Journal of Joint Surgery and Research最新文献

{"title":"Plain radiograph evaluation of concurrent filling of tibial peg holes with bone in cementless total knee arthroplasty","authors":"Kazue Hayakawa,&nbsp;Hideki Date,&nbsp;Sho Nojiri,&nbsp;Yosuke Kaneko,&nbsp;Kohei Shibata,&nbsp;Nobuyuki Fujita","doi":"10.1016/j.jjoisr.2024.09.001","DOIUrl":"10.1016/j.jjoisr.2024.09.001","url":null,"abstract":"<div><h3>Purpose</h3><p>This study aimed to evaluate the effectiveness of a novel technique for securing the tibial component in cementless total knee arthroplasty (TKA) by utilizing resected cancellous bone to fill the peg holes. It was hypothesized that this method would reduce the incidence of radiolucent lines (RLLs) on plain radiographs. To test this hypothesis, a retrospective comparison of plain radiographs from patients who underwent the bone-filling technique (bone filling group) versus those who did not receive this treatment (conventional group) was conducted.</p></div><div><h3>Methods</h3><p>Participants were 151 patients (213 joints) who underwent TKA with the NexGen trabecular metal (TM) modular tibia (Zimmer Biomet) from 2011 to 2016 [bone filling group, 54 patients (69 joints); conventional group, 100 patients (144 joints); 3 patients had 1 joint in each group]. Clinical evaluations, plain radiographs, and operative time were compared between groups.</p></div><div><h3>Results</h3><p>The mean follow-up period was 5 years and 5 months. Knee Society Scores and Knee Society Functional Scores did not differ significantly between groups; however, the bone filling group had a significantly lower incidence of RLLs (<em>p</em> ​&lt; ​0.05) and significantly more longitudinal trabecular thickening below the pegs (<em>p</em> ​&lt; ​0.05). Multiple logistic regression analysis with the presence/absence of RLLs as the dependent variable revealed a significant effect of bone filling (odds ratio ​= ​2.820, 95% confidence interval 1.033–7.700; <em>p</em> ​&lt; ​0.05).</p></div><div><h3>Conclusion</h3><p>Concurrent peg hole bone filling significantly reduces the incidence of RLLs and significantly increases longitudinal trabecular thickening below the pegs during TKA with the NexGen TM modular tibial component.</p></div>","PeriodicalId":100795,"journal":{"name":"Journal of Joint Surgery and Research","volume":"2 4","pages":"Pages 151-156"},"PeriodicalIF":0.0,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2949705124000240/pdfft?md5=16cac605b90a9f1a297352fca61334b7&pid=1-s2.0-S2949705124000240-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142232759","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Pain characteristics in patients with hip osteoarthritis","authors":"Toru Nishiwaki,&nbsp;Hisatoshi Ishikura,&nbsp;Tatsuya Yamamoto","doi":"10.1016/j.jjoisr.2024.09.003","DOIUrl":"10.1016/j.jjoisr.2024.09.003","url":null,"abstract":"<div><h3>Purpose</h3><div>Exacerbations of osteoarthritis (OA) pain significantly impair activities of daily living and walking, thereby reducing quality of life. Despite various treatments, persistent pain remains a challenge, particularly in patients with hip OA, where pain perception mechanisms extend beyond nociceptive pain. This study examined the pain characteristics in patients with hip OA, with an emphasis on neuropathic pain and central sensitization (CS).</div></div><div><h3>Methods</h3><div>A total of 421 patients scheduled for unilateral total hip arthroplasty were analyzed using the painDETECT score and Central Sensitization Inventory to classify the pain types as nociceptive (Noc), CS, neuropathic (Neu), or neuropathic with CS (NeuCS).</div></div><div><h3>Results</h3><div>The results indicated that 72.9% of patients experienced Noc pain, while 5.0% experienced combined NeuCS pain. The Neu and NeuCS groups exhibited significantly lower modified Harris Hip Score and EuroQol-5 Dimensions Questionnaire (EQ-5D) scores than the Noc group, indicating worse clinical outcomes and quality of life. Neu pain was more intense at rest, and when combined with CS it significantly diminished the quality of life.</div></div><div><h3>Conclusion</h3><div>These findings highlight the need for mechanism-based pain treatment strategies, such as Neu pain and CS components, which independently and cumulatively affect clinical scores and quality of life. This study highlights the importance of early recognition and targeted treatment of these pain mechanisms in patients with hip OA. Future research should focus on evaluating therapeutic interventions for Neu pain and CS to optimize patient outcomes.</div></div>","PeriodicalId":100795,"journal":{"name":"Journal of Joint Surgery and Research","volume":"2 4","pages":"Pages 168-172"},"PeriodicalIF":0.0,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142423620","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Meniscus tears in the setting of anterior cruciate ligament injury","authors":"Koji Nukuto ,&nbsp;Efstathios Konstantinou ,&nbsp;Anja Maximiliane Wackerle ,&nbsp;Jaren C. Lagreca ,&nbsp;Camila Grandberg ,&nbsp;Yunseo Linda Park ,&nbsp;Brooke Collins ,&nbsp;Volker Musahl","doi":"10.1016/j.jjoisr.2024.10.003","DOIUrl":"10.1016/j.jjoisr.2024.10.003","url":null,"abstract":"<div><h3>Purpose</h3><div>Meniscus tears in the setting of anterior cruciate ligament (ACL) injury can affect post-operative outcomes and stability when not treated correctly. To reduce post-operative osteoarthritis and to improve outcomes, accurate diagnosis and treatment options must be selected. The purpose of this review was to review recent evidence regarding biomechanics and diagnosis of meniscus injury as well as treatment options for meniscus tears, which are often complicated by ACL injuries.</div></div><div><h3>Methods</h3><div>Studies and topics on concomitant meniscus tears in the presence of ACL injury were searched.</div></div><div><h3>Results</h3><div>Various risk factors have been identified for meniscus tears associated with ACL injuries. As some meniscus tears are difficult to identify on magnetic resonance imaging (MRI), arthroscopic diagnosis of meniscal pathology plays a crucial role. Indications for meniscectomy should be limited due to subsequent exacerbation of post-operative instability and contribution to osteoarthritic changes. Although meniscal repair is the standard treatment for bucket handle tears, ramp lesions, lateral meniscus posterior root tears, and lateral meniscus oblique radial tears, non-operative treatment may be also effective to a certain extent for stable meniscal tears. However, the indication for non-operative treatment should be carefully considered owing to potential enlargement of the torn area.</div></div><div><h3>Conclusions</h3><div>Inadequate treatment of concomitant meniscus tears can result in residual instability and poor outcomes despite successful ACL reconstruction. High-quality evidence on the long-term outcomes of meniscus tears complicating ACL injuries is scarce and hence future studies are required.</div></div>","PeriodicalId":100795,"journal":{"name":"Journal of Joint Surgery and Research","volume":"2 4","pages":"Pages 180-188"},"PeriodicalIF":0.0,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142661122","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"What are the most difficult steps in total hip arthroplasty for early-career surgeons and how can future technology help most? A survey of the American Association of Hip and Knee Surgeons Young Arthroplasty Group","authors":"Ken Tashiro ,&nbsp;Yasuhiro Homma ,&nbsp;Jesse Wolfstadt ,&nbsp;Christopher M. Melnic ,&nbsp;Muneaki Ishijima ,&nbsp;Atul F. Kamath","doi":"10.1016/j.jjoisr.2024.09.002","DOIUrl":"10.1016/j.jjoisr.2024.09.002","url":null,"abstract":"<div><h3>Purpose</h3><p>While technology in total hip arthroplasty (THA) is generally developed by experienced surgeons, particular difficulties in surgical steps and technical demands experienced by early-career surgeons remain important. This study investigated the challenges early-career surgeons currently face in THA in order to obtain insights into how they perceive future innovative technologies might reduce the difficulties and complications associated with THA.</p></div><div><h3>Methods</h3><p>Members of the American Association of Hip and Knee Surgeons Young Arthroplasty Group were surveyed. The perceived degree of difficulty with key THA surgical steps and the utility of adjunctive technology were recorded (scale 1–10, from no difficulty/not important to very difficult/very important).</p></div><div><h3>Results</h3><p>The membership response rate was 16.1%. The most common THA approach was the direct anterior approach (DAA) (67.4%). Four of the top five most difficult surgical steps were associated with cup preparation/placement. Fluoroscopy was the most used technology (56.7%), followed by no technology use (21.2%) and robot arm assistance (12.1%). With respect to the importance of technology, accurate cup placement ranked first. Dislocation and stem subsidence were the top two complications for which technological advances were thought to be most beneficial. Subgroup analysis based on surgical approach suggested that DAA users had significantly more difficulty with direction of stem rasping than non-DAA users (<em>p</em> ​&lt; ​0.0001).</p></div><div><h3>Conclusion</h3><p>This is the first survey to reveal data about perceived difficulties in THA surgical steps from the perspective of early-career arthroplasty surgeons and the role of technology in mitigating these complications. Future technological developments may take these needs of early-career surgeons into account.</p></div>","PeriodicalId":100795,"journal":{"name":"Journal of Joint Surgery and Research","volume":"2 4","pages":"Pages 157-162"},"PeriodicalIF":0.0,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2949705124000239/pdfft?md5=ec3389e929d99dfbe76509b80d584033&pid=1-s2.0-S2949705124000239-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142241530","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Comparison of physical function recovery in patients with rheumatoid arthritis and those with osteoarthritis after total knee arthroplasty","authors":"Eriko Mashimoto ,&nbsp;Manabu Nankaku ,&nbsp;Gakuto Kitamura ,&nbsp;Kohei Nishitani ,&nbsp;Shinichiro Nakamura ,&nbsp;Shinichi Kuriyama ,&nbsp;Ryosuke Ikeguchi ,&nbsp;Shuichi Matsuda","doi":"10.1016/j.jjoisr.2024.08.001","DOIUrl":"10.1016/j.jjoisr.2024.08.001","url":null,"abstract":"<div><h3>Purpose</h3><p>Patients with rheumatoid arthritis (RA) who have undergone primary total knee arthroplasty (TKA) have a different recovery process of walking ability compared with patients with osteoarthritis (OA). However, how this relates to pain and other physical functions is unknown. This study aimed to evaluate and compare physical function after TKA in patients with RA and knee OA.</p></div><div><h3>Methods</h3><p>This study enrolled 146 patients (24 with RA and 122 with OA) who underwent primary TKA. Data on the following were collected pre- and post-TKA (3 weeks and 1 year): 10 Meter Walk Test (10MWT), Timed Up and Go (TUG) test, knee pain, physical activity, isometric knee extensor and flexor strength, passive knee extension and flexion angle, and one-leg standing time. Two-way repeated measures analysis of variance (ANOVA) with Bonferroni <em>post hoc</em> comparisons was performed to examine the influence of the different diseases on post-operative changes in physical function over time.</p></div><div><h3>Results</h3><p>The RA group had a significantly more severe pre-operative pain score than the OA group (<em>p</em> ​&lt; ​0.05). A two-way repeated measures ANOVA showed a significant group ​× ​time interaction in the TUG test and 10MWT time. The RA group had a slower pre-operative time in these tests than the OA group (<em>p</em> ​&lt; ​0.01). However, the TUG test and 10MWT time at 3 weeks and 1 year post-TKA were not significantly different between the two groups.</p></div><div><h3>Conclusion</h3><p>In patients with RA, walking ability significantly improved at 3 weeks following TKA, and showed recovery from 3 weeks up to 1 year similar to patients with OA.</p></div>","PeriodicalId":100795,"journal":{"name":"Journal of Joint Surgery and Research","volume":"2 4","pages":"Pages 163-167"},"PeriodicalIF":0.0,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2949705124000227/pdfft?md5=9060ad885107605c6f477c92faae18a9&pid=1-s2.0-S2949705124000227-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142242107","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Changes in the cortical bone reaction around the stem after uncemented total hip replacement using short tapered wedge stem","authors":"Hao Dinh Anh Hoang ,&nbsp;Hironobu Hoshino ,&nbsp;Mitsuru Hanada ,&nbsp;Yukihiro Matsuyama","doi":"10.1016/j.jjoisr.2024.10.001","DOIUrl":"10.1016/j.jjoisr.2024.10.001","url":null,"abstract":"<div><h3>Purpose</h3><div>This study examined the relationship between stem alignment and the cortical bone area around the distal end of the femoral component using three-dimensional computed tomography (3D-CT) images after uncemented total hip arthroplasty (THA).</div></div><div><h3>Methods</h3><div>A total of 59 patients who underwent primary THA using an uncemented short tapered wedge stem from 2019 to 2021 were followed for at least 24 months. Patients were divided into groups based on stem position. Changes in stem position and cross-sectional area of femoral cortical bone at the distal end of the stem were examined using 3D-CT at 12 months and 24 months post-operatively and were compared with pre-operative values.</div></div><div><h3>Results</h3><div>The 12-month post-operative cortical bone area around the stem showed significant differences compared with the pre-operative area in the anterior, posterior, and lateral zone 1. Differences at these same points were noted when comparing the 24-month post-operative area with the pre-operative area. No significant difference was found in the change in the cortical bone area over time among the neutral, flexed, and extended stem groups. In the varus stem group, a significant increase in cortical bone area over time was observed in lateral zone 2. In the valgus stem group, a significant increase in the cortical bone area over time was observed in medial zone 1.</div></div><div><h3>Conclusions</h3><div>Stem alignment may affect periprosthetic cortical bone changes after THA using an uncemented short tapered wedge stem. Cortical bone reaction was revealed laterally to the stem tip in the varus-aligned stem, and medially to the stem tip in the valgus-aligned stem.</div></div>","PeriodicalId":100795,"journal":{"name":"Journal of Joint Surgery and Research","volume":"2 4","pages":"Pages 173-179"},"PeriodicalIF":0.0,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142593812","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Clinical outcomes of total knee arthroplasty for valgus knees caused by hip diseases: Coxitis knees and long leg arthropathies","authors":"Kensuke Wada,&nbsp;Yuichi Kuroda,&nbsp;Naoki Nakano,&nbsp;Masanori Tsubosaka,&nbsp;Tomoyuki Kamenaga,&nbsp;Shinya Hayashi,&nbsp;Ryosuke Kuroda,&nbsp;Tomoyuki Matsumoto","doi":"10.1016/j.jjoisr.2024.06.007","DOIUrl":"10.1016/j.jjoisr.2024.06.007","url":null,"abstract":"<div><h3>Purpose</h3><p>Coxitis knees and long leg arthropathies are similar pathological conditions; however, their clinical outcomes after total knee arthroplasty (TKA) have rarely been reported. The present study aimed to investigate clinical outcomes after TKA for these knee conditions, namely valgus knees caused by hip disease.</p></div><div><h3>Methods</h3><p>This retrospective cohort study included 19 TKAs performed on valgus knees caused by hip osteoarthritis (OA). Two years post-operatively, clinical outcomes, including range of motion and 2011 Knee Society Score (2011KSS), were assessed and were compared with pre-operative values. Pre-operative knee phenotypes, including lateral distal femoral angle and medial proximal tibial angle, were assessed, and their associations with clinical outcomes were investigated.</p></div><div><h3>Results</h3><p>All subscales of the 2011KSS improved significantly post-operatively (<em>P</em> ​&lt; ​0.05). There was also a significant improvement in extension post-operatively (<em>P</em> ​&lt; ​0.05). The mean femorotibial angle improved post-operatively from 157.7° to 175.2°(<em>P</em> ​&lt; ​0.05). There were five coxitis knee patients who had knee OA on the ipsilateral side of the hip, and five long leg arthropathy patients who had knee OA on the contralateral side of the hip.</p></div><div><h3>Conclusions</h3><p>Satisfactory clinical outcomes were observed after TKA for valgus knees caused by hip OA, such as coxitis knees and long leg arthropathies.</p></div>","PeriodicalId":100795,"journal":{"name":"Journal of Joint Surgery and Research","volume":"2 3","pages":"Pages 141-145"},"PeriodicalIF":0.0,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2949705124000197/pdfft?md5=dea64b053b2831ca78e6a462fd709410&pid=1-s2.0-S2949705124000197-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141731747","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Relationship between intra-operative joint gap and knee flexion angle after posterior-stabilized total knee arthroplasty","authors":"Sachiyuki Tsukada,&nbsp;Hiroyuki Ogawa,&nbsp;Masayoshi Saito,&nbsp;Takuya Kusakabe,&nbsp;Masahiro Nishino,&nbsp;Naoyuki Hirasawa","doi":"10.1016/j.jjoisr.2024.06.003","DOIUrl":"https://doi.org/10.1016/j.jjoisr.2024.06.003","url":null,"abstract":"<div><h3>Purpose</h3><p>Conflicting evidence exists about the appropriate intra-operative soft tissue balance in posterior-stabilized (PS) total knee arthroplasty (TKA). The purpose of this prospective observational study was to investigate the impact of intra-operative soft tissue balance on post-operative knee flexion angle.</p></div><div><h3>Methods</h3><p>A single surgeon performed 164 TKAs using a single brand of PS prosthesis via the subvastus approach without using a pneumatic tourniquet. Intra-operative soft tissue balance was quantified as the gaps between the femoral component and tibial osteotomy surface with the knee flexed at 0°, 30°, 90°, and 120° with the patellofemoral joint reduced. Multiple regression analyses were employed to identify independent predictors of knee flexion angle 1 year after TKA.</p></div><div><h3>Result</h3><p>The pre-operative knee flexion angle and the gap difference between 120° and 0° flexion were positively correlated with knee flexion angle 1 year after TKA [β ​= ​0.37, 95% confidence interval (CI) 0.26–0.48, <em>P</em> ​&lt; ​0.001; and β ​= ​1.09, 95% CI 0.04–2.14, <em>P</em> ​= ​0.042, respectively]. There was no correlation with knee flexion angle 1 year after TKA for the gap difference between 30° flexion and 0° flexion and between 90° flexion and 0° flexion.</p></div><div><h3>Conclusions</h3><p>Intra-operative soft tissue balance at 120° flexion may affect the post-operative knee flexion angle in PS-TKA.</p></div>","PeriodicalId":100795,"journal":{"name":"Journal of Joint Surgery and Research","volume":"2 3","pages":"Pages 106-110"},"PeriodicalIF":0.0,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S294970512400015X/pdfft?md5=5afcdc345e59204c6de612f700599430&pid=1-s2.0-S294970512400015X-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141444354","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Clinical course and risk factors for post-operative onset lateral hinge fracture following medial opening-wedge distal tibial tuberosity osteotomy","authors":"Hiroyasu Ogawa ,&nbsp;Yutaka Nakamura ,&nbsp;Masaya Sengoku ,&nbsp;Tetsuya Shimokawa ,&nbsp;Kazuichiro Ohnishi ,&nbsp;Haruhiko Akiyama","doi":"10.1016/j.jjoisr.2024.06.006","DOIUrl":"https://doi.org/10.1016/j.jjoisr.2024.06.006","url":null,"abstract":"<div><h3>Purpose</h3><p>This study aimed to investigate the clinical outcomes of and risk factors for post-operative onset lateral hinge fracture (LHF) following medial opening-wedge distal tibial tuberosity osteotomy (DTO).</p></div><div><h3>Methods</h3><p>A total of 68 patients who underwent DTO were stratified into non-LHF and post-operative onset LHF groups. The groups were compared in terms of radiographic parameters, including the hip–knee–ankle (HKA) angle, and were clinically evaluated using the Knee Society Score (KSS) and 2011KSS. Multiple logistic regression analysis was performed to identify risk factors for post-operative onset LHF.</p></div><div><h3>Results</h3><p>The non-LHF and post-operative onset LHF groups included 53 and 15 patients, respectively. The post-operative HKA angle was significantly smaller (valgus) in the post-operative onset LHF group than in the non-LHF group (<em>P</em> ​= ​0.005). Knee and function scores were significantly lower in the post-operative onset LHF group than the non-LHF group at 6 months (<em>P</em> ​= ​0.002 for each comparison). All 2011KSS subscores were significantly lower in the post-operative onset LHF group than the non-LHF group at 6 months (<em>P</em> ​= ​0.001, 0.010, 0.013, and 0.013, respectively). Post-operative HKA angle was a risk factor for post-operative onset LHF (odds ratio ​= ​0.589, 95% confidence interval 0.392–0.886; <em>P</em> ​= ​0.011).</p></div><div><h3>Conclusions</h3><p>Post-operative weight bearing may be delayed to prevent post-operative onset LHF, especially in patients with post-operative large valgus knee alignment.</p></div>","PeriodicalId":100795,"journal":{"name":"Journal of Joint Surgery and Research","volume":"2 3","pages":"Pages 117-122"},"PeriodicalIF":0.0,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2949705124000185/pdfft?md5=d82304c216faad030de78a274f01bd86&pid=1-s2.0-S2949705124000185-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141540016","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Relationship between hip contact force during gait and patient-reported outcome measures 6 months after total hip arthroplasty","authors":"Yasushi Kurihara ,&nbsp;Hironori Ohsugi ,&nbsp;Tomonari Tosaka ,&nbsp;Tadamitsu Matsuda ,&nbsp;Yoshikazu Tsuneizumi ,&nbsp;Tadashi Tsukeoka","doi":"10.1016/j.jjoisr.2024.06.005","DOIUrl":"https://doi.org/10.1016/j.jjoisr.2024.06.005","url":null,"abstract":"<div><h3>Purpose</h3><p>Evaluating the hip contact force (HCF) during gait is important for assessing treatment outcomes after total hip arthroplasty (THA). This study investigated the relationship between patient-reported outcome measures (PROMs) and HCF during gait after THA as well as gait biomechanical factors affecting HCF during gait in relation to PROMs.</p></div><div><h3>Methods</h3><p>In total, 29 female patients who underwent THA with a 6-month follow-up were included in this study. Musculoskeletal model analysis was performed to obtain the first and second peak values of the HCF during gait and the minimum value between both peaks. PROMs were evaluated using the Japanese Orthopaedic Association Hip Disease Evaluation Questionnaire (JHEQ). The relationship between JHEQ and selected HCFs and between the HCF and gait biomechanical factors was examined.</p></div><div><h3>Results</h3><p>The second peak value of HCF was positively related to the total JHEQ, movement, and mental health scores (<em>r</em> ​= ​−0.551, 0.410, and 0.495, respectively). A positive relationship was found between the second peak value of the HCF and hip flexion–extension range of motion (<em>r</em> ​= ​0.518), maximum hip abduction moment (<em>r</em> ​= ​0.432), and maximum knee extension moment (<em>r</em> ​= ​0.417). A negative relationship was found between the second peak value of the HCF and the maximum knee abduction moment (<em>r</em> ​= ​−0.458).</p></div><div><h3>Conclusions</h3><p>The second peak value of HCF during gait after THA was related to PROMs. The second peak value was related to the hip flexion–extension range of motion, maximum hip abduction moment, and maximum knee extension and abduction moment.</p></div>","PeriodicalId":100795,"journal":{"name":"Journal of Joint Surgery and Research","volume":"2 3","pages":"Pages 129-135"},"PeriodicalIF":0.0,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2949705124000173/pdfft?md5=e5b3efb018f0b6568f444045e5775b0e&pid=1-s2.0-S2949705124000173-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141596529","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}