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https://www.readbyqxmd.com/read/28650940/surgical-fixation-of-periprosthetic-humerus-fractures-using-an-extension-plate-a-technical-trick
#1
Bradley Schoch, Samir Mehta, Surena Namdari
No abstract text is available yet for this article.
June 19, 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28648703/osteoclasts-in-periprosthetic-osteolysis-the-charnley-arthroplasty-revisited
#2
Sebastian S Mukka, Göran N Andersson, Kjell R Hultenby, Olof G Sköldenberg, Joakim P Nordahl, Thomas M Eisler
BACKGROUND: Periprosthetic osteolysis by polyethylene wear debris-triggered osteoclasts is viewed as the main pathophysiological pathway in aseptic loosening in total hip arthroplasty. The present aim was to study osteoclast occurrence in osteolytic lesions in early and late revisions of the Charnley low-friction torque arthroplasty (CLFA). METHODS: Biopsies of the soft interface membrane and the adjacent bone were taken from osteolytic lesions during revision of 16 loose CLFA, early (2-6 years) or late (>10 years) after primary surgery...
May 22, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28644421/antibacterial-effect-of-a-4x-cu-tio%C3%A2-coating-simulating-acute-periprosthetic-infection-an-animal-model
#3
Andreas Mauerer, Stefanie Stenglein, Stefan Schulz-Drost, Christoph Schörner, Dominic Taylor, Sebastian Krinner, Frank Heidenau, Werner Adler, Raimund Forst
The purpose of our study was to investigate the antibacterial effect of a spacer (Ti6Al4V) coated with 4x Cu-TiO₂ in an animal model simulating an acute periprosthetic infection by Staphylococcus aureus. Ti6Al4 bolts contaminated with Staphylococcus aureus were implanted into the femoral condyle of rabbits (n = 36) divided into 3 groups. After one week in group 1 (control) the bolts were removed without any replacement. In group2 Ti6Al4V bolts with a 4x Cu-TiO₂ coating and in group 3 beads of a gentamicin-PMMA chain were imbedded into the borehole...
June 23, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28641972/equal-primary-fixation-of-resurfacing-stem-but-inferior-cup-fixation%C3%A2-with-anterolateral-vs-posterior-surgical-approach-a-2-year-blinded-randomized-radiostereometric-and-dual-energy-x-ray-absorptiometry-study-of-metal-on-metal-hip-resurfacing-arthroplasty
#4
Mette H Hjorth, Nina D Lorenzen, Kjeld Søballe, Stig S Jakobsen, Maiken Stilling
BACKGROUND: The anterolateral (AntLat) surgical approach may spare the blood supply to the femoral head and improve the accuracy of cup positioning in metal-on-metal hip resurfacing arthroplasty. Thereby, potentially lessen complications such as avascular head necrosis, femoral neck narrowing and fracture, improve implant fixation, and lessen periprosthetic bone mineral density (BMD) loss. METHODS: Between November 2008 and January 2012, a randomized clinical trial was performed at Aarhus University Hospital...
May 25, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28641194/use-of-a-long-distally-fixed-intramedullary-stem-to-treat-a-periprosthetic-femoral-fracture-following-total-hip-arthroplasty-using-a-thrust-plate-hip-prosthesis-a-case-report
#5
Hiroyuki Hatanaka, Goro Motomura, Satoshi Ikemura, Kazuhiko Sonoda, Yusuke Kubo, Takeshi Utsunomiya, Takuaki Yamamoto, Yasuharu Nakashima
INTRODUCTION: The thrust plate hip prosthesis (TPP; Zimmer, Winterthur, Switzerland) is a hip prosthesis that is no longer in production. Few reports have focused on periprosthetic fractures following total hip arthroplasty (THA) with the use of a TPP. PRESENTATION OF CASE: We report a 57-year-old woman with a periprosthetic femoral fracture 13 years after THA with the use of a TPP. A plain radiograph showed a displaced subtrochanteric fracture of the right femur just below the distal tip of the lateral plate without implant loosening...
June 13, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28639846/antibiotic-prophylaxis-is-not-indicated-prior-to-dental-procedures-for-prevention-of-periprosthetic-joint-infections
#6
Willem M H Rademacher, Geert H I M Walenkamp, Dirk Jan F Moojen, Johannes G E Hendriks, Theo A Goedendorp, Frederik R Rozema
Background and purpose - To minimize the risk of hematogenous periprosthetic joint infection (HPJI), international and Dutch guidelines recommended antibiotic prophylaxis prior to dental procedures. Unclear definitions and contradictory recommendations in these guidelines have led to unnecessary antibiotic prescriptions. To formulate new guidelines, a joint committee of the Dutch Orthopaedic and Dental Societies conducted a systematic literature review to answer the following question: can antibiotic prophylaxis be recommended for patients (with joint prostheses) undergoing dental procedures in order to prevent dental HPJI? Methods - The Medline, Embase, and Cochrane databases were searched for randomized controlled trials (RCTs), reviews, and observational studies up to July 2015...
June 22, 2017: Acta Orthopaedica
https://www.readbyqxmd.com/read/28637910/excellent-diagnostic-characteristics-for-ultra-fast-gene-profiling-of-defa1-il1b-ltf-in-the-detection-of-prosthetic-joint-infections
#7
Regina Fillerova, Jiri Gallo, Martin Radvansky, Veronika Kraiczova, Milos Kudelka, Eva Kriegova
The timely and exact diagnosis of prosthetic joint infection (PJI) is crucial for surgical decision-making. Intra-operatively, delivery of the result within an hour is required. Alpha-defensin lateral immunoassay of joint fluid (JF) is precise in the intra-operative exclusion of PJI, however in patients with a limited amount of JF and/or when the JF is bloody this test is unhelpful. Important information is hidden in the periprosthetic tissues that could much better reflect the current status of implant pathology...
June 21, 2017: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/28637383/inflammation-induced-osteogenesis-in-a-rabbit-tibia-model
#8
Michiel Croes, Willemijn Boot, Moyo C Kruyt, Harrie Weinans, Behdad Pouran, Yvonne van der Helm, Debby Gawlitta, Charles Vogely, Jacqueline Alblas, Wouter Dhert, F Cumhur Oner
Pathologic conditions associated with bone formation can serve as models to identify bone-promoting mediators. The inflammatory response to bacterial infections generally leads to osteolysis and impaired bone healing, but paradoxically, it can also have pro-osteogenic effects. As a potential model to investigate pro-osteogenic stimuli, this study characterizes the bone formation in an established rabbit tibia model of periprosthetic infection. Our hypothesis was that the infection with Staphylococcus aureus (S...
June 22, 2017: Tissue Engineering. Part C, Methods
https://www.readbyqxmd.com/read/28626592/diffuse-b-cell-non-hodgkin-s-lymphoma-presenting-atypically-as-periprosthetic-joint-infection-in-a-total-hip-replacement
#9
Aysha Rajeev, Angela Ralte, Nameer Choudhry, Faizan Jabbar, Paul Banaszkiewicz
The occurrence of extranodal primary B cell non-Hodgkin's lymphoma is rare. Total hip replacement is one of the most common orthopaedic procedures performed. There has been an increased incidence of primary lymphomas involving periprosthetic sites. Chronic inflammation due to metal debris arising from the prosthetic implants has been evidenced as one of the causes for the development of soft tissue lymphomas albeit rarely. We describe a case report of a 77-year-old patient who had underwent a cemented total hip replacement in the past who further developed large B cell primary non-Hodgkin's lymphoma...
2017: Case Reports in Orthopedics
https://www.readbyqxmd.com/read/28625797/breast-implant-associated-anaplastic-large-cell-lymphoma-from-diagnosis-to-treatment
#10
REVIEW
I Kaartinen, K Sunela, J Alanko, K Hukkinen, M-L Karjalainen-Lindsberg, C Svarvar
Breast lymphomas comprise a rare group of malignant breast tumors. Among these, a new entity has emerged as a potentially under-diagnosed disease. Breast implant-associated anaplastic large cell lymphoma (BI-ALCL) most often manifests as a late periprosthetic effusion between 1 and 10 years after the implantation of silicone or saline-filled breast prostheses. BI-ALCL is an anaplastic lymphoma kinase-negative T-cell lymphoma that has a distinctively different clinical course than other breast lymphomas or ALCLs...
June 7, 2017: European Journal of Surgical Oncology
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
#11
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/28622117/periprosthetic-femoral-fractures-in-the-emergency-department-what-the-orthopedic-surgeon-wants-to-know
#12
Richard A Marshall, Michael J Weaver, Aaron Sodickson, Bharti Khurana
Femoral fracture in the setting of a hip arthroplasty is an increasingly common complication encountered in the emergency department (ED). Diagnosis and management of periprosthetic fractures are complicated, and orthopedic surgeons rely on imaging findings to guide the appropriate management approach to the injury. Delay in identification and appropriate definitive management of periprosthetic fractures is associated with high morbidity and mortality. At present, the Vancouver classification system for periprosthetic hip fractures is the most common classification system used by orthopedic surgeons...
June 16, 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/28619483/characterizing-infections-in-prosthetic-breast-reconstruction-a-validity-assessment-of-national-health-databases
#13
Merisa L Piper, Lauren O Roussel, Peter F Koltz, Frederick Wang, Kyra Singh, Robin Chin, Hani Sbitany, Howard N Langstein
INTRODUCTION: Current guidelines in the United States require reporting only the 30-day postoperative outcomes to standardized databases, including the National Surgical Quality Improvement Program (NSQIP). Thus, many breast implant-related complications go unreported in standard databases. We sought to characterize late periprosthetic infections following implant-based breast reconstruction. METHODS: We conducted a retrospective analysis of all women who underwent expander/implant reconstruction from 2005 to 2014 at two institutions...
May 18, 2017: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://www.readbyqxmd.com/read/28611966/periprostetic-joint-infection-caused-by-salmonella-case-reports-of-two-azathioprine-and-prednisolone-induced-immunocompromised-patients
#14
Mehmet Ekinci, Serkan Bayram, Turgut Akgül, Mehmet Ersin, Önder Yazicioğlu
Periprosthetic joint infection (PJI) due to Salmonella is rare. It frequently occurs patients receiving immunosuppressive medicine. We describe two periprosthetic Salmonella infection of two immunocompromised patients. Both of patients were receiving azathioprine and prednisolone therapy. First patient presented six years after total hip arthroplasty with a huge abscess on her right thigh that was reached to femoral component through the lytic area of lateral femur. Second patient presented with drainage from his hip and he had undergone two-step revision surgery for PJI 3 months ago...
June 2017: Hip & Pelvis
https://www.readbyqxmd.com/read/28610654/periprosthetic-infection-in-joint-replacement
#15
Christina Otto-Lambertz, Ayla Yagdiran, Franziska Wallscheid, Peer Eysel, Norma Jung
BACKGROUND: The volume of joint replacement surgery has risen steadily in recent years, because the population is aging and increasingly wishes to reserve a high functional status onward into old age. Infection is among the more common complications of joint replacement surgery, arising in 0.2% to 2% of patients, or as many as 9% in special situations such as the implantation of megaprostheses. The associated morbidity and mortality are high. It is thus very important to minimize risk factors for infection and to optimize the relevant diagnostic and therapeutic strategies...
May 26, 2017: Deutsches Ärzteblatt International
https://www.readbyqxmd.com/read/28608224/concordance-between-the-old-and-new-diagnostic-criteria-for-periprosthetic-joint-infection
#16
Meeri Honkanen, Esa Jämsen, Matti Karppelin, Reetta Huttunen, Outi Lyytikäinen, Jaana Syrjänen
PURPOSE: There is no uniform definition for periprosthetic joint infection (PJI). New diagnostic criteria were formulated in an international consensus meeting in 2013 and adopted by Centers for Disease Control (CDC) in 2016. The purpose of this study is to compare the new diagnostic criteria with the old CDC criteria from the year 1992. METHODS: Patients, who had been treated for PJI of hip or knee from 2002 to 2014, in a tertiary care hospital, were identified...
June 12, 2017: Infection
https://www.readbyqxmd.com/read/28607784/use-of-nonvascularized-autologous-fibular-strut-graft-in-the-treatment-of-major-bone-defect-after-periprosthetic-knee-fracture
#17
Vincenzo Giordano, Bruno Parilha Coutinho, Mateus Kenji Miyahira, Felipe Serrão Mendes de Souza, Ney Pecegueiro do Amaral
We present the case of a patient who suffered a comminuted supracondylar periprosthetic femur fracture. The patient was an 86-year-old lady who suffered a minor fall at home and presented at our hospital with a right comminuted distal femur fracture around a total knee arthroplasty. The patient was submitted to a cruciate-sacrificing total knee replacement 6 years before at the same institution. Despite severe metaphyseal fragmentation and short distal fragment, the prosthesis was stable; thus, open fracture reduction and stabilization with internal fixation were performed...
2017: Case Reports in Orthopedics
https://www.readbyqxmd.com/read/28606121/the-risk-factors-of-failed-reimplantation-arthroplasty-for-periprosthetic-hip-infection
#18
Shun-Wun Jhan, Yu-Der Lu, Mel S Lee, Chen-Hsiang Lee, Jun-Wen Wang, Feng-Chih Kuo
BACKGROUND: Two-stage reimplantation arthroplasty is one of the standard treatments for chronic periprosthetic joint infection (PJI). Scanty data exist regarding the risk factors for failure after two-stage reimplantation for periprosthetic hip infection. The purpose of this study was to investigate and identify the risk factors associated with failure after two-stage reimplantation hip arthroplasty. METHODS: Sixty-two patients with hip PJI treated with a two-stage reimplantation protocol at our institution from 2005 to 2012 were reviewed...
June 12, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28602532/what-is-the-difference-between-modular-and-nonmodular-tapered-fluted-titanium-stems-in-revision-total-hip-arthroplasty
#19
Yong Huang, Yixin Zhou, Hongyi Shao, Jianming Gu, Hao Tang, Qiheng Tang
BACKGROUND: Both modular and nonmodular tapered fluted titanium stems are used in revision total hip arthroplasty (THA), with follow-up showing good results for both stems. We aimed to determine whether there were any differences in clinical outcomes, survivorship, or frequency of complications. METHODS: A retrospective review of 160 consecutive THAs (153 patients) revised with a tapered fluted modular titanium stem from 2002 to 2014 and 129 consecutive THAs (128 patients) revised with a tapered fluted nonmodular titanium stem between 2008 and 2014 was conducted...
May 18, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28599634/the-mayo-conservative-hip-complication-analysis-and-management-of-the-first-41-cases-performed-at-a-university-level-1-department
#20
Jörg Arnholdt, Fabian Gilbert, Marc Blank, Jannis Papazoglou, Maximilian Rudert, Ulrich Nöth, Andre F Steinert
BACKGROUND: To prevent bone loss in hip arthroplasty, several short stem systems have been developed, including the Mayo conservative hip system. While there is a plethora of data confirming inherent advantages of these systems, only little is known about potential complications, especially when surgeons start to use these systems. METHODS: In this study, we present a retrospective analysis of the patients' outcome, complications and the complication management of the first 41 Mayo conservative hips performed in 37 patients...
June 9, 2017: BMC Musculoskeletal Disorders
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