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knee joint space width in osteoarthritis

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https://www.readbyqxmd.com/read/29245351/fixed-flexion-view-x-ray-of-the-knee-superior-in-detection-and-follow-up-of-knee-osteoarthritis
#1
Hiroyuki Kan, Yuji Arai, Masashi Kobayashi, Shuji Nakagawa, Hiroaki Inoue, Manabu Hino, Shintaro Komaki, Kazuya Ikoma, Keiichiro Ueshima, Hiroyoshi Fujiwara, Isao Yokota, Toshikazu Kubo
A fixed flexion view (FFV) is useful for evaluating joint space when assessing the severity of osteoarthritis (OA) of the knee. We analyzed changes in joint space revealed by standing extended view (SEV) and FFV over a mean 4 years, to compare both views on their capacity to measure joint space width accurately at particular time points during follow-up.SEV and FFV images were acquired in patients with knee OA. The 81 patients (157 knees) followed up for ≥24 months were selected as study subjects. Medial joint space widths (MJSW), Kellgren-Lawrence (KL) grades, and reductions in MJSW on SEV (ΔSEV) and FFV (ΔFFV) were compared in knees evaluated by SEV and FFV...
December 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29178030/sensitivity-to-change-and-association-of-three-dimensional-meniscal-measures-with-radiographic-joint-space-width-loss-in-rapid-clinical-progression-of-knee-osteoarthritis
#2
Melanie Roth, Katja Emmanuel, Wolfgang Wirth, C Kent Kwoh, David J Hunter, Felix Eckstein
OBJECTIVE: To determine whether 3D meniscal measures had similar sensitivity to longitudinal change as cartilage thickness; to what extent these measures are associated with longitudinal joint space width (JSW) change; and whether the latter associations differ between minimum (mJSW) and fixed-location JSW. METHODS: Two-year changes in medial meniscal position and morphology, cartilage thickness (MRI) and minimum and fixed-location JSW (radiography) were determined in 35 Osteoarthritis Initiative knees [12 men, age: 67 (51-77) years; 23 women, age: 65 (54-78) years], progressing from baseline Kellgren-Lawrence grade ≤2 to knee replacement within 3-5 years...
November 24, 2017: European Radiology
https://www.readbyqxmd.com/read/29159676/the-posterior-anterior-flexed-view-is-better-than-the-anterior-posterior-view-for-assessing-osteoarthritis-of-the-knee
#3
Kilian Rueckl, Friedrich Boettner, Noor Maza, Armin Runer, Ulrich Bechler, Peter Sculco
OBJECTIVE: The aim of this study is to determine whether the posterior-anterior (PA)-flexed view improves the radiographic assessment of patients with knee pain compared with the standard standing anterior-posterior radiograph. MATERIALS AND METHODS: Three hundred and sixty-five patients with knee pain underwent anterior-posterior (AP), PA flexed, lateral, and Merchant radiographs of the knee. Knees were grouped as mild (Kellgren and Lawrence [K-L] 1-2) or severe (K-L 3-4) osteoarthritis (OA) and either varus (medial compartment), valgus (lateral compartment), or patellofemoral OA...
November 20, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/29132902/histopathological-assessment-of-primary-osteoarthritic-knees-in-large-patient-cohort-reveal-the-possibility-of-several-potential-patterns-of-osteoarthritis-initiation
#4
V P Mantripragada, N S Piuzzi, T Zachos, N A Obuchowski, G F Muschler, R J Midura
OBJECTIVE: The two main objectives of the study include (1) Test the hypothesis that the lateral femoral condyle (LFC) in patients with primary OA and varus knees undergoing total knee arthroplasty (TKA) can be used as a model to better characterize varying histological features of human OA, (2) Correlate characteristic OA features using the established histopathological scoring systems (HHGS and OARSI) to understand potential histopathological patterns of OA initiation. DESIGN: Two osteochondral specimens (4×4×8mm) were collected from fifty patient's LFC at the time of TKA (total 100 specimens), who presented preserved lateral knee compartment with joint space width>2mm...
November 10, 2017: Current Research in Translational Medicine
https://www.readbyqxmd.com/read/29046045/comparative-study-of-clinical-and-radiographic-outcomes-of-high-tibial-osteotomy-in-patients-with-kissing-lesions-and-non-kissing-lesions
#5
Oog-Jin Shon, Sang-Jin Park, Bum-Jin Shim, Dong-Yeol Lee
Purpose: High Outerbridge grade lesions of the articular cartilage have been associated with poor outcomes of high tibial osteotomy (HTO). However, there has been no report on the efficacy of HTO in the presence of kissing lesions. The purpose of this study was to compare clinical and radiographic outcomes of HTO between kissing lesion and non-kissing lesion groups. Materials and Methods: Of the patients with medial compartment osteoarthritis and varus deformity treated with HTO between 2007 and 2012, 21 cases with kissing lesions and 22 cases without kissing lesions were selected...
October 19, 2017: Knee Surgery & related Research
https://www.readbyqxmd.com/read/29037516/statin-use-and-knee-osteoarthritis-progression-results-from-a-post-hoc-analysis-of-the-sekoia-trial
#6
Florent Eymard, Camille Parsons, Mark H Edwards, Florence Petit-Dop, Jean-Yves Reginster, Olivier Bruyère, Xavier Chevalier, Cyrus Cooper, Pascal Richette
OBJECTIVE: Epidemiological and experimental studies have suggested that lipid disorders might be involved in the pathophysiology of knee osteoarthritis (OA). Studies assessing the effect of statins on knee OA progression have shown conflicting results. We investigated the impact of statin use on radiological progression in patients with radiological and symptomatic knee OA. METHODS: 336 patients from the placebo arm of SEKOIA trial completed the 3-year follow-up and were included in this post-hoc analysis...
October 13, 2017: Joint, Bone, Spine: Revue du Rhumatisme
https://www.readbyqxmd.com/read/29034136/threshold-limit-graphical-approach-to-understanding-outcome-predictive-metrics-data-from-the-osteoarthritis-initiative
#7
John A Hipp, Elaine F Chan
Scatter plots, bar charts, linear regressions, analysis of variance, and other graphics and tests are frequently used to document associations between an independent variable and an outcome. However, these methods are also frequently limited when understanding how to use an independent variable in subsequent research or patient management. A novel graphical approach to visualizing data-the threshold limit graph-was therefore developed. Publically available data from the Osteoarthritis Initiative was used to illustrate the graphical approach to understanding the association between the change in joint space width (ΔJSW, independent variable) over four years, and knee symptoms at four years (using the Knee Injury and Osteoarthritis Outcome Score [KOOS], dependent variable)...
July 8, 2017: Curēus
https://www.readbyqxmd.com/read/29024546/bone-reading-to-predict-the-future
#8
EDITORIAL
Martin Englund, Aleksandra Turkiewicz, Pawel Podsiadlo
Human skeletal remains may provide information about health status and injuries from hundreds of thousands of years ago. However, the bones in living individuals have the potential to tell us something about future health as well. In the current issue of Arthritis & Rheumatology, Kraus et al report data of prediction of osteoarthritis (OA) progression using tibial subchondral trabecular bone texture (TBT) from plain knee radiographs (1). The ability of medial TBT was assessed to predict pain progression (an increase in WOMAC score), radiographic OA progression (a loss in joint space width [JSW]), and OA status (a combination of pain and radiographic OA progression), over 24-48 months...
October 12, 2017: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/29024470/predictive-validity-of-radiographic-trabecular-bone-texture-in-knee-osteoarthritis-the-osteoarthritis-research-society-international-foundation-for-the-national-institutes-of-health-osteoarthritis-biomarkers-consortium
#9
Virginia Byers Kraus, Jamie E Collins, H Cecil Charles, Carl F Pieper, Lawrence Whitley, Elena Losina, Michael Nevitt, Steve Hoffmann, Frank Roemer, Ali Guermazi, David J Hunter
OBJECTIVE: To evaluate radiographic subchondral trabecular bone texture (TBT) as a predictor of clinically relevant osteoarthritis (OA) progression (combination of symptom and structural worsening). METHODS: The Foundation for the National Institutes of Health (FNIH) OA Biomarkers Consortium undertook a study of progressive knee OA cases (n = 194 knees with both radiographic and pain progression over 24-48 months) and comparators (n = 406 OA knees not meeting the case definition)...
October 12, 2017: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/28941552/race-sex-and-risk-factors-in-radiographic-worsening-of-knee-osteoarthritis
#10
Ernest R Vina, Di Ran, Erin L Ashbeck, Charles Ratzlaff, C Kent Kwoh
OBJECTIVES: Characterize radiographic worsening in knee osteoarthritis (KOA) by race and sex over 4 years and evaluate the role of established risk factors in observed race/sex differences. METHODS: Whites (WHs) (694 males and 929 females) and African-Americans (AAs) (92 males and 167 females) at risk for radiographic KOA were eligible. Cox shared frailty models were used to estimate race and sex group differences in radiographic worsening, defined by Kellgren-Lawrence (K-L) and OARSI joint space narrowing (JSN)...
August 31, 2017: Seminars in Arthritis and Rheumatism
https://www.readbyqxmd.com/read/28920170/meniscal-extrusion-seen-on-ultrasonography-affects-the-development-of-radiographic-knee-osteoarthritis-a-3-year-prospective-cohort-study
#11
Daisuke Chiba, Shugo Maeda, Eiji Sasaki, Seiya Ota, Shigeyuki Nakaji, Eiichi Tsuda, Yasuyuki Ishibashi
The objective of this study is to determine whether meniscal extrusion (ME) of the medial meniscus on ultrasonography affects knee osteoarthritis (KOA) progression during 3-year follow-up. Two hundred seventy volunteers (70 men, 200 women; mean age 60.5 years) participated. Weight-bearing radiographs were evaluated. All subjects had medial radiographic KOA (Kellgren-Lawrence grade [KLG], ≥ 2) in at least one knee at baseline (BL). KLG 2 was defined as moderate KOA (MKOA); KLG 3 and 4 were defined as severe KOA (SKOA)...
November 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/28888878/effect-of-vitamin-d-supplementation-on-knee-osteoarthritis-a-systematic-review-and-meta-analysis-of-randomized-clinical-trials
#12
REVIEW
Naicheng Diao, Bo Yang, Fei Yu
OBJECTIVE: To provide evidence regarding the effect of vitamin D supplementation on symptomatic knee osteoarthritis (OA). METHODS: A systematic review and meta-analysis was performed to quantitatively pool the results from randomized clinical trials. Studies were identified from a search of the Embase, MEDLINE and Web of Science databases up to January 22, 2017, and also from conference abstracts, ClinicalTrials.gov and the reference lists of identified studies...
September 6, 2017: Clinical Biochemistry
https://www.readbyqxmd.com/read/28838858/predictive-and-concurrent-validity-of-cartilage-thickness-change-as-a-marker-of-knee-osteoarthritis-progression-data-from-the-osteoarthritis-initiative
#13
W Wirth, D J Hunter, M C Nevitt, L Sharma, C K Kwoh, C Ladel, F Eckstein
OBJECTIVE: To investigate the predictive and concurrent validity of magnetic resonance imaging (MRI)-based cartilage thickness change between baseline (BL) and year-two (Y2) follow-up (predictive validity) and between Y2 and Y4 follow-up (concurrent validity) for symptomatic and radiographic knee osteoarthritis (OA) progression during Y2→Y4. METHODS: 777 knees from 777 Osteoarthritis Initiative (OAI) participants (age: 61.3 ± 9.0 years, BMI: 30.1 ± 4.8 kg/m(2)) with Kellgren Lawrence (KL) grade 1-3 at Y2 (visit before progression interval) had cartilage thickness measurements from 3T MRI at BL, Y2 (n = 777), and Y4 (n = 708)...
December 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/28772066/varus-thrust-and-incident-and-progressive-knee-osteoarthritis
#14
Leena Sharma, Alison H Chang, Rebecca D Jackson, Michael Nevitt, Kirsten C Moisio, Marc Hochberg, Charles Eaton, C Kent Kwoh, Orit Almagor, Jane Cauley, Joan S Chmiel
OBJECTIVE: To determine if varus thrust, a bowing out of the knee during gait (i.e., the first appearance or worsening of varus alignment during stance), is associated with incident and progressive knee osteoarthritis (OA), we undertook an Osteoarthritis Initiative ancillary study. We further considered hypothesized associations adjusted for static alignment, anticipating some attenuation. METHODS: Gait was observed for the presence of thrust by 1 of 2-3 examiners per study site at 4 sites...
November 2017: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/28768528/safety-tolerability-clinical-and-joint-structural-outcomes-of-a-single-intra-articular-injection-of-allogeneic-mesenchymal-precursor-cells-in-patients-following-anterior-cruciate-ligament-reconstruction-a-controlled-double-blind-randomised-trial
#15
Yuanyuan Wang, Andrew Shimmin, Peter Ghosh, Paul Marks, James Linklater, David Connell, Stephen Hall, Donna Skerrett, Silviu Itescu, Flavia M Cicuttini
BACKGROUND: Few clinical trials have investigated the safety and efficacy of mesenchymal stem cells for the management of post-traumatic osteoarthritis. The objectives of this pilot study were to determine the safety and tolerability and to explore the efficacy of a single intra-articular injection of allogeneic human mesenchymal precursor cells (MPCs) to improve clinical symptoms and retard joint structural deterioration over 24 months in patients following anterior cruciate ligament (ACL) reconstruction...
August 2, 2017: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/28756278/effects-of-dietary-weight-loss-with-and-without-exercise-on-interstitial-matrix-turnover-and-tissue-inflammation-biomarkers-in-adults-with-knee-osteoarthritis-the-intensive-diet-and-exercise-for-arthritis-trial-idea
#16
R F Loeser, D P Beavers, A C Bay-Jensen, M A Karsdal, B J Nicklas, A Guermazi, D J Hunter, S P Messier
OBJECTIVE: To examine the effects of dietary weight loss, with and without exercise, on selected soluble biomarkers in overweight and obese older adults with symptomatic knee osteoarthritis (OA). DESIGN: Blood samples were analyzed from 429 participants in the Intensive Diet and Exercise for Arthritis (IDEA) trial randomized to either an 18 month exercise control group (E), weight loss diet (D), or D + E. C1M, C2M, C3M and CRPM biomarkers and interleukin-6 (IL-6) were quantitated using ELISAs...
November 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/28711582/a-novel-wnt-pathway-inhibitor-sm04690-for-the-treatment-of-moderate-to-severe-osteoarthritis-of-the-knee-results-of-a-24-week-randomized-controlled-phase-1-study
#17
Y Yazici, T E McAlindon, R Fleischmann, A Gibofsky, N E Lane, A J Kivitz, N Skrepnik, E Armas, C J Swearingen, A DiFrancesco, J R S Tambiah, J Hood, M C Hochberg
OBJECTIVE: To assess the safety, pharmacokinetics, and exploratory efficacy of SM04690, a novel Wnt pathway inhibitor, as a potential disease modifying treatment for knee osteoarthritis (OA). DESIGN: Subjects with Kellgren-Lawrence grade 2-3 knee OA were randomized in successive dose-escalation cohorts to receive a knee intra-articular (IA) injection with 0.03, 0.07, or 0.23 mg SM04690, or placebo (PBO) (4:1 ratio). Safety, pharmacokinetics, efficacy (WOMAC Total/Function/Pain, Pain VAS, Physician Global Assessment [MDGA], and OMERACT-OARSI Response), OA-related biomarker (P1NP, ß-CTX, and cartilage oligomeric matrix protein [COMP]), and radiographic/imaging data were collected at baseline and during 24-week follow-up...
July 13, 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/28698106/longitudinal-change-in-thigh-muscle-strength-prior-to-and-concurrent-with-symptomatic-and-radiographic-knee-osteoarthritis-progression-data-from-the-osteoarthritis-initiative
#18
J Kemnitz, W Wirth, F Eckstein, A Ruhdorfer, A G Culvenor
OBJECTIVE: To investigate whether symptomatic and/or radiographic knee osteoarthritis (KOA) progression is associated with prior and/or concurrent change in thigh muscle strength in men or women. DESIGN: Osteoarthritis Initiative (OAI) participants with isometric muscle strength measurements at baseline, 2- and 4-year follow-up (n = 1785: 1016 women) were grouped into 1) those with vs without symptomatic progression (i.e., increase ≥9 in WOMAC-pain [scale: 0-100]); and 2) those with vs without radiographic progression (i...
July 8, 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/28651262/relationship-of-radiographic-osteoarthritis-severity-with%C3%A2-treatment-outcomes-after-imaging-guided-knee%C3%A2-injections-a-prospective-outcomes-study
#19
Ivan Miletic, Christoph Agten, Reto Sutter, Christian Pfirrmann, Cynthia Peterson
Introduction To be able to predict which patients are more likely to have a positive treatment outcome, the purpose of this study is 1: To compare outcomes after intra-articular corticosteroid knee injections with the Kellgren and Lawrence (KL) 5 and 3 grading systems for knee osteoarthritis, the Osteoarthritis Research Society International (OARSI) grading system and actual joint space measurements; and 2: To compare the reliability of these grading systems. Materials and Methods Knee radiographs of 117 patients who received intra-articular corticosteroid injections were independently evaluated by two radiologists blinded to the outcome...
June 26, 2017: RöFo: Fortschritte Auf Dem Gebiete der Röntgenstrahlen und der Nuklearmedizin
https://www.readbyqxmd.com/read/28618871/five-year-follow-up-of-knee-joint-distraction-clinical-benefit-and-cartilaginous-tissue-repair-in-an-open-uncontrolled-prospective-study
#20
Jan-Ton A D van der Woude, Karen Wiegant, Peter M van Roermund, Femke Intema, Roel J H Custers, Felix Eckstein, Jaap M van Laar, Simon C Mastbergen, Floris P J G Lafeber
Objective In end-stage knee osteoarthritis, total knee arthroplasty (TKA) may finally become inevitable. At a relatively young age, this comes with the risk of future revision surgery. Therefore, in these cases, joint preserving surgery such as knee joint distraction (KJD) is preferred. Here we present 5-year follow-up data of KJD. Design Patients ( n = 20; age <60 years) with conservative therapy resistant tibiofemoral osteoarthritis considered for TKA were treated. Clinical evaluation was performed by questionnaires...
July 2017: Cartilage
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