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Knee Osteoarthritis

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https://www.readbyqxmd.com/read/28944439/hyperintense-signal-alteration-in-the-suprapatellar-fat-pad-on-mri-is-associated-with-degeneration-of-the-patellofemoral-joint-over-48%C3%A2-months-data-from-the-osteoarthritis-initiative
#1
Benedikt J Schwaiger, John Mbapte Wamba, Alexandra S Gersing, Michael C Nevitt, Luca Facchetti, Charles E McCulloch, Thomas M Link
OBJECTIVE: To analyze associations of suprapatellar fat pad (SPFP) hyperintense signal alterations and mass effect with progression of patellofemoral osteoarthritis (OA) and clinical symptoms over 48 months. MATERIALS AND METHODS: Subjects from the Osteoarthritis Initiative (n = 426; 51.8 ± 3.8 years; 49.8% women) without radiographic tibiofemoral OA underwent 3T-MRI of their right knees and clinical evaluation using the Knee Injury and Osteoarthritis Outcome Score at baseline and at 48 months...
September 24, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28943182/the-relationship-between-the-dietary-inflammatory-index-and-incident-frailty-a-longitudinal-cohort-study
#2
Nitin Shivappa, Brendon Stubbs, James R Hébert, Matteo Cesari, Patricia Schofield, Pinar Soysal, Stefania Maggi, Nicola Veronese
OBJECTIVE: Inflammation is key risk factor for several conditions in the elderly. However, the relationship between inflammation and frailty is still unclear. We investigated whether higher dietary inflammatory index (DII) scores were associated with higher incidence of frailty in a cohort of North Americans. DESIGN: Longitudinal, with a follow-up of 8 years. SETTING: Osteoarthritis Initiative. PARTICIPANTS: A total of 4421 participants with, or at high risk of, knee osteoarthritis...
September 21, 2017: Journal of the American Medical Directors Association
https://www.readbyqxmd.com/read/28943099/a-systematic-review-of-the-effects-of-platelet-rich-plasma-on-outcomes-for-patients-with-knee-osteoarthritis-and-following-total-knee-arthroplasty
#3
REVIEW
Tendai Aswad Muchedzi, Simon B Roberts
INTRODUCTION: Platelet rich plasma (PRP) has been suggested to be effective in the management of knee osteoarthritis. Review of current literature reveals conflicting evidence regarding the benefits of PRP in treating knee OA. Preclinical evidence supports the use of PRP injections to promote a favorable environment for joint tissue healing, targeting not only cartilage but also synovial and meniscal tissues which has a positive effect on delaying the progression of OA. Growth factors found in platelet granules are postulated to influence outcomes in knee OA and after total knee arthroplasty (TKA)...
September 21, 2017: Surgeon: Journal of the Royal Colleges of Surgeons of Edinburgh and Ireland
https://www.readbyqxmd.com/read/28942549/the-effect-of-vitamin-d-status-on-pain-lower-limb-strength-and-knee-function-during-balance-recovery-in-people-with-knee-osteoarthritis-an-exploratory-study
#4
Pazit Levinger, Rezaul Begg, Kerrie M Sanders, Hanatsu Nagano, Calum Downie, Aaron Petersen, Alan Hayes, Flavia Cicuttini
The association between vitamin D and muscle function associated with balance recovery and falls in people with knee osteoarthritis is unclear. Those with vitamin D insufficiency demonstrated poorer knee function during balance recovery, greater pain and locomotor dysfunction. Vitamin D insufficiency may have an adverse effect on muscle power function. PURPOSE: Low vitamin D status in people with knee osteoarthritis (OA) is often reported to be associated with increased pain and locomotor dysfunction...
September 23, 2017: Archives of Osteoporosis
https://www.readbyqxmd.com/read/28942225/arthroscopic-deepening-trochleoplasty-for-chronic-anterior-knee-pain-after-previous-failed-conservative-and-arthroscopic-treatment-report-of-two-cases
#5
Lars Blønd
PURPOSE: A proportion of patients having years of chronic anterior knee pain(AKP) that have not responded to non-operative modalities. Trochlear dysplasia have been found to be a cause for AKP. By restoring the anatomy with a trochleoplasty procedure the patellofemoral joint is unloaded. This study is a prospective 2year follow-up study, based on two cases with chronic AKP for several years and having severe trochlear dysplasia and both were successfully treated by arthroscopic deepening trochleoplasty...
September 14, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28941552/race-sex-and-risk-factors-in-radiographic-worsening-of-knee-osteoarthritis
#6
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/28940779/knee-alignment-is-quantitatively-related-to-periarticular-bone-morphometry-and-density-especially-in-those-with-osteoarthritis
#7
Grace H Lo, Mehveen Merchant, Jeffrey B Driban, Jeffrey Duryea, Lori Lyn Price, Charles B Eaton, Timothy E McAlindon
OBJECTIVE: Static alignment influences knee loading and predicts osteoarthritis (OA) progression. Periarticular bone is important in dispersing forces across the knee. And there is substantial evidence for molecular crosstalk between cartilage and subchondral bone. Our objective was to evaluate the relationship of periarticular trabecular morphology and bone mineral density (BMD) with knee alignment. METHODS: This was a cross-sectional analysis of Osteoarthritis Initiative (OAI) Bone Ancillary Study participants...
September 21, 2017: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/28940031/the-role-of-thermal-balneotherapy-in-the-treatment-of-obese-patient-with-knee-osteoarthritis
#8
Stefano Masiero, Filippo Vittadini, Costanza Ferroni, Anna Bosco, Roberto Serra, Anna Chiara Frigo, Antonio Frizziero
Osteoarthritis (OA) is the most common form of arthritis clinically characterized by joint pain, functional limitation, and reduced quality of life. Several studies have shown a clear link between obesity and higher risk of knee OA. According to the multifactorial OA pathogenesis, the management of this condition requires a multidisciplinary approach. The objective of this study is to evaluate hydrokinesitherapy effects in thermal setting in obese patients with knee OA. Fifty-three patients were assessed for eligibility, of which 33 refused the treatment, while 10 patients dropped out after the enrollment for personal reasons or inability to adhere to the program...
September 22, 2017: International Journal of Biometeorology
https://www.readbyqxmd.com/read/28939034/the-popularity-of-outcome-measures-for-hip-and-knee-arthroplasties
#9
Thomas M Lovelock, Nigel S Broughton, Cylie M Williams
BACKGROUND: The optimal methods of determining outcomes following hip and knee arthroplasty remain controversial. The objectives of this study were to determine the most frequently used outcome measures in randomized controlled trials (RCT) and study protocols registered with clinical trials registries (CTR) on hip and knee arthroplasty. METHODS: A systematic search strategy was undertaken to identify the outcome measures used in RCT and CTR following joint arthroplasty...
September 1, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28939032/preoperative-diagnosis-can-predict-conversion-total-knee-arthroplasty-outcomes
#10
David H Ge, Afshin A Anoushiravani, Benjamin S Kester, Jonathan M Vigdorchik, Ran Schwarzkopf
BACKGROUND: Compared to total knee arthroplasty (TKA) for primary osteoarthritis, conversion TKAs in the post-traumatic setting are associated with increased operative times, infection rates, and readmissions. We aim at determining how post-traumatic osteoarthritis and previous knee surgery influence postoperative outcomes in conversion TKA. METHODS: Seventy-two conversion TKA procedures with prior knee trauma at a single institution between April 2012 and 2016 were examined...
August 24, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28937501/patients-less-likely-to-lose-weight-following-a-knee-replacement-results-from-the-osteoarthritis-initiative
#11
Christine A Pellegrini, Jing Song, Pamela A Semanik, Rowland W Chang, Jungwha Lee, Abigail L Gilbert, Daniel Pinto, Linda Ehrlich-Jones, Dorothy D Dunlop
BACKGROUND: Knee replacement typically results in reduced pain and improved function, but it is unclear if these improvements lead to weight loss. OBJECTIVE: The purpose of this study was to examine weight change patterns preoperatively and postoperatively among overweight/obese knee replacement patients. METHODS: The study evaluated 210 overweight/obese patients from the Osteoarthritis Initiative who underwent a knee replacement during an 8-year longitudinal study...
September 21, 2017: Journal of Clinical Rheumatology: Practical Reports on Rheumatic & Musculoskeletal Diseases
https://www.readbyqxmd.com/read/28937470/patients-less-likely-to-lose-weight-following-a-knee-replacement-results-from-the-osteoarthritis-initiative
#12
Christine A Pellegrini, Jing Song, Pamela A Semanik, Rowland W Chang, Jungwha Lee, Abigail L Gilbert, Daniel Pinto, Linda Ehrlich-Jones, Dorothy D Dunlop
BACKGROUND: Knee replacement typically results in reduced pain and improved function, but it is unclear if these improvements lead to weight loss. OBJECTIVE: The purpose of this study was to examine weight change patterns preoperatively and postoperatively among overweight/obese knee replacement patients. METHODS: The study evaluated 210 overweight/obese patients from the Osteoarthritis Initiative who underwent a knee replacement during an 8-year longitudinal study...
October 2017: Journal of Clinical Rheumatology: Practical Reports on Rheumatic & Musculoskeletal Diseases
https://www.readbyqxmd.com/read/28937277/injectable-viscoelastic-supplements-a-review-for-radiologists
#13
Dermot J Bowden, Caoimhe A Byrne, Abdullah Alkhayat, Stephen J Eustace, Eoin C Kavanagh
OBJECTIVE: Hyaluronic acid (HA) is increasingly used by musculoskeletal radiologists in the treatment of osteoarthritis (OA). Although the evidence base for its efficacy is controversial, it remains in common use. With initial evidence suggesting its efficacy in the knee, it is now offered for treating OA of the hip, ankle, and elsewhere. CONCLUSION: HA is available in a wide variety of preparations, which may vary in concentration and chemical composition. Clinicians offering intraarticular HA injection should be familiar with the common preparations available and the principal differences between them, its mechanism of action, and the profile of adverse effects associated with its use...
October 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28935435/subchondral-tibial-bone-texture-predicts-the-incidence-of-radiographic-knee-osteoarthritis-data-from-the-osteoarthritis-initiative
#14
T Janvier, R Jennane, H Toumi, E Lespessailles
OBJECTIVES: To evaluate whether trabecular bone texture (TBT) parameters measured on computed radiographs could predict the onset of radiographic knee osteoarthritis (OA). MATERIALS AND METHODS: Subjects from the Osteoarthritis Initiative with no sign of radiographic OA at baseline were included. Cases that developed either a global radiographic OA defined by the Kellgren-Lawrence (KL) scale, a joint space narrowing (JSN) or tibial osteophytes (TOS) were compared with the controls with no changes after 48 months of follow-up...
September 18, 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/28934966/effectiveness-of-an-interactive-telerehabilitation-system-with-home-based-exercise-training-in-patients-after-total-hip-or-knee-replacement-study-protocol-for-a-multicenter-superiority-no-blinded-randomized-controlled-trial
#15
Sarah Eichler, Sophie Rabe, Annett Salzwedel, Steffen Müller, Josefine Stoll, Nina Tilgner, Michael John, Karl Wegscheider, Frank Mayer, Heinz Völler
BACKGROUND: Total hip or knee replacement is one of the most frequently performed surgical procedures. Physical rehabilitation following total hip or knee replacement is an essential part of the therapy to improve functional outcomes and quality of life. After discharge from inpatient rehabilitation, a subsequent postoperative exercise therapy is needed to maintain functional mobility. Telerehabilitation may be a potential innovative treatment approach. We aim to investigate the superiority of an interactive telerehabilitation intervention for patients after total hip or knee replacement, in comparison to usual care, regarding physical performance, functional mobility, quality of life and pain...
September 21, 2017: Trials
https://www.readbyqxmd.com/read/28934878/surgical-preparation-for-articular-cartilage-regeneration-in-the-osteoarthritic-knee-joint
#16
Joerg Mika, Thomas O Clanton, Catherine G Ambrose, Raimund W Kinne
PURPOSE: Autologous chondrocyte implantation (ACI) is a treatment option even in early osteoarthritis (OA). Surgical preparation for ACI should avoid penetration of the subchondral bone plate to prevent hemorrhage, fibrin clot formation, and subsequent activation of the inflammatory response. HYPOTHESIS: Current surgical procedures with ring curettes preserve the integrity of the subchondral bone plate, even in patients with OA. METHODS: Subchondral femoral bone plates ( n = 40) of OA knees undergoing total knee arthroplasty were prepared in vivo using standard, non-brute-force debridement for ACI...
October 2017: Cartilage
https://www.readbyqxmd.com/read/28934876/comparison-of-intra-articular-injection-of-hyaluronic-acid-and-n-acetyl-cysteine-in-the-treatment-of-knee-osteoarthritis-a-pilot-study
#17
Mustafa Ozcamdalli, Abdulhamit Misir, Turan Bilge Kizkapan, Erdal Uzun, Fuat Duygulu, Cevat Yazici, Ibrahim Halil Kafadar
Objective To compare the relative effectiveness of intra-articular N-acetyl cysteine (NAC) and hyaluronic acid (HA) on pain, function and cartilage degradation markers in patients with mild to moderate knee osteoarthritis (OA). Design We prospectively conducted a clinical trial with 20 patients having a diagnosis of Kellgren-Lawrence grade 2-3 knee OA, and randomly allocated to the HA or NAC groups. Groups were matched on age, sex, and body mass index. Injections of 3-mL HA (Hylan G-F 20) or 3-mL NAC (Asist ampoule) were administered as a single shot...
October 2017: Cartilage
https://www.readbyqxmd.com/read/28934866/initial-experience-with-synthetic-mri-of-the-knee-at-3t-comparison-with-conventional-t-1-weighted-imaging-and-t2-mapping
#18
Sunghoon Park, Kyu-Sung Kwack, Young Ju Lee, Sung-Min Gho, Hyun Young Lee
OBJECTIVE: To assess the feasibility and accuracy of synthetic magnetic resonance imaging (MRI) compared to conventional T1-weighted and multi-echo spin-echo (MESE) sequences for obtaining T2 values in the knee joint at 3 Tesla. METHODS: This retrospective study included 19 patients with normal findings in the knee joint who underwent both synthetic MRI and MESE pulse sequences for T2 quantification. T2 values of the two sequences at the articular cartilage, bone marrow, and muscle were measured...
September 21, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28934396/evaluation-of-shared-genetic-aetiology-between-osteoarthritis-and-bone-mineral-density-identifies-smad3-as-a-novel-osteoarthritis-risk-locus
#19
Sophie Hackinger, Katerina Trajanoska, Unnur Styrkarsdottir, Eleni Zengini, Julia Steinberg, Graham R S Ritchie, Konstantinos Hatzikotoulas, Arthur Gilly, Evangelos Evangelou, John P Kemp, David Evans, Thorvaldur Ingvarsson, Helgi Jonsson, Unnur Thorsteinsdottir, Kari Stefansson, Andrew W McCaskie, Roger A Brooks, Jeremy M Wilkinson, Fernando Rivadeneira, Eleftheria Zeggini
Osteoarthritis (OA) is a common complex disease with high public health burden and no curative therapy. High bone mineral density (BMD) is associated with an increased risk of developing OA, suggesting a shared underlying biology. Here, we performed the first systematic overlap analysis of OA and BMD on a genome wide scale. We used summary statistics from the GEFOS consortium for lumbar spine (n = 31,800) and femoral neck (n = 32,961) BMD, and from the arcOGEN consortium for three OA phenotypes (hip, ncases=3,498; knee, ncases=3,266; hip and/or knee, ncases=7,410; ncontrols=11,009)...
October 1, 2017: Human Molecular Genetics
https://www.readbyqxmd.com/read/28933742/vitamin-d-supplementation-improves-quality-of-life-and-physical-performance-in-osteoarthritis-patients
#20
Pacharee Manoy, Pongsak Yuktanandana, Aree Tanavalee, Wilai Anomasiri, Srihatach Ngarmukos, Thanathep Tanpowpong, Sittisak Honsawek
(1) Background: Lower levels of serum 25-hydroxyvitamin D (25(OH)D) are common in osteoarthritis (OA) patients. However, the effect of vitamin D supplementation on muscle strength and physical performance remains unclear. This study will investigate the effects of vitamin D₂ supplementation on muscle strength and physical performance in knee OA patients; (2) Methods: One hundred and seventy-five primary knee OA patients with low levels of serum 25(OH)D (<30 ng/mL) received 40,000 IU vitamin D₂ (ergocalciferol) per week for six months...
July 26, 2017: Nutrients
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