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https://www.readbyqxmd.com/read/29776853/outcomes-of-a-fixed-bearing-medial-cemented-unicondylar-knee-arthroplasty-design-survival-analysis-and-functional-score-of-460-cases
#1
Philip Winnock de Grave, Justine Barbier, Thomas Luyckx, Alexander Ryckaert, Paul Gunst, Luc Van den Daelen
BACKGROUND: Unicompartmental knee arthroplasty (UKA) is an alternative to total knee arthroplasty in isolated medial osteoarthritis (OA). However, despite satisfactory reports on the clinical performance, UKA revision rates are still concerning. This retrospective study reports on the long-term survivorship, functional outcomes, and reasons for revision in fixed-bearing UKA implant. METHODS: Between 2005 and 2013, 460 consecutive patients were treated with medial UKA in one center using a fixed-bearing UKA system...
April 24, 2018: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29776813/unicompartmental-knee-arthroplasty-for-spontaneous-osteonecrosis-of-the-medial-tibial-plateau
#2
Tomoyuki Kamenaga, Takafumi Hiranaka, Yuichi Hida, Takaaki Fujishiro, Koji Okamoto
BACKGROUND: There have been very few reports on isolated medial tibial plateau osteonecrosis, and the condition has not been clearly described. Unicompartmental knee arthroplasty (UKA) may be an appropriate treatment method for this condition. The aims of this study were to report our experience of using mobile-bearing knee implants for osteonecrosis of the medial tibial plateau and to discuss the etiology and treatment of this type of osteonecrosis. METHODS: This study included six consecutive patients with isolated medial tibial plateau osteonecrosis treated with an Oxford mobile-bearing knee implant...
May 16, 2018: Knee
https://www.readbyqxmd.com/read/29761638/ultra-sound-guided-neurolysis-of-six-genicular-nerves-of-knee-for-intractable-pain-from-knee-osteoarthritis-a-case-series
#3
Arif Ahmed, Divesh Arora
INTRODUCTION: Among the elderly populations, the chronic osteoarthritis of knee joint is one of the leading cause of disability and causes considerable pain, joint stiffness and functional limitations. Although knee replacement is a good option for the grade IV osteoarthritis, but many patients failed to undergo surgery due to co-morbidities or other reasons. METHODS: Four patient with severe pain from grade III and IV osteoarthritis of knee joint had underwent ultrasound guided alcohol neurolysis of the six genicular nerves of knee joint after a positive genicular nerve block with local anesthetics...
May 14, 2018: Pain Practice: the Official Journal of World Institute of Pain
https://www.readbyqxmd.com/read/29739632/outcomes-and-factors-influencing-response-to-an-individualized-multidisciplinary-chronic-disease-management-program-for-hip-and-knee-osteoarthritis
#4
David P Gwynne-Jones, Andrew R Gray, Liam R Hutton, Kirsten M Stout, J Haxby Abbott
BACKGROUND: The objective of the study was to investigate the effectiveness of, and factors associated with, response to a chronic disease management program for patients with hip and knee osteoarthritis (OA). METHODS: Over a 2-year period (2012-2014), 218 patients (97 hip OA; 121 knee OA) were managed with an individualized program of interventions that could include education, physiotherapy, orthotics, occupational therapy, or dietitian referral. Changes in Oxford Hip Score or Oxford Knee Score and Short Form-12 (SF-12) Physical and Mental Component Summary Score (PCS, MCS) were analyzed by joint affected, both unadjusted, and gender and age adjusted...
April 16, 2018: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29729936/single-stage-bilateral-medial-oxford-unicompartmental-knee-arthroplasty-a-case-control-study-of-perioperative-blood-loss-complications-and-functional-results
#5
Arnaud Clavé, Emeline Gauthier, Navraj S Nagra, François Fazilleau, A Anthony Le Sant, Frédéric Dubrana
BACKGROUND: The benefits and risks of a single-stage medial UKA remains a subject of debate because of the theoretically higher risk of complications and specifically blood loss. The aim of this study was to evaluate the perioperative blood loss, risks and the functional results of single-stage bilateral medial Oxford Unicompartmental Knee Arthroplasty (OUKA) compared to a standard unilateral medial OUKA procedure (control group). HYPOTHESIS: the blood loss observed during bilateral single-stage medial Oxford UKA is not different from that of the control group...
May 3, 2018: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/29716492/extended-duration-regional-analgesia-for-total-knee-arthroplasty-a-randomised-controlled-trial-comparing-five-days-to-three-days-of-continuous-adductor-canal-ropivacaine-infusion
#6
S C Sargant, M J Lennon, R J Khan, D Fick, H Robertson, S Haebich
There is a growing body of evidence in favour of continuous adductor canal block (CACB) for total knee arthroplasty. However, there are no studies describing the optimal duration of the infusion. At our institution the usual practice was to stop the infusion on day three. Our hypothesis was that extending the infusion to five days would improve analgesia and quality of recovery. A prospective, non-blinded, randomised trial was undertaken. Patients received a continuous infusion of 0.2% ropivacaine via an adductor canal catheter for either three or five days...
May 2018: Anaesthesia and Intensive Care
https://www.readbyqxmd.com/read/29705680/medial-mobile-bearing-unicompartmental-knee-arthroplasty-in-young-patients-aged-less-than-or-equal-to-50-years
#7
Nicholas J Greco, Adolph V Lombardi, Andrew J Price, Michael E Berend, Keith R Berend
BACKGROUND: Contemporary research has shown medial mobile-bearing unicompartmental knee arthroplasty to be an effective treatment in patients younger than 60 years; however, only one other study has specifically investigated unicompartmental arthroplasty outcomes in patients 50 years or younger. The purpose of this study was to determine the clinical outcomes and survivorship of medial mobile-bearing unicompartmental arthroplasty in this younger patient population. METHODS: A retrospective review of patients undergoing primary unicompartmental knee arthroplasty using the Oxford partial knee from 2003 to 2014 in a single practice database was performed...
April 9, 2018: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29701098/the-influence-of-obesity-on-functional-outcome-and-quality-of-life-after-total-knee-arthroplasty
#8
S Xu, J Y Chen, N N Lo, S L Chia, D K J Tay, H N Pang, Y Hao, S J Yeo
Aims This study investigated the influence of body mass index (BMI) on patients' function and quality of life ten years after total knee arthroplasty (TKA). Patients and Methods A total of 126 patients who underwent unilateral TKA in 2006 were prospectively included in this retrospective study. They were categorized into two groups based on BMI: < 30 kg/m2 (control) and ≥ 30 kg/m2 (obese). Functional outcome was assessed using the Knee Society Function Score (KSFS), Knee Society Knee Score (KSKS), and Oxford Knee Score (OKS)...
May 1, 2018: Bone & Joint Journal
https://www.readbyqxmd.com/read/29691169/treatment-success-following-joint-arthroplasty-defining-thresholds-for-the-oxford-hip-and-knee-scores
#9
David F Hamilton, Fanny L Loth, Deborah J MacDonald, Karlmeinrad Giesinger, James T Patton, A Hamish Simpson, Colin R Howie, Johannes M Giesinger
BACKGROUND: Patient-reported outcome scores are the mainstay method for quantifying success following arthroplasty. However, it is unclear when a "successful outcome" is achieved. We calculated threshold values for the Oxford Hip and Knee Score (OHS and OKS) representing achievement of a successful treatment at 12-month follow-up. METHODS: Questionnaires were administered to patients undergoing total hip (THA) or knee (TKA) arthroplasty before and 12 months after surgery alongside questions assessing key aspects of treatment success...
March 30, 2018: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29643169/safety-and-feasibility-evaluation-of-tourniquets-for-total-knee-replacement-safe-tkr-study-protocol
#10
Peter Dh Wall, Imran Ahmed, Andrew Metcalfe, Andrew J Price, Kate Seers, Charles E Hutchinson, Helen Parsons, Jane Warwick, Bushra Rahman, Jaclyn Brown, Martin Underwood
INTRODUCTION: This study is designed to determine whether a full randomised controlled trial (RCT) examining the clinical effectiveness and safety of total knee replacement surgery with or without a tourniquet is warranted and feasible. METHOD AND ANALYSIS: Single centre, patient-blinded and assessor-blinded RCT. A computer-generated randomisation service will allocate 50 participants into one of two trial treatments, surgery with or without a tourniquet. The primary objective is to estimate recruitment, crossovers and follow-up of patients...
April 10, 2018: BMJ Open
https://www.readbyqxmd.com/read/29643154/associations-between-preoperative-oxford-hip-and-knee-scores-and-costs-and-quality-of-life-of-patients-undergoing-primary-total-joint-replacement-in-the-nhs-england-an-observational-study
#11
Peter Eibich, Helen A Dakin, Andrew James Price, David Beard, Nigel K Arden, Alastair M Gray
OBJECTIVES: To assess how costs and quality of life (measured by EuroQoL-5 Dimensions (EQ-5D)) before and after total hip replacement (THR) and total knee replacement (TKR) vary with age, gender and preoperative Oxford hip score (OHS) and Oxford knee score (OKS). DESIGN: Regression analyses using prospectively collected data from clinical trials, cohort studies and administrative data bases. SETTING: UK secondary care. PARTICIPANTS: Men and women undergoing primary THR or TKR...
April 10, 2018: BMJ Open
https://www.readbyqxmd.com/read/29628553/a-comparative-study-of-botulinum-toxin-a-with-triamcinolone-compared-to-triamcinolone-alone-in-the-treatment-of-osteoarthritis-of-knee
#12
Divya Shukla, Smitha K Sreedhar, Virendra Rastogi
Introduction: This study compares the efficacy in terms of pain relief and complications of intra-articular Botulinum toxin-A (BoNT-A) with intra-articular Triamcinolone versus Triamcinolone alone in the treatment of osteoarthritic knee pain of severe grade. If effective, BoNT-A may help in reducing the long term adverse effects due to prolonged analgesic consumption and reduce/delay requirement of knee replacement surgeries. Materials and Methods: In this prospective study, 30 patients of either sex, aged between 40 to 60 years with physical status ASA classes I or II suffering from knee joint osteoarthritis with knee pain and functional impairment were divided into 2 groups: The OA patients which received Botulinum toxin-A with Triamcinolone (Group A) & OA patients which received only Triamcinolone (Group B)...
January 2018: Anesthesia, Essays and Researches
https://www.readbyqxmd.com/read/29627257/robotic-arm-assisted-vs-conventional-unicompartmental-knee-arthroplasty-the-2-year-clinical-outcomes-of-a-randomized-controlled-trial
#13
Alisdair Gilmour, Angus D MacLean, Philip J Rowe, Matthew S Banger, Iona Donnelly, Bryn G Jones, Mark J G Blyth
BACKGROUND: Unicompartmental knee arthroplasty (UKA) for treatment of medial compartment osteoarthritis has potential benefits over total knee arthroplasty but UKA has a higher revision rate. Robotic-assisted UKA is increasingly common and offers more accurate implant positioning and limb alignment, lower early postoperative pain but evidence of functional outcome is lacking. The aim was to assess the clinical outcomes of a single-centre, prospective, randomised controlled trial, comparing robotic-arm-assisted UKA with conventional surgery...
February 21, 2018: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29627256/patients-with-poor-baseline-mental-health-undergoing-unicompartmental-knee-arthroplasty-have-poorer-outcomes
#14
Graham Seow-Hng Goh, Ming Han Lincoln Liow, Hee-Nee Pang, Darren Keng-Jin Tay, Ngai-Nung Lo, Seng-Jin Yeo
BACKGROUND: The relationship between mental health and outcomes of unicompartmental knee arthroplasty (UKA) remains unclear. Poor preoperative mental health may be caused by pain and functional limitations associated with knee arthritis. We aimed at (1) investigating the effect of preoperative mental health on early outcomes and (2) assessing whether mental health improves after UKA. METHODS: Prospectively collected registry data of 1473 medial UKAs performed at a single institution in 2007-2014 were reviewed...
February 26, 2018: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29614710/patient-reported-outcome-measures-proms-in-patients-undergoing-patellofemoral-arthroplasty-and-total-knee-replacement-a-comparative-study
#15
Fabio Luigi Perrone, Steffen Baron, Eduardo M Suero, Christian Lausmann, Daniel Kendoff, Akos Zahar, Thorsten Gehrke, Mustafa Citak
BACKGROUND: Incongruity in the evaluation of outcomes between patients and surgeons has led to an increasing utilization of patient-reported outcome measures (PROMs) as an evaluation method of outcome. OBJECTIVE: The aim of this study was to compare Oxford Knee Score (OKS), KOOS-PS and Kujala Score results in patients who received either PFA or TKA with and without patella resurfacing in the tretament of knee osteoarthritis. METHODS: A total of 50 patients (PFA = 19 patients; TKA with patelloplasty = 15 patients; TKA with patellar resurfacing = 16 patients) undergone surgery between 2011 and 2014 and were included for final analysis...
March 23, 2018: Technology and Health Care: Official Journal of the European Society for Engineering and Medicine
https://www.readbyqxmd.com/read/29610011/the-oxford-medial-unicompartmental-knee-arthroplasty-the-south-african-experience
#16
Stefano Campi, Hemant G Pandit, Christiaan R Oosthuizen
BACKGROUND: The Oxford unicompartmental knee arthroplasty (OUKA) is a successful treatment for endstage, symptomatic anteromedial osteoarthritis. This study reports the results of a cohort of consecutive cemented and cementless medial OUKAs from an independent center and aims to answer the following questions: what is the survival of OUKA in the hands of a nondesigner surgeon? Are there any differences in the survival of cementless and cemented OUKA? Are the failure modes any different with the cementless and cemented OUKA? METHODS: One thousand one hundred twenty consecutive OUKAs were implanted in a single center for the recommended indications...
February 2, 2018: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29589049/inferior-outcome-of-revision-of-unicompartmental-knee-arthroplasty-to-total-knee-arthroplasty-compared-with-primary-total-knee-arthroplasty-systematic-review-and-meta-analysis
#17
REVIEW
Jin Kyu Lee, Hyun Jung Kim, Jae Ok Park, Jae-Hyuk Yang
PURPOSE: The purpose of this study was to compare the revision of unicompartmental knee arthroplasty (UKA) to total knee arthroplasty (TKA) with primary TKA through a review of previously published studies. The hypothesis was that the revised UKA group would need additional operative procedures, including the use of stems and augments, resulting in poorer clinical outcomes than those of the primary TKA group. METHODS: A literature search of online register databases was performed to identify clinical trials that compared revised UKA to TKA with primary TKA...
March 27, 2018: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/29576489/outcomes-of-primary-total-knee-arthroplasty-in-patients-with-parkinson-s-disease
#18
Eugene H Wong, Lawrence J Oh, David A Parker
BACKGROUND: Parkinson's disease is a degenerative disorder causing rigidity, bradykinesia, and tremor of the motor system. There is significant paucity of evidence regarding whether total knee arthroplasty (TKA) is of benefit in patients with both Parkinson's disease and osteoarthritis. We aimed to compare outcomes and complications of TKA between patients with Parkinson's disease and those without. METHODS: A cohort of 43 knees from 35 patients with Parkinson's disease who received a primary TKA between January 2004 and December 2015 were retrospectively extracted from a private clinical database held by 2 surgeons and compared to an age and gender-matched control group of 50 knees from 41 patients...
February 14, 2018: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29576488/can-a-single-use-and-patient-specific-instrumentation-be-reliably-used-in-primary-total-knee-arthroplasty-a-multicenter-controlled-study
#19
Laurent Abane, Amine Zaoui, Philippe Anract, Nicolas Lefevre, Serge Herman, Moussa Hamadouche
BACKGROUND: The aim of this controlled multicenter study is to evaluate the clinical and radiologic outcomes of primary total knee arthroplasty (TKA) using single-use fully disposable and patient-specific cutting guides (SU) and compare the results to those obtained with traditional patient-specific cutting guides (PSI) vs conventional instrumentation (CI). METHODS: Seventy consecutive patients had their TKA performed using SU. They were compared to 140 historical patients requiring TKA that were randomized to have the procedure performed using PSI vs CI...
February 17, 2018: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29574018/does-orthopaedic-training-compromise-the-outcome-in-knee-joint-arthroplasty
#20
Richard Storey, Chris Frampton, David Kieser, Ramez Ailabouni, Gary Hooper
OBJECTIVE: This study investigates knee joint arthroplasty and compares the outcomes between attending (consultant) orthopedic surgeons and resident (trainee) surgeons. DESIGN: Retrospective review and comparison of knee joint arthroplasty outcomes between 4 surgeon groups (attending, supervised senior and junior residents, and unsupervised senior residents). Measured outcomes were implant survival (revision rate) and patient reported functional outcomes, measured by Oxford knee score (OKS)...
March 21, 2018: Journal of Surgical Education
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