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https://www.readbyqxmd.com/read/28727658/white-cell-and-marrow-imaging-subtracting-uncertainty
#1
Chelsey Turner, Alison A Bolster, Carolyn L Paterson, Hugh J Wallace
A subtraction method for assessments of dual-isotope indium-111 (In)-labelled white cell and Tc-nanocoll was proposed, and following a pilot study was introduced in routine service to improve the confidence of reporters. This technical note describes a simple technique to produce subtraction images from routinely acquired images to investigate and exclude post joint replacement infection. Labelled leucocytes (with In) show areas of increased white cell accumulation, whereas Tc-nanocoll images show bone marrow distribution...
July 19, 2017: Nuclear Medicine Communications
https://www.readbyqxmd.com/read/28725121/a-comparison-of-the-omega-and-posterior-approaches-on-patient-reported-function-and-radiological-outcomes-following-total-hip-replacement
#2
James R Berstock, Ashley W Blom, Michael R Whitehouse
BACKGROUND: The omega approach represents a modification of the lateral approach to the hip for joint replacement. It was developed to reduce the potential for gluteus muscle dysfunction and thereby improve functional outcome following hip replacement. METHODS: A cohort of 415 consecutive hip replacements receiving the same type of cemented femoral component were followed up at a mean of three years postoperatively and invited to complete functional outcome and satisfaction scores...
September 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/28719557/functional-gain-and-pain-relief-after-total-joint-replacement-according-to-obesity-status
#3
Wenjun Li, David C Ayers, Courtland G Lewis, Thomas R Bowen, Jeroan J Allison, Patricia D Franklin
BACKGROUND: Obesity has been associated with lower function and more pain before and after total hip or knee replacement (THR or TKR). We examined the changes between preoperative and postoperative function and pain in a large representative U.S. cohort to determine if there was a relationship to obesity status. METHODS: Preoperative and 6-month postoperative data on function (Short Form-36 Physical Component Summary [PCS] score), joint pain (Hip disability and Osteoarthritis Outcome Score and Knee injury and Osteoarthritis Outcome Score), and body mass index (BMI) were collected from a national sample of 2,040 patients who had undergone THR and 2,964 who had undergone TKR from May 2011 to March 2013...
July 19, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28715928/lack-of-evidence-the-anti-stepwise-introduction-of-metal-on-metal-hip-replacements
#4
Aleksi Reito, Lari Lehtovirta, Olli Lainiala, Keijo Mäkelä, Antti Eskelinen
Background and purpose - Orthopedics and especially joint replacement surgery have had more than their fair share of unsuccessful innovations that have violated widely endorsed principles for the introduction of new surgical innovations. We aimed to investigate (1) the trends in the use of the Birmingham Hip Resurfacing (BHR), the ASR hip resurfacing (ASR HRA) and the ASR XL total hip replacement (ASR XL THR) system with very different market approval processes and (2) whether their use was corroborated by clinical trials published in the peer-reviewed literature...
July 18, 2017: Acta Orthopaedica
https://www.readbyqxmd.com/read/28715055/risk-of-surgical-site-infections-following-hip-and-knee-arthroplasty-results-of-the-ischia-gisio-study
#5
A Agodi, F Auxilia, M Barchitta, M L Cristina, D D'Alessandro, I Mura, M Nobile, C Pasquarella, Gisio Gisio-SItI
BACKGROUND: Surgical Site Infection (SSI) is one of the major complications following insertion of hip or knee prosthesis. The aim of the present study was to describe rates of SSIs and associated risk factors during hip and knee prosthesis procedures in Italian hospitals. METHODS: Italian hospitals were invited to join the ISChIA (Surgical Site Infections in Arthroplasty Surgery) project and participated in the study on a voluntary basis. SSI surveillance was performed according to the Hospitals in Europe Link for Infection Control through Surveillance (HELICS) -SSI protocol...
September 2017: Annali di Igiene: Medicina Preventiva e di Comunità
https://www.readbyqxmd.com/read/28713524/forced-air-warming-discontinued-periprosthetic-joint-infection-rates-drop
#6
REVIEW
Scott D Augustine
Several studies have shown that the waste heat from forced-air warming (FAW) escapes near the floor and warms the contaminated air resident near the floor. The waste heat then forms into convection currents that rise up and contaminate the sterile field above the surgical table. It has been shown that a single airborne bacterium can cause a periprosthetic joint infection (PJI) following joint replacement surgery. We retrospectively compared PJI rates during a period of FAW to a period of air-free conductive fabric electric warming (CFW) at three hospitals...
June 23, 2017: Orthopedic Reviews
https://www.readbyqxmd.com/read/28713108/current-prescribing-practices-for-antibiotic-prophylaxis-a-survey-of-dental-practitioners
#7
Leah S Spittle, Kathleen B Muzzin, Patricia R Campbell, Janice P DeWald, Francisco Rivera-Hidalgo
AIM: Antibiotic prophylaxis guidelines have been developed for health care and dentistry. The authors examined whether dentists were following the 2007 American Heart Association (AHA) and the 2012 American Association of Orthopaedic Surgeons (AAOS) recommendations for antibiotic prophylaxis. MATERIALS AND METHODS: A survey was sent to 600 dentists in the south-central region of the United States. The survey examined dentists' prescribing practices for patients with cardiac and prosthetic joint replacements, antibiotic regimen prescribed, confidence in their prescription decisions, and dentistry's contribution to antibiotic resistance...
July 1, 2017: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/28713102/-contemporary-use-of-radiosynoviorthesis-in-chronic-polyarthrtitis
#8
Robert Zwolak, Maria Majdan
Radiosynoviorthesis is used for local treatment of recurrent joint effusions, leads to necrosis of inflamed synovium due to beta radiation energy served after intraarticular radionuclide administration. The aim of the therapy is destruction and fibrosis of abnormal, hypertrophic synovial membrane and then full recovery of its normal function after local corticosteroids and systemic modifying drugs failure. Radiosynoviorthesis is effective in different type of peripheral arthritis like rheumatoid arthritis, inflammatory spondyloarthtropaties, gout, chondrocalcinosis, pigmented villo-nodular synovitis, recurrent knee effusion after total joint replacement, idiopathic knee joint effusion, osteoarthritis and secondary prevention of intraarticular bleeding in haemophilia...
2017: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/28711310/acquired-heterotopic-ossification-of-the-temporomandibular-joint
#9
REVIEW
L G Mercuri, B M Saltzman
Although the risk factors and diagnosis of heterotopic ossification (HO) are discussed in the orthopedics literature, the etiology of HO, as well as its prevention and management, remain theoretical. Furthermore, there is a lack of information in the literature regarding HO in temporomandibular joint replacement (TMJR). This article provides a qualitative review of information relative to the etiology, diagnosis, and management of HO to inform and encourage further investigation in TMJR. The orthopedic HO literature considered for this qualitative review was drawn from a comprehensive examination of the subject published previously by one of the authors...
July 12, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28711272/the-infection-of-mycoplasma-hominis-after-total-knee-replacement-case-report-and-literature-review
#10
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/28711157/ma%C3%A3-a-trapeziometacarpal-joint-arthroplasty-clinical%C3%A2-and-radiological-outcomes-of-80-patients-with%C3%A2-more-than-6-years-of-follow-up
#11
Adriano Toffoli, Jacques Teissier
PURPOSE: Trapeziometacarpal (TMC) total joint replacement is increasingly being performed in Europe. MAÏA TMC total joint arthroplasty is a modular uncemented ball-and-socket hydroxyapatite-coated implant. This study assessed the midterm clinical and radiological results of the MAÏA TMC prosthesis. METHODS: This single-center retrospective study involved 80 patients who underwent 96 MAÏA TMC prosthesis implantations from February 2006 to April 2009, and who had a minimum of 5 years' follow-up...
July 13, 2017: Journal of Hand Surgery
https://www.readbyqxmd.com/read/28708567/%C3%AE-defensin-point-of-care-test-for-diagnosis-of-prosthetic-joint-infections-neglected-role-of-laboratory-and-clinical-pathologists
#12
REVIEW
Lorenzo Drago, Marco Toscano, Lorenza Tacchini, Giuseppe Banfi
Periprosthetic joint infection (PJI) is a serious complication that may occur after native joint replacement leading to a severe health and economic burden. Currently, due to several confounding factors, PJI is difficult to diagnose. Today, a multidisciplinary approach is indispensable to correctly define a periprosthetic joint infection; indeed, tissue histology, microbiology cultures and clinical findings are used together to achieve this goal. Analysis of α-defensin is commonly used for PJI diagnosis, as it allows the rapid detection of α-defensin present in the synovial fluid following a microbial infection...
July 14, 2017: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/28707831/-prevention-of-perioperative-infections-in-orthopaedic-surgery-role-of-general-practitioner
#13
Olivier Borens, Éric Thein, Christophe Tissot, Anne-Sophie Brunel
Total joint replacement comes with a high success rate and has been shown to have a very positive impact on our patients suffering from arthritis. Against all efforts about 2 % of our patients will suffer an implant related infection. As the treatment of infected arthroplasties is difficult and expensive the knowledge of risk factors is becoming more and more important for the treatment team in order to improve our preventive measures. Prevention must be performed pre-, intra- and postoperatively. Preoperative optimization of blood sugar levels, nutritional status and correction of general anaemia for example are paramount and the general practitioner as well as the surgeon should be aware of these and other modifiable risk factors in order to operate on the patient in the best possible conditions...
December 14, 2016: Revue Médicale Suisse
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
#14
Alf Inge Hellevik, Lars Nordsletten, Marianne Bakke Johnsen, Anne Marie Fenstad, Ove Furnes, Kjersti Storheim, John Anker Zwart, Gunnar Flugsrud, Arnulf Langhammer
OBJECTIVE: To investigate whether parity, age at menarche, menopausal status, age at menopause, use of oral contraceptives 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 in order to identify TKR or THR due to primary osteoarthritis...
July 10, 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/28705547/closed-incision-negative-pressure-therapy-effects-on-postoperative-infection-and-surgical-site-complication-after-total-hip-and-knee-arthroplasty
#15
Roberta E Redfern, Claire Cameron-Ruetz, Simone K O'Drobinak, John T Chen, Karl J Beer
BACKGROUND: The aim of this study is to determine whether negative pressure wound therapy, used prophylactically in clean surgical incisions, reduces surgical site infection, hematoma, and seroma after total joint replacement. METHODS: A single center, open-label study with a prospective cohort of patients undergoing primary total knee arthroplasty or total hip arthroplasty treated with closed incision negative pressure therapy (ciNPT) of clean surgical wounds was conducted...
June 17, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28704193/rehabilitation-of-patients-with-hip-joint-arthroplasty-late-post-surgery-period-hospital-rehabilitation
#16
Maya S Krastanova, Elena M Ilieva, Danelina E Vacheva
BACKGROUND: Hip joint replacement (endoprosthesis, alloplasty) has become one of the most frequent surgery interventions of the 20th century. AIM: To conduct rehabilitation therapy in the late post-surgery period of hospital rehabilitation (45 days after surgery), to track patients' progress and measure the results. MATERIALS AND METHODS: One hundred and fifty-two patients with hip joint endoprosthesis were included in the study. All underwent surgery and rehabilitation at the Department of Clinical Rehabilitation of the Physical and Rehabilitation Medicine Clinic at Doctor G...
June 1, 2017: Folia Medica
https://www.readbyqxmd.com/read/28695187/infection-burden-in-total-hip-and-knee-arthroplasties-an-international-registry-based-perspective
#17
Bryan D Springer, September Cahue, Caryn D Etkin, David G Lewallen, Brian J McGrory
BACKGROUND: Infection remains a leading cause of failure of hip and knee replacements. Infection burden is the ratio of implants revised for infection to the total number of arthroplasties in a specific period, measuring the steady state of infection in a registry. We hypothesized infection burden would be similar among arthroplasty registries. METHODS: We evaluated publicly reported data from 6 arthroplasty registries (Australian Orthopaedic Association National Joint Replacement Registry [AOANJRR], New Zealand Joint Registry, Swedish Hip Arthroplasty Register, Swedish Knee Arthroplasty Register, National Joint Registry of England, Wales, Northern Ireland, and the Isle of Man, and the American Joint Replacement Registry) for revisions performed with an infection diagnosis over the last 6 years...
June 2017: Arthroplasty Today
https://www.readbyqxmd.com/read/28695176/the-american-joint-replacement-registry-the-first-5-years
#18
EDITORIAL
Caryn D Etkin, Bryan D Springer
No abstract text is available yet for this article.
June 2017: Arthroplasty Today
https://www.readbyqxmd.com/read/28693543/finite-element-analysis-of-porously-punched-prosthetic-short-stem-virtually-designed-for-simulative-uncemented-hip-arthroplasty
#19
Matthew Jian-Qiao Peng, Hai-Yan Chen, Yong Hu, XiangYang Ju, Bo Bai
BACKGROUND: There is no universal hip implant suitably fills all femoral types, whether prostheses of porous short-stem suitable for Hip Arthroplasty is to be measured scientifically. METHODS: Ten specimens of femurs scanned by CT were input onto Mimics to rebuild 3D models; their *stl format dataset were imported into Geomagic-Studio for simulative osteotomy; the generated *.igs dataset were interacted by UG to fit solid models; the prosthesis were obtained by the same way from patients, and bored by punching bears designed by Pro-E virtually; cements between femora and prosthesis were extracted by deleting prosthesis; in HyperMesh, all compartments were assembled onto four artificial joint style as: (a) cemented long-stem prosthesis; (b) porous long-stem prosthesis; (c) cemented short-stem prosthesis; (d) porous short-stem prosthesis...
July 11, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28692690/risk-of-surgical-site-infection-acute-kidney-injury-and-clostridium-difficile-infection-following-antibiotic-prophylaxis-with-vancomycin-plus-a-beta-lactam-versus-either-drug-alone-a-national-propensity-score-adjusted-retrospective-cohort-study
#20
MULTICENTER STUDY
Westyn Branch-Elliman, John E Ripollone, William J O'Brien, Kamal M F Itani, Marin L Schweizer, Eli Perencevich, Judith Strymish, Kalpana Gupta
BACKGROUND: The optimal regimen for perioperative antimicrobial prophylaxis is controversial. Use of combination prophylaxis with a beta-lactam plus vancomycin is increasing; however, the relative risks and benefits associated with this strategy are unknown. Thus, we sought to compare postoperative outcomes following administration of 2 antimicrobials versus a single agent for the prevention of surgical site infections (SSIs). Potential harms associated with combination regimens, including acute kidney injury (AKI) and Clostridium difficile infection (CDI), were also considered...
July 2017: PLoS Medicine
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