Faculty Profiles - OZAKI Toshifumi

MISC - OZAKI Toshifumi

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脱分化型脂肪肉腫の治療成績 JMOG多施設共同研究

穴澤卯圭, 矢部啓夫, 森岡秀夫, 森井健司, 石井猛, 尾崎敏文, 土屋弘行, 西田佳弘, 保坂泰介

日本整形外科学会雑誌 81 ( 6 ) S747 - S747 2007.6

2-P1-90 重心動揺検査の結果からみた女子の思春期におけるバランス能力の発達について(姿勢,重心動揺,ポスター,一般演題,実学としてのリハビリテーションの継承と発展,第44回日本リハビリテーション医学会学術集会)

迫間巧将, 千田益生, 堅山佳美, 那須巧, 越智信夫, 尾崎敏文

リハビリテーション医学 : 日本リハビリテーション医学会誌 44 S389 2007.5

1-P2-9 CTを用いた頚椎手術後の回旋可動域評価(脊髄損傷および脊髄疾患・画像診断,ポスター,一般演題,実学としてのリハビリテーションの継承と発展,第44回日本リハビリテーション医学会学術集会)

杉本佳久, 田中雅人, 中西一夫, 三澤治夫, 瀧川朋亨, 尾崎敏文

リハビリテーション医学 : 日本リハビリテーション医学会誌 44 S292 2007.5

2-P2-2 人工筋肉を利用した脊髄損傷患者の立ち上がり(脊髄損傷および脊髄疾患・小児,二分脊椎,ポスター,一般演題,実学としてのリハビリテーションの継承と発展,第44回日本リハビリテーション医学会学術集会)

那須巧, 千田益生, 堅山佳美, 長谷川賢也, 迫間巧将, 尾崎敏文, 後藤左知子, 赤澤啓史, 小田浤

リハビリテーション医学 : 日本リハビリテーション医学会誌 44 S400 2007.5

2A1-I12 Toolpath Generation Method for Robot-assisted Minimally Invasive Knee Arthroplasty

GENMA Fumiaki, SUGITA Naohiko, MITSUISHI Mamoru, ABE Nobuhiro, FUJIWARA Kazuo, OZAKI Toshifumi, SUZUKI Masahiko, MORIYA Hideshige, INOUE Takayuki, KURAMOTO Kouichi, NAKASHIMA Yoshio, TANIMOTO Keiji

2007 "2A1 - I12(1)"-"2A1-I12(2)" 2007.5

Language：Japanese Publisher：The Japan Society of Mechanical Engineers

Toolpath generation and optimization is considered to be a challenging problem in the minimally invasive orthropedic surgery with a milling robot. The objective of this paper is to minimize the collision of the cutting tool with soft tissues. A novel approach of toolpath generation and optimization is proposed. A redundant axis is implemented to avoid collision with the robot. Some important components are modeled based on the physical requirements. A geometric optimization approach based on the model is proposed to improve the toolpath. Software is developed for this application.

CiNii Article

CiNii Books

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Sleeve fracture of the upper pole of patella : a case report

MINAGAWA Hiroshi

50 ( 3 ) 497 - 498 2007.5

Assessing range of cervical rotation after laminoplasty using axial CT

Yoshihisa Sugimoto, Masato Tanaka, Kazuo Nakanishi, Haruo Misawa, Tomoyuki Takigawa, Hisanori Ikuma, Toshifumi Ozaki

JOURNAL OF SPINAL DISORDERS & TECHNIQUES 20 ( 3 ) 187 - 189 2007.5

Language：English Publisher：LIPPINCOTT WILLIAMS & WILKINS

Purpose: Although many authors have reported on cervical range of motion, after laminoplasty, they have focused on flexion and extension based on lateral radiographs, not on axial rotation. In this study, we assessed cervical rotation from C1 to T1 after laminoplasty using computed tomography.
Patients and Methods: Eighteen consecutive patients with cervical myelopathy who had undergone laminoplasty were observed. Patient was placed in the supine position on the computed tomography scan table. After the scans in this neutral position were completed, the patient actively rotated his neck as far as possible taking care that the shoulders remained in the horizontal plane. We measured the C1 to T1, C1 to C2, and C2 to T1 rotation angles preoperatively, and at 2 weeks and 6 months after surgery.
Results: The average C1 to T1 rotation angles preoperatively were 46 degrees; on the right and 45 degrees on the left. The percentage of C I to C2 rotation during global cervical rotation (C1 to T1) was 62%. C1 to T1 rotation angle significantly decreased at two weeks after surgery but recovered to almost preoperative levels (11% decreases) by 6 months after surgery with no difference between right and left motion. The average C2 to T1 subaxial rotation angles did not significantly decreased after surgery.
Conclusions: Rotation angle after laminoplasty decreased slightly at 2 weeks after surgery but recovered almost to preoperative levels by 6 months.

DOI： 10.1097/01.bsd.0000211265.58991.2e

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Posterior cervical spine arthrodesis with laminar screws: A report of two cases

Kazuo Nakanishi, Masato Tanaka, Yoshihisa Sugimoto, Toshifumi Ozaki

ACTA MEDICA OKAYAMA 61 ( 2 ) 115 - 119 2007.4

Language：English Publisher：OKAYAMA UNIV MED SCHOOL

We performed fixation using laminar screws in 2 patients in whom lateral mass screws, pedicle screws or transarticular screws could not be inserted. One was a 56-year-old woman who had anterior atlantoaxial subluxation (AAS). When a guide wire was inserted using an imaging guide, the hole bled massively. We thought the re-insertion of a guide wire or screw would thus increase the risk of vascular injury, so we used laminar screws. The other case was an 18-year-old man who had a hangman fracture. Preoperative magnetic resonance angiography showed occlusion of the left vertebral artery. A laminar screw was inserted into the patent side (i.e., the right side of C2). Cervical pedicle screws are the most biomechanically stable screws. However, their use carries a high risk of neurovascular complications during screw insertion, because the cervical pedicle is small and is adjacent laterally to the vertebral artery, medially to the spinal cord, and vertically to the nerve roots. Lateral mass screws are also reported to involve a risk of neurovascular injuries. The laminar screw method was thus thought to be useful, since arterial injuries could thus be avoided and it could also be used as a salvage modality for the previous misinsertion.

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Surgical treatment for Blount's disease with bone bridge

18 136 - 136 2007.3

患肢温存を行った高齢者のMFHの1例

中田英二, 時岡孝光, 黒住健人, 原田浩史, 杉原進介, 尾崎敏文

中部日本整形外科災害外科学会雑誌 50 ( 春季学会 ) 195 - 195 2007.3

16.特発性側弯症の重心動揺(第18回日本リハビリテーション医学会中国・四国地方会)

迫間巧将, 田中雅人, 千田益生, 堅山佳美, 尾崎敏文

リハビリテーション医学 : 日本リハビリテーション医学会誌 44 ( 2 ) 121 - 121 2007.2

Clinical outcome of patients with Ewing sarcoma family of tumors of bone in Japan - The Japanese musculoskeletal Oncology Group cooperative study

Hideto Obata, Takafumi Ueda, Akira Kawai, Takeshi Ishii, Toshifumi Ozaki, Satoshi Abe, Kazuhiro Tanaka, Hiroyuki Tsuchiya, Akihiko Matsumine, Hiroo Yabe

CANCER 109 ( 4 ) 767 - 775 2007.2

Language：English Publisher：JOHN WILEY & SONS INC

BACKGROUND. Ewing sarcoma family of tumors (ESFT) of bone is extremely rare in Japan. The objectives of the Current study were to assess the clinical outcome and prognostic factors of patients with ESFT of bone in Japan and to compare them between Euro-American and Japanese populations.
METHODS. The authors conducted a retrospective analysis of 243 patients who were treated for ESFT of bone in Japan between 1981 and 2003. Local therapy was surgery in 35% of patients, surgery combined with radiotherapy in 40% of patients, radiotherapy alone in 22%, of patients, and no local treatment in 3% of patients. All but 3 patients received various regimens of multidrug chemotherapy.
RESULTS. The median patient age was 16 years. The primary disease sites were the trunk in 53% of patients and the extremities in 47% of patients. Forty-one patients had metastases at presentation. The median follow-up was 66 months. A univariate survival analysis demonstrated that patients who had metastases at presentation, primary site in the trunk, age >= 16 years, tumor size >= 10 cm, tumor that responded poorly to induction chemotherapy, and local treatment with radiotherapy alone had a significantly worse event-free survival (EFS). A multivariate analysis further verified that the former 3 factors were significant adverse prognostic factors. Of 201 patients with localized disease, 45 patients who received current chemotherapy regimens that included ifosfamide and etoposide had a significantly better 5-year EFS rate (67.6%) compared with other patients.
CONCLUSIONS. The clinical outcome of patients with localized ESFT of bone in Japan has improved markedly with the use of current chemotherapy regimens that include ifosfamide and etoposide and has become comparable to the Outcomes observed in other major series of Euro-American patients. The prognostic factors are also almost identical.

DOI： 10.1002/cncr.22481

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いわゆる先天股脱に対して広範囲展開法単独で観血的整復術を行った長期成績

遠藤裕介, 三谷茂, 黒田崇之, 鉄永智紀, 尾﨑敏文

Hip Joint 33 86 - 89 2007

Language：Japanese Publisher：日本股関節学会

1973〜1986年に当科で広範囲展開法を施行された先天股脱例のうち追加手術なく20歳以上まで経過観察された21例24股の治療成績について検討した。最終観察時のX線学的評価はCE角が平均26.8°(6〜45°)、Sharp角が平均45.1°(36〜56°)であり、Mose法による評価ではgood 7股(29%)、fair 10股(42%)、poor 7股(29%)であった。最終観察時のSeverin分類はI・II群が20股(83%)、III群が4股(17%)であった。最終観察時のJOAスコアは平均90点(75〜100点)、関節可動域は屈曲が平均106°(85〜130°)、外転が平均34°(20〜50°)であった。痛みの愁訴については、疲れると鈍痛があるもの8股、運動時に鈍痛があるもの1股、歩行時痛があるもの3股であった。痛みが有る群(12股)と無い群(12股)とで諸因子の比較を行った結果、年齢、BMI、CE角、Sharp角、TDD、関節裂隙幅のいずにおいても有意差は認められなかった。最終観察時のSeverin分類は痛み無し群が全例I・II、痛み有り群はI・IIが8股、IIIが4股であった。

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Surgical results of tethered cord syndrome

TAKIGAWA Tomoyuki

The Central Japan Journal of Orthopaedic Surgery & Traumatology 50 ( 5 ) 835 - 836 2007

LCP-distal femur による大腿骨遠位部骨折の治療経験

那須義久, 尾﨑敏文, 野田知之, 古松毅之, 島村安則, 林正典

骨折 29 ( 4 ) 798 - 802 2007

Treatments for proximal tibial fractures using locking compression plates

FURUMATSU Takayuki

The Central Japan Journal of Orthopaedic Surgery & Traumatology 50 ( 5 ) 875 - 876 2007

高齢者大腿骨遠位部骨折に対する最小侵襲プレート骨接合術

野田知之, 島村安則, 尾﨑敏文

別冊整形外科 52 236 - 241 2007

骨・軟部腫瘍

森本裕樹, 尾﨑敏文

整形外科 58 ( 11 ) 1532 - 1539 2007

MIPO technique with the locking compression plate for femoral lengthening in Klippel-Trenaunay-Weber syndrome

ENDO Hirosuke, ASAUMI Koji, MITANI Shigeru, KURODA Takayuki, KIKUCHI Takeshi, OZAKI Toshifumi

18 27 - 30 2007

下腿開放骨折後骨髄炎に対して Papineau 法に vacuum-assisted closure therapy を併用した治療経験

大森貴夫, 那須義久, 北村亜以, 野田知之, 尾﨑敏文

骨折 29 ( 4 ) 836 - 838 2007

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