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WMC Orthopaedics Faculty
 
WMC Orthopaedics Faculty
 

Dr. Yoichi Aota

Department of Orthopaedic Surgery
Yokohama City University

Japan
236-0004

 
 

Brief Biography:

Peer-Reviewed Articles:

Original Papers

  1. Hirabayashi S, Kumano K, Ogawa Y, Aota Y, Maehiro S: Microdiscectomy and second operation for lumbar disc herniation, Spine, 18, 2206-2211, 1993.
  2. Kumano K, Hirabayashi S, Ogawa Y, Aota Y: Pedicle screws and bone mineral density, Spine, 19, 1157-61, 1994.
  3. Aota Y, Kumano K, Hirabayashi S, Ogawa Y: Reduction of lumbar spondylolisthesis using a CDI pedicle screw system, Arch Orthop Trauma Surge, 114, 188-193, 1995.
  4. Aota Y, Kumano K, Hirabayashi S: Postfusion instability at the adjacent segments after rigid pedicle screw fixation for degenerative lumbar spinal disorders, J Spinal Disord 8, 464-473, 1995.
  5. Aota Y, Onari K, An HS, Yoshikawa K, Dorsal Root Ganglia Morphology in Patients with Herniation of the Nucleus Pulposus: Assessment Using Magnetic Resonance myelography and Clinical Correlation, Spine, 26, 2125?2132, 2001.
  6. Masuda K, Aota Y, Muehleman C, Imai Y, Nguyen C, Thonar EJM, Andersson G, An HS, A novel rabbit model of mild, progressive, disc degeneration: Correlation between the degree of disc injury and radiological and histological appearances of disc degeneration, Spine 30: 5?14, 2005
  7. Aota Y, An HS, Homandberg G, Thonar EJM, Andersson G, Pichika R, Masuda K, Differential effects of fibronectin fragment on proteoglycan metabolism by intervertebral disc cells: A comparison with articular chondrocytes, Spine 30:722-8.2005
  8. Aota Y, An HS, Imai Y, Thonar EJM, Muehleman C, Masuda K, Comparison of cellular response in bovine intervertebral disc cells and articular chondrocytes: effects of lipopolysacharride on proteoglycan metabolism, Cell Tissue Res, 326,787-93, 2006
  9. Aota Y, Niwa T, Yoshikawa K, Fujiwara A, Asada T, Saito T, Magnetic resonance imaging and magnetic resonance myelography in presurgical diagnosis of lumbar foraminal stenosis, Spine 32,896-903, 2007
  10. Aota Y, Iizuka H, Ishige Y, Mochida T, Yoshihisa T, Uesugi M, Saito T, Effectiveness of a lumbar support continuous passive motion device in the prevention of low back pain during prolonged sitting, Spine, 1,32 (23):E674-7, 2007
  11. Aota Y, Niwa T, Uesugi M, Yamashita T, Inoue T, Saito T, The correlation of diffusion-weighted magnetic resonance imaging in cervical compression myelopathy with neurological and radiological severity, Spine 33, 814-820, 2008
  12. Ozeki N, Aota Y, Uesugi M, Kaneko K, Mihara H, Niimura T, Saito T, Clinical results of intrapedicular partial pediculectomy for lumbar foraminal stenosis, Journal of Spinal Disorders and Techniques, 21, 324-327, 2008
  13. Yamashita T, Aota Y, Kushida K, Murayama H, Hiruma T, Takeyama M, Iwamura Y, Saito T. Changes in physical function following palliative surgery for metastatic spinal tumor: association of the revised Tokuhashi score with neurological recovery, Spine. 33(21):2341-2346, 2008
  14. Aota Y, Saito T, Uesugi M, Ishida K, Shinoda K, Mizuma K, Does the “fists-on-clavicles” position represent a functional standing position? Spine 34(8):808-12. 2009
  15. Takeuchi R, Aratake M, Bito H, Saito I, Kumagai K, Hayashi R, Sasaki Y, Akamatsu Y, Ishikawa H, Amakado E, Aota Y, Saito T, Clinical results and radiological evaluation of opening wedge high tibial osteotomy for spontaneous osteonecrosis of the knee. Knee surgery, sports traumatology, arthroscopy. 2009 Apr;17(4):361-8.
  16. Bito H, Takeuchi R, Aratake M, Saito I, Kumagai K, Hayashi R, Sasaki Y, Akamatsu Y, Ishikawa H, Amakado E, Aota Y, Saito T. A predictive factor for acquiring an ideal lower limb realignment after opening wedge high tibial osteotomy. Knee surgery, sports traumatology, arthroscopy. 2009 Apr;17(4):382-9.
  17. Naito M, Sakamoto Y, Terayama H; Hirai S, Qu N, Aota Y, Itoh M. Histopathology and delayed-type hypersensitivity of C3H/He and A/J mice after unilateral testicular rupture. Journal of Reproductive Immunology 2009. 81 55-61
  18. Aota Y, Saito T, Uesugi M, Kato S, Kuniya H, Koh R. Optimal arm position for evaluation of spinal sagittal balance. Journal of Spinal Disorders and Techniques, 2011 Apr;24(2):105-9. 

 

Non-Peer Reviewed Articles

  1. Aota Y, Honda A, Uesugi M, Yamashita T, Baba N, Niwa T, Saito T. Vertebral artery injury. J Neurosurgery (Spine) 2007. 7.112-113.
  2. Uesugi M, Aota Y, Ozeki N, Kaneko K, Iwamura Y, Kondo S, Mihara H, Kono M, Toguchi A, Nakamura J, Saito T, Relation between clinical results and lumbosacral alignment of degenerative lumbar scoliosis, The journal of the Japanese Society for spine surgery and related research 18, 581-583, 2007
  3. Kondo S, Mihara H, Kouno M, Fukushima K, Niimura T, Onari K, Aota Y, Uesugi M, Saito T, Anterior and posterior spinal fusion for cervical spondylotic myelopathy in patients with athetoid cerebral palsy: Grading of athetoid motion, The journal of the Japanese Society for spine surgery and related research 18, 669-672, 2007

 

Case report

Peer-Reviewed Articles:

  1. Ogawa Y. Kumano K, Hirabayashi S, Aota Y: A ganglion cyst in the lumbar spinal canal. A case report. Spine 17: 1429-1431. 1992
  2. Shiono T. Yoshikawa K. Aota Y. Eguchi M. Teshima Y. Tanaka J. Iwasaki N. Two cases of ganglion cysts in the lumbar spinal canal. Radiation Medicine. 12(3):125-8, 1994
  3. Akimoto M, Fukunishi I, Sakata M, Sato M, Saito Y, Aota Y, Yamada T, Sasaki K: Somatoform Pain disorder in a case of Kleinfelter’s syndrome with multiply operated back. Psychiatry and Clinical Neurosciences 49. 267-271. 1995
  4. Aota Y, Saito Y, Yoshikawa K, Asada T, Kondo S, Watanabe K: Presurgical identification of extradural nerve root anomalies by coronal fat-suppressed magnetic resonance imaging. A report of six cases and a review of the literature. J Spinal Disord 10: 167-175. 1997
  5. Aota Y, Onari K, Suga Y. Iliopsoas Abscess and persistent radiculopathy: A Rare Complication of Continuous Infusion Techniques of Epidural Anesthesia. Anesthesiology 96. 1023-5. 2002.
  6. Aota Y, Honda A, Yamashita T, Baba N, Saito T. A case of an invasive schwannoma developing at gibbus due to an old tuberculous spine. J Lumbar Spine Disord 11. 102-6. 2005
  7. Yoshida T, Matsuda H, Horiuchi C, Taguchi T, Nagao J, Aota Y, Honda A, Tsukuda M. A case of osteochondroma of the atlas causing obstructive sleep apnea syndrome. Acta Otolaryngol. 2006,126:445-8
  8. Aota Y, Honda A, Uesugi M, Yamashita T, Baba N, Niwa T, Saito T. Vertebral artery injury in C-1 lateral mass screw fixation. Case illustration. J Neurosurgery (Spine) 2006. 5. 554.
  9. Ishida K, Aota Y, Uesugi M, Shinoda K, Mizuma K, Saito T. Late onset of thoracic myelopathy with Type 2 congenital deformity: A case report. The Open Spine Journal 2010. 2. 21-23

 

Oral Presentations

  1. Kumano K, Hirabayashi S, Ogawa Y, Aota Y. C-D. I pedicle screws and bone mineral density. 9th international congress on Cotrel-Dubousset instrumentation. Paris, France Oct.1992.
  2. Yoshikawa K, Shiono T, Abe O, Takenaka E, Aota Y, Kumano K. Postoperative 3-D CT of the dynamics of the cervical spine. 79th annual meeting of Radiological Society of North America. Chicago, Dec. 1993.
  3. Kumano K, Hirabayashi S, Uchida T, Aota Y. Pedicle screw-Galveston method for sacral fixation. 10th international congress on Cotrel-Dubousset instrumentation. Seoul. Oct. 1993.
  4. Aota Y, Kumano K, Hirabayashi S, Uchida T. Unfavorable postoperative effect of the instrumented lumbar spine upon the adjacent disc levels. 10th international congress on Cotrel-Dubousset instrumentation. Seoul, Korea?Oct. 1993.
  5. Aota Y, Saitoh Y, Takano R, Satoh M, Kondoh S, Watanabe K, Ohnari K, Toguchi A, Hachiya M, Yamada K. Utility of the scratch horn of ultrasonic osteotome in lumbar spinal surgery. The combined meeting of spinal & paediatric sections of W. P. O. A. & annual meeting of the association of spinal surgery, R. O. C. Taipei. May.1994.
  6. Toguchi A, Hachiya M, Ohnari K, Fujii H, Yamada K, Saitoh Y, Aota Y, Kondoh S, Watanabe K. Effects of the ultrasonic osteotome upon dura and spinal cord. -An electrophysiological & histological investigations. The combined meeting of spinal & paediatric sections of W. P. O. A. & annual meeting of the association of spinal surgery, R. O. C. Taipei.May.1994.
  7. Watanabe K, Kondoh S, Hasagawa T, Sakanishi H, Ohnari K, Toguchi A, Hachiya M, Yamada K, Saitoh Y, Aota Y. Cervicalspinal surgery using the scratch horn of ultrasonic osteotome. The combined meeting of spinal & paediatric sections of W. P. O. A. & annual meeting of the association of spinal surgery, R. O. C. Taipei. May.1994.
  8. Aota Y, Saito Y, Ohnari K, Toguchi A, Mihara H, Kondoh S, Watanabe K. Medial facetectomy by ultrasonic osteotome for subarticular entrapment of the lumbar nerve root. WPOA.1995. Hong Kong
  9. Watanabe K, Kondoh S, Ohnari K, Saitoh Y, Toguchi A, Aota Y, Mihara H, Yamada K, Doi T, Suzuki M, Idemoto M. Surface temperature of ultrasonic osteotome and bone during surgery- Comparison with airdrills. WPOA.1995. Hong Kong
  10. Matsumoto T, Masuda K, Chen S, An HS, Andersson G, Aota Y, Horvath E, Thonar E. Transfer of Osteogenic protein-1 gene by gene gun system promotes matrix sunthesis in bovine intervertebral disc and articular cartilage cells. 47th Annual meeting of Orthopedic Research Society.  San Francisco, California, Feb.2001
  11. Aota Y, Masuda K, Nguyen C, Andersson GBJ, Thonar E, An HS. Radiological and MRI analyses of a novel rabbit model: A mild, progressive disc degeneration. 48th Annual meeting of Orthopedic Research Society. Dallas, TX, Mar.2002
  12. Muehleman C, Masuda K, Imai Y, Aota Y, Thonar EJ, An HS. Histological Assessment of a novel needle puncture model: A mild, progressive intervertebral disc degeneration. 49th Annual meeting of Orthopedic Research Society. New Orleans, LA, Mar.2003
  13. Aota Y, Thonar E, An H, Masuda K. Lipopolysaccharide (LPS) has different effects on proteoglycan synthesis and degradation by cells from the annulus fibrosus, nucleus pulposus and articular cartilage. Spine across the Sea. July, 2003. Maui, HI
  14. Aota Y, Honda A, Uesugi M, Yamashita T, Baba N, Ishii K, Niimura T, Saito T. Potential risk of vertebral artery injury in C1 lateral mass screwing. The 6th combined congress of spine & pediatric orthopedic sections, APOA. Nov. 2005. Taipei, Taiwan
  15. Aota Y, Niwa T, Uesugi M, Inoue T, Saito T. The Correlation of Diffusion-Weighted Magnetic Resonance Imaging in Cervical Compression Myelopathy with Neurological and Radiological Severity. 35th annual meeting of cervical spine research society. Nov. 2007. San Francisco, CA

 

Poster presentation

  1. Yoshikawa K, Shiono T, Okubo T, Takenaka E, Aota Y, Kumano K. Contrast-enhanced MR imaging with fat suppression of normal and pathologic lumbosacral nerve roots and dorsal root ganglions. 78th annual meeting of Radiological Society of North America. Chicago, Dec.1992.
  2. Aota Y, Asada T, Yoshikawa K, Ida M, Wakabayashi M, Sakai K. MR imaging of compartment syndrome of dorsal root ganglion in sciatica. Radiological Society of North America, Chicago, IL 1995
  3. Aota Y, Saito Y, Yamada T, Kondoh S, Watanabe K, Yoshikawa K, Sakai K, Asada T . MR myelography and the identification of nerve-root anomalies. WPOA.1995. HongKong
  4. Aota Y, Ohnari K, Yoshikawa K, Fujiwara A, An HS. Morphology of the dorsal root ganglion in patients with herniation of the nucleus pulposus: Assessment using Magnetic Resonance Myelography. 27th annual meeting of the internatioal society for the study of the lumbar spine, Cairns, Australia, 2000
  5. Aota Y, Masuda K, Homandberg G, Thonar E, An HS. Fibronectin fragments upregulate proteoglycan synthesis by intervertebral disc cells. A comparison with articular chondrocytes. 28th annual meeting of the internatioal society for the study of the lumbar spine, Edingburgh, Scotland, May. 2001
  6. 6.      Aota Y, Masuda K, Nguyen C, Hu Z, Matsumoto T, Thonar E, An HS. A novel rabbit model of mild progressive disc degeneration. North American Spine Society. Seattle. WA. Nov.2001
  7. Aota, Y, An, H, Thonar, E, Homandberg, G, Imai Y, Masuda, K. Fibronectin fragments have different effects on proteoglycan synthesis by cells from annulus fibrosus, nucleus pulposus and articular cartilage. 48th Annual meeting of Orthopedic Research Society. Dallas, TX, 2002
  8. Aota Y, Yoshikawa K, Fujiwara A, Kondo S. Nerve root swelling and symptomatic impingement on dorsal root ganglion due to lateral spinal canal stenosis: A prospective study. 30th annual meeting of the internatioal society for the study of the lumbar spine. May 2002 Meeting, Cleveland, USA
  9. Aota Y, Thonar E, An H, Masuda K. Lipopolysaccharide (LPS) has different effects on proteoglycan synthesis and degradation by cells from the annulus fibrosus, nucleus pulposus and articular cartilage. 49th Annual meeting of Orthopedic Research Society. New Orleans, Mar. 2003
  10. Aota Y, Thonar E, An H, Masuda K. Lipopolysaccharide (LPS) has different effects on proteoglycan synthesis and degradation by cells from the annulus fibrosus, nucleus pulposus and articular cartilage. 31th annual meeting of the internatioal society for the study of the lumbar spine. May. 2003 Meeting, Vancouver, Canada
  11. Aota Y, Honda A, Hori T, Shinohara K, Fujiwara Y, Maeda K, Saito Y, Saito T. A controlled comparison of conventional MR imaging and MR myelography in diagnostic accuracies of lumbar foraminal stenosis. 32th annual meeting of the internatioal society for the study of the lumbar spine. May.2004 Meeting, Porto, Portogal
  12. Aota Y, Iizuka H, Ishige Y, Mochida T, Yoshihisa T, Honda A, Yamashita T, Baba N, Saito T. Is lumbar lordotic continuous passive motion effective for prevention of low back pain in prolonged sitting? 51st Annual meeting of Orthopedic Research Society. Washington, D.C. Feb.2005
  13. Aota Y, Iizuka H, Ishige Y, Mochida T, Yoshihisa T, Uesugi?M, Saito T. Dual lumbar continuous passive motion device works effectively for prevention of low back pain during prolonged sitting. 34th annual meeting of the internatioal society for the study of the lumbar spine. May. 2007, Hong Kong, China
  14. Aota Y, Honda A, Toguchi A, Nakamura J, Shinoda K, Uesugi M, Saito T. Safe and effective transarticular screwing method in the mid or lower cervical spine. Euro Cervical Spine Research Society. May 2008. Geneva
  15. Shinoda K, Aota Y, Uesugi K, Ishida K, Mizuma K, Saito T. Modic change in the orthopedics outpatients and associations of the low back pain. 35th annual meeting of the internatioal society for the study of the lumbar spine. May 2008. Geneva
  16. Aota Y, Uesugi M, Kato S, Ko R, Kuniya H, Hayashi R, Takeuchi R, Saito T. Dual Lumbar Continuous Passive Motion Device Works Effectively for Prevention of Low Back Pain during Prolonged Sitting. 55th Annual Meeting of the Orthopaedic Research Society, February 22-25, 2009, Las Vegas, Nevada.
 

Academic positions:

1999- 2001: Visiting Research Fellow. Rush-Presbyterian - St. Luke’s Medical Center. Chicago, USA. Dept. of Orthopedic Surgery, Section of Spine Surgery.

2003-2008: Assistant Professor. Dept. of Orthop. Surg. Yokohama City University.

2008-present: Associate Professor Dept. of Orthop. Surg. Yokohama City University Hospital. 

 

Research interests:

 1. A novel laminoplasty technique in cervical spine,
 2. Diagnosis of pyogenic spondylitis using real-time PCR,
 3. Diffuion MR imaging in cervical myelopathy,
 4. MR myelography in the presurgical diagnosis of lumbar foraminal stenosis,
 5. Trans-facet screwing in cervical spine,
 6. A novel instrumentation technique in repair of lumbar spondylolysis,
 7.Pathomachanism in the onset of idiopathic scoliosis.

 

What I think of the idea behind WebmedCentral:

An international and multidisciplinary journal that publishes original, peer-reviewed articles on research and high-quality, ethical, evidence-based medical care, including basic science, clinical investigations, reviews of specific topics and technical notes, editorials, commentary and special features.