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https://www.readbyqxmd.com/read/28096320/streptococcus-gordonii-a-rare-cause-of-prosthetic-joint-infection-in-a-total-hip-replacement
#1
Christopher Fenelon, John G Galbraith, David M Dalton, Eric Masterson
A 69-year-old female with a history of bilateral total hip replacements presented with rigors, fever and sudden onset left groin pain. A pelvic X-ray showed well-fixed implants. Blood results revealed a leucocytosis (white cell count 22.3 × 10(9) l(-1)) and elevated C-reactive protein (211 mg/l). Ultrasound-guided aspiration of her left hip grew Streptococcus gordonii No source infection could be identified apart from a new chronic sinus infection in a left upper incisor. Following a discussion with the patient a 6-week course of intravenous ceftriaxone was started and was successful in normalizing her inflammatory markers...
January 16, 2017: Journal of Surgical Case Reports
https://www.readbyqxmd.com/read/28094191/functional-results-of-bilateral-reverse-total-shoulder-arthroplasty
#2
Chris R Mellano, Robert Thorsness, Peter N Chalmers, Terrence F Feldheim, Patrick O'Donnell, Brian J Cole, Nikhil N Verma, Anthony A Romeo, Gregory P Nicholson
BACKGROUND: The purpose of this study was to analyze a population of patients with bilateral reverse total shoulder arthroplasty (RTSA) to evaluate their ability to perform activities of daily living and personal hygiene tasks. METHODS: At a minimum 2-year follow-up, we retrospectively reviewed 50 patients (100 shoulders) with a mean age of 72 years who underwent staged bilateral RTSA. The average follow-up period was 61 months (range, 24-121 months), with a minimum 2-year follow-up after the second surgical procedure...
January 13, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28091447/prosthetic-rehabilitation-of-a-patient-with-a-resected-right-temporomandibular-joint
#3
M Dincel, H Kocaağaoğlu, H Ö Gümüş, H Albayrak
This case report presents the prosthodontic rehabilitation of a patient with a resected right mandible, caused by an accident. Right condyle, ramus, and the posterior part of ramus were affected by the accident. These structures were resected, and the mandible was positioned toward the surgical area and a facial asymmetry was occurred. The patient was treated with a bar-retained maxillar denture with a guide ramp and an implant-supported fixed mandibular prosthesis.
February 2017: Nigerian Journal of Clinical Practice
https://www.readbyqxmd.com/read/28089259/prosthetic-replacement-for-coronoid-deficiency-report-of-three-cases
#4
Enrico Bellato, Shawn W O'Driscoll
BACKGROUND: Persistent elbow instability associated with coronoid deficiency is a difficult condition to treat. Several surgical techniques have been described for coronoid reconstruction, but the resulting outcomes have been unpredictable. We hypothesized that a coronoid prosthesis could restore elbow stability. METHODS: A nonanatomically shaped metallic coronoid prosthesis was custom designed for each of 3 patients. Each had a chronic fracture-subluxation with persistent instability, deficiencies of the coronoid, and compromise of the radial head...
January 11, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28087166/future-surgery-after-revision-shoulder-arthroplasty-the-impact-of-unexpected-positive-cultures
#5
Eric M Padegimas, Cassandra Lawrence, Alexa C Narzikul, Benjamin M Zmistowski, Joseph A Abboud, Gerald R Williams, Surena Namdari
BACKGROUND: The clinical implications and treatment of unexpected positive cultures (UPCs) in revision shoulder arthroplasty are not well defined. The purpose of this study was to describe results of patients with and without UPCs after revision shoulder arthroplasty. METHODS: A single institutional database was used to retrospectively identify all revision shoulder arthroplasties performed between January 1, 2011, and December 31, 2013. Patients with preoperative suspicion of infection were excluded...
January 10, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28074774/the-dair-debridement-antibiotics-and-implant-retention-procedure-for-infected-total-knee-replacement-a-literature-review
#6
Sultan Naseer Qasim, Andrew Swann, Robert Ashford
Prosthetic joint infection (PJI) is a devastating complication in total knee arthroplasty (TKA) and third most common cause of revision of TKA with significant morbidity and surgical challenges. Treatment options include non-operative measures with long term antibiotic suppression, debridement and implant retention (DAIR), one- or two-stage revision arthroplasty, arthrodesis and amputation. Implant retention without infection is ideal and DAIR has been reported to have variable success rates depending on patient factors, duration of infection, infecting micro-organisms, choice of procedure, single or multiple debridement procedures, arthroscopic or open, antibiotic choice and duration of antibiotic use...
2017: SICOT-J
https://www.readbyqxmd.com/read/28066531/radiographic-assessment-of-extremity-osseointegration-for-the-amputee
#7
Munjed Al Muderis, Belinda A Bosley, Anthony V Florschutz, Paul A Lunseth, Tyler D Klenow, M Jason Highsmith, Jason T Kahle
Osseointegration (OI) is a bone-anchoring procedure that allows the direct skeletal attachment of a prosthesis through the use of an implant. Transcutaneous OI implants are similar to subcutaneous intramedullary joint implants with some exceptions. Particularly, OI implants are inserted at the distal aspect of the femur, while intramedullary implants are inserted at the proximal aspect of the femur. In this report, an additional adaptation of the radiographic zonal analysis used for intramedullary implants, known as Gruen zones, is introduced to include OI implants of extremity prosthetics...
September 2016: Technology and Innovation
https://www.readbyqxmd.com/read/28059775/design-and-energetic-evaluation-of-a-prosthetic-knee-joint-actuator-with-a-lockable-parallel-spring
#8
Joost Geeroms, Louis Flynn, Rene Enrique Jimenez Fabian, Bram Vanderborght, Dirk Lefeber
There are disadvantages to existing damping knee prostheses which cause an asymmetric gait and higher metabolic cost during level walking compared to non-amputees. Most existing active knee prostheses which could benefit the amputees use a significant amount of energy and require a considerable motor. In this work, a novel semi-active actuator with a lockable parallel spring for a prosthetic knee joint has been developed and tested. This actuator is able to provide an approximation of the behavior of a healthy knee during most of the gait cycle of level walking...
January 6, 2017: Bioinspiration & Biomimetics
https://www.readbyqxmd.com/read/28054327/obesity-epidemic-is-its-impact-on-total-joint-arthroplasty-underestimated-an-analysis-of-national-trends
#9
Jaiben George, Alison K Klika, Suparna M Navale, Jared M Newman, Wael K Barsoum, Carlos A Higuera
BACKGROUND: Obesity is a well-established risk factor for total joint arthroplasty (TJA) and a number of complications including prosthetic joint infection. The annual changes in the prevalence of obesity among primary, revision, and infected TJA has not been studied at a national level. Given the higher costs of complications of TJA, it is important to understand the association of obesity with the annual trends of revision and infected TJA. QUESTIONS/PURPOSES: (1) Is the prevalence of obesity increasing among patients undergoing THA/TKA? (2) Is the prevalence of obesity increasing among patients undergoing revision THA/TKA? (3) Is the prevalence of obesity increasing among patients with infected THA/TKA? METHODS: Annual volumes of primary, revision, and infected THA and TKA from 1998 to 2011 were obtained from the Nationwide Inpatient Sample...
January 4, 2017: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/28052811/short-term-outcomes-of-mandibular-reconstruction-in-oncological-patients-using-a-cad-cam-prosthesis-including-a-condyle-supporting-a-fibular-free-flap
#10
Achille Tarsitano, Salvatore Battaglia, Valerio Ramieri, Piero Cascone, Leonardo Ciocca, Roberto Scotti, Claudio Marchetti
PURPOSE: Condylar reconstruction and replacement using alloplastic materials currently attracts much surgical interest. The major challenge is to functionally reconstruct the anatomical region; this is crucial in terms of correct mandibular function. The goal of the present study was to evaluate the clinical outcomes of and complications experienced by a series of oncological patients who underwent computer-aided design/computer-aided manufacturing (CAD/CAM) condylar reconstruction following resection-disarticulation of the mandible...
December 16, 2016: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/28050350/diffuse-skin-hyperpigmentation-associated-with-chronic-minocycline-use-in-a-patient-with-prosthetic-joint-infection
#11
Hadi Berbari, Elie F Berbari, Irene G Sia
Cutaneous hyperpigmentation is a recognized adverse effect of chronic minocycline use occurring in up to 50% of patients. In this report we present a rare case of extensive skin hyperpigmentation involving both lower extremities in a patient receiving long term minocycline. The patient was receiving minocycline as suppression for chronic prosthetic joint infection. Risk factors associated with minocycline-induced cutaneous pigmentation (MICH) will be reviewed.
2017: IDCases
https://www.readbyqxmd.com/read/28046049/health-care-needs-and-support-for-patients-undergoing-treatment-for-prosthetic-joint-infection-following-hip-or-knee-arthroplasty-a-systematic-review
#12
Setor K Kunutsor, Andrew D Beswick, Tim J Peters, Rachael Gooberman-Hill, Michael R Whitehouse, Ashley W Blom, Andrew J Moore
BACKGROUND: Hip and knee arthroplasty are common interventions for the treatment of joint conditions, most notably osteoarthritis. Although many patients benefit from surgery, approximately 1% of patients develop infection afterwards known as deep prosthetic joint infection (PJI), which often requires further major surgery. OBJECTIVE: To assess support needs of patients undergoing treatment for PJI following hip or knee arthroplasty and to identify and evaluate what interventions are routinely offered to support such patients...
2017: PloS One
https://www.readbyqxmd.com/read/28032700/management-of-acute-hematogenous-infection-following-total-knee-arthroplasty-a-case-series-of-11-patients
#13
Rui He, Liu Yang, Lin Guo, Hao Chen, Ying Zhang, Dian-Ming Jiang
OBJECTIVE: Acute hematogenous infection is a devastating complication that can occur after total knee arthroplasty (TKA). The best strategies for management of this infection remain controversial. Two-stage revision has been well described as the gold standard for the management of chronic late infections. However, there is a paucity of information presently available on the management and outcomes of patients treated for acute hematogenous infections. The purpose of the present study was to report the outcome of acute hematogenous infections following TKA with the treatment of irrigation, debridement, and retention of the prosthetic components...
November 2016: Orthopaedic Surgery
https://www.readbyqxmd.com/read/28029356/comparison-of-patient-reported-outcomes-after-traumatic-upper-extremity-amputation-replantation-versus-prosthetic-rehabilitation
#14
Mitchell A Pet, Shane D Morrison, Jacob S Mack, Erika D Sears, Thomas Wright, Alisha D Lussiez, Kenneth R Means, James P Higgins, Jason H Ko, Paul S Cederna, Theodore A Kung
BACKGROUND: After major upper extremity traumatic amputation, replantation is attempted based upon the assumption that outcomes for a replanted limb exceed those for revision amputation with prosthetic rehabilitation. While some reports have examined functional differences between these patients, it is increasingly apparent that patient perceptions are also critical determinants of success. Currently, little patient-reported outcomes data exists to support surgical decision-making in the setting of major upper extremity traumatic amputation...
October 19, 2016: Injury
https://www.readbyqxmd.com/read/28027814/outcome-of-total-hip-and-total-knee-revision-arthroplasty-with-minor-infection-criteria-a-retrospective-matched-pair-analysis
#15
Kevin Staats, Paul Kolbitsch, Irene K Sigmund, Gerhard M Hobusch, Johannes Holinka, Reinhard Windhager
BACKGROUND: Although diagnostic modalities for the detection of periprosthetic joint infection have improved, some infectious revision cases may still be diagnosed as aseptic complications. We raised the question whether patients with positive Musculoskeletal Infection Society minor infection criteria differ in their outcome parameters (revision-free survival, revision rate) when compared to patients with "true" aseptic complications. Additionally, we asked whether the indication for revision surgery (eg, loosening) might have an influence on possible outcome discrepancies...
November 19, 2016: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28018092/prosthetic-hip-infection-with-edwardsiella-tarda-in-sickle-cell-beta-thalassemia-disease-a-case-report
#16
David B Frumberg, Samantha E Epstein, Julio J Jauregui, Robert Pivec, Aditya V Maheshwari
Periprosthetic infection following total hip arthroplasty is a devastating complication that has been reported to occur in up to 1.6% of all primary total hip arthroplasties. We report a previously unrecognized gram-negative bacillus as the infecting agent in a patient with bilateral total hip arthroplasties for stage IV osteonecrosis. A 22-year-old male with combined sickle cell disease and beta thalassemia with a prior history of unknown hip surgeries and treatment for distal tibial osteomyelitis in Africa developed a periprosthetic joint infection; intra-operative cultures confirmed the infecting organism to be Edwardsiella tarda which was sensitive to late-generation cephalosporins and vancomycin...
October 2016: Journal of Clinical Orthopaedics and Trauma
https://www.readbyqxmd.com/read/28017792/vislisi-trial-a-prospective-clinical-study-allowing-identification-of-a-new-metalloprotease-and-putative-virulence-factor-from-staphylococcus-lugdunensis
#17
Xavier Argemi, Gilles Prévost, Philippe Riegel, Daniel Keller, Nicolas Meyer, Marion Baldeyrou, Nawal Douiri, Nicolas Lefebvre, Kilifa Meghit, Cécile Ronde Oustau, Daniel Christmann, Cianférani Sarah, Jean Marc Strub, Yves Hansmann
OBJECTIVE: Staphylococcus lugdunensis is coagulase-negative Staphylococcus that displays an unusually highvirulence rate close to that of S. aureus. It also shares phenotypic properties with S. aureus and several studies found putative virulence factors. Objective of the study was to describe the clinical manifestations of S. lugdunensis infections and investigate putative virulence factors. METHOD: We conducted a prospective study from November 2013 to March 2016 at the University Hospital of Strasbourg...
December 22, 2016: Clinical Microbiology and Infection
https://www.readbyqxmd.com/read/28011604/elimination-of-screening-urine-cultures-prior-to-elective-joint-arthroplasty
#18
Michael J Lamb, Laura Baillie, Dariusz Pajak, Jan Flynn, Vikas Bansal, Andrew Simor, Mary Vearncombe, Sandra A N Walker, Susan Clark, Jeffrey Gollish, Jerome A Leis
Discontinuing routine processing of screening urine cultures prior to elective joint arthroplasty resulted in substantial reduction in urine cultures ordered and antimicrobial prescriptions for asymptomatic bacteriuria, without any significant impact on incidence of prosthetic joint infection. This simple change would be scalable across institutions with potential for significant healthcare savings.
December 22, 2016: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28008788/instantaneous-stiffness-and-hysteresis-of-dynamic-elastic-response-prosthetic-feet
#19
Christina M Webber, Kenton Kaufman
BACKGROUND: Dynamic elastic response prosthetic feet are designed to mimic the functional characteristics of the native foot/ankle joint. Numerous designs of dynamic elastic response feet exist which make the prescription process difficult, especially because of the lack of empirical evidence describing the objective performance characteristics of the feet. OBJECTIVES: To quantify the mechanical properties of available dynamic elastic response prosthetic feet, specifically the stiffness and hysteresis...
December 1, 2016: Prosthetics and Orthotics International
https://www.readbyqxmd.com/read/28005295/antibiotics-in-endodontics-a-review
#20
REVIEW
J J Segura-Egea, K Gould, B Hakan Şen, P Jonasson, E Cotti, A Mazzoni, H Sunay, L Tjäderhane, P M H Dummer
The overuse of antibiotics and the emergence of antibiotic-resistant bacterial strains is a global concern. This concern is also of importance in terms of the oral microbiota and the use of antibiotics to deal with oral and dental infections. The aim of this paper is to review the current literature on the indications and use of antibiotics and to make recommendations for their prescription in endodontic patients. Odontogenic infections, including endodontic infections, are polymicrobial, and in most cases, the prescription of antibiotics is empirical...
December 22, 2016: International Endodontic Journal
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