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Peri-implant infection

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https://www.readbyqxmd.com/read/28540566/-osteosynthesis-associated-infections-epidemiology-definition-and-diagnosis
#1
REVIEW
N Renz, S Feihl, C E Dlaska, M A Schütz, A Trampuz
Osteosynthesis-associated infections occur in 1-5% after closed and in up to 30% after open fractures. There are three different descriptions of implant-associated infections after fracture fixation, which are crucial for the selection of the adequate treatment strategy; temporal appearance from the index surgery (early versus late), pathogenesis of the infection (exogenous, hematogenous and contiguous from an adjacent focus), duration of infection symptoms (acute versus chronic). Diagnosis of osteosynthesis-associated infection is challenging, as chronic low-grade infections often present only with unspecific and subtle clinical symptoms...
May 24, 2017: Der Unfallchirurg
https://www.readbyqxmd.com/read/28531879/scaffold-requirements-for-periodontal-regeneration-with-enamel-matrix-derivative-proteins
#2
Alessandra Apicella, Peggy Heunemann, Laurent Dejace, Matteo Marascio, Christopher J G Plummer, Peter Fischer
Periodontitis affects the attachment of natural teeth, and infection or inflammation associated with periodontitis may affect peri-implant tissues. Enamel matrix derivative (EMD) proteins provide stimulation for self-regeneration of the damaged tissue when applied to wide intrabony defects as part of a mixture with bone graft material. As a first step of the process enhancing cell proliferation and ligament formation, we demonstrated that EMD protein precipitation depends strongly on the physical and chemical characteristics of the bone grafts used in the mixture...
May 9, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28524724/antibacterial-effect-of-hydrogen-peroxide-titanium-dioxide-suspensions-in-the-decontamination-of-rough-titanium-surfaces
#3
David Wiedmer, Fernanda Cristina Petersen, Jessica Lönn-Stensrud, Hanna Tiainen
The chemical decontamination of infected dental implants is essential for the successful treatment of peri-implantitis. The aim of this study was to assess the antibacterial effect of a hydrogen peroxide-titanium dioxide (H2O2-TiO2) suspension against Staphylococcus epidermidis biofilms. Titanium (Ti) coins were inoculated with a bioluminescent S. epidermidis strain for 8 h and subsequently exposed to H2O2 with and without TiO2 nanoparticles or chlorhexidine (CHX). Bacterial regrowth, bacterial load and viability after decontamination were analyzed by continuous luminescence monitoring, live/dead staining and scanning electron microscopy...
May 19, 2017: Biofouling
https://www.readbyqxmd.com/read/28482451/-the-use-of-antibiotics-in-dental-implantology
#4
Y Feng, M N Lin, F M He
The use of antibiotics in dental implantology is very common and the abuse of antibiotics is increasingly obvious. The rational use of antibiotics in the process of oral implantology needs the support of evidence based medicine. The prophylactic use of antibiotics in dental implantology is reviewed in this article, including the summary of different infection risks, such as peri-implantitis and maxillary sinusitis after maxillary sinus floor lifting.
May 9, 2017: Zhonghua Kou Qiang Yi Xue za Zhi, Zhonghua Kouqiang Yixue Zazhi, Chinese Journal of Stomatology
https://www.readbyqxmd.com/read/28472599/peri-prosthetic-knee-infection-management-spacers-loaded-with-two-or-three-antibiotic-agents
#5
David Joaquin Ortola, Domenico Fenga, Sandra Marcellino, Massimiliano Rosi, Francesco Centofanti, Michele Attilio Rosa
BACKGROUND: The purpose of this work was to compare pre-made antibiotic-loaded spacers with two commercially available antibiotic agents and custom-made cements with three antibiotic agents added. We evaluated: (a) the validity of our procedures, (b) the control of the rate of infection in the long term, (c) complications, and (d) quality of life and patient satisfaction. METHODS: A retrospective cohort study was performed on 112 consecutively treated patients between January 2010 and December 2013; 56 patients were treated with a pre-formed cement spacer (clindamycin + gentamicin), and 56 patients were treated with a spacer loaded with three antibiotic agents (clindamycin + gentamicin + vancomycin)...
May 4, 2017: Surgical Infections
https://www.readbyqxmd.com/read/28463624/evaluation-of-robot-guided-minimally-invasive-implantation-of-2067-pedicle-screws
#6
Naureen Keric, Christian Doenitz, Amer Haj, Izabela Rachwal-Czyzewicz, Mirjam Renovanz, Dominik M A Wesp, Stephan Boor, Jens Conrad, Alexander Brawanski, Alf Giese, Sven R Kantelhardt
Objective Recent studies have investigated the role of spinal image guidance for pedicle screw placement. Many authors have observed an elevated placement accuracy and overall improvement of outcome measures. This study assessed a bi-institutional experience following introduction of the Renaissance miniature robot for spinal image guidance in Europe. Methods The medical records and radiographs of all patients who underwent robot-guided implantation of spinal instrumentation using the novel system (between October 2011 and March 2015 in Mainz and February 2014 and February 2016 in Regensburg) were reviewed to determine the efficacy and safety of the newly introduced robotic system...
May 2017: Neurosurgical Focus
https://www.readbyqxmd.com/read/28462215/condylar-constrained-system-in-primary-total-knee-replacement-our-experience-and-literature-review
#7
Luigi Sabatini, Salvatore Risitano, Lorenzo Rissolio, Andrea Bonani, Francesco Atzori, Alessandro Massè
BACKGROUND: Constrained condylar knee (CCK) prosthesis are common used for revision surgery but can also help surgeons to improve implant stability in primary knee arthroplasty, in fact in severe knee arthrosis with serious deformity associated with a significant instability a more constrained articulation is required. With introduction of second generation of semi-constrained prosthesis, rate of complication is real decreased and a good survival rate and functional score results is showed...
March 2017: Annals of Translational Medicine
https://www.readbyqxmd.com/read/28461965/total-knee-arthroplasty-and-infection-how-surgeons-can-reduce-the-risks
#8
REVIEW
Nicola Ratto, Chiara Arrigoni, Federica Rosso, Matteo Bruzzone, Federico Dettoni, Davide Edoardo Bonasia, Roberto Rossi
Total joint arthroplasty (TJA) is one of the most common orthopaedic procedures. Nevertheless, several complications can lead to implant failure.Peri-prosthetic joint infections (PJI) certainly represent a significant challenge in TJA, constituting a major cause of prosthetic revision. The surgeon may have an important role in reducing the PJI rate by limiting the impact of significant risk factors associated to either the patient, the operative environment or the post-operative care.In the pre-operative period, several preventive measures may be adopted to manage reversible medical comorbidities...
September 2016: EFORT Open Rev
https://www.readbyqxmd.com/read/28453225/oral-infection-with-p-gingivalis-induces-peri-implantitis-in-a-murine-model-evaluation-of-bone-loss-and-the-local-inflammatory-response
#9
Rinat Tzach-Nahman, Gabriel Mizraji, Lior Shapira, Gabriel Nussbaum, Asaf Wilensky
AIM: Peri-implantitis is a major health concern, with unclear pathogenesis, and with no accessible animal models. Our aim was to establish a mouse model for peri-implantitis, and to investigate mediators of inflammation. MATERIALS AND METHODS: Mice were divided into implanted versus non-implanted groups. Implants were inserted immediately following the extraction of the upper first molar. Four weeks following implantation, implanted and non-implanted mice were challenged with either Porphyromonas gingivalis or vehicle (eight mice in each sub-group, thirty-two mice in total)...
April 28, 2017: Journal of Clinical Periodontology
https://www.readbyqxmd.com/read/28421570/-real-world-experience-in-cardiac-resynchronization-therapy-at-a-swiss-tertiary-care-center
#10
Stephan Winnik, Christian Elsener, Burkhardt Seifert, Christoph Starck, Agnes Straub, Ardan M Saguner, Alexander Breitenstein, Nazmi Krasniqi, Markus J Wilhelm, Laurent Haegeli, Firat Duru, Stefano Benussi, Francesco Maisano, Thomas F Lüscher, Johannis Holzmeister, David Huerlimann, Frank Ruschitzka, Jan Steffel
BACKGROUND: Based on a reduction in morbidity and mortality, cardiac resynchronisation therapy (CRT) has evolved as a standard therapy for patients with advanced heart failure. OBJECTIVE: To provide insight into patient demographics, safety, echocardiographic remodelling and long-term follow-up of patients treated with CRT in a "real-world" setting at a Swiss tertiary care centre. METHODS: Patients implanted with a CRT device at the University Heart Centre Zurich between 2000 and 2015 were consecutively enrolled...
April 19, 2017: Swiss Medical Weekly
https://www.readbyqxmd.com/read/28407420/dental-biofilm-infections-an-update
#11
REVIEW
Tove Larsen, Nils-Erik Fiehn
Teeth are colonized by oral bacteria from saliva containing more than 700 different bacterial species. If removed regularly, the dental biofilm mainly comprises oral streptococci and is regarded as resident microflora. But if left undisturbed, a complex biofilm containing up to 100 bacterial species at a site will build up and may eventually cause development of disease. Depending on local ecological factors, the composition of the dental biofilm may vary considerably. With access to excess carbohydrates, the dental biofilm will be dominated by mainly gram-positive carbohydrate-fermenting bacteria causing demineralization of teeth, dental caries, which may further lead to inflammation and necrosis in the pulp and periapical region, i...
April 2017: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/28392637/long-term-results-of-impaction-bone-grafting-using-a-synthetic-graft-apapore-in-revision-hip-surgery
#12
V Kumar, M Ricks, S Aboul-Enin, D G Dunlop
INTRODUCTION: Impaction Bone grafting (IBG) in Revision THR is challenging and places demands on allograft stores. Identifying a potential synthetic replacement that works in the longer term was the aim of this study. METHODS: We retrospectively reviewed 21 sequential patients who had undergone revision THR using IBG. They were randomised to receive either combined allograft and synthetic graft or Allograft alone. Among the surviving 15 patients, there were total of 25 procedures were carried out...
June 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/28384949/comparative-study-of-surgical-management-of-fracture-neck-of-femur-with-cemented-versus-uncemented-bipolar-hemiarthroplasty
#13
Y S Prashanth, M Niranjan
INTRODUCTION: There is evidence for use of cemented hemiarthroplasty resulting in greater anchoring and lesser peri prosthetic fracture. However, this procedure results in more haemodynamic instability and cardiopulmonary complications termed as 'cement reaction' or bone cement implantation syndrome. There has been a heightened interest among surgeons to compare cemented and uncemented hemiarthroplasty for fracture neck of femur. AIM: To compare cemented and uncemented hemiarthroplasty in terms of blood loss during the procedure, post-operative complications, mortality, functional recovery and long term clinical outcome...
February 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28383598/genetic-relatedness-of-peri-implants-and-buccal-candida-albicans-isolates-determined-by-rapd-pcr
#14
Adriana M Bertone, Alcira C Rosa, Natalia Nastri, Hector D Santillán, Yamila Ariza, Cristina A Iovannitti, Virginia M Jewtuchowicz
Molecular techniques have been used in recent studies to identify a wide range of potential bacterial pathogens in periimplant pockets of the oral cavity. However, the prevalence and molecular epidemiology of yeasts and species distribution related to periimplantitis are as yet unknown. The aim of this study was to determine the prevalence and distribution of yeasts in periimplant biofilm and to study genetic relatedness of Candida albicans. Yeasts recovered from periimplant biofilm samples (n=89) and buccal samples (n=120) were studied in 40 immunocompetent nonsmoking patients who visited the dental clinic of the Asociación Implantodontológica Argentina, Buenos Aires, Argentina, and had received oral rehabilitation with implants for more than five years...
December 2016: Acta Odontológica Latinoamericana: AOL
https://www.readbyqxmd.com/read/28380669/antibacterial-and-bioactive-coatings-on-titanium-implant-surfaces
#15
Anupama Kulkarni Aranya, Smruti Pushalkar, Minglei Zhao, Racquel Z LeGeros, Yu Zhang, Deepak Saxena
Various surface modifications have been tried for enhancing osseointegration of the dental implants like mechanical and/or chemical treatments and deposition of calcium phosphate coatings. The objective of this research was to develop calcium-phosphate based thin coatings with antibacterial and bioactive properties for potential application in dental implants. Titanium (Ti) discs were immersed in different calcifying solutions: CaP (positive control), F-CaP, Zn-CaP and FZn-CaP and incubated for 24 h. Negative control was uncoated Ti discs...
April 5, 2017: Journal of Biomedical Materials Research. Part A
https://www.readbyqxmd.com/read/28371086/immediate-implant-and-rehabilitation-based-on-all-on-4-concept-in-patients-with-generalized-aggressive-periodontitis-a-medium-term-prospective-study
#16
Sha Li, Ping Di, Yu Zhang, Ye Lin
BACKGROUND: Aggressive periodontitis renders a great challenge to the conventional implant due to the risks of infection and ongoing marginal bone loss (MBL). A study about full-arch immediate implant and restoration in patients with advanced generalized aggressive periodontitis (GAP) was not read, even though the All-on-4 concept has been proven to be predictable for edentulous patients. PURPOSE: This prospective study aimed to evaluate the feasibility and medium-term outcomes of immediate implant and rehabilitation based on the All-on-4 concept in patients with advanced GAP via clinical and radiographic analyses...
April 3, 2017: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/28348592/polymorphisms-of-il-10-1082-and-rankl-438-genes-and-the-failure-of-dental-implants
#17
Rodrigo Ribeiro, Rayanne Melo, Pedro Tortamano Neto, André Vajgel, Paulo Roberto Eleutério Souza, Renata Cimões
Background. Genetic polymorphisms in certain cytokines and chemokines have been investigated to understand why some individuals display implant flaws despite having few risk factors at the time of implant. Purpose. To investigate the association of genetic polymorphisms in interleukin- (IL-) 10 [-1082 region (A/G)] and RANKL [-438 region (A/G)] with the failure of dental implants. Materials and Methods. This study included 90 partially edentulous male and female patients who were rehabilitated with a total of 245 Straumann dental implants...
2017: International Journal of Dentistry
https://www.readbyqxmd.com/read/28345769/best-practice-policy-statement-on-urodynamic-antibiotic-prophylaxis-in-the-non-index-patient
#18
REVIEW
Anne P Cameron, Lysanne Campeau, Benjamin M Brucker, J Quentin Clemens, Gregory T Bales, Michael E Albo, Michael J Kennelly
AIMS: Antibiotic prophylaxis before urodynamic testing (UDS) is widely utilized to prevent urinary tract infection (UTI) with only limited guidance. The Society of Urodynamics, Female Pelvic Medicine, and Urogenital Reconstruction (SUFU) convened a Best Practice Policy Panel to formulate recommendations on the urodynamic antibiotic prophylaxis in the non-index patient. METHODS: Recommendations are based on a literature review and the Panel's expert opinion, with all recommendations graded using the Oxford grading system...
March 27, 2017: Neurourology and Urodynamics
https://www.readbyqxmd.com/read/28339315/identification-of-asymptomatic-prosthetic-joint-infection-microbiologic-and-operative-treatment-outcomes
#19
Przemysław L Bereza, Alicja Ekiel, Aleksandra Auguściak-Duma, Małgorzata Aptekorz, Iwona Wilk, Piotr Wojciechowski, Damian J Kusz, Gayane Martirosian
BACKGROUND: This prospective study investigated the role of mechanical and biological factors in aseptic implant loosening or presumed silent prosthetic joint infection (PJI). METHODS: Thirty-seven patients were investigated. Microbiologic and molecular methods were used to detect bacteria on the surface of the failed implants removed during revision arthroplasty. Histopathologic analysis was performed. The influence of body mass index (BMI) and various co-morbidities on implant failure also was determined...
March 24, 2017: Surgical Infections
https://www.readbyqxmd.com/read/28327696/subcrestal-placement-of-dental-implants-with-an-internal-conical-connection-of-0-5%C3%A2-mm-versus-1-5%C3%A2-mm-outcome-of-a-multicentre-randomised-controlled-trial-1-year-after-loading
#20
Federico Gualini, Sergio Salina, Fabio Rigotti, Cristian Mazzarini, Diego Longhin, Mauro Grigoletto, Anna Trullenque-Eriksson, Luca Sbricoli, Marco Esposito
PURPOSE: To evaluate whether there are some clinical benefits by placing single dental implants either 0.5 or 1.5 mm subcrestally in healed bone crests. MATERIALS AND METHODS: Sixty partially edentulous patients requiring two single implant-supported crowns had both sites randomly allocated either to 0.5 mm or 1.5 mm subcrestal implant placement according to a split-mouth design at six centres. Implants were submerged in aesthetic areas or non-submerged in non-aesthetic areas for 3 months...
2017: European Journal of Oral Implantology
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