フルテキストURL OTSR105_1_113.pdf Fig.pdf
著者 Okazaki, Yuki| Furumatsu, Takayuki| Kodama, Yuya| Hino, Tomohito| Kamatsuki, Yusuke| Okazaki, Yoshiki| Masuda, Shin| 71663067| Endo, Hirosuke| Tetsunaga, Tomonori| Yamada, Kazuki| Ozaki, Toshifumi|
キーワード Magnetic resonance imaging Medial meniscus Posterior root tear Tibial rotation Transtibial pullout repair
発行日 2019-02-28
出版物タイトル Orthopaedics & Traumatology: Surgery & Research
105巻
1号
出版者 Elsevier
開始ページ 113
終了ページ 117
ISSN 18770568
資料タイプ 学術雑誌論文
言語 Japanese
OAI-PMH Set 岡山大学
論文のバージョン author
PubMed ID 30482466
DOI 10.1016/j.otsr.2018.10.005
Web of Science KeyUT 000456541300019
関連URL isVersionOf https://doi.org/10.1016/j.otsr.2018.10.005
JaLCDOI 10.18926/AMO/57713
フルテキストURL 73_6_495.pdf
著者 Masuda, Shin| Furumatsu, Takayuki| Okazaki, Yoshiki| Kamatsuki, Yusuke| Okazaki, Yuki| Kodama, Yuya| Hiranaka, Takaaki| Nakata, Eiji| Ozaki, Toshifumi|
抄録 Medial meniscus posterior root tear causes rapid knee cartilage degradation by inducing posteromedial displacement of the medial meniscus. We evaluated medial meniscus posterior extrusion before and after pullout repair for medial meniscus posterior root tear using magnetic resonance images. Twenty-eight patients with symptomatic medial meniscus posterior root tear were included. The inclusion criteria were: acute (< 3 months) or chronic (≥3 months) medial meniscus posterior root tear after painful popping events. The exclusion criteria were: other meniscus and anterior cruciate ligament injuries. We measured medial meniscus posterior extrusion and medial meniscus anteroposterior interval at knee flexion angles of 10° and 90° preoperatively and at 3 months postoperatively. The posterior extrusion at 90° knee flexion decreased from 4.42±1.38 mm preoperatively to 3.09±1.06 mm (p<0.001) postoperatively, while at 10° knee flexion it was −4.17±1.63 mm preoperatively and −3.77±1.72mm postoperatively, showing no significant change. The anteroposterior interval at 10° knee flexion increased from 19.74±4.27 mm preoperatively to 22.15±5.10 mm postoperatively (p<0.001); at 90° knee flexion, it increased from 16.81±4.51 mm preoperatively to 19.20±4.30 mm postoperatively (p<0.001). Medial meniscus posterior extrusion and movement decreased after pullout repair. Pullout repair for medial meniscus posterior root tear improves medial meniscus posterior extrusion, especially at 90° knee flexion.
キーワード medial meniscus posterior root tear pullout repair extrusion open magnetic resonance imaging
Amo Type Original Article
発行日 2019-12
出版物タイトル Acta Medica Okayama
73巻
6号
出版者 Okayama University Medical School
開始ページ 495
終了ページ 501
ISSN 0386-300X
NCID AA00508441
資料タイプ 学術雑誌論文
言語 English
著作権者 CopyrightⒸ 2019 by Okayama University Medical School
論文のバージョン publisher
査読 有り
PubMed ID 31871331
Web of Sience KeyUT 000503431400004
JaLCDOI 10.18926/AMO/57715
フルテキストURL 73_6_511.pdf
著者 Takahara, Yasuhiro| Furumatsu, Takayuki| Nakashima, Hirotaka| Itani, Satoru| Nakamura, Makoto| Uchida, Yoichiro| Kato, Hisayoshi| Tsujimura, Yoshitaka| Iwasaki, Yuichi| Ochi, Nobuaki|
抄録 Medial open- and lateral closed-wedge high tibial osteotomy (hybrid CWHTO) can overcome the limitations of conventional CWHTO and open-wedge HTO (OWHTO) for medial compartmental osteoarthritis (OA) of the knee. Hybrid CWHTO increases stability by using a rigid locking plate and allows early full weight-bearing. However, the literature contains no information about time to bone union after this new procedure. The aim of this study is to evaluate the time to bone union after hybrid CWHTO. We reviewed 44 knees treated with hybrid CWHTO. Patients were able to stand on both legs on the day after surgery and walked with full weight-bearing within 4 weeks of the procedure. The time to achievement of bone union at the osteotomy site was defined as the number of months until bone union was confirmed on radiographic imaging. The mean time to radiographic confirmation of bone union was 4.5±1.5 months after surgery. Eleven knees (25.0%) required 6 months or more. Radiographic analysis and JOA score improved significantly between before and 1 year after surgery (p<0.01). Hybrid CWHTO is a very useful method for treating medial OA, but radiographic bone union requires 4.5 months on average. We must be aware of bone union after hybrid CWHTO.
キーワード bone union hybrid closed-wedge high tibial osteotomy osteoarthritis
Amo Type Original Article
備考 ,|
発行日 2019-12
出版物タイトル Acta Medica Okayama
73巻
6号
出版者 Okayama University Medical School
開始ページ 511
終了ページ 516
ISSN 0386-300X
NCID AA00508441
資料タイプ 学術雑誌論文
言語 English
著作権者 CopyrightⒸ 2019 by Okayama University Medical School
論文のバージョン publisher
査読 有り
PubMed ID 31871333
Web of Sience KeyUT 000503431400006
フルテキストURL J_Orthop_Sci_22_4_715.pdf fig.pdf
著者 Lu, Zhichao| Furumatsu, Takayuki| Fujii, Masataka| Maehara, Ami| Ozaki, Toshifumi|
キーワード vascular endothelial growth factor (VEGF) meniscus meniscal injury hypoxia-inducible factor-1α (HIF-1α)
備考 This is an Accepted Manuscript of an article published by Elsevier|
発行日 2017-07
出版物タイトル Journal of Orthopaedic Science
22巻
4号
出版者 Elsevier
開始ページ 715
終了ページ 721
ISSN 0949-2658
NCID AA11052566
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 https://creativecommons.org/licenses/by-nc-nd/4.0/deed.ja
論文のバージョン author
PubMed ID 28318650
DOI 10.1016/j.jos.2017.02.006
Web of Science KeyUT 000407394700022
関連URL isVersionOf https://doi.org/10.1016/j.jos.2017.02.006
JaLCDOI 10.18926/AMO/57714
フルテキストURL 73_6_503.pdf
著者 Kamatsuki, Yusuke| Furumatsu, Takayuki| Miyazawa, Shinichi| Kodama, Yuya| Hino, Tomohito| Okazaki, Yoshiki| Masuda, Shin| Okazaki, Yuki| Noda, Tomoyuki| Yamakawa, Yasuaki| Tetsunaga, Tomoko| Ozaki, Toshifumi|
抄録 Clinical studies have demonstrated that transtibial pullout repair led to favorable midterm outcomes in patients with medial meniscus posterior root tears (MMPRTs) although medial meniscal extrusion (MME) continued to be present. It has been unclear whether these residual postoperative MMEs existed after the pullout repair or had progressed at the very short-term evaluation after surgery. We sought to determine which characteristics of patients with MMPRTs influence the incidence of postoperative MME. The cases of 23 patients whose date of injury was known were analyzed. All patients underwent MMPRT pullout fixation. Preoperative and 3-month postoperative magnetic resonance imaging (MRI) examinations were performed. MME was retrospectively assessed on the mid-coronal plane of MRI scans. The preoperative and postoperative MME values were 4.2±1.2 mm and 4.3±1.5 mm, respectively (p=0.559). Pullout repair surgery was performed significantly earlier after the MMPRT-specific injury in patients whose postoperative MME improved compared to the patients whose MME did not improve (p<0.001). Our findings demonstrated that an early transtibial pullout repair of an MMPRT was more effective in reducing MME than a late repair. Surgeons should not miss the optimal timing for the pullout repair of an MMPRT, considering the period from the injury and the preoperative MME.
キーワード medial meniscus posterior root tear pullout repair medial meniscus extrusion magnetic resonance imaging
Amo Type Original Article
発行日 2019-12
出版物タイトル Acta Medica Okayama
73巻
6号
出版者 Okayama University Medical School
開始ページ 503
終了ページ 510
ISSN 0386-300X
NCID AA00508441
資料タイプ 学術雑誌論文
言語 English
著作権者 CopyrightⒸ 2019 by Okayama University Medical School
論文のバージョン publisher
査読 有り
PubMed ID 31871332
Web of Science KeyUT 000503431400005
著者 Furumatsu, Takayuki| Matsumoto, Emi| Kanazawa, Tomoko| Fujii, Masataka| Lu, Zhichao| Kajiki, Ryotaro| Ozaki, Toshifumi|
発行日 2013-05-31
出版物タイトル Journal of Biomechanics
46巻
9号
資料タイプ 学術雑誌論文
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
著者 古松 毅之| 尾﨑 敏文| 浅原 弘嗣|
発行日 2010-08-02
出版物タイトル 岡山医学会雑誌
122巻
2号
資料タイプ 学術雑誌論文
著者 Furumatsu, Takayuki| Ozaki, Toshifumi| Asahara, Hiroshi|
発行日 2009-05
出版物タイトル The International Journal of Biochemistry & Cell Biology
41巻
5号
資料タイプ 学術雑誌論文
著者 Furumatsu, Takayuki| Shukunami, Chisa| Amemiya-Kudo, Michiyo| Shimano, Hitoshi| Ozaki, Toshifumi|
発行日 2010-01
出版物タイトル The International Journal of Biochemistry & Cell Biology
42巻
1号
資料タイプ 学術雑誌論文
フルテキストURL J_Orthop_Sci_21_4_524.pdf fig.pdf
著者 Furumatsu, Takayuki| Maehara, Ami| Ozaki, Toshifumi|
備考 This is an Accepted Manuscript of an article published by Elsevier|
発行日 2016-07
出版物タイトル Journal of Orthopaedic Science
21巻
4号
出版者 Elsevier
開始ページ 524
終了ページ 529
ISSN 0949-2658
NCID AA11052566
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 https://creativecommons.org/licenses/by-nc-nd/4.0/deed.ja
論文のバージョン author
PubMed ID 27113646
DOI 10.1016/j.jos.2016.02.013
Web of Science KeyUT 000381142800020
関連URL isVersionOf https://doi.org/10.1016/j.jos.2016.02.013
著者 Furumatsu, Takayuki| Okazaki, Yuki| Kodama, Yuya| Okazaki, Yoshiki| Masuda, Shin| Kamatsuki, Yusuke| Takihira, Shota| Hiranaka, Takaaki| Yamawaki, Tadashi| Ozaki, Toshifumi|
キーワード Clinical outcome Medial meniscus Meniscal healing Posterior root tear Transtibial pullout repair
備考 This fulltext will be available in Jun 2020|
発行日 2019-06-30
出版物タイトル The Knee
26巻
3号
出版者 Elsevier
開始ページ 653
終了ページ 659
ISSN 09680160
NCID AA10996272
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 Elsevier B.V. All rights reserved.
論文のバージョン author
PubMed ID 30902517
DOI 10.1016/j.knee.2019.02.007
Web of Science KeyUT 000474504500017
関連URL isVersionOf https://doi.org/10.1016/j.knee.2019.02.007
JaLCDOI 10.18926/AMO/54818
フルテキストURL 70_6_515.pdf
著者 Fujii, Masataka| Furumatsu, Takayuki| Kadota, Yasutaka| Shimamura, Yoshinobu| Tsuchimochi, Shigeyuki| Ozaki, Toshifumi|
抄録 The present report describes the first known, case of a pseudoaneurysm of the perforating branch of the deep femoral artery following anterior cruciate ligament (ACL) reconstruction. A 19-year-old man underwent ACL reconstruction using the outside-in femoral tunnel-creation method. Seven days after the surgery, he complained of abnormal thigh pain and had swelling with local heat on the distal lateral thigh. Magnetic resonance imaging, computed tomography, and color Doppler ultrasonography showed the pseudoaneurysm in the thigh. Resection surgery was successfully performed by a vascular surgeon 12 days after ACL reconstruction. Careful examination and awareness of postoperative symptoms such as thigh pain and swelling after ACL reconstruction were critical for the early diagnosis of pseudoaneurysm.
キーワード pseudoaneurysm perforating branch of the deep femoral artery anterior cruciate ligament
Amo Type Case Report
発行日 2016-12
出版物タイトル Acta Medica Okayama
70巻
6号
出版者 Okayama University Medical School
開始ページ 515
終了ページ 518
ISSN 0386-300X
NCID AA00508441
資料タイプ 学術雑誌論文
言語 English
著作権者 CopyrightⒸ 2016 by Okayama University Medical School
論文のバージョン publisher
査読 有り
PubMed ID 28003680
著者 Hiranaka, Takaaki| Furumatsu, Takayuki| Kamatsuki, Yusuke| Sugiu, Kazuhisa| Okazaki, Yoshiki| Masuda, Shin| Okazaki, Yuki| Takihira, Shota| Miyazawa, Shinichi| Nakata, Eiji| Ozaki, Toshifumi|
備考 This fulltext will be available in Nov 2020 |
発行日 2019-08-20
出版物タイトル Journal of Orthopaedic Science
24巻
6号
出版者 Elsevier
開始ページ 1058
終了ページ 1063
ISSN 09492658
NCID AA11052566
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 The Japanese Orthopaedic Association. Published by Elsevier B.V. All rights reserved.
論文のバージョン author
PubMed ID 31444009
DOI 10.1016/j.jos.2019.08.001
Web of Science KeyUT 000496202800019
関連URL isVersionOf https://doi.org/10.1016/j.jos.2019.08.001
JaLCDOI 10.18926/AMO/32013
フルテキストURL fulltext.pdf
著者 Ohzawa, Seiya| Takahara, Yasuhiro| Furumatsu, Takayuki| Inoue, Hajime|
抄録 <p>The authors analyzed the 5-year and 9-year survival in 134 of 165 patients who underwent total knee arthroplasties from 1989 to 1996 in our department. Patients were followed until December 31, 1998, or until the time of death. Diagnoses were rheumatoid arthritis in 81 patients (132 knees) and osteoarthritis in 53 patients (79 knees). The survival of the patients was compared to that of the age- and sex-adjusted general population. Kaplan-Meier survival curves were constructed. Twenty-two patients in the study died before the end of the follow-up. The cumulative 5-year patient survival was 88.7%, and 9-year patient survival was 64.4% for total knee arthroplasty patients. The standardized mortality ratio was 0.11 (95% confidence interval: 0.02-0.40) for the patients with osteoarthritis, and 0.81 (95% confidence interval: 0.52-1.25) for the patients with rheumatoid arthritis. The Cox proportional hazards model showed that the factors of male sex and rheumatoid arthritis were related to a higher mortality rate in the total knee arthroplasty group.</p>
キーワード total knee authroplasy patient survival rheumatoid arthritis
Amo Type Article
発行日 2001-11
出版物タイトル Acta Medica Okayama
55巻
5号
出版者 Okayama University Medical School
開始ページ 295
終了ページ 299
ISSN 0386-300X
NCID AA00508441
資料タイプ 学術雑誌論文
言語 English
論文のバージョン publisher
査読 有り
PubMed ID 11688953
Web of Sience KeyUT 000171635400006
JaLCDOI 10.18926/AMO/30974
フルテキストURL fulltext.pdf
著者 Ikuma, Hisanori| Abe, Nobuhiro| Uchida, Youichiro| Furumatsu, Takayuki| Fujiwara, Kazuo| Nishida, Keiichiro| Ozaki, Toshifumi|
抄録 <p>Instability of the knee after the medial collateral ligament (MCL) injury is usually assessed with the manual valgus stress test, even though, in recent years, it has become possible to apply magnetic resonance imaging (MRI) to the assessment of the damage of the ligament. The valgus instability of 24 patients (12 isolated injuries and 12 multiple ligament injuries) who suffered MCL injury between 1993 and 1998 was evaluated with the Hughston and Eilers classification, which involves radiographic assessment under manual valgus stress to the injured knees. We developed a novel system for classifying the degree of injury to the MCL by calculating the percentage of injured area based on MRI and investigated the relationship between this novel MRI classification and the magnitude of valgus instability by the Hughston and Eilers classification. There was a significant correlation between the 2 classifications (p=0.0006). On the other hand, the results using other MRI based classification systems, such as the Mink and Deutsch classificaiton and the Petermann classification, were not correlated with the findings by the Hughston and Eilers classification in these cases (p0.05). Since MRI is capable of assessing the injured ligament in clinical practice, this novel classification system would be useful for evaluating the stability of the knee and choosing an appropriate treatment following MCL injury.</p>
キーワード medial collateral ligament magnetic resonance imaging knee instability novel method
Amo Type Original Article
発行日 2008-06
出版物タイトル Acta Medica Okayama
62巻
3号
出版者 Okayama University Medical School
開始ページ 185
終了ページ 191
ISSN 0386-300X
NCID AA00508441
資料タイプ 学術雑誌論文
言語 English
論文のバージョン publisher
査読 有り
PubMed ID 18596835
Web of Science KeyUT 000257130300006
フルテキストURL KSSTA27_2_361.pdf Figs.pdf Table.pdf
著者 Okazaki, Yoshiki| Furumatsu, Takayuki| Miyazawa, Shinichi| Kodama, Yuya| Kamatsuki, Yusuke| Hino, Tomohito| Masuda, Shin| Ozaki, Toshifumi|
キーワード Anterior cruciate ligament reconstruction Flexed-knee position Medial meniscus Meniscal repair Open magnetic resonance imaging Posterior shift
発行日 2018-09-24
出版物タイトル Knee Surgery, Sports Traumatology, Arthroscopy
27巻
2号
出版者 Springer
開始ページ 361
終了ページ 368
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 30251100
DOI 10.1007/s00167-018-5157-2
Web of Science KeyUT 000460315200005
関連URL isVersionOf https://doi.org/10.1007/s00167-018-5157-2
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
備考 This fulltext is available in Feb. 2021.|
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 09680160
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
著者 Okazaki, Yoshiki| Furumatsu, Takayuki| Yamauchi, Takatsugu| Okazaki, Yuki| Kamatsuki, Yusuke| Hiranaka, Takaaki| Kajiki, Yuya| Zhang, Ximing| Ozaki, Toshifumi|
キーワード medial meniscus posterior root tear transtibial repair meniscal volume medial extrusion three-dimensional magnetic resonance imaging
備考 This fulltext is available in Apr. 2021.|
発行日 2020-04-06
出版物タイトル Knee Surgery, Sports Traumatology, Arthroscopy
出版者 Springer
ISSN 09422056
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 32253480
DOI 10.1007/s00167-020-05953-2
Web of Science KeyUT 000525297800001
関連URL isVersionOf https://doi.org/10.1007/s00167-020-05953-2
著者 Tetsunaga, Tomonori| Furumatsu, Takayuki| Abe, Nobuhiro| Nishida, Keiichiro| Naruse, Keiji| Ozaki, Toshifumi|
発行日 2009-09-18
出版物タイトル Journal of Biomechanics
42巻
13号
資料タイプ 学術雑誌論文