Knee最新文献

{"title":"The impact of high-heel shoes on knee joint space width in healthy young females: A real-time ultrasound study","authors":"Congcong Cai ,&nbsp;Nurul Adliah Gazali ,&nbsp;Daniel Sheng Rong Ker ,&nbsp;Muhammad Amirul Hazim Bin Mohamad Helmy ,&nbsp;Sin Jie Tan ,&nbsp;Bao Xuan Teo","doi":"10.1016/j.knee.2025.02.002","DOIUrl":"10.1016/j.knee.2025.02.002","url":null,"abstract":"<div><h3>Background</h3><div>Wearing high heel shoes is thought to increase the risk of knee osteoarthritis in females by altering knee joint alignment and increasing muscle activation. However, direct measurements of knee joint space width using ultrasound have been limited. This study aimed to investigate the effects of 8-cm high-heel shoes on knee joint articular space in healthy young females during standing.</div></div><div><h3>Methods</h3><div>A cross-sectional study was conducted with 30 healthy females (age 22 ± 1.3 years). Participants’ knee medial, lateral and patellofemoral joint space width were measured using an ultrasound imaging device in both barefoot and high-heel shoes conditions. A general linear model was used to compare the impact of high-heel shoes on knee joint articular space with adjusted covariates of demographic and lower limb physical measurement data.</div></div><div><h3>Results</h3><div>Significant reductions in lateral joint space width were observed in both the dominant and non-dominant knees when wearing high-heel shoes compared with barefoot (mean difference: dominant side = 1.63 ± 3.91 mm, non-dominant side = 2.34 ± 2.65 mm, <em>P</em> = 0.008). No significant changes were detected in medial and patellofemoral joint space width.</div></div><div><h3>Conclusion</h3><div>Wearing 8-cm high-heel shoes significantly reduces the lateral joint space width of the knee in healthy young females during standing, suggesting increased lateral knee joint stress. The current study underscores the importance of including standing as a test component when measuring joint space changes in future studies and clinical practice to comprehensively evaluate the effects of high-heel usage on knee joint biomechanics.</div></div>","PeriodicalId":56110,"journal":{"name":"Knee","volume":"54 ","pages":"Pages 19-27"},"PeriodicalIF":1.6,"publicationDate":"2025-02-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143520898","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":"Artificial intelligence and machine learning in knee arthroplasty","authors":"Hugo C. Rodriguez ,&nbsp;Brandon D. Rust ,&nbsp;Martin W Roche ,&nbsp;Ashim Gupta","doi":"10.1016/j.knee.2025.02.014","DOIUrl":"10.1016/j.knee.2025.02.014","url":null,"abstract":"<div><h3>Background</h3><div>Artificial intelligence (AI) and its subset, machine learning (ML), have significantly impacted clinical medicine, particularly in knee arthroplasty (KA). These technologies utilize algorithms for tasks such as predictive analytics and image recognition, improving preoperative planning, intraoperative navigation, and postoperative complication anticipation. This systematic review presents AI-driven tools’ clinical implications in total and unicompartmental KA, focusing on enhancing patient outcomes and operational efficiency.</div></div><div><h3>Methods</h3><div>A systematic search was conducted across multiple databases including Cochrane Central Register of Controlled Trials, Embase, OVID Medline, PubMed, and Web of Science, following the PRISMA guidelines for studies published in the English language till March 2024. Inclusion criteria targeted adult human models without geographical restrictions, specifically related to total or unicompartmental KA.</div></div><div><h3>Results</h3><div>A total of 153 relevant studies were identified, covering various aspects of ML application for KA. Topics of studies included imaging modalities (<em>n</em> = 28), postoperative primary KA complications (<em>n</em> = 26), inpatient status (length of stay, readmissions, and cost) (<em>n</em> = 24), implant configuration (<em>n</em> = 14), revision (<em>n</em> = 12), patient-reported outcome measures (PROMs) (<em>n</em> = 11), function (<em>n</em> = 11), procedural communication (<em>n</em> = 8), total knee arthroplasty/unicompartmental knee arthroplasty prediction (<em>n</em> = 6), outpatient status (<em>n</em> = 4), perioperative efficiency (<em>n</em> = 4), patient satisfaction (<em>n</em> = 3), opioid usage (<em>n</em> = 3). A total of 66 ML models were described, with 48.7% of studies using multiple approaches.</div></div><div><h3>Conclusion</h3><div>This review assesses ML applications in knee arthroplasty, highlighting their potential to improve patient outcomes. While current algorithms and AI show promise, our findings suggest areas for enhancement in predictive performance before widespread clinical adoption.</div></div>","PeriodicalId":56110,"journal":{"name":"Knee","volume":"54 ","pages":"Pages 28-49"},"PeriodicalIF":1.6,"publicationDate":"2025-02-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143520895","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":"A deep learning and statistical shape modeling-based method for assessing intercondylar notch volume in anterior cruciate ligament reconstruction","authors":"Anna Ghidotti ,&nbsp;Daniele Regazzoni ,&nbsp;Miri Weiss Cohen ,&nbsp;Caterina Rizzi ,&nbsp;Vincenzo Condello","doi":"10.1016/j.knee.2025.02.009","DOIUrl":"10.1016/j.knee.2025.02.009","url":null,"abstract":"<div><h3>Background</h3><div>Anterior cruciate ligament (ACL) reconstruction is a widely performed procedure for ACL injury, but there are several factors which may lead to re-rupture or clinical failure. An intercondylar notch (or fossa) that is narrower may increase the likelihood of injury. Traditional two-dimensional assessments are limited, and three-dimensional (3D) volume analysis may offer more detailed insights. This study employs deep learning and statistical shape modeling (SSM) to enhance 3D modeling of the intercondylar notch, aiming to gain a deeper understanding of this complex 3D anatomical region.</div></div><div><h3>Methods</h3><div>A methodology was developed to generate accurate 3D models of the intercondylar fossa within seconds. The variability of the intercondylar notch in ACL-injured samples was analyzed using SSM techniques, focusing on its principal components. Additionally, gender differences in notch volume were examined using <em>t</em>-tests.</div></div><div><h3>Results</h3><div>The best deep learning method for automatic segmentation of the notch was SegResNet, which achieved a Dice similarity coefficient of over 0.88 and a Hausdorff distance of 0.73 mm. The small volume-related relative error (0.06) illustrates the goodness of the result. Three principal components accounted for 72.59% of the variation, including notch volume, shape, width, and height. Females had statistically significant smaller notch compared with males with ACL injury (<em>P</em> &lt; 0.001).</div></div><div><h3>Conclusion</h3><div>By examining notch volume and its variability in ACL-injured patients, it is possible to understand the complex anatomy of the intercondylar notch and tailor ACL reconstructions accordingly.</div></div>","PeriodicalId":56110,"journal":{"name":"Knee","volume":"54 ","pages":"Pages 71-80"},"PeriodicalIF":1.6,"publicationDate":"2025-02-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143520896","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Quadriceps and hamstring muscles strength differences in adolescent and adult recreational athletes 6 months after autograft bone–patellar-tendon–bone anterior cruciate ligament reconstruction: A retrospective study","authors":"Marco Turati ,&nbsp;Erik Benedettini ,&nbsp;Dai Sugimoto ,&nbsp;Marco Crippa ,&nbsp;Cristiano Alessandro ,&nbsp;Valentina Bacchin ,&nbsp;Massimiliano Piatti ,&nbsp;Fabio Albanese ,&nbsp;Franck Accadbled ,&nbsp;Luca Rigamonti ,&nbsp;Giovanni Zatti ,&nbsp;Marco Bigoni","doi":"10.1016/j.knee.2025.02.008","DOIUrl":"10.1016/j.knee.2025.02.008","url":null,"abstract":"<div><h3>Background</h3><div>Knee muscle strength recovery after anterior cruciate ligament reconstruction (ACLR) is crucial for a safe return to sport (RTS) but it is poorly described in the adolescent population. Therefore, we compared the knee muscle strength at 6 months post-surgery in adults and adolescents. We hypothesized a greater muscular strength in adolescents 6 months after ACLR.</div></div><div><h3>Methods</h3><div>This was a retrospective analysis of 55 adolescents (13<em>–</em>18 years old) and 76 adults (19–39 years old) who underwent ACLR with autograft bone–patellar-tendon–bone (BPTB), subjected to isokinetic tests 6 months after surgery. The following outcomes were analyzed: (1) the maximum torque of hamstrings (H) and quadriceps (Q) during flexion and extension at 30°/s normalized by body weight; (2) hamstrings to quadriceps strength ratio (HQ ratio); (3) injured to uninjured leg muscle strength ratio (limb-symmetry index, LSI).</div></div><div><h3>Results</h3><div>Both adults and adolescents produced lower Q torque with the injured leg compared with uninjured, but similar H torque. In adolescents, the injured Q torque and the Q-LSI were higher compared with adults. In both populations, the Q-LSI was lower than the H-LSI and the HQ ratio in the injured leg was higher compared with uninjured. Adolescents showed a lower HQ ratio in injured legs.</div></div><div><h3>Conclusions</h3><div>At 6 months after ACLR both adolescents and adults did not recover Q strength in the injured leg. However, adolescents showed larger Q strength compared with adults. The HQ ratio analysis showed that 6 months after surgery both groups are not ready for a safe RTS.</div></div>","PeriodicalId":56110,"journal":{"name":"Knee","volume":"54 ","pages":"Pages 9-18"},"PeriodicalIF":1.6,"publicationDate":"2025-02-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143488704","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The value of 2D and 3D MRI texture models in Grade II and III anterior cruciate ligament injuries","authors":"Qian Zhang,&nbsp;Yeyu Xiao,&nbsp;Jingyao Yang,&nbsp;Fangfang Deng,&nbsp;Zhuyin Zhang,&nbsp;Jiahui Cai","doi":"10.1016/j.knee.2025.01.007","DOIUrl":"10.1016/j.knee.2025.01.007","url":null,"abstract":"<div><h3>Objective</h3><div>To evaluate the diagnostic value 2D and 3D texture models for Grade II and III anterior cruciate ligament (ACL) injuries.</div></div><div><h3>Materials and methods</h3><div>Patients diagnosed with grade II and III ACL injuries through MRI examinations at our Hospital from January 2023 to December 2023 will be collected as the experimental group (<em>n</em> = 166). These cases were randomly stratified into training and validation sets with a ratio of 7:3. ACL was delineated, and texture features were extracted to establish both 2D and 3D models. The models were evaluated using a test set of patients who underwent surgery for confirmation(<em>n</em> = 81). Diagnostic performance was assessed using the area under the receiver operating characteristic curve (AUC). Differences were compared using the DeLong test. The clinical value of texture models were assessed using clinical decision curve and calibration curves.</div></div><div><h3>Results</h3><div>A total of 247 cases from a single center were included. 2D and 3D texture models were constructed using three algorithms: RandomForest, Extra Trees, and XGBoost. For 2D texture models, the AUC values for the training, validation, and test sets were (0.998, 0.873, 0.697), (0.930, 0.778, 0.615), and (1.000, 0.821, 0.755), respectively. Corresponding AUC values for 3D models were (0.939, 0.899, 0.861), (0.852, 0.831, 0.826), and (0.982, 0.890, 0.728), respectively. DeLong test results, combined with clinical decision curve and calibration analysis, indicated that the 3D texture model using Random Forest outperformed others.</div></div><div><h3>Conclusion</h3><div>The 3D model using Random Forest showed high validity and stability in the diagnosis of grade II and III ACL injuries.</div></div>","PeriodicalId":56110,"journal":{"name":"Knee","volume":"54 ","pages":"Pages 254-262"},"PeriodicalIF":1.6,"publicationDate":"2025-02-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143451042","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":"Age affects the osteotomy gap filling rate after biplanar medial opening wedge high tibial osteotomy without a bone graft","authors":"Sung-Sahn Lee ,&nbsp;Joon-Gyom Kim ,&nbsp;Dae-Hee Lee","doi":"10.1016/j.knee.2025.01.013","DOIUrl":"10.1016/j.knee.2025.01.013","url":null,"abstract":"<div><h3>Background</h3><div>This study was designed to determine the relationship between age and osteotomy gap filling rate, aiming to discern the specific time period during which age exerts its impact on this process. The osteotomy gap filling rate after medial opening wedge high tibial osteotomy (MOWHTO) was assessed by evaluating the absolute value of gap filling utilizing computed tomography (CT) scan obtained at multiple time points postoperatively.</div></div><div><h3>Methods</h3><div>The data of 30 patients who underwent MOWHTO between September 2019 and July 2021 were retrospectively analyzed. Computed tomography findings were used to measure osteotomy gap filling rate at 6, 12, and 24 months postoperatively. Patients were divided into two age groups (those aged ≤ 55 and &gt; 55 years) for comparison.</div></div><div><h3>Results</h3><div>Patients aged ≤ 55 years showed significantly greater osteotomy gap filling rate at the 6-month follow-up examination compared to that of older patients (p = 0.034). Pearson’s correlation analysis revealed a negative correlation between age and osteotomy gap filling rate at 6 and 12 months postoperatively (<em>r</em> = −0.426, <em>p</em> = 0.019; <em>r</em> = −0.368, <em>p</em> = 0.046, respectively). Multiple linear regression analysis identified age as the sole predictor of osteotomy gap filling rate at 6 months postoperatively (β = −0.407, <em>p</em> = 0.039).</div></div><div><h3>Conclusion</h3><div>Age significantly influenced the osteotomy gap filling rate after MOWHTO. Patients aged ≤ 55 years demonstrated greater improvement in gap filling during the initial 6-month period compared to their older counterparts. These findings underscore the importance of age considerations when deciding on the indication for MOWHTO in cases of medial knee osteoarthritis in clinical practice.</div></div><div><h3>Study design</h3><div>Case series, Level of Evidence IV.</div></div>","PeriodicalId":56110,"journal":{"name":"Knee","volume":"54 ","pages":"Pages 230-239"},"PeriodicalIF":1.6,"publicationDate":"2025-02-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143384167","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 degree of patella alta in newborns shows strong correlations with patellofemoral parameters and is influenced by the intrauterine position – An ultrasound-based correlation study","authors":"Timon Röttinger ,&nbsp;Kurt Vollert ,&nbsp;Stefanie Tüchert ,&nbsp;Leonard Lisitano ,&nbsp;Khaled Salama ,&nbsp;Heinz Röttinger ,&nbsp;Christian Dannecker ,&nbsp;Edgar Mayr ,&nbsp;Johanna Abelmann-Brockmann","doi":"10.1016/j.knee.2025.01.011","DOIUrl":"10.1016/j.knee.2025.01.011","url":null,"abstract":"<div><h3>Background</h3><div>Studies suggest that the development of a suitable patellar groove is highly dependent on a regular patellar position imprinting the patellofemoral joint. Furthermore, previous studies have shown that breech position also has an influence on the patellofemoral joint shape. The aim of this study is to exploratively analyze influences on patellar sagittal height in newborns.</div></div><div><h3>Methods</h3><div>In this ultrasound-based study, parameters influencing patellar height will be exploratively examined (i.e. patellofemoral joint parameters, hip dysplasia, sex, body and age characteristics of the parents and the newborn, intrauterine position). 98 newborns born between June 2023 and November 2023 at the University Hospital receiving an ultrasound hip screening examination received additional standardized ultrasounds of their knees.</div></div><div><h3>Results</h3><div>For all 3 measured patellar height indices patellar height was lower for newborns after breech positions. For one of the measured indices this result was significant (<em>p</em> = 0.018). Patellofemoral trochlear configuration also showed significant relationships to patellar height. A high sulcus angle and a lower internal rotation of the trochlea are significantly related to lower patellar heights (multiple linear regression model, model fit: <em>p</em> = 0.002, Coefficients: Sulcus angle <em>p</em> = 0.007, Trochlea angle <em>p</em> = 0.028).</div></div><div><h3>Conclusions</h3><div>Breech position, high sulcus angle and lower internal rotation of the trochlea are significantly related to lower patellar heights. This is the first study to describe these relationships in newborns and increases clinical awareness. As the exact nature of the relationships remains unclear further research should be conducted.</div></div>","PeriodicalId":56110,"journal":{"name":"Knee","volume":"54 ","pages":"Pages 222-229"},"PeriodicalIF":1.6,"publicationDate":"2025-02-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143384171","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Novel anatomical findings of the superficial medial collateral ligament during knee flexion: Anatomical and histological findings","authors":"Keishiro Kikuchi ,&nbsp;Joe Iwanaga ,&nbsp;Kosuke Tabuchi ,&nbsp;Yoko Tabira ,&nbsp;Koichi Watanabe ,&nbsp;Georgi P. Georgiev ,&nbsp;R. Shane Tubbs","doi":"10.1016/j.knee.2025.01.008","DOIUrl":"10.1016/j.knee.2025.01.008","url":null,"abstract":"<div><h3>Background</h3><div>During anatomical medial collateral ligament (MCL) reconstruction, the apex of the medial femoral epicondyle (ME-apex) is a significant bony landmark. The purpose of the present study was to evaluate the anatomical relationship between the superficial MCL (sMCL) and the ME-apex using gross anatomical, and histological observations.</div></div><div><h3>Methods</h3><div>Eight unpaired cadaveric knees were studied. The sMCL was traced from its tibial attachment, and its course at the ME-apex level was documented. The dynamic morphology of the sMCL in relation to the ME-apex was then observed throughout the range of motion, from full knee extension to 90° of knee flexion. Second, the femur, including the sMCL, was cut in the axial plane at the level of the ME-apex. Using this axial section, the anatomical relationships between the sMCL, ME-apex, and depression posterior to the ME-apex, and the morphology of the sMCL femoral attachment were examined histologically.</div></div><div><h3>Results</h3><div>Gross anatomical observation showed that the sMCL covered the ME-apex in full knee extension. As the knee flexed, the sMCL shifted posteriorly and the ME-apex became visible. At 90° knee flexion, two separate bundles of sMCL fibers with different directions were observed. There was no direct insertion of the sMCL femoral attachment anterior to the ME-apex, only from the ME-apex to the depression posterior.</div></div><div><h3>Conclusion</h3><div>The sMCL has the direct insertion from the ME-apex of the femur to the depression posterior to it, and shows two separate proximal fiber bundles during knee flexion. These findings offer valuable insights for improving anatomical MCL reconstruction techniques.</div></div>","PeriodicalId":56110,"journal":{"name":"Knee","volume":"54 ","pages":"Pages 244-253"},"PeriodicalIF":1.6,"publicationDate":"2025-02-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143384170","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 tensile strength of different methods of anterior cruciate ligament graft end stitches in an animal model","authors":"Marcin Dembski ,&nbsp;Patryk Kawa ,&nbsp;Jakub Tarnawski ,&nbsp;Marcin Ceynowa ,&nbsp;Krzysztof Żerdzicki ,&nbsp;Paweł Kłosowski","doi":"10.1016/j.knee.2025.01.012","DOIUrl":"10.1016/j.knee.2025.01.012","url":null,"abstract":"<div><h3>Background</h3><div>There are several methods for stitching graft ends in anterior cruciate ligament reconstructive surgery. The tendon-suture construct should be able to withstand tensioning until the graft is stabilized with an implant.</div></div><div><h3>Methods</h3><div>In this biomechanical study, 40 porcine lower extremity tendons ends were stitched with No. 2 suture, secured to the grips of the Zwick-Roell testing machine and tested for load at failure and type of failure (tendon v/s suture thread). The applied force was linear, the results are given in Newtons (N) as a mean. The Mann-Whitney <em>U</em> test was used for statistical analysis. The following constructs were compared: a whipstitch of each tendon end individually with 3, 4, and 5 passes through the tendon, a whipstitch of both tendon ends folded together and a tendon end knot without stitching.</div></div><div><h3>Results</h3><div>All specimens survived the minimum tensile load of 80 N. The load at failure for whipstitch with 3,4 and 5 passes were 175 N, 211 N and 254 N respectively. The load at failure was greater for individual whipstitch than for both ends folded together (261 N v/s 152 N). The mean load at failure for braided graft was 209 N. The braided graft slips off the tendon before failure leading to uneven strength distribution during tensioning.</div></div><div><h3>Conclusion</h3><div>Increasing number of suture passes resulted in higher load at failure. Individual tendon ends whipstitched with 5 passes was the strongest construct. All of the investigated techniques are sufficient to withstand the suggested optimal graft tension of 80 N.</div></div>","PeriodicalId":56110,"journal":{"name":"Knee","volume":"53 ","pages":"Pages 293-301"},"PeriodicalIF":1.6,"publicationDate":"2025-02-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143360570","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":"Clinical outcomes of repaired radial meniscal tears: A retrospective study with minimum 2-year follow-up","authors":"Camilo Partezani Helito ,&nbsp;Andre Giardino Moreira da Silva ,&nbsp;Filippo Familiari ,&nbsp;Roberto Simonetta ,&nbsp;Mateus Carlos Andrade ,&nbsp;Daniel Esperante Gomes ,&nbsp;Christoffer von Essen ,&nbsp;Riccardo Cristiani","doi":"10.1016/j.knee.2025.01.009","DOIUrl":"10.1016/j.knee.2025.01.009","url":null,"abstract":"<div><h3>Background</h3><div>The management of meniscal radial tears has changed significantly in recent years in favor of meniscus repair. However, there is still limited published data on the outcomes and risk factors associated with repair failure. The objective of this study is to evaluate the clinical success rate of repaired meniscal radial tears and identify potential risk factors for failure.</div></div><div><h3>Methods</h3><div>Patients who underwent repair of meniscal radial tears between 2016 and 2022 were reviewed retrospectively. The following parameters were collected: demographic data, pre-operative Kellgren-Lawrence grading, history of previous knee surgeries, time from injury to surgery, injury location, number of sutures used, use of transtibial tunnel augmentation, associated procedures, postoperative functional scores, and clinical failure rates.</div></div><div><h3>Results</h3><div>81 patients were included, with a mean age of 29.9 ± 12.3 years. The mean follow-up time was 36.7 ± 17.0 months. Postoperatively, the mean IKDC was 81 ± 18.1, and the mean Lysholm score was 82 ± 18.4. The clinical failure rate was 19.8%. In the univariate analysis, the factors associated with failure included increased age, female gender, medial meniscus repair, isolated repairs (without ACL reconstruction), a Kellgren-Lawrence scale greater than 0, and repairs without a transtibial tunnel. However, none of these variables were statistically significant in the multivariate analysis adjusted for age and gender.</div></div><div><h3>Conclusion</h3><div>The clinical success rate of repaired meniscal radial tears was about 80% after a minimum 2-year follow-up. Increased age, female gender, repair of medial meniscus, isolated repair without ACL reconstruction, mild preoperative osteoarthritic signs, and repair without a transtibial tunnel augmentation are possible risk factors for failure.</div></div><div><h3>Level of evidence</h3><div>Level IV, retrospective case series.</div></div>","PeriodicalId":56110,"journal":{"name":"Knee","volume":"53 ","pages":"Pages 285-292"},"PeriodicalIF":1.6,"publicationDate":"2025-02-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143348393","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}