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36 Length of Stay, Readmission and Mortality after Primary Surgery for Pediatric Spinal Deformities: A 10-year Nationwide Cohort Study
Sidsel Fruergaard1, Søren Ohrt-Nissen1, Frederik Taylor Pitter1, Kristian Høy2, Martin Lindberg-Larsen3, Søren Eiskjær4, Benny Dahl5, Martin Gehrchen1 1) Spine Unit, Department of Orthopedic Surgery, Rigshospitalet, University of Copenhagen, Blegdamsvej, 2100 Copenhagen, Denmark; 2) Spine Unit, Department of Orthopedic Surgery, Aarhus University Hospital, Palle Juul-Jensens Boulevard 99, 8200 Aarhus, Denmark; 3) Orthopaedic research unit, Department of Orthopedic Surgery and Traumatology, Odense University Hospital, Department of Clinical Research, University of Southern Denmark, J.B. Winsløvsvej 4, 5000, Odense C, Denmark; 4) Department of Orthopedic Surgery, Aalborg University Hospital, Hobrovej 18-22, 9000 Aalborg, Denmark; 5) Department of Orthopedic Surgery, Texas Children’s Hospital and Baylor College of Medicine, Houston, TX 77030, USA
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37 Proximal junctional kyphosis in surgically treated adolescent idiopathic scoliosis: comparison between all-screw and hybrid technique
LAURA SCARAMUZZO, GIUSEPPE BARONE, FRANCESCO MANZINI, LEONE MINOIA, MARINO ARCHETTI, ANTONINO ZAGRA, FABRIZIO GIUDICI Spine Surgery Division 1, IRCCS Istituto Orthopedics Galeazzi, Milan, Italy
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38 Restoration of Thoracic Kyphosis and Higher T1 Slope Angle Impacts Cervical Alignment After Posterior Spinal Fusion in Hypokypotic Adolescent Idiopathic Scoliosis: A Retrospective Study with Minimum Five-Years Follow-up
Sinan Kahraman, Ayhan Mutlu, Seray Gizem Gur, Huseyin Ozturk, Mustafa Elsadig, Tunay Sanli, Selhan Karadereler, Meric Enercan, Azmi Hamzaoglu Istanbul Spine Center, Istanbul, Turkey
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39 The clinical significance of tether breakages in anterior vertebral body growth modulation: A two year post-operative analysis
Stefan Parent, Jesse Shen, Marjolaine Roy-Beaudry, Julie Joncas, Isabelle Turgeon, Imad Nahlé CHU Sainte-Justine, Montreal, Canada
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40 Preliminary Results of Flexible Posterior Vertebral Tethering for the Management of Scheuermann’s Kyphosis: A novel technique.
Mehmet AYDOGAN, Tuna PEHLIVANOGLU, Ismail OLTULU, Emre KORKMAZ, Yigit ERDAG, Ender SARIOGLU, Ender OFLUOGLU Emsey Hospital, Department of Orthopedic Surgery and Neurosurgery, Advanced Spine Surgery Center, Istanbul, Turkey
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41 Accuracy of Rod Contouring to Desired Angles With and Without a Template: Implications for Achieving Desired Spinal Alignment and Outcomes
Justin Smith, Christopher Ames, Chris Good, Benny Dahl, Paul Kraemer, Jeff Gum, Dennis Devito, Marco Brayda-Bruno, Robert Lee, Christopher Bell, Shay Bess Spinal Surgery Unit, Royal National Orthopaedic Hospital NHS Trust, Stanmore, UK
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42 Analysis of 85 Adolescent Idiopathic Scoliosis Patients Corrected with Patient Specific Rods with a Minimum of 1Year Follow-up
Federico Solla, Vincent Cunin, Elie Haddad, Antoine Laquièvre, Vincent Fière, Bruno Dohin, Jean-Luc Clément Department of pediatric orthopaedics – Lenval Foundation – Nice- France;
Department of pediatric orthopaedics- CHU Lyon, Bron, France;
Department of pediatric orthopaedics, CHU Saint-Étienne, Saint-Étienne, France.
Department of pediatric orthopaedics – CHU Caen – France
Department of Spinal surgery, Orthopedic center Santy and HPJM Lyon GDS Ramsay, Lyon- France
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43 Correction of Adolescent Idiopathic Scoliosis by Vertebral Coplanar Alignment Maneuvers. A 3-year Multicenter Experience
Carlos Barrios, Karen Weissmann, José I. Maruenda Valencia Catholic University, Valencia,Spain; Hospital Exequiel González Cortés, Santiago de Chile, Chile; Central South University, Changsha, China; Beijing Chaoyang Hospital, Beijing, China
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44 Association between sagittal alignment and adjacent segment loading as predicted by patient-specific musculoskeletal simulations
Pascal Behm1, Dominika Ignasiak1, Markus Loibl3, Anne F. Mannion2, Frank Kleinstück3, Tamas Fekete3, Daniel Haschtmann3, Dezsö Jeszenszky3, Laura Zimmermann2, Sarah Richner-Wunderlin2, Alba Vila4, Ferran Pellisé5, Ibrahim Obeid6, Francisco J Sanchez Perez-Grueso7, Ahmet Alanay8, Caglar Yilgor8, Stephen J. Ferguson1, ESSG European Spine Study Group (1) Institute for Biomechanics, ETH Zurich, Zurich, Switzerland; (2) Department of Teaching, Research and Development, Schulthess Klinik, Zurich, Switzerland; (3) Department of Spine Surgery, Schulthess Klinik, Zurich, Switzerland; (4) Spine Research Unit, Vall d’Hebron Institute of Research, Barcelona, Spain; (5) Spine Surgery Unit, Hospital Vall d’Hebron, Barcelona, Spain; (6) Pellegrin Bordeaux University Hospital, 33000 Bordeaux, France ; (7) Spine Surgery Unit, Hospital Universitario La Paz, Madrid, Spain; (8) Acibadem Mehmet Ali Ayd nlar University School of Medicine, Department of Orthopaedics and Traumatology, Istanbul, Turkey
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45 Use of Predictive Machine Learning Models at the Population Level Have the Potential to Save Cost by Directing Economic Resources to Those Likely to Improve Most: A Simulation Analysis Stratified by Risk in Largest Combined US/European ASD Registry
Ferran Pellise, Rushikesh S. Joshi, Miquel Serra-Burriel, Darryl Lau, Justin S. Smith, Michael Kelly, Ahmet Alanay, Francisco Javier Sanchez Perez-Grueso, Frank Kleinstuck, Ibrahim Obeid, Douglas Burton, Virginie Lafage, Frank Schwab, Christopher I. Shaffrey, Shay Bess, Christopher P. Ames, European Spine Study Group, International Spine Study Group Dept of Spine Surgery Unit, Vall d'Hebron University Hospital, Barcelona, Spain
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46 Adult congenital deformity: clinical features and motivations for surgical treatment
Javier Pizones, Francisco Javier Pérez-Grueso, Lucía Moreno-Manzanaro, Alba Vila-Casademunt, Nicomedes Fernández-Baíllo, Jose Miguel Sánchez-Marquez, Gloria Talavera, Ibrahim Obeid, Frank Kleinstueck, Ahmet Alanay, Emre Acaroglu, Ferran Pellisé, European Spine Study Group ESSG Hospital Universitario La Paz, Madrid, Spain
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47 Surgical correction of Adult Spinal Deformity in accordance to the Roussouly Classification: effect on postoperative mechanical complications
Tanvir Johanning Bari, Lars Valentin Hansen, Martin Gehrchen Spine Unit, Department of Orthopedic Surgery, Rigshospitalet, Copenhagen University Hospital
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48 Quality Metrics in Adult Spinal Deformity (ASD) Surgery Over the Last Decade.
A Combined Analysis of the Largest Prospective Multicentric Datasets
Ferran Pellisé, Miquel Serra-Burriel, Alba Vila-Casademunt, Justin S. Smith, Ibrahim Obeid, Douglas Burton, Frank Kleisntück, Shay Bess, Javier Pizones , Virginie Lafage, Francisco Javier Sánchez Pérez-Grueso, Frank Schwab, Jeffrey L Gum, Erik Klineberg, Christopher Shaffrey, Ahmet Alanay, Christopher P. Ames, International Spine Study Group, European Spine Study Group Spine Surgery Unit, Vall Hebron Hospital, Barcelona, Spain
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49 Predictor of Mechanical Failures in Adult Spinal Deformity Surgery with Long Lumbopelvic Fixations
Sleiman Haddad, Alba Vila-Casademunt, Antonia Matamalas Adrover, Çaglar Yilgor, Susana Nuñez-Pereira, Francisco Javier Sanchez Perez-Grueso, Ibrahim Obeid, Frank S. Kleinstueck , Emre R Acaroglu, Ahmet Alanay, Javier Pizones, Ferran Pellisé, European Spine Study Group ESSG Spine Surgery Unit, Dept of Orthopedic Surgery and Traumatology, Vall d'Hebron University Hospital, Barcelona - Spain
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50 Radiographic outcomes and complications after L4 or L5 pedicle subtraction osteotomy for fixed sagittal malalignment in 102 adult spinal deformity patients with a minimum 2 years follow-up
Anouar Bourghli, Louis Boissiere, Thomas Chevillotte, Maxime Huneidi, Clement Silvestre, Kariman ABELIN-GENEVOIS, Pierre Grobost, Javier Pizones, Pierre Roussouly, Ibrahim OBEID Clinique du Dos, Bordeaux-Bruges, France
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51 Efficacy of Adult Spinal Deformity Surgical Decision Making (ASD-SDM) Score in Patients Over 40 Years as an Indication for Surgical Management
Sreenath Jakinapally, Louis Boissiere, Ibrahim Obeid Dept of Orthopaedics, CHU Pellegrin, Bordeaux, France
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52 Backpain profile and psychosocial related factors in adolescents with idiopathic scoliosis
Antonia Matamalas , Javier Pizones, Ferran Pellise, Clara Figueras, Lucia Moreno-Manzanaro , Joan Bago Vall d'Hebron University Hospital, Barcelona, Spain
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53 Frameless patient tracking for augmented reality surgical navigation in spine surgery
Charles Tatter, Gustav Burström, Paulina Cewe Jönsson, Erik Edström, Oscar Persson, Rami Nachabe, Adrian Elmi-Terander 1 Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden;
2Department of Neurosurgery, Karolinska University Hospital, Stockholm, Sweden;
3Department of Trauma and Musculoskeletal Radiology, Karolinska University Hospital, Stockholm, Sweden
4 Department of Image Guided Therapy Systems, Philips Healthcare, Best, the Netherlands
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14:00 - 14:05
Introduction and first voting
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14:05 - 14:20
Most implant failures are associated with low grade infection
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14:20 - 14:35
Most implant failures are due to biomechanical reasons
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