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Cartilage

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https://www.readbyqxmd.com/read/29998745/osteochondritis-dissecans-in-the-knee-of-skeletally-immature-patients-rates-of-persistent-pain-osteoarthritis-and-arthroplasty-at-mean-14-years-follow-up
#1
Mario Hevesi, Thomas L Sanders, Ayoosh Pareek, Todd A Milbrandt, Bruce A Levy, Michael J Stuart, Daniel B F Saris, Aaron J Krych
Objective Osteochondritis dissecans (OCD) is a knee disorder of predominately pediatric populations. Because of low incidence, it has traditionally been difficult to study OCD. The purpose of this study was to report long-term outcomes of skeletally immature OCD lesions and determine risk factors for persistent knee pain at final follow-up. Design A geographic database of more than 500,000 patients was reviewed to identify patients with knee OCD. Clinical course including operative management, persistent knee pain, and total knee arthroplasty (TKA) were analyzed through review of radiographs, magnetic resonance images, and physician notes...
July 1, 2018: Cartilage
https://www.readbyqxmd.com/read/29998744/nondestructive-assessment-of-articular-cartilage-electromechanical-properties-after-osteochondral-autologous-and-allogeneic-transplantation-in-a-goat-model
#2
Tomas Mickevicius, Alius Pockevicius, Audrius Kucinskas, Rimtautas Gudas, Justinas Maciulaitis, Arvydas Usas
Objective To determine the applicability of a minimally invasive diagnostic device to evaluate the quality of articular cartilage following autologous (OAT) and allogeneic (OCA) osteochondral graft transplantation in goat model. Design OAT grafts were harvested from lateral femoral condyles (LFCs) and transplanted into osteochondral defects created in medial femoral condyles (MFCs) of contralateral knees. OCA grafts were transplanted into MFC condyles after in vitro storage. Autologous platelet-rich plasma (PRP) was administered intraarticularly after the surgery and at 1 and 2 months postoperatively...
July 1, 2018: Cartilage
https://www.readbyqxmd.com/read/29998741/osteochondritis-dissecans-of-the-knee-etiology-and-pathogenetic-mechanisms-a-systematic-review
#3
Luca Andriolo, Dennis C Crawford, Davide Reale, Stefano Zaffagnini, Christian Candrian, Alessia Cavicchioli, Giuseppe Filardo
Objective The purpose of this manuscript is to analyze the evidence regarding etiopathogenesis of knee osteochondritis dissecans (OCD) lesions through a systematic review, so to summate the current understanding of the origin and progression of this pathologic articular processes. Design A systematic review of the literature was performed on the PubMed and Cochrane databases on October 2017 by 2 independent authors and included all levels of evidence. This included all English language literature, pertaining specifically to etiopathology of knee OCD with exclusions for review articles and expert opinion...
July 1, 2018: Cartilage
https://www.readbyqxmd.com/read/29989441/timing-of-intra-articular-injection-of-synovial-mesenchymal-stem-cells-affects-cartilage-restoration-in-a-partial-thickness-cartilage-defect-model-in-rats
#4
Takahiro Enomoto, Ryuichiro Akagi, Yuya Ogawa, Satoshi Yamaguchi, Hiroko Hoshi, Toshihide Sasaki, Yusuke Sato, Ryosuke Nakagawa, Seiji Kimura, Seiji Ohtori, Takahisa Sasho
Objective We investigated the effect of administration of intra-articular mesenchymal stem cells (MSCs) on cartilage repair at different timings, and the distribution of MSCs in the knee. Design A partial thickness cartilage defect (PTCD) was created on the medial femoral condyle in 14-week-old Sprague-Dawley rats. Intra-articular injection of 1 × 106 MSCs was performed at 3 time points, namely at the time of surgery (0w group), at 1 week after surgery (1w group), and at 2 weeks after surgery (2w group). For the control, 50 μL phosphate-buffered saline was injected at the time of surgery...
July 1, 2018: Cartilage
https://www.readbyqxmd.com/read/29972067/preoperative-mental-health-has-a-stronger-association-with-baseline-self-assessed-knee-scores-than-defect-morphology-in-patients-undergoing-cartilage-repair
#5
Jakob Ackermann, Takahiro Ogura, Robert A Duerr, Alexandre Barbieri Mestriner, Andreas H Gomoll
Objective The purpose of this study was to assess potential correlations between the mental component summary of the Short Form-12 (SF-12 MCS), patient characteristics or lesion morphology, and preoperative self-assessed pain and function scores in patients undergoing autologous chondrocyte implantation (ACI). Design A total of 290 patients underwent ACI for symptomatic cartilage lesions in the knee. One hundred and seventy-eight patients were included in this study as they completed preoperative SF-12, Knee injury and Osteoarthritis Outcome Score (KOOS), Tegner, Lysholm, and International Knee Documentation Committee (IKDC) scores...
July 1, 2018: Cartilage
https://www.readbyqxmd.com/read/29972025/eurovisco-guidelines-for-the-design-and-conduct-of-clinical-trials-assessing-the-disease-modifying-effect-of-knee-viscosupplementation
#6
Yves Henrotin, Xavier Chevalier, Raghu Raman, Pascal Richette, Jordi Montfort, Jörg Jerosch, Dominique Baron, Hervé Bard, Yannick Carrillon, Alberto Migliore, Thierry Conrozier
Objectives Hyaluronic acid viscosupplementation is a commonly used intra-articular treatment for osteoarthritis (OA). Some recent preclinical and clinical trials have demonstrated a potential for its disease-modifying effects. The goal of this expert opinion, consensus-driven exercise is to provide guidelines for the design and conduct of clinical trials assessing the disease-modifying effect of viscosupplementation in the knee. Methods The EUROVISCO group constitutes 10 members who had expertise in clinical research methodology in the field of OA and viscosupplementation...
July 1, 2018: Cartilage
https://www.readbyqxmd.com/read/29985056/assessment-of-cell-viability-of-fresh-osteochondral-allografts-in-n-acetylcysteine-enriched-medium
#7
Rafael Calvo, Maximiliano Espinosa, David Figueroa, Luz María Pozo, Paulette Conget
Objective The purpose of this study was to evaluate the effect of N-acetylcysteine (NAC)-enriched storage medium on fresh osteochondral viability at 4°C. Our hypothesis was that the cell viability of chondrocytes obtained from human osteochondral tissue and stored at 4°C significantly improves in the presence of NAC. Design Controlled laboratory study. For this study, 8 samples of femoral condyle osteochondral tissue were obtained from patients undergoing total knee replacement. The samples were stored at either 4°C in phosphate-buffered saline (PBS) or at 3 different concentrations of NAC (NAC 1, 2, and 5 mM)...
June 1, 2018: Cartilage
https://www.readbyqxmd.com/read/29962234/articular-cartilage-repair-of-the-pediatric-and-adolescent-knee-with-regard-to-minimal-clinically-important-difference-a-systematic-review
#8
Rosa S Valtanen, Armin Arshi, Benjamin V Kelley, Peter D Fabricant, Kristofer J Jones
Objective To perform a systematic review of clinical outcomes following microfracture (MFX), autologous chondrocyte implantation (ACI), osteochondral allograft transplantation (OCA), and osteochondral autograft transplantation system (OATS) to treat articular cartilage lesions in pediatric and adolescent patients. We sought to compare postoperative improvements for each cartilage repair method to minimal clinically important difference (MCID) thresholds. Design MEDLINE, Web of Science, Scopus, and Cochrane Library databases were searched for studies reporting MCID-validated outcome scores in a minimum of 5 patients ≤19 years treated for symptomatic knee chondral lesions with minimum 1-year follow-up...
June 1, 2018: Cartilage
https://www.readbyqxmd.com/read/29957019/arthroscopically-repaired-bucket-handle-meniscus-tears-patient-demographics-postoperative-outcomes-and-a-comparison-of-success-and-failure-cases
#9
Bryan M Saltzman, Eric J Cotter, Kevin C Wang, Richard Rice, Blaine T Manning, Adam B Yanke, Brian Forsythe, Nikhil N Verma, Brian J Cole
Objective To define patient demographics, preoperative, and intraoperative surgical variables associated with successful or failed repair of bucket-handle meniscal tears. Design All patients who underwent arthroscopic repair of a bucket-handle meniscus tear at a single institution between May 2011 and July 2016 with minimum 6-month follow-up were retrospectively identified. Patient demographic, preoperative (including imaging), and operative variables were collected and evaluated. A Kaplan-Meier curve was generated to demonstrate meniscus repair survivorship...
June 1, 2018: Cartilage
https://www.readbyqxmd.com/read/29938530/anti-inflammatory-effect-of-carprofen-is-enhanced-by-avocado-soybean-unsaponifiables-glucosamine-and-chondroitin-sulfate-combination-in-chondrocyte-microcarrier-spinner-culture
#10
Mark W Grzanna, Erica J Secor, Lowella V Fortuno, Angela Y Au, Carmelita G Frondoza
Objective Osteoarthritis is a painful, chronic joint disease affecting man and animals with no known curative therapies. Palliative nonsteroidal anti-inflammatory drugs (NSAIDs) are commonly used but they cause adverse side effects prompting the search for safer alternatives. To address this need, we evaluated the anti-inflammatory activity of avocado/soybean unsaponifiables (ASU), glucosamine (GLU), and chondroitin sulfate (CS) with or without the NSAID carprofen. Design Canine chondrocytes were propagated in microcarrier spinner culture and incubated with (1) control medium, (2) ASU (8...
June 1, 2018: Cartilage
https://www.readbyqxmd.com/read/29938527/effects-of-controlling-abnormal-joint-movement-on-expression-of-mmp13-and-timp-1-in-osteoarthritis
#11
Katsuya Onitsuka, Kenji Murata, Takanori Kokubun, Shuhei Fujiwara, Aya Nakajima, Yuri Morishita, Naohiko Kanemura
Objective Abnormal joint movement is associated with osteoarthritis (OA). Previous studies using the controlling abnormal joint movement (CAJM) model of OA reported delayed cartilage degeneration; however, none of them focused on gait performance and the localization of matrix metalloproteinase 13 (MMP13) and tissue inhibitor of metalloproteinase-1 (TIMP-1) in chondrocytes. Therefore, we aimed to investigate the effect of controlling abnormal joint movement on gait performance and the localization of MMP13 and TIMP-1, using kinematic and histological analyses...
June 1, 2018: Cartilage
https://www.readbyqxmd.com/read/29926748/eurovisco-recommendations-for-optimizing-the-clinical-results-of-viscosupplementation-in-osteoarthritis
#12
Thierry Conrozier, Jordi Monfort, Xavier Chevalier, Raghu Raman, Pascal Richette, Demirhan Diraçoglù, Hervé Bard, Dominique Baron, Jörg Jerosch, Alberto Migliore, Yves Henrotin
Objectives The 3 aims of the work were to identify population subgroups that can benefit the most from viscosupplementation (VS), to provide recommendations on injection techniques, and to discuss VS appropriateness in clinical situations that are commonplace in daily practice. Methods The task force members voted on their degree of agreement on 27 statements, 36 recommendations, and 22 clinical scenarios using a 9-point scale. The strength of agreement/appropriateness/recommendation (SOA/SOR) was classified as strong if the median agreement score was ≥8...
June 1, 2018: Cartilage
https://www.readbyqxmd.com/read/29926745/long-term-survival-after-microfracture-and-mosaicplasty-for-knee-articular-cartilage-repair-a-comparative-study-between-two-treatments-cohorts
#13
Eirik Solheim, Janne Hegna, Eivind Inderhaug
Objective To investigate survival of cartilage repair in the knee by microfracture (MFX; n = 119) or mosaicplasty osteochondral autograft transfer (OAT; n = 84). Design For survival analyses, "failure" was defined as the event of a patient reporting a Lysholm score <65 or undergoing an ipsilateral knee replacement. The Kaplan-Meier method was used for construction of a survival functions plot for the event "failure." Log rank (Mantel-Cox) test was used for comparison of survival distributions in the 2 groups...
June 1, 2018: Cartilage
https://www.readbyqxmd.com/read/29926743/automatic-cartilage-segmentation-for-delayed-gadolinium-enhanced-magnetic-resonance-imaging-of-hip-joint-cartilage-a-feasibility-study
#14
Tobias Hesper, Bernd Bittersohl, Christoph Schleich, Harish Hosalkar, Rüdiger Krauspe, Peter Krekel, Christoph Zilkens
Objective Automatic segmentation for biochemical cartilage evaluation holds promise for an efficient and reader-independent analysis. This pilot study aims to investigate the feasibility and to compare delayed gadolinium-enhanced magnetic resonance imaging of cartilage (dGEMRIC) hip joint assessment with manual segmentation of acetabular and femoral head cartilage and dGEMRIC hip joint assessment using automatic surface and volume processing software at 3 Tesla. Design Three-dimensional (3D) dGEMRIC data sets of 6 patients with hip-related pathology were assessed (1) manually including multiplanar image reformatting and regions of interest (ROI) analysis and (2) automated by using a combined surface and volume processing software...
June 1, 2018: Cartilage
https://www.readbyqxmd.com/read/29862834/cartilage-quality-dgemric-index-following-knee-joint-distraction-or-high-tibial-osteotomy
#15
Nick J Besselink, Koen L Vincken, L Wilbert Bartels, Ronald J van Heerwaarden, Arno N Concepcion, Anne C A Marijnissen, Sander Spruijt, Roel J H Custers, Jan-Ton A D van der Woude, Karen Wiegant, Paco M J Welsing, Simon C Mastbergen, Floris P J G Lafeber
Objective High tibial osteotomy (HTO) and knee joint distraction (KJD) are treatments to unload the osteoarthritic (OA) joint with proven success in postponing a total knee arthroplasty (TKA). While both treatments demonstrate joint repair, there is limited information about the quality of the regenerated tissue. Therefore, the change in quality of the repaired cartilaginous tissue after KJD and HTO was studied using delayed gadolinium-enhanced magnetic resonance imaging of cartilage (dGEMRIC). Design Forty patients (20 KJD and 20 HTO), treated for medial tibiofemoral OA, were included in this study...
June 1, 2018: Cartilage
https://www.readbyqxmd.com/read/29855190/rapid-progression-of-knee-pain-and-osteoarthritis-biomarkers-greatest-for-patients-with-combined-obesity-and-depression-data-from-the-osteoarthritis-initiative
#16
Cale A Jacobs, Ana-Maria Vranceanu, Katherine L Thompson, Christian Lattermann
Objective To compare the progression of biochemical biomarkers of osteoarthritis (OA), knee pain, and function between nonobese patients (NON), obese patients without depression (OBESE), and obese patients with comorbid depression (O + D). Design Utilizing the FNIH OA Biomarkers Consortium dataset, we categorized knee OA patients into NON, OBESE, and O + D groups based on body mass index and Center for Epidemiological Studies-Depression (CES-D) scores. Subjective symptoms (Knee injury and Osteoarthritis Outcome Score Quality of Life subscale (KOOS QOL), Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) Pain and Physical Function scores, and the Short Form-12 (SF-12) Physical Component Score [PCS]) and objective measures of cartilage degradation and bone remodeling (urinary CTXII and CTXIα) were compared among groups at baseline and 2-year follow-up...
May 1, 2018: Cartilage
https://www.readbyqxmd.com/read/29808709/differential-response-of-bovine-mature-nucleus-pulposus-and-notochordal-cells-to-hydrostatic-pressure-and-glucose-restriction
#17
Taryn Saggese, Ashvin Thambyah, Kelly Wade, Susan Read McGlashan
Objective The nucleus pulposus of the human intervertebral disc contains 2 cell types: notochordal (NC) and mature nucleus pulposus (MNP) cells. NC cell loss is associated with disc degeneration and this process may be initiated by mechanical stress and/or nutrient deprivation. This study aimed to investigate the functional responses of NC and MNP cells to hydrostatic pressures and glucose restriction. Design Bovine MNP and NC cells were cultured in 3-dimensional alginate beads under low (0.4-0.8 MPa) and high (1...
May 1, 2018: Cartilage
https://www.readbyqxmd.com/read/29808705/in-vitro-effects-of-cetylated-fatty-acids-mixture-from-celadrin-on-chondrogenesis-and-inflammation-with-impact-on-osteoarthritis
#18
Ariana Hudita, Bianca Galateanu, Sorina Dinescu, Marieta Costache, Anca Dinischiotu, Carolina Negrei, Miriana Stan, Aristidis Tsatsakis, Dragana Nikitovic, Dumitru Lupuliasa, Andra Balanescu
Objective Cetylated fatty acids are a group of naturally occurring fats of plant and/or animal origin. Cetyl myristoleate, in particular, was initially involved in osteoarthritis related research as its therapeutic administration prevented experimentally induced arthritis in Swiss Albino mice. In this context, the aim of our study was to investigate the possible mechanisms of Celadrin cetylated fatty acids action at the cellular level inflammation related pain relief and chondrogenesis. Design For this, we tested the effects of the cetylated fatty acids mixture from Celadrin on an in vitro scaffold-free 3-dimensional mesenchymal stem cells culture model of chondrogenesis...
May 1, 2018: Cartilage
https://www.readbyqxmd.com/read/29792070/chondral-delamination-of-fresh-osteochondral-allografts-after-implantation-in-the-knee-a-matched-cohort-analysis
#19
Ryan C Rauck, Dean Wang, Matthew Tao, Riley J Williams
Introduction Delamination of the chondral surface of an osteochondral allograft (OCA) from the underlying cancellous bone has been described as a mode of failure after implantation in the knee. Our hypothesis was that increased storage time of the OCA is associated with increased risk of graft delamination after implantation. Methods Prospective data on 13 patients with evidence of OCA delamination identified on magnetic resonance imaging or during subsequent surgery from 2000 to 2015 were reviewed. A cohort of 33 patients without evidence of graft delamination were then matched to the delamination group based on recipient age, sex, body mass index (BMI), and chondral defect location...
May 1, 2018: Cartilage
https://www.readbyqxmd.com/read/29779404/is-intra-articular-injection-of-synvisc-associated-with-a-delay-to-knee-arthroplasty-in-patients-with-knee-osteoarthritis
#20
Kevin L Ong, Maria Runa, Edmund Lau, Roy Altman
Objective There is debate about the effectiveness of intra-articular (IA) hyaluronic acid (HA) injections. We asked the following questions: (1) What is the epidemiology of IA HA use in knee arthroplasty (KA) patients? (2) Is Synvisc associated with a delay to KA? (3) Is there a difference in the delay to KA with the number of HA courses? Design The Optum Clinformatics data set (2006-June 2016) was used to identify patients with knee osteoarthritis (OA). Patients who did not receive IA HA were identified, along with those who received Synvisc or non-Synvisc HA...
May 1, 2018: Cartilage
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