Program (Oral Presentation)
Program (Oral Presentation) Fri. March 27 The Conference Center, PACIFICO YOKOHAMA.5F 503 Opening Remarks 7:45 President: T ateru Shiraishi (Japan) Free Paper 1 Posterior Miscellaneous 7:51 - 8:45 Moderators: Kazuhiro Chiba (Japan) Kyoung-Suok Cho (Korea) F1-1 Efficacy of Posterior Segmental Decompression Surgery for Pincer Mechanism in Cervical Spondylotic Myelopathy: A retrospective case-controlled study using propensity score matching (Japan)Akihito Minamide, Munehito Yoshida, Hiroyuki Oka, Hiroshi Yamada, Hiroshi Hashizume, Yukihiro Nakagawa, Hideto Nishi, Hiroshi Iwasaki, Shunji Tsutsui, Motohiro Okada, Sae Okada F1-2 Surgical outcomes of miscroscopic posterior cervical discectomy (Japan)Kiyotaka Yamada, Yoshinori Fujimoto, Osami Suzuki, Takashi Hashimoto, Toshio Nakamae, Masaki Matsuura, Taiki Morisako F1-3 Surgical Technique: Non-Instrumented Posterior Decompression Using Spinous Process Osteotomy in the Cervical Spine (Philippines)Jose Miguel T Lumawig F1-4 Comparison of surgical results for cervical spondylotic myelopathy with anterior slip more than 3mm, Laminoplasty versus Posterior Decompression and Fusion (Japan)Takashi Kuniya, Ko Ishida, Tomoyuki Katsuhata, Naoto Mitsugi, Tomoyuki Saito F1-5 Biomechanical evaluation of the suture anchors used in cervical laminoplasty (Japan)Yoshitaka Kurokawa, Atsushi Nakano, Ichiro Baba, Masashi Neo F1-6 Surgical outcome after open versus endoscopic posterior cervical discectomy (Korea)Chi Heon Kim, Chun Kee Chung, Kyoung-Tae Kim Free Paper 2 Selective Laminoplasty 8:45 - 9:39 Moderators: F2-1 Masashi Yamazaki (Japan) Gabriel Liu (Singapore) Surgical Outcome of Z-plasty for Cervical Myelopathy: A Retrospective Study with mean Follow-up of 5 years (Viet Nam)Truc Tam Vu, Si Van Vo, Tin Trong Nguyen, Luyen The Nguyen, Riet Ngoc Do, Tram Bao Nguyen, Hanh The Nguyen, Thanh Dang Le, Vien Chi Tieu, Viet Quoc Nguyen, Khai Dang Tran F2-2 Agreement on the level selection in laminoplasty among experienced surgeons: A survey-based study (Korea)Jae Hwan Cho, Kyung-Soo Suk, Jong-Beom Park, Jung-Ki Ha, Dae Geun Kim, Chang Ju Hwang, Choon Sung Lee, Dong-Ho Lee F2-3 Anterior spondylolisthesis is a poor predictor of neurological outcomes in patients with cervical spondylotic myelopathy following cervical laminoplasty (Japan)Takeshi Oichi, Yasushi Oshima, Yuki Taniguchi, Yoshitaka Matsubayashi, Yo Kumano, Kentaro Hayakawa, Masayoshi Fukushima, Junichi Ohya, Hirotaka Chikuda, Katsushi Takeshita, Sakae Tanaka - 12 - F2-4 Can elderly patients recover adequately after laminoplasty? A prospective comparative study of clinical outcomes for 1025 patients with cervical spondylotic myelopathy (Japan)Masaaki Machino, Yasutsugu Yukawa, Shiro Imagama, Keigo Ito, Yoshito Katayama, Tomohiro Matsumoto, Taro Inoue, Jun Ouchida, Keisuke Tomita, Naoki Ishiguro, Fumihiko Kato F2-5 Effectiveness of Posterior Decompression For Cervical Disc Herniation (Japan)Takenori Omoto, Akira Miyauchi, Tadayoshi Sumida, Hideki Manabe F2-6 Etiology of revision surgery after various types of laminoplasty for cervical myelopathy due to ossification of the posterior longitudinal ligament (OPLL) (Japan)Macondo Mochizuki, Atsuomi Aiba, Ryo Kadota, Masao Kouda, Masashi Yamazaki Free Paper 3 Laminoplasty 9:40 - 10:34 Moderators: F3-1 Shunji Matsunaga (Japan) Toshihiro Takami (Japan) Results of Muscle-sparing Selective Laminectomy For Acute And Chronic Myelopathy Using Shiraishi’ s Exposure Technique (Viet Nam)An Vo, Tam Ho, Thanh Vo F3-2 Risk factor analysis of carvical selective laminectomy (Japan)Ken Ninomiya, Tateru Shiraishi, Ryoma Aoyama, Satoshi Nori, Ukei Anazawa, Hiraku Hotta, Kazuya Kitamura, Seiji Ueda F3-3 A comparative study of operative methods of cervical spondylotic myelopathy in patients aged 75 years or more: Selective laminoplasty can reduce the postoperative complication and maintain the cervical sagittal balance (Japan)Tsukasa Kanchiku, Yasuaki Imajo, Hidenori Suzuki, Yuichiro Yoshida, Norihiro Nishida, Toshihiko Taguchi F3-4 A Prospective, Randomized Study Comparing Selective Laminectomy and Conventional Laminoplasty for Cervical Spondylotic Myelopathy: A Minimum of 2-year Follow-up (Japan)Toshitaka Yoshii, Takashi Hirai, Hiroyuki Inose, Tsuyoshi Kato, Kenichiro Sakai, Shigenori Kawabata, Kenichi Shinomiya, Atsushi Okawa F3-5 Intraoperative Sonographic Comparison of Spinal Cord Motion between Selective Laminectomy and Conventional Laminoplasty (Japan)Yohei Ito, Hisanori Mihara, Yasunori Tatara, Takanori Niimura, Takaaki Morii F3-6 Change of Post-operative Alignment After Selective Laminectomy With Muscle Preservation For Cervical Spondylotic Myelopathy (Japan)Junichi Yamane, Tateru Shiraishi, Ryoma Aoyama, Ken Ninomiya, Kazuya Kitamura, Seiji Ueda, Satoshi Nori Free Paper 4 Evaluation of cervical myelopathy 10:45 - 11:30 Moderators: Yoshinori Fujimoto (Japan) Jin Sup Yeom (Korea) F4-1 Central motor conduction time in the diagnosis of cervical compressive myelopathy (Japan)Masahiro Funaba, Tsukasa Kanchiku, Yasuaki Imajo, Hidenori Suzuki, Yuichiro Yoshida, Norihiro Nishida, Kazuhiro Fujimoto, Toshihiko Taguchi - 13 - F4-2 Correlation between central motor conduction time and quantitative evaluation of cervical spinal cord compression on MRI in cervical spondylotic myelopathy (Japan)Takanori Rikita, Nobuhiro Tanaka, Kazuyoshi Nakanishi, Naosuke Kamei, Takeshi Hiramatsu, Norihiko Sumiyoshi, Atsushi Takazawa, Mitsuo Ochi F4-3 Consistency of methods evaluating the subjective and objective post-operative efficacies in Chinese patients with cervical spondylotic myelopathy and profile of change during rehabilitation: a cohort study (China)Yilong Zhang, Feifei Zhou, Yu Sun F4-4 Quantitative evaluation of upper limb motor function in cervical spondylotic myelopathy (Japan)Kota Kojima, Jun Ogawa, Yuki Yamanashi, Yuichiro Mima, Mitsuhiro Nishida, Yoshiomi Kobayashi, Yohei Takahashi, Akira Honda, Yoshio Shinozaki, Hiroaki Nonomiya F4-5 Assessment of the minimum clinically important difference (MCID) in cervical spondylotic myelopathy by neurological function and quality of life after surgery: a prospective cohort study (China)Feifei Zhou, Yilong Zhang, Yu Sun Free Paper 5 Miscellaneous 11:30 - 12:06 Moderators: Kazunori Yone (Japan) Yu Sun (China) F5-1 Progression of degenerative spondylolisthesis of cervical spine in more than 5 year mid-term follow-up (Korea)Nam-Su Chung, Moon Soo Park, Seong-Hwan Moon, Tae-Hwan Kim, Ho Won Lee, K. Daniel Riew F5-2 Morbidity and risk factors of cervical lesions in rheumatoid arthritis patients with high disease activity under current pharmacological treatment (Japan)Takashi Kaito, Hiroyasu Fujiwara, Takashiro Makino, Masafumi Kashii, Kazuo Yonenobu F5-3 Relation between diamater of vertebral artery and frequency of termination as posterior inFerior cerebellar artery(PICA) (Japan)Takeshi Aoyama, Naoshi Obara F5-4 Juxtafacet cyst in the lower cervical spine: A report of three cases (Japan)Shinji Tanishima, Tokumitsu Mihara, Chikako Takeda, Masaki Yoshida, Hideki Nagashima Luncheon Seminar 12:20 - 13:20 Moderator: Takachika Shimizu (Japan) LS-1 Knowledge from Surgical Treatment for Cervical Myelopathy Associated with Athetoid Cerebral Palsy (Japan)Hisanori Mihara Moderator: LS-2 Masashi Neo (Japan) Chiari malformation I: Is it a Nature’s protective ‘air-bag’? (India)Atul Goel - 14 - Free Paper 6 Trauma 13:35 - 14:29 Moderators: Masahiko Watanabe (Japan) Vo Van Thanh (Viet Nam) F6-1 A Single stage posterior approach with open reduction and pedicle screw fixation in subaxial cervical facet dislocations (Korea)Jin Hoon Park, Sung Woo Roh, Dong-Ho Kang, Jeoung Hee Kim, Seung Chul Rhim F6-2 Outcome of dorsal open reduction with pedicle screw rod internal fixation for lower cervical dislocation: a retrospective analysis of 12 cases (China)Li Zhang, Yu Sun, Fengliang Wu, Miao Yu F6-3 3 Case Reports Of VAIs Following Cervical Spine Fracture-Dislocation (Japan)Euan Morita, Masato Anno, Keiji Hayakawa, Nobuhiro Hara, Sei Terayama, Takashi Yamazaki F6-4 Case report: Penetrating spinal cord injury caused by a needlefish (Viet Nam)Manh Hoang Tran, Thanh Van Vo F6-5 To develop a standard database system for spinal cord injury (Japan)Hiroaki Sakai, Ryosuke Ideta, Takeshi Maeda, Takayoshi Ueta, Keiichiro Shiba F6-6 The Efficacy of Modified Allen Staging Classification and Subaxial Injury Classification (SLIC) Scale of Distraction-Extension injury in Cervical Spine (Korea)Kyung-Jin Song, Yong-Jin Kim, Dong-Hun Ham, Jong-Hyun Ko Free Paper 7 Anterior Decompression and/or Fusion 2 14:30 - 15:33 Moderators: Hisanori Mihara (Japan) Dipak Shrestha (Nepal) F7-1 The diagnostic accuracy of radiographic fusion criteria following anterior cervical arthrodesis correlated with surgical exploration (Korea)Kwang-Sup Song, K. Daniel Riew, Jae Jun Yang, Young-Jun Ahn, Youngbae Kim F7-2 Subsidence after anterior cervical inter-body fusion. Is it related with clinical outcomes? (Korea)Chang-Hyun Lee, Ki-Jeong Kim, Seung-Jae Hyun, Jin Sup Yeom, Tae-Ahn Jahng, Hyun-Jib Kim F7-3 The fate of nonunion detected at 1 year after anterior cervical decompression and fusion (Korea)Jung-Ki Ha, Jae Hyun Kim, Dae Geun Kim, Jae Hwan Cho, Chang Ju Hwang, Choon-Sung Lee, Dong-Ho Lee F7-4 Serial changes of interspinous motion on dynamic cervical radiographs after anterior cervical arthrodesis in postoperative 1 year: Anterior cervical plating vs. grafts alone (Korea)Kwang-Sup Song, K. Daniel Riew, Jae Jun Yang, Young-Jun Ahn, Youngbae Kim F7-5 Anterior cervical dynamic plate application for degenerative cervical spine surgery (Japan)Atsuomi Aiba, Macondo Mochizuki, Ryo Kadota, Masao Kouda F7-6 Efficacy of a short plate with an oblique screw trajectory for anterior cervical plating: A comparative study with a two-year minimum follow-up (Korea)Jong-Hwa Park, Seung-Jae Hyun, Ki-Jeong Kim, Jin Sup Yeom, Tae-Ahn Jahng, Hyun-Jib Kim F7-7 Prevertebral Soft Tissue Swelling After Elective Anterior Cervical Surgery (Korea)Kyoung Suok Cho - 15 - Free Paper 8 Complication 1 15:40 - 16:25 Moderators: Taku Sugawara (Japan) Kyung-Jin Song (Korea) F8-1 Wide laminectomy and C4/5 foraminal stenosis were the risk factors of C5 palsy: Analysis of 206 cervical spondylotic myelopathy patients after selective laminectomy/laminoplasty (Japan)Satoshi Nori, Tateru Shiraishi, Ryoma Aoyama, Ken Ninomiya, Junichi Yamane, Kazuya Kitamura F8-2 Incidence and risk factors of C5 palsy after cervical posterior fusion, anterior fusion, and anterior-posterior fusion (Japan)Taro Inoue, Yasutsugu Yukawa, Keigo Ito, Yoshito Katayama, Tomohiro Matsumoto, Masaaki Machino, Jun Ouchida, Keisuke Tomita, Fumihiko Kato F8-3 A prospective cohort study analyzing risk factors for lamina closure after double door laminoplasty for treatment of cervical spondylotic myelopathy (Japan)Hidetsugu Maehara, Yoshiyasu Arai, Kenichiro Sakai, Makoto Soma, Ichiro Torigoe, Masaki Tomori, Takashi Hirai, Hirokazu Sato, Atsushi Okawa F8-4 Implant failures after the posterior fixation of the cervical spine (Japan)Takeo Furuya, Masao Koda, Taigo Inada, Koshiro Kamiya, Mitsutoshi Ota, Satoshi Maki, Kazuhisa Takahashi, Masashi Yamazaki F8-5 Risk factor analysis of hinge fusion failure after plate-only open-door laminoplasty (Korea)Chun Kee Chung, Chi Heon Kim, Sungjoon Lee Free Paper 9 Complication 2 16:25 - 17:10 Moderators: Nobuhiro Tanaka (Japan) Jae Taek Hong (Korea) F9-1 Prognosis of hardware related problems in anterior cervical discectomy and fusion with cage and plate constructs (Korea)Dong-Hun Ham, Jong-Hyun Ko, Kyung-Jin Song F9-2 Postoperative severe headache following cervical posterior surgical fixation from C2 distally (Japan)Ryoji Tauchi, Sang Hun Lee, Jin Young Kim, Yong Chan Kim, Shiro Imagama, Naoki Ishiguro, Jacob Buchowski, K Daniel Riew F9-3 A prospective comparative study on the time-dependent change of axial neck pain and cervical spine function between OPLL and CSM after laminoplasty for cervical myelopathy (Japan)Hiroyasu Fujiwara, Takashi Kaito, Takahiro Makino, Hirotsugu Honda, Kazuo Yonenobu F9-4 Impact of axial pain on surgical outcomes in patients undergoing cervical laminoplasty (Japan)Atsushi Kimura, Teruaki Endo, Hirokazu Inoue, Atsushi Seichi, Katsushi Takeshita F9-5 Prospective Multicenter Surveillance and Risk Factor Analysis of Surgical Site Infection after Posterior Cervical Spine Surgery in Adults (Japan)Satoshi Ogihara, Takashi Yamazaki, Hirohiko Inanami, Kota Miyoshi, Seiichi Azuma, Hirotaka Chikuda, Motoaki Murakami, Naohiro Kawamura, Kiyohumi Yamakawa, Yasushi Oshima, Toru Maruyama - 16 - Free Paper 10 CSR or CSA 17:15 - 17:51 Moderators: Akiyoshi Yamazaki (Japan) Kyung-Soo Suk (Korea) F10-1 Facetectomy can widen the foraminal diameter more than foraminotomy to prevent iatrogenic foraminal stenosis after cervical posterior spinal fusion (Japan)Akiyoshi Yamazaki, Tomohiro Izumi, Tatsuki Mizouchi, Hideki Tashi F10-2 Comparison between Anterior versus Posterior Decompression for Multilevel Cervical Spondylotic Myeloradiculopathy (Korea)Sang Hun Lee, Jae Chul Lee, Sang Do Kim, K Daniel Riew F10-3 What is the factor affecting the efficacy of cervical selective nerve root block? (Korea)Sung-Kyu Kim, Jae-Yoon Chung, Hyoung-Yeon Seo F10-4 Prognostic Factors Affecting Postsurgical Recovery of Deltoid Palsy due to Cervical Disc Herniations (Korea)Jong-Beom Park, Jae-Yoon Chung, Han Chang, Kyung-Jin Song, Jin-Hyok Kim, Chang-Hwa Hong, Jung Sub Lee, Sang Hun Lee, Byung-Wan Choi, Donghwan Lee Evening Sponsored Seminar 18:10 - 18:40 Moderator: Masashi Yamazaki (Japan) ES International Perspectives on the use of Biologics in Spine Surgery (Japan) Seiji Ohtori - 17 - Sat. March 28 The Conference Center, PACIFICO YOKOHAMA.5F 503 Free Paper 11 Imaging Study 1 7:30 - 8:24 Moderators: Morio Matsumoto (Japan) Heui-Jeon Park (Korea) F11-1 Cervical disc degeneration starts primarily and progresses the most slowly among whole spine. -Analysis of whole spine MRI in 100 asymptomatic volunteers(Japan)Toshiki Okubo, Ryoma Aoyama, Ken Ninomiya, Satoshi Nori, Ukei Anazawa, Hikaru Hotta, Tateru Shiraishi F11-2 Characteristic findings of imaging in cervical canal stenosis without symptoms - Analysis of dynamic MRI and X-ray photography in 100 asymptomatic volunteers (Japan)Ryoma Aoyama, Tateru Shiraishi, Masahiro Kato, Junichi Yamane, Ken Ninomiya, Kazuya Kitamura, Satoshi Nori, Takahito Iga, Ukei Anazawa, Hiraku Hotta F11-3 The MRI Morphometric Study of Normal Cervical Disc (Thailand)Warat Tassanawipas, Prapat Poomsichayo F11-4 Disc degeneration of cervical spine on MRI in patients with lumbar disc herniation: comparison study with asymptomatic volunteers (Japan)Eijiro Okada, Morio Matsumoto, Daisuke Ichihara, Kazuhiro Chiba, Hirokazu Fujiwara, Yuji Nishiwaki, Takeshi Takahata F11-6 Intramedullary high signal lesions on T2-weighted MR images with minimal cord compression in cervical spondylotic myelopathy (Korea)Byeong- Sam Choi, Seung-Wook Baek, Han Chang F19-2 The relationship between T1 slope and cervical alignment following multilevel posterior cervical fusion surgery: The impact of T1 slope minus cervical lordosis (Korea)Seung-Jae Hyun, Ki-Jeong Kim, Tae-Ahn Jahng, Hyun-Jib Kim Free Paper 12 Imaging Study 2 8:25 - 9:28 Moderators: Yasutsugu Yukawa (Japan) Han Chang (Korea) F12-1 Significance of intramedullary high-signal intensity on magnetic resonance imaging in patients with cervical ossification of the posterior longitudinal ligament: Radiological and clinical analyses of 241 patients (Korea)Byung-Wan Choi, Tae-Uk Nam, Dong-Hoon Baek, Han Chang F12-2 Qualitative analysis for spinal intramedullary lesions using PET-CT (Japan)Kentaro Naito, Toshihiro Takami, Toru Yamagata, Naohiro Tsuyuguchi, Kenji Ohata F12-3 Measurement and comparison of postoperative anterior cord space between C2 to C7 and C3 to C7 laminoplasty on MRI (China)Yinze Diao, Yu Sun, Shaobo Wang, Fengshan Zhang, Shengfa Pan, Xiaoguang Liu, Zhongjun Liu F12-4 Ossification of the posterior longitudinal ligament of the cervical spine in 3,161 patients: a CT-based study in United States (Japan)Takahito Fujimori, Hai Le, Serena S Hu, Cynthia Chin, Murat Pekmezci, William Schairer, Bobby K Tay, Toshimitsu Hamasaki, Hideki Yoshikawa, Motoki Iwasaki - 18 - F12-5 In-vivo three dimensional kinematics of the subaxial spine in patients with rheumatoid arthritis during head rotation (Japan)Tsuyoshi Sugiura, Yukitaka Nagamoto, Yohei Matsuo, Takahiro Makino, Masafumi Kashii, Takashi Kaito, Motoki Iwasaki, Kazuomi Sugamoto F12-6 Pathognomonic radiological findings of cervical spondylotic amyotrophy and radiculopathy with cervical foraminal stenosis (Japan)Yoshio Shinozaki, Kota Kojima, Yuichiro Mima, Mitsuhiro Nishida, Yoshiomi Kobayashi, Yohei Takahashi, Jun Ogawa F12-7 Reliability of MRI For The Preoperative Assessment oF Compression Status at C6/7 Disc Level Compared with Myelography (Japan)Akihiro Koh, Shuichi Kaneyama, Masatoshi Sumi Free Paper 13 Posterior Instrumentation 9:35 - 10:29 Moderators: Masatoshi Sumi (Japan) Rafael Cruz Bundoc (Philippines) F13-1 A Novel Patient-Specific Drill Template for Pedicle Screw Insertion in the Sub-Axial Cervical Spine Using Desktop Stereolithography: An In-Vitro Study (Philippines)Rafael C Bundoc, Giorgio D Delgado, Samuel M Grozman F13-2 The availability and current limitation of the Screw Guide Template system for insertion of cervical pedicle screws in severely deformed vertebra (Japan)Shuichi Kaneyama, Taku Sugawara, Naoki Higashiyama, Masato Takabatake, Masatoshi Sumi F13-3 Safety evaluation of free-hand lateral mass screw fixation in the subaxial cervical spine; evaluation of 1256 screws (Korea)Jung-Ho Seo, Kyung-Soo Suk, Hak-Sun Kim, Hwan-Mo Lee, Seong-Hwan Moon, Hyuk Jeon, Jae-Hyung Eoh, Jin-Soo Kim F13-4 Surgical technique for cervical pedicle screw insertion -Cannulated CPS (Japan)Nobuyuki Shimokawa, Junya Abe, Kesuke Shirosaka F13-5 Radiologic Analysis of Pedicle Marker Inserted Correctly and Incorrectly in the Cervical Spine (Japan)Hiroshi Miyamoto, Terumasa Ikeda, Kazuki Hashimoto, Masao Akagi F13-6 A Feasibility of Microscope-assisted Free-hand Technique for Pedicle Screw Insertion of C7 Vertebra without Fluoroscopy (Korea)Bo Gun Suh, Jae Hyung Eoh, Jong Ho Park, Gun Woo Lee, Won Noh, Jong Hwa Won, Soon Woo Hong Invited Lecture 10:35 - 11:15 Moderator: IL-1 Tateru Shiraishi (Japan) Lateral Approaches to the Cervical Spine (United Kingdom)Andre Jackowski IL-2 Reconstruction for Laminectomy Defect (Korea)Jin Sup Yeom Preview: CSRS-AP 2016 11:15 - 11:20 President: Jin Sup Yeom (Korea) - 19 - Asian Symposium Leaders Lecture 11:35 - 13:05 Moderators: Andre Jackowski (United Kingdom) Bruce Darden (United States) Chang-Hyun Lee (Korea) Kazuo Yonenobu (Japan) AS-1 A novel technique of cervical laminoplasty with“titanium laminoplasty basket”-An early clinical experience- (Japan) Junichi Mizuno, Yukoh Ohara, Hidenori Matsuoka, Natsuki Hattori, Masahito Tomii AS-2 Revision surgery of the upper cervical spine (Thailand)Torphong Bunmaprasert AS-3 A MRI characterization of the dorsal cervical cord migration behaviour in hybrid open-door laminoplasty (Singapore)Gabriel Liu AS-4 Congenital“Sandwich”Atlantoaxial Instability (China)Shenglin Wang, Chao Wang AS-5 The diagnostic value of intraoperative neurophysiologic monitoring in the intramedullary spinal cord tumor surgery according to different alarm points (Korea)Ki-Jeong Kim, Jong-Hwa Park, Seung-Jae Hyun, Tae-Ahn Jahng, Hyun-Jib Kim, Kyung Seok Park AS-6 Cranio-cervical and atlanto-axial instrumentation in resource constrained countries like Nepal: challenges and opportunities (Nepal)Dipak Shrestha AS-7 The Surgical management of Cervical Myelopathy- A perspective from Asia Pacific (Viet Nam)Vo Van Thanh Free Paper 14 Spinal Cord Tumor 13:20 - 14:14 Moderators: Masaya Nakamura (Japan) Ki-Jeong Kim (Korea) F14-1 Clinical results of surgical treatment for dumbbell schwannoma in cervical lesion (Japan)Hitoshi Tonomura, Masateru Nagae, Shigeyuki Kitanaka, Hironori Koike, Kunihiko Hosoi, Munehiro Sakata, Hidenobu Ishibashi, Takumi Ikeda, Yasuo Mikami, Toshikazu Kubo F14-2 Surgical outcomes of tumor resection without fusion through posterior approach for cervical dumbbell tumors in subaxial lesion (Japan)Yuya Ishikawa, Kei Watanabe, Toru Hirano, Keiichi Katsumi, Masayuki Ohashi, Yohei Shibuya, Naoto Endo F14-3 Muscle-preserving Unilateral Posterior Arch Recapping Technique (UPART) Can Prevent Postoperative Malalignment After Cervical Spinal Cord Tumor Excision (Japan)Kazuya Kitamura, Tateru Shiraishi, Ryoma Aoyama, Junichi Yamane, Ken Ninomiya, Seiji Ueda F14-4 Diffusion Tensor Tractgraphy Is Clinically Useful for Prognostic Prediction After Surgery In Spinal Cord Tumor (Japan)Yoshiomi Kobayashi, Akio Iwanami, Morito Takano, Jun Ogawa, Yoshiaki Toyama, Morio Matsumoto, Masaya Nakamura F14-5 Surgical Strategy for Intramedullary Spinal Cord Tumors Based on the Transcranial Electrically Stimulated Muscle Evoked Potential Monitoring: The JSSR Prospective Multi-Center Study (Japan)Yasushi Fujiwara, Yukihiro Matsuyama, Sho Kobayashi, Takanori Saito, Muneharu Ando, Zenya Ito, Shigenori Kawabata, Tsukasa Kanchiku, Kei Yamada, Kanichiro Wada, Toshikazu Tani - 20 - F14-6 Posterolateral sulcus approach for spinal intramedullary tumor: Surgical indication and technique (Japan)Toshihiro Takami, Kentaro Naito, Toru Yamagata, Kenji Ohata Free Paper 15 Upper Cervical Spine 1 14:20 - 14:56 Moderators: Masashi Neo (Japan) Shenglin Wang (China) F15-1 High Riding Vertebral Artery, Ponticulus Ponticus and Surgical Morphometry of C1/C2: a Computed Tomographic Analysis of 180 Chinese, Indian and Malay (Malaysia)Chee Kean Lee, Tiam Siong Tan, Chris Yin Wei Chan, Mun Keong Kwan F15-2 Redefining High-riding vertebral artery from the perspective of the trajectory of C2 pedicle screw (Japan)Satoshi Maki, Masao Koda, Koshiro Kamiya, Taigo Inada, Mitsutoshi Ota, Takeo Furuya, Kazuhisa Takahashi, Masashi Yamazaki F15-4 Significance of various Radiological parameters to predict dysphagia and dyspnea after occipitocervcial fixation-Clinical Analysis (Korea)Jae Taek Hong, Il Sup Kim, Moon Seok Kim, Jun Young Kim F15-5 Kinematical changes of occipitoatlantoaxial junction following cervical laminoplasty for cervical spondylotic myelopathy (Japan)Asuka Desroches, Yuichiro Morishita, Itaru Yugue, Takeshi Maeda, Keiichiro Shiba Free Paper 16 Upper Cervical Spine 2 15:05 - 15:50 Moderators: Ken Ishii (Japan) Atul Goel (India) F16-1 A retrospective analysis of subaxial subluxation following atlanto-axial arthrodesis in patients with rheumatoid arthritis based on annual radiographs obtained for five years (Japan)Haku Iizuka, Yoichi Iizuka, Tokue Mieda, Yasunori Sorimachi, Kenji Takagishi F16-2 A custom made collar does not prevent atlantoaxial subluxation during flexion of the trunk (Finland)Marko H Neva, Merja Kumpulainen, Katariina Kornilof, Jari Ylinen, Tuulikki Sokka, Arja Hakkinen F16-3 Minimally invasive stabilization of upper cervical spines via direct posterolateral approach (Japan)Takamitsu Tokioka, Takahiro Hayashi F16-4 Minimally invasive upper cervical surgery using 3D fluoroscopy and navigation system with preservation of the semispinalis cervicis inserting on the C2 spinous process (Japan)Keitaro Matsukawa, Yoshiyuki Yato, Hideaki Imabayashi, Naobumi Hosogane, Hiroshi Sasao, Takashi Asazuma F16-5 Accurate and simple screw insertion procedure with patient-specific screw guide templates for posterior C1-C2 fixation (Japan)Taku Sugawara, Naoki Higashiyama, Shuichi Kaneyama, Masato Takabatake, Masatoshi Sumi - 21 - Free Paper 17 Anterior Decompression and/or Fusion 1 15:55 - 16:40 Moderators: Macondo Mochizuki (Japan) Jong-Beom Park (Korea) F17-1 ACDF with Total En Bloc Resection of Uncinate in Foraminal Stenosis of the Cervical Spine; Comparison with Conventional ACDF (Korea)Kyung-Soo Suk, Hak-Sun Kim, Hwan-Mo Lee, Seong-Hwan Moon, Jung-Ho Suh, Jae-Hyung Eoh F17-2 Assessment of amount of decompression approached from interbody in anterior cervical fusion using interbody cage (Japan)Masayoshi Fukushima, Kota Miyoshi, Yujiro Takeshita, Yasushi Oshima, Hirotaka Chikuda F17-4 Application of cervical arthroplasty with Bryan cervical disc: 10 years follow-up results in China (China)Yanbin Zhao, Yu Sun F17-5 Comparison of Clinical Outcomes after Anterior Cervical Discectomy and fusion with or without L-ASR cage (Korea)Jae-Young Hong, Yoon-Kwang Bae, Sung-Woo Hong F17-6 Bone Union Rate following Anterior Cervical Fusion using a Polyetheretherketone Cage: Comparison between a Hydroxyapatite/b-Tricalcium Phosphate Mixture versus a Hydroxyapatite/Demineralized Bone Matrix Mixture: a Prospective, Randomized, Noninferiority Clinical Trial (Korea)Jemin Yi, Gun Woo Lee, Woo Dong Nam, Jong Won Kang, Seong Wan Kim, Won Noh, Jin Sup Yeom, Jong Hwa Won Free Paper 18 Sagittal Balance 1 16:55 - 17:31 Moderators: Takachika Shimizu (Japan) Torphong Bunmaprasert (Thailand) F18-1 The severity of operative invasion to the posterior muscular-ligament complex influences the cervical sagittal balance after open-door laminoplasty (China)Yu Sun, Fengshan Zhang, Shengfa Pan, Yinze Diao, Xin Chen F18-2 Effect of Preoperative Sagittal Balance on Cervical Laminoplasty Outcomes in Elderly Patients (Japan)Yasushi Oshima, Takeshi Oichi, Masayoshi Fukushima, Kentaro Hayakawa, Yoshitaka Matsubayashi, Yuki Taniguchi, Hirotaka Chikuda F18-3 Grobal spine balance after cervical laminoplasty in patients with cervical spondylotic myelopathy (Japan)Jun Ouchida, Yasutsugu Yukawa, Keigo Ito, Yoshito Katayama, Tomohiro Matsumoto, Masaaki Machino, Taro Inoue, Fumihiko Kato F18-4 Correlation of Post-Laminoplasty Cervical Sagittal Changes with Total Spinal Sagittal Alignment (Japan)Yoshitaka Suzuki, Tetsuya Ohara, Taichi Tsuji, Toshiki Saito, Ayato Nohara, Ryoji Tauchi, Kosuke Takimura, Kyotaro Ohta, Noriaki Kawakami - 22 - Free Paper 19 Sagittal Balance 2 17:35 - 18:11 Moderators: Kuniyoshi Abumi (Japan) Dong-Ho Lee (Korea) F19-1 Two-year follow-up evaluation of alternative surgical treatments for cervical spondylotic myelopathy patients with cervical mis-alignment and/or large anterior impingement (Japan)Takashi Hirai, Yoshiyasu Arai, Kenichiro Sakai, Ichiro Torigoe, Hidetsugu Maehara, Masaki Tomori, Makoto Soma, Takashi Taniayama, Toshitaka Yoshii, Hirokazu Sato, Atsushi Okawa F19-2 Session changed (Free Paper 11) F19-3 Factors affecting cervical sagittal balance after multilevel anterior cervical fusion (Japan)Ryo Kadota, Macondo Mochizuki, Atsuomi Aiba, Masao Koda, Masashi Yamazaki F19-4 Can We Obtain Quantitative and Adequate Cervical Sagittal Alignment in Posterior Cervical Surgery Using A Novel Skull Clamp Positioning System? (Japan)Nodoka Manabe, Takachika Shimizu, Tetsu Tanouchi, Keisuke Fueki, Naofumi Toda, Masatake Ino, Kanako Itoh F19-5 Sagittal Alignment Following Hybrid Cervical Surgery (Indonesia)Didik Librianto, Phedy Lim Closing Remarks 18:11 - 18:16 President: T ateru Siraishi (Japan) - 23 -
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