Knee最新文献

{"title":"Corrigendum to “Soft tissue flap reconstruction in infected or exposed total knee arthroplasty: A systematic review and network meta-analysis” [The Knee 52 (2025) 9–21]","authors":"Mario Alessandri-Bonetti , Riccardo Giorgino , Andrea Costantino , Francesco Amendola , Armando De Virgilio , Laura Mangiavini , Giuseppe M. Peretti , Luca Vaienti , Saïd C. Azoury , Francesco M. Egro","doi":"10.1016/j.knee.2024.12.014","DOIUrl":"10.1016/j.knee.2024.12.014","url":null,"abstract":"","PeriodicalId":56110,"journal":{"name":"Knee","volume":"53 ","pages":"Page 236"},"PeriodicalIF":1.6,"publicationDate":"2025-01-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143048717","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":"Discrepancies in long-leg alignment and knee joint line obliquity between two- and three-dimensional measurements under weight-bearing conditions: Effects on coronal plane alignment of the knee classification","authors":"Ryo Sasaki ,&nbsp;Yasuo Niki ,&nbsp;Kazuya Kaneda ,&nbsp;Yoshitake Yamada ,&nbsp;Shu Kobayashi ,&nbsp;Kengo Harato ,&nbsp;Takeo Nagura ,&nbsp;Masaya Nakamura ,&nbsp;Masahiro Jinzaki","doi":"10.1016/j.knee.2024.12.008","DOIUrl":"10.1016/j.knee.2024.12.008","url":null,"abstract":"<div><h3>Background</h3><div>Long-leg alignment and joint line obliquity have traditionally been assessed using two-dimensional (2D) radiography, but the accuracy of this measurement has remained unclear. This study aimed to evaluate the accuracy of 2D measurements of lateral distal femoral angle (LDFA) and medial proximal tibial angle (MPTA) using upright three-dimensional (3D) computed tomography (CT).</div></div><div><h3>Methods</h3><div>This study involved 66 knees from 38 patients (34 women, four men) with knee osteoarthritis (OA), categorized by Kellgren–Lawrence (KL) grade. Patients underwent standing long-leg radiography (LLR) and upright CT. Flexion and rotation angles of the femur and tibia were measured from upright CT data, and knees were classified by coronal plane alignment of the knee (CPAK) according to 2D- and 3D-LDFA/MPTA.</div></div><div><h3>Results</h3><div>Overall, as KL grade increased, femoral external rotation and flexion increased significantly (<em>P</em> &lt; 0.05). Regarding the tibia, flexion increased (<em>P</em> &lt; 0.05) while rotation remained unchanged with increasing KL grade. In mild OA (KL1 or KL2), 2D-LDFA (86.5 ± 1.8°) was significantly larger than 3D-LDFA (85.0 ± 2.5°; <em>P</em> &lt; 0.05), and this difference was also observed in severe OA (KL3 or KL4) (88.7 ± 2.5° vs. 87.7 ± 3.2°; <em>P</em> &lt; 0.05). However, MPTA was comparable between 2D and 3D. The consistency between 2D and 3D CPAK classifications was 48.5% for the entire sample, 25.0% for mild OA, and 61.9% for severe OA.</div></div><div><h3>Conclusion</h3><div>Based on 3D-LDFA/MPTA data gained from upright CT, 2D radiographic LDFA tended to be inaccurate, which may significantly affect the CPAK classification.</div></div>","PeriodicalId":56110,"journal":{"name":"Knee","volume":"53 ","pages":"Pages 237-245"},"PeriodicalIF":1.6,"publicationDate":"2025-01-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143048719","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 coronal plane alignment of the knee classification of a Japanese population indicates more varus deformity tendency compared with European countries","authors":"Mitsuaki Kubota ,&nbsp;Haruka Kaneko ,&nbsp;Keiichi Yoshida ,&nbsp;Shinnosuke Hada ,&nbsp;Youngji Kim ,&nbsp;Jun Shiozawa ,&nbsp;Jun Tomura ,&nbsp;Mayuko Kinoshita ,&nbsp;Takaya Otaki ,&nbsp;Keiji Kobayashi ,&nbsp;Yoshitomo Saita ,&nbsp;Masashi Nagao ,&nbsp;Yuji Takazawa ,&nbsp;Muneaki Ishijima","doi":"10.1016/j.knee.2024.12.010","DOIUrl":"10.1016/j.knee.2024.12.010","url":null,"abstract":"<div><h3>Purpose</h3><div>The purpose of this study was to compare the distribution of the coronal plane alignment of the knee (CPAK) phenotype between the healthy population and the arthritic population in Japan.</div></div><div><h3>Methods</h3><div>The retrospective cross-sectional study included 1049 knees. There were 256 healthy individuals with a total of 512 knees and 310 individuals with a total of 537 arthritic knees who underwent around-knee osteotomy between June 2010 and January 2024. The CPAK phenotype was compared between the healthy population and the arthritic population. Furthermore, the CPAK phenotype rates were compared between Japan and the other countries.</div></div><div><h3>Results</h3><div>The most common type of CPAK was type II (51.2%), followed by type III (26.4%) and type I (16.6%) in the healthy population, and type I (63.4%), followed by type II (22.9%) and type IV (6.3%) in the arthritic population. There were significant differences in CPAK types I, II, III, IV, VI between the healthy and arthritic populations. The rates of CPAK phenotype in Japan were significantly different from those in the other countries. The rates of apex distal joint line obliquity in the healthy and arthritic population (94.2%, 88.9%) were significantly higher than in the other countries.</div></div><div><h3>Conclusions</h3><div>There were significant differences in distribution of the CPAK phenotype between the healthy and arthritic populations. Furthermore, the Japanese distribution of the CPAK phenotype was different from other countries. Japanese CPAK types were highly involved in distal joint line apex obliquity, which indicates varus deformity in the future<em>.</em></div></div>","PeriodicalId":56110,"journal":{"name":"Knee","volume":"53 ","pages":"Pages 246-254"},"PeriodicalIF":1.6,"publicationDate":"2025-01-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143048731","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":"AutoCOR: Autonomous condylar offset ratio calculator for post-operative total knee arthroplasty radiographs","authors":"Gulsade Rabia Cakmak ,&nbsp;Ibrahim Ethem Hamamci ,&nbsp;Mehmet Kursat Yilmaz ,&nbsp;Reda Alhajj ,&nbsp;Ibrahim Azboy ,&nbsp;Mehmet Kemal Ozdemir","doi":"10.1016/j.knee.2025.01.002","DOIUrl":"10.1016/j.knee.2025.01.002","url":null,"abstract":"<div><h3>Background</h3><div>This study aims to automate the measurement process of posterior condylar offset ratio (PCOR) and anterior condylar offset ratio (ACOR) to improve the Total Knee Arthroplasty (TKA) evaluation. Accurate calculation of PCOR and ACOR, performed manually by orthopedic surgeons, is crucial for assessing postoperative range of motion and implant positioning. Manual measurements, however, are time-consuming, prone to human error, and subject to variability. Automating this process could improve precision in clinical practice.</div></div><div><h3>Methods</h3><div>We developed AutoCOR, a software system that autonomously calculates PCOR and ACOR by utilizing built-in function, employing k-means clustering, from the OpenCV library for image segmentation. The software detects key anatomical landmarks on true postoperative lateral radiographs. The definitions of PCOR and ACOR are PCO (posterior condylar offset) divided by femoral diameter, and ACOR is defined as ACO (anterior condylar offset) divided by femoral diameter, respectively. We tested the algorithm on 50 postoperative lateral radiographs of 32 patients from the Istanbul Kosuyolu Medipol Hospital, which included data from. The assessment process included calculating the mean, standard deviation and plotting the Bland-Altman plots, comparing AutoCOR’s results against ground truth values.</div></div><div><h3>Results</h3><div>The mean PCOR was 0.984 (SD 0.235) for AutoCOR and 0.972 (SD 0.164) for ground truth values, showing a strong correlation (Pearson r = 0.845, p &lt; 0.0001). The mean ACOR was 0.107 (SD 0.092) for AutoCOR and 0.107 (SD 0.070) for ground truth values, with moderate correlation (Spearman’s rs = 0.519, p = 0.0001).</div></div><div><h3>Conclusion</h3><div>AutoCOR provides accurate measurements and shows potential to reduce variability in TKA evaluation, improving precision in clinical practice.</div></div>","PeriodicalId":56110,"journal":{"name":"Knee","volume":"53 ","pages":"Pages 217-227"},"PeriodicalIF":1.6,"publicationDate":"2025-01-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143017133","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":"Correlation of morphological parameters of the knee affecting the functional outcome in patients with anterior cruciate ligament reconstruction","authors":"Prem Kotian ,&nbsp;Anshul Tripathi ,&nbsp;Rajendra Annappa ,&nbsp;Premjit Rabindra Sujir ,&nbsp;Prajwal Prabhudev Mane ,&nbsp;Keerthan Ranga Nayak U ,&nbsp;K. Suprasanna ,&nbsp;Megha Thaleppady","doi":"10.1016/j.knee.2025.01.003","DOIUrl":"10.1016/j.knee.2025.01.003","url":null,"abstract":"<div><h3>Objectives</h3><div>The literature does not show any studies that correlate between the morphological parameters of knee and functional outcome after anterior cruciate ligament reconstruction. The purpose of this study was to establish a correlation of morphological parameters of the knee in (magnetic resonance imaging) MRI with functional outcome in patients who underwent anterior cruciate ligament reconstruction.</div></div><div><h3>Material and methods</h3><div>This was an observational study which included 63 patients who underwent anterior cruciate ligament reconstruction. Morphological parameters such as notch width index, medial and lateral tibial slopes and patellar tendon tibial slope angle were interpreted. Functional outcome was measured using IKDC (International knee documentation committee) score and Tegnor-Lysholm scores at 3, 6, 9 and 12 months post operatively.</div></div><div><h3>Results</h3><div>Group 1(NWI) had least IKDC score (77.5 ± 8.5) and Tegnor-Lysholm score (79 ± 3) at 12 months among patients when compared with other single abnormal morphological parametric values. Group 10 (NWI + PTTS) had least IKDC scores (79 ± 2) and Tegnor-Lysholm scores (91) at 12 months. Overall group 15 (LTS + PTTS) had better IKDC scores (85.3 ± 0.94) and Tegnor-Lysholm scores (93.3 ± 2.4) at 12 months among all the other groups considered. Thirty patients had abnormal notch width index.</div></div><div><h3>Conclusion</h3><div>Evaluation of knee morphology is important in anterior cruciate ligament injuries as the relevant indices correlate with surgical outcome and helps the surgeon to choose an approach to minimize graft failure. Notch width index is the best of these indices to assess the future likely functional outcome in patients with anterior cruciate ligament reconstruction. Patients having a narrow intercondylar notch width index are at risk of having a poor functional outcome post anterior cruciate ligament reconstruction.</div></div>","PeriodicalId":56110,"journal":{"name":"Knee","volume":"53 ","pages":"Pages 208-216"},"PeriodicalIF":1.6,"publicationDate":"2025-01-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143017136","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 effect of cognitive task and gait speed on gait spatiotemporal parameters in athletes with anterior cruciate ligament reconstruction: Cross-sectional study","authors":"Omid Khoshavi ,&nbsp;Javad Sarrafzadeh ,&nbsp;Reza Salehi ,&nbsp;Zahra Sadat Rezaeian ,&nbsp;Zohreh Shafizadegan","doi":"10.1016/j.knee.2025.01.001","DOIUrl":"10.1016/j.knee.2025.01.001","url":null,"abstract":"<div><h3>Background</h3><div>Restoring pre-injury normal gait following Anterior Cruciate Ligament Reconstruction (ACLR) is a critical challenge. The purpose of this study was to compare spatiotemporal parameters in athletes following ACL reconstruction with healthy athletes when cognitive load and speed were manipulated.</div></div><div><h3>Methods</h3><div>Twenty male soccer players with an ACLR history and 20 healthy matched individuals completed walking tasks under four conditions: with and without a cognitive load (auditory Stroop task), and at preferred speed as well as high speed (20% higher than the individual’s preferred speed). Step Width (SW), Step Time (ST), Step Length (SL), as well as Symmetry Indexes (SIs) were measured using three-dimensional (3D) motion analysis. Gait symmetry was evaluated by SIs. The data was analyzed using Three-way analysis of variances with repeated measures (ANOVA 3 × 2).</div></div><div><h3>Results</h3><div>ST was significantly different between groups (<em>P</em> = 0.04) when the cognitive load was applied at the preferred speed. However, other spatiotemporal parameters were not significantly different between groups in any conditions (<em>p</em> &gt; 0.05). The SW was reduced during high–speed walking with cognitive load in both groups (<em>p</em> = 0.004). High-speed resulted in greater SL (<em>p</em> &lt; 0.001) and lower ST (<em>p</em> &lt; 0.001) in both groups. SI was not significantly different for any parameter between groups under any conditions, however, the interaction of cognitive task × speed was significant for SW (<em>p</em> = 0.03).</div></div><div><h3>Conclusion</h3><div>Athletes at a mean of 19 months following ACL Reconstruction appear to manage speed and cognitive challenges similar to age and activity matched individuals who have not had surgery.</div></div>","PeriodicalId":56110,"journal":{"name":"Knee","volume":"53 ","pages":"Pages 200-207"},"PeriodicalIF":1.6,"publicationDate":"2025-01-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143017140","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":"Response to letter to the editor by Dr. Liu Aifeng et al.","authors":"","doi":"10.1016/j.knee.2024.12.018","DOIUrl":"https://doi.org/10.1016/j.knee.2024.12.018","url":null,"abstract":"","PeriodicalId":56110,"journal":{"name":"Knee","volume":" ","pages":""},"PeriodicalIF":1.6,"publicationDate":"2025-01-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142973461","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Letter to the editor: Validity of wearable sensors for total knee arthroplasty (TKA) rehabilitation: A study in younger and older healthy Participants. Knee. 2024 Oct; 24:51:292-302.","authors":"Neimeng Gu, Dongdong Cao, Aifeng Liu","doi":"10.1016/j.knee.2024.12.017","DOIUrl":"https://doi.org/10.1016/j.knee.2024.12.017","url":null,"abstract":"","PeriodicalId":56110,"journal":{"name":"Knee","volume":" ","pages":""},"PeriodicalIF":1.6,"publicationDate":"2025-01-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142967450","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":"Preoperative estimation of hamstring autograft graft diameter in anterior cruciate ligament reconstruction with a new simple method using magnetic resonance imaging","authors":"Emre Kocazeybek,&nbsp;Mehmet Ersin,&nbsp;Murat Yılmaz,&nbsp;Mehmet Ekinci","doi":"10.1016/j.knee.2024.12.016","DOIUrl":"10.1016/j.knee.2024.12.016","url":null,"abstract":"<div><h3>Background</h3><div>The aim of this study was to predict intraoperative graft diameter with our new method by evaluating the cross-sectional areas (CSAs) of the hamstrings in axial sections of MRI.</div></div><div><h3>Methods</h3><div>This study included 78 patients who underwent single-bundle ACLR between 2022 and 2023. MRIs of the patients were evaulated preoperatively and four CSAs of the hamstring tendons were measured in two different regions by two participants. CSA measurements were calculated manually and the total area was measured by adding up these cross-sectional areas separately. This value was considered as the area of a single circle and the radius was calculated using the area formula of the circle (A = πr²)</div></div><div><h3>Results</h3><div>For participant I, perfect agreement was found in semitendinosus measurement (κ = 0.849), moderate agreement was detected at the medial condyle level (κ = 0.520). For participant II, perfect agreement was found in the medial condyle region (κ = 0.849), substantial agreement was obtained at the joint level (0.631). In the gracilis tendon evaluation of both participants, substantial and moderate agreement was found at the joint level and at the medial condyle level, respectively. CSA of hamstring tendons measured at the joint level by both participants were found to be positively correlated with the intraoperative graft diameter (r = 0.51) (<em>P</em> &lt; 0.05)</div></div><div><h3>Conclusions</h3><div>Preoperative MRI assesment could be a effective tool for determing preliminary information about the hamstring graft diameters. Moreover, it is observed that quadruple hamstring graft sizes were more correlated with MRI measurements at the joint level than medial condyle level by using circle area formula.</div></div>","PeriodicalId":56110,"journal":{"name":"Knee","volume":"53 ","pages":"Pages 193-199"},"PeriodicalIF":1.6,"publicationDate":"2025-01-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142959308","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":"Abstracts of systematic reviews and meta-analyses investigating meniscal root repair exhibit a high prevalence of reporting bias","authors":"Jacob L. Kotlier,&nbsp;Pranit Kumaran,&nbsp;Amir Fathi,&nbsp;Joshua M. Yazditabar,&nbsp;Eric H. Lin,&nbsp;Cory K. Mayfield,&nbsp;Frank A. Petrigliano,&nbsp;Joseph N. Liu","doi":"10.1016/j.knee.2024.12.013","DOIUrl":"10.1016/j.knee.2024.12.013","url":null,"abstract":"<div><h3>Background</h3><div>To present rates of reporting bias in systematic reviews and <em>meta</em>-analyses investigating meniscal root repair.</div></div><div><h3>Methods</h3><div>In this systematic review, PubMed, Scopus and Web of Science databases were queried for studies that investigated meniscal root tears treated with root repair. Included studies were systematic reviews and/or <em>meta</em>-analyses published in peer-reviewed journals in the English language with available full-texts. Each abstract was graded in a binary fashion for 15 most severe types of spin. Fisher’s exact test was used to determine if spin varied significantly by year, journal, level of evidence, funding source, or A Measurement Tool to Assess Systematic Reviews Version 2 (AMSTAR 2) confidence category.</div></div><div><h3>Results</h3><div>Twenty studies were included. All abstracts exhibited spin with a maximum of eight types of spin. The most prevalent categories of spin were “Misleading Reporting” (n = 18), “Inappropriate Extrapolation” (n = 13), and “Misleading Interpretation” (n = 12). There were significant associations between external funding and spin types: 5 (“The conclusion claims the beneficial effect of the experimental treatment despite a high risk of bias in primary studies”) (p = 0.019), 9 (“Conclusion claims the beneficial effect of the experimental treatment despite reporting bias”) (p &lt; 0.001), and 15 (“Conclusion extrapolates the review’s findings to a different population or setting”) (p = 0.049). AMSTAR 2 confidence rating was either “low” (n = 2) or “critically low” (n = 18) in all 20 studies.</div></div><div><h3>Conclusion</h3><div>This study demonstrated a high prevalence of reporting bias in the abstracts of systematic reviews and <em>meta</em>-analyses investigating meniscal root repair, with significant associations with external funding.</div></div>","PeriodicalId":56110,"journal":{"name":"Knee","volume":"53 ","pages":"Pages 183-192"},"PeriodicalIF":1.6,"publicationDate":"2025-01-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142959284","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}