keyword
https://read.qxmd.com/read/33838527/evaluation-of-amplitude-and-frequency-based-techniques-for-attenuating-inertia-based-movement-artifact-during-surface-translation-perturbations
#1
Taylor B Winberg, Daniel R Martel, Thomas B Hoshizaki, Andrew C Laing
BACKGROUND: Surface translations are a method of perturbing an individual's balance to evoke balance control responses. However, the force plates used to measure kinetic responses often contain artifacts due to inertial properties coupled with the dynamics of surface translation perturbations. Techniques to attenuate these movement artifacts are not well established within the literature. RESEARCH QUESTION: Are amplitude- or frequency-based subtraction processing techniques effective at attenuating inertia-based movement artifacts in kinetic signals during surface translations? METHODS: One-hundred and two backward surface translations were analyzed from five participants...
March 26, 2021: Gait & Posture
https://read.qxmd.com/read/33838454/self-regulation-task-in-young-school-age-children-born-preterm-correlation-with-early-academic-achievement
#2
Carolyn Sawyer, Julia Adrian, Roger Bakeman, Martha Fuller, Natacha Akshoomoff
BACKGROUND: Children born preterm are at risk for difficulties in executive function (EF), however there are limited tools to assess EF in young children and it is not fully understood how these early deficits are related to emerging academic skills. AIMS: To examine (a) early EF differences in young children born preterm, (b) how a measure of behavioral self-regulation correlates with other measures of EF in children born preterm, and (c) how this measure relates to academic outcomes in children born preterm...
March 26, 2021: Early Human Development
https://read.qxmd.com/read/33838252/infographics-are-more-effective-at-increasing-social-media-attention-and-academic-impact-in-comparison-to-original-research-articles-an-altmetrics-based-analysis
#3
Kyle N Kunze, Amar Vadhera, Ritika Purbey, Harsh Singh, Gregory S Kazarian, Jorge Chahla
PURPOSE: To compare social media attention and citation rates between infographics (visual abstracts) and original research articles. METHODS: All infographics in 2019 from electronic versions of Arthroscopy were matched by topic to articles in the "Original Research" section of the journal in a 4:1 ratio within the same year. The primary outcome was the Altmetric Attention Score (AAS), a cumulative measure of social media attention from various platforms such as Twitter and Facebook...
April 7, 2021: Arthroscopy
https://read.qxmd.com/read/33838141/the-effect-of-a-psychologically-informed-intervention-to-treat-adolescents-with-patellofemoral-pain-a-randomized-controlled-trial
#4
Mitchell Selhorst, Alicia Fernandez-Fernandez, Laura Schmitt, Jessica Hoehn
OBJECTIVE: To determine if the addition of a brief psychologically-informed video to traditional physical therapy influenced function (primary aim), pain, and psychological beliefs (secondary aims) among adolescents with patellofemoral pain (PFP). DESIGN: Double-blind randomized controlled trial. SETTING: Outpatient physical therapy clinics of a single pediatric hospital. PARTICIPANTS: Sixty-six adolescents with PFP (14...
April 7, 2021: Archives of Physical Medicine and Rehabilitation
https://read.qxmd.com/read/33838084/sensory-voluntary-and-motor-postural-control-in-children-and-adolescents-with-mucopolysaccharidosis
#5
Oznur Yigit, Songul Aksoy, Umut Akyol, Aysegul Tokatlı, Hatice Serap Sivri
OBJECTIVES: This study aimed to investigate automatic and voluntary motor control performances, which have an important function in maintaining balance, in children and adolescents with mucopolysaccharidosis (MPS). METHODS: The records of 70 patients were retrospectively analyzed. The results of Computerized Dynamic Posturography (CDP) performed according to the age and development of the individuals were examined. The results of 10 children and adolescents with MPS (mean age: 9...
April 12, 2021: Journal of Pediatric Endocrinology & Metabolism: JPEM
https://read.qxmd.com/read/33837812/the-histopathological-synovitis-score-is-influenced-by-biopsy-location-in-patients-with-knee-osteoarthritis
#6
Haider Mussawy, Jozef Zustin, Andreas M Luebke, André Strahl, Veit Krenn, Wolfgang Rüther, Tim Rolvien
INTRODUCTION: Osteoarthritis (OA) and rheumatoid arthritis (RA) represent the most common forms of arthritis, which are mainly caused by mechanical and inflammatory components, respectively. Determination of synovial inflammation in synovial biopsies via the histopathological Krenn score may be crucial for correct diagnosis and treatment. Specifically, it remains unclear whether synovitis scores differ among multiple biopsy locations within a single joint. MATERIALS AND METHODS: Eighty synovial samples were taken from four standardized regions of the knee in 20 patients (ten primary OA, ten secondary OA) undergoing total knee arthroplasty (TKA) or total synovectomy...
April 10, 2021: Archives of Orthopaedic and Trauma Surgery
https://read.qxmd.com/read/33837809/centrally-sensitized-patients-undergoing-total-knee-arthroplasty-have-higher-expectations-than-do-non-centrally-sensitized-patients
#7
Man Soo Kim, In Jun Koh, Keun Young Choi, Gang Ik Ju, Yong In
PURPOSE: The goal of this retrospective observational study is to determine whether patients with and without central sensitization (CS) undergoing total knee arthroplasty (TKA) have similar preoperative expectations. It was hypothesized that the degree of preoperative expectations is higher in patients with CS than in those without. METHODS: The data of 324 patients who underwent primary unilateral TKA for knee osteoarthritis were reviewed and CS was measured using the Central Sensitization Inventory (CSI), which is a validated self-reported questionnaire consisting of a total of 25 questions...
April 10, 2021: Knee Surgery, Sports Traumatology, Arthroscopy
https://read.qxmd.com/read/33837808/significant-increase-in-quantity-and-quality-of-knee-arthroplasty-related-research-in-kssta-over-the-past-15-years
#8
Stephanie Kirschbaum, Thilo Kakzhad, Fabian Granrath, Andrzej Jasina, Jakub Oronowicz, Carsten Perka, Sebastian Kopf, Clemens Gwinner, Matthias Pumberger
PURPOSE: This study aimed to evaluate both publication and authorship characteristics in Knee Surgery, Sports Traumatology, Arthroscopy journal (KSSTA) regarding knee arthroplasty over the past 15 years. METHODS: PubMed was searched for articles published in KSSTA between January 1, 2006, and December 31st, 2020, utilising the search term 'knee arthroplasty'. 1288 articles met the inclusion criteria. The articles were evaluated using the following criteria: type of article, type of study, main topic and special topic, use of patient-reported outcome scores, number of references and citations, level of evidence (LOE), number of authors, gender of the first author and continent of origin...
April 10, 2021: Knee Surgery, Sports Traumatology, Arthroscopy
https://read.qxmd.com/read/33837807/unicompartmental-knee-arthroplasty-the-italian-version-of-the-forgotten-joint-score-12-is-valid-and-reliable-to-assess-prosthesis-awareness
#9
Umile Giuseppe Longo, Sergio De Salvatore, Calogero Di Naro, Gaia Sciotti, Giada Cirimele, Ilaria Piergentili, Maria Grazia De Marinis, Vincenzo Denaro
PURPOSE: Unicompartmental Knee Arthroplasty (UKA) recorded an increased incidence of around 30% per year in the United States. Patient's experience and satisfaction after surgery were traditionally assessed by pre, and post-surgical scores and Patient-Reported Outcome Measures (PROMs) scales. Traditional scales as Western Ontario and McMaster University Osteoarthritis Index (WOMAC) and Oxford Knee Score (OKS) reported high ceiling effect. Patients treated by UKA usually perform well; therefore, it is necessary to have a PROMs' scale with a low ceiling effect as the Forgotten Joint Score-12 (FJS-12)...
April 10, 2021: Knee Surgery, Sports Traumatology, Arthroscopy
https://read.qxmd.com/read/33837616/better-precision-of-a-new-robotically-assisted-system-for-total-knee-arthroplasty-compared-to-conventional-techniques-a-sawbone-model-study
#10
Zheng Li, Xin Chen, Xiaofeng Zhang, Jun Yan, Youdong Song, Yujia Kong, Jin Lin
BACKGROUND: The purpose of this study was to compare the accuracy of this new HURWA robotic-assisted TKA technique to the accuracy of the conventional technique in a sawbone model. METHODS: The HURWA robotic-assisted TKA system was applied in the robotic group. After bone resection, all of these sawbones were scanned by the use of a structured light scanning system. Measurements of bone resections, femoral coronal and sagittal measurements, and tibial coronal and sagittal measurements, were recorded...
April 10, 2021: International Journal of Medical Robotics + Computer Assisted Surgery: MRCAS
https://read.qxmd.com/read/33837592/functional-and-molecular-adaptations-of-quadriceps-and-hamstring-muscles-to-blood-flow-restricted-training-in-patients-with-acl-rupture
#11
Alan Kacin, Matej Drobnič, Tomaž Marš, Katarina Miš, Maja Petrič, Daša Weber, Tina Tomc Žargi, David Martinčič, Sergej Pirkmajer
Effects of low-load blood flow restricted (LL-BFR) training remain unexplored in patients with ACL rupture. Our hypothesis was that LL-BFR training triggers augmented gains in knee muscle strength and size, which are paralleled with transcriptional responses of hypoxia-regulated genes and myokines. Eighteen volunteers (age 37.5 ± 9 yrs.) planned for ACL reconstruction, participated in the study. Twelve were divided between BFR group, performing 9 sessions of LL-BFR exercise, and SHAM-BFR group, performing equal training with sham vascular occlusion...
April 10, 2021: Scandinavian Journal of Medicine & Science in Sports
https://read.qxmd.com/read/33837279/coronal-and-axial-alignment-relationship-in-caucasian-patients-with-osteoarthritis-of-the-knee
#12
Vicente J León-Muñoz, Silvio Manca, Mirian López-López, Francisco Martínez-Martínez, Fernando Santonja-Medina
Individualized pre-operative assessment of the patterns of the lower extremity anatomy and deformities in patients undergoing total knee arthroplasty seems essential for a successful surgery. In the present study, we investigated the relationship among the coronal alignment and the rotational profile of the lower extremities in the Caucasian population with end-stage knee osteoarthritis. We conducted a prospective study of 385 knees that underwent a pre-operative three-dimensional computed tomography-based model...
April 9, 2021: Scientific Reports
https://read.qxmd.com/read/33836824/efficacy-and-safety-of-sprifermin-injection-for-knee-osteoarthritis-treatment-a-meta-analysis
#13
REVIEW
Ni Zeng, Xin-Yuan Chen, Zhi-Peng Yan, Jie-Ting Li, Tao Liao, Guo-Xin Ni
OBJECTIVE: To perform a meta-analysis comparing the structural progression and clinical symptom outcomes as well as adverse events experienced from intra-articular injections of sprifermin compared to a placebo treatment for patients with knee osteoarthritis (KOA). METHOD: We systematically searched the literature for studies that compared long-term outcomes between sprifermin and placebo injections for KOA treatment. Meta-analysis was performed with RevMan5.3 using an inverse variance approach with fixed or random effects models...
April 9, 2021: Arthritis Research & Therapy
https://read.qxmd.com/read/33836820/correlations-between-isokinetic-knee-torques-and-single-leg-hop-distances-in-three-directions-in-patients-after-acl-reconstruction
#14
Junya Aizawa, Kenji Hirohata, Shunsuke Ohji, Takehiro Ohmi, Sho Mitomo, Hideyuki Koga, Kazuyoshi Yagishita
BACKGROUND: When planning rehabilitation and conditioning for performance enhancement and a return to sports after anterior cruciate ligament reconstruction, identifying the elements of physical function associated with single-leg hop is important. The purpose of this study was to clarify the relationship between single-leg hop distances in three directions and knee extensor and flexor strengths at 6 months after reconstruction. METHODS: Participants were 47 patients taking part in training sessions for sports involving cutting, pivoting, and jump-landing 6 months after reconstruction using a hamstring tendon...
April 9, 2021: BMC Sports Science, Medicine and Rehabilitation
https://read.qxmd.com/read/33836490/the-quantitative-influence-of-current-treatment-options-on-patellofemoral-stability-in-patients-with-trochlear-dysplasia-and-symptomatic-patellofemoral-instability-a-finite-element-simulation
#15
Dominik Kaiser, Linus Trummler, Tobias Götschi, Felix W A Waibel, Jess G Snedeker, Sandro F Fucentese
BACKGROUND: Trochlear dysplasia is highly associated with patellofemoral instability. The goal of conservative and surgical treatment is to stabilize the patella while minimizing adverse effects. However, there is no literature investigating the quantitative influence of different treatment options on patellofemoral stability in knees with trochlear dysplasia. We created and exploited a range of finite element models to address this gap in knowledge. METHODS: MRI data of 5 knees with trochlear dysplasia and symptomatic patellofemoral instability were adapted into this previously established model...
March 27, 2021: Clinical Biomechanics
https://read.qxmd.com/read/33836302/extreme-stiff-knee-recurvatum-following-manipulation-under-anesthesia-and-botulinum-neurotoxin-injection
#16
Konstantinos Tilkeridis, Dimitrios Diamantidis, Anthimos Keskinis, Konstantinos Paraskevopoulos, Christos Chatzipapas, Kenan Gagali, Athanasios N Ververidis
In this article we report a case of stiff, neglected extreme recurvatum knee deformity in a 17-year-old female. This is the first reported case in the literature of an acquired ligamentous stiff extreme knee recurvatum following manipulation under anesthesia and botulinum neurotoxin injection. Μodified Judet quadricepsplasty combined with Ilizarov external hinged frame fixation was implemented. This dual technique can be considered as a rational approach for such an extreme deformity as it stabilizes, progressively corrects, and prevents recurrence...
April 6, 2021: Knee
https://read.qxmd.com/read/33836282/influence-of-reduction-quality-on-functional-outcome-and-quality-of-life-in-the-surgical-treatment-of-tibial-plateau-fractures-a-retrospective-cohort-study
#17
Nils Beisemann, Sven Yves Vetter, Holger Keil, Benedict Swartman, Marc Schnetzke, Jochen Franke, Paul Alfred Grützner, Maxim Privalov
BACKGROUND: Despite a substantial improvement in the operative treatment of tibial plateau fractures, the surgical procedure remains controversial and is generally challenging, as patients may develop postoperative arthritis and functional impairment of the knee joint. HYPOTHESIS: In the surgical treatment of tibial plateau fractures the intraoperative reposition quality has the greatest influence on the postoperative outcome, whereby misalignments of >/= 2 mm lead to a worse result...
April 6, 2021: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://read.qxmd.com/read/33835994/popliteal-artery-occlusion-with-collateral-blood-flow-in-a-reducible-knee-dislocation-during-pregnancy-a-case-report
#18
Christopher A Schneble, Joseph B Kahan, Patrick J Burroughs, Adam Y Nasreddine, Bauer E Sumpio, Michael J Medvecky
CASE: A 29-year-old healthy woman, 19 weeks pregnant, sustained a right posterolateral knee dislocation with multiligamentous injury and a complete occlusive injury to the right popliteal artery yet had adequate distal perfusion. She declined operative management for both the knee dislocation and the arterial injury, and successful collaboration between obstetrical, vascular, and orthopaedic surgical services resulted in limb preservation and restoration of function. CONCLUSION: This is a unique case of traumatic complete popliteal artery occlusion with adequate collateral arterial perfusion after a reducible posterolateral knee dislocation in a pregnant patient that resulted in limb preservation with nonoperative management...
April 9, 2021: JBJS Case Connector
https://read.qxmd.com/read/33835246/impact-of-covid-19-on-the-practice-of-orthopaedics-and-trauma-an-epidemiological-study-of-the-full-pandemic-year-of-a-tertiary-care-centre-of-new-delhi
#19
Raju Vaishya, Abhishek Vaish, Ashok Kumar
PURPOSE: In an observational study, we studied the impact of COVID-19 pandemic on our clinical practice of trauma and orthopaedics, in tertiary care hospital of New Delhi. METHODS: We collated the hospital data for 2019 and 2020 and analyzed and compared it extensively. We looked for the effects of the COVID-19 pandemic on several important clinical practice parameters like outpatient attendance, inpatients admissions, and surgery. The correlation of the number of surgeries done during the pandemic time was done with the number of positive cases in Delhi, monthwise...
April 9, 2021: International Orthopaedics
https://read.qxmd.com/read/33835240/deep-learning-approach-to-predict-pain-progression-in-knee-osteoarthritis
#20
Bochen Guan, Fang Liu, Arya Haj Mizaian, Shadpour Demehri, Alexey Samsonov, Ali Guermazi, Richard Kijowski
OBJECTIVE: To develop and evaluate deep learning (DL) risk assessment models for predicting pain progression in subjects with or at risk of knee osteoarthritis (OA). MATERIALS AND METHODS: The incidence and progression cohorts of the Osteoarthritis Initiative, a multi-center longitudinal study involving 9348 knees in 4674 subjects with or at risk of knee OA that began in 2004 and is ongoing, were used to conduct this retrospective analysis. A subset of knees without and with pain progression (defined as a 9-point or greater increase in pain score between baseline and two or more follow-up time points over the first 48 months) was randomly stratified into training (4200 knees with a mean age of 61...
April 9, 2021: Skeletal Radiology
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