Journal of Orthopaedic Science最新文献

{"title":"Comparison of clinical features between patients with bone and soft tissue angiosarcomas.","authors":"Yuta Kamo, Masatake Matsuoka, Tomohiro Onodera, Koji Iwasaki, Dai Sato, Taku Ebata, Yoshiaki Hosokawa, Eiji Kondo, Norimasa Iwasaki","doi":"10.1016/j.jos.2025.08.009","DOIUrl":"https://doi.org/10.1016/j.jos.2025.08.009","url":null,"abstract":"<p><strong>Background: </strong>Angiosarcoma is a rare and aggressive malignancy arising from vascular endothelial cells, with distinct subtypes originating in bone (AS-B) and soft tissue (AS-ST). While these subtypes share pathological similarities, differences in clinical outcomes remain unclear due to limited data. This study aimed to compare the clinical features, treatment strategies, and survival outcomes between AS-B and AS-ST using the Surveillance, Epidemiology, and End Results (SEER) database.</p><p><strong>Methods: </strong>A retrospective analysis was conducted using the SEER database from 2000 to 2020. A total of 3600 angiosarcoma cases were included, with 114 AS-B and 3486 AS-ST cases. Patient demographics, tumor characteristics, and treatment modalities were analyzed. Cancer-specific survival (CSS) and overall survival (OS) were assessed using Kaplan-Meier analysis, and risk factors were evaluated through Cox proportional hazards modeling.</p><p><strong>Results: </strong>AS-B patients were predominantly male, with higher rates of extremity tumors and distant metastases compared to AS-ST. The 5-year CSS was 34.4 % and OS was 15.0 % for AS-B, compared to 38.3 % CSS and 26.0 % OS for AS-ST, with no significant differences after Cox proportional hazards modeling. Metastases were associated with poorer survival in AS-B, while surgical intervention and chemotherapy improved both CSS and OS. Similar trends were observed in AS-ST, with tumor grade, metastases, and treatment modalities influencing survival.</p><p><strong>Conclusion: </strong>This population-based study highlights the distinct clinical features of AS-B and AS-ST. It also demonstrates comparable survival outcomes between the two groups. Although survival was similar between AS-B and AS-ST, their distinct clinical characteristics suggest the need for site-specific therapeutic considerations. Given the retrospective design, observed treatment effects should be interpreted as associations rather than causal relationships.</p>","PeriodicalId":16939,"journal":{"name":"Journal of Orthopaedic Science","volume":" ","pages":""},"PeriodicalIF":1.4,"publicationDate":"2025-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145008320","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":"Thromboembolic risks after knee arthroplasty in patients with severe obesity: A large-scale analysis using Japanese medical claims data.","authors":"Yu Mori, Kunio Tarasawa, Hidetatsu Tanaka, Masayuki Kamimura, Naoko Mori, Kiyohide Fushimi, Toshimi Aizawa, Kenji Fujimori","doi":"10.1016/j.jos.2025.08.007","DOIUrl":"https://doi.org/10.1016/j.jos.2025.08.007","url":null,"abstract":"<p><strong>Background: </strong>Obesity is associated with an increased risk of complications after total knee arthroplasty (TKA) and unicompartmental knee arthroplasty (UKA), particularly in Western populations. However, the effect of severe obesity (body mass index [BMI] ≥ 35 kg/m²) on postoperative complications in Japanese patients remains unclear.</p><p><strong>Methods: </strong>We conducted a retrospective cohort study using Japan's Diagnosis Procedure Combination (DPC) database, including patients who underwent TKA or UKA between April 2016 and March 2023. Patients were classified into severely obese (BMI ≥35 kg/m²) and non-severely obese (BMI <35 kg/m²) groups. After 1:1 propensity score matching for age, sex, comorbidities, surgical method, and Charlson Comorbidity Index, postoperative complications were compared using chi-square tests and multivariate logistic regression analyses.</p><p><strong>Results: </strong>A total of 7832 matched pairs were analyzed. The incidence of deep vein thrombosis (odds ratio [OR], 1.16; 95 % confidence interval [CI], 1.03-1.29; p = 0.011) and pulmonary embolism (OR, 1.79; 95 % CI, 1.03-3.10; p = 0.037) was significantly higher in the severely obese group. Simultaneous bilateral surgery was also an independent risk factor for venous thromboembolism (VTE). No significant differences were observed in surgical site infection, length of hospital stay, or transfusion volume between the two groups.</p><p><strong>Conclusions: </strong>Severe obesity and simultaneous bilateral surgery are independent risk factors for VTE following knee arthroplasty in Japanese patients. These findings highlight the need for careful perioperative management in this high-risk population.</p>","PeriodicalId":16939,"journal":{"name":"Journal of Orthopaedic Science","volume":" ","pages":""},"PeriodicalIF":1.4,"publicationDate":"2025-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145008318","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":"Sound levels in the operating theatre resulting from hammering during cementless total hip arthroplasty","authors":"Yasuhiro Homma ,&nbsp;Tetsuro Wada ,&nbsp;Masashi Unoki ,&nbsp;Taiji Watari ,&nbsp;Tomonori Baba ,&nbsp;Atul F. Kamath ,&nbsp;Muneaki Ishijima","doi":"10.1016/j.jos.2024.12.007","DOIUrl":"10.1016/j.jos.2024.12.007","url":null,"abstract":"<div><h3>Background</h3><div>Although hearing loss in orthopaedic surgeons from exposure to hammering sounds have been previously reported, there are no reports on the noise environment during total hip arthroplasty (THA) in Japan. The aim of this study was to investigate the sound level generated by cementless THA in Japan, and to discuss the broader sound environment within this space.</div></div><div><h3>Methods</h3><div>94 cementless THAs (94 patients with informed consent) performed by four surgeons were included. The equivalent continuous A-weighted sound levels (LAeq) in a series of 1086 continuous hammering maneuvers without pause and the maximum C-weighted sound levels (LCpeak) in 17,210 hammering sounds were investigated.</div></div><div><h3>Results</h3><div>Among the hammering sounds analysed in terms of LAeq, the sound pressure level associated with some procedures did result in non-scrubbed personnel being exposed to the 8-h sound levels exceeding the LAeq threshold (85 dB), while most procedures exceeded this threshold for scrubbed personnel. For scrubbed personnel, the maximum number of operations that could be safely attended per day were 16.1 and 1.6 operations under average and worst-case scenario conditions, respectively. For LCpeak, no sound was found to be above the threshold (135 dB) for either non-scrubbed or scrubbed personnel.</div></div><div><h3>Conclusions</h3><div>Although average sound levels in a standard operating theatre during cementless THA did not exceed recommended thresholds among non-scrubbed medical practitioners, our data are not sufficient to conclude that the sound environment is safe for scrubbed personnel close to the sound source. Further investigation is needed regarding sound exposure and the occurrence of hearing impairment in surgeons who perform total hip arthroplasties.</div></div>","PeriodicalId":16939,"journal":{"name":"Journal of Orthopaedic Science","volume":"30 5","pages":"Pages 886-893"},"PeriodicalIF":1.4,"publicationDate":"2025-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143007323","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":"Validation of the Japanese version of the scoliosis research society-30 questionnaire for adult patients with spinal deformity","authors":"Hideyuki Arima ,&nbsp;Yu Yamato ,&nbsp;Yosuke Shibata ,&nbsp;Hiroki Oba ,&nbsp;Jun Takahashi ,&nbsp;Kei Watanabe ,&nbsp;Ryo Sugawara ,&nbsp;Katsushi Takeshita ,&nbsp;Yasuhisa Arai ,&nbsp;Tomoyuki Asada ,&nbsp;Satoru Demura ,&nbsp;Toru Doi ,&nbsp;Akira Matsumura ,&nbsp;Satoshi Suzuki ,&nbsp;Shinji Takahashi ,&nbsp;Takumi Takeuchi ,&nbsp;Haruki Ueda ,&nbsp;Naobumi Hosogane","doi":"10.1016/j.jos.2024.11.002","DOIUrl":"10.1016/j.jos.2024.11.002","url":null,"abstract":"<div><h3>Background</h3><div><span>The Scoliosis Research Society-30 (SRS-30) is a questionnaire that was originally developed from the SRS-22r questionnaire and is used to evaluate </span>adolescent idiopathic scoliosis<span><span><span> (AIS). It comprises two sections, with Section 1 containing 22 items related to the SRS-22r questionnaire and 1 item regarding self-image and Section 2 containing 7 items specifically related to postoperative status. The SRS-30 has been also found useful in evaluating spinal disorders or deformity in adults. However, the Japanese version of the SRS-30 (Japanese SRS-30) has been validated for </span>adolescent idiopathic scoliosis, but not for </span>adult spinal deformity (ASD). This study aimed to assess the internal consistency and external validity of the Japanese SRS-30 for ASD.</span></div></div><div><h3>Methods</h3><div>Of the 30 questions on the SRS-30, 8 questions added from the SRS-22r were translated and back-translated to create the Japanese SRS-30. The Japanese SRS-30 was used to survey patients with ASD who underwent corrective fusion surgery within 1 postoperative year. The internal consistency of the responses was evaluated using Cronbach α coefficient. Additionally, we performed Spearman correlation analysis of the Oswestry Disability Index (ODI) and SRS-22r with the Japanese SRS-30.</div></div><div><h3>Results</h3><div>We included 120 patients (20 males and 100 females; mean age at surgery, 53.3 years). The mean preoperative Cobb angle, sagittal vertical axis, and pelvic incidence minus lumbar lordosis were 36.9°, 81.8 mm, and 24.0°, respectively. The Cronbach α coefficient for the overall SRS-30 was 0.941, indicating high internal consistency. Moreover, the coefficients for each domain were as follows: function/activity, 0.864; pain, 0.783; self-image/appearance, 0.858; mental health, 0.916; and satisfaction, 0.763. The total SRS-30 score was significantly correlated with the total SRS-22r score (r = 0.966, P &lt; 0.001) and ODI (r = −0.752, P &lt; 0.001). The SRS-30 domains showed strong correlations with the corresponding SRS-22r domains, with the r values ranging from 0.878 to 1.000 (all P &lt; 0.001 except mental health).</div></div><div><h3>Conclusions</h3><div>The Japanese SRS-30 demonstrated good internal and external validity. The Japanese SRS-30 can be used to assess health-related quality of life in patients with ASD.</div></div>","PeriodicalId":16939,"journal":{"name":"Journal of Orthopaedic Science","volume":"30 5","pages":"Pages 755-761"},"PeriodicalIF":1.4,"publicationDate":"2025-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142729611","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":"“The sun shines on the growing path”: The 40th Annual Research Meeting of the Japanese Orthopaedic Association","authors":"Yasuyuki Ishibashi","doi":"10.1016/j.jos.2025.03.007","DOIUrl":"10.1016/j.jos.2025.03.007","url":null,"abstract":"","PeriodicalId":16939,"journal":{"name":"Journal of Orthopaedic Science","volume":"30 5","pages":"Pages 719-720"},"PeriodicalIF":1.4,"publicationDate":"2025-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144023421","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":"Locomotive syndrome clinical practice guide 2021 (Abridged Translation Version)","authors":"Katsushi Takeshita,&nbsp;Kozo Nakamura,&nbsp;Hiromoto Ito ,&nbsp;Yasumoto Matsui,&nbsp;Noriko Yoshimura,&nbsp;Yuichi Hoshino,&nbsp;Takashi Ohe,&nbsp;Atsushi Seichi,&nbsp;Shingo Muranaga,&nbsp;Takeshi Fuji,&nbsp;Keiko Yamada,&nbsp;Shigeyuki Muraki,&nbsp;Etsuo Chosa,&nbsp;Hideaki Ishibashi","doi":"10.1016/j.jos.2025.05.004","DOIUrl":"10.1016/j.jos.2025.05.004","url":null,"abstract":"<div><h3>Background</h3><div>“Locomotive syndrome” (LS), proposed by the Japanese Orthopaedic Association in 2007, refers to a condition where a person experiences a decline in mobility due to disorders of the locomotor system. Addressing LS is mandatory to extend healthy life expectancy, especially in any super aging society. In Japan, “Locomotive Syndrome Clinical Guide 2010” was published in 2010, followed by the standardization of English terms related to locomotive syndrome. To raise international awareness, the translation of this guide into English was planned.</div></div><div><h3>Methods</h3><div>We followed the standardization of English terms related to locomotive syndrome. We used the figures and tables from the Japanese version in the English translation, and specifically selected key clinical questions for translation.</div></div><div><h3>Results</h3><div>We selected 14 clinical questions, with nine tables and 25 figures.</div></div><div><h3>Conclusion</h3><div>The abbreviated English version of “Locomotive Syndrome Clinical Guide 2010” is complete, and we hope this Clinical Guide are utilized for any people who care “Locomotive syndrome”.</div></div>","PeriodicalId":16939,"journal":{"name":"Journal of Orthopaedic Science","volume":"30 5","pages":"Pages 721-747"},"PeriodicalIF":1.4,"publicationDate":"2025-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144600845","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":"Association between the number of remaining teeth and pseudarthrosis after lumbar interbody fusion: A retrospective cohort study","authors":"Katsuro Ura ,&nbsp;Shigeto Hiratsuka ,&nbsp;Koyo Koizumi ,&nbsp;Namito Nakashita ,&nbsp;Masanari Hamasaki ,&nbsp;Yukinori Tsukuda ,&nbsp;Katsuhisa Yamada ,&nbsp;Norimasa Iwasaki","doi":"10.1016/j.jos.2024.12.003","DOIUrl":"10.1016/j.jos.2024.12.003","url":null,"abstract":"<div><h3>Background</h3><div>Pseudarthrosis<span> is a major complication after posterior lumbar interbody fusion (PLIF) and transforaminal interbody fusion (TLIF), and its risk factors need to be identified. This study aimed to investigate the relationship between the number of remaining teeth (NRT) and pseudarthrosis.</span></div></div><div><h3>Methods</h3><div><span>NRT, preoperative bone density of the proximal femur (percentages of young adult mean; % YAM), and preoperative </span>procollagen type 1 N-terminal propeptide (P1NP) (μg/L) were retrospectively investigated in 63 patients (24 male and 39 female, mean age: 71.2 years, mean follow-up: 49.1 months) who underwent single-level PLIF/TLIF (L3/4, L4/5, L5/S1). Fusion status was analyzed on computed tomography (CT) scan at 24 months after surgery.</div></div><div><h3>Results</h3><div><span>Pseudarthrosis was significantly more frequent in the NRT ≤10 group than in the NRT ≥11 group (</span><em>p</em><span> &lt; 0.05). Compared with the fusion group, the pseudarthrosis group had significantly higher population of males and lower % YAM. Logistic regression analysis was performed with the following variable combination models; Model 1: age, % YAM, NRT; Model 2: P1NP, % YAM, NRT; Model 3: sex, % YAM, NRT. NRT ≤10 was associated with pseudoarthrosis in all models (model 1: 95 % confidence interval (CI): 1.81–25.14, odds ratios (ORs): 6.74, </span><em>p</em> &lt; 0.01, model 2; 95 % CI: 1.57–30.54, ORs: 5.88, <em>p</em> = 0.01, model 3; 95 % CI: 1.95–39.02, ORs: 7.07, <em>p</em> &lt; 0.01). Sex was associated with pseudarthrosis in model 3 (95 % CI: 1.23–16.92, ORs: 4.30, <em>p</em> = 0.02).</div></div><div><h3>Conclusions</h3><div>Small NRT was found to be a risk factor of pseudarthrosis after lumbar interbody fusion.</div></div>","PeriodicalId":16939,"journal":{"name":"Journal of Orthopaedic Science","volume":"30 5","pages":"Pages 762-767"},"PeriodicalIF":1.4,"publicationDate":"2025-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144926634","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":"Radiological features of the carpometacarpal joint in hamate body fracture on anteroposterior hand X-ray image","authors":"Yusuke Kubo,&nbsp;Kazuhiko Sonoda,&nbsp;Takahiro Ushijima,&nbsp;Tatsuhiko Miura,&nbsp;Toshihiko Hara","doi":"10.1016/j.jos.2024.11.004","DOIUrl":"10.1016/j.jos.2024.11.004","url":null,"abstract":"<div><h3>Background</h3><div>Hamate body fractures are rare and can be overlooked due to the diagnostic<span> difficulty on X-ray. We focused on the carpometacarpal joint space width (CMC-JSW) and examined the features of this fracture on versatile anteroposterior hand X-ray images, initially taken for hand trauma cases.</span></div></div><div><h3>Methods</h3><div><span><span>Ten patients (nine males and one female; mean age, 34 years) diagnosed with a hamate body fracture on CT<span> in our facility between January 2013 and October 2023 were included in this study. The fracture types were dorsal type in six cases and shear type in four cases. The 4th and 5th CMC-JSWs were measured on anteroposterior hand radiography and CT sagittal sections. If the metacarpal and </span></span>hamate bones appeared to overlap due to depression, the width was expressed as a negative value (overlap sign). CMC-JSWs were compared between the types or unaffected sides using the Mann–Whitney </span><em>U</em><span> test. The correlation with X-ray and CT measurements was analyzed using the Spearman test.</span></div></div><div><h3>Results</h3><div>The average CMC-JSWs (IV: −0.52 mm, V: −1.33 mm) in hamate body fractures on X-ray were minus and these values were significantly lower than unaffected side (IV: 1.51 mm, V: 1.48 mm) (p &lt; 0.05, p &lt; 0.001). CMC-JSW (IV: −1.64 mm) and CMC-JSW (V: −2.70 mm) of dorsal type were significantly lower than shear type (IV: 1.17 mm, V: 0.72 mm) (p &lt; 0.05). CMC-JSW values on X-ray were positively correlated with those on CT (IV: ρ = 0.796, V: ρ = 0927).</div></div><div><h3>Conclusions</h3><div>Decreased CMC-JSW, correlated with CT sagittal sections, and “overlap sign” on anteroposterior hand X-ray were possible radiological characteristics of hamate body fracture. Care should be taken to avoid overlooking shear-type fractures because of subtle CMC-JSW decreases.</div></div>","PeriodicalId":16939,"journal":{"name":"Journal of Orthopaedic Science","volume":"30 5","pages":"Pages 810-815"},"PeriodicalIF":1.4,"publicationDate":"2025-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142695615","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":"Prevalence and associated factors for primary osteoarthritis of the thumb carpometacarpal joint in the general elderly population: A cohort survey randomly sampled from a basic resident registry of a small rural town in Japan","authors":"Itsuo Joko ,&nbsp;Hiroyuki Kato ,&nbsp;Masanori Hayashi ,&nbsp;Shota Ikegami ,&nbsp;Yo Kitamura ,&nbsp;Hiroko Iwakawa ,&nbsp;Kentaro Nakayama ,&nbsp;Kazutaka Uemura ,&nbsp;Shigeharu Uchiyama ,&nbsp;Jun Takahashi","doi":"10.1016/j.jos.2024.10.012","DOIUrl":"10.1016/j.jos.2024.10.012","url":null,"abstract":"<div><h3>Background</h3><div>Osteoarthritis<span> of the thumb carpometacarpal joint often presents pain and affects activity of daily life. There is no consensus regarding prevalence of primary radiographic osteoarthritis and symptomatic osteoarthritis of the thumb carpometacarpal joint, and their associated factors are not well investigated. The purpose of this study is to evaluate the prevalence and associated factors of primary radiographic and symptomatic osteoarthritis of the thumb carpometacarpal joint in a resident cohort.</span></div></div><div><h3>Methods</h3><div>A total of 1297 residents aged 50 to 89 were randomly sampled from a small rural town in Japan, and their demographic data and questionnaire regarding lifestyle and job were obtained. All participants underwent posteroanterior radiographs of the bilateral hands. Participants with thumb carpometacarpal joint radiographic osteoarthritis were diagnosed if one of their thumb carpometacarpal joints was Kellgren-Lawrence grade 2, 3, or 4. Symptomatic osteoarthritis was diagnosed by tenderness or positive motion pain at the thumb base. Associated factors for the thumb carpometacarpal joint radiographic osteoarthritis were statistically analyzed.</div></div><div><h3>Results</h3><div>A total of 646 thumbs with 323 participants (153 male and 170 female) were investigated. The mean age was 69.1 (range 50–89) years, The prevalence of thumb carpometacarpal joint radiographic osteoarthritis was 17.3 % (13.7 % males and 20.6 % females) and that of thumb carpometacarpal joint symptomatic osteoarthritis was 3.1 %. Associated factors for thumb carpometacarpal joint radiographic osteoarthritis were presence of finger joint radiographic osteoarthritis in the ipsilateral hand, increasing age, and female in order of degree of relevance. Dominant hand, body mass index<span>, smoking history, heavy manual or agriculture work, use of vibrating tools, racket or bat sports, or scaphotapeziotrapezoidal joint radiographic osteoarthritis were not associated factors for thumb carpometacarpal joint radiographic osteoarthritis.</span></div></div><div><h3>Conclusions</h3><div>The prevalence of thumb carpometacarpal joint primary radiographic osteoarthritis in general Japanese elderly aged 50–89 years was 17.3 %, most of carpometacarpal joint radiographic osteoarthritis was asymptomatic.</div></div>","PeriodicalId":16939,"journal":{"name":"Journal of Orthopaedic Science","volume":"30 5","pages":"Pages 830-836"},"PeriodicalIF":1.4,"publicationDate":"2025-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142695563","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":"Midterm comparative result of absorbable screws and metal screws in pediatric medial humeral epicondyle fracture","authors":"Ming Zeng ,&nbsp;Keyu Xie ,&nbsp;Shu Cao ,&nbsp;Jie Wen ,&nbsp;Sisi Wang ,&nbsp;Sheng Xiao","doi":"10.1016/j.jos.2024.12.004","DOIUrl":"10.1016/j.jos.2024.12.004","url":null,"abstract":"<div><h3>Backgroud</h3><div>Medial humeral epicondyle fracture<span><span> is a prevalent type of upper limb fractures in </span>pediatric patients. This study aims to compare the follow-up clinical results and complications in 30 children with medial epicondyle fractures who were treated with either metal screws or absorbable screws at our hospital.</span></div></div><div><h3>Methods</h3><div>A retrospective review was conducted on 30 children with medial humeral epicondyle fractures, who were divided into two groups: Metal group (18 children) underwent fixation using metal screws, while Absorbable group (12 children) received absorbable screws between January 2016 and June 2024. We collected the operation time and the length of incision<span> of each patient. All the patients were followed up for over 20 months. Clinical outcomes were assessed and compared using elbow range of motion (ROM), mayo elbow performance score<span> (MEPS) and range of rotation (ROR) during the last follow-up visit. Additionally, pain levels measured by a 10-point visual analog scale (VAS) and complications were duly documented.</span></span></div></div><div><h3>Results</h3><div>In terms of operative time, length of incision, and VAS scores, no significant differences were observed (<em>p</em> &gt; 0.05). The patients were followed up at an average of 33.1 months (range, 22–49 months). The mean MEPS were 89.44 ± 3.79 and 89.58 ± 3.34 (<em>p</em> = 0.89), the mean ROM were 122.28 ± 5.87 and 125.1 ± 5.83 (<em>p</em> = 0.27), and the mean ROR were 153.33 ± 5.94 and 155.83 ± 5.15 (<em>p</em> = 0.26) in groups A and B, respectively. In addition, two children in Metal group experienced symptoms of screw stimulation, while Absorbable group did not.</div></div><div><h3>Conclusion</h3><div>The use of absorbable screws in treating pediatric medial epicondyle fractures can yield equivalent therapeutic outcomes to traditional metal screws, obviating the need for subsequent surgical interventions and mitigating complications associated with screw irritation resulting from non-degradable metallic implants.</div></div>","PeriodicalId":16939,"journal":{"name":"Journal of Orthopaedic Science","volume":"30 5","pages":"Pages 824-829"},"PeriodicalIF":1.4,"publicationDate":"2025-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142927121","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}