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https://www.readbyqxmd.com/read/28734613/obesity-does-not-affect-outcomes-in-hybrid-versus-cemented-total-knee-arthroplasty-in-asians
#1
Jin-Guang Ernest Ang, Hamid Rahmatullah Bin Abd Razak, Tet-Sen Howe, Boon-Keng Tay, Seng-Jin Yeo
BACKGROUND: This study aims to evaluate patient reported and functional outcomes following hybrid versus cemented total knee arthroplasty (TKA) in patients, stratified by body mass index (BMI). METHODS: Registry data of patients undergoing primary TKA between January 2004 and January 2013 were collected. Baseline interviews were conducted preoperatively to assess sociodemographic characteristics, BMI, and knee arthritis severity, using the Knee Society Score which consists of the Knee Society Knee Score and the Knee Society Function Score (KSFS) and Oxford Knee Score (OKS)...
July 5, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28709613/a-regional-registry-study-of-216-patients-investigating-if-patient-satisfaction-after-total-knee-arthroplasty-changes-over-a-time-period-of-five-to-20years
#2
Odei Shannak, Jeya Palan, Colin Esler
AIMS: To determine the temporal changes in patient dissatisfaction following primary knee arthroplasty surgery (TKA). PATIENTS AND METHODS: Three hundred and ninety patients that had previously indicated they were either dissatisfied or unsure with their TKA at one-year post-surgery in our region were mailed a simple questionnaire in addition to the Oxford Knee Score and EQ-5D. RESULTS: A 55% response rate was achieved. The mean follow-up time period was 9...
August 2017: Knee
https://www.readbyqxmd.com/read/28695185/prospective-quality-of-life-assessment-after-hip-and-knee-arthroplasty-short-and-mid-term-follow-up-results
#3
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/28690462/open-wedge-distal-femoral-osteotomy-accuracy-of-correction-and-patient-outcomes
#4
Osama Elattar, Ishaan Swarup, Aaron Lam, Joseph Nguyen, Austin Fragomen, S Robert Rozbruch
BACKGROUND: There is a renewed interest in joint preservation surgery, and lateral opening wedge distal femoral osteotomy (DFO), a joint-preserving procedure, has been used to treat symptomatic genu valgum when the deformity originates in the distal femur. QUESTIONS/PURPOSES: This study aimed to measure the accuracy of lateral opening wedge DFO in achieving deformity correction using radiographic parameters. In addition, the ability of lateral opening wedge DFO to improve patient outcomes as measured by Short Form Health Survey (SF-36) scores and American Academy of Orthopedic Surgeons (AAOS) lower limb module (LLM) scores leading to successful joint preservation was assessed...
July 2017: HSS Journal: the Musculoskeletal Journal of Hospital for Special Surgery
https://www.readbyqxmd.com/read/28673198/does-preoperative-mental-health-affect-length-of-hospital-stay-and-functional-outcomes-following-arthroplasty-surgery-a-registry-based-cohort-study
#5
Neal Singleton, Vaughan Poutawera
AIM: It has been reported in the literature that patients with poor preoperative mental health are more likely to have worse functional outcomes following primary total hip and knee arthroplasty. We could find no studies investigating whether preoperative mental health also affects length of hospital stay following surgery. The aim of this study was to determine whether preoperative mental health affects length of hospital stay and long-term functional outcomes following primary total hip and knee arthroplasty...
May 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28669018/revision-knee-arthroplasty-using-a-distal-femoral-replacement-prosthesis-for-periprosthetic-fractures-in-elderly-patients
#6
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/28656874/cementless-femoral-components-in-bicondylar-hybrid-knee-arthroplasty-in-patients-with-rheumatoid-arthritis-a-10-year-survivorship-analysis
#7
Thilo Hotfiel, Hans-Dieter Carl, Teresa Eibenberger, Kolja Gelse, Julian Weiß, Andreas Jendrissek, Bernd Swoboda
BACKGROUND: Total knee arthroplasty (TKA) has been established as a successful surgical treatment in the late stages of rheumatoid joint destruction. The purpose of this study was to review the clinical outcome and survivorship in rheumatoid arthritis (RA) patients undergoing TKA in hybrid technique with a cementless fixation of the femoral component. METHODS: We analysed retrospectively 66 RA patients who underwent 72 TKAs (P.F.C. Sigma®). Mean follow-up time was 124 ± 41 months...
May 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28648704/total-knee-arthroplasty-using-bicruciate-stabilized-or-posterior-stabilized-knee-implants-provided-comparable-outcomes-at-2-years-a-prospective-multicenter-randomized-controlled-clinical-trial-of-patient-outcomes
#8
Jennie M Scarvell, Diana M Perriman, Paul N Smith, David G Campbell, Warwick J M Bruce, Bo Nivbrant
BACKGROUND: The bicruciate-stabilized (BCS) knee arthroplasty was developed to replicate normal knee kinematics. We examined the hypothesis that patients with osteoarthritis requiring total knee arthroplasty (TKA) will have better functional outcome and satisfaction with the BCS implant compared with an established posterior cruciate-stabilized implant. METHODS: This multicenter, randomized, controlled trial compared the clinical outcomes of a BCS implant against an established posterior cruciate-stabilized implant with 2-year follow-up...
May 22, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28633973/patellofemoral-osteoarthritis-progression-and-alignment-changes-after-open-wedge-high-tibial-osteotomy-do-not-affect-clinical-outcomes-at-mid-term-follow-up
#9
Kenichi Goshima, Takeshi Sawaguchi, Kenji Shigemoto, Shintaro Iwai, Akira Nakanishi, Ken Ueoka
PURPOSE: To evaluate the clinical and radiological outcomes of open-wedge high tibial osteotomy (OWHTO) with respect to the patellofemoral joint and to assess whether patellofemoral osteoarthritis (OA) progression and alignment changes after OWHTO affect clinical outcomes. METHODS: Inclusion criteria were consecutive patients who underwent OWHTO from March 2005 to September 2013. Exclusion criteria were loss to follow-up within 2 years and absence of second-look arthroscopy findings at the time of plate removal...
June 17, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28622842/two-stage-knee-arthrodesis-with-a-modular-intramedullary-nail-due-to-septic-failure-of-revision-total-knee-arthroplasty-with-extensor-mechanism-deficiency
#10
Max J Friedrich, Jan Schmolders, Matthias D Wimmer, Andreas C Strauss, Milena M Ploeger, Dieter C Wirtz, Sascha Gravius, Thomas M Randau
BACKGROUND: Periprosthetic joint infection is a serious complication and reconstruction after failed revision total knee arthroplasty with significant bone loss and compromised soft-tissues can be challenging. Objective of this study was to assess clinical and functional results, implant survival and infection recurrence rates in patients treated with two-stage arthrodesis after failed revision TKA with extensor mechanism deficiencies due to PJI, and to identify the factors that affect outcomes after surgery...
June 13, 2017: Knee
https://www.readbyqxmd.com/read/28616704/metallic-ion-release-after-knee-prosthesis-implantation-a-prospective-study
#11
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...
June 14, 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
#12
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/28599878/responsiveness-of-the-knee-injury-and-osteoarthritis-outcome-score%C3%A2-koos-and-the-oxford-knee-score-oks-in-japanese-patients%C3%A2-with-high-tibial-osteotomy
#13
Sabine Goldhahn, Ryohei Takeuchi, Norimasa Nakamura, Ryuichi Nakamura, Takeshi Sawaguchi
BACKGROUND: To assess responsiveness of the Japanese Knee Injury and Osteoarthritis Outcome Score (KOOS) and the Oxford Knee Score (OKS) in patients undergoing open-wedge HTO to treat knee osteoarthritis and/or osteonecrosis. METHODS: Patients completed a set of questionnaires before HTO surgery (baseline) and 1 year after surgery. The questionnaires comprised the validated Japanese versions of the KOOS, the OKS, and the SF-36v2 and a visual analogue scale (VAS) for local knee pain and general pain...
June 6, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28592075/-influence-of-tibial-component-slope-on-short-term-clinical-outcome-for-oxford-unicompartmental-knee-arthroplasty
#14
L Y Ma, W S Guo, Q D Zhang
Objective: To investigate the effects of tibial component slope change after microplasty (MP) Oxford unicompartmental knee arthroplasty (UKA) on short-term clinical outcome. Methods: A total of 116 patients(128 UKAs)underwent UKA in Department of Orthopaedic Surgery of China-Japan Friendship Hospital between January 2014 and December 2015 were retrospectively reviewed. Totally 100 patients (108 UKAs) were finally included in the study. There were 31 males and 69 females, aging from 47 to 90 years (mean 67.2 years)...
June 1, 2017: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
https://www.readbyqxmd.com/read/28592073/-influence-of-patellofemoral-joint-degeneration-on-outcome-of-medial-unicompartmental-knee-arthroplasty
#15
B Y Xu, B C Ji, W T Guo, W B Mu, L Cao
Objective: To evaluate the influence of patellofemoral joint degeneration and pre-operative pain location on the outcome of medial Oxford unicompartmental knee arthroplasty (UKA). Methods: A total of 58 patients (58 knees) with medial Oxford UKA had been performed for medial osteoarthritis from March 2013 to July 2014 in Department of Orthopaedic Surgery at First Teaching Hospital of Xinjiang Medical University were retrospective reviewed. There were 24 males and 34 females, the age from 43 to 87 years with the mean age was 68...
June 1, 2017: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
https://www.readbyqxmd.com/read/28574622/oxford-medial-unicompartmental-knees-display-contact-loss-during-step-cycle-motion-and-bicycle-motion-a-dynamic-radiostereometric-study
#16
Kristian Horsager, Bart L Kaptein, Peter B Jørgensen, Claus F Jepsen, Maiken Stilling
The Oxford medial unicompartmental knee is designed fully congruent, with the purpose of maintaining a large contact-area throughout motion and minimize wear. No other study has investigated this design feature in-vivo. We aimed to evaluate if contact-loss was introduced between the articulating surfaces of the Oxford medial unicompartmental knee during bicycle- and step-cycle motion, and whether this correlated with essential implant parameters, such as polyethylene (PE) wear, knee-loadings, and clinical outcome...
June 2, 2017: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/28571920/mobile-bearing-medial-unicompartmental-knee-arthroplasty-in-patients-whose-lifestyles-involve-high-degrees-of-knee-flexion-a-10-14year-follow-up-study
#17
Won Sik Choy, Kwang Won Lee, Ha Yong Kim, Kap Jung Kim, Young Sub Chun, Dae Suk Yang
BACKGROUND: Because Asian populations have different lifestyles, such as squatting and sitting on the floor, from those of Western populations, it is possible that the clinical results and survival rate of unicompartmental knee arthroplasty (UKA) for Asian patients may be different. This study described outcomes of mobile bearing medial UKA for Korean patients. METHODS: A total of the 164 knees treated with mobile bearing UKAs in 147 patients (14 males and 133 females) were reviewed...
May 29, 2017: Knee
https://www.readbyqxmd.com/read/28551201/multifactorial-analysis-of-dissatisfaction-after-primary-total-knee-replacement
#18
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
https://www.readbyqxmd.com/read/28538534/enhanced-recovery-after-surgery-for-hip-and-knee-replacements
#19
David P Gwynne-Jones, Ginny Martin, Chris Crane
BACKGROUND: Enhanced recovery after surgery (ERAS) programs or hip and knee replacements have had a significant effect on streamlining patient care with shorter stays, no increase in complications, and improved outcomes including reduced mortality. PURPOSE: To compare outcomes following the introduction of an ERAS program for hip and knee replacements developed at our institution with a historical cohort of patients. METHODS: ERAS protocols were developed at our institution for patients undergoing hip and knee joint replacements...
May 2017: Orthopaedic Nursing
https://www.readbyqxmd.com/read/28532493/distal-femoral-replacement-with-the-mml-system-a-single-center-experience-with-an-average-follow-up-of-86%C3%A2-months
#20
Andreas Toepfer, Norbert Harrasser, Paul-Ruben Schwarz, Florian Pohlig, Ulrich Lenze, Heinrich M L Mühlhofer, Ludger Gerdesmeyer, Ruediger von Eisenhart-Rothe, Christian Suren
BACKGROUND: The aim of this study was to compare the functional outcomes and complication rates after distal femoral replacement (DFR) performed with the modular Munich-Luebeck (MML) modular prosthesis (ESKA/Orthodynamics, Luebeck, Germany) in patients being treated for malignant disease or failed total knee arthroplasty. METHODS: A retrospective review of patient charts and a functional investigation (involving Musculoskeletal Tumor Society Score [MSTS], American Knee Society Score [AKSS], Oxford Knee Score [OKS], Western Ontario and McMaster Universities Osteoarthritis Index [WOMAC], Toronto Extremity Salvage Score [TESS], the 12-Item Short-Form [SF-12] Health Survey, and a failure classification system developed by Henderson et al...
May 22, 2017: BMC Musculoskeletal Disorders
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