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New surgical technique in atlanto-axial fixation for eradicating lethal vascular complications.-Biomechanical and anatomical evaluation -

Research Project

Project/Area Number 19591728
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Orthopaedic surgery
Research InstitutionNagoya City University

Principal Investigator

MIZUTANI Jun  Nagoya City University, 大学院・医学研究科, 助教 (70326156)

Co-Investigator(Kenkyū-buntansha) INOUE Nozomu  同志社大学, 工学部, 教授 (30193600)
ABUMI Kuniyoshi  北海道大学, 保健管理センター, 教授 (00159419)
Project Period (FY) 2007 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2008: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Fiscal Year 2007: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
Keywords環軸椎固定術 / 椎弓根スクリュー / 外側塊スクリュー / 致死的合併症 / 内頚動脈 / 椎骨動脈生体力学強度 / 環椎外側塊スクリュー / 生体力学 / 内頚動脈損傷 / 椎骨動脈損傷 / 軸椎椎弓根スクリュー
Research Abstract

近年普及してきた環椎外側塊スクリューにおける致死的合併症を根絶し、さらに安全で強固な環軸椎固定術を可能とするために、従来から着目してきた環椎外側塊スクリューの後弓刺入法の有用性に関して、解剖学的、生体力学的に検討を行った。
の有用性に関して、解剖学的、生体力学的に検討を行った。環椎外側塊スクリューの刺入方法は、十分に内方刺入角度を確保すれば、致死的合併症なく安全に刺入しうることを明らかとしたが、同時に、術中刺入誤差や術前存在する環軸椎の回旋角度など種々の要因から、意図した刺入角度は決して保証されないため、術中刺入に際して十分注意する必要があることを解明した。
生体力学試験では直接刺入法と後弓刺入法とを比較検討し、後弓刺入法が生体力学的にきわめて強固であり、有用性が高いことを解明した。
またリウマチ頚椎固定術において3次元実体モデルを用いた術前計画を検討し、術後長期間装着を余儀なくされていたハローベスト装着を回避しうる可能性に関して報告した。

Report

(3 results)
  • 2008 Annual Research Report   Final Research Report ( PDF )
  • 2007 Annual Research Report
  • Research Products

    (14 results)

All 2008 2007

All Journal Article (5 results) (of which Peer Reviewed: 5 results) Presentation (9 results)

  • [Journal Article] Application of full-scale three-dimensional models in patients with rheumatoid cervical spine2008

    • Author(s)
      Mizutani J, Matsubara T, Fukuoka M, et.al.
    • Journal Title

      Eur Spine J 17

      Pages: 644-9

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Relationship between screw trajectory of C1 lateral mass screw and internal carotid artery2008

    • Author(s)
      Murakami S, Mizutani J, Fukuoka M, et.al.
    • Journal Title

      Spine 33

      Pages: 2581-5

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Relationship between screw trajectory of C1 lateral mass screw and internal carotid artery2008

    • Author(s)
      Murakami S, et al.
    • Journal Title

      Spine 33

      Pages: 2581-2585

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Application of full-scale there-dimensional models in patients with rheumatoid cervical spine2008

    • Author(s)
      Mizutani J, et al.
    • Journal Title

      European Spine Journal 17

      Pages: 644-649

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Application of full-scale there-dimensional models in patients with rheumatoid cervical spine2008

    • Author(s)
      Mizutani, et. al.
    • Journal Title

      European Spine Journal (E-pub ahead of print)

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Presentation] Biomechanical strength of novel half purchase lateral mass screw of the atlas via posterior arch2008

    • Author(s)
      Mizutani J, Fukuoka M, Ogikubo O, et.al.
    • Organizer
      36^<th> annual meeting of cervical spine research society
    • Place of Presentation
      Austin, USA
    • Year and Date
      2008-12-04
    • Related Report
      2008 Final Research Report
  • [Presentation] 環椎外側塊スクリューの有用性と問題点。-臨床成績、生体力学試験、解剖学的分析-2008

    • Author(s)
      水谷潤、福岡宗良、荻久保修、林良美、井上望、柴山元英、堀田功一、長谷川伸一、大塚隆信
    • Organizer
      第81回日本整形外科学会総会
    • Place of Presentation
      札幌
    • Year and Date
      2008-05-22
    • Related Report
      2008 Final Research Report
  • [Presentation] Biomechanical feasibility of novel half purchase lateral mass screw of the atlas via posterior arch2008

    • Author(s)
      Mizutani J, et al
    • Organizer
      36^<th> annual meeting of the cervical spine research society
    • Place of Presentation
      Austin, Texas, USA
    • Related Report
      2008 Annual Research Report
  • [Presentation] Anatomical and biomechanical feasibility of mono-cortically inserted lateral mass screw of the atlas via posterior arch.2007

    • Author(s)
      Mizutani J., et. al.
    • Organizer
      Cervical spine research society
    • Place of Presentation
      San Francisco, USA
    • Year and Date
      2007-12-03
    • Related Report
      2007 Annual Research Report
  • [Presentation] Anatomical and biomechanical feasibility of mono-cortically inserted lateral mass screw of the atlas via posterior arch2007

    • Author(s)
      Mizutani J, Murakami S, Inoue N, et.al.
    • Organizer
      35th annual meeting of Cervical Spine Research Society
    • Place of Presentation
      San Francisco, USA
    • Year and Date
      2007-11-09
    • Related Report
      2008 Final Research Report
  • [Presentation] 環椎スクリュー固定の三次元実体モデルを用いた術前評価2007

    • Author(s)
      水谷潤、福岡宗良、荻久保修、林良美、大塚隆信
    • Organizer
      第22回日本整形外科学会基礎学術集会
    • Place of Presentation
      浜松
    • Year and Date
      2007-10-25
    • Related Report
      2008 Final Research Report
  • [Presentation] 環椎外側塊スクリューにおける内頚動脈損傷の可能性。-解剖学的画像解析-2007

    • Author(s)
      村上里奈、水谷潤、福岡宗良、荻久保修、小島洋、大塚隆信
    • Organizer
      第22回日本整形外科学会基礎学術集会
    • Place of Presentation
      浜松
    • Year and Date
      2007-10-25
    • Related Report
      2008 Final Research Report
  • [Presentation] Biomechanical and anatomical analysis fo monocortical insertion of C1 lateral mass screws2007

    • Author(s)
      Murakami S, Mizutani J, Jamie Williams, et.al.
    • Organizer
      23^<rd> annual meeting of Cervical spine Research Society European Section
    • Place of Presentation
      Belgium
    • Year and Date
      2007-05-30
    • Related Report
      2008 Final Research Report
  • [Presentation] 軸椎椎弓内screw あるいは軸椎椎弓根screw に環椎外側塊screw を組み合わせた環軸椎固定術2007

    • Author(s)
      水谷潤、福岡宗良、荻久保修、林良美、大塚隆信
    • Organizer
      第35回日本脊椎脊髄病学会
    • Place of Presentation
      金沢
    • Year and Date
      2007-04-26
    • Related Report
      2008 Final Research Report

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Published: 2007-04-01   Modified: 2016-04-21  

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