Papers - TAJIMA Takuya
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Screening for musculoskeletal problems in Japanese schoolchildren: a cross-sectional study nested in a cohort（共著） Reviewed
N.Yamaguchi，E.Chosa，K.Yamamoto，K.Kawahara，H.Hamada，N.Taniguchi，T.Tajima，T.Funamoto，S.Kurogi，T.Ota，S.Nakamura
Public Health 139 189 - 197 2016.8
Language：English Publishing type：Research paper (scientific journal)
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ラグビー競技会における医療体制向上と重傷事故発生予防を目的とした安全度評価法の活用 Reviewed
田島卓也、帖佐悦男、山本惠太郎、中村嘉宏、山口奈美、柏木輝行
日本整形外科スポーツ医学会雑誌 32 ( 2 ) 35 - 40 2012.4
Language：Japanese Publishing type：Research paper (scientific journal)
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膝前十字靭帯再再建術症例の検討 Reviewed
田島卓也、山本惠太郎、石田康行、山口奈美、崎浜智美、帖佐悦男
JOSKAS雑誌 36 ( 4 ) 258 - 263 2011.4
Language：Japanese Publishing type：Research paper (scientific journal)
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九州地方にて開催されたラグビー競技会に対する安全度評価 Reviewed
田島卓也、帖佐悦男、山本惠太郎、河原勝博、中村嘉宏、吉川大輔、吉川教恵、柏木輝行、東原潤一郎
日本臨床スポーツ医学会雑誌 16 ( 3 ) 402- - 407 2008.4
Language：Japanese Publishing type：Research paper (scientific journal)
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ラグビー競技会に対する安全度評価について Reviewed
田島卓也
日本臨床スポーツ医学会雑誌 12 ( 3 ) 478 - 482 2004.4
Language：Japanese Publishing type：Research paper (scientific journal)
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医学部ラグビー部員の頚部周囲筋力 Reviewed
田島卓也、田島直也、帖佐悦男、園田典生、山本惠太郎
日本臨床スポーツ医学会雑誌 490 - 494 2002.4
Language：Japanese Publishing type：Research paper (scientific journal)
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医学部ラグビー部員の頚椎変化：初心者における2年間での変化 Reviewed
田島卓也、田島直也、帖佐悦男、園田典生、樋口潤一
九州・山口スポーツ医科学研究会誌 12 86 - 91 2000.4
Language：Japanese Publishing type：Research paper (scientific journal)
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医学部ラグビー部員の頚椎変化(第一報）；初心者における1年間での変化 Reviewed
田島卓也、田島直也、帖佐悦男、園田典生、樋口潤一
日本整形外科スポーツ医学会雑誌 20 ( 1 ) 92 - 97 2000.4
Language：Japanese Publishing type：Research paper (scientific journal)
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医学部ラグビー部員の頚椎変化 Reviewed
田島卓也、田島直也、帖佐悦男、園田典生、樋口潤一
日本整形外科スポーツ医学会雑誌 19 ( 1 ) 63 - 68 1999.4
Language：Japanese Publishing type：Research paper (scientific journal)
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Yang F., Yokoe T., Ouchi K., Tajima T., Kamei N., Chosa E.
Scientific Reports 15 ( 1 ) 10008 2025.12
Authorship：Lead author, Last author, Corresponding author Language：English Publishing type：Research paper (scientific journal) Publisher：Scientific Reports
Whether isolated high tibial osteotomy (HTO) or HTO combined with medial meniscus posterior root (MMPR) repair is the optimal surgical treatment of MMPR tears remains controversial. This study compared the biomechanical effects of isolated HTO versus MMPR repair combined with medial open wedge HTO (MOWHTO) or lateral closed wedge HTO (LCWHTO) using finite element analysis (FEA). In this study, the MRI and CT data of the knee joint were used to create an FEA model. MOWHTO and LCWHTO simulations adjusted the mechanical axis to the Fujisawa point, with MMPR conditions simulated as intact, tear, or repaired. The ankle center was fixed and a 1000 N force was applied to the knee. In the LCWHTO models, the posterior tibial slope (PTS) decreased, whereas it increased in the MOWHTO models. Changes in the PTS following HTO influenced the stress distribution in the MMPR. HTO combined with MMPR repair showed a reduction in the maximum contact stress by 5.4–11.4% and increased contact area by 29.5–41.0% in the medial knee compartment relative to isolated HTO. This study demonstrated that MMPR repair combined with LCWHTO would be more protective against stress loading in the MMPR than MMPR repair combined with MOWHTO or isolated HTO.
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Yokoe T., Yang F., Tajima T., Yamaguchi N., Morita Y., Chosa E.
Foot and Ankle Surgery 31 ( 1 ) 20 - 24 2025.1
Authorship：Lead author, Last author, Corresponding author Language：English Publishing type：Research paper (scientific journal) Publisher：Foot and Ankle Surgery
Background: This study aimed to investigate ankle syndesmosis in healthy subjects under non-weight bearing (NWB) and weight bearing (WB) conditions using two US methods. Methods: The anterior tibiofibular clear space (ATFCS) was measured in healthy subjects in NWB and WB conditions using two US procedures. Method 1 measured 10 mm above the ankle joint and Method 2 measured 30° from the line of 10 mm above the ankle joint. Results: A total of 60 ankles from 30 subjects (male/female, 15/15) were included. There was a significant difference in the ATFCS between the two US methods (p < 0.001), and Method 2 was better at detecting the change in diastasis from NWB to WB conditions. The ATFCS was significantly greater on WB than on NWB, irrespective of the US method. Conclusions: Method 2 was better at detecting diastasis of the syndesmosis from NWB to WB conditions. The influence of WB needs to be considered when evaluating syndesmosis using US. Level of evidence: Cross-sectional cohort study; Level of evidence, Ⅳ
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Yang F., Yokoe T., Ouchi K., Tajima T., Chosa E.
Lecture Notes in Electrical Engineering 1322 LNEE 3 - 12 2025
Authorship：Lead author, Last author, Corresponding author Publishing type：Research paper (scientific journal) Publisher：Lecture Notes in Electrical Engineering
This research explored how different tibial slope (TS) and tibial tunnel angle (TTA) settings impact the tibial tunnel phenomenon in posterior cruciate ligament (PCL) reconstruction using 3D finite element analysis (FEA). Models derived from CT scans of a healthy male recruiter were utilized. Tibial bone tunnels and PCL grafts were designed using SolidWorks with various tunnel angles (60°, 45°, 30°). Anterior wedge high tibial osteotomy (AW-HTO) was conducted to assess the effects of different TS angles (−4°, −8°, native, +8°, +4°). Finite element analysis (FEA) was conducted using specialized software. In each TS model, the maximum equivalent Von Mises stress (VMS) in PCL grafts diminished with an increase in TTA. Similarly, in each TTA model, the maximum VMS in PCL grafts reduced as the TS angle increased. Increasing both TTA and TS decreased the area of “high-contact stress” at the tibial tunnel (stress exceeding 10 MPa), potentially reducing stress at the “killer turn” during PCL reconstruction.
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Morita Y., Tajima T., Yamaguchi N., Yokoe T., Nagasawa M., Ota T., Ouchi K., Chosa E.
Scientific Reports 14 ( 1 ) 6192 2024.12
Authorship：Corresponding author Language：English Publishing type：Research paper (scientific journal) Publisher：Scientific Reports
Posterior tibial translation (PTT) after double-bundle posterior cruciate ligament (PCL) reconstruction has sometimes occurred. Purpose of this study is to identify the risk factors for postoperative PTT after double-bundle PCL reconstruction with a hamstring autograft. Comparing the results of bilateral gravity sag view (GSV) at 12 months after surgery, over 5-mm PTT was defined as ‘failure’ in this study. Of 26 isolated PCL reconstruction cases, over 5-mm PTT was seen in 7 cases (group F: 9.57 ± 1.28 mm), and 19 cases had less than 5 mm (group G: 2.84 ± 1.29 mm). Age, sex, body mass index (BMI), preoperative GSV, posterior slope angle of the tibia, anterolateral bundle (ALB) and posteromedial bundle (PMB) graft diameters, and tibial tunnel diameter were evaluated. The two groups were compared with the 2 × 2 chi-squared test, the Mann Whitney U-test, and Spearman’s rank correlation coefficient. Multivariate logistic regression analysis was also performed to determine the risk factor. Statistical significance was indicated as p < 0.01 for correlation with postoperative PTT, and as p < 0.05 for all other comparisons. Mean age (group G 31.8 ± 12.5 vs group F 34.9 ± 15.9 years), sex (male/female: 15/4 vs 3/4), BMI (25.6 ± 4.6 vs 24.9 ± 3.9 kg/m2), preoperative GSV (11.3 ± 2.2 vs 11.6 ± 2.9 mm), PMB diameter (5.37 ± 0.33 vs 5.36 ± 0.48 mm), and tibial tunnel diameter (9.32 ± 0.58 vs 9.29 ± 0.49 mm) showed no significant differences. ALB diameter was significantly greater in group G (7.0 ± 0.5 mm) than in group F (6.5 ± 0.29 mm; p = 0.022). There was also a significant difference in posterior tibial slope angle (group G 9.19 ± 1.94 vs group F 6.54 ± 1.45, p = 0.004). On Spearman rank correlation coefficient analysis, ALB diameter GSV (correlation coefficient: − 0.561, p = 0.003) and posterior tibial slope angle (correlation coefficient: − 0.533, p = 0.005) showed a significant correlation with postoperative PTT. Multivariate logistic regression analysis showed that ALB diameter (OR 19.028; 95% CI 1.082–334.6; p = 0.044) and posterior slope angle of tibia (OR 3.081; 95% CI 1.109–8.556; p = 0.031) were independently associated with postoperative PTT, respectively. In double-bundle PCL reconstruction with hamstring, smaller ALB graft diameter and lower (flatted) tibial slope angle were considered risk factors for postoperative PTT.
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Direct repair of the chronic ochronotic Achilles tendon rupture: a case report Reviewed
Yokoe T., Nagasawa M., Tajima T., Yamaguchi N., Ota T., Morita Y., Chosa E.
BMC Musculoskeletal Disorders 25 ( 1 ) 843 2024.12
Authorship：Lead author, Last author, Corresponding author Language：English Publishing type：Research paper (scientific journal) Publisher：BMC Musculoskeletal Disorders
Background: Alkaptonuria (AKU) is a rare hereditary disease. Ochronotic arthropathy, tendinopathy, and osteopenia/osteoporosis are generally musculoskeletal manifestations in patients with AKU. Because of the ochronotic tendinopathy and osteopenia, the surgical strategy for chronic ochronotic Achilles tendon rupture may be challenging. No studies have reported the surgical treatment of chronic Achilles tendon rupture in patients with AKU. Case presentation: We report a case of AKU that required surgical treatment for chronic Achilles tendon rupture. A 60-year-old woman was referred to our department for the assessment of left hindfoot pain that persisted for more than nine months after an ankle sprain. Three years prior to the first presentation to our hospital, she was diagnosed with AKU due to pigmented hip cartilage at the time of total hip arthroplasty. The patient was diagnosed as chronic Achilles tendon rupture based on the results of physical examination and magnetic resonance imaging (MRI). The MRI showed enlarged scar tissue of the Achilles tendon with an intrasubstance high signal intensity. We performed resection of the central part of the scar tissue (total length, 24 mm) followed by direct repair using the proximal and distal stumps of the scar tissue. The MRI at 12months after surgery showed continuity of the repaired Achilles tendon. At 18 months after surgery, the Achilles Tendon Total Rupture Score improved from 22 points preoperatively to 84 points postoperatively. The foot and ankle outcome score also improved. Conclusions: We reported a case of AKU with chronic Achilles tendon rupture in which direct repair using scar tissue between the tendon stumps was effective. Careful selection of the surgical procedure for the treatment of chronic ochronotic Achilles tendon rupture is recommended because of concomitant ochronotic tendinopathy and osteopenia/osteoporosis.
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Yokoe T., Yang F., Tajima T., Chosa E.
BMC Musculoskeletal Disorders 25 ( 1 ) 764 2024.12
Authorship：Lead author, Last author, Corresponding author Language：English Publishing type：Research paper (scientific journal) Publisher：BMC Musculoskeletal Disorders
Background: The evaluation of lateral ankle laxity remains challenging when diagnosing chronic lateral ankle instability (CLAI). Several studies have reported that internal rotation of the talus as an indicator of rotational lateral ankle laxity (RLAL) increases in patients with CLAI. However, there is no established method for detecting and evaluating the RLAL. This study aimed to report a novel method for evaluating the RLAL in the gravity stress position by measuring the talofibular distance (TFD) using ultrasonography (US) and show the normative value of the TFD. Methods: The TFDs in the subjects with healthy ankles were prospectively measured 10 mm distal to the ankle joint in the neutral ankle position and gravity stress position using US. The differences in the TFD between the two ankle positions were evaluated. The differences in the TFD by gender and ankle laterality were also evaluated. Results: A total of 52 healthy ankles of 28 subjects (mean age, 24.0 ± 1.6; male/female, 12/16) were finally included. There was a significant difference in the TFD between the neutral ankle position (6.9 ± 0.9 mm) and gravity stress position (9.0 ± 0.9 mm) (p < 0.001). The mean difference in the TFD between the two ankle positions was 2.1 ± 0.6 mm. There were no significant differences in the TFD by gender and ankle laterality. Conclusions: The present study reported a novel US method for evaluating RLAL by applying gravity stress and the normative value of the TFD.
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特集 外来でできる運動器疾患に対する最先端保存療法 神経筋電気刺激療法(NMES)の筋萎縮予防･筋力増強効果 Reviewed
田島 卓也, 帖佐 悦男
関節外科 基礎と臨床 43 ( 14 ) 116 - 123 2024.10
Authorship：Lead author, Corresponding author Publishing type：Research paper (scientific journal) Publisher：メジカルビュー社
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Yokoe T., Yang F., Tajima T., Yamaguchi N., Morita Y., Chosa E.
Foot and Ankle Surgery 30 ( 7 ) 608 - 611 2024.10
Authorship：Lead author, Last author, Corresponding author Language：English Publishing type：Research paper (scientific journal) Publisher：Foot and Ankle Surgery
Background: This study aimed to evaluate the shape of the retromalleolar groove of the tibialis posterior tendon (TPT) using computed tomography (CT). Methods: CT images of patients with foot or ankle pathologies were retrospectively reviewed. The morphology of the retromalleolar groove of the TPT was assessed at two different levels: the ankle joint and 10 mm above the ankle joint. The groove shape was classified into three types; concave, flat, or irregular. In cases with concave grooves, the width and depth of the grooves were measured. Results: Of the 116 ankles from 116 subjects included in this study, 80.2 % showed a shallow concave shape (mean depth, 1.6 mm) at the two scan levels. The shape and width of the groove differed significantly by gender, although there was no significant difference in the groove depth. Conclusion: Approximately 80% showed a shallow concave groove of the TPT. The groove characteristics differed by gender, although there was no significant difference in the groove depth. Level of evidence: Cross-sectional cohort study; Level of evidence, Ⅳ
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リファンピシン使用によりステロイド作用が減弱し治療に難渋した手関節非結核性抗酸菌症の1例
松永 美穂, 大田 智美, 田島 卓也, 山口 奈美, 長澤 誠, 森田 雄大, 横江 琢示, 帖佐 悦男
整形外科と災害外科 73 ( 3 ) 602 - 605 2024.9
Authorship：Lead author, Last author, Corresponding author Language：Japanese Publishing type：Research paper (scientific journal) Publisher：西日本整形・災害外科学会
【はじめに】ステロイド薬は他薬との薬物相互作用が比較的少なく汎用されるが，抗結核薬のリファンピシン（以下RFP）との相互作用はあまり知られていない．ネフローゼ症候群加療中に非結核性抗酸菌症（以下NTM）を合併し，ステロイドとRFPの併用で原疾患およびNTMの治療に難渋した1例を経験した．【症例】41歳男性，21歳時にネフローゼ症候群と診断され，ステロイドを内服中に手関節掌背側の腫脹を認め，滑膜切除術後に非結核性抗酸菌性滑膜炎の診断となった．RFPを含む抗結核薬3剤を開始したところ，ネフローゼ症候群が悪化しステロイドを増量，尿蛋白は改善するも手関節腫脹が再発し，2回目の滑膜切除術施行後，高気圧酸素療法で感染は鎮静化した．【考察】NTMにはRFPが汎用されるが，ステロイドとの相互作用により治療に難渋することがある．薬物の相互作用を十分に熟知し，NTMの治療にあたる必要がある．
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特集 大規模レジストリーによる整形外科リアルワールドエビデンス構築 関節鏡およびスポーツ整形外科関連手術に対するレジストリー-JOSKAS eNOTEからJSOAレジストリーへ Reviewed
田島 卓也, 鈴木 朱美
臨床整形外科 59 ( 7 ) 891 - 895 2024.7
Authorship：Lead author, Corresponding author Publishing type：Research paper (scientific journal) Publisher：株式会社医学書院
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Ureter position and risk of ureteral injury during lateral lumbar interbody fusion Reviewed
Hamanaka H., Tajima T., Kurogi S., Higa K., Nagai T., Kuroki T., Takamori H., Mukai S., Kamoto T., Chosa E.
Journal of Orthopaedic Science 2024.5
Authorship：Corresponding author Language：English Publishing type：Research paper (scientific journal)