E URO S PINE 2009 October 21-24, Warsaw, Poland

Posters

Adult Thoracolumbar Spine P1

SURGICAL TREATMENT OF SPONDYLODISCITIS WITH OR WITHOUT INSTRUMENTATION P Álvarez González, J Pizones Arce, L Zúñiga Gómez, F Sánchez-Mariscal Díaz, A Gómez Rice, E Sanz Barbero, E Izquierdo Núñez Orthopaedic Surgery (Spine Unit), Hospital Universitario de Getafe, Madrid, Spain

P2

TRANSPEDICULAR OSTEOTOMY FOR THE TREATMENT OF FLATBACK P Álvarez González, L Zúñiga Gómez, F Sánchez-Mariscal Díaz, J Pizones Arce, E Izquierdo Núñez Orthopaedic Surgery (Spine Unit), Hospital Universitario de Getafe, Madrid, Spain

P3

A NEW VERTEBRAL IMPLANT ALLOWING FOR PERCUTANEOUS VERTEBRAL ANATOMICAL RESTORATION DURING VERTEBRAL STABILISATION. PRELIMINARY CLINICAL EXPERIENCE ON 25 PATIENTS AFTER TRAUMATIC BURST FRACTURE AFTER 6 MONTHS FOLLOW UP. X Barreau, C Renaud, E Durandeau, S Luc, S Hansen, JM Vital, V Dousset Service de Neuroradiologie Interventionnelle et Diagnostique, Hôpital Pellegrin Tripode - CHU de Bordeaux, BORDEAUX, France

P4

FLUOROSCOPIC GUIDED PERCUTANEOUS ACCESS TO THE THORACIC SPINE – A SAFE APPROACH J Clamp, E Bayley, S Srinivas, BM Boszczyk Centre for Spinal Studies and Surgery, Queen's Medical Centre, Nottingham, UK, Nottingham, United Kingdom

P5

INSTRUMENTED POSTEROLATERAL FUSION FOR THORACO-LUMBAR SPINAL TRAUMA USING SILICATE-SUBSTITUTED CALCIUM PHOSPHATE AS Brydone, DB Allan Queen Elizabeth National Spinal Injuries Unit, Southern General Hospital, Glasgow, United Kingdom

P6

CLINICAL AND RADIOLOGICAL RESULTS OF DISTRACTION-REDUCTION COMBINED WITH TRANSFORAMINAL LUMBAR INTERBODY FUSION FOR ADULT LOW-GRADE ISTHMIC AND DEGENERATIVE SPONDYLOLISTHESIS J Chen, H Lee, H Lo, Y Ho Orthopaedic Surgery, Armed Forces Taoyuan General Hospital, Taoyuan, Taiwan, R.O.C, Taiwan

P7

OPERATIVE TREATMENT OF THORACOLUMBAR BURST FRACTURE WITH OR WITHOUT PEDICLE SCREW IN THE FRACTURE LEVEL S Chen, T Lin, R Wu, Y Kao, J Ko Department of Orthopaedic Surgery, Chang Gung Memorial Hospital – Kaohsiung Medical Center, Kaohsiung Hsien, Taiwan

P8

ONE YEAR FOLLOW UP OF OUTCOMES OF CONSERVATIVE TREATMENT PACKAGE FOR SURGICAL CANDIDATES WITH LUMBAR DISC HERNIATION Y Choi, S Joonshik, L Sangho, Y Yousuk, K Joowon, K Hyukjoon Physical medicine and Rehabilitaiton, Jaseng medical foundation, Seoul, Korea

P9

SURGERY FOR SPINAL METASTASES IN THYROID CANCER S Demura, N Kawahara, H Murakami, K Yoshioka, K Tomita Department of Orthopaedic Surgery, Kanazawa University, Kanazawa, Japan, Kanazawa, Japan

P10

ADJUVANT RADIOTHERAPY IN SACROCOCCYGEAL CHORDOMA SURGERY: A NECESSITY? pds dijkstra, cla Vleggeert-Lankamp, wa Moojen, adg Krol, ahm taminiau orthopedic surgery, Leiden Universitairy Medical Center, Leiden, Netherlands

EuroSpine 2009, Posters - 2 P11

IS THERE A CORRELATION BETWEEN THE CLINICAL OUTCOME AND THE VOLUME AND LOCATION OF CEMENT INJECTION AND THE VOLUME AND LOCATION OF BONE MARROW EDEMA IN PERCUTANEOUS VERTEBROPLASTY? SPJ Muijs, NL Sippekl, AR van Erkel orthopedic, Leiden Universitairy Medical Center, Leiden, Netherlands

P12

TLIF REVISION SURGERY FOR FAILED POSTEROLATERAL SPINAL FUSION M Sharkawi Department of Orthopaedics, Assiut University Medical School, Assiut, Egypt

P13

EXTRAFORAMINAL MICROSCOPIC ASSISTED PERCUTANEOUS DEBRIDEMENT AND INTERBODY FUSION WITH PERCUTANEOUS POSTERIOR INSTRUMENTATION (EMAP-LIF) TECHNIQUE IN MANAGEMENT OF SPONDYLODISCITIS OF THE LUMBAR SPINE H Boehm, J Hasselbach, G Elwakeel, A Schmieder Orthopaedic and Spine Surgery, Zentralklinik Bad Berka, Bad Berka, Germany

P14

RELIABILITY AND VALIDITY OF THE CROSS-CULTURALLY ADAPTED FRENCH VERSION OF THE CORE OUTCOME MEASURES INDEX (COMI) S Genevay, C Cedraschi, M Marty, S Rozenberg, P de Goumoëns, A Faundez, F Balagué, F Porchet, AF Mannion Division of Rheumatology, University Hospitals of Geneva, Geneva, Switzerland

P15

INTERSPINOUS DISTRACTION FOR LUMBAR RADICULOPATHY SECONDARY TO FORAMINAL STENOSIS REMAINS SAFE & EFFECTIVE AFTER 2 YEARS K Gilkes, J Hobart, T Germon Neurosurgery, Derriford Hospital, Plymouth, United Kingdom

P16

HIGH VERSUS LOW VISCOSITY CEMENT IN VERTEBROPLASTY - A RANDOMIZED STUDY JG Grohs Orthopaedics, Medical University Vienna, Wien, Austria

P17

RADIOLUCENT ZONE AFTER BALLOON KYPHOPLASTY USING CALCIUM PHOSPHATE CEMENT IN TRAUMATIC VERTEBRAL FRACTURES R Gumpert, S Archan, O Leithgoeb, W Hartwagner, P Puchwein, N Stockenhuber Trauma Surgery, Medical University of Graz, Graz, Austria

P18

BONE GRAFT VOLUMETRIC CHANGES AND CLINICAL OUTCOMES AFTER INSTRUMENTED LUMBAR OR LUMBOSACRAL FUSION - A PROSPECTIVE COHORT STUDY WITH A 5-YEAR FOLLOW-UP KY Ha, JS Lee, KY Kim Orthopaedic Surgery, Seoul St. Mary's Hospital, Seoul, Korea

P19

IMPROVED HEIGHT RESTORATION WITH STRUCTURAL KYPHOPLASTY: CLINICAL RESULTS SPANNING 22 MONTHS A Hummel, MS Hummel Kreiskrankenhaus Woerth, Department of Traumatology, Woerth an der Donau, Germany

P20

MECHANISM AND PROGNOSTIC FACTORS OF FOOT DROP IN LUMBAR DEGENERATIVE DISEASE Y Iizuka, H Iizuka, T Ara, M Nishinome, S Tsutsumi, Y Nakagawa, T Nakajima, Y Sorimachi, K Shida, K Takagishi Orthopaedic Surgery, Gunma University Graduate School of Medicine, Maebashi, Japan

P21

FUSION RATE OF A NOVEL LUMBAR INTERBODY FIXATION DEVICE: INTRAVERTEBRAL PLATE AND CAGE SYSTEM VIA LATERAL RETROPERITONEAL APPROACH R Iundusi, JF Lin, MS Moon, U Tarantino Orthopaedics and Traumatology, University of Rome "Tor Vergata", Rome, Italy

P22

MEANS AND VARIANCES OF THE SAGITTAL SPINOPELVIC ALIGNMENT IN AN ASYMPTOMATIC JAPANESE POPULATION: THE DIFFERENCES FROM THE WESTERN POPULATION T Kanemura, N Kawakami, Y Matsuyama, Y Sakai, S Imagama, Z Ito, A Muramoto, G Yoshida, Y Ishikawa Spine Center, Konan Kosei Hospital, Konan city, Japan

P23

POSTERIOR LIGAMENTOUS COMPLEX LENGTH USED AS REDUCTION PARAMETER IN THORACOLUMBAR BURST FRACTURES M Bezer, IE Ketenci, G Kiyak Orthopaedic Surgery, Marmara University, Istanbul, Turkey

EuroSpine 2009, Posters - 3 P24

THE EFFECT OF VERTEBROPLASTY ON LUNG FUNCTIONS OF PATIENTS WITH OSTEOPOROTIC COMPRESSION FRACTURES IN THORACIC SPINE KW Kim, JS Lee, KY Ha, YS Kim Department of Orthopedic Surgery, St. Mary’s Hospital, The Catholic University of Korea, Seoul, Korea

P25

VERTEBRAL ENDPLATE SHAPE AND MEASUREMENT AT FUSION LEVELS IN DEGENERATIVE LUMBAR DISEASES A Kin, I Baba, K Tsuboi, Y Kitahara, M Shiraishi, F Murakoshi, M Kinoshita Orthopedic Surgery, Osaka Medical College, Takatsuki, Japan

P26

UNILATERAL TRANSFORAMINAL LUMBAR INTERBODY FUSION (TLIF) FOR EARLY ONSET POST - DISCECTOMY SPONDYLODISCITIS Y ElMiligui, W Koptan Orthopaedic, Cairo University Hospital, Geiza, Egypt

P27

LAMINOTOMY WITH CONTINUOUS IRRIGATION IN PATIENTS WITH SPONTANEOUS PYOGENIC OSTEOMYELITIS IN THORACOLUMBAR SPINE. JK Lee, JH Lee, JW Jang, JH Kim, SH Kim Neurosurgery, Chonnam National University Hospital, Gwangju, Korea

P28

SUBSIDENCE RATE AND OSSEOUS INTEGRATION OF TITANIUM RING CAGES FOR ANTERIOR SPINAL COLUMN RECONSTRUCTION IN VERTEBRAL OSTEOMYELITIS AND MALIGNANT TUMORS T Lerner, TL Schulte, V Vieth, V Bullmann, U Liljenqvist Department of Spine Surgery, St. Franziskus Hospital, Muenster, Germany

P29

IS THE OUTCOME OF CAUDAL EPIDURAL INJECTIONS AFFECTED BY PATIENT POSITIONING D Makki, DH Nawabi, R Francis, A R Hamed, A A Hussein Orthopaedics, princess alexandra hospital, harlow, United Kingdom

P30

A COMPARISON OF THE SURGICAL EFFICACY OF ALIF AND XLIF L4-5 FUSION PROCEDURES WITH POSTERIOR FIXATION WD Smith, J Thalgott, M Fogarty, J Raskin, RC Saxeena, G Christian, S Serrano, K Malone Research, NNI Research Foundation, Las Vegas, USA

P31

COMPLICATIONS IN EXTREME LATERAL INTERBODY FUSION (XLIF): ONE SURGEON´S EXPERIENCE WITH 566 PATIENTS AND 1550 LEVELS WD Smith, M Fogarty, G Christian, S Serrano, K Malone Research, NNI Research Foundation, NV, USA

P32

MICRODISCECTOMY COMPARED WITH STANDARD DISCECTOMY: AN OLD PROBLEM REVISITED USING MULTIDIMENSIONAL PATIENT-RATED OUTCOME MEASURES F Porchet, D Grob, V Bartanusz, FS Kleinstueck, F Lattig, D Jeszenszky, AF Mannion Spine Center, Schulthess Klinik, Zürich, Switzerland

P33

X STOP INTERSPINOUS PROCESS DECOMPRESSION DEVICE IN THE MANAGEMENT OF SPINAL STENOSIS- THE TWO YEAR CLINICAL OUTCOME CORRELATED WITH THE PREOPERATIVE DISC HEIGHT A Nandakumar, N Clark, N Bilolikar, A Pawulska, D Wardlaw, FW Smith Orthopaedics, NHS Grampian, Aberdeen, United Kingdom

P34

BACK FUNCTION PREOPERATIVELY AND 3 MONTHS AFTER SPONDYLODESIS IN PATIENTS WITH DEGENERATIVE SPONDYLOLISTHESIS MH Neva, L Pekkanen, I Marttinen, K Kyrölä, M Wahlman, K Vihtonen, S Rautiainen, T Kaistila, A Häkkinen Department of Musculoskeletal Diseases, Tampere University Hospital, Tampere, Finland

P35

MINI OPEN PLIF WITH MIS PEDICLE SCREW SYSTEM CLINICAL UTILITY AND COMPLICATIONS T Ohwada, S Suzuki, K Onoue, T Yamashita Orthopaedic Surgery, Kansai Rousai Hospital, Amagasaki, Hyougo, Japan

P36

IS RADIOLUCENCY A SIGNAL OF PSEUDARTHROSIS? RADIOLOGICAL EVALUATION AFTER AXIALIF 2 LEVELS. P Luiz, C Etevaldo, O Leonardo Scientific Department, Instituto de Patologia da Coluna, São Paulo, Brazil

EuroSpine 2009, Posters - 4 P37

INTERSEGMENTAL DECOMPRESSION VERSUS LAMINECTOMY IN THE SURGICAL TREATMENT OF LUMBAR SPINAL STENOSIS. T Osman, MO Kelleher, L McEvoy, C Bolger Neurosurgery, Beaumont Hospital, Dublin, Ireland

P38

MRI FINDINGS OF LUMBAR SPINE INSTABILITY IN LUMBAR DEGENERATIVE SPONDYLOLISTHESIS SY park, SW Suh, IJ Chae, HM lee orthopaedic surgery, korea university anam hospital, seoul, Korea

P39

PEEK „PLASTIC” RODS VERSUS TITANIUM „STIFF” RODS IN TRANSPEDICULAR LUMBAR STABILISATION. CLINICAL COMPARISION OF SHORT TERM RESULTS. M Pasciak, J Grzywocz, A Nobis, A Pala, T Wadek Spine Departament, District Orthopaedic Hospital, Piekary Slaskie, Poland

P40

COMPARING CLINICAL OUTCOME OF SEQUESTRECTOMY V/S MICRODISCECTOMY – A 2 YEAR PROSPECTIVE STUDY V Patel, B Fakouri, S Srinavas, P Domos Department of Spinal surgery and studies, Queens Medical Centre, Nottingham, United Kingdom

P41

SPINE NAVIGATION USING CT-FLUORO MERGE: A FAD OR AN ADDED VALUE? P Pereira, J Picallos, C Chamadoira, PA Silva, R Vaz Department of Neurosurgery, Hospital Sao Joao, Porto, Portugal

P42

BALLOON KYPHOPLASTY IN COMPARISON TO A CONSERVATIVE TREATMENT IN THE LONG TERM IN OSTEOPOROTIC VERTEBRAL FRACTURES R Pflugmacher, A-M Pobloth Centrum für Muskuloskeletale Chirurgie, Charité - Universitätsmedizin Berlin, Berlin, Germany

P43

ANTERIOR CORPECTOMY AND EXPANDABLE CAGE PLACEMENT FOR TREATMENT OF TRAUMATIC THORACOLUMBAR FRACTURES. ANALYSIS OF A PROSPECTIVE SERIES OF 23 PATIENTS AT A MINIMUM 2-YEAR FOLLOW-UP R Prébet, N Salas, L E Gayet Orthopaedic and traumatologic surgery, Universital Hospital, Poitiers, France

P44

REDUCTION OF ENDPLATE DEFORMITY WITH STRUCTURAL KYPHOPLASTY RESTORES INTERVERTEBRAL DISC MECHANICS SM Renner, AT Dimitriadis, LI Voronov, RH Havey, G Carandang, B MacIntosh, C Carson, D Ty, AG Patwardhan Musculoskeletal Biomechanics Laboratory, Edward Hines Jr. VA Hospital, Hines, USA

P45

SUCCESSFUL POSTERIOR LUMBAR INTERBODY FUSION WITH SINGLE DIAGONAL EXPANDABLE CAGE SUPPLEMENTED WITH PEDICLE SCREW FIXATION P Korovessis, Th Repantis Orthopaedic, General Hospital "Agios Andreas", Patras, Greece

P46

DOES AN INTERSPINOUS DEVICE (COFLEX™) IMPROVE THE OUTCOME OF DECOMPRESSIVE SURGERY IN LUMBAR SPINAL STENOSIS? 2-YEAR FOLLOW UP OF A PROSPECTIVE CASE CONTROL STUDY OF 60 PATIENTS A Richter, C Schütz, H Halm, T Niemeyer Spine Surgery, Asklepios Klinik St. Georg, Hamburg, Germany

P47

ANTERIOR LUMBAR FUSIONS USING RHBMP-2 AND STAND ALONE PEEK CAGES : A PROSPECTIVE ANALYSIS OF FUSION RATES AND CLINICAL OUTCOMES. N Lambert orthopaedic unit, clinique des cévennes, ANNONAY, France

P48

IMPLANT REMOVAL AFTER POSTERIOR STABILIZATION OF THE THORACO-LUMBAR SPINE KJ Schnake, SI Stavridis, P Bücking, S Schaeren, B Jeanneret Center for Spine Surgery and Neurotraumatology, BG-Unfallklinik Frankfurt am Main, Frankfurt am Main, Germany

P49

ENDOSCOPIC TRANSFORAMINAL DISCECTOMY (ETD) M Schubert, T Hoogland APEX SPINE Center, ATOS Klinik Muenchen, München, Germany

P50

IS REVISION OF PERFORATED CANNULATED CEMENT-AUGMENTED PEDICLE SCREWS POSSIBLE? TL Schulte, W Schmölz, M Richter, T Lerner, V Bullmann Department of Orthopaedics, University Hospital Münster, Münster, Germany

EuroSpine 2009, Posters - 5 P51

EVALUATION OF THE SPINAL CANAL REMODELATION IN THORACAL AND LUMBAR SPINAL FRACTURES OPERATED BY THE POSTERIOR INSTRUMENTATION (> 10 YEARS FOLLOWUP) LAST VERSION E Sesli, M Ozturk, O Kocanli, B Kececi, H Ozyalcin DEPARTEMENT OF ORTHOPAEDIC SURGERY, EGE UNIVERSITY HOSPITAL, IZMIR, Turkey

P52

THORACOSCOPIC DEBRIDEMENT AND POSTERIOR PERCUTANEOUS INSTRUMENTATION FOR SPONDYLODISCITIS IN MULTIMORBID PATIENTS (IS IT THE OPTIMAL SOLUTION?) H Boehm, A Ezzati, A Shawky Orthopaedic and Spine Surgery, Zentralklinik Bad Berka, Bad Berka, Germany

P53

COMPARISON OF RECONSTRUCTION OF ILIAC CREST DONOR SITE USING 1/3 TUBULAR PLATE IN TERMS OF DONOR-SITE MORBIDITY AND FUNCTIONAL OUTCOMES D Shing, J Chung Departement of Orthoopaedic Surgery, Bundang CHA Hospital, School of Medicine, Sungnam-si,, Korea

P54

ADULT SCOLIOSIS AND SPINO-PELVIC BALANCE C SILVESTRE, P ROUSSOULY surgery, centre des massues, Lyon, France

P55

SHORT-TERM RESULTS OF A MINIMALLY INVASIVE, COMPUTER ASSISTED LUMBAR FUSION TECHNIQUE IN 57 FAILED BACK SURGERY PATIENTS AB Spoor, CH Diekerhof, J de Waal Malefijt Orthopedic surgery, St. Elisabeth hospital Tilburg, Tilburg, Netherlands

P56

OBLIQUE LUMBAR INTERBODY SCREW FIXATION (OLIF): A BIOMECHANICAL STUDY IN HUMAN SPINES VERSUS PEDICLE SCREW FIXATION S St. Clair, JS Tan, IH Lieberman Orthopedic Surgery, Cleveland Clinic Spine Institute, Cleveland, USA

P57

AN EVALUATION OF OUTCOMES OF POSTERIOR LUMBAR INTERBODY FUSION (PLIF) USING LOCAL BONES AND INTERBODY FUSION CAGES OR SPACERS FOR DEGENERATIVE L4 SPONDYLOLISTHESIS F Suetsuna, T Tanaka Orthopaedic Surgery, Hachinohe Municipal Hospital, Hachinohe, Japan

P58

PRELIMINARY EVALUATION: TREATMENT OF ADULT ISTHMIC LYTIC SPONDYLOLISTHESIS USING ALIF AND PEDICULAR FUSION WITH EITHER FEMORAL RING ALLOGRAFT AND BUTTRESS PLATE OR PEEK CAGE WITH LAG SCREW FIXATION. JS Thalgott, ME Fogarty Orthopedic Spine, International Spinal Development & Research Foundation, Las Vegas, USA

P59

SYNOVIAL CYST OF THE FACET JOINT AFTER DECOMPRESSIVE SURGERY FOR LUMBAR SPINAL CANAL STENOSIS T Tsutsui, A Nagamachi, T Kubo, H Yonezu, K Adachi, K Inoue, T Endo, M Nakamura Orthopaedic Surgery, Mitoyo General Hospital, Kanonji, Japan

P60

A PROSPECTIVE ANALYSIS OF PROGNOSTIC FACTORS FOR PATIENTS WITH SPINAL METASTASIS T Uchiyama, T Morita, H Kobayashi, H Hatano, T Murai, H Segawa Department of Orthopedic Surgery, Niigata Cancer Center Hospital, Niigata-shi, Japan

P61

INSTRUMENTED TRANSFORAMINAL INTERBODY FUSION (TLIF) IN TREATMENT OF DEGENERATIVE LUMBAR SPINE INSTABILITY. COMPARISON OF THREE TECHNIQUES P Vanek, O Bradac, K Saur, V Benes Neurosurgery, Ustredni vojenska nemocnice, Prague, Czech Republic

P62

RANDOMIZED PLACEBO CONTROLLED TRIAL OF DYNAMIC ELECTRONEUROSTIMULATION EFFICIENCY IN PATIENTS WITH OSTEOPOROTIC SPINE FRACTURES. LP Evstigneeva, TP Polyanskaya, AA Vlasov Family Medicine, Ural State Medical Academy, Ekaterinburg, Russia

P63

BILATERAL BICORTICAL S1 PEDICLE SCREWING PENETRATING THE ANTERIOR CORTEX PRODUCES IDEAL STABILIZATION IN MULTI-LEVEL LUMBOSACRAL FUSION A Yamazaki, K Watanabe, A Sano, K Katsumi Spine Center, Orthopaedic Surgery, Niigata Central Hospital, Niigata, Japan

EuroSpine 2009, Posters - 6 P64

THE YELLOW LIGAMENT FLOATING METHOD: A TECHNIQUE FOR LUMBAR SPINAL CANAL STENOSIS THAT IS LESS INVASIVE TO NERVE TISSUE T Yamazaki, M Murakami, K Masuda Orthopedics, Musashino Red Cross Hospital, Musashino, Japan

P65

SURGICAL TREATMENT OF METASTATIC SPINAL HEPATOCELLULAR CARCINOMA MS Yang, JW Yang, H Kim, S Yi, Y Ha, KN Kim, DH Yoon neurosurgery, Yonsei university shinchon severance hospital, seoul, Korea

P66

SURGICAL STRATEGY OF ADULT LUMBAR SCOLIOSIS: TWO GROUPS OF PATIENTS WITH TWO YEAR MINIMUM FOLLOW-UP Y Zeng, TJ Albert, AP White, ZQ Chen Orthopedics, Peking University third Hospital, Beijing, China

P67

PREDICTORS OF DURA LESIONS IN POSTERIOR FUSION OF THE LUMBAR SPINE - A STUDY BASED ON DATA OF INTERNATIONAL „SPINE TANGO“ REGISTRY T Zweig, E Aghayev, M Melloh, S Domanja, R Sobottke, M Aebi, C Roeder Institute for evaluative research in orthopaedics, University of Berne, Bern, Switzerland

Basic Science P68

EDARAVONE (MCI-186) SCAVENGES ROS AND REDUCE TISSUE DAMAGE IN THE MICE SPINAL CORD INJURY MODEL T Aoyama, K Hida, S Kuroda, T Seki, H Shichinohe, S Yano, Y Iwasaki Neurosurgery, Hokkaido University Graduate School of Medicine, Sapporo, Japan

P69

THE INFLUENCE OF IN-VIVO MUSCLE FORCES ON THE STRESS DISTRIBUTION IN A VERTEBRAL BODY DURING ACTIVITIES OF DAILY LIVING. S Dendorfer, J Rasmussen Consulting/Support, AnyBody Technology, Aalborg, Denmark

P70

REALIBILITY INVESTIGATIONS OF REAL TIME ULTRASONOGRAPHY OF THE LUMBAR MULTIFIDUS MUSCLE IN SIDE OR PRONE LYING J Franke, C Gall, A Grundig, H Grasshoff, F Awiszus Department of orthopedics, University of Magdeburg, Magdeburg, Germany

P71

THE CONTRIBUTION OF CELL SEEDING TO BONE FORMATION IN THE SPINE AND ECTOPICALLY, INVESTIGATED BY IN VIVO BIOLUMINESCENCE IMAGING. RE Geuze, HJ Prins, MC Kruyt, FC Oner, J Alblas, WJA Dhert Orthopaedics, University Medical Center Utrecht, Utrecht, Netherlands

P72

ANTERIOR CERVICAL FUSION WITH A BIO-RESORBABLE COMPOSITE CAGE (TCP/PLLA): CLINICAL AND CT RESULTS AT 3 YEARS JC Le huec, S Aunoble, F Debuscher, C Tournier orthopaedic, chu pellegrin, bordeaux, France

P73

THE EFFECT OF BILATERAL LAMINOTOMY VS. LAMINECTOMY ON THE MOTION AND STIFFNESS OF THE HUMAN LUMBAR SPINE MJ Lee, RJ Bransford, C Bellabarba, JR Chapman, AM Cohen, RM Harrington, RP Ching Sports Medicine and Orthopaedic Surgery, University of Washington Medical Center, Seattle, USA

P74

BLOOD MEASUREMENT OF CPK AS AN INDICATOR OF MUSCULAR DAMAGE IN THORACOLUMBAR SPINE SURGERY. D Lombao, A Sanchez, M Medina Orthopaedic Surgery, Hospital Xeral-Calde, Lugo, Spain

P75

EXPERIMENTAL AND NUMERICAL MODELLING OF THE AFFECT OF POROSITY AND ARCHITECTURE ON THE PERMEABILITY OF BONE – APPLICATION TO VERTEBROPLASTY. P Pollintine, SG Harrison, A Patel, DG Tilley, AW Miles, S Gheduzzi Department of Mechanical Engineering, University of Bath, Bath, United Kingdom

P76

ERYTHROPOIETIN'S OSTEOGENIC POTENCY IN POSTEROLATERAL SPINAL FUSION JH Roelfing, M Bendtsen, J Jensen, C Foldager, M Stiehler, MB Hellfritzsch, C Buenger Orthopaedic Research Laboratory, Aarhus University Hospital, Aarhus, Denmark

EuroSpine 2009, Posters - 7 P77

THE LOAD ON A SPINAL IMPLANT IS ONLY SLIGHTLY INCREASED BY WHOLE BODY VIBRATION DURING CAR DRIVING A Rohlmann, B Hinz, R Blüthner, F Graichen, G Bergmann Julius Wolff Institut, Charité - Universitätsmedizin Berlin, Berlin, Germany

P78

MULTIDIMENSIONAL REASONS TO STAY AT HOME WITH LOW BACK PAIN: PREDICTORS OF WORK ABSENTEEISM C Rolli Salathé, AH Elfering, O Tamcan, M Melloh, AF Mannion, N Boos, U Mueller Work and Organizational Psychology, University of Berne, Switzerland, Berne, Switzerland

P79

PREDICTORS OF CHRONICITY IN PATIENTS WITH ACUTE LOW BACK PAIN – WHAT HEALTH PRACTITIONERS HAVE TO PAY ATTENTION TO C Rolli Salathé, AH Elfering, O Tamcan, M Melloh, AF Mannion, N Boos, U Mueller Work and Organizational Psychology, University of Berne, Switzerland, Berne, Switzerland

P80

ORIENTATION DEPENDENT ELASTIC PROPERTIES OF VERTEBRAL TRABECULAR BONE MATRIX MEASURED USING MICROINDENTATION (EFFECTS OF AGE, GENDER AND VERTEBRAL LEVEL) U Wolfram, HJ Wilke, PK Zysset Institute of Orthopaedic Research and Biomechanics, Ulm University, Ulm, Germany

P81

PROINFLAMMATORY CYTOKINES IN THE INTERVERTEBRAL DISC: BASAL MRNA EXPRESSION AND CHANGES DURING 2D EXPANSION AND CULTURE K Wuertz1, L Quero1, M Klawitter1, J Klasen2, N Boos1,2 1 Spine Research Group, Competence Center for Applied Biotechnology and Molecular Medicine, University of Zurich, Zurich, CH 2 University Hospital Balgrist, University of Zurich, Zurich, CH, , Zurich, Switzerland

Cervical Spine P82

RADIOLOGICAL EVALUATION OF SUBSIDENCE AND ALIGNMENT EARLY AFTER ANTERIOR CERVICAL INTERBODY FUSION WITH A TITANIUM BOX CAGE T Aoyama, K Hida, S Yano, M Akino, M Iwasaki, Y Iwasaki Neurosurgery, Hokkaido University Graduate School of Medicine, Sapporo, Japan

P83

WHY SHOULD WE USE DIFFUSION TENSOR IMAGING AND FINITE ELEMENT ANALYSIS IN CASES OF CERVICAL SPINAL CORD INJURY? M Czyz, W Jarmundowicz, K Scigala, R Bedzinski Department of Neurosurgery, Wroclaw Medical University, Wroclaw, Poland

P84

PROGNOSTIC FACTORS OF DECOMPRESSION SURGERY FOR CERVICAL SPONDYLOTIC MYELOPATHY IN DIABETIC PATIENTS T Dokai, H Nagashima, Y Nanjo, A Tanida, R Teshima Department of Orthopedic Surgery, Faculty of Medicine, Tottori University, Yonago, Japan

P85

TRANSORAL APPROACH ON THE SECOND CERVICAL VERTEBRA BY PERCUTANEOUS VERTEBROPLASTY. RESULT IN DIFFERENT PATHOLOGY IN 21 PATIENTS S Galvagno, GC Anselmetti Ortho/Trauma - Spine Surgery, Ospedale SS Annunziata, Savigliano (CN), Italy

P86

I-FACTOR™ BONE GRAFT -- A NOVEL BONE GRAFT SUBSTITUTE FOR USE IN CERVICAL SPINAL FUSION. EARLY RESULTS OF AN FDA IDE MULTI-CENTER RANDOMIZED CONTROLLED TRIAL WITH INDEPENDENT OUTCOMES ASSESSMENTS. J Michael, S Rick, V Alex Spine, Spine Education and Research Institute, Thornton, USA

P87

MULTIPLE LEVEL ANTERIOR CERVICAL FUSION USING STAND ALONE POLYETHERETHERKETONE (PEEK) CAGES CONTAINING CALCIUM SULPHATE PELLETS. IS ANTERIOR PLATING NECESSARY? W Koptan, Y ElMiligui Orthopaedic, Cairo University Hospital, Geiza, Egypt

EuroSpine 2009, Posters - 8 -

P88

ASYMPTOMATIC CERVICAL CORD COMPRESSION IN LUMBAR SPINAL STENOSIS PATIENTS. A WHOLE SPINE MRI STUDY SH Lee, KT Kim, KS Suk, JH Lee, DH So, JH Shin, KJ Park, YH Kwack Orthopedic surgery, Spine center, Kyung Hee University, East-west Neo medical center, Seoul, Korea

P89

MEDIUM-TERM RESULTS OF MICROSCOPIC SELECTIVE LAMINOPLASTY FOR CERVICAL SPONDYLOTIC MYELOPATHY: INVESTIGATION OF PATIENTS AT LEAST 5 YEARS AFTER SURGERY N Shizu, Y Yato, T Shiraishi, S Hanamura, M Nishio, S Nakai Orthopaedic Surgery, Fujita Health University, Aichi, Japan

P90

ISOLATED TRANSVERSE PROCESS FRACTURES OF THE SUBAXIAL CERVICAL SPINE IN A HIGH-ENERGY BLUNT TRAUMA POPULATION M Schotanus, JJ van Middendorp, AJF Hosman Spine Unit, Dep. of Orthopaedics, Radboud University Nijmegen Medical Centre, Nijmegen, Netherlands

P91

INNERVATED PATTERNS OF MUSCLES IN UPPER EXTREMITIES BY CERVICAL NERVE ROOTS A Yamazaki, K Watanabe, A Sano, K Katsumi Spine Center, Orthopaedic Surgery, Niigata Central Hospital, Niigata, Japan

Deformities and Growing Spine P92

CERVICAL KYPHOTIC DEFORMITY INCREASES SPINAL CORD INTRAMEDULLARY PRESSURE: A CADAVERIC STUDY A Chavanne, D Pettigrew, J Holtz, N Dollin, CK IV Kuntz Department of Neurosurgery, University of Cincinnati College of Medicine, Mayfield Clinic and Spine Institute, The UC Neuroscience Institute, Cincinnati, USA

P93

DOES POSTERIOR MULTIPLE LEVEL RELEASE ALLOW FOR A BETTER CORRECTION OF ADOLESCENT IDIOPATHIC SCOLIOSIS CURVES? A Gomez Rice, J Pizones Arce, F Sanchez-Mariscal Diaz, L Zuñiga Gomez, P Alvarez Gonzalez, E Izquierdo Nuñez Spine Unit, Hospital Universitario de Getafe, Getafe, Spain

P94

STAGED SURGICAL TREATMENT IN SEVERE AND RIGID SCOLIOSIS S Hou, Y Shi, L Li, X Wei, T Gao, Y Zhang Orthopedic Department, Orthopedic Institute of Chinese Pople's Lieration Army, Beijing, China

P95

THE USE OF TRACTION X-RAYS UNDER GENERAL ANAESTHETIC IN THE PRE-OPERATIVE ASSESSMENT OF SCOLIOSIS S Judd, P Kiely Orthopaedics, Our Lady's Hospital for Children, Dublin, Ireland

P96

RADIOLOGICAL INTERPRETATION AND REPORTING OF FATTY FILUM TERMINALE ON MRI SCANS: AN OBSERVATIONAL STUDY T Drenckova-Khosla, J Kandasamy, S Clark, M Lee, N Buxton Neurosurgery, The Walton Centre, Liverpool, United Kingdom

P97

SURGICAL CORRECTION OF SCOLIOSIS IN PATIENTS WITH MARFAN SYNDROM. A REPORT ON DECISION MAKING, PRECAUTIONS AND SURGICAL EXPERIENCE H Koller, J Zenner, A Hempfing, L Ferraris, O Meier German Scoliosis Center, Werner-Wicker-Clinic, Bad Wildungen, Germany

P98

THREE DIMENSIONAL CORRECTION OF DYSTROPHIC NEUROFIBROMATOSIS SCOLIOSIS. ARE SUBLAMINAR WIRES SAFE? W Koptan, Y ElMiligui Orthopaedic, Cairo University Hospital, Geiza, Egypt

EuroSpine 2009, Posters - 9 -

P99

REDUCTION OF HIGH GRADE SPONDYLOLISTHESIS WITH TRANSFORAMINAL LUMBAR INTERBODY FUSION. IS IT SAFE? Y ElMiligui, W Koptan Orthopaedic, Cairo University Hospital, Geiza, Egypt

P100

CLINICAL EARLY STUDY OF THORACIC PEDICLE SCREWS PLACEMENT IN SPINAL KYPHOSCOLIOSIS DEFORMITY WITH AIIMS CLASSIFICATION B Wang, G Lv, Y Kang Spine Surgery, 2nd Xiangya Hospital, Changsha, China

P101

COMPLICATION ANALYSIS OF THORACIC PEDICLE SCREW FIXATION IN SPINAL DEFORMITIES G Lv, Y Deng, B Wang Spine Surgery, 2nd Xiangya Hospital, Changsha, China

P102

POSTERIOR VERTEBRAL COLUMN RESECTION IN CONGENITAL THORACIC LORDOSCOLIOSIS C Ozturk, M Tezer, S Karadereliler, M Debre, M Enercan, A Hamzaoglu Florence Nightingale Hospital, Istanbul Spine Center, Istanbul, Turkey

P103

COMPARISON OF TRACTION RADIOGRAPHS TAKEN UNDER GENERAL ANESTHESIA WITH CONVENTIONAL FLEXIBILITY GRAPHIES. WHAT IS THE ADVANTAGE IN SURGICAL PLANNING OF TREATMENT OF ADOLESCENT IDIOPATHIC SCOLIOSIS? C Ozturk, MF Korkmaz, M Aydogan, L Ulusoy, A Alanay, A Hamzaoglu Florence Nightingale Hospital, Istanbul Spine Center, Istanbul, Turkey

P104

DIFFERENT PATTERNS OF PULMONARY DYSFUNCTION BETWEEN CONGENITAL SCOLIOSIS AND IDIOPATHIC SCOLIOSIS B Qian, A Huang, Y Qiu, B Wang, Y Yu, Z Zhu, F Zhu, X Sun, W Ma Spine Surgery, Spine Surgery, Drum Tower Hospital, Nanjing University Medical School, Nanjing, China, Nanjing, China

P105

SHOULDER FUNCTIONAL ASSESSMENT AFTER ANTERIOR INSTRUMENTATION FOR THORACIC SCOLIOSIS: COMPARISON AMONG THORACOTOMIC, MINI-OPEN THORACOTOMIC AND THORACOSCOPIC APPROACHES B Wang, Y Qiu, H Li, Y Yu, Z Zhu Spine Surgery, Spine Surgery, Drum Tower Hospital, Nanjing University Medical School, Nanjing, China, Nanjing, China

P106

THE NATURAL HISTORY OF CHIARI-ASSOSIATED SYRINX AFTER SUBOCCIPITAL DECOMPRESSION IN CHIARI I MALFORMATION PATIENTS WITH SCOLIOSIS W Li, B Wang, Y Yu, Z Zhu, F Zhu, X Sun Spine Surgery, Spine Surgery, Drum Tower Hospital, Nanjing University Medical School, Nanjing, China, Nanjing, China

P107

THE VALUE OF SKELETAL AGE OF HAND AND WRIST IN MATURITY ASSESSMENT IN GIRLS WITH ADOLESCENT IDIOPATHIC SCOLIOSIS: ASSESSING BY THE HISTOLOGICAL GRADE OF ILIAC CREST APOPHYSIS W Wang, Y Qiu, C Xia, F Zhu, Z Zhu, B Wang, S Wang, B Yeung, S Lee, J Cheng Spine Surgery, Spine Surgery, Drum Tower Hospital, Nanjing University Medical School, Nanjing, China, Nanjing, China

P108

STUDY OF SOMATOSENSORY EVOKED POTENTIALS IN ADOLESCENT IDIOPATHIC SCOLIOSIS Z Chen, Y Qiu, Z Zhu, B Qian, B Wang, Y Yu, F Zhu, X Sun, W Ma Spine Surgery, Spine Surgery, Drum Tower Hospital, Nanjing University Medical School, Nanjing, China, Nanjing, China

P109

LACK OF ASSOCIATION BETWEEN THE -2548G /A POLYMORPHISM OF THE LEPTIN GENE AND ADOLESCENT IDIOPATHIC SCOLIOSIS Z Liu, Y Qiu, X Cao Spine Surgery, Spine Surgery, Drum Tower Hospital, Nanjing University Medical School, Nanjing, China, Nanjing, China

P110

EMG THRESHOLDS AFTER THORACIC SCREW STIMULATION ARE DEPENDENT OF DISTANCE FROM SCREW TO SPINAL CORD, BUT NO OF THE PEDICLE CORTEX INTEGRITY. EXPERIMENTAL AND CLINIC SUPPORT I Regidor, G De Blas, E Montes, M Carretero, J Burgos, E Hevia, C Barrios Clinical Neurophysiology, Hospital Ramón y Cajal, Madrid, Spain

EuroSpine 2009, Posters - 10 P111

MECHANICAL, SPINAL, PSYCHOLOGICAL & PSYCHOSOCIAL FACTORS AFFECTING LBP IN ADOLESCENTS. A MULTIFACTORIAL ANALYSIS P Korovessis, Th Repantis, A Baikousis Orthopaedic, General Hospital "Agios Andreas", Patras, Greece

P112

MORPHOLOGIC CHANGES IN MAGNETIC RESONANCE IMAGING STUDY OF SPINAL CORD IN PATIENTS WITH ADOLESCENT IDIOPATHIC SCOLIOSIS J Shen, L Lao, Z Chen, G Qiu Orthopaedic Surgery, Peking Union Medical college Hospital, Beijing, China

Motion Preservation Treatment P113

CORE MOBILITY OF LUMBAR TOTAL DISC ARTHROPLASTY MIMICS NUCLEUS MIGRATION: RADIOLOGICAL ASSESSMENT AND KINEMATIC EFFECTS J Delécrin, J Beaurain, J Allain, JP Steib, T Dufour, J Huppert, M Ameil, L Aubourg, JM Nguyen Orthopaedic, University Hospital, Nantes, France

P114

TREATMENT OF LUMBAR SPINAL STENOSIS WITH A TOTAL POSTERIOR ARTHROPLASTY PROSTHESIS VERSUS POSTERIOR LUMBAR FUSION: A PROSPECTIVE REPORT ON 134 PATIENTS L Pimenta, P McAfee, Y Anekstein, A Hamzaoglu, D Coric, R Hes, C Comey, S Robbins, A Cappuccino, F Geisler Clinical Affairs, Impliant Ltd, Ramat Poleg, Israel

P115

A 5 TO 9 YEAR REVIEW OF PURE DYNESYS PROCEDURES M Mueller, S Lau, A Latif, JAN Shepperd Orthopaedic & Trauma Department, Conquest Hospital, St Leonards-on-Sea, United Kingdom

P116

MAGNETIC RESONANCE IMAGING CLARITY OF BAGUERA C®, PRODISC C® AND PCM® CERVICAL DISC REPLACEMENT D Noriega, VA Guisasola, M Arqueros, VG Virto Service de Chirurgie Orthopedique, Hopital Clinico Universitario de Valladolid, Valladolid, Spain

P117

ENDOSCOPIC TRANSFORAMINAL DISCECTOMY COMBINED WITH CHEMONUCLEOLYSIS M Schubert, T Hoogland APEX SPINE Center, ATOS Klinik Muenchen, München, Germany

P118

THE EARLY CLINICAL OUTCOME AND FAILURES OF A CONSECUTIVE SERIES OF INTERSPINOUS DISTRACTION DEVICES P Sell, Z Rasul, M Newey DEPARTMENT OF ORTHOPAEDICS, UNIVERSITY HOSPITALS OF LEICESTER, LEICESTER, United Kingdom

P119

IS THE FINAL OUTCOME PREDICTABLE FOLLOWING TOTAL LUMBAR DISC REPLACEMENT ? CJ Siepe, A Tepass, P Meschede, R Beisse, A Korge, HM Mayer SpineCenter, Orthopaedic Clinic Munich-Harlaching, Munich, Germany

P120

INTERDEPENDANCE BETWEEN DISC SPACE HEIGHT, RANGE OF MOTION AND CLINICAL OUTCOME IN TOTAL LUMBAR DISC REPLACEMENT CJ Siepe, P Meschede, MF Khattab, AK Sharma, W Hitzl, R Beisse, A Korge, HM Mayer SpineCenter, Orthopaedic Clinic Munich-Harlaching, Munich, Germany

P121

5-YEAR-FOLLOW-UP AFTER DORSAL DYNAMIC STABILIZATION IN THE ADJACENT LEVEL OF A CIRCUMFERENTIAL FUSION COMPARED TO A CIRCUMFERENTIAL FUSION ALONE. P Strube, E Hoff, C Gross, C Perka, M Putzier Clinic for Orthopadics, Center for Musculoskeletal Surgery, Charité - University Medicine Berlin, Berlin, Germany

EuroSpine 2009, Posters - 11 -

P122

COST-EFFECTIVENESS OF LUMBAR DISC REPLACEMENT VERSUS LUMBAR FUSION FROM A HEALTH-CARE SYSTEMS'S PERSPECTIVE A Tuschel, M Meissl, A Chavanne, M Ogon Spine Unit, Orthopaedic Hospital Vienna Speising, Wien, Austria

P123

BIOMECHANICAL EVALUATION OF AN ANNULUS FIBROSUS RECONSTRUCTION IMPLANT HJ Wilke, L Widmann, F Heuer University of Ulm, Institute of Orthopaedic Research and Biomechanics, Ulm, Germany

Registry and Quality Management P124

ASSESSMENT OF HEALTH-RELATED QUALITY OF LIFE AFTER SURGICAL TREATMENT OF FOCAL SYMPTOMATIC SPINAL STENOSIS COMPARED WITH OSTEOARTHRITIS OF THE HIP OR KNEE L Alvarez, JM Carreira, J Orovio, M Fernandez, J Villar, XIA Group, Symax Group, Trident Group Orthopaedics, Fundacion Jimenez Diaz, Madrid, Spain

P125

COMPARISON OF MULTIDIMENSIONAL PATIENT-RATED OUTCOME AFTER CERVICAL DISC ARTHROPLASTY VERSUS FUSION IN ROUTINE CLINICAL PRACTICE. D Grob, FS Kleinstück, F Lattig, F Porchet, AF Mannion Spine Center, Schulthess Klinik, Zürich, Switzerland

P126

SPINAL STENOSIS AND THE LOW ACCURACY OF PATIENT ASSESSMENT OF WALKING DISTANCE P Sell, T Okoro, B Sell Department of Orthopaedics, University Hospitals of Leicester, Leicester, United Kingdom

P127

SURGICAL DECISION MAKING IN LOW BACK PAIN: WHERE IS THE EVIDENCE? PC Willems, RA De Bie, FC Oner, RM Castelein, M De Kleuver Orthopaedics, University Hospital Maastricht, Maastricht, Netherlands