Journal of Orthopaedic Science最新文献

{"title":"Evaluation of trunk muscles in lumbar degenerative disease using magnetic resonance imaging T2 mapping: Association with computed tomography parameters and body composition.","authors":"Noritaka Suzuki, Yawara Eguchi, Shuhei Iwata, Sumihisa Orita, Kazuhide Inage, Yasuhiro Shiga, Masahiro Inoue, Kohei Okuyama, Soichiro Tokeshi, Shuhei Ohyama, Kosuke Takeda, Seiji Ohtori","doi":"10.1016/j.jos.2025.09.013","DOIUrl":"https://doi.org/10.1016/j.jos.2025.09.013","url":null,"abstract":"<p><strong>Background: </strong>In lumbar degenerative diseases, degeneration occurs in spinal structures, including the paravertebral muscles (PVM) and psoas major (PM). Current methods for assessing muscle degeneration lack standardization and quantitative measures. MRI T2 mapping provides a qualitative assessment of muscle tissue, but its utility in evaluating PVM and PM remains unclear. This study aimed to measure PVM and PM T2 relaxation times and assess its utility for quantitative evaluation of muscle quality.</p><p><strong>Methods: </strong>Sixty patients (30 males; mean age 70.0 years) who underwent surgery for lumbar degenerative diseases were included. T2 relaxation times of the PVM and PM were measured using preoperative MRI T2 mapping at the L4/5 level. CT numbers and cross-sectional areas (CSA) were obtained from preoperative CT scans. Skeletal muscle mass and phase angle (PhA) were assessed using bioelectrical impedance analysis. Correlations between T2 relaxation times and radiological and body composition parameters were evaluated using Spearman's rank correlation coefficient.</p><p><strong>Results: </strong>Mean T2 relaxation times for PVM and PM were 68.4 ms and 56.8 ms, respectively. PVM T2 relaxation times exhibited a strong negative correlation with CT numbers (r = -0.824) and positively correlated with age (r = 0.466). Furthermore, PVM T2 relaxation times were negatively correlated with systemic skeletal muscle mass (r = -0.466) and PhA (r = -0.480). In contrast, PM T2 relaxation times showed no significant correlations with skeletal muscle mass and PhA.</p><p><strong>Conclusions: </strong>This study suggests that MRI T2 mapping may be a useful non-invasive tool for the quantitative assessment of trunk muscle quality in patients with lumbar degenerative disease. The strong correlations observed between PVM T2 relaxation time and both CT values and systemic sarcopenia markers indicate its potential for evaluating paravertebral muscle health without radiation exposure. These findings may also contribute to a deeper understanding of sarcopenia in patients with spinal disorders.</p>","PeriodicalId":16939,"journal":{"name":"Journal of Orthopaedic Science","volume":" ","pages":""},"PeriodicalIF":1.4,"publicationDate":"2025-10-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145274906","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Risk factors for osteoarthrosis in the second and third tarsometatarsal joints in patients with hallux valgus.","authors":"Saori Ishibashi, Tomoyuki Nakasa, Yasunari Ikuta, Shingo Kawabata, Satoru Sakurai, Dan Moriwaki, Nobuo Adachi","doi":"10.1016/j.jos.2025.09.006","DOIUrl":"https://doi.org/10.1016/j.jos.2025.09.006","url":null,"abstract":"<p><strong>Background: </strong>Hallux valgus (HV) is prevalent in older adults and often coexists with osteoarthrosis (OA) of the second and third tarsometatarsal (TMT) joints, leading to functional impairment. Because OA changes in these joints are irreversible, understanding factors influencing OA is critical for improving therapeutic strategies. This study aimed to identify the factors influencing second and third TMT OA development.</p><p><strong>Methods: </strong>This retrospective study included 108 feet with HV. Patients were divided into the OA group (33 feet) and the non-OA group (75 feet) according to the complaint of their pain in the dorsum of the foot. Clinical data and radiographic parameters such as the HV angle (HVA), intermetatarsal angle (IMA) and M1M5 angles, Meary angle, calcaneal pitch angle, and first TMT angle, and metatarsal length were analyzed. Logistic regression was used to identify factors associated with OA in the second and third TMT joints.</p><p><strong>Results: </strong>In the OA group, age, body mass index (BMI), HVA, IMA, M1M5, 1st TMT, Meary, and CP angles were significantly higher, and the M3/M1 and M4/M1 ratios were significantly lower than those in the non-OA group. Logistic regression identified body mass index (BMI) (p < 0.01), age (p < 0.05), Meary angle (p < 0.01), and M4/M1 ratio (p < 0.05) as significant predictors of OA.</p><p><strong>Conclusion: </strong>Degeneration of the second and third TMT joints was associated with the severity of HV and correlated with structural deformities such as reduced medial longitudinal arches. Identifying key factors such as BMI and radiographic parameters can provide insights into the pathogenesis of HV-related TMT-OA and provide targeted therapeutic interventions.</p><p><strong>Level of evidence: 4: </strong></p>","PeriodicalId":16939,"journal":{"name":"Journal of Orthopaedic Science","volume":" ","pages":""},"PeriodicalIF":1.4,"publicationDate":"2025-10-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145274946","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Determinants of length of stay after first admission for osteoporotic proximal femoral fracture in Japan.","authors":"Koichi Hirai, Shuko Nojiri, Masashi Nagao, Yuji Nishizaki","doi":"10.1016/j.jos.2025.09.012","DOIUrl":"https://doi.org/10.1016/j.jos.2025.09.012","url":null,"abstract":"<p><strong>Introduction: </strong>Osteoporotic proximal femoral fractures (OPFFs) are among the top 10 causes of adult disability and are one of the four major conditions alongside dementia, stroke, and frailty that require nursing care in Japan. With the aging Japanese population, the incidence of these fractures is expected to increase.</p><p><strong>Materials and methods: </strong>This retrospective, cross-sectional study analyzed data from the Diagnosis Procedure Combination database in Japan, focusing on hospital stays for OPFFs. Patients aged ≥60 years who underwent surgery during their first hospitalization between April 2008 and December 2020 were included. Logistic regression and decision tree models were used to identify factors associated with length of hospital stay.</p><p><strong>Results: </strong>Among the 338,358 patients identified, 197,936 aged ≥60 years underwent surgery, with a median stay of 27 days. Most patients were women (n = 154,537) with a median age of 85 years. The hospitals with ≥500 beds are more likely to have shorter stays (less than 23 days) compared to hospitals with ≤199 beds (odds ratio, 0.19; 95 % CI, 0.18-0.20).</p><p><strong>Conclusion: </strong>The number of available hospital beds is more related to length of hospitalization for OPFFs than comorbidities. Hospitals with a large number of beds are associated with significantly shorter hospital stays. In an aging society, reducing the length of hospitalization for OPFFs, an injury whose incidence is expected to increase, is a crucial step toward improving healthcare efficiency and economic stability.</p>","PeriodicalId":16939,"journal":{"name":"Journal of Orthopaedic Science","volume":" ","pages":""},"PeriodicalIF":1.4,"publicationDate":"2025-10-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145274962","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Synergistic antibacterial effect of silver-containing hydroxyapatite coating and vancomycin against haematogenous orthopaedic implant-associated infection in rat femur.","authors":"Sakumo Kii, Hiroshi Miyamoto, Takema Nakashima, Akira Hashimoto, Masaya Ueno, Iwao Noda, Tomoki Kobatake, Takeo Shobuike, Motoki Sonohata, Masaaki Mawatari","doi":"10.1016/j.jos.2025.09.011","DOIUrl":"https://doi.org/10.1016/j.jos.2025.09.011","url":null,"abstract":"<p><strong>Background: </strong>Orthopaedic implant-associated infection (OIAI) is a significant complication following orthopaedic procedures, and one treatment strategy includes debridement, antibiotics, and implant retention (DAIR). The synergistic antibacterial effect of the implant and antibiotics is important for successful treatment. Silver-containing hydroxyapatite (Ag-HA) coating and vancomycin (VCM) have previously been reported to exhibit synergistic antibacterial effects on subcutaneous infection in rats. However, this synergistic effect on implant-based infections in the bones remains unknown. The present study aimed to report the effects of Ag-HA coating and VCM against haematogenous infection caused by methicillin-resistant Staphylococcus aureus (MRSA) in rat femurs.</p><p><strong>Methods: </strong>Sprague-Dawley rats were assigned to four groups of treatment: titanium (Ti) rods injected with phosphate-buffered saline (PBS) (Ti PBS); Ti rods injected with VCM (Ti VCM); Ag-HA-coated Ti rods injected with PBS (Ag-HA PBS); and Ag-HA-coated Ti rods injected with VCM (Ag-HA VCM). Thirteen rats per group were used for measurements. After inserting the rods into both femurs of rats, an MRSA suspension was injected intravenously into the tail vein to induce OIAI. The rats subsequently received a subcutaneous injection of VCM. VCM was administered every 12 h from postoperative day 10-13 (eight doses in total), simulating therapeutic intervention. On the 14th postoperative day, the rats were euthanised, and the femurs were dissected to calculate the viable MRSA cell count.</p><p><strong>Results: </strong>The viable counts in the Ag-HA PBS group were lower than those in the Ti PBS group (p = 0.0012). Furthermore, the viable counts in the Ag-HA VCM group were lower than those in the Ti PBS group (p < 0.0001).</p><p><strong>Conclusions: </strong>The combination of Ag-HA coating and VCM exhibited a synergistic antibacterial effect against haematogenous infection caused by MRSA in the rat femur. The combination of Ag-HA coating and VCM may be advantageous in the treatment of OIAI with DAIR.</p>","PeriodicalId":16939,"journal":{"name":"Journal of Orthopaedic Science","volume":" ","pages":""},"PeriodicalIF":1.4,"publicationDate":"2025-10-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145274980","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Epidemiology and prognosis of malignant peripheral nerve sheath tumor (MPNST) in Japan: A population-based analysis using the national cancer registry.","authors":"Shudai Muramatsu, Koichi Ogura, Chigusa Morizane, Tomoyuki Satake, Shintaro Iwata, Eisuke Kobayashi, Takahiro Higashi, Yu Toda, Toshiyuki Takemori, Hiroya Kondo, Akira Kawai","doi":"10.1016/j.jos.2025.09.007","DOIUrl":"https://doi.org/10.1016/j.jos.2025.09.007","url":null,"abstract":"<p><strong>Background: </strong>The national epidemiology of malignant peripheral nerve sheath tumor (MPNST) remains underexplored. We analyzed Japanese domestic statistics for MPNST using the National Cancer Registry (NCR), a population-based database launched in 2016.</p><p><strong>Methods: </strong>We analyzed 837 MPNST cases diagnosed between 2016 and 2019, comparing them with 22,685 non-MPNST soft tissue sarcomas. We assessed demographics, treatment, and survival using Kaplan-Meier and Cox proportional hazards models.</p><p><strong>Results: </strong>The age-adjusted incidence of MPNST in Japan was 0.13 per 100,000. Unlike other sarcomas, MPNST showed a balanced sex ratio and a relatively higher proportion of adolescent and young adult (AYA) patients (18.5 % vs. 10.7 %, p < 0.001). Most MPNSTs (87.4 %) originated from the skin and soft tissues. The 3-year survival rate for MPNST patients (53.0 %) was lower than that for other sarcomas (64.3 %, p < 0.001). Surgery was associated with longer survival (hazard ratio [HR]: 2.09; p < 0.001), while no clear benefit was observed for chemotherapy or radiotherapy. Radiotherapy was more frequently used in MPNST patients (21.1 % vs. 15.6 %, p < 0.001), likely reflecting a selection bias towards non-surgical cases.</p><p><strong>Conclusions: </strong>This is the first study to analyze the national epidemiology and prognosis of MPNST in a socio-economically homogeneous, single ethnic group. MPNST primarily affected the skin and soft tissues, with a higher incidence in the AYA group. Surgery was associated with better outcomes, whereas chemotherapy and radiotherapy implied poorer prognosis owing to selection bias for unresectable cases. The NCR provides a valuable model for research on rare diseases in homogeneous populations.</p>","PeriodicalId":16939,"journal":{"name":"Journal of Orthopaedic Science","volume":" ","pages":""},"PeriodicalIF":1.4,"publicationDate":"2025-10-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145274916","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Reply to letter to the Editor by Andreas REHM.","authors":"Ryo Fukagawa, Ichiro Yoshimura, Tomonobu Hagio, Tetsuro Ishimatsu, Yuki Sugino, Seiya Tomonaga, Yoshimasa Taniguchi, Takuaki Yamamoto","doi":"10.1016/j.jos.2025.09.001","DOIUrl":"https://doi.org/10.1016/j.jos.2025.09.001","url":null,"abstract":"","PeriodicalId":16939,"journal":{"name":"Journal of Orthopaedic Science","volume":" ","pages":""},"PeriodicalIF":1.4,"publicationDate":"2025-10-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145274984","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Diagnostic accuracy of preoperative magnetic resonance arthrography for detecting midsubstance capsular tears: Irregular outline sign.","authors":"Kei Matsunaga, Satoshi Miyake, Terufumi Shibata, Shunsuke Kobayashi, Naofumi Hata, Masahiko Sakai, Teruaki Izaki, Yozo Shibata, Takuaki Yamamoto","doi":"10.1016/j.jos.2025.09.002","DOIUrl":"https://doi.org/10.1016/j.jos.2025.09.002","url":null,"abstract":"<p><strong>Background: </strong>Traumatic anterior shoulder instability is caused by functional and structural failure of the inferior glenohumeral ligament-labrum complex. One such cause is midsubstance capsular tear, which is a rare condition with a prevalence of 1.5 %-4.0 %. It is crucial to obtain accurate preoperative imaging of a midsubstance capsular tear because of the high skill level required for surgical treatment. However, reproducible and reliable radiological features for the diagnosis of midsubstance capsular tear have not been identified, and although the distorted shape of the magnetic resonance arthrography is reportedly a sign of midsubstance capsular tear, its reproducibility and reliability have not been adequately demonstrated. The present study investigated the diagnostic accuracy of the Irregular Outline (IO) sign on magnetic resonance arthrography for diagnosing midsubstance capsular tear.</p><p><strong>Methods: </strong>This retrospective study included 204 shoulders with traumatic anterior shoulder instability after excluding patients with previous surgeries, fractures, or poor-quality magnetic resonance arthrography images. Two examiners evaluated the magnetic resonance arthrography images for the IO sign, and the presence of midsubstance capsular tear was confirmed via arthroscopic records.</p><p><strong>Results: </strong>Midsubstance capsular tear was identified in 12 of 204 shoulders (5.9 %). The IO sign demonstrated high diagnostic accuracy with a sensitivity of 85.4 %, specificity of 94.9 %, positive predictive value of 51.8 %, and negative predictive value of 99.1 %. The inter-rater and intra-rater reliabilities were high, with kappa coefficients above 0.8.</p><p><strong>Conclusion: </strong>The IO sign on magnetic resonance arthrography is a reliable indicator with high sensitivity and specificity for diagnosing midsubstance capsular tear. The accurate preoperative diagnosis of a midsubstance capsular tear can assist in planning appropriate surgical interventions, especially for shoulder surgeons with less experience. Further studies are needed to confirm these findings in larger populations and with standardized imaging equipment.</p>","PeriodicalId":16939,"journal":{"name":"Journal of Orthopaedic Science","volume":" ","pages":""},"PeriodicalIF":1.4,"publicationDate":"2025-10-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145274921","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Letter to the Editor regarding: Foot alignment characteristics in patients with Freiberg's disease.","authors":"Andreas Rehm, John E Lawrence, Hatem Osman, Eve McMahon, Rebecca J Worley, Elizabeth Ashby","doi":"10.1016/j.jos.2025.08.015","DOIUrl":"https://doi.org/10.1016/j.jos.2025.08.015","url":null,"abstract":"","PeriodicalId":16939,"journal":{"name":"Journal of Orthopaedic Science","volume":" ","pages":""},"PeriodicalIF":1.4,"publicationDate":"2025-10-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145258269","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Prospective observational study of daily upper-limbs activities following arthroscopic rotator cuff repair using triaxial accelerometers: Recovery process and relationship with preoperative clinical parameters.","authors":"Toshiyuki Fukushima, Yoshihiro Nakamura, Hiroshi Kurumadani, Shota Date, Masako Tominaga, Toru Sunagawa","doi":"10.1016/j.jos.2025.08.011","DOIUrl":"https://doi.org/10.1016/j.jos.2025.08.011","url":null,"abstract":"<p><strong>Background: </strong>Following arthroscopic rotator cuff repair (ARCR), upper-limb movement must be restricted during the early postoperative phase. However, the postoperative recovery process of daily upper-limb use and its relationship with preoperative parameters remain unclear. We investigated the postoperative recovery process of the operated limb use following ARCR quantitatively using triaxial accelerometers and examined its relationship with preoperative parameters.</p><p><strong>Methods: </strong>We evaluated bilateral upper-limb use in daily activities using triaxial accelerometers in 21 patients who underwent ARCR. Measurements were performed immediately before the surgery and at 2, 3, 6, and 12 months postoperatively. Twenty healthy adults served as the controls. Additionally, correlations with preoperative clinical scores, active range of motion, muscle strength, and pain were investigated.</p><p><strong>Results: </strong>The frequency of upper-limb use showed no significant differences between the operated and non-operated limbs from the preoperative to 12 months postoperatively. The intensity of upper-limb use in the operated limb was significantly lower than that in the non-operated limb and controls at the preoperative, 2 and 3months. These differences were resolved 6 months postoperatively. Regarding preoperative parameters, postoperative intensity particularly correlated with shoulder flexion and muscle strength.</p><p><strong>Conclusion: </strong>Following ARCR, the intensity of upper-limb use should be increased progressively, as additional time may be needed for intensity recovery. Furthermore, maintaining preoperative shoulder flexion may promote postoperative daily upper-limb activities. These findings suggest that clinicians may consider monitoring the intensity of upper-limb use in daily living following ARCR and maintaining shoulder flexion through preoperative rehabilitation.</p>","PeriodicalId":16939,"journal":{"name":"Journal of Orthopaedic Science","volume":" ","pages":""},"PeriodicalIF":1.4,"publicationDate":"2025-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145092008","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Translation, cultural adaptation, validity, and reliability of the Japanese version of the constant score: A cross-sectional study.","authors":"Daisuke Uritani, Yuuka Yasuura, Kinako Sasaki, Nobuya Harada, Christopher R Constant","doi":"10.1016/j.jos.2025.08.012","DOIUrl":"https://doi.org/10.1016/j.jos.2025.08.012","url":null,"abstract":"<p><strong>Background: </strong>The Constant Score (CS) is one of the most widely used shoulder function assessment instruments. However, a culturally and linguistically adapted Japanese version has not yet been established. This study aimed to translate and culturally adapt CS into Japanese (CS-J) and evaluate its reliability and validity.</p><p><strong>Methods: </strong>The CS was translated into Japanese following internationally accepted cross-cultural adaptation guidelines. Psychometric properties of the CS-J were evaluated in 64 patients with shoulder dysfunction. Internal consistency was assessed using Cronbach's alpha. Test-retest reliability was examined using intraclass correlation coefficients (ICC). Construct validity was confirmed by exploratory factor analysis (EFA), and concurrent validity was tested against SPADI, QuickDASH, and SF-12 scores.</p><p><strong>Results: </strong>The CS-J demonstrated excellent internal consistency (Cronbach's alpha = 0.91) and test-retest reliability (ICC = 0.91). The EFA revealed a two-factor structure corresponding to the subjective and objective components of the CS. Significant correlations were found between CS-J and SPADI (r = -0.82), QuickDASH (r = -0.82), SF-12 Physical Component Summary (r = 0.72), and Mental Component Summary (r = 0.52) scores, supporting concurrent validity.</p><p><strong>Conclusions: </strong>The CS-J has acceptable reliability and validity, making it a useful tool for evaluating shoulder function in Japanese patients. The standardized adaptation of the CS-J enables more accurate clinical assessments and facilitates international research collaboration.</p>","PeriodicalId":16939,"journal":{"name":"Journal of Orthopaedic Science","volume":" ","pages":""},"PeriodicalIF":1.4,"publicationDate":"2025-09-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145086408","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}