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Revision knee arthroplasty

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https://www.readbyqxmd.com/read/28924355/revision-total-knee-arthroplasty-using-the-modern-constrained-condylar-knee-prosthesis
#1
Naoki Nakano, Tomoyuki Matsumoto, Hirotsugu Muratsu, Kazunari Ishida, Ryosuke Kuroda, Masahiro Kurosaka
OBJECTIVE: To determine whether the second-generation constrained condylar prosthesis provided satisfactory results in revision total knee arthroplasty. METHODS: A series of 41 cases of revision total knee arthroplasty using the second-generation constrained condylar knee prosthesis was reviewed. The series comprised 7 men and 34 women with a mean age of 73.2 years. The original diagnosis was predominantly osteoarthritis. The most common reason for revision surgery was aseptic loosening...
November 2016: Acta Ortopedica Brasileira
https://www.readbyqxmd.com/read/28915156/a-risk-calculator-using-preoperative-opioids-for-prediction-of-total-knee-revision-arthroplasty
#2
Jordan Starr, Irene Rozet, Alon Ben-Ari
OBJECTIVES: Total knee arthroplasty (TKA) is a procedure to improve quality of life. However, some patients require early total knee revision (TKR). Chronic opioid use before TKA is associated with TKR. No risk calculator including opioid use or other risk factors is currently available for predicting TKR. MATERIALS AND METHODS: We retrospectively analyzed medical records of Veterans Affairs patients who underwent TKA from January 1, 2006 to January 1, 2012. Patients were followed until January 1, 2013...
September 14, 2017: Clinical Journal of Pain
https://www.readbyqxmd.com/read/28913406/long-term-results-of-a-porous-tantalum-monoblock-tibia-component-clinical-and-radiographic-results-at-follow-up-of-10-years
#3
Daniel Gerscovich, Catherine Schwing, Anthony Unger
BACKGROUND: The purpose of this study is to assess the long-term follow-up of cementless total knee arthroplasty with the trabecular metal (TM) monoblock tibial component at an average 10-year follow-up. This report is an extension of our previously reported series of 108 TM tibias reported in 2011 (Unger and Duggan, 2011). METHODS: Fifty-eight of the original 108 knees were available for review. Each follow-up patient was evaluated by radiologic and clinical Knee Society Scores...
September 2017: Arthroplasty Today
https://www.readbyqxmd.com/read/28913396/severe-heterotopic-ossification-and-stiffness-after-revision-knee-surgery-for-a-periprosthetic-fracture
#4
Maher Baroudi, Pascale Derome, Michel Malo
Although heterotopic ossification (HO) after total hip arthroplasty has been very well described as a cause of disability, much less was written on clinical dysfunction of HO after total knee arthroplasty (TKA). To the extent of our knowledge, there has been no published case of complete bony ankylosis, secondary to severe generalized HO, after a TKA. We present the case of a 67-year-old female treated successfully, with surgical excision of ossification and TKA revision surgery, using a rotating hinge system...
September 2017: Arthroplasty Today
https://www.readbyqxmd.com/read/28910828/comparative-analysis-between-cone-and-sleeve-in-managing-severe-bone-defect-during-revision-total-knee-arthroplasty-a-systematic-review-and-meta-analysis
#5
Hyun Jung Kim, O-Sung Lee, Seung Hoon Lee, Yong Seuk Lee
No abstract text is available yet for this article.
September 14, 2017: Journal of Knee Surgery
https://www.readbyqxmd.com/read/28902602/reestablishment-of-the-posterior-stability-after-the-posterior-cruciate-ligament-released-cruciate-retaining-total-knee-arthroplasty
#6
Yasushi Oshima, Joseph Fetto
PURPOSE: The cruciate retaining (CR) design was developed to obtain knee stability with the natural posterior cruciate ligament (PCL) in total knee arthroplasty (TKA). However, the preservation of the PCL can limit knee exposure and increase the technical challenge during the procedure. Knee exposure is easily achieved under the released PCL, and we hypothesized that the PCL naturally repairs after release, thus re-establishing the posterior stability. Accordingly, the objective of this study was to evaluate the varying of the posterior stability after the PCL-released CR TKA over time...
May 2017: Bulletin of the Hospital for Joint Diseases
https://www.readbyqxmd.com/read/28899593/radiographic-findings-in-patients-with-catastrophic-varus-collapse-after-total-knee-arthroplasty
#7
J Ryan Martin, Keith A Fehring, Chad D Watts, Bryan D Springer, Thomas K Fehring
BACKGROUND: Catastrophic varus collapse is an uncommon mechanism of failure in primary total knee arthroplasty (TKA). Varus collapse has been associated with obesity and smaller implant sizes. However, to our knowledge, preoperative radiographic characterization of this cohort has not been performed. Therefore, the following study evaluated preoperative alignment and how this correlates with the degree of eventual varus collapse identified in this patient population prior to revision...
August 31, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28887020/narcotic-use-and-total-knee-arthroplasty
#8
Jourdan M Cancienne, Kishan J Patel, James A Browne, Brian C Werner
BACKGROUND: Although the United States is in the midst of a narcotic epidemic, risk factors for use and the impact of perioperative narcotic use on total knee arthroplasty (TKA) outcomes is ill-defined. METHODS: A national database was queried for patients who underwent primary TKA from 2007 to 2015. Patients taking narcotics in the preoperative, and for a prolonged period of time postoperatively, were identified. The risk factors for prolonged narcotic use were analyzed with a regression analysis, in addition to evaluating preoperative and prolonged postoperative use as independent risk factors for short-term and long-term complications...
August 17, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28886100/biomechanical-evaluation-of-tibial-bone-adaptation-after-revision-total-knee-arthroplasty-a-comparison-of-different-implant-systems
#9
María Paz Quilez, Belen Seral, María Angeles Pérez
The best methods to manage tibial bone defects following total knee arthroplasty remain under debate. Different fixation systems exist to help surgeons reconstruct knee osseous bone loss (such as tantalum cones, cement, modular metal augments, autografts, allografts and porous metaphyseal sleeves) However, the effects of the various solutions on the long-term outcome remain unknown. In the present work, a bone remodeling mathematical model was used to predict bone remodeling after total knee arthroplasty (TKA) revision...
2017: PloS One
https://www.readbyqxmd.com/read/28882962/prospective-analysis-of-a-sterile-semi-automated-tissue-biopsy-homogenization-method-in-the-diagnosis-of-prosthetic-joint-infections
#10
Christian Suren, Norbert Harrasser, Florian Pohlig, Ingo J Banke, Ulrich Lenze, Florian Lenze, Carolin Knebel, Rüdiger VON Eisenhart-Rothe, Johannes Schauwecker, Heinrich M L Mühlhofer
BACKGROUND/AIM: Prosthetic joint infection (PJI) remains a serious complication of total joint arthroplasty. To effectively treat PJI, it is essential to identify the microorganism causing it and be able to combine correct surgical and anti-infective treatments. This cannot always be achieved with the currently employed diagnostic methods. The aim of this study was to evaluate a semi-automated tissue biopsy bead milling method (Ultra-TurrAX, Axonlab AG; Reichenbach, Germany) based on the hypothesis that the results are more sensitive for microbe detection and less prone to contamination...
September 2017: In Vivo
https://www.readbyqxmd.com/read/28882132/hospital-volume-and-the-risk-of-revision-in-oxford-unicompartmental-knee-arthroplasty-in-the-nordic-countries-an-observational-study-of-14-496-cases
#11
Mona Badawy, Anne M Fenstad, Christoffer A Bartz-Johannessen, Kari Indrekvam, Leif I Havelin, Otto Robertsson, Annette W-Dahl, Antti Eskelinen, Keijo Mäkelä, Alma B Pedersen, Henrik M Schrøder, Ove Furnes
BACKGROUND: High procedure volume and dedication to unicompartmental knee arthroplasty (UKA) has been suggested to improve revision rates. This study aimed to quantify the annual hospital volume effect on revision risk in Oxfordu nicompartmental knee arthroplasty in the Nordic countries. METHODS: 14,496 cases of cemented medial Oxford III UKA were identified in 126 hospitals in the four countries included in the Nordic Arthroplasty Register Association (NARA) database from 2000 to 2012...
September 7, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28879594/body-mass-index-changes-after-unicompartmental-knee-arthroplasty-do-not-adversely-influence-patient-outcomes
#12
Zhan Xia, Ming Han Lincoln Liow, Graham Seow-Hng Goh, Hwei Chi Chong, Ngai Nung Lo, Seng Jin Yeo
PURPOSE: The objective of this study is to evaluate the prevalence of patients who lost or gained weight following unicompartmental knee arthroplasty (UKA), the effect of post-operative body mass index (BMI) changes on functional outcomes and quality of life (QoL), and predictive factors associated with BMI changes. METHODS: Prospectively collected data of 1043 patients who underwent UKA between 2000 and 2014 were reviewed. BMI, Knee Society Knee Score and Function Score, Oxford Knee Score (OKS), Short-Form 36 (SF-36) Physical Component Score (PCS) and Mental Component Score and proportion of patients attaining OKS/SF-36 minimal clinically important differences (MCID) were recorded preoperatively and at 2 years post-operatively...
September 6, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28878516/enhanced-recovery-principles-applied-to-revision-hip-and-knee-arthroplasty-reduces-length-of-stay-and-blood-transfusion
#13
Michael Kent, Nick Calvert, Kevin Blades, Alex Swann, Piers Yates
INTRODUCTION: This is the first study reporting the application of Enhanced Recovery Principles (ERP) to revision arthroplasty. METHOD: Retrospective series of 132 revision hip and knee replacements treated with ERP. RESULTS: Infiltration was associated with reduced LOS in knees (6 vs 8.5 days), lower PCA usage and incidence of transfusion in knees (2 vs 3 days) and hips (1 vs 6 days). Revisions for infection had a longer LOS (5.4 vs 11...
December 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/28869114/multidrug-resistant-organisms-in-the-setting-of-periprosthetic-joint-infection-diagnosis-prevention-and-treatment
#14
REVIEW
Matthew P Siljander, Ali H Sobh, Kevin C Baker, Erin A Baker, Lige M Kaplan
BACKGROUND: Periprosthetic joint infection (PJI) is a rare yet challenging problem in total hip and knee arthroplasties. The management of PJI remains difficult primarily due to the evolution of resistance by the infecting organisms. METHODS: This review profiles acquired mechanisms of bacterial resistance and summarizes established and emerging techniques in PJI diagnosis, prevention, and treatment. RESULTS: New techniques in PJI diagnosis and prevention continue to be explored...
August 3, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28865425/silver-coated-modular-megaendoprostheses-in-salvage-revision-arthroplasty-after-periimplant-infection-with-extensive-bone-loss-a-pilot-study-of-34-patients
#15
Dirk Zajonz, Undine Birke, Mohamed Ghanem, Torsten Prietzel, Christoph Josten, Andreas Roth, Johannes K M Fakler
BACKGROUND: Hip and knee replacements in patients with bone defects after infection correlates with high rates of reinfection. In this vulnerable patient population, the prevention of reinfection is to be considered superordinate to the functionality and defect bridging. The use of silver coating of aseptic implants as an infection prophylaxis is already proven; however, the significance of these coatings in septic reimplantation of large implants is still not sufficiently investigated...
September 2, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28861196/patellofemoral-joint-arthroplasty-early-results-and-functional-outcome-of-the-zimmer-gender-solutions-patello-femoral-joint-system
#16
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/28860397/diagnosis-of-prosthetic-joint-infection-with-alpha-defensin-using-a-lateral-flow-device-a-multicentre-study
#17
MULTICENTER STUDY
P Berger, M Van Cauter, R Driesen, J Neyt, O Cornu, J Bellemans
AIMS: The purpose of this current multicentre study is to analyse the presence of alpha-defensin proteins in synovial fluid using the Synovasure lateral flow device and to determine its diagnostic reliability and accuracy compared with the prosthetic joint infection (PJI) criteria produced by the Musculoskeletal Infection Society (MSIS). PATIENTS AND METHODS: A cohort of 121 patients comprising 85 total knee arthroplasties and 36 total hip arthroplasties was prospectively evaluated between May 2015 and June 2016 in three different orthopaedic centres...
September 2017: Bone & Joint Journal
https://www.readbyqxmd.com/read/28855192/the-effect-of-implant-position-on-bone-strain-following-lateral-unicompartmental-knee-arthroplasty-a-biomechanical-model-using-digital-image-correlation
#18
A M Ali, S D S Newman, P A Hooper, C M Davies, J P Cobb
OBJECTIVES: Unicompartmental knee arthroplasty (UKA) is a demanding procedure, with tibial component subsidence or pain from high tibial strain being potential causes of revision. The optimal position in terms of load transfer has not been documented for lateral UKA. Our aim was to determine the effect of tibial component position on proximal tibial strain. METHODS: A total of 16 composite tibias were implanted with an Oxford Domed Lateral Partial Knee implant using cutting guides to define tibial slope and resection depth...
August 2017: Bone & Joint Research
https://www.readbyqxmd.com/read/28844630/do-porous-tantalum-metaphyseal-cones-improve-outcomes-in-revision-total-knee-arthroplasty
#19
Daniel D Bohl, Nicholas M Brown, Mitchell A McDowell, Brett R Levine, Scott M Sporer, Wayne G Paprosky, Craig J Della Valle
BACKGROUND: Some authors have advocated for use of porous tantalum metaphyseal cones to manage bone defects during revision total knee arthroplasty (TKA). The purpose of this study is to compare results with porous metaphyseal cones to results with traditional hybrid stem fixation in revision TKA. METHODS: Forty-nine patients undergoing revision TKA with femoral and/or tibial metaphyseal cones (39 tibial only, 3 femoral only, 7 both) were matched by surgical indication to 49 patients undergoing revision TKA with a traditional hybrid stem (non-cone) technique...
July 28, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28844628/revision-total-knee-arthroplasty-in-octogenarians-an-analysis-of-957-cases
#20
Patawut Bovonratwet, Vineet Tyagi, Taylor D Ottesen, Nathaniel T Ondeck, Lee E Rubin, Jonathan N Grauer
BACKGROUND: The number of octogenarians undergoing revision total knee arthroplasty (TKA) is increasing. However, there has been a lack of studies investigating the perioperative course and safety of revision TKA performed in this potentially vulnerable population in a large patient population. The purpose of this study is to compare complications following revision TKA between octogenarians and 2 younger patient populations (<70 and 70-79 year olds). METHODS: Patients who underwent revision TKA were identified in the 2005-2015 National Surgical Quality Improvement Program database and stratified into 3 age groups: <70, 70-79, and ≥80 years...
July 28, 2017: Journal of Arthroplasty
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