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https://www.readbyqxmd.com/read/28739626/patient-reported-outcome-measures-proms-enhancing-decision-making-and-follow-up
#1
Robert Walker, Anthony Thomas Gough, Dan H Williams
A case presentation of patient undergoing elective total knee replacement. Patient-reported outcome measures prospectively collected electronically pre and postoperatively allowed real-time review, aiding follow-up and reducing the need for clinical, face-to-face follow-up.
July 24, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28733774/a-study-of-anatomy-of-distal-femur-pertaining-to-total-knee-replacement-an-analysis-conclusions-and-recommendations
#2
K Kumar, D Sharma
BACKGROUND: Multiple landmarks including the transepicondylar axis (TEA), posterior condylar axis (PCA) and anterior trochlear line (TL) have been used to set up the femoral component rotation, but each is faced with its own practical obstacle that limits its usage. Also a common practice is to set the femoral component rotation at 3° external rotation to PCA and valgus resection angle at 5°-7° to anatomical axis of femur. For the reason that the anatomy of each knee is different, it may not be justified to practice such a set protocol in all cases...
July 21, 2017: Musculoskeletal Surgery
https://www.readbyqxmd.com/read/28732147/financial-incentives-and-health-coaching-to-improve-physical-activity-following-total-knee-replacement-a-randomized-controlled-trial
#3
Elena Losina, Jamie E Collins, Bhushan R Deshpande, Savannah R Smith, Griffin L Michl, Ilana M Usiskin, Kristina M Klara, Amelia R Winter, Heidi Y Yang, Faith Selzer, Jeffrey N Katz
OBJECTIVE: Most persons who undergo total knee replacement (TKR) do not increase their physical activity following surgery. We assessed whether financial incentives and health coaching would improve physical activity in persons undergoing TKR. METHODS: We designed a factorial randomized controlled trial among persons undergoing TKR for osteoarthritis. Subjects underwent normal perioperative procedures, including post-operative physical therapy, and were assigned to one of four arms: attention control, telephonic health coaching (THC), financial incentives (FI), or THC+FI...
July 21, 2017: Arthritis Care & Research
https://www.readbyqxmd.com/read/28711272/the-infection-of-mycoplasma-hominis-after-total-knee-replacement-case-report-and-literature-review
#4
Hong-Jiu Qiu, Wei-Ping Lu, Min Li, Zi-Ming Wang, Quan-Yin Du, Ai-Min Wang, Yan Xiong
The Mycoplasma hominis infection is a rare postoperative complication after joint replacement. Based on our knowledge, there were only two cases reported by Korea all over the world currently. A case of postoperative Mycoplasma hominis infection after total knee replacement in our hospital was reported in this article. It was confirmed through mass spectrometer and Mycoplasma cultivation and treated by the first stage debridement, polyethylene insert replacement, and then drainage and irrigation combined with sensitive antibiotics after the operation...
June 22, 2017: Chinese Journal of Traumatology, Zhonghua Chuang Shang za Zhi
https://www.readbyqxmd.com/read/28705915/microarray-analysis-of-bone-marrow-lesions-in-osteoarthritis-demonstrates-upregulation-of-genes-implicated-in-osteochondral-turnover-neurogenesis-and-inflammation
#5
Anasuya Kuttapitiya, Lena Assi, Ken Laing, Caroline Hing, Philip Mitchell, Guy Whitley, Abiola Harrison, Franklyn A Howe, Vivian Ejindu, Christine Heron, Nidhi Sofat
OBJECTIVE: Bone marrow lesions (BMLs) are well described in osteoarthritis (OA) using MRI and are associated with pain, but little is known about their pathological characteristics and gene expression. We evaluated BMLs using novel tissue analysis tools to gain a deeper understanding of their cellular and molecular expression. METHODS: We recruited 98 participants, 72 with advanced OA requiring total knee replacement (TKR), 12 with mild OA and 14 non-OA controls...
July 13, 2017: Annals of the Rheumatic Diseases
https://www.readbyqxmd.com/read/28705605/age-of-menarche-is-associated-with-knee-joint-replacement-due-to-primary-osteoarthritis-the-hunt-study-and-the-norwegian-arthroplasty-register
#6
A I Hellevik, L Nordsletten, M B Johnsen, A M Fenstad, O Furnes, K Storheim, J A Zwart, G Flugsrud, A Langhammer
OBJECTIVE: To investigate whether parity, age at menarche, menopausal status, age at menopause, use of oral contraceptives (OC) or use of hormone replacement therapy (HRT) were associated with total knee replacement (TKR) or total hip replacement (THR) due to primary osteoarthritis. METHOD: In a prospective cohort study of 30,289 women from the second and third surveys of the Nord-Trøndelag Health Study, data were linked to the Norwegian Arthroplasty Register (NAR) in order to identify TKR or THR due to primary osteoarthritis...
July 10, 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/28698316/description-of-the-rates-trends-and-surgical-burden-associated-with-revision-for-prosthetic-joint-infection-following-primary-and-revision-knee-replacements-in-england-and-wales-an-analysis-of-the-national-joint-registry-for-england-wales-northern-ireland-and
#7
Erik Lenguerrand, Michael R Whitehouse, Andrew D Beswick, Andrew D Toms, Martyn L Porter, Ashley W Blom
OBJECTIVES: To describe the prevalence rates of revision surgery for the treatment of prosthetic joint infection (PJI) for patients undergoing knee replacement, their time trends, the cumulative incidence function of revision for PJI and estimate the burden of PJI at health service level. DESIGN: We analysed revision knee replacements performed due to a diagnosis of PJI and the linked index procedures recorded in the National Joint Registry from 2003 to 2014 for England and Wales...
July 10, 2017: BMJ Open
https://www.readbyqxmd.com/read/28690046/kinematic-behavior-of-a-customized-surface-guided-knee-implant-during-simulated-knee-bending
#8
Shabnam Pejhan, Eric Bohm, Jan-Mels Brandt, Trevor Gascoyne, Urs Wyss
Different designs of total knee replacements (TKRs) aim to enhance the satisfaction of the patients by providing close to normal kinematics. In the surface-guided TKRs, the guidance of the motion in a normal pattern should be achieved through specially shaped articulating geometries. This study used virtual simulation along with a load-controlled knee wear simulator to evaluate the kinematic performance of a customized surface-guided TKR under weight-bearing conditions of lunging and squatting activities. The outcome pattern of TKR motion almost agreed with the predefined design target...
July 6, 2017: Medical Engineering & Physics
https://www.readbyqxmd.com/read/28689784/gedos-secot-consensus-on-the-care-process-of-patients-with-knee-osteoarthritis-and-arthoplasty
#9
M A Ruiz Iban, A Tejedor, E Gil Garay, C Revenga, J C Hermosa, J Montfort, M J Peña, J M López Millán, A Montero Matamala, A Capa Grasa, M J Navarro, M Gobbo, E Loza
OBJECTIVE: To develop recommendations on the evaluation and management procedure in patients undergoing total knee replacement based on best evidence and the experience of a panel of experts. METHODS: A multidisciplinary group of 12 experts was selected that defined the scope, users and the document parts. Three systematic reviews were performed in patients undergoing knee replacement: (i)efficacy and safety of fast-tracks; (ii)efficacy and safety of cognitive interventions in patients with catastrophic pain, and (iii) efficacy and safety of acute post-surgical pain management on post-surgical outcomes...
July 6, 2017: Revista Española de Cirugía Ortopédica y Traumatología
https://www.readbyqxmd.com/read/28688643/topical-anesthesia-for-staple-removal-from-surgical-wounds-on-the-knee-a-prospective-double-blind-randomized-trial
#10
Tzu-Hao Tseng, Ching-Chuan Jiang, Shau-Huai Fu, Tsung-Lin Lee, Ya-Hui Chuang, Hongsen Chiang
BACKGROUND: Staple removal from surgical wounds is painful. Only a few articles have provided expert opinions using anesthetic cream for such a problem; however, direct application of the anesthetic cream to a wound may cause infection. A safe alternative can be an anesthetic patch without wound contact. MATERIALS AND METHODS: This was a prospective, double-blind, randomized clinical trial. Sixty patients who underwent primary total knee replacement were assigned to an experimental group or control group...
July 2017: Journal of Surgical Research
https://www.readbyqxmd.com/read/28681269/a-retrospective-assessment-of-prognostication-in-456-685-patients-undergoing-elective-major-non-cardiac-surgery
#11
Daniel McIsaac, Luke T Lavallée, Carl van Walraven
BACKGROUND: The accuracy of patient prognostication varies extensively in studies of select populations. Prognostication is an important component of patient selection for elective surgery. This retrospective study assessed patient prognostication prior to elective surgery by comparing the observed with the expected number of deaths in such patients. STUDY DESIGN: We used population-based administrative data to identify all adults undergoing one of 13 most common elective major non-cardiac gender-neutral surgeries in Ontario, Canada from 2002-2014...
July 5, 2017: Canadian Journal of Anaesthesia, Journal Canadien D'anesthésie
https://www.readbyqxmd.com/read/28678604/a-post-marketing-assessment-of-major-bleeding-in-total-hip-and-total-knee-replacement-surgery-patients-receiving-rivaroxaban
#12
Louis M Kwong, Alexander G G Turpie, Capt Sally Tamayo, W Frank Peacock, Zhong Yuan, Nicholas Sicignano, Kathleen Pillsbury Hopf, Manesh Patel
BACKGROUND: Rivaroxaban is a novel oral anticoagulant indicated for prophylaxis against deep vein thrombosis and pulmonary embolism in patients undergoing total hip replacement (THR) or total knee replacement (TKR) surgery. OBJECTIVE: To evaluate major bleeding (MB) in THR/TKR patients receiving post-operative rivaroxaban. METHODS: Electronic medical records of nearly 10 million U.S. Department of Defense (DoD) beneficiaries were queried from January 1, 2013 through June 30, 2015...
July 5, 2017: Current Medical Research and Opinion
https://www.readbyqxmd.com/read/28678126/the-effect-on-long-term-survivorship-of-surgeon-preference-for-posterior-stabilized-or-minimally-stabilized-total-knee-replacement-an-analysis-of-63-416-prostheses-from-the-australian-orthopaedic-association-national-joint-replacement-registry
#13
Christopher J Vertullo, Peter L Lewis, Michelle Lorimer, Stephen E Graves
BACKGROUND: Controversy still exists as to the optimum management of the posterior cruciate ligament (PCL) in total knee arthroplasty. Surgeons can choose to kinematically substitute the PCL with a posterior-stabilized total knee replacement or alternatively to utilize a cruciate-retaining, also known as minimally stabilized, total knee replacement. Proponents of posterior-stabilized total knee replacement propose that the reported lower survivorship in registries when directly compared with minimally stabilized total knee replacement is due to confounders such as selection bias because of the preferential usage of posterior-stabilized total knee replacement in more complex or severe cases...
July 5, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28669018/revision-knee-arthroplasty-using-a-distal-femoral-replacement-prosthesis-for-periprosthetic-fractures-in-elderly-patients
#14
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/28667383/comparison-of-fixed-bearing-and-mobile-bearing-total-knee-arthroplasty-after-high-tibial-osteotomy
#15
Philippe Hernigou, Maxime Huys, Jacques Pariat, François Roubineau, Charles Henri Flouzat Lachaniette, Arnaud Dubory
PURPOSE: There is no information comparing the results of fixed-bearing total knee replacement and mobile-bearing total knee replacement in the same patients previously treated by high tibial osteotomy. The purpose was therefore to compare fixed-bearing and mobile-bearing total knee replacements in patients treated with previous high tibial osteotomy. METHODS: We compared the results of 57 patients with osteoarthritis who had received a fixed-bearing prosthesis after high tibial osteotomy with the results of 41 matched patients who had received a rotating platform after high tibial osteotomy...
June 30, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28666646/body-mass-index-as-a-predictor-of-outcome-in-total-knee-replace-a-systemic-review-and-meta-analysis
#16
Kai Sun, Hui Li
BACKGROUND: To conduct a meta-analysis with randomized controlled trials (RCTs) published in full text to demonstrate database to show the associations of perioperative, postoperative outcomes of normal and high body mass index (BMI) to provide the predictive diagnosis for clinic. METHODS: Literature search was performed in PubMed, Embase, Web of Science and Cochrane Library for information from the earliest date of data collection to February. RCTs comparing the benefits and risks of normal BMI with those of high BMI in primary total knee arthroplasty (TKA) were included...
June 27, 2017: Knee
https://www.readbyqxmd.com/read/28661228/a-comparison-between-electromechanical-and-pneumatic-controlled-knee-simulators-for-the-investigation-of-wear-of-total-knee-replacements
#17
Abdellatif Abdelgaied, John Fisher, Louise M Jennings
More robust preclinical experimental wear simulation methods are required in order to simulate a wider range of activities, observed in different patient populations such as younger more active patients, as well as to fully meet and be capable of going well beyond the existing requirements of the relevant international standards. A new six-station electromechanically driven simulator (Simulation Solutions, UK) with five fully independently controlled axes of articulation for each station, capable of replicating deep knee bending as well as other adverse conditions, which can be operated in either force or displacement control with improved input kinematic following, has been developed to meet these requirements...
July 2017: Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine
https://www.readbyqxmd.com/read/28660135/perioperative-blood-management-strategies-for-patients-undergoing-total-knee-replacement-where-do-we-stand-now
#18
REVIEW
Tzatzairis Themistoklis, Vogiatzaki Theodosia, Kazakos Konstantinos, Drosos I Georgios
Total knee replacement (TKR) is one of the most common surgeries over the last decade. Patients undergoing TKR are at high risk for postoperative anemia and furthermore for allogeneic blood transfusions (ABT). Complications associated with ABT including chills, rigor, fever, dyspnea, light-headedness should be early recognized in order to lead to a better prognosis. Therefore, perioperative blood management program should be adopted with main aim to reduce the risk of blood transfusion while maximizing hemoglobin simultaneously...
June 18, 2017: World Journal of Orthopedics
https://www.readbyqxmd.com/read/28657948/impact-of-the-hospital-readmission-reduction-program-on-surgical-readmissions-among-medicare-beneficiaries
#19
Andrew M Ibrahim, Hari Nathan, Jyothi R Thumma, Justin B Dimick
OBJECTIVE: To understand the impact of the Hospital Readmission Reduction Program on both future targeted and nontargeted surgical procedures. BACKGROUND: The Hospital Readmission Reduction Program, established under the Affordable Care Act in March of 2010, placed financial penalties on hospitals with higher than expected rates of readmission beginning in 2012 for targeted medical conditions. Multiple studies have suggested a "spill-over" effect into other conditions, but the extent of that effect for specific surgical procedures is unknown...
June 27, 2017: Annals of Surgery
https://www.readbyqxmd.com/read/28657570/two-stage-revision-after-total-knee-arthroplasty
#20
Paolo Di Benedetto, Enrico Daniele Di Benedetto, Michele Mario Buttironi, D De Franceschi, Alessandro Beltrame, Renato Gissoni, Vanni Cainero, Araldo Causero
Periprosthetic knee infection is a complication associated with prosthetic failure; incidence change from 0,4-2% of primary total knee replacement and 5,6% in revisions; incidence is increasing over the years. Two-stage revision is the technique used in chronic infection. Aim of the work is to check success rate in our data. Methods. We analyzed retrospectively data of patients who undergone two stage revision surgery between 01/01/2010 to 31/12/2015. We made a clinical and radiological control after 1, 3, 6, 12, 24 months and we evaluate the outcome in December 2016...
June 7, 2017: Acta Bio-medica: Atenei Parmensis
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