keyword
https://read.qxmd.com/read/34325481/a-template-for-physical-resilience-research-in-older-adults-methods-of-the-prime-knee-study
#1
Heather E Whitson, Donna Crabtree, Carl F Pieper, Christine Ha, Sandra Au, Miles Berger, Harvey J Cohen, Jody Feld, Patrick Smith, Katherine Hall, Daniel Parker, Virginia Byers Kraus, William E Kraus, Kenneth Schmader, Cathleen Colón-Emeric
BACKGROUND: Older adults with similar health conditions often experience widely divergent outcomes following health stressors. Variable recovery after a health stressor may be due in part to differences in biological mechanisms at the molecular, cellular, or system level, that are elicited in response to stressors. We describe the PRIME-KNEE study as an example of ongoing research to validate provocative clinical tests and biomarkers that predict resilience to specific health stressors...
July 29, 2021: Journal of the American Geriatrics Society
https://read.qxmd.com/read/34325444/measuring-proximal-tibial-metaphyseal-width-and-lateral-epiphyseal-height-improves-determination-of-remaining-growth-in-children
#2
Joseph B Kahan, Don T Li, Christopher A Schneble, Ahmed Elabd, Elsayed Attia, Rachel Esparza, Jonathan J Cui, Eric Li, Jay Moran, Brian G Smith, Daniel R Cooperman
BACKGROUND: Accurate assessments of skeletal maturity is of critical importance to guide type and timing of orthopaedic surgical interventions. Several quantitative markers of the proximal tibia were recently developed using historical knee radiographs. The purpose of the present study was to determine which marker would be most effective in assessment of full-length radiographs in a modern pediatric patient population. METHODS: All full-length radiographs at our institutions between 2013 and 2018 were reviewed...
July 29, 2021: Journal of Pediatric Orthopedics
https://read.qxmd.com/read/34325188/objectively-quantified-lower-limb-strength-recovery-in-people-treated-surgically-or-non-surgically-after-patellar-dislocation-a-systematic-review
#3
REVIEW
Colin Forde, Crispin Mortimer, Mark Haddad, Shashivadan P Hirani, Mark A Williams, David J Keene
OBJECTIVE: Synthesize evidence on objectively quantified lower limb strength recovery in people treated surgically or non-surgically after patellar dislocation. METHODS: MEDLINE, EMBASE, Cochrane Library, SPORTDiscus, PEDro, AMED and CINAHL databases were last searched on July 30th, 2020 for randomized controlled trials and observational studies that objectively quantified lower limb strength in people (any age or sex) treated surgically or non-surgically after patellar dislocation...
June 12, 2021: Physical Therapy in Sport
https://read.qxmd.com/read/34325049/successive-new-pathogen-prosthetic-joint-reinfections-observational-cohort-study-on-61-patients
#4
Caroline Béal, Valérie Zeller, Younes Kerroumi, Vanina Meyssonnier, Beate Heym, Pascal Chazerain, Simon Marmor
OBJECTIVES: s (PJI) treatment failure may be due to relapsing infection (same microorganism) or new-pathogen reinfection (npPJI). The aim was to describe npPJI epidemiological, clinical and microbiological characteristics, their treatments and outcomes, and identify their risk factors. METHODS: This observational, single-center, cohort study was conducted in a French Referral Center for Bone-and-Joint Infections between September 2004 and December 2015. Patients treated for at least two successive hip or knee PJIs in the same joint with a different pathogen were identified in the prospective database...
July 26, 2021: Joint, Bone, Spine: Revue du Rhumatisme
https://read.qxmd.com/read/34324963/serial-improvement-of-medial-meniscus-extrusion-following-medial-open-wedge-high-tibial-osteotomy-does-not-reflect-clinical-outcomes-and-arthroscopic-articular-cartilage-improvement
#5
Jung-Kwon Bae, Jun-Ho Kim, Kang-Il Kim, Sang Hak Lee, Dong-Won Seo
PURPOSE: To assess serial change up to 2 years in medial meniscus extrusion (MME) following medial open-wedge high tibial osteotomy (MOWHTO) and to determine if postoperative changes in MME correlated with clinical outcomes and arthroscopic articular cartilage status. METHODS: This study included 26 patients from December 2016 to March 2018 who underwent MOWHTO for primary medial osteoarthritis (OA) with varus malalignment. Second-look arthroscopy with plate removal was performed at postoperative 2 years...
July 26, 2021: Arthroscopy
https://read.qxmd.com/read/34324778/accuracy-and-safety-of-dry-needling-placement-in-the-popliteus-muscle-a-cadaveric-study
#6
Jacobo Rodríguez-Sanz, Albert Pérez-Bellmunt, Carlos López-de-Celis, Cesar Hidalgo-García, Shane L Koppenhaver, Max Canet-Vintró, César Fernández-de-Las-Peñas
BACKGROUND: The popliteus muscle attaches posteriorly to the joint capsule of the knee. Although it is an important rotational stabilizer and has been implicated in various knee pathologies, research on its treatment with dry needling is scarce. OBJECTIVE: To determine if a needle accurately and safely penetrates the popliteus muscle during the clinical application of dry needling METHODS: A cadaveric descriptive study was conducted. Needling insertion of the popliteus muscle was conducted in 11 cryopreserved cadavers with a 50mm needle...
July 29, 2021: International Journal of Clinical Practice
https://read.qxmd.com/read/34324735/higher-strength-gain-after-hypoxic-vs-normoxic-resistance-training-despite-no-changes-in-muscle-thickness-and-fractional-protein-synthetic-rate
#7
Sophie van Doorslaer de Ten Ryen, Geoffrey Warnier, Olouyomi Gnimassou, Mehdi R Belhaj, Nicolas Benoit, Damien Naslain, Matthew S Brook, Kenneth Smith, Daniel J Wilkinson, Henri Nielens, Philip J Atherton, Marc Francaux, Louise Deldicque
Acute hypoxia has previously been suggested to potentiate resistance training-induced hypertrophy by activating satellite cell-dependent myogenesis rather than an improvement in protein balance in human. Here, we tested this hypothesis after a 4-week hypoxic vs normoxic resistance training protocol. For that purpose, 19 physically active male subjects were recruited to perform 6 sets of 10 repetitions of a one-leg knee extension exercise at 80% 1-RM 3 times/week for 4 weeks in normoxia (FiO2 : 0.21; n = 9) or in hypoxia (FiO2 : 0...
August 2021: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://read.qxmd.com/read/34324435/intra-articular-injection-of-bpc-157-for-multiple-types-of-knee-pain
#8
Edwin Lee, Blake Padgett
Introduction: Knee pain, a common complaint in primary care, has many causes, the most common of which is osteoarthritis (OA). Other common causes are meniscus tears, tendinosis, ligament tears or sprains, rheumatoid arthritis, lupus and septic arthritis. Also, referred pain from hip joint pathology like slipped capital femoral epiphysis can result in knee pain.1 The use of peptides BPC157 and thymosin-beta-4 (TB4) has not been studied in the treatment of knee pain. Methods: A retrospective study was done at the Institute for Hormonal Balance in Orlando, Florida, USA to see whether intra-articular injection of the peptide BPC 157, alone or combined with TB4, helped relieve knee pain...
July 2021: Alternative Therapies in Health and Medicine
https://read.qxmd.com/read/34324369/articular-cartilage-and-meniscus-predictors-of-patient-reported-outcomes-10-years-after-anterior-cruciate-ligament-reconstruction-a-multicenter-cohort-study
#9
Robert H Brophy, Laura J Huston, Isaac Briskin, Annunziato Amendola, Charles L Cox, Warren R Dunn, David C Flanigan, Morgan H Jones, Christopher C Kaeding, Robert G Marx, Matthew J Matava, Eric C McCarty, Richard D Parker, Armando F Vidal, Michelle L Wolcott, Brian R Wolf, Rick W Wright, Kurt P Spindler
BACKGROUND: Articular cartilage and meniscal damage are commonly encountered and often treated at the time of anterior cruciate ligament reconstruction (ACLR). Our understanding of how these injuries and their treatment relate to outcomes of ACLR is still evolving. HYPOTHESIS/PURPOSE: The purpose of this study was to assess whether articular cartilage and meniscal variables are predictive of 10-year outcomes after ACLR. We hypothesized that articular cartilage lesions and meniscal tears and treatment would be predictors of the International Knee Documentation Committee (IKDC), Knee injury and Osteoarthritis Outcome Score (KOOS) (all 5 subscales), and Marx activity level outcomes at 10-year follow-up after ACLR...
July 29, 2021: American Journal of Sports Medicine
https://read.qxmd.com/read/34324223/deep-learning-based-segmentation-of-knee-mri-for-fully-automatic-sub-regional-morphological-assessment-of-cartilage-tissues-data-from-the-osteoarthritis-initiative
#10
Egor Panfilov, Aleksei Tiulpin, Miika T Nieminen, Simo Saarakkala, Victor Casula
Morphological changes in knee cartilage sub-regions are valuable imaging-based biomarkers for understanding progression of osteoarthritis, and they are typically detected from MRI. So far, accurate segmentation of cartilage has been done manually. Deep learning approaches show high promise in automating the task; however, they lack clinically relevant evaluation. We introduce a fully automatic method for segmentation and sub-regional assessment of articular cartilage, and evaluate its predictive power in context of radiographic osteoarthritis progression...
July 29, 2021: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://read.qxmd.com/read/34324222/strength-and-physical-activity-in-osteoarthritis-the-mediating-role-of-kinesiophobia
#11
Burcu Aydemir, Chun-Hao Huang, Kharma C Foucher
The aim of this study was to investigate the association between muscle strength and physical activity level in people with knee osteoarthritis (OA), and determine whether this association is mediated by pain-related fear of movement (kinesiophobia) and self-reported pain. Cross-sectional data from 37 subjects (age 58.8 ± 8.6 years, 25F/12M, BMI 33.5 ± 6.4 kg/m2 ) with OA of the knee were used. Isometric knee extensor and flexor muscle strength were measured using an isokinetic dynamometer. Physical activity, kinesiophobia, and pain were assessed by self-report using the University of California, Los Angeles activity rating scale, Tampa Scale for Kinesiophobia, and The Knee Injury and Osteoarthritis Outcome Score pain subscale, respectively...
July 29, 2021: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://read.qxmd.com/read/34324043/patient-reported-outcomes-after-primary-rotating-hinge-total-knee-arthroplasty-a-multi-centre-clinical-cohort-study
#12
Jan Dauwe, Bruno Vandekerckhove, Robin Bouttelgier, Lukas A Holzer, Dirk Dauwe, Hilde Vandenneucker
PURPOSE: Rotating hinge prostheses for total knee arthroplasty (TKA) are mostly used in revision setting; however, evidence on the use of these constrained devices in primary setting is scarce and inconsistent. Therefore, we aimed to evaluate the functional outcomes after third-generation rotating hinge implants in primary TKA with a minimal follow-up of two years in a large dual-centre observational retrospective clinical trial. METHODS: The hospital databases of two centres were searched for primary rotating hinge arthroplasty from January 2007 to January 2015...
July 29, 2021: International Orthopaedics
https://read.qxmd.com/read/34324039/current-practice-of-concomitant-surgeries-in-cartilage-repair-of-the-femorotibial-compartment-of-the-knee-baseline-data-of-4968-consecutive-patients-from-the-german-cartilage-registry-knorpelregister-dgou
#13
Johannes Zellner, Svea Faber, Gunter Spahn, Wolfgang Zinser, Philipp Niemeyer, Peter Angele
INTRODUCTION: The treatment of underlying comorbidities is a field of rising interest in cartilage repair surgery. The aim of this study was to analyze the current practice of concomitant surgeries in cartilage repair of the knee especially in the medial or lateral femorotibial compartment. Type, frequency and distribution of additional surgeries for correction of malalignment, knee instability and meniscus deficiency should be evaluated. METHODS: Baseline data of 4968 patients of the German Cartilage Registry (KnorpelRegister DGOU) were analyzed regarding the distribution of concomitant surgeries in addition to regenerative cartilage treatment...
July 29, 2021: Archives of Orthopaedic and Trauma Surgery
https://read.qxmd.com/read/34323450/retrospective-study-of-the-analgesic-effect-of-sacroiliac-joint-radiofrequency-denervation
#14
Ligia Ft Kawamoto, Rioko K Sakata, Jose L Campos, Luis A Borges, Leonardo Hc Ferraro
BACKGROUND: Interventional radiofrequency (RF) ablation techniques are indicated when an adequate effect is not obtained with conservative measures. OBJECTIVES: The primary objective of this study was to evaluate pain relief after RF denervation of the sacroiliac joint. The secondary objective was to evaluate pain intensity and relief duration. STUDY DESIGN: The study was retrospective. SETTING: The study was conducted at Vera Cruz Hospital, Campinas, Brazil...
August 2021: Pain Physician
https://read.qxmd.com/read/34323387/impact-of-preoperative-and-incident-musculoskeletal-problematic-areas-on-postoperative-outcomes-after-total-knee-replacement
#15
MaryAnn Zhang, Faith Selzer, Elena Losina, Jamie E Collins, Jeffrey N Katz
OBJECTIVE: To examine impact of pre-existing and incident problematic musculoskeletal (MSK) areas after total knee replacement (TKR) on postoperative 60-month Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) pain/function scores. METHODS: Using data from a randomized controlled trial of subjects undergoing TKR for osteoarthritis, we assessed problematic MSK areas in six body regions before TKR and 12, 24, 36, and 48 months after TKR. We defined the following two variables: 1) density count (number of problematic MSK areas occurring after TKR; range 0-24) and 2) cumulative density count (problematic MSK areas both before and after TKR, categorized into four levels: no preoperative areas and density count of 0-1 [reference group]; no preoperative areas and density count of 2 or more; one or more preoperative areas and density count of 0-1; and one or more preoperative areas and density count of 2 or greater)...
July 28, 2021: ACR open rheumatology
https://read.qxmd.com/read/34323112/day-case-unicompartmental-knee-arthroplasty-a-literature-review-and-development-of-a-novel-hospital-pathway
#16
W Wignadasan, J W Thompson, M Ibrahim, B Kayani, A Magan, F S Haddad
INTRODUCTION: We have seen unparalleled changes in our healthcare systems globally as a result of the COVID-19 pandemic. As we strive to regenerate our full capacity elective services in order to contest the increasing demand for lower limb arthroplasty, this pandemic has allowed us a rare opportunity to revise and develop novel elective arthroplasty pathways intended to improve patient care and advance healthcare efficiency. We present an extensive evidence-based review of the approaches used to achieve day-case unicompartmental arthroplasty (UKA) as well as the development of a day-case UKA care pathway in a UK NHS institution based on the evidence provided in the literature...
July 29, 2021: Annals of the Royal College of Surgeons of England
https://read.qxmd.com/read/34323060/circulating-long-non-coding-rna-signature-in-knee-osteoarthritis-patients-with-postoperative-pain-one-year-after-total-knee-replacement
#17
Rocco Giordano, Kristian Kjær Petersen, Massimo Santoro, Costanza Pazzaglia, Ole Simonsen, Massimiliano Valeriani, Lars Arendt-Nielsen
OBJECTIVES: The incidence of chronic postoperative pain after total knee replacement (TKR) is approx. 20%, and hence preoperative risk factors are important to identify. Recent studies have indicated that preoperative inflammatory markers might hold prognostic information for the development of chronic postoperative pain. Long non-coding RNA (lncRNA) regulates the expression of genes related to e.g. inflammatory processes. The current study aimed to investigate the preoperative lncRNA signature as possible preoperative predictive markers for chronic postoperative pain following TKR...
July 29, 2021: Scandinavian Journal of Pain
https://read.qxmd.com/read/34322843/the-autoclaving-and-re-implantation-of-an-infected-prosthesis-as-a-spacer-during-resection-knee-arthroplasty-a-systematic-review
#18
REVIEW
Antonio Spinarelli, Davide Bizzoca, Lorenzo Moretti, Giovanni Vicenti, Raffaele Garofalo, Biagio Moretti
BACKGROUND: Hofmann et al., in 1995, first described an articulating spacer made by cleaning and autoclaving the original femoral component, which is then re-implanted with a new tibial polyethylene. This systematic review aims to assess the state of existing evidence on the intraoperative autoclaving and re-use of an infected prosthesis, as a spacer, during a two-stage revision following Periprosthetic Joint Infections (PJI). METHODS: A systematic review was conducted with methods described in the Preferred Reporting Items for Systematic Reviews and Meta-Analyses...
July 28, 2021: Musculoskeletal Surgery
https://read.qxmd.com/read/34322835/physical-therapy-is-better-than-glucocorticoid-injections-for-osteoarthritis-of-the-knee
#19
Camden S Hastings, Alana J Schilthuis, Christopher D Jackson
No abstract text is available yet for this article.
July 28, 2021: Journal of General Internal Medicine
https://read.qxmd.com/read/34322675/proteomic-analysis-reveals-dexamethasone-rescues-matrix-breakdown-but-not-anabolic-dysregulation-in-a-cartilage-injury-model
#20
Rebecca Mae Black, Yang Wang, André Struglics, Pilar Lorenzo, Viveka Tillgren, Martin Rydén, Alan J Grodzinsky, Patrik Önnerfjord
Objectives: In this exploratory study, we used discovery proteomics to follow the release of proteins from bovine knee articular cartilage in response to mechanical injury and cytokine treatment. We also studied the effect of the glucocorticoid Dexamethasone (Dex) on these responses. Design: Bovine cartilage explants were treated with either cytokines alone (10 ng/ml TNFα, 20 ng/ml IL-6, 100 ng/ml sIL-6R), a single compressive mechanical injury, cytokines and injury, or no treatment, and cultured in serum-free DMEM supplemented with 1% ITS for 22 days...
December 2020: Osteoarthritis and cartilage open
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