keyword
https://read.qxmd.com/read/38532343/phenome-wide-causal-associations-between-osteoarthritis-and-other-complex-traits-through-the-latent-causal-variable-analysis
#1
JOURNAL ARTICLE
Lin Mei, Zhiming Zhang, Ruiqi Chen, Zhihong Li
BACKGROUND: Individuals with osteoarthritis present with comorbidities, and the potential causal associations remain incompletely elucidated. The present study undertook a large-scale investigation about the causality between osteoarthritis and variable traits, using the summary-level data of genome-wide association studies (GWAS). METHODS: The present study included the summary-level GWS data of knee osteoarthritis, hip osteoarthritis, hip or knee osteoarthritis, hand osteoarthritis, and other 1355 traits...
March 26, 2024: BMC Musculoskeletal Disorders
https://read.qxmd.com/read/38529300/erratum-to-fixed-distal-femoral-resection-with-a-valgus-cutting-angle-of-3%C3%A2-is-more-appropriate-in-intra-articular-valgus-deformity-than-juxta-articular-valgus-deformity-in-total-knee-arthroplasty-a-retrospective-single-center-study
#2
https://read.qxmd.com/read/38527689/change-of-joint-line-convergence-angle-and-other-coronal-alignments-after-total-hip-arthroplasty
#3
JOURNAL ARTICLE
Ho Hyun Yun, Woo-Seung Lee, Junwoo Park, Yun Seong Choi
BACKGROUND: The purpose of this study was to determine the unloading effect of total hip arthroplasty (THA) on the ipsilateral knee joint through the joint line convergence angle (JLCA) change and determine the changes in other coronal radiographic parameters after THA, and evaluate the sensitivity of JLCA. PATIENTS AND METHODS: We retrospectively assessed 70 patients who underwent unilateral THA. Hip parameters such as neck shaft angle (NSA), neck length, and femoral offset and coronal alignment parameters of the lower extremity such as hip-knee-ankle angle (HKA), femur length, mechanical lateral distal femoral angle (mLDFA), JLCA, medial proximal tibial angle (MPTA), lateral distal tibial angle (LDTA), and plafond talus angle (PTA) were measured in the operative and non-operative sides...
March 23, 2024: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://read.qxmd.com/read/38524890/video-analysis-of-anterior-cruciate-ligament-injuries-in-male-professional-basketball-players-injury-mechanisms-situational-patterns-and-biomechanics
#4
JOURNAL ARTICLE
Filippo Tosarelli, Matthew Buckthorpe, Stefano Di Paolo, Alberto Grassi, Gil Rodas, Stefano Zaffagnini, Gianni Nanni, Francesco Della Villa
BACKGROUND: Improving our understanding of the situations and biomechanics that result in an anterior cruciate ligament (ACL) injury in basketball players may support the design of more effective programs to mitigate the risk of injury. PURPOSE: To (1) describe the mechanisms, situational patterns, and gross biomechanics (kinematics) of ACL injuries in professional basketball matches using video analysis and (2) document the distribution of ACL injuries according to player position, phase of the match, and location on the court...
March 2024: Orthopaedic Journal of Sports Medicine
https://read.qxmd.com/read/38524888/biomechanical-comparison-of-ulnar-collateral-ligament-reconstruction-between-palmaris-longus-autograft-and-knee-medial-collateral-ligament-allograft
#5
JOURNAL ARTICLE
Michael A Stone, Linda Chao, Dave T Huang, Harin B Parikh, Michael Sun, David A Kulber, Melodie F Metzger
BACKGROUND: Medial ulnar collateral ligament (mUCL) injury can cause significant pain and alter throwing mechanics. Common autograft options for mUCL reconstruction (UCLR) include the palmaris longus (PL) and hamstring tendons. Allograft use may reduce donor site morbidity and decrease function related to PL autografts. PURPOSE: To compare varus stability and load to failure between a novel allograft for UCLR-knee medial collateral ligament (kMCL)-and a PL autograft in human donor elbow specimens...
March 2024: Orthopaedic Journal of Sports Medicine
https://read.qxmd.com/read/38524710/knee-laxities-changes-with-sex-steroids-throughout-the-menstrual-cycle-phases-in-athlete-and-non-athlete-females
#6
JOURNAL ARTICLE
Firouzeh Dehghan, Rahman Soori, Ashril Yusof
Objective:  Our study investigated changes of knee laxities in athletes and non-athletes females and relationship between knee laxity and sex-steroid at menstrual cycle phases. Methods:  Forty six healthy females, twenty four athletes and twenty two non-athletes not on hormone contraceptive pills, had no previous knee injuries and with regular menstrual cycles for 3 consecutive months, participated in the study. Medial and lateral knee laxities were determined by varus-valgus tests at follicular, ovulatory and luteal phases...
February 2024: Revista Brasileira de Ortopedia
https://read.qxmd.com/read/38518959/outcomes-of-image-free-robotic-assisted-total-knee-arthroplasty-in-patients-who-have-valgus-knee-deformities
#7
JOURNAL ARTICLE
Alaka Gorur, Natalia Czerwonka, Mouhanad M El-Othmani, Michael B Held, Alexander L Neuwirth, Jeffrey A Geller
BACKGROUND: Valgus knee deformities pose a unique challenge in total knee arthroplasty (TKA) due to the complexity of achieving ligamentous balance and satisfactory alignment compared to varus or neutral deformities. Robotic-assisted (RA) TKA could aid in achieving improved component alignment and balance. METHODS: We retrospectively evaluated a matched cohort of patients to compare image-free RA-TKA (n = 44) versus conventional manual (CM) TKA (n = 30) techniques in patients who have valgus deformity of 5 to 15 degrees, including radiographic and patient-reported outcomes measures (PROM) over a 3-year period...
March 20, 2024: Journal of Arthroplasty
https://read.qxmd.com/read/38513322/a-comprehensive-two-dimensional-scoring-system-to-assess-the-single-leg-squat-task-in-football-players
#8
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/38510055/exercise-quantification-from-single-camera-view-markerless-3d-pose-estimation
#9
JOURNAL ARTICLE
Clara Mercadal-Baudart, Chao-Jung Liu, Garreth Farrell, Molly Boyne, Jorge González Escribano, Aljosa Smolic, Ciaran Simms
Sports physiotherapists and coaches are tasked with evaluating the movement quality of athletes across the spectrum of ability and experience. However, the accuracy of visual observation is low and existing technology outside of expensive lab-based solutions has limited adoption, leading to an unmet need for an efficient and accurate means to measure static and dynamic joint angles during movement, converted to movement metrics useable by practitioners. This paper proposes a set of pose landmarks for computing frequently used joint angles as metrics of interest to sports physiotherapists and coaches in assessing common strength-building human exercise movements...
March 30, 2024: Heliyon
https://read.qxmd.com/read/38509382/effect-of-non-vascularized-fibular-harvest-on-the-donor-limb-radiological-evaluation-at-a-mean-follow-up-of-%C3%A2-twelve-point-eight%C3%A2-years
#10
JOURNAL ARTICLE
Anil Agarwal, Ankitha Ks, Kishmita Sachdeva, Lokesh Sharma D, Varun Garg
PURPOSE: The study is aimed at evaluating the long-term (at a minimum follow-up of 10 years) impact of non-vascularized fibular harvest on the donor limbs. METHODS: There were 27 donor limbs (n = 19 children) available for retrospective radiological review. The graft was obtained bilaterally in eight patients. The following parameters were evaluated in the follow-up radiographs: continuity/non-continuity of fibular regenerate, width of the regenerated fibula, distal fibular station, medial proximal tibial angle, posterior proximal tibial angle, lateral distal tibial angle (LDTA), anterior distal tibial angle, and tibia diaphyseal angulation (interphyseal angles)...
March 20, 2024: International Orthopaedics
https://read.qxmd.com/read/38508380/-not-available
#11
REVIEW
R Morales Avalos, E M Torres-González, J R Padilla-Medina, J C Monllau
BACKGROUND: The different bony and soft tissue reference points and the micro and macroscopic structures of the knee continue to be the object of focused study and analysis. Upon reviewing the most recent literature, we saw the wide spectrum of studies that seek to define the different anatomical aspects of the anterior cruciate ligament (ACL). PURPOSE: The purpose of this paper is to review the most recent publications on the ACL and its morphology in which its microscopic composition and macroscopic anatomy are addressed...
March 18, 2024: Revista Española de Cirugía Ortopédica y Traumatología
https://read.qxmd.com/read/38507890/a-rare-case-of-taper-junction-corrosion-in-semi-constrained-total-knee-arthroplasty
#12
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/38506121/deformity-in-valgus-knee-malalignment-is-not-only-in-the-femur-but-also-in-tibia-or-both-based-on-demographic-and-morphological-analysis-before-and-after-knee-osteotomies
#13
JOURNAL ARTICLE
Jae-Sung An, Christophe Jacquet, Glauco Loddo, Ahmed Mabrouk, Hideyuki Koga, Jean-Noël Argenson, Matthieu Ollivier
PURPOSE: This study aims to identify the demographic and morphological features of valgus knee deformity with unilateral osteoarthritic knee in the coronal plane. A secondary aim was to identify the distinct phenotypes of valgus knees in Hirschmann's phenotype and the coronal plane alignment of the knee (CPAK) classifications before and after a knee osteotomy (KO). METHODS: A total of 107 patients (57 female and 50 male) with a mean age of 42.4 ± 17...
March 20, 2024: Knee Surgery, Sports Traumatology, Arthroscopy
https://read.qxmd.com/read/38505894/robotic-arm-assisted-total-knee-arthroplasty-anatomical-alignment-and-mid-term-outcomes-from-the-first-cohort-originating-in-greece
#14
JOURNAL ARTICLE
Konstantinos Dretakis, Vasilios G Igoumenou, Symeon Naoum, Konstantinos Raptis, Christos Koutserimpas
Robotic arm-assisted total knee arthroplasty (RATKA) represents a haptic assistive robotic arm used for bone preparation. The purpose of this study was to present implant survivorship, complications and evaluate patients' satisfaction, clinical and functional outcome of RATKA with a minimum of 1-year follow-up. The Oxford Knee Score was recorded preoperatively and at last follow-up. Patients' satisfaction rates, as well as complications and re-operations were studied. Anatomical alignment including varus, valgus deformities and flexion, extension, pre-and postoperatively were evaluated...
2024: Journal of Long-term Effects of Medical Implants
https://read.qxmd.com/read/38505713/%C3%AF-editors-choice%C3%AF-the-relationship-between-preoperative-foot-alignment-and-postoperative-outcomes-in-patients-who-underwent-initial-total-knee-arthroplasty
#15
JOURNAL ARTICLE
Aika Hishida, Hideki Hiraiwa, Izumi Kadono, Hidetoshi Yamaguchi, Takashi Okada, Chiaki Terai, Azusa Kayamoto, Yoshihiro Nishida
We compared the relationship between foot alignments and quality of life in patients who underwent initial total knee arthroplasty (TKA). Among the patients with knee osteoarthritis (KOA) who underwent TKA from May 2015 to May 2017 at our hospital, we focused on those in whom weight-bearing foot radiographs had been evaluated preoperatively. The hallux valgus angle and Meary angle were measured by preoperative radiography, and those with hallux valgus angles of 20 degrees or more were classified into the hallux valgus (HV) group, and those with Meary angles of 4 degrees or more into the high arch (HA) group...
February 2024: Nagoya Journal of Medical Science
https://read.qxmd.com/read/38504509/tibia-first-gap-balanced-patient-specific-alignment-restores-bony-phenotypes-and-joint-line-obliquity-in-a-great-majority-of-varus-and-straight-knees-and-normalises-valgus-and-severe-varus-deformities
#16
JOURNAL ARTICLE
Heiko Graichen, George Mihai Avram, Marco Strauch, Verena Kaufmann, Michael T Hirschmann
PURPOSE: The present study focuses on testing the capability of a restricted tibia-first, gap-balanced patient-specific alignment technique (PSA) to restore bony morphology and phenotypes. METHODS: Three-hundred and sixty-seven patients were treated with navigated total knee arthroplasty and tibia-first gap-balanced PSA technique. Boundaries for medial proximal tibial angle were 86°-92°, mechanical lateral distal femoral angle 86°-92°, and hip-knee-ankle angle 175°-183°...
March 19, 2024: Knee Surgery, Sports Traumatology, Arthroscopy
https://read.qxmd.com/read/38504019/epiphyseal-fixation-in-revision-total-knee-arthroplasty-a-comparison-between-trabecular-metal-and-titanium-augments
#17
JOURNAL ARTICLE
Vincenzo Franceschini, Giuseppe Cavallo, Alfredo Lamberti, Francesco Pastore, Luca Montenegro, Andrea Baldini
INTRODUCTION: The purpose of this retrospective study was to compare the medium-term clinical and radiographic outcomes of two series of patients treated for revision TKA: one implanted with trabecular metal (TM) augments and one implanted with classic titanium augments. MATERIALS AND METHODS: A total of 85 patients with a type 2 AORI defect underwent revision TKA and were treated either with TM epiphyseal augments directly screwed in the bone or with traditional titanium augments...
March 19, 2024: Archives of Orthopaedic and Trauma Surgery
https://read.qxmd.com/read/38500546/evaluation-of-hop-test-movement-quality-to-enhance-return-to-sport-testing-a-cross-sectional-study
#18
JOURNAL ARTICLE
Melanie Weber, Mirjam Müller, Moritz Mathieu-Kälin, Sandro Caminada, Marina Häberli, Heiner Baur
INTRODUCTION: Return to Sport tests with functional hop tests are often used to decide when a person is ready to return to sport after an anterior cruciate ligament (ACL) injury. Poor movement quality, such as knee valgus, hip adduction and hip internal rotation is considered a risk factor for ACL injury. However, it is unclear whether existing tests adequately cover the aspect of movement quality. This study aims to investigate whether there is a relationship between the calculated limb symmetry index (LSI) of hop tests as an indication of performance and the total score of the "Quality First" assessment (movement quality)...
2024: Frontiers in sports and active living
https://read.qxmd.com/read/38497787/acute-pre-and-post-competitive-soccer-match-play-changes-in-neuromuscular-factors-physical-performance-and-muscle-response-in-youth-male-players
#19
JOURNAL ARTICLE
Imanol Martin-Garetxana, Jonathan Hughes, Mark De Ste Croix, Jon Larruskain, Jose A Lekue, Francisco Ayala
There is a paucity of literature analyzing the impact of fatigue from actual competitive soccer match-play on measures of neuromuscular function and muscle damage markers in youth players. Aims The main purpose was to analyze the acute pre- and post-competitive soccer match-play changes in measures of landing mechanics, stretch-shortening cycle capability, physical performance, muscle damage, and match intensity. A secondary purpose was to explore whether the players' maturity status and chronological age were associated with post-soccer match-play responses...
March 18, 2024: Science & medicine in football
https://read.qxmd.com/read/38496335/effect-of-varus-producing-distal-femoral-osteotomy-and-high-tibial-osteotomy-on-compartment-pressures-and-contact-area-at-varying-degrees-of-knee-flexion
#20
JOURNAL ARTICLE
Jordan Liles, Justin Brown, Justin Hollenbeck, Michael Foster, Charles Su, Matthew Vopat, Alex Garcia, Armando Vidal
BACKGROUND: In patients with valgus alignment and degenerative changes in the lateral compartment, both distal femoral osteotomy (DFO) and high tibial osteotomy (HTO) can be used to unload the lateral compartment. Prior studies have shown that in valgus knees, the tibial wear is posterior and DFO exerts the greatest effect in extension; however, its effect is decreased as flexion angle rises. HYPOTHESIS: Medial closing-wedge (MCW) HTO would significantly decrease contact area, mean contact pressure (MCP), and peak contact pressure (PCP) in the lateral knee compartment through knee flexion to a greater extent compared with lateral opening-wedge (LOW) DFO...
March 2024: Orthopaedic Journal of Sports Medicine
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