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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
#1
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/29338151/oral-prolonged-release-oxycodone-naloxone-offers-equivalent-analgesia-to-intravenous-morphine-patient-controlled-analgesia-after-total-knee-replacement-a-randomized-controlled-trial
#2
Alberto Manassero, Andrea Fanelli, Susanna Ugues, Cristian Bailo, Stefano Dalmasso
BACKGROUND: The purpose of this study was to determine whether oral prolonged- release oxycodone-naloxone combination (OXN) could provide equivalent analgesia and a side-effect profile similar to intravenous morphine patient-controlled analgesia (IVPCA) for the control of pain in the immediate postoperative period after total knee replacement (TKR). METHODS: All patients received a sciatic nerve block with 0.3% ropivacaine 15ml, femoral nerve block with 0.5% ropivacaine 20 ml, spinal anesthesia and postoperative continuous femoral nerve infusion (ropivacaine 0...
January 16, 2018: Minerva Anestesiologica
https://www.readbyqxmd.com/read/29331994/acl-and-meniscal-injuries-increase-the-risk-of-primary-total-knee-replacement-for-osteoarthritis-a-matched-case-control-study-using-the-clinical-practice-research-datalink-cprd
#3
Tanvir Khan, Abtin Alvand, Daniel Prieto-Alhambra, David J Culliford, Andrew Judge, William F Jackson, Brigitte E Scammell, Nigel K Arden, Andrew James Price
OBJECTIVES: The aim of this study was to investigate whether ACL injury (ACLi) or meniscal injury increases the risk of end-stage osteoarthritis (OA) resulting in total knee replacement (TKR). METHODS: A matched case-control study of all TKRs performed in the UK between January 1990 and July 2011 and recorded in the Clinical Practice Research Datalink (CPRD) was undertaken. The CPRD contains longitudinal data on approximately 3.6 million patients. Two controls were selected for each case of TKR, matched on age, sex and general practitioner location as a proxy for socioeconomic status...
January 13, 2018: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/29322905/pre-discharge-postoperative-radiographs-after-primary-total-knee-replacement-tradition-or-science
#4
S N Sambandam, V Khanna, G Rohinikumar, V Mounasamy
Consistent evidence exists on the inutility of immediate postoperative radiographs after a total knee replacement (TKR). We hypothesized that eliminating the pre-discharge film would not have any effect on the postoperative patient outcomes. Retrospective analysis of prospectively collected data was performed on 220 knees. Patients undergoing a simple primary TKR operated by 2 surgeons (Surgeon A and B) from January 2013 to July 2015 were divided into 2 groups (Groups 1 and 2 having 112 and 108 knees respectively)...
March 2017: Acta Orthopaedica Belgica
https://www.readbyqxmd.com/read/29284048/the-mediating-effect-of-body-mass-index-on-the-relationship-between-smoking-and-hip-or-knee-replacement-due-to-primary-osteoarthritis-a-population-based-cohort-study-the-hunt-study
#5
Marianne Bakke Johnsen, Alf Inge Hellevik, Milada Cvancarova Småstuen, Arnulf Langhammer, Ove Furnes, Gunnar Birkeland Flugsrud, Lars Nordsletten, John Anker Zwart, Kjersti Storheim
To investigate the total effect of smoking on total hip or knee replacement (THR/TKR) due to primary osteoarthritis (OA) and to quantify the indirect effect of smoking through body mass index (BMI). Participants from the Nord-Trøndelag Health Study (the HUNT Study) were linked to the Norwegian Arthroplasty Register to detect the first THR or TKR due to primary OA. A mediation analysis was used to decompose the total effect of smoking into a direct and indirect effect. BMI was considered a mediator in the analysis...
2017: PloS One
https://www.readbyqxmd.com/read/29258881/prevalence-and-changes-in-analgesic-medication-utilisation-1-year-prior-to-total-joint-replacement-in-an-older-cohort-of-patients
#6
M C S Inacio, K Cashman, N L Pratt, M H Gillam, G Caughey, S E Graves, E E Roughead
OBJECTIVES: To evaluate the prevalence and change in analgesic medications use prior to joint replacement in older patients between 2001 and 2012. METHODS: A population based epidemiological study was conducted. Opioids, non-steroidal anti-inflammatories (NSAIDs), paracetamol, corticosteroid injections, medications for neuropathic pain, hypnotics, and muscle relaxants supplied 1 year prior to total knee replacement (TKR, n = 15,517) and hip replacement (THR, n = 10,018) were assessed...
December 16, 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/29247125/incidence-of-hip-and-knee-replacement-in-patients-with-rheumatoid-arthritis-following-the-introduction-of-biological-dmards-an-interrupted-time-series-analysis-using-nationwide-danish-healthcare-registers
#7
René Lindholm Cordtz, Samuel Hawley, Daniel Prieto-Alhambra, Pil Højgaard, Kristian Zobbe, Søren Overgaard, Anders Odgaard, Lars Erik Kristensen, Lene Dreyer
OBJECTIVES: To study the impact of the introduction of biological disease-modifying anti-rheumatic drugs (bDMARDs) and associated rheumatoid arthritis (RA) management guidelines on the incidence of total hip (THR) and knee replacements (TKR) in Denmark. METHODS: Nationwide register-based cohort and interrupted time-series analysis. Patients with incident RA between 1996 and 2011 were identified in the Danish National Patient Register. Patients with RA were matched on age, sex and municipality with up to 10 general population comparators (GPCs)...
December 15, 2017: Annals of the Rheumatic Diseases
https://www.readbyqxmd.com/read/29238512/an-approach-to-developing-customized-total-knee-replacement-implants
#8
Xinyu Li, Changjiang Wang, Yuan Guo, Weiyi Chen
Total knee replacement (TKR) has been performed for patients with end-stage knee joint arthritis to relieve pain and gain functions. Most knee replacement patients can gain satisfactory knee functions; however, the range of motion of the implanted knee is variable. There are many designs of TKR implants; it has been suggested by some researchers that customized implants could offer a better option for patients. Currently, the 3-dimensional knee model of a patient can be created from magnetic resonance imaging (MRI) or computed tomography (CT) data using image processing techniques...
2017: Journal of Healthcare Engineering
https://www.readbyqxmd.com/read/29232323/racial-variation-in-total-knee-replacement-in-a-diverse-nationwide-clinical-trial
#9
Lindsey A MacFarlane, Eunjung Kim, Nancy R Cook, I-Min Lee, Maura D Iversen, Jeffrey N Katz, Karen H Costenbader
OBJECTIVE: Racial variation in total knee replacement (TKR) utilization in the United States has been reported in administrative database studies. We investigated racial variation in TKR procedures in a diverse cohort with severe knee pain followed in an ongoing clinical trial. METHODS: VITAL (VITamin D and OmegA-3 TriaL) is a nationwide, randomized controlled trial of 25,874 adults, 20% of whom are black. We identified a subgroup highly likely to have knee osteoarthritis based on severity of knee pain, physician-diagnosed knee osteoarthritis, and inability to walk 2 to 3 blocks without pain...
December 12, 2017: Journal of Clinical Rheumatology: Practical Reports on Rheumatic & Musculoskeletal Diseases
https://www.readbyqxmd.com/read/29227785/patient-specific-instruments-advantages-and-pitfalls
#10
Mahmoud A Hafez, Kirti Moholkar
Patient-specific instruments (PSI) aim to improve the accuracy of total knee replacement (TKR) based on computer-assisted preoperative planning. In this work, the authors describe the advantages and pitfalls of PSI based on their clinical experience. The main conclusion of this work is that PSI has direct impact on the logistical and technical features of TKR with some advantages and pitfalls.
2017: SICOT-J
https://www.readbyqxmd.com/read/29226198/restoration-of-the-mechanical-axis-in-total-knee-artrhoplasty-using-patient-matched-technology-cutting-blocks-a-retrospective-study-of-132-cases
#11
Dimitrios N Lyras, Robert Greenhow, Craig Loucks
Background: The aim of this study is to evaluate the accuracy of bone cuts and the resultant alignment, using the MyKnee patient specific cutting blocks. Methods: We retrospectively reviewed 132 patients undergoing primary TKR for osteoarthritis by one single surgeon. The operative time, the preoperative Hip-Knee-Ankle (HKA) axis based on the CT-scan, the postoperative HKA axis based on long axis standing x-rays, the planned and the actual size of the femoral and the tibial components, and the number of the recuts which has been made intraoperative were measured...
September 2017: Archives of Bone and Joint Surgery
https://www.readbyqxmd.com/read/29221471/in-home-versus-hospital-preoperative-balance-and-proprioceptive-training-in-patients-undergoing-tkr-rationale-design-and-method-of-a-randomized-controlled-trial
#12
José-María Blasco, Celedonia Igual-Camacho, Sergio Roig-Casasús
BACKGROUND: Severe knee osteoarthritis, as well as the surgical procedure of total knee replacement that aims to reduce its symptoms, cause great deterioration on the proprioceptive system. Taking this fact into account, and considering that balance abilities positively influence the capacity to perform basic functional tasks, this trial aims to find the short and mid-term effects of a preoperative balance and proprioceptive training when conducted by patients undergoing total knee replacement...
December 8, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/29207792/clinical-evaluation-of-efficacy-and-performance-of-all-poly-tibial-freedom%C3%A2-total-knee-system-for-treating-osteoarthritis-patients-three-year-follow-up-study
#13
Avatar Singh, Kanwar Kulwinder Singh
Introduction: Advancement in technology in terms of design and building materials has made Total Knee Replacement (TKR) a highly effective, safe, and predictable orthopedic procedure. Aim: To review the clinical outcomes for efficacy and performance of Freedom Total Knee System for the management of Osteoarthritis (OA), at a minimum of three years follow up. Materials and Methods: For this retrospective, post-marketing study, clinical data of patients treated with Freedom Total Knee System was retrieved from the clinical records after approval from the Institutional Ethics Committee ...
September 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/29195220/a-comprehensive-combined-experimental-and-computational-framework-for-pre-clinical-wear-simulation-of-total-knee-replacements
#14
A Abdelgaied, J Fisher, L M Jennings
A more robust pre-clinical wear simulation framework is required in order to simulate wider and higher ranges of activities, observed in different patient populations such as younger more active patients. Such a framework will help to understand and address the reported higher failure rates for younger and more active patients (National_Joint_Registry, 2016). The current study has developed and validated a comprehensive combined experimental and computational framework for pre-clinical wear simulation of total knee replacements (TKR)...
November 17, 2017: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/29181355/group-b-streptococcal-prosthetic-knee-joint-infection-linked-to-the-consumption-of-raw-fish
#15
Gin Way Law, Limin Wijaya, Andrew Hwee Chye Tan
Introduction: Group B Streptococcal (GBS) prosthetic joint infections (PJI) are rare, accounting for only 4.6-6% of primary and revision total knee replacements (TKRs). In 2015, there was an outbreak of GBS infections in Singapore with an association confirmed between consumption of Chinese-style raw fish dishes (snakehead fish, Asian bighead carp) and GBS infection, Type III GBS ST283 strain, affecting more than 200 patients in Singapore. This outbreak is the largest of its kind in the world and also the first time that foodborne transmission of GBS has been proven...
July 2017: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/29164228/emg-driven-forward-dynamics-simulation-to-estimate-in-vivo-joint-contact-forces-during-normal-smooth-and-bouncy-gait
#16
Swithin Razu, Trent M Guess
This study leveraged data from the "Sixth Grand Challenge Competition to Predict in Vivo Knee Loads" to create a full-body musculoskeletal model that incorporates subject specific geometries of the right leg in order to concurrently predict knee contact forces, ligament forces, muscle forces, and ground contact forces. The objectives of this paper are twofold: First, to describe an electromyography (EMG)-driven modeling methodology to predict knee contact forces, and second to validate model predictions by evaluating the model predictions against known values for a patient with an instrumented total knee replacement (TKR) for three distinctly different gait styles (normal, smooth, and bouncy gait)...
November 21, 2017: Journal of Biomechanical Engineering
https://www.readbyqxmd.com/read/29161930/no-radiological-and-clinical-advantages-with-patient-specific-positioning-guides-in-total-knee-replacement
#17
Justin A M J Van Leeuwen, Finnur Snorrason, Stephan M Röhrl
Background and purpose - Although the use of patient-specific positioning guides (PSPGs) in total knee replacement (TKR) in theory is promising, the technique has not yet proven its superior- ity compared with the conventional method. We compared radio- logical alignment and clinical outcome between TKR performed with the use of PSPGs and the conventional operation method. Patients and methods - 3 hospitals participated in a prospec- tive trial. 109 patients were randomized to either the conventional method or to the use of PSPGs...
November 22, 2017: Acta Orthopaedica
https://www.readbyqxmd.com/read/29160123/fast-tracking-for-total-knee-replacement-reduces-use-of-institutional-care-without-compromising-quality
#18
Konsta J Pamilo, Paulus Torkki, Mikko Peltola, Maija Pesola, Ville Remes, Juha Paloneva
Background and purpose - Fast-tracking shortens the length of the primary treatment period (length of stay, LOS) after total knee replacement (TKR). We evaluated the influence of the fast-track concept on the length of uninterrupted institutional care (LUIC) and other outcomes after TKR. Patients and methods - 4,256 TKRs performed in 4 hospitals between 2009-2010 and 2012-2013 were identified from the Finnish Hospital Discharge Register and the Finnish Arthroplasty Register. Hospitals were classified as fast track (Hospital A) and non-fast track (Hospitals B, C and D)...
November 21, 2017: Acta Orthopaedica
https://www.readbyqxmd.com/read/29143404/tool-for-osteoarthritis-risk-prediction-toarp-over-8-years-using-baseline-clinical-data-x-ray-and-mri-data-from-the-osteoarthritis-initiative
#19
Gabby B Joseph, Charles E McCulloch, Michael C Nevitt, Jan Neumann, Alexandra S Gersing, Martin Kretzschmar, Benedikt J Schwaiger, John A Lynch, Ursula Heilmeier, Nancy E Lane, Thomas M Link
BACKGROUND: Osteoarthritis (OA), a multifactorial disease causing joint degeneration, often leads to severe disability. The rising rates of disability highlight the need for implementing preventative measures at early stages of the disease, which would especially benefit subjects at high risk for OA development. PURPOSE: To develop a risk prediction tool for moderate-severe OA (TOARP) over 8 years based on subject characteristics, knee radiographs, and MRI data at baseline using data from the Osteoarthritis Initiative (OAI)...
November 16, 2017: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/29110097/geographic-region-socioeconomic-position-and-the-utilisation-of-primary-total-joint-replacement-for-hip-or-knee-osteoarthritis-across-western-victoria-a-cross-sectional-multilevel-study-of-the-australian-orthopaedic-association-national-joint-replacement-registry
#20
Sharon Brennan-Olsen, Sara Vogrin, Kara L Holloway, Richard S Page, Muhammad A Sajjad, Mark A Kotowicz, Patricia M Livingston, Mustafa Khasraw, Sharon Hakkennes, Trish L Dunning, Susan Brumby, Daryl Pedler, Alasdair Sutherland, Svetha Venkatesh, Lana J Williams, Gustavo Duque, Julie A Pasco
Compared to urban residents, those in rural/regional areas often experience inequitable healthcare from specialist service providers. Independent of small between-area differences in utilisation, socially advantaged groups had the greatest uptake of joint replacement. These data suggest low correlation between 'need' vs. 'uptake' of surgery in rural/regional areas. BACKGROUND AND PURPOSE: Compared to urban residents, those in rural and regional areas often experience inequitable healthcare from specialist service providers, often due to geographical issues...
November 6, 2017: Archives of Osteoporosis
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