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Prosthetic joint

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https://www.readbyqxmd.com/read/28943172/staphylococcus-lugdunensis-small-colony-variant-conversion-resulting-in-chronic-prosthetic-joint-infection
#1
X Argemi, S Dahyot, J Lebeurre, Y Hansmann, C Ronde Oustau, G Prévost
No abstract text is available yet for this article.
September 21, 2017: Médecine et Maladies Infectieuses
https://www.readbyqxmd.com/read/28940776/influence-of-collars-on-the-primary-stability-of-cementless-femoral-stems-a-finite-element-study-using-a-diverse-patient-cohort
#2
Rami M A Al-Dirini
For cementless femoral stems, there is debate as to whether a collar enhances primary stability and load transfer compared to collarless designs. Finite Element (FE) analysis has the potential to compare stem designs within the same cohort, allowing for subtle performance differences to be identified, if present. Subject-specific FE models of intact and implanted femora were run for a diverse cohort (21 males, 20 females; BMI 16.4-41.2 kg.m(-2) , age 50-80yrs). Collared and collarless versions of Corail® (DePuy Synthes) were sized and positioned using an automated algorithm that aligns the femoral/stem axes, preserves the head-centre location and maximises metaphyseal fit...
September 21, 2017: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/28932311/differences-between-subjective-balanced-occlusion-and-measurements-reported-with-t-scan-iii
#3
Zana Lila-Krasniqi, Kujtim Shala, Teuta Pustina Krasniqi, Teuta Bicaj, Enis Ahmedi, Linda Dula, Arlinda Tmava Dragusha, Ljuben Guguvcevski
BACKGROUND: The aetiology of Temporomandibular disorder is multifactorial, and numerous studies have addressed that occlusion may be of great importance in the pathogenesis of Temporomandibular disorder. AIM: The aim of this study is to determine if any direct relationship exists between balanced occlusion and Temporomandibular disorder and to evaluate the differences between subjective balanced occlusion and measurements reported with T-scan III electronic system...
August 15, 2017: Open Access Macedonian Journal of Medical Sciences
https://www.readbyqxmd.com/read/28928998/early-onset-prosthetic-joint-infection-and-bacteremia-due-to-campylobacter-fetus-subspecies-fetus
#4
Igor Dumic, Mohan Sengodan, Joni J Franson, Diego Zea, Poornima Ramanan
Campylobacter fetus is a zoonotic pathogen that occasionally causes serious, relapsing, invasive disease, especially in immunocompromised hosts. We report a case of relapsing C. fetus diarrheal illness in a 75-year-old woman which resulted in secondary bacteremia and seeding of the left knee prosthetic joint. Patient responded favorably to debridement and retention of prosthesis in addition to six weeks of meropenem followed by chronic oral doxycycline suppressive therapy.
2017: Case Reports in Infectious Diseases
https://www.readbyqxmd.com/read/28927881/four-year-outcomes-of-midcarpal-hemiarthroplasty-for-wrist-arthritis
#5
Marie Anneberg, Greg Packer, Joseph J Crisco, Scott Wolfe
PURPOSE: The purpose of this study was to review the average 4-year outcomes of a cohort of patients with wrist arthritis, treated by a single surgeon with a novel prosthetic hemiarthroplasty of the midcarpal joint. We hypothesized that midcarpal hemiarthroplasty would improve range of motion and grip strength of patients with wrist arthritis, with a complication profile comparable with that of alternative solutions for wrist arthritis. METHODS: We reviewed a series of 20 patients treated with a midcarpal hemiarthroplasty at an average of 4 years following surgery...
September 16, 2017: Journal of Hand Surgery
https://www.readbyqxmd.com/read/28915961/short-stem-total-hip-arthroplasty-potential-explanations-for-persistent-post-surgical-thigh-pain
#6
Isabel A C Baert, Enrique Lluch, Francis Van Glabbeek, Rudy Nuyts, Salim Rufai, Joanna Tuynman, Filip Struyf, Mira Meeus
Short stem uncemented femoral implants were developed with the aim of preserving proximal bone stock for future revisions, improving biomechanical reconstruction, aiding insertion through smaller incisions and potentially decreasing or limiting the incidence of thigh pain. Despite all the advantages of short stem designs, it remains unclear whether they are able to limit post-surgical thigh pain. In patients with short stem hip arthroplasty and persistent thigh pain, it is of the utmost importance to understand the potential etiologies of this chronic pain for selecting the appropriate treatment strategy...
September 2017: Medical Hypotheses
https://www.readbyqxmd.com/read/28894691/gonococcal-prosthetic-joint-infection
#7
Ian Gassiep, Bradley Gilpin, Joel Douglas, David Siebert
Neisseria gonorrhoea is a common sexually transmitted infection worldwide. Disseminated gonococcal infection is an infrequent presentation and rarely can be associated with septic arthritis. Incidence of this infection is rising, both internationally and in older age groups. We present the first documented case of N. gonorrhoea prosthetic joint infection which was successfully treated with laparoscopic debridement and antimicrobial therapy.
2017: Journal of bone and joint infection
https://www.readbyqxmd.com/read/28888523/mechanical-alignment-technique-for-tka-are-there-intrinsic-technical-limitations
#8
Charles Rivière, FarhadIranpour, Edouard Auvinet, ArashAframian, Kirsty Asare, Simon Harris, Justin Cobb, Sébastien Parratte
BACKGROUND: Mechanically aligned (MA) total knee arthroplasty (TKA) is affected by disappointing functional outcomes in spite of the recent improvements in surgical precision and implant designs. This might suggest the existence of intrinsic technical limitations. Our study aims to compare the prosthetic and native trochlear articular surfaces and to estimate the extent of collateral ligament imbalance which is technically un-correctable by collateral ligament release when TKA implants are mechanically aligned...
September 6, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28884616/effect-of-walking-in-footwear-with-varying-heel-sole-differentials-on-shank-and-foot-segment-kinematics
#9
Elaine Owen, Stefania Fatone, Andrew Hansen
BACKGROUND: When walking in footwear with a positive "heel sole differential", the sagittal kinematics of the base of the footwear appear to mimic normal barefoot foot kinematics, creating an "effective foot," yet sagittal shank, thigh, and trunk kinematics appear to remain unchanged. These observations have not been quantified. OBJECTIVES: To quantify these observations by assessing the effect of different heel sole differentials on sagittal shank and foot segment kinematics of able-bodied walking...
September 1, 2017: Prosthetics and Orthotics International
https://www.readbyqxmd.com/read/28883822/the-role-of-the-chemokine-system-in-tissue-response-to-prosthetic-by-products-leading-to-periprosthetic-osteolysis-and-aseptic-loosening
#10
REVIEW
Tereza Dyskova, Jiri Gallo, Eva Kriegova
Millions of total joint replacements are performed annually worldwide, and the number is increasing every year. The overall proportion of patients achieving a successful outcome is about 80-90% in a 10-20-years time horizon postoperatively, periprosthetic osteolysis (PPOL) and aseptic loosening (AL) being the most frequent reasons for knee and hip implant failure and reoperations. The chemokine system (chemokine receptors and chemokines) is crucially involved in the inflammatory and osteolytic processes leading to PPOL/AL...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28883009/total-knee-prosthesis-infected-with-mycobacterium-tuberculosis
#11
Fatehi E Elzein, Mohammed Haris, Saad S Alolayan, Nisreen Al Sherbini
Mycobacterium tuberculosis (MTB) infection of a prosthetic joint is rarely reported in developed countries.(1) Typically, MTB infection involves the hips or knees, and the infection can occur secondary to crushing and degradation of the granuloma during surgery or, less commonly, from distant foci spreading through the blood. In the present case, MTB infection likely resulted from haematogenous spread since multiple hot spots suggestive of MTB infection were noted in other sites. Early diagnosis allows for antitubercular therapy with retention of the prosthesis, while late diagnosis frequently results in removal and reimplantation of the joint...
September 7, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28882962/prospective-analysis-of-a-sterile-semi-automated-tissue-biopsy-homogenization-method-in-the-diagnosis-of-prosthetic-joint-infections
#12
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/28880183/gaussian-process-autoregression-for-simultaneous-proportional-multi-modal-prosthetic-control-with-natural-hand-kinematics
#13
Michele Xiloyannis, Constantinos Gavriel, Andreas A C Thomik, A Aldo Faisal
Matching the dexterity, versatility and robustness of the human hand is still an unachieved goal in bionics, robotics and neural engineering. A major limitation for hand prosthetics lies in the challenges of reliably decoding user intention from muscle signals when controlling complex robotic hands. Most of the commercially available prosthetic hands use musclerelated signals to decode a finite number of predefined motions and some offer proportional control of open/close movements of the whole hand. Here, in contrast, we aim to offer users flexible control of individual joints of their artificial hand...
August 31, 2017: IEEE Transactions on Neural Systems and Rehabilitation Engineering
https://www.readbyqxmd.com/read/28878512/comparison-of-postoperative-complications-after-total-hip-arthroplasty-among-patients-receiving-aspirin-enoxaparin-warfarin-and-factor-xa-inhibitors
#14
Perez Agaba, Beau J Kildow, Herman Dhotar, Thorsten M Seyler, Michael Bolognesi
Optimal prophylaxis for prevention of venous thromboembolism (VTE) after total joint arthroplasty (TJA) remains debated. The purpose of this study was to compare postoperative complications in patients receiving different VTE chemoprophylactic regimens. Using a nationwide healthcare database, 72,670 THA patients without a history of VTE were identified. Study cohorts received VTE prophylaxis within 30 days postoperatively. Odds ratios and 95% confidence intervals were used to assess 30-day and 90-day postoperative complications (hematoma, hemorrhage, transfusion, pulmonary embolism (PE), VTE, prosthetic joint infection (PJI), and incision/drainage (I&D))...
December 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/28876459/antibiotic-elution-from-acrylic-bone-cement-loaded-with-high-doses-of-tobramycin-and-vancomycin
#15
Joshua Slane, Bradley Gietman, Matthew Squire
Two-stage revision treatment of prosthetic joint infection (PJI) frequently employs the use of a temporary bone cement spacer loaded with multiple antibiotic types. Tobramycin and vancomycin are commonly used antibiotics in cement spacers, however, there is no consensus on the relative concentrations and combinations that should be used. Therefore, the purpose of this study was to investigate the influence of dual antibiotic loading on the total antibiotic elution and compressive mechanical properties of acrylic bone cement...
September 6, 2017: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/28874245/prosthetic-joint-infection-following-total-hip-arthroplasty-incidence-mortality-and-validation-of-the-diagnosis-in-the-danish-hip-arthroplasty-register
#16
Per Hviid Gundtoft
Prosthetic joint infection (PJI) is a rare, but devastating complication following primary total hip arthroplasty (THA). As PJI is a rare event, large cohorts of patients are required in order to study this complication. National arthroplasty registers offer such large and unselected cohorts, but studies have shown that these registers - used alone - underestimate the incidence of PJI. The aim of this thesis was to estimate the incidence of PJI and the mortality risk following a PJI by combining data from the Danish Hip Arthroplasty Register (DHR), the National Register of Patients (NRP), the Microbiology Databases, the Civil Registration System, the medical records, the Danish National Prescription Registry and the Clinical Biochemistry Databases...
September 2017: Danish Medical Journal
https://www.readbyqxmd.com/read/28870736/role-of-rifampin-for-the-treatment-of-bacterial-infections-other-than-mycobacteriosis
#17
REVIEW
Chun-Yuan Lee, Chung-Hao Huang, Po-Liang Lu, Wen-Chien Ko, Yen-Hsu Chen, Po-Ren Hsueh
OBJECTIVES: Rifampin was initially approved for the treatment of tuberculosis. Because of its low toxicity, broad-spectrum activity, and good bioavailability, rifampin is now commonly administered as combination antimicrobial therapy for the treatment of various infections caused by organisms other than mycobacteria. This review summarizes the most recent clinical studies on the use of rifampin combinations for treating four common non-mycobacterial infections: acute bacterial meningitis, infective endocarditis and bacteraemia, pneumonia, and biofilm-related infections...
September 1, 2017: Journal of Infection
https://www.readbyqxmd.com/read/28869812/the-effects-of-prosthetic-foot-stiffness-on-transtibial-amputee-walking-mechanics-and-balance-control-during-turning
#18
Courtney E Shell, Ava D Segal, Glenn K Klute, Richard R Neptune
BACKGROUND: Little evidence exists regarding how prosthesis design characteristics affect performance in tasks that challenge mediolateral balance such as turning. This study assesses the influence of prosthetic foot stiffness on amputee walking mechanics and balance control during a continuous turning task. METHODS: Three-dimensional kinematic and kinetic data were collected from eight unilateral transtibial amputees as they walked overground at self-selected speed clockwise and counterclockwise around a 1-meter circle and along a straight line...
August 15, 2017: Clinical Biomechanics
https://www.readbyqxmd.com/read/28867058/complex-total-ankle-arthroplasty
#19
REVIEW
Stephen A Brigido, Scott C Carrington, Nicole M Protzman
Total ankle arthroplasty is a viable surgical technique for the treatment of end-stage degenerative joint disease. With continued advancement in prosthetic design, refined surgical techniques, and improved outcomes, the indications for total ankle replacement have expanded to include cases of increasing complexity. With meticulous preoperative planning and exacting execution, many frontal plane deformities and cases of avascular necrosis can now be successfully addressed at the time of prosthesis implantation or in a staged procedure...
October 2017: Clinics in Podiatric Medicine and Surgery
https://www.readbyqxmd.com/read/28865581/the-rotoglide%C3%A2-total-replacement-of-the-first-metatarso-phalangeal-joint-a-prospective-series-with-7-15-years-clinico-radiological-follow-up-with-survival-analysis
#20
Hakon Kofoed, Lasse Danborg, Jacob Grindsted, Søren Merser
BACKGROUND: The Rotoglide total replacement of the MTP-1 joint. 15 years survival analysis. The purpose of this prospective study was to evaluate the long-term performance clinico-radiographically of an uncemented three-component total replacement for the first metatarso-phalangeal joint (MTP-1) used for hallux rigidus (primary osteoarthritis grades 3 and 4). The follow-up was median 11.5 years (7-15). METHODS: The AOFAS forefoot score was used preoperatively and at follow-up...
September 2017: Foot and Ankle Surgery: Official Journal of the European Society of Foot and Ankle Surgeons
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