journal
https://read.qxmd.com/read/38763074/factors-associated-with-increased-30-day-re-operation-risk-in-anterior-cruciate-ligament-reconstruction
#1
JOURNAL ARTICLE
Jack Zhong, Michelle A Richardson, Andrew Bi, Benjamin Schaffler, Donald J Rose
BACKGROUND: Revision surgery following isolated anterior cruciate ligament reconstruction (ACLR) has often focused on mid- to long-term revisions due to re-rupture, while short-term 30-day revision is a rare, but underappreciated entity. This study aims to characterize incidence and risk factors for reoperations following isolated ACLR. METHODS: This is a retrospective case-control analysis of the American College of Surgeons National Surgical Quality Improvement Program Database (NSQIP) database from 2005 to 2017...
May 18, 2024: Knee
https://read.qxmd.com/read/38763073/effects-of-clamshell-exercises-in-terminal-extension-lag-after-acl-reconstruction
#2
JOURNAL ARTICLE
Sohaib Kaleem, Rabiya Noor, Muhammad Salman Bashir, Mehwish Ikram
BACKGROUND: Terminal extension lag (TEL) is common following anterior cruciate ligament reconstruction (ACLR). Clamshell exercises have been suggested as a potential intervention to address TEL, but limited research has been conducted in this area. OBJECTIVE: This study aimed to determine the effects of Clamshell exercises in terminal extension lag after anterior cruciate ligament reconstruction. METHODS: This randomized controlled trial included 40 participants with a history of ACLR between 1 and 3 years prior...
May 18, 2024: Knee
https://read.qxmd.com/read/38733872/establishing-femoral-component-rotation-using-a-dynamic-tensioner-does-not-improve-patellar-position-after-total-knee-replacement-with-use-of-anatomic-implants-a-case-control-study
#3
JOURNAL ARTICLE
Bartosz M Maciąg, Bartłomiej Wilk, Mateusz Nawrocki, Marcin Łapiński, Maciej Świercz, Krystian Żarnovsky, Olga Adamska, Artur Stolarczyk
BACKGROUND: Anterior knee pain (AKP) is one of the reasons for dissatisfaction after total knee replacement (TKR). It may result from patellofemoral joint dysfunction, caused by improper rotation of implant components. The aim of this study was to analyze patella positioning in patients after standard measured resection TKR and TKR with a use of a dynamic tensioner, and to assess the frequency of AKP, range of motion (ROM), and patient-reported outcome measures 6 weeks and 3 months postoperatively...
May 10, 2024: Knee
https://read.qxmd.com/read/38733871/the-effect-of-motor-experience-on-knee-stability-and-inter-joint-coordination-when-cutting-at-different-angles
#4
JOURNAL ARTICLE
Zhengye Pan, Lushuai Liu, Yunchao Ma
BACKGROUND: Most studies on cutting have focused on the biomechanics of the knee and lower-limb muscle activation characteristics, with less consideration given to the influence of motor experience on control strategies at the joint level. This study aimed to investigate the differences in knee stability and inter-joint coordination between high- and low-level athletes when cutting at different angles. METHODS: A Vicon motion capture system and a Kistler force table were used to obtain kinematic and ground reaction force data during cutting...
May 10, 2024: Knee
https://read.qxmd.com/read/38733870/evaluating-axial-alignment-and-knee-phenotypes-in-a-young-indian-population-using-x-rays-converted-to-three-dimensional-bone-models-and-their-relevance-in-total-knee-arthroplasty
#5
JOURNAL ARTICLE
Jignesh Tandel, Vivek Shetty, Yash Wagh, Sajeev Shekhar, Aniket Wagh, J M Parvathy, Vikas Karade, Amit Maurya
PURPOSE: The standard principle of total knee arthroplasty (TKA) targeted by most orthopaedicians is the alignment of the lower limb in a neutral mechanical axis. However, for several patients the neutral mechanical alignment is not normal. Aligning these patients to a neutral mechanical axis may not result in desirable outcomes as it may feel unnatural. This study aimed to discover what percentage of the young healthy Indian population have a neutral hip-knee-ankle angle (HKA = 180°) and what percentage of this population have a deviation from the neutral HKA...
May 10, 2024: Knee
https://read.qxmd.com/read/38657526/patho-morphology-of-patellar-instability-in-children-and-adolescents-a-systematic-review-and-meta-analysis
#6
REVIEW
Diego Agustín Abelleyra Lastoria, Katie Hutchinson, Thabia Tapadar, Salwa Ahmad, Toby Smith, Nicolas Nicolaou, Caroline Blanca Hing
BACKGROUND: Children and adolescents have the highest incidence of patellar instability among the population. We aimed to identify patho-morphological and epidemiological factors associated with patellar instability, and to identify factors predisposing to recurrence in children and adolescents. METHODS: Published and unpublished literature databases, conference proceedings and the reference lists of included studies were searched to the 14th of March 2024. Studies were eligible if they compared history characteristics, examination features and radiological parameters between patients with and without instability, or evaluated risk factors for instability recurrence...
April 23, 2024: Knee
https://read.qxmd.com/read/38642542/mid-term-survivorship-and-clinical-outcomes-of-revision-knee-arthroplasty-using-a-mobile-bearing-tibial-tray-a-single-center-registry-review
#7
JOURNAL ARTICLE
David Fawley, Sean Croker, Jan Empson, Donald Pomeroy
BACKGROUND: Revision total knee arthroplasty can successfully restore function and relieve pain for patients with failed knee replacements. Mobile-bearing implants were designed to provide greater congruency between the implant and the polyethylene insert. The goal of this study was to review the clinical outcomes and survivorship for a revision mobile-bearing tibial design. METHODS: A retrospective outcomes review was conducted to assess survivorship and clinical outcomes for a mobile bearing tibial tray, used with metaphyseal sleeves, in revision total knee arthroplasty...
April 19, 2024: Knee
https://read.qxmd.com/read/38642541/risk-of-revision-total-knee-arthroplasty-for-patients-with-prior-bariatric-surgery-or-class-iii-obesity
#8
JOURNAL ARTICLE
Sanjay Kubsad, Laurie Bracey, Amil R Agarwal, Majd Marrache, Alex Gu, Jordan S Cohen, Savyasachi C Thakkar, Gregory J Golladay
BACKGROUND: Bariatric surgery (BS) is indicated for select class III obesity patients undergoing total knee arthroplasty (TKA) to reduce obesity-related complications. This study assessed the effect of BS on TKA revision rates compared to the general population and class III obesity patients without a history of BS. METHODS: A national database identified patients who had primary TKA. They were divided into two groups: those with BS prior to TKA and those without...
April 19, 2024: Knee
https://read.qxmd.com/read/38642540/evaluating-the-optimal-management-strategy-for-intraoperative-iatrogenic-injury-to-the-medial-collateral-ligament-during-primary-total-knee-arthroplasty-a-systematic-review
#9
REVIEW
Dev Dayal, Abdul K Zalikha, Mouhanad M El-Othmani
INTRODUCTION: Intraoperative iatrogenic MCL injuries during primary TKA are rare complications that lack a gold standard management protocol. This review aims to provide insight into various treatment modalities and evidence-based guidance for improved patient outcomes. METHODS: A comprehensive search across five databases identified relevant randomized control trials and retrospective cohort studies with reported outcomes. A total of 17 studies were included, and variables such as patient demographics, injury type, management, and Knee Society Scores (KSS) were assessed...
April 19, 2024: Knee
https://read.qxmd.com/read/38599029/development-of-an-automatic-surgical-planning-system-for-high-tibial-osteotomy-using-artificial-intelligence
#10
JOURNAL ARTICLE
Kazuki Miyama, Takenori Akiyama, Ryoma Bise, Shunsuke Nakamura, Yasuharu Nakashima, Seiichi Uchida
BACKGROUND: This study proposed an automatic surgical planning system for high tibial osteotomy (HTO) using deep learning-based artificial intelligence and validated its accuracy. The system simulates osteotomy and measures lower-limb alignment parameters in pre- and post-osteotomy simulations. METHODS: A total of 107 whole-leg standing radiographs were obtained from 107 patients who underwent HTO. First, the system detected anatomical landmarks on radiographs. Then, it simulated osteotomy and automatically measured five parameters in pre- and post-osteotomy simulation (hip knee angle [HKA], weight-bearing line ratio [WBL ratio], mechanical lateral distal femoral angle [mLDFA], mechanical medial proximal tibial angle [mMPTA], and mechanical lateral distal tibial angle [mLDTA])...
April 9, 2024: Knee
https://read.qxmd.com/read/38579436/effect-of-loading-direction-and-anatomical-location-on-the-ultimate-tensile-stress-fracture-toughness-and-failure-patterns-of-knee-meniscus
#11
JOURNAL ARTICLE
Pouya Sabouri, Ata Hashemi
BACKGROUND: Rupture of the knee menisci is a common injury that can have implications for other conditions, such as osteoarthritis. The fracture toughness of soft tissue (Jc ) is a mechanical property that characterizes its resistance to tear extension. To date, Jc of the meniscus has not been quantified. METHODS: Cyclic tensile tests were conducted on meniscus samples to determine Jc and explore its characteristics. Initially, the study investigated the impact of an initial notch on the ultimate tensile stress...
April 4, 2024: Knee
https://read.qxmd.com/read/38565038/identifying-subgroups-of-patients-that-may-benefit-from-robotic-arm-assisted-total-knee-arthroplasty-secondary-analysis-of-data-from-a-randomised-controlled-trial
#12
JOURNAL ARTICLE
Nick D Clement, Steven Galloway, Jenny Baron, Karen Smith, David J Weir, David J Deehan
BACKGROUND: The aims were to assess whether a specific subgroup(s) of patients had a clinically significant benefit in their knee specific outcome or health-related quality of life (HRQoL) when undergoing robotic total knee arthroplasty (rTKA) when compared to manually performed TKA (mTKA). METHODS: One hundred patients were randomised to either rTKA or mTKA, 50 to each group, of which 46 and 41 were available for functional review at 6-months, respectively. Subgroup analysis was undertaken for sex, age (<67-years versus ≥ 67-years), preoperative WOMAC score (<40 versus ≥ 40) and EQ-5D utility (<0...
April 1, 2024: Knee
https://read.qxmd.com/read/38565037/comparative-assessment-of-chondral-defect-repair-using-migratory-chondroprogenitors-suspended-in-either-gelled-or-freeze-dried-platelet-rich-plasma-an-in-vitro-and-ex-vivo-human-osteochondral-unit-model-study
#13
JOURNAL ARTICLE
Jeya Lisha J, Ganesh Parasuraman, Soosai Manickam Amirtham, Deepak Vinod Francis, Abel Livingston, Anjali Goyal, Boopalan Ramasamy, Solomon Sathishkumar, Elizabeth Vinod
BACKGROUND: Chondroprogenitors, with enhanced chondrogenic potential, have emerged to be a promising alternative for cell-based therapy in cartilage repair. Platelet-rich plasma (PRP), widely used for intra-articular treatment, has a short half-life. Freeze-dried PRP (FD-PRP), with an extended half-life and retained growth factors, is gaining attention. This study compares the efficacy of Migratory Chondroprogenitors (MCPs) in gelled PRP and FD-PRP using in-vitro and ex-vivo models, assessing FD-PRP as a potential off-the-shelf option for effective cartilage repair...
April 1, 2024: Knee
https://read.qxmd.com/read/38555717/astaxanthin-reduces-inflammation-and-promotes-a-chondrogenic-phenotype-by-upregulating-sirt1-in-osteoarthritis
#14
JOURNAL ARTICLE
Haonan Qin, Xingjing Liu, Qirui Ding, Huan Liu, Cheng Ma, Yifan Wei, You Lv, Shouguo Wang, Yongxin Ren
OBJECTIVE: To investigate the effects of astaxanthin (AST) on mouse osteoarthritis (OA) and lipopolysaccharide (LPS)-induced ATDC5 cell damage and to explore whether SIRT1 protein plays a role. METHODS: In this study, some mouse OA models were constructed by anterior cruciate ligament transection (ACLT). Imaging, molecular biology and histopathology methods were used to study the effect of AST administration on traumatic OA in mice. In addition, LPS was used to stimulate ATDC5 cells to mimic the inflammatory response of OA...
March 29, 2024: Knee
https://read.qxmd.com/read/38555227/factors-influencing-outcome-following-total-knee-arthroplasty
#15
EDITORIAL
Oday Al-Dadah, Caroline Hing
No abstract text is available yet for this article.
March 29, 2024: Knee
https://read.qxmd.com/read/38554491/aids-but-not-asymptomatic-hiv-is-associated-with-higher-2-10-year-implant-survivorship-following-total-knee-arthroplasty
#16
JOURNAL ARTICLE
Samantha L Ferraro, Amy Y Zhao, Sonal Mahindroo, Amil R Agarwal, Avilash Das, Jordan S Cohen, Gregory J Golladay, Savyasachi C Thakkar
INTRODUCTION: Prior studies have demonstrated HIV does not increase the risk of 2-year complications following TKA; however, the literature is sparse regarding the impact of HIV and AIDS on long-term implant survivorship. The purpose of this study was to compare the 10-year cumulative incidence and risk of revision TKA in patients with and without asymptomatic HIV, and with and without AIDS. METHODS: Patients with HIV who underwent elective TKA were identified using a national database and divided into subgroups of asymptomatic HIV (AHIV) and acquired immunodeficiency syndrome (AIDS)...
March 29, 2024: Knee
https://read.qxmd.com/read/38521014/focal-resurfacing-of-the-knee-a-systematic-review-and-meta-analysis
#17
JOURNAL ARTICLE
Ester Mikova, Setor K Kunutsor, Meg Butler, James R Murray
PURPOSE: In order to assess the published validity of focal resurfacing of the knee, a systematic review and meta-analysis were conducted to (i) evaluate revision rates and implant survival of focal resurfacing of the knee; (ii) explore surgical complications; and (iii) evaluate patient reported clinical outcome measures. METHODS: PubMED, Cochrane Library and Medline databases were searched by 2 independent reviewers in February 2022 for prospective and retrospective cohort studies evaluating any of the following implant types: HemiCAP®, UniCAP®, Episealer® or BioBoly®...
March 22, 2024: Knee
https://read.qxmd.com/read/38513322/a-comprehensive-two-dimensional-scoring-system-to-assess-the-single-leg-squat-task-in-football-players
#18
JOURNAL ARTICLE
Stefano Di Paolo, Francesca Musa, Giovanni Maria d'Orsi, Alberto Grassi, Maria Chiara Vulpiani, Stefano Zaffagnini, Francesco Della Villa
BACKGROUND: The single-leg squat (SLS) is a safe and widespread functional test commonly performed in the mid-stages of rehabilitation after severe knee injuries. The use of reliable objective measures has been advocated to improve the quality of SLS assessment. The aim of this study was to describe a qualitative whole-body scoring system based on two-dimensional (2D) video analysis during SLS test and validate it against three-dimensional (3D) kinetics and kinematics. METHODS: Thirty-four competitive football (soccer) players performed a series of SLS tasks...
March 20, 2024: Knee
https://read.qxmd.com/read/38507890/a-rare-case-of-taper-junction-corrosion-in-semi-constrained-total-knee-arthroplasty
#19
Nnadozie Ekweariri, Ryan White, Nicholas Brown, Daniel Schmitt
Metallosis is a known yet rare late complication of unicompartmental and total knee arthroplasty (TKA), usually secondary to either metal-backed patellar component failure, mobile-bearing polyethylene dislocation, or catastrophic polyethylene failure and wear through. The majority of literature surrounding metallosis has been published in relation to total hip arthroplasty (THA) metal on metal bearing wear or mechanically assisted crevice corrosion.This case report describes the development of metallosis in a 77-year-old male patient with advanced (Kellgren-Lawrence Grade 4) osteoarthritis with associated valgus deformity, who underwent index TKA with a semiconstrained revision knee system due to intraoperative medial collateral ligament laxity...
March 19, 2024: Knee
https://read.qxmd.com/read/38492539/does-the-use-of-tibial-stem-extensions-reduce-the-risk-of-aseptic-loosening-in-obese-patients-undergoing-primary-total-knee-arthroplasty-a-systematic-review-and-meta-analysis
#20
REVIEW
Yushy Zhou, Siddharth Rele, Osama Elsewaisy
BACKGROUND: This study aimed to compare the risk of revision for aseptic loosening in obese (body mass index >30 kg/m2 ) patients with stemmed (ST) versus non-stemmed (NST) tibial implants in primary total knee arthroplasty (TKA). METHODS: A systematic review and meta-analysis were conducted following PRISMA and MOOSE guidelines. Studies reporting a direct comparison between ST and NST tibial implants in obese patients were included. The primary outcome of interest was revision for aseptic loosening...
March 15, 2024: Knee
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