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2,105 results on '"Ozaki, Toshifumi"'

152. Supplementary Data from Preclinical Evaluation of Telomerase-Specific Oncolytic Virotherapy for Human Bone and Soft Tissue Sarcomas

Author

Sasaki, Tsuyoshi, primary, Tazawa, Hiroshi, primary, Hasei, Jo, primary, Kunisada, Toshiyuki, primary, Yoshida, Aki, primary, Hashimoto, Yuuri, primary, Yano, Shuya, primary, Yoshida, Ryosuke, primary, Uno, Futoshi, primary, Kagawa, Shunsuke, primary, Morimoto, Yuki, primary, Urata, Yasuo, primary, Ozaki, Toshifumi, primary, and Fujiwara, Toshiyoshi, primary

Published
2023
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164. Carbon Ion Radiation Therapy for Unresectable Sacral Chordoma: An Analysis of 188 Cases

Author

Abe, Satoshi, Iwamoto, Yukihide, Ozaki, Toshifumi, Kanehira, Chihiro, Kaya, Mitsunori, Takahashi, Kazuhisa, Chuman, Hirokazu, Tsujii, Hirohiko, Tsuneyoshi, Masazumi, Nishida, Yoshihiro, Hiraga, Hiroaki, Hiruma, Toru, Machinami, Rikuo, Matsumine, Akihiko, Matsumoto, Seiichi, Morioka, Hideo, Yamaguchi, Takehiko, Yonemoto, Tsukasa, Imai, Reiko, Kamada, Tadashi, and Araki, Nobuhito

Published
2016
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168. Ten-year follow-up results of perioperative chemotherapy with doxorubicin and ifosfamide for high-grade soft-tissue sarcoma of the extremities: Japan Clinical Oncology Group study JCOG0304

Author

Tanaka, Kazuhiro, Mizusawa, Junki, Naka, Norifumi, Kawai, Akira, Katagiri, Hirohisa, Hiruma, Toru, Matsumoto, Yoshihiro, Tsuchiya, Hiroyuki, Nakayama, Robert, Hatano, Hiroshi, Emori, Makoto, Watanuki, Munenori, Yoshida, Yukihiro, Okamoto, Takeshi, Abe, Satoshi, Asanuma, Kunihiro, Yokoyama, Ryohei, Hiraga, Hiroaki, Yonemoto, Tsukasa, Morii, Takeshi, Ae, Keisuke, Nagano, Akihito, Yoshikawa, Hideki, Fukuda, Haruhiko, Ozaki, Toshifumi, and Iwamoto, Yukihide

Published
2019
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171. Larger sagittal inter-screw distance/tibial width ratio reduces delayed union or non-union after arthroscopic ankle arthrodesis.

Author

Yokoo, Suguru, Saiga, Kenta, Demiya, Koji, Ohashi, Hideki, Horita, Masahiro, and Ozaki, Toshifumi

Subjects
ANKLE surgery, MUSCULOSKELETAL system diseases, ARTHRODESIS, ARTHROSCOPY, RETROSPECTIVE studies, TIBIA, BODY mass index
Abstract

Background: Arthroscopic ankle arthrodesis (AAA) has risks of complications, such as delayed union and non-union. The number and direction of the inserted screws have been reported as important factors affecting the time to union of AAA. However, the ratio of inter-screw distance (ISD) to tibial width (TW) in different planes has not been investigated. Therefore, we aimed to explore the effect of this ratio on bone union following AAA. Methods: We retrospectively enrolled 63 patients (64 ankles) undergoing AAA from 2013 to 2019. Then, their age, body mass index (BMI), sex, diabetes mellitus (DM) status, Takakura–Tanaka classification, number of screws and radiographic parameters were analysed. Results: The patients had a mean age of 70.3 (range, 45–91) years. Bone fusion was achieved in 57 ankles (89%) in a mean period of 3.3 (range, 2–6) postoperative months. There were four cases of delayed union and three of non-union. No significant differences in age, BMI, sex, DM, Takakura–Tanaka classification, and number of screws could be detected between the groups. However, the sagittal ISD/TW ratio was significantly larger in the union group than in the delayed/non-union group with a cut-off value of 57.0%. Conclusion: Larger sagittal ISD/TW ratios result in reduced post-AAA delayed union or non-union. The surgeon should be aware that the anterior and posterior screw widths should be approximately 60% or more of the anteroposterior width of the tibia. [ABSTRACT FROM AUTHOR]

Published
2023
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181. Associations among malnutrition, muscle loss, and postoperative walking ability in intertrochanteric fractures: a retrospective study

Author

Sato, Kohei, primary, Tsuji, Hironori, additional, Yorimitsu, Masanori, additional, Uehara, Takenori, additional, Okazaki, Yuki, additional, Takao, Shinichiro, additional, Hata, Toshiaki, additional, Fukuoka, Shiro, additional, Noda, Tomoyuki, additional, Kanda, Hideyuki, additional, and Ozaki, Toshifumi, additional

Published
2022
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190. Novel Technique for Removing a Well-Fixed Cemented Cup with a Dedicated Original Device during Revision Total Hip Arthroplasty: Surgical Technique

Author

Endo, Hirosuke, Yamada, Kazuki, Testunaga, Tomonori, Furumatsu, Takayuki, Mitani, Shigeru, and Ozaki, Toshifumi

Subjects
musculoskeletal diseases, surgical procedures, operative, total hip arthroplasty, cemented cup, technology, industry, and agriculture, revision surgery, well-fixed, sense organs, equipment and supplies
Abstract

The improved cemented cup technique has attained excellent long-term results in primary total hip arthroplasty. When cup revision surgery was performed, the cemented cup, which was loosened at the bone-cement interface, was easily removed. However, with a well-fixed bone-cement interface, it remains difficult to remove the cemented cup for a revision in the event of a recurring dislocation. In addition, protrusions in the cement can cause unpredictable bone defects. A new removal device was created and used successfully to remove a well-fixed cemented cup safely and efficiently. This report introduces the device and the technique used in cemented cup removal.

Published
2021

192. The stability of repaired meniscal root can affect postoperative cartilage status following medial meniscus posterior root repair

Author

Zhang, Ximing, Furumatsu, Takayuki, Hiranaka, Takaaki, Okazaki, Yuki, Xue, Haowei, Kintaka, Keisuke, Miyazawa, Shinichi, and Ozaki, Toshifumi

Subjects
Orthopedics and Sports Medicine, Surgery
Abstract

Background Transtibial pullout repair yields beneficial clinical outcomes in patients with medial meniscus (MM) posterior root tear. However, the relationship between repaired meniscal root healing status and postoperative clinical outcomes remains unclear. We aimed to evaluate changes in articular cartilage damage and clinical scores after pullout repair using two simple stitches (TSS). Methods Thirty-three patients who underwent pullout repair using TSS were assessed. Healing status was assessed by a semi-quantitative second-look arthroscopic scoring system comprising three evaluation criteria (width of bridging tissues, stability of the repaired root, and synovial coverage), 1 year postoperatively. MM medial extrusion (MMME) and cartilage damage were assessed preoperatively and 1 year postoperatively. The medial compartment was divided into 8 zones (A-H) for comparison of preoperative and 1-year postoperative cartilage damage. Clinical outcomes were evaluated using the Knee Injury and Osteoarthritis Outcome score, Lysholm score, International Knee Documentation Committee scores, and visual analogue scale pain score. Results Although cartilage damage did not aggravate significantly in most medial compartment areas, MMME progressed at 1 year postoperatively. No statistical differences were observed in cartilage damage between the central-to-medial area of the medial femoral condyle and the medial tibial plateau area at 1 year postoperatively. Regarding semi-quantitative healing scores, the stability score was significantly correlated with the International Cartilage Repair Society grade at 1 year postoperatively. All 1-year and 2-year clinical scores significantly improved compared with the preoperative scores. Conclusion Regarding TSS repair, stability of repaired meniscal root negatively correlated with cartilage damage in the medial compartment loading area. All 1-year and 2-year clinical scores significantly improved than those of the preoperative scores. Achieving MM stability is crucial for suppressing cartilage degeneration. Level of evidence IV case series study.

Published
2022

195. Randomized placebo-controlled double-blind phase II study of zaltoprofen for patients with diffuse-type and unresectable localized tenosynovial giant cell tumors: The REALIZE study

Author

Takeuchi, Akihiko, primary, Endo, Makoto, additional, Kawai, Akira, additional, Nishida, Yoshihiro, additional, Terauchi, Ryu, additional, Matsumine, Akihiko, additional, Aiba, Hisaki, additional, Nakamura, Tomoki, additional, Tandai, Susumu, additional, Ozaki, Toshifumi, additional, Hoshi, Manabu, additional, Kayano, Daiki, additional, Okuda, Miho, additional, Yamamoto, Norio, additional, Hayashi, Katsuhiro, additional, Miwa, Shinji, additional, Igarashi, Kentaro, additional, Yoshimura, Kenichi, additional, Nomura, Akihiro, additional, Murayama, Toshinori, additional, and Tsuchiya, Hiroyuki, additional

Published
2022
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