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https://www.readbyqxmd.com/read/28526995/two-cycles-of-plasma-rich-in-growth-factors-prgf-endoret-intra-articular-injections-improve-stiffness-and-activities-of-daily-living-but-not-pain-compared-to-one-cycle-on-patients-with-symptomatic-knee-osteoarthritis
#1
Víctor Vaquerizo, Sabino Padilla, José Javier Aguirre, Leire Begoña, Gorka Orive, Eduardo Anitua
PURPOSE: To assess the clinical efficacy and safety of a treatment based on one cycle versus two cycles of intra-articular injections of plasma rich in growth factors (PRGF-Endoret) on patients with knee osteoarthritis (OA). METHODS: Ninety patients with knee OA were included and evaluated. A total of 48 patients received one cycle (OC group) (3 injections on a weekly basis), while 42 patients received two cycles of PRGF-Endoret (TC group) spaced 6 months between them...
May 19, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28526923/focal-articular-prosthetic-resurfacing-for-the-treatment-of-full-thickness-articular-cartilage-defects-in-the-knee-12-year-follow-up-of-two-cases-and-review-of-the-literature
#2
C Becher, E B Cantiller
INTRODUCTION: The rationale of focal articular prosthetic resurfacing used as a primary arthroplasty procedure in the treatment of articular cartilage defects is still under debate. Conflicting reports raise concern about high rates of re-operations and continued development of osteoarthritis, while others have reported good outcomes. The goal of this paper is to present the long-term results of two patients with a 12-year follow-up and to report the results of a literature review. MATERIALS AND METHODS: Two patients (male, 70 years; female 63 years) with a follow-up of 12 years were reviewed...
May 19, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28524271/histological-characteristics-of-knee-menisci-in-patients-with-osteoarthritis
#3
D McDaniel, E Tilton, K Dominick, K Flory, T Ernest, J C Johnson, D C Main, P Kondrashov
INTRODUCTION: Existing data indicate knee menisci in patients with osteoarthritis (OA) show tearing, maceration, and fragmentation, but little is known about the change in histological structure. The aim of this study was to evaluate change in the menisci histological structure in patients with clinically diagnosed knee OA. MATERIALS AND METHODS: Fourteen patients undergoing surgical treatment of knee OA (OA group) and 14 cadaveric knees (control group) were assessed...
May 19, 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/28523339/medial-meniscal-extrusion-a-validation-study-comparing-different-methods-of-assessment
#4
Luke D Jones, Stephen J Mellon, Neil Kruger, Andrew P Monk, Andrew J Price, David J Beard
PURPOSE: Longitudinal cohort studies of knee OA aetiology use MRI to assess meniscal extrusion within the same knee at sequential time points. A validated method of assessment is required to ensure that extrusion is measured at the same location within the knee at each time point. Absolute perpendicular extrusion from the tibial edge can be assessed using the reference standard of segmentation of the tibia and medial meniscus. This is labour intensive and unsuitable for large cohorts...
April 21, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28520463/a-preclinical-assessment-of-early-continuous-passive-motion-and-treadmill-therapeutic-exercises-for-generating-chondroprotective-effects-after-anterior-cruciate-ligament-rupture
#5
Nai-Jen Chang, Kuan-Wei Lee, Chih-Jou Chu, Ming-You Shie, Pei-Hsi Chou, Chih-Chan Lin, Peir-In Liang
BACKGROUND: Anterior cruciate ligament (ACL) injury is a well-known risk factor for the development of posttraumatic osteoarthritis (PTOA). However, whether using continuous passive motion (CPM) with or without additional treadmill exercise (TRE) in early ACL injury might provide chondroprotective effects and further decrease the risk of PTOA has yet to be determined. HYPOTHESIS: CPM may offer an enhanced chondroprotective effect, but TRE may attenuate that effect due to the mechanical stress on the joint and inflammatory cytokines in the joint...
May 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28520086/activated-fgfr3-prevents-subchondral-bone-sclerosis-during-the-development-of-osteoarthritis-in-transgenic-mice-with-achondroplasia
#6
Toshiaki Okura, Masaki Matsushita, Kenichi Mishima, Ryusaku Esaki, Taisuke Seki, Naoki Ishiguro, Hiroshi Kitoh
The purpose of this study is to investigate the morphometric changes of the subchondral bone during the development of osteoarthritis (OA) in transgenic mice with achondroplasia (Fgfr3(ach) ) carrying a heterozygous gain-of-function mutation in Fgfr3. Two OA models (spontaneously developed with age: the aging model, and surgically induced by destabilization of the medial meniscus: the DMM model) were established. Articular cartilage, epiphysis and metaphysis of the knee joint were histologically and morphometrically compared between wild-type mice and Fgfr3(ach) mice in both OA models...
May 18, 2017: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/28516738/intrinsic-fluorescence-and-mechanical-testing-of-articular-cartilage-in-human-patients-with-osteoarthritis
#7
Juan Pablo Padilla-Martinez, William Lewis, Antonio Ortega-Martinez, Walfre Franco
The degeneration of articular cartilage is the main cause of osteoarthritis (OA), a common cause of disability among elderly patients. The aim of this study is to understand the correlation between intrinsic fluorescence of articular cartilage and its biomechanical properties in patients with osteoarthritis. Cylindrical samples of articular cartilage 6 mm in diameter were extracted via biopsy punch from the femoral condyles of 6 patients with advanced OA undergoing knee replacement surgery. The mechanical stiffness and fluorescence of each cartilage plug were measured by indentation test and spectrofluorometry...
May 18, 2017: Journal of Biophotonics
https://www.readbyqxmd.com/read/28516048/image-interpolation-improves-the-zonal-analysis-of-cartilage-t2-relaxation-in-mri
#8
Farid Badar, Yang Xia
BACKGROUND: This project aimed to investigate the improvement in the detection of osteoarthritis (OA) in cartilage by the interpolation of T2 images, in the situation when the native MRI resolution is insufficient to resolve the depth-dependent T2 characteristics in articular cartilage (AC). METHODS: Eighteen intact canine knee joints that were healthy or had mild (contralateral) or severe OA were T2-imaged in a 7T/20 cm MRI system at 200 µm/pixel resolution (macro-MRI)...
April 2017: Quantitative Imaging in Medicine and Surgery
https://www.readbyqxmd.com/read/28513082/the-impact-of-osteoarthritis-on-difficulty-walking-a-population-based-study
#9
Lauren K King, Tetyana Kendzerska, Esther J Waugh, Gillian A Hawker
OBJECTIVE: To assess the relationship of hip and knee osteoarthritis (OA) to walking difficulty. METHODS: A population cohort aged ≥55 years recruited from 1996-98 (n=28,451) completed a standardized questionnaire assessing demographics, health conditions, joint complaints and functional limitations, including difficulty walking in the past 3 months. Survey data were linked to health administrative databases; self-report and administrative data were used to identify health conditions...
May 17, 2017: Arthritis Care & Research
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
#10
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/28511690/development-of-a-clinical-prediction-algorithm-for-knee-osteoarthritis-structural-progression-in-a-cohort-study-value-of-adding-measurement-of-subchondral-bone-density
#11
Michael P LaValley, Grace H Lo, Lori Lyn Price, Jeffrey B Driban, Charles B Eaton, Timothy E McAlindon
BACKGROUND: Risk prediction algorithms increase understanding of which patients are at greatest risk of a harmful outcome. Our goal was to create a clinically useful prediction algorithm for structural progression of knee osteoarthritis (OA), using medial joint space loss as a proxy; and to quantify the benefit of including periarticular bone mineral density (BMD) in the algorithm. METHODS: Participants were from the Osteoarthritis Initiative (OAI) Progression Cohort, with X-ray readings of medial joint space at 36- and 48-month visits, and a 30- or 36-month medial-to-lateral tibial BMD ratio (M:L BMD ratio) value...
May 16, 2017: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/28511664/yields-and-chondrogenic-potential-of-primary-synovial-mesenchymal-stem-cells-are-comparable-between-rheumatoid-arthritis-and-osteoarthritis-patients
#12
Yuji Kohno, Mitsuru Mizuno, Nobutake Ozeki, Hisako Katano, Keiichiro Komori, Shizuka Fujii, Koji Otabe, Masafumi Horie, Hideyuki Koga, Kunikazu Tsuji, Mikio Matsumoto, Haruka Kaneko, Yuji Takazawa, Takeshi Muneta, Ichiro Sekiya
BACKGROUND: Mesenchymal stem cells derived from the synovial membrane (synovial MSCs) are a candidate cell source for regenerative medicine of cartilage and menisci due to their high chondrogenic ability. Regenerative medicine can be expected for RA patients with the inflammation well-controlled as well as OA patients and transplantation of synovial MSCs would also be a possible therapeutic treatment. Some properties of synovial MSCs vary dependent on the diseases patients have, and whether or not the pathological condition of RA affects the chondrogenesis of synovial MSCs remains controversial...
May 16, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28511649/il-10-ameliorates-tnf-%C3%AE-induced-meniscus-degeneration-in-mature-meniscal-tissue-in-vitro
#13
P Behrendt, K Häfelein, A Preusse-Prange, A Bayer, A Seekamp, B Kurz
BACKGROUND: Joint inflammation causes meniscus degeneration and can exacerbate post-traumatic meniscus injuries by extracellular matrix degradation, cellular de-differentiation and cell death. The aim of this study was to examine whether anti-inflammatory interleukin-10 exerts protective effects in an in vitro model of TNF-α-induced meniscus degeneration. METHODS: Meniscus tissue was harvested from the knees of adult cows. After 24 h of equilibrium explants were simultaneously treated with bovine TNF-α and IL-10...
May 16, 2017: BMC Musculoskeletal Disorders
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
#14
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/28506776/mindfulness-is-associated-with-treatment-response-from-non-pharmacological-exercise-interventions-in-knee-osteoarthritis
#15
Augustine C Lee, William F Harvey, Lori Lyn Price, Xingyi Han, Jeffrey B Driban, John B Wong, Mei Chung, Timothy E McAlindon, Chenchen Wang
OBJECTIVE: To examine the association between baseline mindfulness and response from exercise interventions in knee osteoarthritis (OA). DESIGN: Cohort Study; Responder analysis of a clinical trial subset SETTING: Urban tertiary care academic hospital PARTICIPANTS: 86 participants with symptomatic, radiographic knee OA (mean age, 60 years; 74% female; 48% white) INTERVENTIONS: 12 weeks (twice per week) of Tai Chi or Physical Therapy exercise MAIN OUTCOME MEASURE(S): Treatment response was defined using Osteoarthritis Research Society International criteria indicating meaningful improvements in the Western Ontario and McMaster Osteoarthritis Index (WOMAC) pain, function, or Patient Global Assessment scores...
May 12, 2017: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28506315/molecular-mechanisms-underlying-osteoarthritis-development-notch-and-nf-%C3%AE%C2%BAb
#16
REVIEW
Taku Saito, Sakae Tanaka
Osteoarthritis (OA) is a multi-factorial and highly prevalent joint disorder worldwide. Since the establishment of murine surgical knee OA models in 2005, many of the key molecules and signalling pathways responsible for OA development have been identified. Here we review the roles of two multi-functional signalling pathways in OA development: Notch and nuclear factor kappa-light-chain-enhancer of activated B cells. Previous studies have identified various aspects of articular chondrocyte regulation by these pathways...
May 15, 2017: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/28506300/cross-cultural-adaptation-and-psychometric-analysis-of-the-arabic-version-of-the-oxford-knee-score-in-adult-male-with-knee-osteoarthritis
#17
Ahmad H Alghadir, Einas S Al-Eisa, Shahnawaz Anwer
BACKGROUND: There are varieties of self-assessment questionnaire used for the evaluation of pain, functional disability, and health related quality of life in individuals with knee osteoarthritis (OA). The present study intended to adapt and translate the oxford knee score into the Arabic and investigated its psychometric properties in adult male with knee OA. METHODS: Ninety-seven adult male (mean age 57.55 ± 11.49 years) with knee OA participated. Patients were requested to complete the adapted Arabic version of the Oxford knee score (OKS-Ar), reduced "Western Ontario and McMaster Universities Index (WOMAC)", and the Visual analogue scale (VAS)...
May 15, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28504066/the-association-of-recreational-and-competitive-running-with-hip-and-knee-osteoarthritis-a-systematic-review-and-meta-analysis
#18
Eduard Alentorn-Geli, Kristian Samuelsson, Volker Musahl, Cynthia L Green, Mohit Bhandari, Jón Karlsson
Study Design Systematic review and meta-analysis. Background Running is a healthy and popular activity worldwide, but data regarding its association with osteoarthritis (OA) are conflicting. Objectives To evaluate the association of hip and knee OA with running and to explore the influence of running intensity on this association. Methods PubMed, EMBASE and Cochrane Library databases were used to identify studies investigating the occurrence of OA of the hip and/or knee among runners. Studies comparing this occurrence between runners and controls (sedentary, non-running individuals) were meta-analyzed...
May 13, 2017: Journal of Orthopaedic and Sports Physical Therapy
https://www.readbyqxmd.com/read/28503072/long-term-clinical-benefit-and-cost-effectiveness-of-an-8-week-multimodal-knee-osteoarthritis-management-program-incorporating-intra-articular-sodium-hyaluronate-hyalgan-%C3%A2-injections
#19
Larry E Miller, Michael J Sloniewsky, Thomas E Gibbons, Janice G Johnston, Kent D Vosler, Saad Nasir
BACKGROUND: Given the poor long-term effectiveness of focused nonsurgical knee osteoarthritis (OA) treatments, alternative therapies are needed for patients who have unsuccessfully exhausted nonsurgical options. METHODS: A telephone interview was conducted in patients who participated in a single 8-week multimodal knee OA treatment program (mean follow-up: 3.7 years, range: 2.7-4.9 years). The program consisted of five intra-articular knee injections of sodium hyaluronate (Hyalgan(®)), with each injection given 1 week apart, structured physical therapy, knee bracing, and patient education...
2017: Journal of Pain Research
https://www.readbyqxmd.com/read/28503046/reflections-about-osteoarthritis-and-curcuma-longa
#20
REVIEW
Marina Cristina Akuri, Sandra Maria Barbalho, Raíssa Meira Val, Elen Landgraf Guiguer
Osteoarthritis (OA) is a chronic inflammatory degenerative process that affects joints such as the hands, hips, shoulders, feet, spine, and especially knees in millions of people worldwide. Some authors have shown that Curcuma longa components may exhibit benefic effects in the treatment of degenerative diseases as OA. This plant belongs to the family Zingiberaceae and it is popularly known as turmeric or saffron. This review intended to perform a retrospective search to identify studies involving humans and animal models...
January 2017: Pharmacognosy Reviews
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