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Oxford knee replacement

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https://www.readbyqxmd.com/read/29423757/comparing-the-validity-and-responsiveness-of-the-eq-5d-5l-to-the-oxford-hip-and-knee-scores-and-sf-12-in-osteoarthritis-patients-1-year-following-total-joint-replacement
#1
Barbara L Conner-Spady, Deborah A Marshall, Eric Bohm, Michael J Dunbar, Tom W Noseworthy
PURPOSE: (1) To assess responsiveness of the EQ-5D-5L compared to Oxford hip and knee scores and the SF-12 in osteoarthritis patients undergoing total hip (THR) or knee (TKR) replacement surgery; (2) to compare distribution and anchor-based methods of assessing responsiveness. METHODS: Questionnaires were mailed to consecutive patients following surgeon referral for primary THR or TKR and 1 year post-surgery. We assessed effect size (ES), standardized response mean (SRM), and standard error of measurement (SEM)...
February 8, 2018: Quality of Life Research
https://www.readbyqxmd.com/read/29396055/the-twin-peg-oxford-knee-medium-term-survivorship-and-surgical-principles
#2
Stephen H White, Sharon Roberts, Jan Herman Kuiper
BACKGROUND: A multicentre study of single peg Oxford knees reported failure associated with osteoarthritis progression, femoral component loosening, unexplained pain and meniscal bearing dislocation. Suboptimally positioned femoral components and intraoperative MCL damage could explain these problems. We hypothesised that modifying implantation technique to optimise femoral component positioning and MCL preservation, and introducing the twin peg Oxford knee would address these problems and improve longer term survival...
January 30, 2018: Knee
https://www.readbyqxmd.com/read/29366665/the-outcome-of-secondary-resurfacing-of-the-patella-following-total-knee-arthroplasty-results-from-the-trent-and-wales-arthroplasty-register
#3
Christopher Thomas, Vishal Patel, Emad Mallick, Colin Esler, Robert U Ashford
BACKGROUND: We sought to determine whether patients undergoing secondary patella resurfacing (SPR) benefited from the procedure by assessing postoperative satisfaction via a postal questionnaire. METHODS: All such patients included in the Trent and Wales Arthroplasty Register were invited to participate using patient-reported outcome measures (PROMs). We identified 223 patients who had undergone SPR over a 20-year period. Forty-two had died according to death register checks...
January 20, 2018: Knee
https://www.readbyqxmd.com/read/29346081/reported-balance-confidence-and-movement-reinvestment-of-younger-knee-replacement-patients-are-more-like-younger-healthy-individuals-than-older-patients
#4
Brian D Street, Allan Adkin, William Gage
This study focused on differences between the rapidly growing younger (<65 years old) and older (>65 years old) total knee replacement (TKR) patients for measures of balance confidence, movement reinvestment, and functional mobility. Fifty-nine participants, including twenty-nine primary unilateral TKR patients (six months post-TKR) formed the four experimental groups: 1) Younger TKR Patient (YP), 2) Younger Control (YC), 3) Older TKR Patient (OP), and 4) Older Control (OC). The Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC), the Oxford Knee Score (OKS), Activities-specific Balance Confidence scale (ABC), the Movement-Specific Reinvestment Scale (MSRS), and the Timed Up and Go (TUG) test were measured...
January 11, 2018: Gait & Posture
https://www.readbyqxmd.com/read/29343231/cementless-unicompartmental-knee-replacement-allows-early-return-to-normal-activity
#5
Benjamin Panzram, Ines Bertlich, Tobias Reiner, Tilman Walker, Sébastien Hagmann, Tobias Gotterbarm
BACKGROUND: Physical activity and regular participation in recreational sports gain importance in patients' lifestyle after knee arthroplasty. Cementless unicompartimental Knee replacement with the Oxford System has been introduced into clinical routine. Currently there is no data reporting on the physical activity, return to sports rate and quality of live after medial cementless Oxford Unicompartimental Knee Replacement (OUKR). METHODS: This retrospective cohort study reports on the functional outcome of the first 27 consecutive patients (30 knees) that were consecutively treated with a cementless medial OUKR between 2007 and 2009 in our hospital...
January 17, 2018: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/29338761/is-total-femoral-replacement-for-non-oncologic-and-oncologic-indications-a-safe-procedure-in-limb-preservation-surgery-a-single-center-experience-of-22-cases
#6
Andreas Toepfer, Norbert Harrasser, Isabel Petzschner, Florian Pohlig, Ulrich Lenze, Ludger Gerdesmeyer, Ruediger von Eisenhart-Rothe, Heinrich Mühlhofer, Christian Suren
BACKGROUND: Several surgical options for the reconstruction of massive bone defects have been described and include biologic methods with autografts and allografts, and the use of tumor endoprostheses (total femoral replacement, TFR). Several types of modular TFR are available, but nevertheless unpredictable outcomes and high complication rates have been described from most authors. The present study aims to compare results after TFR performed with modular total femur prosthesis MML (Fa...
January 16, 2018: European Journal of Medical Research
https://www.readbyqxmd.com/read/29258762/the-joint-clinic-managing-excess-demand-for-hip-and-knee-osteoarthritis-referrals-using-a-new-physiotherapy-led-outpatient%C3%A2-service
#7
David P Gwynne-Jones, Liam R Hutton, Kirsten M Stout, J Haxby Abbott
BACKGROUND: There are increasing problems with access to both outpatient assessment and joint replacement surgery for patients with hip or knee osteoarthritis. METHODS: Data were collected on all patients seen at the Joint Clinic over a 2-year period with minimum 12-month follow-up. Patients were assessed by a nurse and a physiotherapist, baseline scores and demographic details collected, and an individualized personal care plan developed. Patients could be referred for a first specialist assessment (FSA) if their severity justified surgical assessment...
December 1, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29189881/satisfactory-functional-and-radiological-outcomes-can-be-expected-in-young-patients-under-45%C3%A2-years-old-after-open-wedge-high-tibial-osteotomy-in-a-long-term-follow-up
#8
Michael E Hantes, Prodromos Natsaridis, Antonios A Koutalos, Yohei Ono, Nikolaos Doxariotis, Konstantinos N Malizos
PURPOSE: To report the long-term outcomes of medial open wedge high tibial osteotomy (MOWHTO) for the treatment of medial compartment knee osteoarthritis in patients younger than 45 years old. It was hypothesized that the correction of knee alignment would result in preservation of knee function in a long-term follow-up. METHODS: Patients under 45 years old, who underwent MOWHTO for symptomatic medial compartment knee osteoarthritis between 2001 and 2005 were retrospectively reviewed after a minimum of 10 years...
November 30, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/29107499/clinical-outcome-of-massive-endoprostheses-used-for-managing-periprosthetic-joint-infections-of-the-hip-and-knee
#9
Abtin Alvand, George Grammatopoulos, Floris de Vos, Matthew Scarborough, Ben Kendrick, Andrew Price, Roger Gundle, Duncan Whitwell, William Jackson, Adrian Taylor, Christopher L M H Gibbons
BACKGROUND: Endoprosthetic replacement (EPR) is an option for management of massive bone loss resulting from infection around failed lower limb implants. The aim of this study is to determine the mid-term outcome of EPRs performed in the treatment of periprosthetic joint infection (PJI) and infected failed osteosyntheses around the hip and knee joint and identify factors that influence it. METHODS: We retrospectively reviewed all hip and knee EPRs performed between 2007 and 2014 for the management of chronic infection following complex arthroplasty or fracture fixation...
October 5, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29096686/vaso-vitamin-d-and-arthroplasty-surgery-outcomes-study-supplementation-of-vitamin-d-deficiency-to-improve-outcomes-after-total-hip-or-knee-replacement-study-protocol-for-a-randomised-controlled-feasibility-trial
#10
Rory J M Morrison, Deborah Bunn, William K Gray, Paul N Baker, Craig White, Amar Rangan, Kenneth S Rankin, Mike R Reed
BACKGROUND: Vitamin D deficiency has been linked to poor outcomes after total hip replacement (THR) or total knee replacement (TKR), including lower patient-reported outcome measures (PROMs), peri-prosthetic infection and longer hospital stay. We present a randomised feasibility trial protocol designed to prospectively investigate the influence of vitamin D testing, and subsequent supplementation for deficiency, prior to THR/TKR. METHODS/DESIGN: One hundred adult patients undergoing primary THR/TKR for osteoarthritis at two NHS hospital trusts in North East England will be recruited...
November 2, 2017: Trials
https://www.readbyqxmd.com/read/28974402/up-to-10-year-follow-up-of-the-oxford-domed-lateral-partial-knee-replacement-from-an-independent-centre
#11
Simon D S Newman, Altay Altuntas, Helen Alsop, Justin P Cobb
BACKGROUND: The Oxford Domed Lateral Partial Knee Replacement (ODLPKR) was designed specifically for the lateral compartment in response to the unacceptable dislocation rate seen with the Oxford Partial Knee. This paper presents the up to 10-year follow-up of an independent, single surgeon series using this implant. The aim of this study is to assess the medium term outcome of the ODLPKR. The primary outcome measures were 13 revision surgery, re-operation and functional outcome. METHODS: Sixty-four knees in 58 patients were performed between 2005 and 2009...
September 30, 2017: Knee
https://www.readbyqxmd.com/read/28861196/patellofemoral-joint-arthroplasty-early-results-and-functional-outcome-of-the-zimmer-gender-solutions-patello-femoral-joint-system
#12
Donald Osarumwense, Farhan Syed, Obi Nzeako, Segun Akilapa, Omer Zubair, Jon Waite
BACKGROUND: Improved knee prosthesis designs have led to an increase in the use of patellofemoral arthroplasty as a primary treatment option in recent times. We report the early results and outcomes of the Zimmer Gender Solutions Patello-Femoral Joint (PFJ) system used to treat isolated patellofemoral osteoarthritis (PFA). METHODS: We retrospectively reviewed and analysed data of patients who underwent PFJ replacement (PFJR) at our institution with a minimum follow-up of 2 years...
September 2017: Clinics in Orthopedic Surgery
https://www.readbyqxmd.com/read/28780594/two-stage-revision-surgery-for-infected-total-knee-replacements-reasonable-function-and-high-success-rate-with-the-use-of-primary-knee-replacement-implants-as-temporary-spacers
#13
Ben Arthur Marson, Samuel T Walters, Benjamin V Bloch, Khosrow Sehat
Two-stage revision surgery for infected total knee replacements remains the gold standard treatment. Articulating spacers are preferred to static spacers for improved functional outcome. Articulating spacers made of cement can be prone to fracture, may not be suitable for full weight bearing, create abrasion debris and necessitate second-stage revision surgery. An alternative is the use of primary knee replacement implants as temporary spacers. With this technique, implants are loosely cemented into place at time of revision, allow the patient reasonable mobility and an ability to fully weight bear and can obviate the need for second-stage surgery...
August 5, 2017: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/28768780/activity-levels-and-return-to-work-following-total-knee-arthroplasty-in-patients-under-65-years-of-age
#14
C E H Scott, G S Turnbull, D MacDonald, S J Breusch
AIMS: Little is known about employment following total knee arthroplasty (TKA). This study aims to identify factors which predict return to work following TKA in patients of working age in the United Kingdom. PATIENTS & METHODS: We prospectively assessed 289 patients (289 TKAs) aged ≤ 65 years who underwent TKA between 2010 and 2013. There were 148 women. The following were recorded pre-operatively: age, gender, body mass index, social deprivation, comorbidities, indication for surgery, work status and nature of employment, activity level as assessed by the University of California, Los Angeles (UCLA) activity score and Oxford Knee Score (OKS)...
August 2017: Bone & Joint Journal
https://www.readbyqxmd.com/read/28742545/reductions-in-readmission-rates-are-associated-with-modest-improvements-in-patient-reported-health-gains-following-hip-and-knee-replacement-in-england
#15
Rocco Friebel, Kumar Dharmarajan, Harlan M Krumholz, Adam Steventon
BACKGROUND: Although many hospital readmission reduction initiatives have been introduced globally, health care systems ultimately aim to improve patients' health and well-being. We examined whether the hospitals that report greater success in reducing readmissions also see greater improvements in patient-reported outcomes. RESEARCH DESIGN: We examined hospital groups (Trusts) that provided hip replacement or knee replacement surgery in England between April 2010 and February 2013...
September 2017: Medical Care
https://www.readbyqxmd.com/read/28695185/prospective-quality-of-life-assessment-after-hip-and-knee-arthroplasty-short-and-mid-term-follow-up-results
#16
Juan Pablo Martinez-Cano, Juan Pablo Herrera-Escobar, Ana Sofía Arango Gutierrez, Alfredo Sanchez Vergel, Alfredo Martinez-Rondanelli
BACKGROUND: Hip and knee arthroplasty aims to restore the joint function and to improve health-related quality of life (HRQoL) in patients with articular damage. It is important to quantify the HRQoL improvement and when this is achieved. The Oxford knee score and the Oxford hip score were developed to evaluate patients after knee and hip arthroplasty. We sought to evaluate HRQoL changes in the short and mid term following either primary or revision hip and knee arthroplasty. METHODS: Prospective cohort study during a 20-month period (August 2013 to March 2015) in a tertiary referral hospital...
June 2017: Arthroplasty Today
https://www.readbyqxmd.com/read/28669018/revision-knee-arthroplasty-using-a-distal-femoral-replacement-prosthesis-for-periprosthetic-fractures-in-elderly-patients
#17
Ehab Girgis, Christoph McAllen, Jonathan Keenan
PURPOSE: Distal femoral periprosthetic fractures above a total knee replacement in elderly patients are technically challenging to treat. Bone quality is often poor, the fractures comminuted, and post-operative mobilisation is difficult. This study assesses the clinical, radiological and functional outcome of revision knee distal femoral replacement (DFR) in these fractures. METHODS: We identified 14 patients over 70 years of age (70-94) who underwent DFR for periprosthetic fractures above a knee replacement...
July 1, 2017: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/28616704/metallic-ion-release-after-knee-prosthesis-implantation-a-prospective-study
#18
Adrien Lons, Sophie Putman, Gilles Pasquier, Henri Migaud, Elodie Drumez, Julien Girard
INTRODUCTION: Metal-on-metal (MoM) hip replacement bearings produce metallic ions that can cause health complications. Metallic release also occurs with other materials, but data on metallic ion levels after knee arthroplasty are sparse. We postulate that knee replacement generates elevating metallic ions (chromium (Cr), cobalt (Co) and titanium (Ti)) during the first year after implantation. PATIENTS AND METHODS: This ongoing prospective study included all patients who underwent the same type of knee arthroplasty between May and December 2013...
December 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28606159/thresholds-for-oxford-knee-score-after-total-knee-replacement-surgery-a-novel-approach-to-post-operative-evaluation
#19
Christian Lund Petersen, Jonas Bruun Kjærsgaard, Nicolai Kjærgaard, Michael Ulrich Jensen, Mogens Berg Laursen
BACKGROUND: In a prospective cohort study, we wanted to detect thresholds distinguishing between patients with a satisfactory and an unsatisfactory outcome after total knee replacement (TKR) based on Patient-Reported Outcome Measures (PROMs), namely the Oxford Knee Score (OKS), using patient satisfaction and patient-perceived function as global transition items. METHODS: Seventy-three TKR patients completed the OKS questionnaire before surgery and were invited to complete the same questionnaire again 6 (4 to 9) months after surgery...
June 12, 2017: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/28551201/multifactorial-analysis-of-dissatisfaction-after-primary-total-knee-replacement
#20
Kunal Dhurve, Corey Scholes, Sherif El-Tawil, Aseem Shaikh, Lai Kah Weng, Kumbelin Levin, Brett Fritsch, David Parker, Myles Coolican
BACKGROUND: The aims of this study were to identify the prevalence and causes of dissatisfaction in a cohort of private practice patients, and to compare the psychological characteristics of dissatisfied patients to matched, satisfied controls. METHODS: Unilateral TKR patients were evaluated to identify those dissatisfied with their TKR. Dissatisfied and satisfied patients were matched in terms of age, gender, follow-up duration and body mass index (BMI). Psychological evaluation was performed using the Pain Catastrophizing Scale (PCS), Depression, Anxiety and Stress Scale (DASS) and the Multidimensional Health Locus of Control (MHLC) scale...
May 24, 2017: Knee
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