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Knee valgus

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https://www.readbyqxmd.com/read/29028621/combining-valgus-knee-brace-and-lateral-foot-wedges-reduces-external-forces-and-moments-in-osteoarthritis-patients
#1
Amir Ali Jafarnezhadgero, Anderson S Oliveira, Seyed Hamed Mousavi, Morteza Madadi-Shad
Osteoarthritis progression can be related to the external knee adduction and flexion moments during walking. Lateral foot wedges and knee braces have been used as treatment for osteoarthritis, but little is known about their influence on knee joint moments generated in the sagittal and frontal planes. Therefore, the aim of the present study was determine the effects of the isolated and combined use of valgus knee brace and lateral wedge foot orthotic on peak forces and moments during gait in knee osteoarthritis patients...
October 5, 2017: Gait & Posture
https://www.readbyqxmd.com/read/29026941/neutral-alignment-leads-to-higher-knee-society-scores-after-total-knee-arthroplasty-in-preoperatively-non-varus-patients-a-prospective-clinical-study-using-3d-ct
#2
Omer Slevin, Anna Hirschmann, Filippo F Schiapparelli, Felix Amsler, Rolf W Huegli, Michael T Hirschmann
PURPOSE: The optimal coronal alignment is still under debate. However, in most of the studies, alignment was only assessed using radiographs, which are not accurate enough for assessment of tibial and femoral TKA position. The primary purpose of this study was to assess the relationship between coronal TKA alignment using 3D-reconstructed CTs and clinical outcome in patients with preoperative varus in comparison with patients with natural or valgus deformity. It was the hypothesis that neutral limb alignment shows a better outcome after TKA...
October 12, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/29020716/improving-joint-pain-and-function-in-osteoarthritis
#3
Claire Owens, Philip G Conaghan
Osteoarthritis has become a major chronic pain condition. It affects more than 10% of adults and accounts for almost 10% of health service resources. The impact of osteoarthritis is amplified by underuse of effective muscle strengthening exercises and a focus on often less effective and poorly tolerated analgesic therapies. Although traditionally considered to be primarily a disease of cartilage, there is now ample evidence that typical clinical osteoarthritis involves multiple tissue pathologies. Increased BMI is associated with a higher incidence of knee osteoarthritis...
December 2016: Practitioner
https://www.readbyqxmd.com/read/28993079/lateral-femoral-epicondylar-osteotomy-for-correction-of-fixed-valgus-deformity-in-total-knee-arthroplasty-a-technical-note
#4
Jacob M Conjeski, Giles R Scuderi
BACKGROUND: Multiple surgical techniques exist to restore limb alignment and to balance soft tissues in valgus knees during total knee arthroplasty (TKA). One technique is to perform a lateral femoral epicondylar osteotomy. METHODS: A retrospective analysis was performed on all patients with a fixed valgus deformity that was corrected with a lateral femoral epicondylar osteotomy during TKA. Preoperative and postoperative Knee Society Knee Scores, knee stability, range of motion, and radiographic alignment were recorded...
September 19, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28989151/-application-of-pie-crusting-the-medial-collateral-ligament-release-in-arthroscopic-surgery-for-posterior-horn-of-%C3%A2-medial-meniscus-in-knee-joint
#5
Weihong Zhu, Qi Tang, Lele Liao, Ding Li, Yang Yang, You Chen
To explore the effectiveness and safety of pie-crusting the medial collateral ligament release (MCL) in treating posterior horn of medial meniscus (PHMM) tear in tight medial tibiofemoral compartment of knee joint.
 Methods: Thirty-two consecutive patients with PHMM tear in tight medial tibiofemoral compartment of knee joint were admitted to our department from January, 2013 to December, 2014. All patients were performed pie-crusting the MCL release at its tibial insertion with 18-gauge intravenous needle...
September 28, 2017: Zhong Nan da Xue Xue Bao. Yi Xue Ban, Journal of Central South University. Medical Sciences
https://www.readbyqxmd.com/read/28983841/evidence-based-concepts-for-prevention-of-knee-and-acl-injuries-2017-guidelines-of-the-ligament-committee-of-the-german-knee-society-dkg
#6
Julian Mehl, Theresa Diermeier, Elmar Herbst, Andreas B Imhoff, Thomas Stoffels, Thore Zantop, Wolf Petersen, Andrea Achtnich
INTRODUCTION: Knee injuries and especially anterior cruciate ligament (ACL) tears are frequent in athletes. Therefore, primary and secondary prevention of sports-related lower limb injuries is an ongoing topic of interest. The aim of present study was to establish guidelines for the prevention of knee and ACL injuries on the basis of evidence-based concepts represented in current literature. METHODS: A comprehensive literature review regarding prevention programs for knee and ACL injuries was conducted...
October 5, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28979857/osteoarthritis-action-alliance-consensus-opinion-best-practice-features-of-anterior-cruciate-ligament-and-lower-limb-injury-prevention-programs
#7
Thomas Trojian, Jeffrey Driban, Rathna Nuti, Lindsay Distefano, Hayley Root, Cristina Nistler, Cynthia LaBella
AIM: To identify best practice features of an anterior cruciate ligament (ACL) and lower limb injury prevention programs (IPPs) to reduce osteoarthritis (OA). METHODS: This consensus statement started with us performing a systematic literature search for all relevant articles from 1960 through January 2017 in PubMed, Web of Science and CINAHL. The search strategy combined the Medical Subject Heading (MeSH) and keywords for terms: (1) ACL OR "knee injury" OR "anterior cruciate ligament"; (2) "prevention and control" OR "risk reduction" OR "injury prevention" OR "neuromuscular training"; and (3) meta-analysis OR "systematic review" OR "cohort study" OR randomized...
September 18, 2017: World Journal of Orthopedics
https://www.readbyqxmd.com/read/28978461/the-accuracy-of-the-projected-surgical-transepicondylar-axis-relative-to-the-true-surgical-transepicondylar-axis-in-total-knee-arthroplasty
#8
Takaaki Ohmori, Tamon Kabata, Yoshitomo Kajino, Tadashi Taga, Kazuhiro Hasegawa, Daisuke Inoue, Takashi Yamamoto, Tomoharu Takagi, Junya Yoshitani, Takuro Ueno, Tomohiro Ojima, Hiroyuki Tsuchiya
BACKGROUND: In TKA, we have used the "projected SEA", which is obtained by projecting the "true SEA" on the distal femoral cutting plane in clinical practice to determine the femoral component rotation. There are no reports examining the accuracy of the "projected SEA". In this study, we investigated the difference between the "true SEA" and "projected SEA". METHODS: The present study was a CT-based computer-simulated case series. We evaluated 34 knees without osteoarthritis changes...
October 1, 2017: Knee
https://www.readbyqxmd.com/read/28978460/three-dimensional-printed-patient-specific-cutting-guides-for-femoral-varization-osteotomy-do-it-yourself
#9
Juan Arnal-Burró, Rubén Pérez-Mañanes, Eudaldo Gallo-Del-Valle, Cristina Igualada-Blazquez, Manuel Cuervas-Mons, Javier Vaquero-Martín
INTRODUCTION: In valgus knees of young patients, opening-wedge distal femoral osteotomy is a valid treatment option for axial corrections. It allows the surgeon to achieve accurate correction, which is directly related to the functional outcome and survivorship of the osteotomy. This study presents a new technique based on three-dimensional (3D)-printed cutting guides for opening-wedge distal femoral osteotomies, in which pre-operative planning and intraoperative executional accuracy play a major role...
October 1, 2017: Knee
https://www.readbyqxmd.com/read/28977127/prevalence-of-genu-valgum-in-public-elementary-schools-in-the-city-of-santos-sp-brazil
#10
Maria Célia Cunha Ciaccia, Camila Nazareth Pinto, Fernanda da Costa Golfieri, Tales Ferreira Machado, Lívia Lopes Lozano, João Marcel Sanseverino Silva, Vera Esteves Vagnozzi Rullo
OBJECTIVE: To evaluate the prevalence of genu valgum and associated factors in elementary school students. METHODS: Cross-sectional study, carried out in 2015, with 1,050 children and adolescents enrolled in an elementary school in Santos, Southeast Brazil. Misalignment of the knee was assessed by intermalleolar distance, considering ≥8 cm or <8 cm. Inter-examiners reliability was measured by Kappa coefficient, resulting in 0.94. Nutritional status was evaluated according to the World Health Organization 2006 references...
September 21, 2017: Revista Paulista de Pediatria: Orgão Oficial da Sociedade de Pediatria de São Paulo
https://www.readbyqxmd.com/read/28974358/the-association-of-ankle-dorsiflexion-and-dynamic-knee-valgus-a-systematic-review-and-meta-analysis
#11
REVIEW
Yuri Lopes Lima, Victor Matheus Leite Mascarenhas Ferreira, Pedro Olavo de Paula Lima, Márcio Almeida Bezerra, Rodrigo Ribeiro de Oliveira, Gabriel Peixoto Leão Almeida
OBJECTIVE: The objective of this systematic review was to evaluate the association between ankle dorsiflexion (ADF) and dynamic knee valgus (DKV). METHODS: Electronic searches were conducted in MEDLINE, EMBASE, CINAHL and SPORTDiscus. A modified Downs and Black checklist was used for quality assessment and meta-analysis was performed to compare standardised mean differences (SMD) of ADF. RESULTS: Seventeen studies met the inclusion criteria...
July 19, 2017: Physical Therapy in Sport
https://www.readbyqxmd.com/read/28971359/baropodometry-on-patients-after-total-knee-arthroplasty
#12
A Notarnicola, G Maccagnano, A Fiore, A Spinarelli, L Montenegro, M Paoloni, F Pastore, S Tafuri, B Moretti
PURPOSE: It is well known that total knee replacement surgery decreases pain and improves function, but the effect on postural assessment needs to be studied better with the use of new technological devices. Total knee arthroplasty (TKA) improves motor coordination and stability of the knee. On the other hand, changing joint functionality can modify the balance. The aim of this trial is to record and analyze the static and dynamic baropodometric data of patients in the first few months following joint replacement...
October 3, 2017: Musculoskeletal Surgery
https://www.readbyqxmd.com/read/28970124/effects-of-toe-in-and-toe-in-with-wider-step-width-on-level-walking-knee-biomechanics-in-varus-valgus-and-neutral-knee-alignments
#13
Hunter J Bennett, Guangping Shen, Harold E Cates, Songning Zhang
BACKGROUND: Increased peak external knee adduction moments exist for individuals with knee osteoarthritis and varus knee alignments, compared to healthy and neutrally aligned counterparts. Walking with increased toe-in or increased step width have been individually utilized to successfully reduce 1st and 2nd peak knee adduction moments, respectfully, but have not previously been combined or tested among all alignment groups. The purpose of this study was to compare toe-in only and toe-in with wider step width gait modifications in individuals with neutral, valgus, and varus alignments...
September 29, 2017: Knee
https://www.readbyqxmd.com/read/28970122/the-development-and-validation-of-a-custom-built-device-for-assessing-frontal-knee-joint-laxity
#14
Shiek Abdullah Ismail, Milena Simic, Jillian L Clarke, Thiago Jambo Alves Lopes, Evangelos Pappas
INTRODUCTION: This study reports the development and validation of a quantitative technique of assessing frontal knee joint laxity through a custom built device named KLICP. The objectives of this study were to determine: (i) the intra- and inter-rater reliability and (ii) the validity of the device when compared to real time ultrasound. METHODS: Twenty-five participants had their frontal knee joint laxity assessed by the KLICP, by manual varus/valgus tests and by ultrasound...
September 29, 2017: Knee
https://www.readbyqxmd.com/read/28970120/an-anatomic-study-of-trifurcate-iliotibial-bands-for-correcting-valgus-knee-deformity
#15
Yu-Hang Zhu, Qin-Li Xu, Guo-Dong Liang, Yun-Tao Wu, You-Qiong Li, Qing-San Zhu
BACKGROUND: The iliotibial band (ITB) trifurcates into the anterior, central and posterior branches at the knee level, and sometimes the branches must be selectively released to correct the valgus knee deformity during total knee arthroplasty. However, the anatomical morphology of the trifurcate ITBs has not been investigated. METHODS: Fifty-two knees from 26 embalmed cadavers were dissected to observe and record the relationship of the three branches given off from the ITB trifurcation...
September 29, 2017: Knee
https://www.readbyqxmd.com/read/28969821/editorial-commentary-increased-risk-of-second-ruptures-and-poorer-outcomes-after-anterior-cruciate-ligament-injury-and-reconstruction-in-hypermobile-athletes-a-potential-synergism-of-passive-ligamentous-and-active-muscular-control-of-dynamic-knee-stability
#16
EDITORIAL
Timothy E Hewett
Graft failure rates were higher and inferior subjective outcomes were observed after anterior cruciate ligament reconstruction in patients with generalized hypermobility. This is a clear and corroborative finding that is highly consilient with other reports of similar studies from the published literature. However, controversy remains regarding other potentially predictive and confounding variables. For example, age, activity level, sex, and dynamic neuromuscular control were not considered in this interesting, important, and potentially impactful study...
October 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28969683/clinical-and-radiological-results-of-cruciate-retaining-total-knee-arthroplasty-with-the-nexgen%C3%A2-cr-system-comparison-of-patellar-resurfacing-versus-retention-with-more-than-14%C3%A2-years-of-follow-up
#17
Keun Churl Chun, Sung Hyun Lee, Jong Seok Baik, Seng Hwan Kook, Joung Kyue Han, Churl Hong Chun
BACKGROUND: The purpose of this study is to analyze clinical and radiological outcomes of patients (with a minimum of 14 years of follow-up) who underwent cruciate-retaining (CR) total knee arthroplasty (TKA) using a NexGen®-CR, comparing a patellar resurfacing group with a patellar retention group. METHODS: From June 1996 to April 2002, 116 cases of TKA using a NexGen®-CR who had at least 14 years of follow-up were enrolled in this study. Among them, 68 cases had patellar resurfacing and 48 had patellar retention...
October 2, 2017: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/28966378/patella-height-changes-post-high-tibial-osteotomy
#18
Siew Ghim Gooi, Chloe Xiao Yun Chan, Melvin Kian Loong Tan, Andrew Kean Seng Lim, Kandiah Satkunanantham, James Hoi Po Hui
BACKGROUND: Medial opening wedge high tibial osteotomy (HTO) is a well-described treatment in early medial compartmental osteoarthritis of the knee. However, two undesirable sequelae may follow -patella baja and changes in the posterior tibial slope (TS). MATERIALS AND METHODS: We conducted a retrospective study in patients who underwent HTO in our center between September 2009 and February 2017. Preoperative and 6-week postoperative long-leg weight bearing films and lateral knee radiographs were assessed...
September 2017: Indian Journal of Orthopaedics
https://www.readbyqxmd.com/read/28963153/do-varus-or-valgus-outliers-have-higher-forces-in-the-medial-or-lateral-compartments-than-those-which-are-in-range-after-a-kinematically-aligned-total-knee-arthroplasty-limb-and-joint-line-alignment-after-kinematically-aligned-total-knee-arthroplasty
#19
T J Shelton, A J Nedopil, S M Howell, M L Hull
AIMS: The aims of this study were to determine the proportion of patients with outlier varus or valgus alignment in kinematically aligned total knee arthroplasty (TKA), whether those with outlier varus or valgus alignment have higher forces in the medial or lateral compartments of the knee than those with in-range alignment and whether measurements of the alignment of the limb, knee and components predict compartment forces. PATIENTS AND METHODS: The intra-operative forces in the medial and lateral compartments were measured with an instrumented tibial insert in 67 patients who underwent a kinematically aligned TKA during passive movement...
October 2017: Bone & Joint Journal
https://www.readbyqxmd.com/read/28953661/comparison-of-kinematic-and-mechanical-alignment-techniques-in-primary-total-knee-arthroplasty-a-meta-analysis
#20
Jung-Ro Yoon, Seung-Beom Han, Min-Kyo Jee, Young-Soo Shin
BACKGROUND: This meta-analysis compared clinical and radiographic outcomes and complications of kinematic alignment (KA) and mechanical alignment (MA) techniques in primary total knee arthroplasty (TKA). METHODS: All studies comparing the operation time, change in hemoglobin, length of hospital stay, postoperative complications, and clinical and radiographic outcomes as assessed with various measurement tools, from direct interview to imaging methods, in patients who underwent primary TKA through the KA or MA technique were included...
September 2017: Medicine (Baltimore)
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