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Peri-implant infection

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https://www.readbyqxmd.com/read/28906504/association-between-clinical-and-microbiologic-cluster-profiles-and-peri-implantitis
#1
Luigi Canullo, Miguel Peñarrocha, Alberto Monje, Andres Catena, Hom-Lay Wang, David Peñarrocha
PURPOSE: The correlation between associated local factors and peri-implantitis remains unknown. The aim of this study was to investigate the association between the clinical and microbiologic profiles and peri-implantitis to eventually categorize different groups of this disease. MATERIALS AND METHODS: Subjects with at least one implant presenting signs of peri-implantitis were selected. The clinical, radiographic, occlusal, and microbiologic profiles of these infected implants were collected...
September 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28898769/lox-1-is-involved-in-il-1%C3%AE-production-and-extracellular-matrix-breakdown-in-dental-peri-implantitis
#2
Chengye Che, Jie Liu, Lei Ma, Huirong Xu, Na Bai, Qian Zhang
PURPOSE: To explore whether lectin-type oxidized LDL receptor 1 (LOX-1), interleukin 1 beta (IL-1β), matrix metalloproteinase 2 (MMP2) and matrix metalloproteinase 9 (MMP9) are involved in the nosogenesis of human dental peri-implantitis and determine the role of LOX-1 in IL-1β, MMP2 and MMP9 production in response to Porphyromonas gingivalis. METHODS: Peri-implant crevicular fluid (PICF) was collected from ten patients with healthy implants and ten patients with peri-implantitis...
September 9, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28854287/risk-of-superinfection-in-peri-implantitis-after-systemic-broad-spectrum-antibiotics
#3
Fernando Verdugo
Peri-implant disease has developed over the last few years as a complication that is often difficult to resolve. The disease process is mainly attributed to bacterial infection. Proposed combined therapies use broad-spectrum antibiotics to halt its progression. A major associated risk is the undetected development of superinfections that are difficult to eradicate. A group of healthy individuals with advanced peri-implantitis (PI) were referred for evaluation due to severe, rapidly progressive bone loss. Previous nonsurgical and empiric antibiotic therapy had been rendered...
August 30, 2017: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/28841913/accuracy-of-different-diagnostic-tests-for-early-delayed-and-late-prosthetic-joint-infection
#4
M Fernández-Sampedro, C Fariñas-Alvarez, C Garces-Zarzalejo, M A Alonso-Aguirre, C Salas-Venero, L Martínez-Martínez, M C Fariñas
BACKGROUND: A combination of laboratory, histopathological and microbiological tests for diagnosis of prosthetic joint infection (PJI) have been strongly recommended. This study aims to characterize the accuracy of individual or group tests, such as culture of sonicate fluid, synovial fluid and peri-implant tissue, C-reactive protein (CRP) and histopathology for detection of early, delayed and late PJI. METHODS: A prospective study of patients undergoing hip or knee arthroplasty from February 2009 to February 2014 was performed in a Spanish tertiary health care hospital...
August 25, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28839395/staphylococcus-lugdunensis-and-trichophyton-tonsurans-infection-in-synthetic-hair-implants
#5
Pedro Colli, Antonia Fellas, Ralph M Trüeb
Synthetic hair implants are considered in alopecia when the patient requests an immediate result with minor surgery and with a poor donor area. However, the procedure has historically been marred by poor quality fiber and performance resulting in serious complications. Nevertheless, companies continue to market the procedure with the claim that previous problems have been sorted out. We report a case of inflammation in synthetic hair implants, in which microbiological studies revealed infection with Staphylococcus lugdunensis and Trichophyton tonsurans...
April 2017: International Journal of Trichology
https://www.readbyqxmd.com/read/28822567/classification-and-clinical-management-of-retrograde-peri-implantitis-associated-with-apical-periodontitis-a-proposed-classification-system-and-case-report
#6
Nima D Sarmast, Howard H Wang, Ali S Sajadi, Nikola Angelov, Samuel O Dorn
Biological complications involving dental implants include peri-implant diseases such as peri-implant mucositis and peri-implantitis. The latter presents with progressive bone loss from the alveolar crest in a coronal apical direction. However, a separate disease entity termed retrograde peri-implantitis (RPI), which presents with progressive bone loss at the periapex of the implant, also exists and may be of particular interest to endodontists because it typically presents with periapical pathology of both the implant and adjacent tooth or at a site that previously housed an endodontically treated tooth...
August 16, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28791884/added-value-of-18f-fdg-pet-ct-in-diagnosing-infected-hip-prosthesis
#7
Robert M Kwee, Wouter Am Broos, Boudewijn Brans, Geert Him Walenkamp, Jan Geurts, René E Weijers
Background The diagnosis of infected hip prosthesis is frequently not straightforward yet very important as it changes treatment. Purpose To retrospectively investigate the added value of 18F-FDG PET/CT to conventional tests including radiography, erythrocyte sedimentation rate (ESR)/C-reactive protein (CRP) testing, and joint aspiration, in diagnosing infected hip prosthesis. Material and Methods Seventy-eight hip prostheses of 78 patients (55% men; mean age = 66.5 years; age range = 30-85 years) with non-specific clinical presentation, i...
January 1, 2017: Acta Radiologica
https://www.readbyqxmd.com/read/28765610/high-mobility-group-box-1-protein-level-as-a-novel-biomarker-for-the-development-of-peri-implant-disease
#8
Jinpan Liu, Ronghui Li, Tongjun Liu, Xiaohui Rausch-Fan, Mingguo Wang
Peri-implant disease is a chronic inflammation of the soft and hard tissues around a dental implant, resulting from bacterial infection. Recent evidence indicates that some pro-inflammatory cytokines and chemokines released by immunocytes are substantially responsible for the progress and consequence of inflammation. High mobility group box 1 (HMGB1) is released into the extracellular matrix and acts as a key pro-inflammatory factor during injury, necrosis and inflammation. A higher concentration of HMGB1 has been found in gingival crevicular fluid from inflammatory gingival tissue than from healthy sites...
August 1, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28757930/efficacy-of-a-new-coating-of-implant-abutment-connections-in-reducing-bacterial-loading-an-in-vitro-study
#9
D Lauritano, C A Bignozzi, D Pazzi, F Cura, F Carinci
BACKGROUND: Titanium is the gold standard for dental implants, since it has demonstrated excellent biocompatibility and osseointegration properties. The rate of osseointegration is however affected by the surface morphology and peri-implant infections may affect fixture and the long-term osseointegration outcome. Thus chemical composition of a coating at the implant-abutment junction (IAJ) surface is expected to play a key role in preventing bacterial infection. PURPOSE: In the present study a new antimicrobial polysiloxane coating functionalized with chlorexidine digluconate (PXT) has been tested in an in vitro model...
January 2017: Oral & Implantology
https://www.readbyqxmd.com/read/28730548/orthopedic-infections-caused-by-obligatory-anaerobic-gram-negative-rods-report-of-two-cases
#10
Marta Kierzkowska, Piotr Pedzisz, Ireneusz Babiak, Jakub Janowicz, Mateusz Kulig, Anna Majewska, Anna Sawicka-Grzelak, Grazyna Mlynarczyk
Anaerobic bone and joint infections are uncommon, although the number of anaerobic infections is presumably underestimated because of difficulties with isolation and identification of obligate anaerobes. This study describes two cases of complicated Bacteroides fragilis peri-implant infection of the lumbar spine, infection of the hip and osteomyelitis. Bacteria were identified with the use of a mass spectrometer, VITEK MS system. Drug susceptibility was performed with the use of E-test. The EUCAST breakpoints were used for interpretation with B...
July 20, 2017: Medical Microbiology and Immunology
https://www.readbyqxmd.com/read/28726761/a-cell-adhesive-plasma-polymerized-allylamine-coating-reduces-the-in-vivo-inflammatory-response-induced-by-ti6al4v-modified-with-plasma-immersion-ion-implantation-of-copper
#11
Uwe Walschus, Andreas Hoene, Maciej Patrzyk, Silke Lucke, Birgit Finke, Martin Polak, Gerold Lukowski, Rainer Bader, Carmen Zietz, Andreas Podbielski, J Barbara Nebe, Michael Schlosser
Copper (Cu) could be suitable to create anti-infective implants based on Titanium (Ti), for example by incorporating Cu into the implant surface using plasma immersion ion implantation (Cu-PIII). The cytotoxicity of Cu might be circumvented by an additional cell-adhesive plasma polymerized allylamine film (PPAAm). Thus, this study aimed to examine in vivo local inflammatory reactions for Ti6Al4V implants treated with Cu-PIII (Ti-Cu), alone or with an additional PPAAm film (Ti-Cu-PPAAm), compared to untreated implants (Ti)...
July 20, 2017: Journal of Functional Biomaterials
https://www.readbyqxmd.com/read/28702784/cementless-modular-distally-fixed-stem-in-hip-revision-arthroplasty-a-single-center-study-of-132-consecutive-hips
#12
Ali Hashem, Ammar Al-Azzawi, Hasan Riyadh, Sebastian Mukka, Arkan Sayed-Noor
PURPOSE: The use of cementless, modular, distally fixed stem in hip revision arthroplasty has increased during the last decades. We aimed to analyze the early and late postoperative complications, re-operation rate, and survival rate of the MP stem operated at our county hospital with relatively limited caseload. METHODS: In this retrospective study, we included 132 hips operated with MP stem between January 2007-2014. An independent observer reviewed patients' medical records in July 2015 (18-102 months postoperatively, median 52...
July 12, 2017: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/28696671/simultaneous-delivery-of-multiple-antibacterial-agents-from-additively-manufactured-porous-biomaterials-to-fully-eradicate-planktonic-and-adherent-staphylococcus-aureus
#13
S Bakhshandeh, Z Gorgin Karaji, K Lietaert, A C Fluit, C H E Boel, H C Vogely, T Vermonden, W E Hennink, H Weinans, A A Zadpoor, S Amin Yavari
Implant-associated infections are notoriously difficult to treat and may even result in amputation and death. The first few days after surgery are the most critical time to prevent those infections, preferably through full eradication of the micro-organisms entering the body perioperatively. That is particularly important for patients with a compromised immune system such as orthopedic oncology patients, as they are at higher risk for infection and complications. Full eradication of bacteria is, especially in a biofilm, extremely challenging due to the toxicity barrier that prevents delivery of high doses of antibacterial agents...
August 9, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28688362/ph-dependent-silver-nanoparticles-releasing-titanium-implant-a-novel-therapeutic-approach-to-control-peri-implant-infection
#14
Yiwen Dong, Hui Ye, Yi Liu, Lihua Xu, Zuosu Wu, Xiaohui Hu, Jianfeng Ma, Janak L Pathak, Jinsong Liu, Gang Wu
Peri-implant infection control is crucial for implant fixation and durability. Antimicrobial administration approaches to control peri-implant infection are far from satisfactory. During bacterial infection, pH level around the peri-implant surface decreases as low as pH 5.5. This change of pH can be used as a switch to control antimicrobial drug release from the implant surface. Silver nanoparticles (AgNPs) have broad-spectrum antimicrobial properties. In this study, we aimed to design a pH-dependent AgNPs releasing titania nanotube arrays (TNT) implant for peri-implant infection control...
June 23, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28684070/the-influence-of-different-abutment-materials-on-tissue-regeneration-after-surgical-treatment-of-peri-implantitis-a-randomized-controlled-preclinical-study
#15
Tobias Moest, Jan Wrede, Christian Martin Schmitt, Melanie Stamp, Friedrich Wilhelm Neukam, Karl Andreas Schlegel
OBJECTIVES: This study aimed to assess the impact of different abutment materials on peri-implant tissue regeneration after surgical treatment of peri-implantitis in a large animal model. MATERIAL AND METHODS: Titanium implants (n = 51) were inserted in the upper and lower jaw of eight beagle dogs and a peri-implant infection was induced. After two months the peri-implant infection was surgically treated and abutments with different surfaces (Ti-2: n = 14; CoCrMb: n = 13; Ag-modified Ti-4: n = 14; Ti-4 control: n = 10) were applied...
June 3, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/28664712/comparative-study-on-usefulness-of-gentamycin-containing-collagen-implants-in-the-treatment-of-patients-with-osteitis-and-osteomyelitis-of-the-craniofacial-skeleton
#16
COMPARATIVE STUDY
Paweł J Zawadzki, Konrad Perkowski, Michał Kotlarski, Anna Pietruczuk-Padzik, Lidia Chomicz
<b>Introduction and objective.</b> A reduction in incidences of peri-surgical complications due to infections is achieved by antibiotic prophylaxis The objective of the study was to assess the usefulness of gentamycin-containing collagen implants (GCCI) in the treatment of patients with osteitis and osteomyelitis of the craniofacial skeleton. <b>Materials and method.</b> The retrospective study included 103 patients with osteitis and osteomyelitis. 54 patients were treated intra-operatively with GCCI (Garamycin, EusaPharma, Europe)...
May 11, 2017: Annals of Agricultural and Environmental Medicine: AAEM
https://www.readbyqxmd.com/read/28657565/robotic-arm-assisted-partial-knee-arthroplasty-a-single-centre-experience
#17
Andrea Marcovigi, Francesco Zambianchi, Dario Sandoni, Elisa Rivi, Fabio Catani
BACKGROUND AND AIM OF THE WORK: UKA has proven to be an effective surgical procedure, but its survivorship is still negatively affected by inaccuracy in component component positioning, implant and limb alignment. Robotic surgery has been introduced in order to minimize such technical errors. The aim of the present paper was to evaluate clinical and surgical outcomes after a 3 years' experience of robotic assisted UKA with the Mako Robotic Arm. METHODS: Seventy-three patients undergoing  UKA with robotic instrumentation (65 medial UKAs, 8 lateral UKAs) and with a clinical follow-up of 3 -37 months were included in the present study...
June 7, 2017: Acta Bio-medica: Atenei Parmensis
https://www.readbyqxmd.com/read/28649851/avoidance-of-urinary-catheterization-to-minimize-in-hospital-complications-after-transcatheter-aortic-valve-implantation-an-observational-study
#18
Sandra B Lauck, Jae-Yung Kwon, David A Wood, Jennifer Baumbusch, Tone M Norekvål, Nay Htun, Leo Stephenson, John G Webb
BACKGROUND: Contemporary transcatheter aortic valve implantation (TAVI) devices and approach present opportunities to review historical practices initially informed by early treatment development and cardiac surgery. The avoidance of urinary catheterization in the older TAVI population is a strategy to minimize in-hospital complications. The purpose of the study was to explore elimination-related complications following the phased implementation of a default strategy of avoiding urinary catheterization in patients undergoing transfemoral (TF) TAVI...
June 1, 2017: European Journal of Cardiovascular Nursing
https://www.readbyqxmd.com/read/28647798/a-new-model-for-biofilm-formation-and-inflammatory-tissue-reaction-intraoperative-infection-of-a-cranial-implant-with-staphylococcus-aureus-in-rats
#19
Silke Glage, Silke Paret, Andreas Winkel, Meike Stiesch, André Bleich, Joachim K Krauss, Kerstin Schwabe
BACKGROUND: Implant failure is a severe and frequent adverse event in all areas of neurosurgery. It often involves infection with biofilm formation, accompanied by inflammation of surrounding tissue, including the brain, and bone loss. The most common bacteria involved are Staphylococcus aureus. We here test whether intraoperative infection of intracranial screws with Staphylococcus aureus would lead to biofilm formation and inflammatory tissue reaction in rats. METHODS: Two titanium screws were implanted in the cranium of Sprague-Dawley rats, anesthetized with xylazine (4 mg/kg) and ketamine (75 mg/kg)...
June 25, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28646465/delayed-complications-of-deep-brain-stimulation-16-year-experience-in-249-patients
#20
Gustavo Fernández-Pajarín, A Sesar, B Ares, J L Relova, E Arán, M Gelabert-González, A Castro
BACKGROUND: Over the years, most of the deep brain stimulation (DBS) complications described have been mainly related to the surgery itself or the stimulation. Only a few authors have dealt with chronic complications or complications due to implanted material. METHODS: We retrospectively analyzed complications beyond the 1st month after surgery in 249 patients undergoing DBS at our site for 16 years, with 321 interventions overall. RESULTS: Our results show that infection is the most frequent delayed complication (12...
June 24, 2017: Acta Neurochirurgica
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