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https://www.readbyqxmd.com/read/27748254/retrospective-comparison-of-functional-and-radiological-outcome-between-two-contemporary-high-flexion-knee-designs
#1
Vikash Kapoor, Daipayan Chatterjee, Sutanu Hazra, Anirban Chatterjee, Parag Garg, Kaustav Debnath, Soham Mandal, Sudipto Sarkar
INTRODUCTION: Patient satisfaction after total knee replacement (TKR) depends on the amount of pain relief and the functional activities achieved. An important criterion of good functional outcome is the amount of flexion achieved and whether the patient can manage high flexion activities. In order to increase the amount of safe flexion, various implant designs have been developed. This study aims to compare the outcome after TKR using two contemporary high flexion knee designs: Sigma CR150 High Flex Knee prosthesis (Depuy, Warsaw, Indiana) and NexGen High Flex Knee prosthesis (Zimmer, Warsaw, Indiana)...
2016: SICOT-J
https://www.readbyqxmd.com/read/27739555/evaluation-of-the-relationship-of-tibiofemoral-kinematics-before-and-after-total-knee-replacement-in-an-in-vitro-model-of-cranial-cruciate-deficiency-in-the-dog
#2
Rebecca N Howie, Timothy L Foutz, Curtis C Cathcart, Jeff S Burmeister, Steve C Budsberg
OBJECTIVE: To investigate the relationship between tibiofemoral kinematics before and after total knee replacement (TKR) in vitro. ANIMALS: Eight canine hemipelves. METHODS: A modified Oxford Knee Rig was used to place cadaveric limbs through a range of passive motion allowing the kinematics of the stifle to be evaluated. Four measurements were performed: a control stage, followed by a cranial cruciate transection stage, then following TKR with the musculature intact stage, and finally TKR with removal of limb musculature stage...
October 14, 2016: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
https://www.readbyqxmd.com/read/27659761/performance-of-eq-5d-howru-and-oxford-hip-knee-scores-in-assessing-the-outcome-of-hip-and-knee-replacements
#3
Tim Benson, Dan H Williams, Henry W W Potts
BACKGROUND: We aimed to compare the performance of EQ-5D-3 L and howRu, which are short generic patient-reported outcome measures (PROMs), in assessing the outcome of hip and knee replacements, using the Oxford Hip Score (OHS) and the Oxford Knee Scores (OKS) for comparison. METHODS: Outcome was assessed as the difference between pre-surgery and 6-month post-surgery scores. We used a large sample from the NHS PROMs database, which used EQ-5D-3 L, and a small cohort of patients having the same operations collected by MyClinicalOutcomes (MCO), which used howRu...
2016: BMC Health Services Research
https://www.readbyqxmd.com/read/27631646/lateral-osteophytes-do-not-represent-a-contraindication-to-medial-unicompartmental-knee-arthroplasty-a-15-year-follow-up
#4
Thomas W Hamilton, Rajan Choudhary, Cathy Jenkins, Stephen J Mellon, Christopher A F Dodd, David W Murray, Hemant G Pandit
PURPOSE: Lateral osteophytes have been reported to be associated with lateral compartment disease and as such it is unclear whether medial unicompartmental knee arthroplasty should be performed if these are present. METHODS: Using the OARSI classification system, 0 (no osteophyte) to 3 (large osteophyte), radiographs from a series of cemented meniscal-bearing unicompartmental knee arthroplasty implanted in the setting of full-thickness lateral cartilage where lateral osteophytes were not considered a contraindication were identified and factors associated with the presence and size of lateral osteophytes, and their impact on clinical outcomes and implant survival were assessed...
September 8, 2016: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/27622149/femoro-patella-vialla-patellofemoral-arthroplasty-an-independent-assessment-of-outcomes-at-minimum-2-year-follow-up
#5
Mansur Halai, Andrew Ker, Iain Anthony, Graeme Holt, Bryn Jones, Mark Blyth
AIM: To determine outcomes using the Femoro-Patella Vialla (FPV) arthroplasty and if there is an ideal patient for this implant. METHODS: A total of 41 FPV patellofemoral joint replacements were performed in 31 patients (22 females, 9 males, mean age 65 years). Mean follow-up was 3.2 years (minimum 2 years). Radiographs were reviewed preoperatively and postoperatively. We assessed whether gender, age, previous surgery, patella atla or trochlear dysplasia influenced patient satisfaction or patient functional outcome...
August 18, 2016: World Journal of Orthopedics
https://www.readbyqxmd.com/read/27618427/are-patients-satisfied-with-their-total-joint-replacement-surgery-a-prospective-cross-sectional-survey
#6
D Thomas, P Knight, K White, M M Mencia
Objective: The number of patients requiring arthroplasty increases annually. Joint replacement surgery can improve a patient's (QOL) quality of life. The effectiveness of this care from a patient's own perspective assessed by patient reported outcome measures is just as important as the clinical measures. The aim of our study was to evaluate patients' satisfaction following total joint replacement procedures. Methods: A cross-sectional study was performed in a major regional hospital, (Port-of-Spain General Hospital, Trinidad)...
March 1, 2016: West Indian Medical Journal
https://www.readbyqxmd.com/read/27524925/systematic-review-of-measurement-properties-of-patient-reported-outcome-measures-used-in-patients-undergoing-hip-and-knee-arthroplasty
#7
REVIEW
Kristina Harris, Jill Dawson, Elizabeth Gibbons, Chris R Lim, David J Beard, Raymond Fitzpatrick, Andrew J Price
OBJECTIVES: To identify patient-reported outcome measures (PROMs) that have been developed and/or used with patients undergoing hip or knee replacement surgery and to provide a shortlist of the most promising generic and condition-specific instruments. METHODS: A systematic review of the literature was performed to identify measures used in patients undergoing hip and knee replacement and extract and evaluate information on their methodological quality. RESULTS: Thirty-two shortlisted measures were reviewed for the quality of their measurement properties...
2016: Patient related Outcome Measures
https://www.readbyqxmd.com/read/27412102/incidence-risk-factors-and-the-healthcare-cost-of-falls-postdischarge-after-elective-total-hip-and-total-knee-replacement-surgery-protocol-for-a-prospective-observational-cohort-study
#8
Anne-Marie Hill, Gail Ross-Adjie, Steven M McPhail, Leanne Monterosso, Max Bulsara, Christopher Etherton-Beer, Sarah-Jayne Powell, Gerard Hardisty
INTRODUCTION: The number of major joint replacement procedures continues to increase in Australia. The primary aim of this study is to determine the incidence of falls in the first 12 months after discharge from hospital in a cohort of older patients who undergo elective total hip or total knee replacement. METHODS AND ANALYSES: A prospective longitudinal observational cohort study starting in July 2015, enrolling patients aged ≥60 years who are admitted for elective major joint replacement (n=267 total hip replacement, n=267 total knee replacement) and are to be discharged to the community...
2016: BMJ Open
https://www.readbyqxmd.com/read/27356253/rationing-of-hip-and-knee-replacement-effect-on-the-severity-of-patient-reported-symptoms-and-the-demand-for-surgery-in-otago
#9
David Gwynne-Jones, Ella Iosua
AIM: A key Government health target has been to increase access to elective surgery. Despite this, there is a growing concern about unmet demand and increasing numbers of patients are being declined elective surgery. This study aims to determine whether there has been an increase in the severity of osteoarthritis of the hip and knee in patients undergoing publicly-funded elective total joint replacement (TJR) and any increase in demand for TJR in Otago. METHOD: Demographic details and preoperative patient reported outcome scores (Oxford hip or knee score (OHS,OKS) and a reduced Western Ontario and McMaster Osteoarthritis Index (WOMAC) score (RWS) were collected prospectively in an historical cohort of patients undergoing total hip and knee replacement (THR, TKR) between 2006-2010...
2016: New Zealand Medical Journal
https://www.readbyqxmd.com/read/27260037/-unknown-title
#10
(no author information available yet)
The world's first bone substitute material which can stimulate bone growth outside the human body has won a regional prize in the Toshiba Year of Invention competition. The winning team is a group of researchers front Oxford University, led by Jan Czernuszka, pictured above. The researchers say the bone- substitute, a composite of collagen and calcium phosphate, could revolutionise hip and knee joint replacement surgery.
September 23, 1992: Nursing Standard
https://www.readbyqxmd.com/read/27259390/outcomes-of-total-knee-arthroplasty-in-patients-with-poliomyelitis
#11
Zhi-Wei Jonathan Gan, Hee Nee Pang
BACKGROUND: We report our experience with outcomes of poliomyelitis in the Asian population. METHODS: Sixteen total knee replacements in 14 patients with polio-affected knees were followed up for at least 18 months. Follow-up assessment included scoring with the American Knee Society Score (AKSS), Oxford knee score, and Short Form 36 Health Survey scores. RESULTS: The mean AKSS improved from 25.59 preoperatively to 82.94 at 24 months, with greater improvement in the knee score...
April 27, 2016: Journal of Arthroplasty
https://www.readbyqxmd.com/read/27239301/improving-patient-reported-outcome-measures-proms-in-total-knee-replacement-by-changing-implant-and-preserving-the-infrapatella-fatpad-a-quality-improvement-project
#12
Thomas Partridge, Ian Carluke, Kevin Emmerson, Paul Partington, Mike Reed
Patient reported outcome measures (PROMs) were introduced in 2009 to allow patient perspectives to potentially influence change and improvement. In collaboration with the national joint registry (NJR), PROMs data has been examined on a national basis to compare surgical factors in total knee replacement (TKR). Initial results demonstrated there were statistically significant differences in Oxford Knee Score (OKS) when using different brands of implant. Preservation of the infrapatella fatpad (IFP) has also been shown improve outcomes...
2016: BMJ Quality Improvement Reports
https://www.readbyqxmd.com/read/27098321/improved-accuracy-of-component-positioning-with-robotic-assisted-unicompartmental-knee-arthroplasty-data-from-a-prospective-randomized-controlled-study
#13
RANDOMIZED CONTROLLED TRIAL
Stuart W Bell, Iain Anthony, Bryn Jones, Angus MacLean, Philip Rowe, Mark Blyth
BACKGROUND: Higher revision rates have been reported in patients who have undergone unicompartmental knee arthroplasty compared with patients who have undergone total knee arthroplasty, with poor component positioning identified as a factor in implant failure. A robotic-assisted surgical procedure has been proposed as a method of improving the accuracy of component implantation in arthroplasty. The aim of this prospective, randomized, single-blinded, controlled trial was to evaluate the accuracy of component positioning in unicompartmental knee arthroplasty comparing robotic-assisted and conventional implantation techniques...
April 20, 2016: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/27092379/patient-specific-implants-with-custom-cutting-blocks-better-approximate-natural-knee-kinematics-than-standard-tka-without-custom-cutting-blocks
#14
Shantanu Patil, Adam Bunn, William D Bugbee, Clifford W Colwell, Darryl D D'Lima
BACKGROUND: Nearly 14% to 39% TKA patients report dissatisfaction causing incomplete return of function. We proposed that the kinematics of knees implanted with patient-specific prostheses using patient-specific cutting guides would be closer to normal. METHODS: Eighteen matched cadaver lower limbs were randomly assigned to two groups: group A was implanted with patient-specific implants using patient-specific cutting guides; group B, the contralateral knee, was implanted with a standard design using intramedullary alignment cutting guides...
December 2015: Knee
https://www.readbyqxmd.com/read/27083320/effect-of-femoro-tibial-component-size-mismatch-on-outcome-in-primary-total-knee-replacement
#15
Steven Heylen, Knud Foubert, Annemieke Van Haver, Paul Nicolai
BACKGROUND: Most total knee arthroplasty systems allow a degree of femoro-tibial component size mismatch. We aim to investigate the influence of size mismatch on outcome after primary total knee arthroplasty. METHODS: We reviewed 332 patients with cruciate-retaining Genesis II total knee arthroplasty with regard to femoro-tibial component size mismatch and Oxford Knee Score (OKS). We evaluated effects of Body Mass Index, gender and patellar procedure. Minimum follow-up is five years...
June 2016: Knee
https://www.readbyqxmd.com/read/27044209/-anterior-cruciate-ligament-reconstruction-in-treatment-of-osteoarthritis-and-anterior-cruciate-ligament-injury
#16
Shaoqi Tian, Bin Wang, Lun Liu, Chengzhi Ha, Wang Yuanhe, Jiangjun Liu, Qicai Li, Xu Yang, Kang Sun
OBJECTIVE: To explore the short- and mid-term effectivenesses of combined unicompartmental knee arthroplasty (UKA) and anterior cruciate ligament (ACL) reconstruction for osteoarthritis (OA) and ACL injury. METHODS: Between January 2006 and January 2014, 32 patients with knee OA and ACL injury were treated by combined UKA and ACL reconstruction. There were 12 males and 20 females, aged 41-63 years (mean, 50 years); 17 left knees and 15 right knees were involved...
December 2015: Chinese Journal of Reparative and Reconstructive Surgery
https://www.readbyqxmd.com/read/27001223/early-failure-with-the-journey-deuce-bicompartmental-knee-arthroplasty
#17
A G Dudhniwala, N K Rath, S Joshy, M C Forster, S P White
The aim of this study was to evaluate the early functional outcome and survivorship of a bicompartmental knee arthroplasty implant (Journey-Deuce) in a cohort of patients with combined medial and patellofemoral degenerative osteoarthritis. Fifteen patients with a mean age of 57 years were followed up prospectively and evaluated with clinical examination, Oxford knee score and radiology imaging. Poor pain scores, concerns about the tibial fixation, early aseptic loosening of the tibial component and a revision rate of 60 % at a minimum follow-up of 54 months are reported...
July 2016: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/26955615/are-patellofemoral-symptoms-truly-related-to-the-patellofemoral-joint
#18
Rafik Yassa, Mahdi Yacine Khalfaoui, Andrew P Davies
PURPOSE: The pattern of symptoms of knee osteoarthritis has been thought to be indicative of specific compartment involvement. This study investigated whether there was a true correlation between patellofemoral joint (PFJ) symptoms and unicompartmental patellofemoral arthritis. MATERIALS AND METHODS: A prospective analysis of 34 patients rendered to be suffering from PFJ osteoarthritis and subsequently undergoing unicompartmental patellofemoral arthroplasty (PFA) was performed...
March 2016: Knee Surgery & related Research
https://www.readbyqxmd.com/read/26924477/clinical-outcome-following-primary-total-hip-or-knee-replacement-in-nonagenarians
#19
D Skinner, B J Tadros, E Bray, M Elsherbiny, G Stafford
Introduction The Elective Orthopaedic Centre in Epsom has an established patient reported outcome measures programme, into which all patients are enrolled. Postoperative complications, Oxford hip/knee scores (OHS/OKS) and EQ-5D™ (EuroQol, Rotterdam, Netherlands) scores are collected up to the second postoperative year. Our population is ageing and the number of joint replacements being performed on the very elderly is rising. The aim of this study was to investigate the outcome of joint replacements in a nonagenarian population...
April 2016: Annals of the Royal College of Surgeons of England
https://www.readbyqxmd.com/read/26898765/unicompartmental-knee-replacement-does-the-macroscopic-status-of-the-anterior-cruciate-ligament-affect-outcome
#20
T W Hamilton, C Pistritto, C Jenkins, S J Mellon, C A F Dodd, H G Pandit, D W Murray
PURPOSE: ACL damage is associated with progression of arthritis and whilst in the population undergoing joint replacement in the majority of cases the ACL is intact there is a wide spectrum of ACL disease. This study investigated whether the macroscopic status of the ACL affected functional outcome or survival following UKR. METHODS: The macroscopic status of the ACL was recorded in 820 cemented Oxford UKRs implanted by two surgeons for the recommended indications...
June 2016: Knee
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