JaLCDOI 10.18926/AMO/61437
フルテキストURL 75_1_71.pdf
著者 Sanki, Tomoaki| Tetsunaga, Tomonori| Furumatsu, Takayuki| Yamada, Kazuki| Kawamura, Yoshi| Ozaki, Toshifumi|
抄録 Intra-operative acetabular fracture is a total hip arthroplasty complication that can occur during cementless cup insertion, especially in osteoporotic patients. We conducted this biomechanical study to investigate the impact resistance of the acetabulum with simulated bones of different density by drop-weight impact testing. Low- and high-density polyurethane foam blocks were used as osteoporotic and healthy bone models, respectively. Polyurethane blocks were used as the acetabular cancellous bone. Composite sheets were used as the acetabu-lum’s medial cortex. The testing revealed that the osteoporotic bone model’s impact resistance was significantly lower than that the healthy bone model’. In the healthy bone model, even thin acetabular cancellous bone with ≥ 1 mm acetabulum medial cortex was less likely to fracture. In the osteoporotic bone model, fracture was pos-sible without ≥ 1 mm medial cortex of the acetabulum and thick acetabular cancellous bone. Although impac-tion resistance differs due to bone quality, the impaction resistance in this osteoporotic bone model was equiv-alent to that healthy bone model’s when a thick medial wall was present. To avoid intra-operative acetabulum fracture, surgeons should consider both the bone quality and the thicknesses of the medial cortex and acetabu-lar cancellous bone.
キーワード intra-operative acetabular fracture drop weight impact testing total hip arthroplasty impact resistance
Amo Type Original Article
発行日 2021-02
出版物タイトル Acta Medica Okayama
75巻
1号
出版者 Okayama University Medical School
開始ページ 71
終了ページ 77
ISSN 0386-300X
NCID AA00508441
資料タイプ 学術雑誌論文
言語 English
著作権者 CopyrightⒸ 2021 by Okayama University Medical School
論文のバージョン publisher
査読 有り
PubMed ID 33649616
JaLCDOI 10.18926/AMO/61430
フルテキストURL 75_1_25.pdf
著者 Tetsunaga, Tomonori| Tetsunaga, Tomoko| Yamada, Kazuki| Sanki, Tomoaki| Kawamura, Yoshi| Ozaki, Toshifumi|
抄録 In bipolar hemiarthroplasty (BHA), it is important to preserve soft tissue to reduce the risk of postoperative dislocation. A variety of surgical approaches for BHA are available, but extra care is needed with muscle- and tendon-preserving approaches in geriatric patients. We investigated the usefulness of BHA using a conjoined tendon-preserving posterior (CPP) approach, in which only the external obturator muscle is dissected, in geri-atric patients. We retrospectively analyzed the cases of 40 femoral neck fracture patients (10 men, 30 women) aged ≥ 80 years who underwent BHA using the CPP approach. The patients’ average age was 85.8 years (80-94 years). We examined the operation time, bleeding, preservation of short external rotator muscles, complica-tions, and stem alignment and subsidence from postoperative radiographs. Although gemellus inferior muscle injury was detected in 4 patients (10%), the hip joint stability was very excellent in all cases. There was no intraoperative fracture or postoperative dislocation. On postoperative radiographs, all femoral stems were in a neutral position. There was no stem subsidence in all 40 patients. BHA using the CPP approach appeared to be useful even in geriatric patients.
キーワード bipolar hip arthroplasty geriatric patient conjoined tendon-preserving posterior approach
Amo Type Original Article
発行日 2021-02
出版物タイトル Acta Medica Okayama
75巻
1号
出版者 Okayama University Medical School
開始ページ 25
終了ページ 30
ISSN 0386-300X
NCID AA00508441
資料タイプ 学術雑誌論文
言語 English
著作権者 CopyrightⒸ 2021 by Okayama University Medical School
論文のバージョン publisher
査読 有り
PubMed ID 33649610
フルテキストURL fulltext.pdf
著者 Kunisada, Toshiyuki| Hasei, Joe| Fujiwara, Tomohiro| Nakata, Eiji| Yokoo, Suguru| Demiya, Koji| Ozaki, Toshifumi|
発行日 2020-12-09
出版物タイトル Scientific Reports
10巻
1号
出版者 Nature Research
開始ページ 21578
ISSN 2045-2322
資料タイプ 学術雑誌論文
言語 English
OAI-PMH Set 岡山大学
著作権者 © The Author(s) 2020
論文のバージョン publisher
PubMed ID 33299043
DOI 10.1038/s41598-020-78409-9
Web of Science KeyUT 000608956800002
関連URL isVersionOf https://doi.org/10.1038/s41598-020-78409-9
フルテキストURL Knee_fulltext.pdf Knee_figure.pptx
著者 Okazaki, Yuki| Furumatsu, Takayuki| Okazaki, Yoshiki| Masuda, Shin| Hiranaka, Takaaki| Kodama, Yuya| Kamatsuki, Yusuke| Miyazawa, Shinichi| Tetsunaga, Tomonori| Ozaki, Toshifumi|
キーワード Magnetic resonance imaging Medial meniscus Meniscus extrusion Posterior root tear Three-dimensional assessment
発行日 2020-01-01
出版物タイトル The Knee
27巻
1号
出版者 Elsevier
開始ページ 132
終了ページ 139
ISSN 0968-0160
NCID AA10996272
資料タイプ 学術雑誌論文
言語 English
OAI-PMH Set 岡山大学
論文のバージョン author
PubMed ID 31882388
DOI 10.1016/j.knee.2019.09.005
Web of Science KeyUT 000519666300017
関連URL isVersionOf https://doi.org/10.1016/j.knee.2019.09.005
フルテキストURL fulltext.pdf
著者 Joko, Ryoji| Yamada, Daisuke| Nakamura, Masahiro| Yoshida, Aki| Takihira, Shota| Takao, Tomoka| Lu, Ming| Sato, Kohei| Ito, Tatsuo| Kunisada, Toshiyuki| Nakata, Eiji| Ozaki, Toshifumi| Takarada, Takeshi|
キーワード PRRX1 Osteosarcoma Tumor malignancy Invasion Drug resistance Connectivity map analysis
発行日 2021-01
出版物タイトル Translational Oncology
14巻
1号
出版者 Elsevier
開始ページ 100960
ISSN 1936-5233
資料タイプ 学術雑誌論文
言語 English
OAI-PMH Set 岡山大学
著作権者 © 2020 The Authors.
論文のバージョン publisher
PubMed ID 33395745
DOI 10.1016/j.tranon.2020.100960
Web of Science KeyUT 000604582300006
関連URL isVersionOf https://doi.org/10.1016/j.tranon.2020.100960
フルテキストURL fulltext.pdf
著者 Nakata, Eiji| Sugihara, Shinsuke| Sugawara, Yoshifumi| Nakahara, Ryuichi| Furumatsu, Takayuki| Tetsunaga, Tomonori| Kunisada, Toshiyuki| Nakanishi, Kazuo| Ozaki, Toshifumi|
キーワード bone metastasis multidisciplinary treatment skeletal-related event malignant spinal cord compression neurological deficit
発行日 2020-02-20
出版物タイトル Oncology Letters
19巻
4号
出版者 Spandidos Publications
開始ページ 3137
終了ページ 3144
ISSN 1792-1074
資料タイプ 学術雑誌論文
言語 English
OAI-PMH Set 岡山大学
著作権者 © Nakata et al.
論文のバージョン publisher
PubMed ID 32218864
DOI 10.3892/ol.2020.11415
Web of Science KeyUT 000523763900064
関連URL isVersionOf https://doi.org/10.3892/ol.2020.11415
フルテキストURL fulltext.pdf
著者 Yamamoto, Norio| Sukegawa, Shintaro | Kitamura, Akira| Goto, Ryosuke| Noda, Tomoyuki| Nakano, Keisuke| Takabatake, Kiyofumi| Kawai, Hotaka| Nagatsuka, Hitoshi| Kawasaki, Keisuke| Furuki, Yoshihiko| Ozaki, Toshifumi|
キーワード osteoporosis deep learning hip radiograph ensemble model
発行日 2020-11-10
出版物タイトル Biomolecules
10巻
11号
出版者 MDPI
開始ページ 1534
ISSN 2218-273X
資料タイプ 学術雑誌論文
言語 English
OAI-PMH Set 岡山大学
著作権者 © 2020 by the authors.
論文のバージョン publisher
PubMed ID 33182778
DOI 10.3390/biom10111534
Web of Science KeyUT 000592980100001
関連URL isVersionOf https://doi.org/10.3390/biom10111534
フルテキストURL fulltext.pdf Figure.pptx Tables.pptx
著者 Kodama, Yuya| Furumatsu, Takayuki| Masuda, Shin| Okazaki, Yoshiki| Kamatsuki, Yusuke| Okazaki, Yuki| Hiranaka, Takaaki| Miyazawa, Shinichi| Yasumitsu, Masaharu| Ozaki, Toshifumi|
キーワード Medial meniscus Posterior root tear Transtibial fixation Meniscus extrusion Open magnetic resonance imaging
備考 This is a post-peer-review, pre-copyedit version of an article published in Knee Surgery, Sports Traumatology, Arthroscopy. The final authenticated version is available online at: http://dx.doi.org/10.1007/s00167-019-05810-x.</br>|
発行日 2019-11-28
出版物タイトル Knee Surgery, Sports Traumatology, Arthroscopy
28巻
11号
出版者 Springer
開始ページ 3416
終了ページ 3425
ISSN 0942-2056
NCID AA10973641
資料タイプ 学術雑誌論文
言語 English
OAI-PMH Set 岡山大学
論文のバージョン author
PubMed ID 31781798
DOI 10.1007/s00167-019-05810-x
Web of Science KeyUT 000575537100001
関連URL isVersionOf https://doi.org/10.1007/s00167-019-05810-x
著者 Mochizuki, Yusuke| Tazawa, Hiroshi| Demiya, Koji| Kure, Miho| Kondo, Hiroya| Komatsubara, Tadashi| Sugiu, Kazuhisa| Hasei, Joe| Yoshida, Aki| Kunisada, Toshiyuki| Urata, Yasuo| Kagawa, Shunsuke| Ozaki, Toshifumi| Fujiwara, Toshiyoshi|
キーワード Oncolytic adenovirus hTERT Immunogenic cell death ATP CD8
備考 This is a post-peer-review, pre-copyedit version of an article published in Cancer Immunology, Immunotherapy. The final authenticated version is available online at: http://dx.doi.org/10.1007/s00262-020-02774-7. </br>This fulltext is available in Nov. 2021.|
発行日 2020-11-05
出版物タイトル Cancer Immunology, Immunotherapy
出版者 Springer
開始ページ 0340-7004
NCID AA00598499
資料タイプ 学術雑誌論文
言語 English
OAI-PMH Set 岡山大学
論文のバージョン author
PubMed ID 33151368
DOI 10.1007/s00262-020-02774-7
Web of Science KeyUT 000586350500002
関連URL isVersionOf https://doi.org/10.1007/s00262-020-02774-7
著者 Kodama, Yuya| Furumatsu, Takayuki| Okazaki, Yuki| Takihira, Shota| Hiranaka, Takaaki| Miyazawa, Shinichi| Kamatsuki, Yusuke| Ozaki, Toshifumi|
キーワード Medial meniscus Posterior root tear Transtibial pullout repair Meniscal healing Cartilage degeneration
備考 This is a post-peer-review, pre-copyedit version of an article published in Knee Surgery, Sports Traumatology, Arthroscopy. The final authenticated version is available online at: http://dx.doi.org/10.1007/s00167-020-06332-7. <br>This fulltext is available in Oct. 2021.|
発行日 2020-08-28
出版物タイトル Knee Surgery, Sports Traumatology, Arthroscopy
出版者 Springer
ISSN 0942-2056
NCID AA10973641
資料タイプ 学術雑誌論文
言語 English
OAI-PMH Set 岡山大学
論文のバージョン author
PubMed ID 33112966
DOI 10.1007/s00167-020-06332-7
Web of Science KeyUT 000584906000002
関連URL isVersionOf https://doi.org/10.1007/s00167-020-06332-7
フルテキストURL fulltext.pdf
著者 Okazaki, Yoshiki| Furumatsu, Takayuki| Yamaguchi, Takuya| Kodama, Yuya| Kamatsuki, Yusuke| Masuda, Shin| Okazaki, Yuki| Hiranaka, Takaaki| Zhang, Ximing| Ozaki, Toshifumi|
キーワード Medial meniscus Posterior root tear Osteoarthritis Meniscal volume Medial extrusion Three-dimensional magnetic resonance imaging Flexed-knee position
備考 This is a post-peer-review, pre-copyedit version of an article published in Knee Surgery, Sports Traumatology, Arthroscopy. The final authenticated version is available online at: http://dx.doi.org/10.1007/s00167-019-05580-6.|
発行日 2019-06-26
出版物タイトル Knee Surgery, Sports Traumatology, Arthroscopy
28巻
11号
出版者 Springer
開始ページ 3405
終了ページ 3415
ISSN 0942-2056
NCID AA10973641
資料タイプ 学術雑誌論文
言語 English
OAI-PMH Set 岡山大学
論文のバージョン author
PubMed ID 31243505
DOI 10.1007/s00167-019-05580-6
Web of Science KeyUT 000584542500002
関連URL isVersionOf https://doi.org/10.1007/s00167-019-05580-6
フルテキストURL fulltext.pdf
著者 Yamane, Kentaro| Misawa, Haruo| Takigawa, Tomoyuki| Ito, Yoshihiro| Ozaki, Toshifumi| Matsukawa, Akihiro|
キーワード hepatocyte growth factor spinal cord injury neural regeneration
発行日 2019-12-02
出版物タイトル International Journal of Molecular Sciences
20巻
23号
出版者 MDPI
開始ページ 6078
ISSN 1422-0067
資料タイプ 学術雑誌論文
言語 English
OAI-PMH Set 岡山大学
著作権者 © 2019 by the authors.
論文のバージョン publisher
PubMed ID 31810304
DOI 10.3390/ijms20236078
Web of Science KeyUT 000504428300260
関連URL isVersionOf https://doi.org/10.3390/ijms20236078
著者 Mazaki, Tetsuro| Shiozaki, Yasuyuki| Yamane, Kentaro| Yoshida, Aki| Nakamura, Mariko| Yoshida, Yasuhiro| Zhou, Di| Kitajima, Takashi| Tanaka, Masato| Ito, Yoshihiro| Ozaki, Toshifumi| Matsukawa, Akihiro|
発行日 2014-03-25
出版物タイトル Scientific Reports
4巻
資料タイプ 学術雑誌論文
著者 Shiozaki, Yasuyuki| Kitajima, Takashi| Mazaki, Tetsuro| Yoshida, Aki| Tanaka, Masato| Umezawa, Akihiro| Nakamura, Mariko| Yoshida, Yasuhiro| Ito, Yoshihiro| Ozaki, Toshifumi| Matsukawa, Akihiro|
発行日 2013-04
出版物タイトル International Journal of Nanomedicine
8巻
1号
資料タイプ 学術雑誌論文
JaLCDOI 10.18926/AMO/51867
フルテキストURL 67_5_311.pdf
著者 Nishida, Keiichiro| Hashizume, Hiroyuki| Matsukawa, Akihiro| Hashizume, Kenzo| Shimamura, Yasunori| Torigoe, Yasuyuki| Ozaki, Toshifumi|
抄録 We report a case of 4th metacarpal head collapse of a 19-year-old healthy man. MRI revealed T1 low and T2 high regions in the collapsed 4th metacarpal head, as well as in the right 3rd and left 4th metacarpal head. Our initial diagnosis was occult compression fracture due to avascular necrosis, known as Dieterich's disease. However, pathological findings of surgically resected right 4th metacarpal head were compatible with transient osteoporosis and metacarpal head fracture followed by active tissue repair. The autologous osteochondral transplants from costchondral junction survived and maintained their size and shape even at 10-year follow-up.
キーワード occult compression fracture metacarpal head avascular necrosis osteochondral autograft
Amo Type Case Report
発行日 2013-10
出版物タイトル Acta Medica Okayama
67巻
5号
出版者 Okayama University Medical School
開始ページ 311
終了ページ 317
ISSN 0386-300X
NCID AA00508441
資料タイプ 学術雑誌論文
言語 English
著作権者 CopyrightⒸ 2013 by Okayama University Medical School
論文のバージョン publisher
査読 有り
PubMed ID 24145731
Web of Science KeyUT 000325836100005
著者 Ito, Tatsuo| Ouchida, Mamoru| Morimoto, Yuki| Yoshida, Aki| Jitsumori, Yoshimi| Ozaki, Toshifumi| Sonobe, Hiroshi| Inoue, Hajime| Shimizu, Kenji|
発行日 2005-06-28
出版物タイトル Cancer Letters
224巻
2号
資料タイプ 学術雑誌論文
フルテキストURL fulltext.pdf
著者 Tetsunaga, Tomoko| Tetsunaga, Tomonori| Nishida, Keiichiro| Misawa, Haruo| Takigawa, Tomoyuki| Yamane, Kentaro| Tsuji, Hironori| Takei, Yoshitaka| Ozaki, Toshifumi|
キーワード Peripheral neuropathic pain Mirogabalin Pregabalin Adverse event
発行日 2020-05-26
出版物タイトル Journal of Orthopaedic Surgery and Research
15巻
1号
出版者 Springer
開始ページ 191
ISSN 1749-799X
資料タイプ 学術雑誌論文
言語 English
OAI-PMH Set 岡山大学
論文のバージョン publisher
PubMed ID 32456647
DOI 10.1186/s13018-020-01709-3
Web of Science KeyUT 000538017400002
関連URL isVersionOf https://doi.org/10.1186/s13018-020-01709-3
フルテキストURL fulltext.pdf
著者 Tetsunaga, Tomonori| Yamada, Kazuki| Tetsunaga, Tomoko| Sanki, Tomoaki| Kawamura, Yoshi| Ozaki, Toshifumi|
キーワード Hip Navigation system Total hip replacement Retrospective study
発行日 2020-04-15
出版物タイトル Journal of Orthopaedic Surgery and Research
15巻
1号
出版者 BMC
開始ページ 147
ISSN 1749-799X
資料タイプ 学術雑誌論文
言語 English
OAI-PMH Set 岡山大学
PubMed ID 32295628
Web of Science KeyUT 000528950200002
関連URL isVersionOf https://doi.org/10.1186/s13018-020-01673-y
JaLCDOI 10.18926/AMO/57957
フルテキストURL 74_1_77.pdf
著者 Endo, Hirosuke| Akazawa, Hirofumi| Yashiro, Masato| Yamada, Kazuki| Sanki, Tomoaki| Tetsunaga, Tomonori| Nishida, Keiichiro| Furumatsu, Takayuki| Ozaki, Toshifumi|
抄録 Idiopathic chondrolysis of the hip (ICH), a very rare disorder of unknown etiology, occurs mainly in female adolescents. Characterized by pain, limp, stiffness and radiological narrowing joint space from the rapid destruction of the articular cartilage, ICH sometimes results in ankyloses. We present the case of a 10-year-old girl diagnosed with ICH based on arthroscopic inspection and synovium biopsy. The femoral deformity appeared gradually, like a cam-type femoroacetabular impingement. She was treated with intensive rehabilitation and immunosuppressive drug. We later performed an arthroscopic bumpectomy for residual symptoms. She achieved a favorable outcome as a 15-year-old at the latest follow-up.
キーワード idiopathic chondrolysis hip joint medication bump arthroscopy
Amo Type Case Report
発行日 2020-02
出版物タイトル Acta Medica Okayama
74巻
1号
出版者 Okayama University Medical School
開始ページ 77
終了ページ 81
ISSN 0386-300X
NCID AA00508441
資料タイプ 学術雑誌論文
言語 English
著作権者 CopyrightⒸ 2020 by Okayama University Medical School
論文のバージョン publisher
査読 有り
PubMed ID 32099253
Web of Science KeyUT 000516606200012
NAID 120006795624
JaLCDOI 10.18926/AMO/57947
フルテキストURL 74_1_7.pdf
著者 Sanki, Tomoaki| Endo, Hirosuke| Tetsunaga, Tomonori| Furumatsu, Takayuki| Yamada, Kazuki| Ozaki, Toshifumi|
抄録 We investigated the relationship between the initial contact status and stress shielding in total hip arthroplasty (THA) using fit-and-fill type straight-stem implants. In addition we evaluated the clinical and radiographic outcomes. Subjects were 100 hips of 94 patients who underwent THA and were followed-up for ≥10 years. Contact areas with the femoral cortical bone were investigated according to the zonal distribution of Gruen using postoperative CT images. Depending on the number of contact areas, the patients were classified into high contact [HC], medium contact [MC], and low contact [LC] groups. Radiographic and clinical outcomes were evaluated. In the HC group (20 hips), severe stress shielding was observed in 12 hips, which was statistically significant (p=0.008). In the LC group (29 hips), mild stress shielding was observed in 27 hips which was statistically significant (p<0.001). No significant differences were observed among the 3 groups in clinical outcomes, Harris hip score (p=0.719) or Japanese Orthopedic Association (JOA) score (p=0.301). In insertion of cementless collared fit-and-fill type straight-stem implants, severe late stress shielding of the femoral bone may occur if high contact of the femoral component is achieved. However, the degree of stress shielding does not result in adverse clinical outcomes.
キーワード fit-and-fill stress shielding cementless straight stem total hip arthroplasty
Amo Type Original Article
発行日 2020-02
出版物タイトル Acta Medica Okayama
74巻
1号
出版者 Okayama University Medical School
開始ページ 7
終了ページ 15
ISSN 0386-300X
NCID AA00508441
資料タイプ 学術雑誌論文
言語 English
著作権者 CopyrightⒸ 2020 by Okayama University Medical School
論文のバージョン publisher
査読 有り
PubMed ID 32099243
Web of Science KeyUT 000516606200002
NAID 120006795614