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Osteoarthritis and Cartilage

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https://www.readbyqxmd.com/read/28522220/surgical-reconstruction-of-ruptured-anterior-cruciate-ligament-prolongs-trauma-induced-increase-of-inflammatory-cytokines-in-synovial-fluid-an-exploratory-analysis-in-the-kanon-trial
#1
Staffan Larsson, André Struglics, L Stefan Lohmander, Richard Frobell
OBJECTIVE: Prospectively monitor how treatment of acutely ruptured anterior cruciate ligament (ACL) affects biomarkers of inflammation and proteolytic degradation over five years. DESIGN: We studied 119 subjects with acute ACL injury from the randomized controlled KANON-trial (Clinical trial ISRCTN 84752559) who had synovial fluid, serum and urine samples available from at least two out of six visits over five years after acute ACL rupture. All subjects followed a similar rehabilitation protocol where, according to randomization, 60 also had early ACL reconstruction and 59 had the option to undergo a delayed ACL reconstruction if needed...
May 15, 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/28512063/influence-of-delayed-gadolinium-enhanced-mri-of-cartilage-dgemric-protocol-on-t2-mapping-is-it-possible-to-comprehensively-assess-knee-cartilage-composition-in-one-post-contrast-mr-examination-at-3-tesla
#2
Joost Verschueren, Jasper van Tiel, Max Reijman, Esther E Bron, Stefan Klein, Jan A N Verhaar, Sita Bierma-Zeinstra, Gabriel P Krestin, Piotr A Wielopolski, Edwin H G Oei
OBJECTIVE: To evaluate the possibility of assessing knee cartilage with T2-mapping and delayed Gadolinium Enhanced MRI of Cartilage (dGEMRIC) in one post-contrast MR examination at 3 Tesla (T). DESIGN: T2 mapping was performed in 10 healthy volunteers at baseline; directly after baseline; after 10 minutes of cycling; and after 90 minutes delay, and in 16 osteoarthritis patients before and after intravenous administration of a double dose gadolinium dimeglumine contrast agent, reflecting key dGEMRIC protocol elements...
May 13, 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/28506843/longitudinal-association-between-foot-and-ankle-symptoms-and-worsening-of-symptomatic-radiographic-knee-osteoarthritis-data-from-the-osteoarthritis-initiative
#3
Kade L Paterson, Jessica Kasza, David J Hunter, Rana S Hinman, Hylton B Menz, George Peat, Kim L Bennell
OBJECTIVE: To assess whether foot and/or ankle symptoms are associated with an increased risk of worsening of knee pain and radiographic change in people with knee osteoarthritis (OA). METHODS: The presence and laterality of foot/ankle symptoms were recorded at baseline in 1368 participants from the Osteoarthritis Initiative with symptomatic radiographic knee OA. Knee pain severity (measured using the Western Ontario and McMaster Universities Osteoarthritis Index pain subscale) and minimum medial tibiofemoral joint space (minJSW) width measured on x-ray were assessed yearly over the subsequent four years...
May 12, 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/28506842/diagnostic-and-prognostic-value-of-delayed-gadolinium-enhanced-magnetic-resonance-imaging-of-cartilage-dgemric-in-early-osteoarthritis-of-the-hip
#4
Antony Palmer, Scott Fernquest, Ines Rombach, Daniel Park, Tom Pollard, John Broomfield, Neal Bangerter, Andrew Carr, Sion Glyn-Jones
BACKGROUND: Delayed Gadolinium Enhanced MRI of Cartilage (dGEMRIC) can detect glycosaminoglycan loss in the acetabular cartilage of asymptomatic individuals with cam morphology. The aims of this study were to explore the relationship between cam morphology and dGEMRIC values, and to explore whether baseline dGEMRIC can predict the development of radiographic hip osteoarthritis. METHODS: Prospective cohort (SibKids) study with clinical, radiographic, and MRI assessment at baseline and five-year follow-up (n=34)...
May 12, 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/28506841/definition-of-critical-size-osteochondral-defect-and-it-s-the-negative-effect-to-the-surrounding-articular-cartilage-in-the-rat-knee
#5
Hiroki Katagiri, Luis Filipe Mendes, Frank P Luyten
BACKGROUND: Joint trauma is predisposing to the incidence of osteoarthritis of the knee. There is a limited knowledge on the impact of posttraumatic osteochondral defects on the whole joint. This study was designed to define a critical size osteochondral defect in the knee of rats and to investigate a possible association between osteochondral defects and degeneration of the surrounding joint surface. METHODS: Cylindrical osteochondral defects of different sizes were created in the knee joint of rats...
May 12, 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/28473207/quantification-of-cartilage-oligomeric-matrix-protein-comp-and-a-comp-neoepitope-in-synovial-fluid-of-patients-with-different-joint-disorders-by-novel-automated-assays
#6
P Lorenzo, A Aspberg, T Saxne, P Önnerfjord
OBJECTIVE: To develop automated immunoassays for the quantification of Cartilage Oligomeric Matrix Protein (COMP) and a COMP neoepitope in synovial fluid and to investigate their diagnostic potential in different joint conditions. METHODS: Two sandwich immunoassays were developed for the quantification of COMP and a COMP neoepitope, using an automated analyser (IDS-iSYS, Immunodiagnostic Systems, Boldon, UK). Assay performance was evaluated in terms of sensitivity, recovery, linearity, and intra- and inter-assay precision...
May 2, 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/28445775/changes-in-social-isolation-and-loneliness-following-total-hip-and-knee-arthroplasty-longitudinal-analysis-of-the-english-longitudinal-study-of-ageing-elsa-cohort
#7
T O Smith, J R Dainty, A J MacGregor
OBJECTIVE: To determine the prevalence and change in social isolation and loneliness in people before and after total hip arthroplasty (THA) and total knee arthroplasty (TKA) in England. DESIGN: The English Longitudinal Study of Ageing (ELSA) dataset, a prospective study of community-dwelling older adults, was used to identify people who had undergone primary THA or TKA because of osteoarthritis. Social isolation was assessed using the ELSA Social Isolation Index...
April 23, 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/28433815/patterns-and-predictors-of-persistent-opioid-use-following-hip-or-knee-arthroplasty
#8
S C Kim, N Choudhry, J M Franklin, K Bykov, M Eikermann, J Lii, M A Fischer, B T Bateman
OBJECTIVE: The relationship between arthroplasty and long-term opioid use in patients with knee or hip osteoarthritis is not well studied. We examined the prevalence, patterns and predictors of persistent opioid use after hip or knee arthroplasty. METHOD: Using claims data (2004-2013) from a US commercial health plan, we identified adults who underwent hip or knee arthroplasty and filled ≥1 opioid prescription within 30 days after the surgery. We defined persistent opioid users as patients who filled ≥1 opioid prescription every month during the 1-year postoperative period based on group-based trajectory models...
April 19, 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/28433814/synovial-fluid-pro-inflammatory-profile-differs-according-to-the-characteristics-of-knee-pain
#9
Y Y Leung, J L Huebner, B Haaland, S B Siew Wong, V B Kraus
OBJECTIVE: The role of inflammation and pain in osteoarthritis (OA) is not fully understood. We evaluated the association between pro-inflammatory biomarkers and pain. METHODS: We used baseline data and samples from a randomized controlled trial of colchicine for symptomatic knee OA. Severity of pain of the more symptomatic knee was assessed by National Health and Nutrition Examination Survey-I (NHANES-I) criterion and Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) pain index...
April 19, 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/28396243/mechanical-force-mediated-pathological-cartilage-thinning-is-regulated-by-necroptosis-and-apoptosis
#10
C Zhang, S Lin, T Li, Y Jiang, Z Huang, J Wen, W Cheng, H Li
OBJECTIVE: This study aimed to identify the mechanisms underlying mandibular chondrocyte cell death and cartilage thinning in response to mechanical force. MATERIAL AND METHODS: An in vivo model (compressive mechanical force) and an in vitro model (TNF-α+cycloheximide) were used to induce mandibular chondrocyte necroptosis. Hematoxylin and eosin staining and transmission electron microscopy were used to assess histological and subcellular changes in mandibular chondrocyte...
April 7, 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/28385483/analgesic-use-and-risk-of-recurrent-falls-in-participants-with-or-at-risk-of-knee-osteoarthritis-data-from-the-osteoarthritis-initiative
#11
W-H Lo-Ciganic, L Floden, J K Lee, E L Ashbeck, L Zhou, C Chinthammit, A W Purdy, C K Kwoh
OBJECTIVE: Few studies have compared the risk of recurrent falls across different types of analgesic use, and with limited adjustment for potential confounders (e.g., pain/depression severity). We assessed analgesic use and the subsequent risk of recurrent falls, among participants with or at risk of knee osteoarthritis (OA). METHODS: A longitudinal analysis included 4231 participants aged 45-79 years at baseline with 4-year follow-up from the Osteoarthritis Initiative (OAI) cohort study...
April 4, 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/28373131/cartilage-oligomeric-matrix-protein-forms-protein-complexes-with-synovial-lubricin-via-non-covalent-and-covalent-interactions
#12
S A Flowers, S Kalamajski, L Ali, L I Björkman, J R Raj, A Aspberg, N G Karlsson, C Jin
OBJECTIVE: Understanding the cartilage surface structure, lost in arthritic disease, is essential for developing strategies to effectively restore it. Given that adherence of the lubricating protein, lubricin, to the cartilage surface is critical for boundary lubrication, an interaction with cartilage oligomeric matrix protein (COMP) was investigated. COMP, an abundant cartilage protein, is known to be important for matrix formation. DESIGN: Synovial fluid (SF) from arthritic patients was used to detect possible COMP-lubricin complexes by immunological methods...
April 1, 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/28365462/toward-understanding-the-role-of-cartilage-particulates-in-synovial-inflammation
#13
A M Silverstein, R M Stefani, E Sobczak, E L Tong, M G Attur, R P Shah, J C Bulinski, G A Ateshian, C T Hung
OBJECTIVE: Arthroscopy with lavage and synovectomy can remove tissue debris from the joint space and the synovial lining to provide pain relief to patients with osteoarthritis (OA). Here, we developed an in vitro model to study the interaction of cartilage wear particles with fibroblast-like synoviocytes (FLS) to better understand the interplay of cartilage particulates with cytokines on cells of the synovium. METHOD: In this study sub-10 μm cartilage particles or 1 μm latex particles were co-cultured with FLS ±10 ng/mL interleukin-1α (IL-1α) or tumor necrosis factor-α (TNF-α)...
March 30, 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/28351706/baseline-meniscal-extrusion-associated-with-incident-knee-osteoarthritis-after-30-months-in-overweight-and-obese-women
#14
J A van der Voet, J Runhaar, P van der Plas, D Vroegindeweij, E H Oei, S M A Bierma-Zeinstra
OBJECTIVE: To investigate the association between baseline meniscal extrusion and the incidence of knee osteoarthritis (KOA) after 30 months in a high-risk population of overweight and obese women, free of clinical and radiological KOA at baseline. METHODS: 407 middle-aged overweight women (body mass index - BMI ≥ 27 kg/m(2)) were evaluated at baseline and after 30 months of follow-up. Meniscal extrusion was defined as grade ≥2 on MRI according to MRI Osteoarthritis Knee Score (MOAKS)...
March 27, 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/28351705/subregional-laminar-cartilage-mr-spin-spin-relaxation-times-t2-in-osteoarthritic-knees-with-and-without-medial-femorotibial-cartilage-loss-data-from-the-osteoarthritis-initiative-oai
#15
W Wirth, S Maschek, P Beringer, F Eckstein
OBJECTIVE: To explore whether subregional laminar femorotibial cartilage spin-spin relaxation time (T2) is associated with subsequent radiographic progression and cartilage loss and/or whether one-year change in subregional laminar femorotibial cartilage T2 is associated with concurrent progression in knees with established radiographic OA (ROA). METHODS: In this case-control study, Osteoarthritis Initiative (OAI) knees with medial femorotibial progression were selected based on one-year loss in both quantitative cartilage thickness Magnetic resonance imaging (MRI) and radiographic joint space width (JSW)...
March 27, 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/28336453/a-bioinformatic-analysis-of-micrornas-role-in-osteoarthritis
#16
L Cong, Y Zhu, G Tu
OBJECTIVE: To evaluate the underlying function of microRNAs (miRNAs) in osteoarthritis (OA). DESIGN: A bioinformatic analysis of miRNAs-OA studies was completed in multiple databases. All identified articles were assessed using specific inclusion and exclusion criteria (Eligible case-control studies for the present study included those which investigated miRNAs differential expression in cartilage tissues and cells of OA and controls. Abstracts, case reports, conference presentations, editorials, and expert opinions were excluded...
March 21, 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/28336454/cryoneurolysis-to-treat-the-pain-and-symptoms-of-knee-osteoarthritis-a-multicenter-randomized-double-blind-sham-controlled-trial
#17
R Radnovich, D Scott, A T Patel, R Olson, V Dasa, N Segal, N E Lane, K Shrock, J Naranjo, K Darr, R Surowitz, J Choo, A Valadie, R Harrell, N Wei, S Metyas
OBJECTIVE: Evaluate the efficacy and safety/tolerability of cryoneurolysis for reduction of pain and symptoms associated with knee osteoarthritis (OA). DESIGN: Randomized, double-blind, sham-controlled, multicenter trial with a 6-month follow-up in patients with mild-to-moderate knee OA. Patients were randomized 2:1 to cryoneurolysis targeting the infrapatellar branch of the saphenous nerve (IPBSN) or sham treatment. The primary endpoint was the change from baseline to Day 30 in the Western Ontario and McMaster Osteoarthritis Index (WOMAC) pain score adjusted by the baseline score and site...
March 20, 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/28336452/the-relationship-of-bone-properties-using-high-resolution-peripheral-quantitative-computed-tomography-to-radiographic-components-of-hip-osteoarthritis
#18
M H Edwards, J Paccou, K A Ward, K A Jameson, C Moss, J Woolston, M K Javaid, C Cooper, E M Dennison
OBJECTIVE: Positive associations between radiographic osteoarthritis (OA) and areal bone mineral density (BMD) have been demonstrated and appear strongest when bony features of OA are considered. To date, these associations have not been assessed using HRpQCT. DESIGN: A total of 318 participants (170 men and 148 women), aged 72.1-81.4 years from a non-selected cohort, underwent HRpQCT of the distal radius and tibia along with hip radiography. Differences in bone microarchitecture were assessed between those with and without osteophytes, sclerosis or joint space narrowing (JSN) in either hip...
March 20, 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/28323138/impact-of-a-daily-exercise-dose-on-knee-joint-cartilage-a-systematic-review-and-meta-analysis-of-randomized-controlled-trials-in-healthy-animals
#19
REVIEW
A Bricca, C B Juhl, A J Grodzinsky, E M Roos
OBJECTIVE: To investigate the impact of a daily exercise dose on cartilage composition and thickness, by conducting a systematic review of randomized controlled trials (RCTs) involving healthy animals. METHODS: A narrative synthesis of the effect of a daily exercise dose on knee cartilage aggrecan, collagen and thickness was performed. A subset of studies reporting sufficient data was combined in meta-analysis using a random-effects model. Meta-regression analyses were performed to investigate the impact of covariates...
March 18, 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/28323137/defects-in-chondrocyte-maturation-and-secondary-ossification-in-mouse-knee-joint-epiphyses-due-to-snorc-deficiency
#20
J Heinonen, F-P Zhang, C Surmann-Schmitt, S Honkala, M Stock, M Poutanen, A-M Säämänen
OBJECTIVE: The role of Snorc, a novel cartilage specific transmembrane proteoglycan, was studied during skeletal development using two Snorc knockout mouse models. Hypothesizing that Snorc, like the other transmembrane proteoglycans, may be a coreceptor, we also studied its interaction with growth factors. METHODS: Skeletal development was studied in wild type (WT) and Snorc knockout mice during postnatal development by whole mount staining, X-ray imaging, histomorphometry, immunohistochemistry and qRT-PCR...
March 18, 2017: Osteoarthritis and Cartilage
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