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Hip and knee arthroplasty

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https://www.readbyqxmd.com/read/29792786/imageless-navigation-total-hip-arthroplasty-an-evaluation-of-operative-time
#1
Epaminondas Markos Valsamis, David Ricketts, Adnan Hussain, Amir-Reza Jenabzadeh
INTRODUCTION: Imageless navigation has been successfully integrated in knee arthroplasty but its effectiveness in total hip arthroplasty (THA) has been debated. It has consistently been shown that navigation adds significant time and cost to the operation. Further, the relative success of traditional hip replacements has impeded the adoption of new techniques. METHODS: We compared the operative time between fifty total hip replacements with and without the use of imageless navigation by a single senior surgeon in a retrospective study...
2018: SICOT-J
https://www.readbyqxmd.com/read/29792279/can-intraoperative-measurement-of-bone-quality-help-in-decision-making-for-cementless-unicompartmental-knee-arthroplasty
#2
Johannes A Eckert, Sebastian Jaeger, Matthias C Klotz, Martin Schwarze, Rudi G Bitsch
BACKGROUND: In uncemented total hip arthroplasty (THA), low bone mineral density (BMD) is associated with aseptic loosening. BMD is usually assessed via dual-energy X-ray absorptiometry (DXA) or quantitative computed tomography, which takes time and exposes patients to radiation. Due to its low risk profile, intraoperative measurement of the trabecular stability might be a useful alternative to DXA. METHODS: In 24 human femora, BMD was analysed using DXA at the femoral necks and the knees...
May 20, 2018: Knee
https://www.readbyqxmd.com/read/29791698/stryker-orthopaedic-modeling-and-analytics-soma-a-review
#3
Walter Schmidt, Sally LiArno, Anton Khlopas, Andreas Petersik, Michael A Mont
Due to the differences in bone morphology between demographics such as age, gender, body mass index, and ethnicity, the development of orthopaedic implants requires a large number of anatomical data from various patient populations. In an effort to assess these demographic variations, Stryker Orthopaedic Modeling and Analytics (SOMA) has been developed. SOMA is a suite of tools which utilizes a comprehensive database of computed tomography scans (CT-scans), plus associated three-dimensional (3D) bone models, allowing the user to assess population differences in bone morphology, bone density, and implant fit for the purposes of research and development...
June 1, 2018: Surgical Technology International
https://www.readbyqxmd.com/read/29788969/psychosocial-predictors-for-outcome-after-total-joint-arthroplasty-a-prospective-comparison-of-hip-and-knee-arthroplasty
#4
Marion Lindner, Olaf Nosseir, Anett Keller-Pliessnig, Per Teigelack, Martin Teufel, Sefik Tagay
BACKGROUND: As findings regarding predictors for good outcome after total joint arthroplasty are highly inconsistent, aim of this study was to investigate the influence of the psychosocial variables sense of coherence and social support as well as mental distress on physical outcome after surgery. It should be investigated if different predictors are important in patients after total hip arthroplasty (THA) compared to patients after total knee arthroplasty (TKA). METHODS: In a prospective design, 44 patients undergoing THA and 61 patients undergoing TKA were examined presurgery and 6 and 12 weeks after surgery using WOMAC (disease-specific outcome), SF-36 (health-related quality of life), BSI (psychological distress), SOC-13 (sense of coherence), and F-SozU (social support)...
May 22, 2018: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/29788284/military-service-and-decision-quality-in-the-management-of-knee-osteoarthritis
#5
Eric R Henderson, Alexander J Titus, Benjamin J Keeney, Philip P Goodney, Jon D Lurie, Said A Ibrahim
Background: Decision quality measures the degree to which care decisions are knowledge-based and value-aligned. Because military service emphasizes hierarchy, command, and mandates some healthcare decisions, military service may attenuate patient autonomy in healthcare decisions and lower decision quality. VA is the nation's largest provider of orthopedic care. We compared decision quality in a sample of VA and non-VA patients seeking care for knee osteoarthritis. Methods: Our study sample consisted of patients newly referred to our orthopedic clinic for the management of knee osteoarthritis...
May 18, 2018: Military Medicine
https://www.readbyqxmd.com/read/29781366/high-dose-glucocorticoid-before-hip-and-knee-arthroplasty-to-use-or-not-to-use-that-s-the-question
#6
Henrik Kehlet, Viktoria Linberg-Larsen
No abstract text is available yet for this article.
May 21, 2018: Acta Orthopaedica
https://www.readbyqxmd.com/read/29780620/day-case-surgery-for-total-hip-and-knee-replacement-how-safe-and-effective-is-it
#7
Stefan Lazic, Oliver Boughton, Catherine F Kellett, Deiary F Kader, Loïc Villet, Charles Rivière
Multimodal protocols for pain control, blood loss management and thromboprophylaxis have been shown to benefit patients by being more effective and as safe (fewer iatrogenic complications) as conventional protocols.Proper patient selection and education, multimodal protocols and a well-defined clinical pathway are all key for successful day-case arthroplasty.By potentially being more effective, cheaper than and as safe as inpatient arthroplasty, day-case arthroplasty might be beneficial for patients and healthcare systems...
April 2018: EFORT Open Reviews
https://www.readbyqxmd.com/read/29780248/incidence-of-symptomatic-venous-thromboembolism-in-2372-knee-and-hip-replacement-patients-after-discharge-data-from-a-thromboprophylaxis-registry-in-montreal-canada
#8
Andréa Senay, Milanne Trottier, Josée Delisle, Andreea Banica, Benoit Benoit, G Yves Laflamme, Michel Malo, Hai Nguyen, Pierre Ranger, Julio C Fernandes
Background: Low-molecular-weight heparin (LMWH) is a recommended anticoagulant for thromboprophylaxis after major orthopedic surgery. Dabigatran etexilate is an oral anticoagulant recognized as noninferior to LMWH. We aimed to assess the incidence of symptomatic venous thromboembolic events (VTEs) after discharge in patients who underwent joint replacement, using a hospital registry. Patients and methods: Patients who underwent total knee and hip arthroplasty between September 2011 and March 2015 were selected...
2018: Vascular Health and Risk Management
https://www.readbyqxmd.com/read/29770878/slight-under-correction-following-total-knee-arthroplasty-for-a-valgus-knee-results-in-similar-clinical-outcomes
#9
Sung-Sahn Lee, Hyeon Lee, Dae-Hee Lee, Young-Wan Moon
BACKGROUND: Restoration of correct coronal alignment is one of the main goals of total knee arthroplasty (TKA). Traditionally, TKA has been considered successful when a neutral mechanical hip-knee-ankle (HKA) axis within 3° is achieved. Recent studies have reported no differences or improved clinical outcomes following a slight under-correction of the HKA axis for a varus knee. However, the influence of under-correction of a valgus knee has not been reported. This study investigated the influence of post-operative HKA alignment in TKA patients with valgus deformity on clinical outcomes...
May 16, 2018: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/29763429/factors-affecting-femoral-rotational-angle-based-on-the-posterior-condylar-axis-in-gap-based-navigation-assisted-total-knee-arthroplasty-for-valgus-knee
#10
Sung-Sahn Lee, Yong-In Lee, Dong-Uk Kim, Dae-Hee Lee, Young-Wan Moon
BACKGROUND: Achieving proper rotational alignment of the femoral component in total knee arthroplasty (TKA) for valgus knee is challenging because of lateral condylar hypoplasia and lateral cartilage erosion. Gap-based navigation-assisted TKA enables surgeons to determine the angle of femoral component rotation (FCR) based on the posterior condylar axis. This study evaluated the possible factors that affect the rotational alignment of the femoral component based on the posterior condylar axis...
2018: PloS One
https://www.readbyqxmd.com/read/29762120/readability-of-patient-educational-materials-for-total-hip-and-knee-arthroplasty
#11
Asa W Shnaekel, Kristie B Hadden, Tina D Moore, Latrina Y Prince, C Lowry Barnes
This study aimed to evaluate patient education materials that are focused on total hip arthroplasty (THA) and total knee arthroplasty (TKA) using health literacy best practices and plain language principles as frameworks. Readability assessments were conducted on a sample of nine patient education documents that are commonly given to THA and TKA surgery patients. Mean readability scores were compared across the sample. The mean readability grade level for the nine arthroplasty educational documents analyzed in this study was 11th grade (10...
2018: Journal of Surgical Orthopaedic Advances
https://www.readbyqxmd.com/read/29758587/regional-vs-general-anesthesia-for-total-knee-and-hip-replacement-an-analysis-of-postoperative-pain-perception-from-the-international-pain-out-registry
#12
Katharina Donauer, Hagen Bomberg, Stefan Wagenpfeil, Thomas Volk, Winfried Meissner, Alexander Wolf
BACKGROUND: Total hip and knee replacements are common surgeries, and an optimal pain treatment is essential for early rehabilitation. Since data from randomized controlled trails on the use of regional anesthesia in joint replacements of the lower extremities are conflicting, we analyzed the international PAIN OUT registry for comparison of regional anesthesia vs. general anesthesia regarding pain and morphine consumption on the first postoperative day. METHODS: International Classification of Diseases-9 (ICD-9) codes were used to identify 2,346 cases for knee and 2,315 for hip arthroplasty between 2010 and 2016 from the PAIN OUT registry...
May 14, 2018: Pain Practice: the Official Journal of World Institute of Pain
https://www.readbyqxmd.com/read/29752506/examination-of-intra-operative-core-temperature-in-joint-arthroplasty-a-single-institution-prospective-observational-study
#13
Jennifer R Matos, Julie R McSwain, Bethany J Wolf, J Wesley Doty, Sylvia H Wilson
PURPOSE: Peri-operative hypothermia is associated with increased blood loss, delayed wound healing, and surgical site infections. However, it is not known when or how rapidly hypothermia develops during arthroplasty. This study observed patients undergoing lower extremity arthroplasty to identify the times of greatest heat loss or gain. METHODS: This single-institution prospective observational study enrolled 120 patients undergoing elective knee or hip arthroplasty for peri-operative temporal temperature measurements at ten prespecified intervals...
May 11, 2018: International Orthopaedics
https://www.readbyqxmd.com/read/29749269/cms-hospital-readmission-reduction-program-and-anticoagulants-received-following-a-tha-tka-discharge
#14
François Laliberté, Craig I Coleman, Brahim Bookhart, Jeff Schein, Silas Martin, Willy Wynant, Yongling Xiao, Patrick Lefebvre, Scott Kaatz
OBJECTIVES: To assess association between 30-day readmission rate and treatment received after total hip and knee arthroplasty (THA/TKA) discharge (rivaroxaban vs. warfarin or non-anticoagulant). To subsequently model impact of increasing rivaroxaban use on the Hospital Readmission Reduction Program (HRRP) penalty, which was imposed on hospitals with excess 30-day readmissions after hospitalizations for selected conditions, including THA/TKA. METHODS: The US Truven Health MarketScan Medicare Supplemental database from 07/01/2010 to 04/30/2015 was used...
May 11, 2018: Current Medical Research and Opinion
https://www.readbyqxmd.com/read/29744425/preliminary-focus-on-the-mechanical-and-antibacterial-activity-of-a-pmma-based-bone-cement-loaded-with-gold-nanoparticles
#15
T Russo, A Gloria, R De Santis, U D'Amora, G Balato, A Vollaro, O Oliviero, G Improta, M Triassi, L Ambrosio
In total knee arthroplasty (TKA) and total hip replacement (THR) the restoration of the normal joint function represents a fundamental feature. A prosthetic joint must be able to provide motions and to transmit functional loads. As reported in the literature, the stress distribution may be altered in bones after the implantation of a total joint prosthesis. Some scientific works have also correlated uncemented TKA to a progressive decrease of bone density below the tibial component. Antibiotic-loaded bone cements are commonly employed in conjunction with systemic antibiotics to treat infections...
September 2017: Bioactive Materials
https://www.readbyqxmd.com/read/29743063/optimising-perioperative-care-for-hip-and-knee-arthroplasty-in-south-africa-a-delphi-consensus-study
#16
U Plenge, M B Nortje, L C Marais, J D Jordaan, R Parker, N van der Westhuizen, J F van der Merwe, J Marais, W V September, G L Davies, T Pretorius, C Solomon, P Ryan, A M Torborg, Z Farina, R Smit, C Cairns, H Shanahan, S Sombili, A Mazibuko, H R Hobbs, O S Porrill, N E Timothy, R E Siebritz, C van der Westhuizen, A J Troskie, C A Blake, L A Gray, T W Munting, H K S Steinhaus, P Rowe, J G van der Walt, R Isaacs Noordien, A Theron, B M Biccard
BACKGROUND: A structured approach to perioperative patient management based on an enhanced recovery pathway protocol facilitates early recovery and reduces morbidity in high income countries. However, in low- and middle-income countries (LMICs), the feasibility of implementing enhanced recovery pathways and its influence on patient outcomes is scarcely investigated. To inform similar practice in LMICs for total hip and knee arthroplasty, it is necessary to identify potential factors for inclusion in such a programme, appropriate for LMICs...
May 9, 2018: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/29738409/reduction-of-blood-loss-by-tranexamic-acid-following-total-hip-and-knee-arthroplasty-a-meta-analysis
#17
Arianna L Gianakos, Eoghan T Hurley, R Sterling Haring, Richard S Yoon, Frank A Liporace
BACKGROUND: This study involved a meta-analysis of 36 published studies to examine the efficacy of intravenous (IV) and intra-articular (IA) tranexamic acid (TXA) in reducing blood loss, drain output, thromboembolic complications, and hospital stay following total hip and total knee arthroplasty. This study also evaluated whether treatment with a combination of both IA and IV TXA has an effect on these outcomes. Lastly, this study attempted to analyze the method and technique of TXA administration in order to establish a best practice for its use in reducing overall blood loss in arthroplasty procedures...
May 1, 2018: JBJS Reviews
https://www.readbyqxmd.com/read/29737288/effect-of-different-types-of-anticoagulants-in-the-prevention-of-venous-thrombosis-in-the-operation-of-knee-joint-bone-operation
#18
Wensheng Xu, Tao Zhang, Zenghua Yang, Lin Nie
Deep venous thrombosis is one of the common complications after major surgery in the Department of Orthopedics. The selective knee replacement of the lower extremities is more likely to cause the occurrence of DVT. The most commonly used anticoagulants in the Department of Orthopedics now include low molecular weight heparin (LMWH), Rivaroxaban, ordinary heparin, aspirin and warfarin. At present, the clinical application of low molecular weight heparin is the most, and the effect is the most accurate. This study compared the efficacy and safety of three commonly used anticoagulants such as aspirin, LMWH and Rivaroxaban in preventing VTE after hip and knee arthroplasty, so as to provide a theoretical basis for selecting suitable anticoagulant drugs in clinic...
May 2018: Pakistan Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/29735456/effect-of-different-types-of-anticoagulants-in-the-prevention-of-venous-thrombosis-in-the-operation-of-knee-joint-bone-operation
#19
Wensheng Xu, Tao Zhang, Zenghua Yang, Lin Nie
Deep venous thrombosis is one of the common complications after major surgery in the Department of Orthopedics. The selective knee replacement of the lower extremities is more likely to cause the occurrence of DVT. The most commonly used anticoagulants in the Department of Orthopedics now include low molecular weight heparin (LMWH), Rivaroxaban, ordinary heparin, aspirin and warfarin. At present, the clinical application of low molecular weight heparin is the most, and the effect is the most accurate. This study compared the efficacy and safety of three commonly used anticoagulants such as aspirin, LMWH and Rivaroxaban in preventing VTE after hip and knee arthroplasty, so as to provide a theoretical basis for selecting suitable anticoagulant drugs in clinic...
May 2018: Pakistan Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/29735377/the-impact-of-solid-organ-transplant-history-on-inpatient-complications-mortality-length-of-stay-and-cost-for-primary-total-shoulder-arthroplasty-admissions-in-the-united-states
#20
Tennison L Malcolm, Kiran Chatha, Adam P Breceda, Eric Guo, Darren J Friedman, Vani J Sabesan, Wael K Barsoum
BACKGROUND: There is a growing population of patients with history of solid organ transplant (SOT) surgery among total joint patients. Patients with history of SOT have been found to have longer lengths of stay and higher inpatient hospital costs and complications rates after hip and knee arthroplasty. The purpose of this study was to determine whether this is true for shoulder arthroplasty in SOT patients. METHODS: The Nationwide Inpatient Sample was queried to describe relative demographic, hospital, and clinical characteristics, perioperative complications, length of stay, and total costs for patients with a history of SOT (International Classification of Diseases-9th Edition-Clinical Modificiation V42...
May 4, 2018: Journal of Shoulder and Elbow Surgery
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