Journal of Joint Surgery and Research最新文献

{"title":"Functional knee positioning in total knee arthroplasty: Rationale and current evidence","authors":"Hannes Vermue ,&nbsp;Luca Andriollo ,&nbsp;Elvire Servien ,&nbsp;Cécile Batailler ,&nbsp;Sébastien Lustig","doi":"10.1016/j.jjoisr.2025.06.005","DOIUrl":"10.1016/j.jjoisr.2025.06.005","url":null,"abstract":"<div><h3>Purpose</h3><div>This narrative review aimed to evaluate the principles and outcomes of functional knee positioning (FKP) in total knee arthroplasty (TKA), a modern, patient-specific, robot-assisted technique designed to restore native limb alignment while preserving soft tissue balance.</div></div><div><h3>Methods</h3><div>A systematic literature search was conducted on March 22, 2025 across PubMed, Embase, and the Cochrane Library using the terms “functional alignment”, “functional knee positioning”, and “total knee arthroplasty.” A total of 1533 articles were identified, with relevant studies selected based on their contribution to understanding FKP principles, soft tissue balance, component positioning, and clinical outcomes.</div></div><div><h3>Results</h3><div>FKP employs a six-step, image-based planning strategy to reconstruct individual three-dimensional alignment and achieve ligament balance without soft tissue releases. Compared with mechanical and kinematic alignment, FKP more reliably achieves intra-operative balance, especially in the sagittal plane, and minimizes coronal and axial malalignment. FKP has shown consistent implant positioning accuracy and significantly low rates of soft tissue release. Clinical studies report high early post-operative scores, with some studies demonstrating superior outcomes in KOOS, WOMAC, and patient satisfaction compared with conventional strategies. FKP maintains outcomes across deformity types, implant designs, and Coronal Plane Alignment of the Knee (CPAK) phenotypes.</div></div><div><h3>Conclusions</h3><div>FKP represents a reproducible, anatomy-respecting alignment technique in TKA, with excellent early to midterm functional results and high patient satisfaction. By integrating robotic planning and intra-operative soft tissue assessment, FKP enables a highly personalized and biomechanically optimized alternative to conventional alignment strategies. Standardization of techniques and long-term outcome studies are needed to fully establish its role in routine clinical practice.</div></div>","PeriodicalId":100795,"journal":{"name":"Journal of Joint Surgery and Research","volume":"4 1","pages":"Pages 26-32"},"PeriodicalIF":0.0,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145748199","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Understanding the development of and theory behind the Coronal Plane Alignment of the Knee classification: Important concepts for contemporary total knee arthroplasty","authors":"Samuel MacDessi","doi":"10.1016/j.jjoisr.2025.11.002","DOIUrl":"10.1016/j.jjoisr.2025.11.002","url":null,"abstract":"<div><div>The Coronal Plane Alignment of the Knee (CPAK) classification provides a standardized framework for characterizing constitutional knee alignment and joint line obliquity, independent of arthritic deformity. Conceptualized and validated in both healthy and osteoarthritic populations, the CPAK matrix integrates the arithmetic hip–knee–ankle angle and joint line obliquity to define nine coronal phenotypes. Since its introduction, CPAK has been instrumental in advancing personalized alignment strategies in total knee arthroplasty by informing surgical planning, imaging protocols, and global phenotype mapping. This review outlines the theoretical basis, geographic and sex-based differences, and clinical applications of CPAK, emphasizing its role in refining patient-specific alignment philosophies.</div></div>","PeriodicalId":100795,"journal":{"name":"Journal of Joint Surgery and Research","volume":"4 1","pages":"Pages 7-12"},"PeriodicalIF":0.0,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145748200","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Relationship between intra-operative rotational knee kinematics and clinical outcomes in mechanically aligned bicruciate stabilized total knee arthroplasty","authors":"Yohei Naito,&nbsp;Gai Kobayashi,&nbsp;Shine Tone,&nbsp;Masahiro Hasegawa","doi":"10.1016/j.jjoisr.2025.11.003","DOIUrl":"10.1016/j.jjoisr.2025.11.003","url":null,"abstract":"<div><h3>Purpose</h3><div>The aim of this study was to investigate the relationship between intra-operative rotational knee kinematics and clinical outcomes in mechanically aligned bicruciate stabilized (BCS) total knee arthroplasty (TKA). The impact of pre-to post-operative changes in tibial rotation on intra-operative rotational kinematics was also examined.</div></div><div><h3>Methods</h3><div>A total of 117 primary cemented mechanically aligned BCS TKAs were performed using the CORI robotic system for patients with varus osteoarthritis. Tibial internal rotation was measured intra-operatively after implantation from 0° extension to 30°, 60°, 90°, and 120° flexion. The difference in tibial rotation between the pre-operative maximal extension and post-operative 0° extension was also recorded. Correlations between tibial rotation during knee flexion and clinical outcomes, including range of motion (ROM), 2011 Knee Society Score (2011 KSS), and Forgotten Joint Score-12 (FJS-12), at 6 weeks, 3 months, and 6 months were analyzed. Correlations between pre-to post-operative tibial rotational changes and tibial rotation during flexion were also assessed.</div></div><div><h3>Results</h3><div>Significant tibial internal rotation was observed throughout flexion. Tibial internal rotation correlated positively with ROM, 2011 KSS, and FJS-12 at 6 weeks and 3 months, but not at 6 months. A significant negative correlation was found between the increase in tibial internal rotation at post-operative 0° extension relative to the pre-operative maximal extension and the amount of tibial internal rotation during flexion.</div></div><div><h3>Conclusion</h3><div>Tibial internal rotation during flexion correlated positively with early outcomes, but this was not sustained at 6 months. An increase in tibial internal rotation at 0° extension compared with the pre-operative maximal extension negatively affected rotational kinematics.</div></div>","PeriodicalId":100795,"journal":{"name":"Journal of Joint Surgery and Research","volume":"4 1","pages":"Pages 1-6"},"PeriodicalIF":0.0,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145665465","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Impact of stance width on ankle and hindfoot alignment in varus knee osteoarthritis: A radiographic analysis","authors":"Naoya Kikuchi,&nbsp;Ryosuke Tsutsumi,&nbsp;Kosuke Okuno,&nbsp;Akihiro Kanamori","doi":"10.1016/j.jjoisr.2026.01.004","DOIUrl":"10.1016/j.jjoisr.2026.01.004","url":null,"abstract":"<div><h3>Purpose</h3><div>Knee osteoarthritis (KOA) often leads to lower limb malalignment, affecting adjacent joints such as the ankle and hindfoot. Although previous studies have examined ankle and hindfoot alignment measurements for KOA, the impact of stance width on these measurements remains unclear. This study investigated the influence of stance width on ankle and hindfoot alignment and evaluated the consistency of radiographic measurements under different stance conditions.</div></div><div><h3>Methods</h3><div>Forty-six patients (92 limbs) undergoing total knee arthroplasty for varus deformity were assessed using full-length standing posteroanterior radiographs in open leg (shoulder width) and closed leg (feet in contact) positions. The intertalar distance (ITD), hip–knee–ankle angle (HKAA), tibial plafond inclination angle (TPIA), talar tilt (TT), hindfoot alignment angle (HAA), and mechanical ankle joint axis point (MAJAP) were measured and compared between the two stance conditions, and the variance in the ITD was analyzed to identify the stance providing more consistent measurements.</div></div><div><h3>Results</h3><div>All parameters significantly differed between the two stance conditions except HKAA. ITD significantly correlated with the TPIA, HAA, and TT but not with MAJAP. The variance in the ITD was significantly lower in the closed leg stance group (<em>p</em> = 0.0298), suggesting greater measurement consistency.</div></div><div><h3>Conclusions</h3><div>The stance width significantly influences ankle and hindfoot alignment measurements. The closed leg stance was associated with a lower ITD variability, making it preferable for standardized imaging. These findings highlight the importance of standardizing foot positioning during adjacent joint alignment assessment to improve the accuracy and reproducibility of measurements in varus KOA.</div></div>","PeriodicalId":100795,"journal":{"name":"Journal of Joint Surgery and Research","volume":"4 1","pages":"Pages 104-108"},"PeriodicalIF":0.0,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147420686","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Autologous protein solution injections in end-stage hip and knee osteoarthritis: comparison of rates of conversion to arthroplasty","authors":"Ayano Kuwasawa ,&nbsp;Junya Itou ,&nbsp;Kotaro Nihei ,&nbsp;Ken Okazaki","doi":"10.1016/j.jjoisr.2025.12.008","DOIUrl":"10.1016/j.jjoisr.2025.12.008","url":null,"abstract":"<div><h3>Purpose</h3><div>This study evaluated the efficacy of autologous protein solution (APS) injections in patients with end-stage osteoarthritis of the hip (HOA) or knee (KOA). Given the limited evidence for APS in HOA, the focus was on comparing the rates of conversion to arthroplasty between the two joints after APS therapy. Therefore, the primary aim of this study was to compare conversion rates to arthroplasty, while the secondary aim was to evaluate response rates based on short-term patient-reported outcomes. Additionally, given the anticipated differences in patient backgrounds between KOA and HOA groups, a supplementary analysis was conducted using propensity score matching (PSM).</div></div><div><h3>Methods</h3><div>Patients with Kellgren–Lawrence grade 4 HOA or KOA who received APS injections at a single institution between 2018 and 2023 were retrospectively reviewed. PSM was used to adjust for age, sex, body mass index, and follow-up duration. Arthroplasty-free survival was assessed using the Kaplan–Meier method. Clinical efficacy was evaluated with the OMERACT-OARSI criteria, using the Knee Injury and Osteoarthritis Outcome Score for KOA and the Japanese Orthopaedic Association Hip Disease Evaluation Questionnaire for HOA.</div></div><div><h3>Results</h3><div>Of 704 cases treated, 16 hips and 183 knees met the inclusion criteria; 15 hips and 15 knees were matched for analysis. Kaplan–Meier curve analysis revealed a significantly higher 2 year rate of conversion to arthroplasty for HOA (75.0% <em>vs.</em> 36.6%; <em>p</em> &lt; 0.0001). However, there was no significant difference in the 6 month OMERACT-OARSI response rate (HOA 54.2%, KOA 40.0%; <em>p</em> = 0.38).</div></div><div><h3>Conclusion</h3><div>APS provided short-term symptom relief in both HOA and KOA but failed to delay arthroplasty in most HOA cases. Anatomical and biomechanical factors may influence long-term efficacy.</div></div>","PeriodicalId":100795,"journal":{"name":"Journal of Joint Surgery and Research","volume":"4 1","pages":"Pages 87-91"},"PeriodicalIF":0.0,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146037100","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Functional knee phenotyping: A paradigm for patient-specific alignment in total knee arthroplasty","authors":"Yuma Onoi ,&nbsp;Randa Elsheikh ,&nbsp;Rolf Hügli ,&nbsp;Heiko Graichen ,&nbsp;Rüdiger von Eisenhart-Rothe ,&nbsp;Andrej M. Nowakowski ,&nbsp;Michael T. Hirschmann","doi":"10.1016/j.jjoisr.2025.10.003","DOIUrl":"10.1016/j.jjoisr.2025.10.003","url":null,"abstract":"<div><h3>Purpose</h3><div>Total knee arthroplasty has historically relied on mechanical alignment (MA); however, a systematic neutral target cannot accommodate the biological diversity of the knee. Based on functional knee phenotype analysis, large imaging series have demonstrated broad coronal variability even in young, non-osteoarthritic knees, with constructs corresponding to classic neutral alignment in only 4–6% of limbs. These data indicate that MA as a universal goal is insufficient and the data support a paradigm shift toward patient-specific alignment (PSA).</div></div><div><h3>Methods</h3><div>The study institution practices a tibia-first, gap-balanced, phenotype-based PSA within defined safe zones to respect joint line obliquity and soft tissue balance while avoiding outlier alignment. Targets are defined with reproducible metrics, namely hip–knee–ankle angle, femoral mechanical angle, tibial mechanical angle, and joint line convergence angle (JLCA).</div></div><div><h3>Results</h3><div>Current evidence shows high target attainment and reliable intra-operative balance, with balanced gaps in &gt;90% of PSA and JLCA improving from 1.8 to 4.3° pre-operatively to 0.6–1.2° post-operatively (<em>p</em> ​&lt; ​0.001). Moreover, results from related strategies (inverse kinematic alignment and functional alignment) consistently report outcomes at least equivalent, and in selected domains superior, to MA while requiring fewer soft tissue releases.</div></div><div><h3>Conclusions</h3><div>The next step for PSA is scalability: multicenter datasets, registry linkage, and long-term follow-up are needed to determine durability, to refine phenotype-specific safe zones, and to validate this strategy across implants and patient populations.</div></div>","PeriodicalId":100795,"journal":{"name":"Journal of Joint Surgery and Research","volume":"4 1","pages":"Pages 19-25"},"PeriodicalIF":0.0,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145748201","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Evaluation of the reliability and relationship with physical examination of a novel ultrasound index, the “concave sign,” for symptomatic hip labral tears","authors":"Hiroki Yamamoto ,&nbsp;Michihisa Aoyama ,&nbsp;Miwa Kojima ,&nbsp;Takao Sugiyama ,&nbsp;Shoichi Nishikino","doi":"10.1016/j.jjoisr.2025.12.001","DOIUrl":"10.1016/j.jjoisr.2025.12.001","url":null,"abstract":"<div><h3>Purpose</h3><div>This study aimed to evaluate the reliability of a novel ultrasound index, the “concave sign,” obtained by ultrasound observation, and to evaluate its association with physical examination.</div></div><div><h3>Methods</h3><div>Forty patients diagnosed with symptomatic hip labral tears who were undergoing conservative treatment were enrolled. Ultrasonography was used to observe the concave deformity (concave sign) of the joint capsule on the labral surface during gluteus minimus contraction. The reliability of the presence of the concave sign was examined using the κ coefficient, and the association between the concave sign and the anterior impingement test (AIT) as well as the flexion–abduction–external rotation (FABER) test was analyzed using Fisher's exact test.</div></div><div><h3>Results</h3><div>The intra-rater reliability for detecting the concave sign was κ = 0.81, and the inter-rater reliability was κ = 0.90. Among those with a positive concave sign, 95.7% were positive for the AIT and 87.0% were positive for the FABER test; a significant association was observed for both tests (<em>p &lt;</em> 0.01 and <em>p &lt;</em> 0.05, respectively).</div></div><div><h3>Conclusion</h3><div>This investigation indicated that the concave sign is a reliable ultrasound index for detecting adhesion-like pathology of the hip labrum and joint capsule and demonstrated its clinical utility as an adjunct to physical examination.</div></div>","PeriodicalId":100795,"journal":{"name":"Journal of Joint Surgery and Research","volume":"4 1","pages":"Pages 39-43"},"PeriodicalIF":0.0,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145840558","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Multi-region anterior knee pain is associated with poorer subjective athletic performance following anterior cruciate ligament reconstruction: an exploratory cross-sectional study","authors":"Shunsuke Ohji ,&nbsp;Jun-ya Aizawa ,&nbsp;Kenji Hirohata ,&nbsp;Takehiro Ohmi ,&nbsp;Tomoko Kawasaki ,&nbsp;Sho Mitomo ,&nbsp;Hideyuki Koga ,&nbsp;Kazuyoshi Yagishita","doi":"10.1016/j.jjoisr.2025.12.003","DOIUrl":"10.1016/j.jjoisr.2025.12.003","url":null,"abstract":"<div><h3>Purpose</h3><div>Anterior knee pain (AKP) is a common complication after anterior cruciate ligament (ACL) reconstruction and may affect post-operative functional outcomes. However, the relationship between the AKP region and patient-reported outcome measures (PROMs) remains unclear. The aim of this study was to examine whether multi-region AKP is associated with poorer PROMs than single region or no AKP following ACL reconstruction.</div></div><div><h3>Methods</h3><div>This exploratory cross-sectional study included 35 athletes who returned to sport following primary unilateral ACL reconstruction [median age 20.0 years (interquartile range 5.0 years); mean ± standard deviation time since surgery 11.8 ± 2.3 months]. Knee pain locations were identified using a photographic knee pain map and were classified into five categories: no AKP, medial, central, lateral, and multi-region. Post-operative subjective athletic performance (PoSAP) intensity and the Anterior Cruciate Ligament–Return to Sport after Injury (ACL-RSI) scale were used as PROMs. Differences in patient-reported outcomes across the five pain location groups were analyzed using the Kruskal–Wallis test and Dunn's <em>post hoc</em> test.</div></div><div><h3>Result</h3><div>Dunn's test showed that the multi-region pain group had significantly lower PoSAP scores than the no AKP group (adjusted <em>p</em> = 0.029; <em>r</em> = 0.589). However, the Kruskal–Wallis test revealed no significant differences in ACL-RSI scores among the groups with different AKP locations.</div></div><div><h3>Conclusions</h3><div>Individuals with AKP affecting multiple regions perceive poorer post-operative athletic performance after ACL reconstruction than those without AKP. These findings underscore the importance of assessing whether AKP has affected multiple regions, in addition to pain intensity, when evaluating post-operative recovery.</div></div>","PeriodicalId":100795,"journal":{"name":"Journal of Joint Surgery and Research","volume":"4 1","pages":"Pages 54-59"},"PeriodicalIF":0.0,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145926402","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Association of femoroacetabular impingement with the 5 year incidence of hip osteoarthritis: A Japanese community-based cohort study","authors":"Hikaru Kamada ,&nbsp;Kazuki Oishi ,&nbsp;Seiya Ota ,&nbsp;Eiji Sasaki ,&nbsp;Tatsuro Saruga ,&nbsp;Ryo Tomita ,&nbsp;Shintaro Yokoyama ,&nbsp;Yasuyuki Ishibashi","doi":"10.1016/j.jjoisr.2025.12.007","DOIUrl":"10.1016/j.jjoisr.2025.12.007","url":null,"abstract":"<div><h3>Purpose</h3><div>Hip osteoarthritis (OA) is a major cause of disability in older adults. While femoroacetabular impingement (FAI) is considered a structural risk factor for OA development, longitudinal evidence from Asian general populations remains limited. This community-based Japanese cohort study evaluated the association between radiographic and physical examination findings related to FAI with the incidence of hip OA.</div></div><div><h3>Methods</h3><div>This 5 year community-based cohort study included 483 Iwaki Health Promotion Project participants without radiographic hip OA [Kellgren–Lawrence (KL) 0–1] at baseline. Standing anteroposterior (AP) hip radiographs and physical examinations were obtained in 2014 and 2019. Incident hip OA was defined as KL ≥ 2 at follow-up. Radiographic assessment included evaluation of pistol grip deformity (PGD) and AP radiographic parameters, and Cam-type FAI was defined as the presence of PGD with a center edge angle ≥25°. Physical examination findings, including the anterior impingement sign (AIS) and Patrick's test, were also assessed. Logistic regression analyses adjusted for age, sex, and body mass index were performed to identify factors associated with incident hip OA.</div></div><div><h3>Results</h3><div>Among 483 eligible participants, 64 (13.3%) developed incident hip OA over the 5 year follow-up. Cam-type FAI findings were associated with incident hip OA [relative ratio (RR) 4.03, 95% confidence interval (CI) 1.52–10.65]. AIS was also associated with incident hip OA (RR 2.34, 95% CI 1.01–5.42).</div></div><div><h3>Conclusion</h3><div>Radiographic findings suggestive of Cam-type FAI were associated with the incidence of hip OA. While AIS also showed an association, this non-specific finding should be interpreted cautiously. Simple AP radiographic features may help identify individuals at increased risk of developing hip OA.</div></div>","PeriodicalId":100795,"journal":{"name":"Journal of Joint Surgery and Research","volume":"4 1","pages":"Pages 92-96"},"PeriodicalIF":0.0,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146188300","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Redefining the standards of total hip and knee arthroplasty","authors":"Shuichi Matsuda ,&nbsp;Nobuhiko Kaku","doi":"10.1016/j.jjoisr.2026.01.003","DOIUrl":"10.1016/j.jjoisr.2026.01.003","url":null,"abstract":"","PeriodicalId":100795,"journal":{"name":"Journal of Joint Surgery and Research","volume":"4 1","pages":"Pages 115-116"},"PeriodicalIF":0.0,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147421082","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}