markus Loibl, François Porchet, Frank Kleinstück
Schulthess Klinik, Zürich, Switzerland

11  IS LAMINECTOMY AND FUSION THE BETTER CHOICE FOR LONG SEGMENTS CERVICAL SPONDYLOTIC MYELOPATHY WITH SIGNAL CHANGES ON MAGNETIC RESONANCE IMAGING? A COMPARISON OF TWO POSTERIOR SURGERIES.
Jia Nan Zhang, Yong Fan, Qi Ning Wu, Ding Jun Hao
Xi’an Hong Hui Hospital, Xi’an, China

12  A COMPARISON OF POSTOPERATIVE CHANGES OF CERVICAL SAGITTAL ALIGNMENT AND BALANCE AFTER LAMINOPLASTY BETWEEN CSM AND OPLL PART II: IMPACTS ON NEURO- LOGIC IMPROVEMENT AND AXIAL NECK PAIN
Hironobu Sakaura, Atsunori Ohnishi, Akira Yamagishi, Tetsuo Ohwada
Dept of Orthopaedic Surgery, Amagasaki, Japan

13  THE REOPERATION RATES AFTER ANTERIOR FUSION AND LAMINOPLASTY OF THE CERVICAL SPINE: A 26-YEAR PERIOD SURVIVAL FUNCTION ANALYSIS
Ko Hashimoto 1,2, Toshimi Aizawa 1, Haruo Kanno 1, Eiji Itoi 1, Shoichi Kokubun 1
1 Dept. of Orthopaedic Surgery, Tohoku Univeristy Graduate School of Medicine, Sendai, Japan; 2 Dept. of Orthopaedic Surgery, Takeda General Hospital, Aizu-Wakamatsu, Fukushima, Japan

14  CAN POST-OPERATIVE CSVA, C2 SLOPE AND T1 SLOPE BE PREDICTED ACCURATELY IN CERVICAL DEFORMITY SURGERY?
Nicholas Stekas, Themistocles Protopsaltis, Justin Smith, Alex Soroceanu, Renaud Lafage, Brian Neuman, Han Jo Kim, Peter Passias, Greg Mundis, Eric Klineberg
Department of Orthopaedic Surgery, NYU Langone Orthopedic Hospital, NYU Langone Health, New York, USA

15  THE INFLUENCE OF CERVICAL SPONDYLOLISTHESIS ON CLINICAL PRESENTATION AND SURGICAL OUTCOME IN PATIENTS WITH DCM: ANALYSIS OF A GLOBAL COHORT
Aria Nouri, So Kato, George Yang, Joseph Cheng, Michael Fehlings
Department of Neurosurgery, University of Cincinnati College of Medicine, USA; Department of Neurosurgery, University of Toronto, Canada; Department of Orthopedic Surgery University of Tokyo, Japan

16  MORPHOMETRIC ANALYSIS AND SELECTION OF ALTERNATIVE C2 POSTERIOR INSTRUMENTATION IN THE CASES WITH HIGH RIDING VERTEBRAL ARTERY
Jong-Hyeok Park, Jae Taek Hong, Il Sup Kim
Department of Neurosurgery, Suwon, South Korea

17  COMPARATIVE STUDY OF SPINAL RECONSTRUCTION AFTER TOTAL EN BLOC SPONDYLECTOMY
Katsuhito Yoshioka, Hideki Murakami, Satoru Demura, Satoshi Kato, Noriaki Yokogawa, Takaki Shimizu, Norihiro Oku, Ryo Kitagawa, Hiroyuki Tsuchiya
Dept of Orthopaedic Surgery, Kanazawa, Japan

18  SYMPTOMATIC IMPLANT/CONSTRUCT FAILURE AFTER METASTATIC SPINE TUMOUR SURGERY
Naresh Kumar, Ravish Patel, Dhiraj Sonawane, Jonathan Tan, Nivetha Ravikumar, Barry Tan, Aravind Kumar
University Spine Centre, National University Hospital, Singapore
Dept of Orthopaedic Surgery, Kanazawa, Japan

19  TOTAL SPONDYLECTOMY FOR ENNEKING STAGE III GIANT CELL TUMOR OF THE MOBILE SPINE
Noriaki Yokogawa, Hideki Murakami, Satoru Demura, Satoshi Kato, Katsuhito Yoshioka, Takaki Shimizu, Norihiro Oku, Ryo Kitagawa, Hiroyuki Tsuchiya
Dept of Orthopaedic Surgery, Kanazawa Univ, Kanazawa, Japan

20  THE SURGICAL MARGINS AND COMPLETE RESECTION AS PREDICTORS OF LOCAL RECURRENCE AND SURVIVAL ON PRIMARY OSTEOSARCOMA OF THE SPINE: A SYSTEMATIC REVIEW
Bruno Pombo, Rómulo Silva, Filomena Ferreira, Margarida Areias, Ana Pinheiro, Paulo Gonçalves
Dept of Orthopaedics, Viana do Castelo, Portugal
Dept of Orthopaedic Surgery, Kanazawa Univ, Kanazawa, Japan

21  A NOVEL TREATMENT ALGORITHM FOR SPINAL METASTASES FROM KIDNEY AND THYROID CANCERS
Satoshi Kato, Hideki Murakami, Satoru Demura, Katsuhito Yoshioka, Noriaki Yokogawa, Takaki Shimizu, Norihiro Oku, Ryo Kitagawa, Hiroyuki Tsuchiya
Dept of Orthopaedic Surgery, Kanazawa University, Kanazawa, Japan

Exhibition Area & Entrance Foyer

Chairs:
Tamás Fekete, Zurich, Switzerland
Zdenek Klezl, Derby, UK

22  COMBINED MECHANICAL AND PRO-INFLAMMATORY STRESS CONTRIBUTES TO WEAKENING OF THE ANULUS FIBROSUS IN A BOVINE AF ORGAN CULTURE APPROACH Taryn Saggese, Lydia Moll, Kelly Wade, Anna Weigl, Graciosa Teixeira, Anita Ignatius, Hans-Joachim Wilke, Cornelia Neidlinger-Wilke
Institute of Orthopaedic Research and Biomechanics, Ulm, Germany

23  ASSOCIATION BETWEEN MULTIMORBIDITY AND THE TREATMENT OUTCOME IN SYMPTOMATIC LUMBAR SPINAL STENOSIS IN THE ELDERLY: RESULTS OF THE TWO-YEAR FOLLOW-UP OF THE LUMBAR STENOSIS OUTCOME STUDY (LSOS)
Maria Wertli, Isaac Gravestock, Ulrike Held, Johann Steurer, Jakob M. Burgstaller
1 Division of General Internal Medicine, Bern University Hospital, University of Bern, Bern, Switzerland; 2 Horten Centre for Patient Oriented Research and Knowledge Transfer, University of Zurich, Zurich, Switzerland; 3 Zurich University, Department of Biostatistics, Zurich, Switzerland

24  LONG TERM OUTCOME AFTER LUMBAR DISC HERNIATION SURGERY AT DIFFERENT AGES
Tobias Lagerbäck, Hans Möller, Paul Gerdhem
Department of Clinical Science, Intervention and Technology, Karolinska Institutet, Stockholm, Sweden

25  POSTOPERATIVE SICK LEAVE IS CORRELATED TO THE LENGTH OF PRE-OPERATIVE SICK LEAVE IN PATIENTS WITH HERNIATED LUMBAR DISC TREATED WITH DISCECTOMY
Mikkel Ø. Andersen, Carsten Ernst, Jesper Rasmussen, Søren Dahl, Leah Y. Carreon
Spine Surgery and Research, Spine Center of Southern Denmark, Middelfart, Denmark

26  INFERIOR OUTCOME AND INCREASING REOPERATION RATES WITH PROLONGED SYMPTOM DURATION IN LUMBAR DISC HERNIATION SURGERY.
Andreas Kiilerich Andresen, Christian Støttrup, Leah Carreon, Mikkel Ø. Andersen
Spine Surgery and Research, Spine Center of Southern Denmark, Middelfart, Denmark Department of Clinical Research, University of Southern Denmark

27  INTERSPINOUS PROCESS DISTRACTION COMPARED TO NONOPERATIVE CARE FOR MODERATE LUMBAR DEGENERATIVE DISC DISEASE
Hazem Eltahawy, Matthew Gornet, Alexander Bailey, Wayne Cheng, Rick Sasso, Edward Dohring, Sylvain Palmer, Jamal Taha, Francine Schranck, Anne Copay
St Mary Mercy Hospital, Livonia, USA

28  RESULTS OF A PROSPECTIVE, RANDOMIZED MULTI-CENTER STUDY WITH 2-YEAR FOLLOW-UP TO COMPARE THE PERFORMANCE OF DECOMPRESSION WITH AND WITHOUT INTERLAMINAR STABILIZATION
Joerg Franke 2, Michael Rauschmann 1, Sven Schmidt 1, Katharina Meiler 2, Matteo Mario Bonsanto 4, Steffen Sola 5
1 Orthopädie Sana Klinikum Offenbach; 2 Klinikum Magdeburg Universitätsklinikum Schleswig- Holstein, Klinik für Neurochirurgie, Lubeck; 4 Universitätsklinikum Schleswig-Holstein, Campus Lübeck; 5 Chirurgische Universitätsklinik Rostock, Germany

29  INTERTRANSVERSE FUSION RATES FOLLOWING NON-INSTRUMENTED LUMBAR FUSION. RESULTS FROM A RANDOMIZED DOUBLE BLIND CLINICAL TRIAL OF ABM/P-15 VERSUS ALLOGRAFT
Andreas Kiilerich Andresen, Michael Kjær Jacobsen, Annette Jespersen, Leah Carreon, Søren Overgård, Mikkel Ø. Andersen
Spine Surgery and Research, Spine Center of Southern Denmark, Middelfart, Denmark; Department of Orthopaedic Surgery and Traumatology, Odense University Hospital, Denmark; Department of Clinical Research, University of Southern Denmark

30  ADJACENT DISC DEGENERATION AFTER LUMBAR TOTAL DISC REPLACEMENT OR NON- OPERATIVE TREATMENT: A RANDOMISED STUDY WITH EIGHT-YEAR FOLLOW-UP
Håvard Furunes (1,2,3), Christian Hellum (4), Ansgar Espeland (5, 6), Jens Ivar Brox (2, 7), Milada Cvancarova Småstuen (1, 8), Linda Berg (9, 10), Kjersti Storheim (1)
1 FORMI, Oslo University Hospital, Norway; 2 University of Oslo, Norway; 3 Surgical dept, Gjøvik Hospital, Norway; 4 Division of Orthopaedic Surgery, Oslo University Hospital, Norway; 5 Dept of Radiology, Haukeland University Hospital, Norway; 6 Dept of Clinical Medicine, University of Bergen, Norway; 7 Dept for Physical Medicine and Rehabilitation, Oslo University Hospital, Norway; 8 Faculty of Health Sciences, Oslo Metropolitan University, Norway; 9 Dept of Radiology, Nordland Hospital, Norway; 10 Dept of Clinical Medicine, University of Tromsø, Norway

31  LUMBAR ARTIFICIAL DISC REPLACEMENT WITH A NOVEL CONTROLLED MOBILE CORE DEVICE: FIVE YEAR RESULTS FROM A RANDOMIZED CONTROLLED FDA TRIAL
Rolando Garcia, James Yue
Orthopedic Care Center, Aventura, USA

32  DOES A WEB-BASED SPINE PLATFORM FEATURING SOCIAL INTERACTION AND ANIMATED INFORMATION AFFECT PATIENT REPORTED OUTCOMES IN PATIENTS UNDERTAKING LUMBAR SPINE FUSION SURGERY? A RANDOMIZED CLINICAL TRIAL
Janni Strøm, Claus Vinther Nielsen, Lene Bastrup Jørgensen, Malene Laursen
Elective Surgery Centre, Silkeborg Regional Hospital, Denmark

Coffee Break in the Exhibition Hall

Chairs:
Tim Pigott, Liverpool, UK
Ferran Pellisé, Barcelona, Spain
Luis Alvarez, Madrid, Spain

New therapies to repair the neuronal hardware and improve functional recovery after spinal cord injury
Martin E. Schwab, Zurich, Switzerland

EUROSPINE: Past – Present – Future

Chairs:
Tim Pigott, Liverpool, UK
Ferran Pellisé, Barcelona, Spain
Luis Alvarez, Madrid, Spain

Frank Kandziora, Frankfurt, Germany,
EUROSPINE President 2018

Honorary Member:
Carlos Villanueva, Barcelona, Spain

Laudatio:
Ferran Pellisé, Barcelona, Spain

Presentation of Honorary membership certificate

Honorary Member:
Jií Dvoák, Zurich, Switzerland

Laudatio:
Anne Mannion, Zurich, Switzerland

Presentation of Honorary membership certificate

Adolescent Spinal Deformities and Treatment Options

Chairs:
Hossein Mehdian, London, UK
Ken Cheung, HongKong

Principles in the management of syndromal spinal deformities
Ken Cheung, Hong Kong

Discussion

Pre-operative planning, adding on and LIV selection for Lenke Type 1A
Hossein Mehdian, London, UK

Discussion

Minimally invasive and fussiness approach for the treatment AIS, “Is anterior surgery coming back”?
Ahmet Alanay, Istanbul, Turkey

Discussion

Treatment options in AIS with high magnitude curves; “Traction, PSO and PVCR”
Azmi Hamzaoglu, Istanbul, Turkey

Discussion

Refining your Osteotomy Technique

Chairs:
Pedro Berjano, Milan, Italy
Ibrahim Obeid, Bordeaux, France

The perfect PSO. Surgical maneuvers, tips and tricks for a brilliant surgical execution
Ahmet Alanay, Istanbul, Turkey

Discussion

Achieving lasting results. Construct durability in three-column osteotomies
Pedro Berjano, Milan, Italy

Discussion

A hard bone to bite. Complex osteotomies in multioperated patients
Ibrahim Obeid, Bordeaux, France

Discussion

This is not a single player concert. Organization, strategy and team for improved safety and outcomes
Ferran Pellisé, Barcelona, Spain

Discussion

Panel Discussion – Questions and Answers

Chairs:
Viola Bullmann, Cologne, Germany
Phil Sell, Leicester, UK

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?
Jin-Ho Hwang, Tae Hoon Kim, In Seok Son, Suk Ha Lee, Seung Woo Suh, Jin Ho Hwang
CM General Hospital, Dept of Orthopedic Surgey, Seoul, South Korea

34  EFFECT OF BODY MASS INDEX PERCENTILE ON CLINICAL AND RADIO-GRAPHIC OUTCOME AFTER POSTERIOR INSTRUMENTED FUSION FOR ADOLESCENT IDIOPATHIC SCOLIOSIS
Laura Scaramuzzo, Fabrizio Giudici, Giuseppe Barone, Leone Minoia, Marino Archetti, Domenico Ravier, Antonino Zagra
Spine Surgery Division 1, Milan, Italy

35  A CRITICAL THORACIC KYPHOSIS IS REQUIRED TO PREVENT SAGITTAL PLANE DETERIORATION IN SELECTIVE THORACIC FUSIONS IN LENKE I AND II AIS
Dominique A. Rothenfluh, Alexandra Stratton, Colin Nnadi, Nicolas Beresford-Cleary University of Oxford, Oxford, UK

36  LESS IS MORE: SIGNFICANT CORONAL CORRECTION OF AIS DEFORMITY PREDICTS THORACIC HYPOKYPHOSIS
Oded Hershkovich, Areena Dsouza, Paul Rushton, Edwared Bayley, Michael Grevitt
The Centre for Spinal Studies and Surgery (CSSS); Queen’s Medical Centre; Nottingham University Hospitals, UK

37  WHERE TO STOP DISTALLY IN LENKE MODIFIER C AIS WITH LUMBAR CURVE MORE THAN 60°: L3 OR L4?
Yong Qiu, Xiaodong Qin, Leilei Xu, Bangping Qian, Zhen Liu, Zezhang Zhu
Dept of Spine Surgery, Drum Tower Hospital of Nanjing University Medical School, China

38  SINGLE ROD INSTRUMENTATION FOR THE POSTERIOR CORRECTION AND FUSION OF NEUROMUSCULAR SCOLIOSIS
Farhaan Altaf, Hilali Noordeen, presented by Girish Swamy
Royal National Orthopaedic Hospital, Stanmore, London

39  COMPARATIVE STUDY OF MINIMALLY INVASIVE PERCUTANEOUS PEDICLE SCREW FIXATION AND OPEN SURGERY IN THE TREATMENT OF THORACOLLUMBAR FRACTURES
Yongyuan Zhang, Xiji Wang, Dingjun Hao, Honghui Sun
Department of Spine Surgery, Honghui Hospital, Xi’an Jiaotong University College of Medicine, Xi’an, Shaanxi, China

40  INTRAOPERATIVE STIMULATED AND SPONTANEOUS EMG MONITORING FOR IMPROVING THE ACCURACY AND SAFETY OF MINIMALLY INVASIVE PERCUTANEOUS LUMBOSACRAL SCREW PLACEMENT
Pablo Mendivil, Jesus Lafuente, Guillermo Vergara, Alberto Aleman, Nicolas Sampron Spinal Unit, Department of General Neurosurgery; Neurocentro Salta, IMAC Instituto Medico de Alta Complegidad; Salta, Argentina

41  DOES L4/5 POSE ADDITIONAL NEUROLOGIC RISK IN LATERAL LUMBAR INTERBODY FUSION?
Toshiyuki Shirahata, Stephan Salzmann, Oliver Sax, Jingyan Yang, Jennifer Shue, Andrew Sama, Cammisa Frank, Federico Girardi, Alexander Hughes
Department of Orthopedic Surgery, Spine and Scoliosis Service, Hospital for Special Surgery, New York, USA

42  A SYSTEMATIC REVIEW ON THE OUTCOMES OF ENDOSCOPIC DISCECTOMY AND MINIMAL INVASIVE DISCECTOMY COMPARED TO CONVENTIONAL MICRODISCECTOMY
Giuseppe Lambros Morassi, Sherief Elsayed, Nasir Quraishi
Centre for Spinal Studies and Surgery, Nottingham University Hospitals, Nottingham, UK

Coffee Break in the Exhibition Area

Chairs:
Ibrahim Obeid, Bordeaux, France
Serdar Kahraman, Istanbul, Turkey

43  ARE ALTERATIONS IN THORACIC KYPHOSIS AND LUMBAR LORDOSIS IN ASD MORE PRONOUNCED AT THE PROXIMAL OR DISTAL LEVELS?
Ayman Assi, Virginie Lafage, Wafa Skalli, Nour Khalil, Mario Mekhael, Renée Maria Saliby, Georges Kawkabani, Ziad Bakouny, Mohammad Karam, Aren Joe Bizdikian, Fares Yared, Chris Labaki, Joe Ghanimeh, Joeffroy Otayek, Georges Mjaess, Michel Salameh, Gaby Kreichati, Khalil Kharrat, Ismat Ghanem
Faculty of Medicine, University of Saint-Joseph in Beirut

44  EFFECTS OF RESTORING INDIVIDUALIZED SAGITTAL SHAPE AND ALIGNMENT ON MECHANICAL COMPLICATIONS AND PATIENT-REPORTED OUTCOMES IN ELDERLY PATIENTS FUSED TO PELVIS
Caglar Yilgor, Suna Lahut, Kadir Abul, Irem E. Sayin, Javier Pizones, Ibrahim Obeid, Frank Kleinstuck, Francisco Javier Sanchez, Perez-Grueso, Emre Acaroglu, Ferran Pellise, Ahmet Alanay, ESSG European Spine Study Group
1 Department of Orthopedics and Traumatology, Acibadem Mehmet Ali Aydinlar University, Istanbul, Turkey; 2 Comprehensive Spine Center, Acibadem Maslak Hospital, Istanbul, Turkey; 3 Department of Biostatistics, Ankara University, Ankara, Turkey; 4 Spine Surgery Unit, Bordeaux University Hospital, Bordeaux, France; 5 Spine Surgery Unit, Hospital Universitari Vall d’Hebron, Barcelona, Spain; 6 Spine Center Division, Department of Orthopedics and Neurosurgery, Schulthess Klinik, Zurich, Switzerland; 7 Spine Surgery Unit, Hospital Universitario La Paz, Madrid, Spain; 8 Ankara ARTES Spine Center, Ankara, Turkey; 9 Vall Hebron Institute of Research (VHIR) Barcelona-Spain

45  SCOLIOSIS CORRECTIVE SURGERY IMPACT ON HEALTH RELATED QUALITY OF LIFE
Louis Boissiere, 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
Bordeaux University Hospital, Bordeaux, France

46  RISK BENEFIT ASSESSMENT OF MAJOR VERSUS MINOR OSTEOTOMIES FOR FLEXIBLE AND RIGID CERVICAL DEFORMITY CORRECTION
Peter Passias, 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 Departments of Orthopaedic and Neurologic Surgery, NYU Langone Orthopedic Hospital/NY Spine Institute, New York, USA

47  COMPARISON OF BEST VERSUS WORST CLINICAL RESULTS IN THE ADULT DEFORMITY PATIENTS TWO YEARS AFTER CORRECTIVE LONG FUSION FROM THORACIC TO PELVIS
Daisuke Togawa, Shin Oe, Tomohiko Hasegawa, Yu Yamato, Go Yoshida, Tomohiro Banno, Hideyuki Arima, Yuki Mihara, Hiroki Ushirozako, Yukihiro Matsuyama
Div of Geriatric Musculoskeletal Health, Hamamatsu Univ. Japan

48  ROTEM-GUIDED TRANSFUSION DURING PEDICLE SUBTRACTION OSTEOTOMY FOR ADULT SPINAL DEFORMITY: A PROPENSITY SCORE-MATCHED COHORT ANALYSIS
Thomas Buell, Davis Taylor, Ching-Jen Chen, Jeffrey Mullin, Marcus Mazur, Chun-Po Yen, Mark Shaffrey, Justin Smith , Christopher Shaffrey, Bhiken Naik
Dept of Neurosurgery, University of Virginia Health System, Charlottesville, USA

49  COMPLICATIONS AFTER SPINOPELVIC FIXATION WITH ILIAC SCREWS IN 260 ADULT PATIENTS WITH 2-YEAR MINIMUM FOLLOW-UP
James Nguyen, Thomas Buell, Tony Wang, Jeffrey Mullin, Marcus Mazur, Chun-Po Yen, Christopher Shaffrey, Justin Smith
Department of Neurological Surgery, University of Virginia, Charlottesville, USA

50  PROBABILITY OF SEVERE FRAILTY DEVELOPMENT AMONG OPERATIVE AND NON-OPERATIVE ADULT SPINAL DEFORMITY PATIENTS: AN ACTUARIAL SURVIVORSHIP ANALYSIS OVER A 3-YEAR PERIOD
Peter Passias, Frank Segreto, Samantha Horn, Cole Bortz, Cheongeun Oh, Virginie Lafage, Renaud Lafage, Justin Smith, Alan Daniels, Breton Line
NYU Langone Orthopaedic Hospital, Departments of Neurological and Orthopaedic Surgery, Manhattan, USA

51  PREGNANCY AND CHILDBIRTH IN PATIENTS WITH IDIOPATHIC SCOLIOSIS
Sergey Kolesov, Alexander Stenkov, Andrey Panteleyev
N.N. Priorov Central Institute of Traumatology and Orthopedics, Moscow, Russia

For EUROSPINE members only!

Chairs:
Matti Scholz, Frankfurt Germany
Marco Teli, Liverpool, UK

52  CLINICAL AND RADIOLOGICAL OUTCOMES OF CONSERVATIVE TREATMENT FOR UNILATERAL SAGITTALLY SPLIT FRACTURES OF THE C1 LATERAL MASS
Jong-Beom Park, Young-Yul Kim
Dept of Orthopaedic Surgery, The Catholic University of Korea, Seoul, Korea

53  FUNCTIONAL OUTCOME OF ELDERLY PATIENTS TREATED FOR ODONTOID FRACTURE. A MULTICENTER STUDY
Giorgio Lofrese, Antonio Musio, Antonio Martucci, Roberto Donati, Federico De Iure, Francesco Cultrera, Pasquale De Bonis
Neurosurgery Division, Ospedale “M. Bufalini”, Cesena, Italy; Department of Spine Surgery, Ospedale Maggiore “C.A. Pizzardi”, Bologna, Italy; Neurosurgery Division, University Hospital S.Anna, Cona di Ferrara, Italy

54  THE WINDOW OF OPPORTUNITY FOR SURGICAL DECOMPRESSION IN PATIENTS WITH ACUTE TRAUMATIC CERVICAL SPINAL CORD INJURY
Marko Jug, Nata a Kej ar, Matej Cimerman, Fajko Bajrovi
Dept of Traumatology, Ljubljana, Slovenia

55  EARLY VERSUS DELAYED DECOMPRESSION FOR TRAUMATIC CERVICAL SPINAL CORD INJURY: APPLICATION OF THE AOSPINE SUBAXIAL CERVICAL SPINAL INJURY CLASSIFICATION SYSTEM TO GUIDE SURGICAL TIMING
Yong Fan, Jin Peng Du, Ding Jun Hao
Dept of Spine surgery, Xi;an China

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
Atsushi Tagami, Makoto Osaki, Keiichi Tsuda, Shinji Adachi, Shuta Yamada, Chieko Noguchi Dept of Orthopaedics Surgery, Nagasaki, Japan

57  PREDICTORS OF KYPHOTIC DEFORMITY AFTER POSTERIOR FIXATION FOR THORACOLUMBAR BURST FRACTURE
Masahiro Hirahata, Keisuke Ishii, Tomoaki Kitagawa Dept. of Orthop. Surg., Teikyo Univ., Tokyo, Japan

58  SPINAL PRIMARY PAIN GENERATOR IDENTIFICATION BY CT-SPECT
Gabriel Tender, Erin Fannin, Anthony DiGiorgio
Dept of Neurosurgery, LSU, New Orleans, USA

59  MULTIFIDUS MUSCLE MORPHOLOGY, FUNCTION AND BODY COMPOSITION IN UNIVERSITY LEVEL ICE HOCKEY PLAYERS WITH AND WITHOUT LOW BACK PAIN
Maryse Fortin, Amanda Rizk, Stephane Frenette, Mathieu Boily, Hassan Rivaz
1) PERFORM Centre, Concordia University, Montreal, Quebec, Canada; 2) Concordia University, Department of Electrical Engineering, Montreal, Quebec, Canada; 3) McGill University Health Centre, Department of Diagnostic Radiology, Montreal, Quebec, Canada

60  3D MODELING IN THE PLANNING OF SPINAL DEFORMITY SURGERIES
Sergey Kolesov, Alexander Stenkov, Andrey Panteleyev
N.N. Priorov Central Institute of Traumatology and Orthopedics, Moscow, Russia

61  THE CORRELATION ANALYSIS OF RADIOLOGIC PARAMETERS OF PELVIS WITH THE PELVIC INCIDENCE
Han-Dong Lee, Nam-Su Chung, Han-Dong Lee Dept of Orthopedic surgery, Suwon, South Korea

62  DOES PARASPINAL FATTY MUSCULAR DEGENERATION INFLUENCE SURGICAL INDICATION IN DEGENERATIVE LUMBAR LISTHESIS?
Christina Polan, Marcus Jäger, Marcel Haversath, Tjark Tassemeier
Orthopedic and Trauma Department, University Hospital Essen, Germany

Coffee Break in the Exhibition Area

The 2018 Best Podium Award will be evaluated out of the presentations 63-69 of this session.

The audience is asked to vote via the EUROSPINE app.

Chairs:
Margareta Nordin, Romorantin, France
Thomas Blattert, Schwarzach, Germany

63  NOVEL MUTATIONS OF CCDC40 ARE ASSOCIATED WITH THE INCIDENCE OF IDIOPATHIC SCOLIOSIS POSSIBLY VIA DEFECTIVE CEREBROSPINAL FLUID FLOW
Leilei Xu, Chao Xia, Yong Qiu, Zezhang Zhu
Department of Spine Surgery, the Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing, China

64  QUALITY OF LIFE IN 1519 TREATED OR UNTREATED MALES AND FEMALES WITH IDIOPATHIC SCOLIOSIS
Elias Diarbakerli, Anna Grauers, Aina Danielsson, Allan Abbott, Paul Gerdhem
Dept of Clinical Sciences, Intervention and Technology, Karolinska Institutet, Stockholm, Sweden

65  IMPACT OF SERIOUS ADVERSE EVENTS ON HEALTH-RELATED QUALITY OF LIFE MEASURES FOLLOWING SURGERY FOR ADULT SYMPTOMATIC LUMBAR SCOLIOSIS
Justin Smith, Christopher Shaffrey, Michael Kelly, Christine Baldus, Lawrence Lenke, Stephen Lewis, Stefan Parent, Shay Bess, Frank Schwab, Keith Bridwell
Dept of Neurosurgery, University of Virginia, Charlottesville, USA; Dept of Orthopedic Surgery, Washington University, St Louis, USA; Dept of Orthopedic Surgery, Columbia University, New York, USA; UHN-Orthopedics, Toronto Western Hospital, Toronto, Canada; Sainte-Justine University Hospital, Montreal, Canada; Denver International Spine Center, Presbyterian St. Luke’s/Rocky Mountain Hospital for Children, Denver, USA; Hospital for Special Surgery, New York, USA

66  IN-HOSPITAL COMPLICATION RATE FOLLOWING MICROENDOSCOPIC VERSUS OPEN LUMBAR LAMINECTOMY: A PROPENSITY SCORE-MATCHED ANALYSIS
Kazuhito Soma, Takeshi Oichi, Yasushi Oshima
Dept of Orthopedic Surgery, Tokyo, Japan

67  SUCCESSFUL CLINICAL OUTCOMES FOLLOWING SURGERY FOR SEVERE CERVICAL DEFORMITY ARE DEPENDENT UPON ACHIEVING SUFFICIENTCERVICAL SAGITTAL ALIGNMENT
Themistocles Protopsaltis, 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
Department of Orthopaedic Surgery, NYU Langone Orthopedic Hospital, NYU Langone Health, New York, USA

68  WHAT FACTORS CHARACTERIZE AN INDICATION FOR SURGERY IN LUMBAR SPINAL STENOSIS?
Anne F. Mannion, Miquel Serra-Burriel, Hans-Jürgen Becker, Selina Nauer, François Porchet, Frank Kleinstück, Jakob M Burgstaller, Daniel Haschtmann, Florian Brunner, Mazda Farshad, Tamas Fekete, Sebastian Winklhofer, LSOS-Group
Schulthess Klinik, Zürich, Switzerland; Horten Centre, Zürich, Switzerland; University Hospital Zürich, Zürich, Switzerland

69  OUTCOME EVALUATION: HRQOL VS PATIENT SATISFACTION
Susana Núñez-Pereira, Miquel Serra-Burriel, Alba Vila-Casademunt, Sleiman Haddad, Francesca Soler-Santasusagna, Juan Bagó, Francisco J. Sánchez Pérez-Grueso, Emre R. Acaroglu, Frank Kleinstueck, Ibrahim Obeid, Ahmet Alanay, Ferran Pellisé, ESSG European Spine Study Group
Vall d’Hebron Institute of Research (VHIR), Barcelona, Spain

Winner of 2018 Grammer/European Spine Journal Award

Kelly R. Wade, Meredith L. Schollum, Peter A. Robertson, Ashvin Thambyah, Neil D. Broom (2017)

A MORE REALISTIC DISC HERNIATION MODEL INCORPORATING COMPRESSION, FLEXION AND FACET-CONSTRAINED SHEAR: A MECHANICAL AND MICROSTRUCTURAL ANALYSIS. PART I: LOW RATE LOADING.
Eur Spine J; 26:2616–2628
Zhi Shan, Kelly R. Wade, Meredith L. Schollum, Peter A. Robertson, Ashvin Thambyah, Neil D. Broom (2017)

A MORE REALISTIC DISC HERNIATION MODEL INCORPORATING COMPRESSION, FLEXION AND FACET-CONSTRAINED SHEAR: A MECHANICAL AND MICROSTRUCTURAL ANALYSIS. PART II: HIGH RATE OR ‘SURPRISE’ LOADING.
Eur Spine J; 26:2629–2641

Max Aebi Award for Clinical Sciences 2017/2018

THE VALUE OF PATIENT GLOBAL ASSESSMENT IN LUMBAR SPINE SURGERY: AN EVALUATION BASED ON MORE THAN 90,000 PATIENTS
Catharina Parai, Olle Hägg, Bengt Lind, Helena Brisby
Eur Spine J (2018) 27: 554-563

Chairs:
Margareta Nordin, Romorantin, France
Thomas Blattert, Schwarzach, Germany

Chairs:
Margareta Nordin, Romorantin, France
Thomas Blattert, Schwarzach, Germany

Aging Spine – How to Achieve Optimal Results?

Chairs:
Klaus Schnake, Fuerth, Germany
Stavros Stavridis, Thessaloniki, Greece

Comorbidities in elderly patients (Anaesthetic view) – what surgeons should consider
Nicolai Goettel, Basel, Switzerland

Discussion

Dealing with osteoporotic bone – how to avoid complications?
Cordula Netzer, Basel, Switzerland

Discussion

Indications for surgical treatment in octogenarians
Yu-Mi Ryang, Munich, Germany

Discussion

Degenerative Instability – when to fuse in the elderly?
Philip Horsting, Nijmegen, Netherlands Discussion

Panel Discussion – Questions and Answers

Spondylolysis / Spondylolisthesis

Chairs:
Ferran Pellisé, Barcelona, Spain
Luigi Nasto, Genoa, Italy

Natural history, Pathophysiology and Treatment options
Ferran Pellise, Barcelona, Spain

Discussion

A systematic review of surgical techniques for treatment of Spondylolysis
Luigi Nasto, Milan, Italy

Discussion

Surgical treatment of adult Spondylolithesis
Azmi Hamzaoglu, Istanbul, Turkey

Discussion

High Grade L5/S1 Lytic Spondylolithesis: Update on Surgical Treatments
Hossein Mehdian, London, UK

Discussion

Panel Discussion – Questions and Answers

The Role of Spine Registries Today (Spine Tango)

Chairs:
Anne Mannion, Zurich, Switzerland
Emin Aghayev, Zurich, Switzerland

Introduction
Anne F. Mannion, Zurich, Switzerland

Why I am not registering: weaknesses, limitations, problems
Finn B. Christensen, Aarhus, Denmark

Why I am registering: strengths and benefits
Paulo Pereira, Porto, Portugal

Open discussion on pros and cons of a spine registry
Podium:
Finn B. Christensen, P. Pereira, Justine Norwitz, Anne F. Mannion, Samuel Morris, Martin Wilby
Moderator:
Emin Aghayev

Summary of the discussion and closing words
Emin Aghayev, Zurich, Switzerland

Chairs:
Everard Munting, Biez, Belgium
Juan Bago, Barcelona, Spain

QF46  TWO-YEAR OUTCOMES OF PATIENTS TREATED WITH BVN ABLATION FOR THE RELIEF OF CHRONIC LOW BACK PAIN: RESULTS OF THE SMART TRIAL
Bernhard Meyer, Peter Vajkoczy, Rick Sasso, Sotirios Michalitsis, Al Rhyne, Jeff Fishground, Jorg Franke
Department of orthopedics, Klinikum Magdeburg, Germany

QF47  NON-FUSION THORACOSCOPIC ANTERIOR VERTEBRAL BODY TETHERING FOR ADOLESCENT IDIOPATHIC SCOLIOSIS: PRELIMINARY RESULTS OF A SINGLE EUROPEAN CENTER
Ahmet Alanay, Barbaros O Cebeci, Kadir Abul, Suna Lahut, Gökhan Ergene, Sahin Senay, Caglar Yilgor
Department of Orthopedics and Traumatology, Acibadem Mehmet Ali Aydinlar University, Istanbul, Turkey; Comprehensive Spine Center, Acibadem Maslak Hospital, Istanbul, Turkey; Thoracic Surgery, Acibadem Maslak Hospital, Istanbul, Turkey; Acibadem Mehmet Ali Aydnlar University School of Medicine, Turkey

QF48  ANTERIOR VERTEBRAL BODY TETHERING FOR THE TREATMENT OF IDIOPATHIC SCOLIOSIS: FEASIBILITY, OUTCOMES, AND COMPLICATIONS
Firoz Miyanji, Luigi Nasto, Fahimeh Karimi, Eva Habib, Andrea Simmonds
Dept of Orthopaedic Surgery, Vancouver, Canada

QF49  DOES THE USE OF ROBOTIC GUIDANCE AND NAVIGATION REDUCE THE INCIDENCE OF PEDICLE SCREW REVISIONS?
Victor E. Staartjes, Anita M. Klukowska, Marc L. Schröder
Department of Neurosurgery, Bergman Clinics, Amsterdam, Netherlands

QF50  MINIMALLY INVASIVE CANTILEVER CORRECTION TECHNIQUE FOR ADULT SPINAL DEFORMITY USING REDUCTION PERCUTANEOUS PEDICLE SCREW SYSTEM – TECHNICAL NOTES
Sei Terayama, Yasuo Ohori, Azusa Sudo
Dept. of Orthopedic, Tokyo, Japan

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
Miquel Serra-Burriel, 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
Vall d'Hebron Institute o Research (VHIR), Barcelona, Spain

QF52  APPLICATION OF GELATIN SPONGE IMPREGNATED WITH A MIXTURE OF 3 DRUGS TO INTRAOPERATIVE NERVE ROOT BLOCK TO PROMOTE EARLY POSTOPERATIVE RECOVERY OF LUMBAR DISC HERNIATION
Jin Peng Du, Yong Fan, Ding Jun Hao
Dept of Spine Surgery, Xi'an, China

QF53  ANULAR CLOSURE REDUCES RECURRENT HERNIATION AND REOPERATION IN A HIGH-RISK POPULATION FOLLOWING LUMBAR DISCECTOMY: 3-YEAR DATA FROM A MULTI-CENTER, PROSPECTIVE, RANDOMIZED TRIAL
Claudius Thomé, Peter Vajkoczy, Geoffrey Lesage, Volkmar Heidecke Department of Neurosurgery, Innsbruck Medical University, Innsbruck, Austria

QF54  ANATOMICAL FEASIBILITY OF EXTRADURAL TRANSFERRING S2 AND S3 VENTRAL ROOTS TO S1 VENTRAL ROOT FOR RESTORING NEUROGENIC BLADDER IN SPINAL CORD INJURY
Kaixiang Yang, Xiaojian Cao
Department of Orthopaedics,Nanjing, China

QF55 MRI CHANGE AFTER PERCUTANEOUS ENDOSCOPIC LUMBAR FORAMINO-PLASTY FOR LUMBAR FORAMINAL STENOSIS
Jongchul Chung, Changbong Kong, Woosung Sun, Byongwook Hwang, Hyungdong Kim Department of Neurosurgery, Busan, Korea

QF56  ASSESSMENT OF PSOAS MUSCLE DAMAGE AND CLINICAL OUTCOMES IN THE EARLY POSTOPERATIVE PERIOD AFTER LATERAL LUMBAR INTERBODY FUSION
Shimei Tanida, Shunsuke Fujibayashi, Bungo Otsuki, Shuichi Matsuda
Department of Orthopaedic Surgery, Graduate School of Medicine, Kyoto University, Japan

QF57  A NOVEL SURGICAL APPROACH FOR TRANSPLANTATION OF OLFACTORY ENSHEATHING CELLS FOLLOWING A TRANSECTION TYPE SPINAL CORD INJURY IN MICE
Ronak Reshamwala, Todd Shelper, Megha Shah, James St John
Griffith University, Queensland, Australia

QF58  MINIMALLY INVASIVE LATERAL LUMBAR INTERBODY FUSION AND POSTERIOR INSTRUMENTATION FOR CLINICAL ADJACENT SEGMENT PATHOLOGY: A RETROSPECTIVE MATCHED COHORT STUDY WITH ONLY POSTERIOR INSTRUMENTATION
Hyung-Ki Min, Kee-Yong Ha, Young-Hoon Kim, Sang-Il Kim, Hyung-Youl Park, In-Soo Oh, Jun- Yeong Seo, Dong-Gune Chang
Department of Orthopedic Surgery, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea

QF59  MISS TLIF VS XLIF IN THE L4L5 LEVEL: COMPLICATIONS AND OUTCOMES
Juan Del Castillo-Calcáneo, Khai Lam
Department of Neurosurgery, Pemex, Mexico City, Mexico; London Bridge Hospital, London, UK

QF60  MIDDLE TERM RESULTS OF MINIMALLY INVASIVE UNILATERAL PEDICLE SCREW FIXATION COMBINED WITH TRANSFORAMINAL INTERBODY FUSION FOR THE TREATMENT OF ONE LEVEL DEGENERATIVE DISC DISEASE IN THE LUMBAR SPINE
Giuseppe Morassi, Lykourgos Kollintzas, Sherief Elsayed, Iosif Tarazi
Brighton and Sussex University Hospitals

Chair:
Sebastiaan Schelfaut, Leuven, Belgium
Daniel Haschtmann, Zurich, Switzerland 

QF71  BONE SCINTIGRAPHY WITH SPECT CT IN PAEDIATRIC PATIENTS WITH BACK PAIN: THE EXPERIENCE OF A TERTIARY PAEDIATRIC REFERRAL CENTRE
Kelechi Eseonu, Uche Oduoza, Lorenzo Biassoni, Ramesh Nadarajah
Spinal Orthopaedic Department, Great Ormond Street Hospital, London

QF61  CLINICAL ANALYSIS OF RADIOLOGIC MEASUREMENT FOR BASILAR INVAGINATION: IS IT POSSIBLE TO PREDICT POSTOPERATIVE OUTCOME BY RADIOLOGIC MEASUREMENT?
Jong-Hyeok Park, Jae Taek Hong, Il Sup Kim
Department of Neurosurgery, Suwon, South Korea

QF62  CLINICAL PREDICTORS AND OPTIMAL MANAGEMENT FOR PATIENTS WITH CERVICAL SPINAL CORD INJURY WITHOUT MAJOR BONE INJURY
Hideaki Nakajima, Ai Takahashi, Ippei Kitade, Shuji Watanabe, Kazuya Honjoh, Akihiko Matsumine
Department of Orthopaedics and Rehabilitation Medicine, Faculty of Medical Sciences University of Fukui, Fukui, Japan

QF63  PREDICTIVE VALUES OF MAGNETIC RESONANCE IMAGING FEATURES FOR TRACHEOSTOMY IN TRAUMATIC CERVICAL SPINAL CORD INJURY
Tae Seok Jeong, Sang Gu Lee, Woo Kyung Kim, Yong Ahn, Seong Son
Dept of Neurosurgery, Incheon, South Korea

QF64  NEUROMONITORING SIGNAL CHANGES IN CERVICAL SPINE SURGERY: WHEN IS IT SIGNIFICANT?
Joshua Decruz, Ho Yin Wong, Jacob Oh, Yoong Leong
Department of Orthopaedic Surgery, Khoo Teck Puat Hospital, Singapore

QF65  RECRUITMENT OF OTHER REGIONS IN BRAIN FUNCTIONAL CONNECTIVITY NETWORK AFTER LAMINOPLASTY IN PATIENTS WITH CERVICAL MYELOPATHY
Shota Takenaka, Takashi Kaito, Takahiro Makino, Yusuke Sakai, Junichi Kushioka, Hisashi Tanaka, Yoshiyuki Watanabe, Shigeyuki Kan, Masahiko Shibata
Dept of Orthopaedic Surgery, Osaka University, Osaka, Japan

QF66  CERVICAL SPINAL STENOSIS WITH COEXISTING ROTATOR CUFF TEAR: A NATIONWIDE RE VIEW OF RECORDS FROM 2005 TO 2014
Michael Faloon, Conor Dunn, Jennifer Kurowicki, Kimona Issa, Anthony Festa, Anthony Scillia, Vincent McInerney, Arash Emami
Seton Hall University, School of Medicine, Dept of Orthopaedic Surgery, Paterson, USA

QF67  VERTEBRAL BODY LAVAGE REDUCES HEMODYNAMIC RESPONSE TO VERTEBRAL BODY AUGMENTATION
Christoph Albers, Philipp Schott, Sufian Ahmad, Lorin Benneker, Nadine Nieuwkamp, Sven Hoppe
Dept. of Orthopaedic Surgery; Spine Unit, University Hospital Bern, Switzerland

QF68  MIDTERM CLINICAL RESULTS OF TEMPORARY SHORT-SEGMENT FIXATION WITHOUT AUGMENTATION FOR THORACOLUMBAR BURST FRACTURES
Tomoya Yamashita, Hiroyuki Aono, Masayuki Furuya
Dept of Orthopaedic Surgery, Osaka, Japan

QF69  LONG-TERM FOLLOW-UP RESULTS IN PATIENTS WITH THORACOLUMBAR UNSTABLE BURST FRACTURE TREATED WITH TEMPORARY POSTERIOR INSTRUMENTATION WITHOUT FUSION AND IMPLANT REMOVAL SURGERY – FOLLOW-UP RESULTS FOR AT LEAST TEN YEARS
Sangbong Ko
Dept of Orthopaedic Surgery, Daegu, Korea

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
Alejandro Lorente-Gómez, Rafael Lorente-Moreno, Pablo Palacios-Cabezas, Bárbara Rosa, Carlos Barrios, Alexander Vaccaro
Hospital Ramón y Cajal, Madrid, Spain; Hospital Infanta Cristina, Badajoz, Spain; University Hopsital Madrid Norte Sabchinarro, Madrid, Spain; Valencia Catholic University, Valencia, Spain

QF72  RADIOLOGICAL AND CLINICAL EVALUATION OF THE USE OF LOW AND HIGH DENSITY SCREW SYSTEMS IN SCHEUERMANN KYPHOSIS
Umit Ozgur Guler, Metin Ozalay, Alpaslan Senkoylu, Ismail Daldal, Murat Bezer, Akif Albayrak, Mustafa Celiktas, Mahir Gulsen , Akin Ugras, Serkan Erkan, Esat Kiter, Nusret Ok, Yetkin Soyuncu, Omer Akcali, Ali Asma, Anil M.Ozturk, Burak Akesen
Dept of Orthopedics& Traumatology, Adana ,Turkey

QF73  3D VALIDATION OF THE NEW SAGITTAL CLASSIFICATION FOR AIS
Mareille Post, Stephane Verdun, Pierre Roussouly, Kariman Abelin-Genevois
Dept of Spine Surgery, Centre Medico Chirurgical des Massues Croix Rouge Francaise, Lyon, France; Dept of Medical Research, Institut Catholique de Lille, France

QF74  THE INFLUENCE OF OBESITY ON LOW BACK PAIN IN ELDERLY INDIVIDUALS CONSIDERATIONS BASED ON MEDICAL EXAMINATION OF LOCAL RESIDENTS: THE GAINA STUDY
Shinji Tanishima, Hiroshi Hagino, Hiromi Matsumoto, Hideki Nagashima
Dept of Orthopedic Surgery, Tottori-University, Japan

QF75  TIME FOR ONE MORE QUESTION? A SIMPLE "YELLOW FLAG" TOOL TO ASSESS PSYCHOLOGICAL FACTORS IN PATIENTS UNDERGOING SPINE SURGERY
Anne F. Mannion, Francine Mariaux, Tamas F Fekete, Daniel Haschtmann, Markus Loibl, Hans-Jürgen Burgstaller, Frank Kleinstück, François Porchet, Dezsö Jeszenszky, Achim Elfering Schulthess Klinik, Zürich, Switzerland

Chairs:
Ulrich Hubbe, Freiburg, Germany
Sait Naderi, Istanbul, Turkey

QF76  DOES ADDITIONAL UNCINATE RESECTION INCREASE PSEUDARTHROSIS FOLLOWING ANTERIOR CERVICAL DISCECTOMY AND FUSION?
Jong-Min Baik, Deuk Soo Jun
Dept of Spine surgery, Seoul, Korea

QF77  THE DISCREPANCY BETWEEN CLINICAL MEASURES AND SELF-REPORTED RATINGS OF HEALTH STATUS: AN INTRODUCTION TO RESPONSE SHIFT
Rachel Howard, Lindsay Tetreault, Mary Zhu, Michael Fehlings, Jefferson Wilson
Graduate Entry Medicine, University College Cork, Cork, Ireland

QF78  RELATED FACTORS OF NECK DISABILITY INDEX (NDI) AMONG ELDERLY PEOPLE IN SUBURBAN AREA: SHIRANIWA COHORT STUDY
Yusuke Hori, Masatoshi Hoshino, Shinji Takahashi, Shoichiro Ohyama, Tadao Tsujio, Akio Kobayashi, Hiroaki Nakamura
Depf ot Orthopaedic Surgery, Osaka City University, Osaka, Japan

QF79  FACTORS AFFECTING OUTCOMES OF CERVICAL DOUBLE-DOOR LAMINOPLASY BY MIDSAGITTAL SPLITTING METHOD
Toshikatsu Mamada, Norihiko Nakata, Go Hayasaka
Dept. of Spine Surg., JCHO Tokyo Yamate Medical Center

QF80  INFLUENCE OF THE PARAMETERS OF THE LOCAL SAGITTAL BALANCE OF THE CERVICAL SPINE ON THE QUALITY OF LIFE OF PATIENTS OPERATED ON FOR KYPHOTIC DEFORMITIES OF THE CERVICAL SPINE
Vladimir Klimov, Vladislav Kelmakov, Aleksey Evsyukov, Evgeniy Loparev, Murodzhon Kosimshoev, Evgenia Amelina
The "Federal Center of Neurosurgery"

QF81  SURGICAL TREATMENT OF SEVERE RIGID CERVICAL KYPHOSIS BY POSTERIOR LATERAL OSTEOTOMY
Baoge Liu, Wei Cui
Department of Orthopaedic Surgery, Beijing Tian Tan Hospital Capital Medical University, China

QF82  CAN WE DEFINE CLINICALLY RELEVANT DJK IN CERVICAL DEFORMITY SURGERY?
Themistocles Protopsaltis, Nicholas Stekas, Renaud Lafage, Justin Smith, Alex Soroceanu, Daniel Sciubba, Kojo Hamilton, Robert Eastlack, Greg Mundis, Khaled Kebaish, Eric Klineberg, Munish Gupta, Virginie Lafage, Robert Hart, Frank Schwab, Doug Burton, Shay Bess, Christopher Shaffrey, Christopher Ames, ISSG
NYU Langone Medical Center, NYU Langone Orthopedic Hospital, New York, USA

QF83  DOES ADDITIONAL BONE GRAFTING OF ATLANTOAXIAL JOINT INCREASE THE BONE FUSION RATE OF ILIAC CREST AUTOGRAFT IN POSTERIOR OCCIPITO-CERVICAL FUSION? A RETROSPECTIVE, CONTROLLED STUDY WITH A 2-YEAR FOLLOW-UP
Jun-Song Yang, Tuan-Jiang Liu, Ding-Jun Hao
Honghui Hospital, Xi’an Jiaotong University

QF84  METASTATIC SPINE DISEASE AND CANCER WITH UNKNOWN PRIMARY – A SURVIVAL ANALYSIS
Christian Carrwik, Claes Olerud, Yohan Robinson
Department of Surgical Sciences / Section of Orthopaedics, Uppsala University, Sweden

QF85  RECONSTRUCTION OF CERVICAL CORPECTOMY DEFECT WITH EXPANDABLE IMPLANTS IN METASTASIC SPINE DISEASE. DO WE NEED POSTERIOR FIXATION?
Yasser El Mansy, Heinrich Böhm
RWTH University hospital of Aachen, Zentralklinik Bad Berka, Germany

QF86  PERIOPERATIVE COMPLICATIONS AND PROGNOSIS OF TOTAL EN BLOC SPONDYLECTOMY FOR SPINAL METASTASES IN ELDERLY PATIENTS
Noritaka Yonezawa, Hideki Murakami, Satoru Demura, Satoshi Kato, Katsuhito Yoshioka, Noriaki Yokogawa, Takaki Shimizu, Norihiro Oku, Ryo Kitagawa, Hiroyuki Tsuchiya
Dept of Orthopaedic Surgery, Kanazawa University, Kanazawa, Japan

QF87  TOTAL EN BLOC SPONDYLECTOMY FOR PRIMARY TUMORS OF THE LUMBAR SPINE
Takaki Shimizu, Hideki Murakami, Satoru Demura, Satoshi Kato, Noriaki Yokogawa, Norihiro Oku, Ryo Kitagawa, Hiroyuki Tsuchiya
Dept of Orthopaedic Surgery, Kanazawa, Japan

QF88  ADVERSE EVENTS PROFILE IN EN BLOC RESECTION AND SURGERY FOR PRIMARY BONE TUMOR
Shreya Srinivas, Raphael Charest -Morin, Charles Fisher, Nicolas Dea
Combined Neuorsugical and Orthopedic Program, Vancouver Spine Surgery, Vancouver, Canada

QF89  EFFECT OF TRANEXAMIC ACID FOR PERIOPERATIVE BLOOD LOSS IN DECOMPRESSION SPINE SURGERIES: A DOUBLE BLIND PROSPECTIVE RANDOMIZED CONTROLLED STUDY
Atsuki Sano, Tsuyoshi Sato
Dept of Orthopaedic Surgery, Shibata, Japan

QF90  SURGICAL TRAINING IN SPINE SURGERY: SAFETY AND PATIENT-RATED OUTCOME
Guy Waisbrod, Anne Mannion, Tamas Fekete, Deszö Jeszenszky, Frank Kleinstück, Daniel Haschtmann
Department of Spine Surgery, Schulthess Klinik, Zürich, Switzerland

Coffee Break in the Foyer of Level 1

Chair:
Kostas Paterakis, Larissa,  Greece
Joerg Franke, Magdeburg, Germany

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
Tao Li, Yingsong Wang, Jingming Xie, Ying Zhang, Zhi Zhao, Zhiyue Shi, Ni Bi
Department of Orthopedics, The 2nd Affiliated Hospital of Kunming Medical University, Yunnan Province, P.R.China

71  RECONSTRUCTION OF THE BASEMENT - RATHER THAN ADDING A STOREY IS MORE. EFFECTIVE IN PREVENTING RE-PJK IN ADULT SPINAL DEFORMITY PATIENTS
Caglar Yilgor, Suna lahut, Kadir Abul, Yasemin Yavuz, Firat Gulagaci, Ibrahim Obeid, Frank C. K. Kleinstuck, Francisco Javier Sanchez Perez-Grueso, Emre Acaroglu, Ferran Pellise, Ahmet Alanay, ESSG, European Spine Study Group
1 Department of Orthopedics and Traumatology, Acibadem Mehmet Ali Aydinlar University, Istanbul, Turkey; 2 Comprehensive Spine Center, Acibadem Maslak Hospital, Istanbul, Turkey; 3 Department of Biostatistics, Ankara University, Ankara, Turkey; 4 Spine Surgery Unit, Bordeaux University Hospital, Bordeaux, France; 5 Spine Surgery Unit, Hospital Universitari Vall d’Hebron, Barcelona, Spain; 6 Spine Center Division, Department of Orthopedics and Neurosurgery, Schulthess Klinik, Zurich, Switzerland; 7 Spine Surgery Unit, Hospital Universitario La Paz, Madrid, Spain, 8 Ankara ARTES Spine Center, Ankara, Turkey, 9 Spine Center Division, Department of Research and Development, Schulthess Klinik, Zurich, Switzerland; 10 Vall Hebron Institute of Research (VHIR) Barcelona-Spain

72  CLOSED DRAINAGE VERSUS NON-DRAINAGE FOR SINGLE-LEVEL LUMBAR DISCECTOMY: A PROSPECTIVE RANDOMIZED CONTROLLED STUDY
Dingjun Hao, Biao Wang
Department of Spine Surgery, Honghui Hospital, Xi’an Jiaotong University College of Medicine, Xi’an, China

73  COMPARING LUMBAR SPINAL FUSION PERIOPERATIVE MORBIDITY AND MORTALITY BY APPROACH UTILIZING THE NATIONAL INPATIENT SAMPLE (NIS): 2005-2013
Michael Faloon, Conor Dunn, Kimona Issa, Nikhil Sahai, Kumar Sinha, Ki Soo Hwang, Arash Emami
Seton Hall University, School of Medicine, Dept of Orthopaedic Surgery, Paterson, USA

74  LOW-GRADE INFECTION IN SPINAL INSTRUMENTATION: A PROSPECTIVE COMPARATIVE STUDY
Ehab Shiban, Mohammed Issa, Insa Janssen, Bernhard Meyer Department of Neurosurgery, Technical University of Munich, Germany

75  DEEP SURGICAL INFECTION FOLLOWING INSTRUMENTED THORACOLUMBAR SURGERY. THE EXPERIENCE OF A QUARTER OF A CENTURY.
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