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Peri-implant infection

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https://www.readbyqxmd.com/read/28212129/endoscopic-removal-of-a-dental-implant-from-maxillary-sinus
#1
Serkan Dundar, Turgut Karlidag, Erol Keles
The displacement of a dental implant into the maxillary sinus during surgery or after a period of use is a complication defined in the dental implant clinical practice. This complication arises primarily from inadequate bone height and peri-implant infection. Specifically, foreign objects in the maxillary sinus can cause sinusitis via impaired mucociliary flow and foreign body reactions, so they must be removed. Caldwell-Luc, transnasal, and intraoral endoscopic sinus surgeries have all been used to remove such foreign bodies and lesions from maxillary sinuses...
February 16, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28197990/a-chlorhexidine-releasing-epoxy-based-coating-on-titanium-implants-prevents-staphylococcus-aureus-experimental-biomaterial-associated-infection
#2
M Riool, A J Dirks, V Jaspers, L de Boer, T J Loontjens, C M van der Loos, S Florquin, I Apachitei, L N Rijk, H A Keul, S A Zaat
Prevention of biomaterial-associated infections (BAI) remains a challenging problem, in particular due to the increased risk of resistance development with the current antibiotic-based strategies. Metallic orthopaedic devices, such as non-cemented implants, are often inserted under high mechanical stress. These non-cemented implants cannot be protected by e.g. antibioticreleasing bone cement or other antimicrobial approaches, such as the use of bioactive glass. Therefore, in order to avoid abrasion during implantation procedures, we developed an antimicrobial coating with great mechanical stability for orthopaedic implants, to prevent Staphylococcus aureus BAI...
February 14, 2017: European Cells & Materials
https://www.readbyqxmd.com/read/28186870/total-hip-arthroplasty-via-the-direct-anterior-approach-with-kerboull-type-acetabular-reinforcement-device-for-an-elderly-female-with-factor-xi-deficiency
#3
Kei Sano, Yasuhiro Homma, Tomonori Baba, Jun Ando, Mikio Matsumoto, Hideo Kobayashi, Takahito Yuasa, Kazuo Kaneko
We present a case of successful and uncomplicated total hip arthroplasty with an acetabular reinforcement device in an elderly patient with hip osteoarthritis already diagnosed with factor XI deficiency, which is a very rare bleeding disorder and at high risk of post-operative haemorrhage, and it poses a substantial challenge to surgeons as a consequence of the specific risks of infection and fixation failure. Moreover, bone fragility in elderly patient increases potential risk of adverse event. Fresh frozen plasma was used to supplement factor XI activity...
2017: SICOT-J
https://www.readbyqxmd.com/read/28174400/-l-shaped-partial-upper-sternotomy-approach-for-aortic-valve-replacement
#4
Hiroshi Munakata, Noriko Oyama, Yu Murakami, Takahiro Yamazato, Noriyuki Abe, Katsuhito Mabuni, Tadao Kugai
Transcatheter aortic valve implantation is a recent innovation in the treatment of severe aortic stenosis. On the other hand, several reports suggested that minimally invasive aortic valve replacement (MICS-AVR) is likely to be associated with reduced postoperative discomfort and faster recovery. Of note, an upper partial sternotomy for isolated aortic valve replacement( L-shaped MICS-AVR) has been accepted as the most common approach to the MICS-AVR. Since October 2013, we have preformed L-shaped MICS-AVR at our hospital...
February 2017: Kyobu Geka. the Japanese Journal of Thoracic Surgery
https://www.readbyqxmd.com/read/28163085/novel-technique-for-proximal-bone-anchoring-of-penile-prosthesis-after-radial-forearm-free-flap-neophallus
#5
Andrew J Cohen, Raj R Bhanvadia, Joseph J Pariser, David M Hatcher, Lawrence J Gottlieb, Gregory T Bales
BACKGROUND: Penile prosthesis insertion allows individuals with a neophallus to achieve erectile function. Lack of corporal bodies to accommodate cylinders makes anchoring of any prosthesis challenging. Anchoring the device to pubic bone is one strategy to achieve proximal stabilization of the prosthesis. PURPOSE: To describe outcomes of bone anchoring of penile implant in a neophallus with an accompanying video focusing on operative technique and salient tips for surgeons performing these procedures...
February 2, 2017: Urology
https://www.readbyqxmd.com/read/28162855/histopathological-and-scanning-electron-microscopy-findings-of-retrieved-porous-polyethylene-implants
#6
S-Y Choi, H-I Shin, T-Y Kwon, T-G Kwon
Porous polyethylene (PPE) implants are biocompatible alloplastic materials commonly used for facial augmentation. However, the effect of sub-periosteal PPE application on the surrounding tissues has not been analyzed clearly. This report documents the case of a 22-year-old woman who underwent peri-alar augmentation with PPE to improve midface retrusion. Although no infection or inflammation occurred at the surgical site, the patient requested removal of the PPE implant for aesthetic reasons alone at 1 year after the surgery...
February 2, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28160028/one-stage-bilateral-implantation-of-a%C3%A2-calcar-guided-short-stem-in%C3%A2-total-hip-arthroplasty-minimally-invasive-modified-anterolateral-approach-in-supine-position
#7
K P Kutzner, S Donner, M Schneider, J Pfeil, P Rehbein
OBJECTIVE: One-stage bilateral, muscle-preserving, calcar-guided implantation technique through the modified minimally invasive anterolateral approach in supine position. INDICATIONS: Bilateral primary/secondary osteoarthritis of the hip; bilateral femoral head necrosis; ASA I-III. CONTRAINDICATIONS: ASA IV; severe osteoporosis, other factors jeopardizing stable anchorage of cementless, calcar-guided short-stem; infection. SURGICAL TECHNIQUE: Supine position...
February 3, 2017: Operative Orthopädie und Traumatologie
https://www.readbyqxmd.com/read/28131641/retrospective-comparative-analysis-of-cardiovascular-implantable-electronic-device-infections-with-and-without-the-use-of-antibacterial-envelopes
#8
A Hassoun, E D Thottacherry, M Raja, M Scully, A Azarbal
BACKGROUND: Cardiovascular implantable electronic device (CIED) infections are associated with morbidity and mortality. Peri-operative systemic intravenous antibiotic prophylaxis reduces the rate of CIED infections. AIGISRx, a polymer envelope implanted with the CIED, releases minocycline and rifampin, and has been introduced to reduce infections. METHODS: Retrospective review of 184 patients who underwent CIED implantation was conducted. Ninety-two patients were implanted with an AIGISRx envelope (AIGISRx group) and 92 patients were not implanted with an AIGISRx envelope (control group)...
March 2017: Journal of Hospital Infection
https://www.readbyqxmd.com/read/28127324/effect-of-postoperative-amoxicillin-on-early-bacterial-colonization-of-peri-implant-sulcus-a-randomized-controlled-clinical-trial
#9
Neda Moslemi, Aysan Shahnaz, Abbas Bahador, Sepehr Torabi, Sanaa Jabbari, Zahra Alizadeh Oskouei
OBJECTIVES: With side effects of antibiotics taken into consideration, the necessity of antibiotic therapy after simple implant placement procedures is still a subject of debate and the existing literature on this topic is widely controversial. The aim of this study was to assess the effect of postoperative amoxicillin therapy on early colonization of peri-implant sulcus after implant placement. MATERIALS AND METHODS: In this randomized controlled clinical trial, 20 patients requiring simple implant placement were randomly allocated to test or control groups and received postoperative amoxicillin or placebo, respectively...
September 2016: Journal of Dentistry of Tehran University of Medical Sciences
https://www.readbyqxmd.com/read/28123297/a-decomposable-silica-based-antibacterial-coating-for-percutaneous-titanium-implant
#10
Jia Wang, Guofeng Wu, Xiangwei Liu, Guanyang Sun, Dehua Li, Hongbo Wei
Although percutaneous titanium implants have become one of the best choices as retainers in the facial defects, peri-implantitis still occurs at a significant rate. This unwanted complication occurs due to adhesion of bacteria and subsequent biofilm formation. To solve this problem, we have developed a novel antibiotic nanodelivery system based on self-decomposable silica nanoparticles. In this study, silica-gentamycin (SG) nanoparticles were successfully fabricated using an innovative one-pot solution. The nanoparticles were incorporated within a gelatin matrix and cross-linked on microarc-oxidized titanium...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28116449/-treatment-of-femoral-shaft-fractures-in-children-and-adolescents-%C3%A2-50%C3%A2-kg-a%C3%A2-retrospective-multicenter-trial
#11
M Rapp, R Kraus, P Illing, D W Sommerfeldt, M M Kaiser
BACKGROUND: Operative treatment of diaphyseal fractures of the femur in older children and adolescents remains controversial due to multiple surgical options and higher complication rates in single-center studies compared to younger children. This retrospective multicenter study aimed to register early and late complications in day-by-day treatment. MATERIAL AND METHODS: Sixteen hospitals with particular expertise in pediatric orthopedic trauma participated in this study...
January 23, 2017: Der Unfallchirurg
https://www.readbyqxmd.com/read/28116262/acetabular-prosthetic-protrusio-after-bipolar-hemi-arthroplasty-of-the-hip-case-report-and-review-of-the-literature
#12
Jason Bt Lim, Chia Liang Ang, Hee Nee Pang
INTRODUCTION: Bipolar hemi-arthroplasty of the hip is a commonly performed procedure in elderly patients with intra-capsular fracture of the neck of the femur with good short-term results for pain relief, return to activity and morbidity. The incidence of intra-pelvic prosthesis migration or protrusion is rare and one of the inciting factors is chronic low-grade sepsis. Acetabular prosthesis protrusion poses a difficult and challenging surgical problem due to surrounding neurovascular structures...
July 2016: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/28115954/pulsed-dose-rate-peri-operative-brachytherapy-as-an-interstitial-boost-in-organ-sparing-treatment-of-breast-cancer
#13
Krystyna Serkies, Janusz Jaśkiewicz, Rafał Dziadziuszko, Jacek Jassem
PURPOSE: To evaluate peri-operative multicatheter interstitial pulsed-dose-rate brachytherapy (PDR-BT) with an intra-operative catheter placement to boost the tumor excision site in breast cancer patients treated conservatively. MATERIAL AND METHODS: Between May 2002 and October 2008, 96 consecutive T1-3N0-2M0 breast cancer patients underwent breast-conserving therapy (BCT) including peri-operative PDR-BT boost, followed by whole breast external beam radiotherapy (WBRT)...
December 2016: Journal of Contemporary Brachytherapy
https://www.readbyqxmd.com/read/28108235/the-use-of-bacteriophages-to-biocontrol-oral-biofilms
#14
Szymon P Szafrański, Andreas Winkel, Meike Stiesch
Infections induced by oral biofilms include caries, as well as periodontal, and peri-implant disease, and may influence quality of life, systemic health, and expenditure. As bacterial biofilms are highly resistant and resilient to conventional antibacterial therapy, it has been difficult to combat these infections. An innovative alternative to the biocontrol of oral biofilms could be to use bacteriophages or phages, the viruses of bacteria, which are specific, non-toxic, self-proliferating, and can penetrate into biofilms...
January 17, 2017: Journal of Biotechnology
https://www.readbyqxmd.com/read/28076651/controlled-release-of-chlorhexidine-from-a-mesoporous-silica-containing-macroporous-titanium-dental-implant-prevents-microbial-biofilm-formation
#15
K De Cremer, A Braem, E Gerits, K De Brucker, K Vandamme, J A Martens, J Michiels, J Vleugels, B P Cammue, K Thevissen
Roughened surfaces are increasingly being used for dental implant applications as the enlarged contact area improves bone cell anchorage, thereby facilitating osseointegration. However, the additional surface area also entails a higher risk for the development of biofilm associated infections, an etiologic factor for many dental ailments, including peri-implantitis. To overcome this problem, we designed a dental implant composed of a porous titanium-silica (Ti/SiO2) composite material and containing an internal reservoir that can be loaded with antimicrobial compounds...
January 11, 2017: European Cells & Materials
https://www.readbyqxmd.com/read/28065868/clinical-impact-of-positive-propionibacterium-acnes-cultures-in-orthopedic-surgery
#16
V Lavergne, M Malo, C Gaudelli, M Laprade, S Leduc, P Laflamme, D M Rouleau
BACKGROUND: The clinical significance of a positive culture to Propionibacterium acnes in orthopedic specimens remains unclear, whether about its role as a contaminant or a pathogen, or its impact as a coinfectant. Therefore, we performed a retrospective study to provide a more accurate description of the clinical impact of P. acnes in an orthopedic population aiming to determine: 1) if there is a clinical difference between P. acnes infection and contamination? 2) If there is a clinical difference between P...
January 5, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28035706/bioactive-glasses-as-delivery-systems-for-antimicrobial-agents
#17
REVIEW
Josefina Rivadeneira, Alejandro Gorustovich
Most biomaterial-associated infections are caused by opportunistic pathogens and bacteria that are regularly found within the microflora of the implant site. In addition, a biomaterial implant or device remains at risk of infection by hematogenous spread of bacteria disseminated from infections elsewhere in the body or from infected peri-implant tissue in revision surgery. The resulting infections are frequently accompanied by patient morbidity and discomfort and can lead to surgical replacement of the implant after lengthy, unsuccessful attempts to mitigate infections with antibiotic treatments...
December 30, 2016: Journal of Applied Microbiology
https://www.readbyqxmd.com/read/28000277/osseointegration-of-titanium-titanium-alloy-and-zirconia-dental-implants-current-knowledge-and-open-questions
#18
REVIEW
Dieter D Bosshardt, Vivianne Chappuis, Daniel Buser
Bone healing around dental implants follows the pattern and sequence of intramembraneous osteogenesis with formation of woven bone first of all followed later by formation of parallel-fibered and lamellar bone. Bone apposition onto the implant surface starts earlier in trabecular bone than in compact bone. While the first new bone may be found on the implant surface around 1 week after installation, bone remodeling starts at between 6 and 12 weeks and continues throughout life. Bone remodeling also involves the bone-implant interface, thus transiently exposing portions of the implant surface...
February 2017: Periodontology 2000
https://www.readbyqxmd.com/read/28000272/initial-and-long-term-crestal-bone-responses-to-modern-dental-implants
#19
REVIEW
Tomas Albrektsson, Bruno Chrcanovic, Per-Olov Östman, Lars Sennerby
Successful osseointegration is the result of a controlled foreign body reaction to dental implants. Osseointegrated implants have demonstrated excellent long-term survivability, although they may be subject to limited marginal bone loss. Marginal bone loss during the first few years after implant placement seldom represents disease, but is instead the result of an adaptive bone response to surgical trauma and implant loading. It is not uncommon for implants with early marginal bone loss to enter a long-lasting state of bone stability...
February 2017: Periodontology 2000
https://www.readbyqxmd.com/read/28000270/use-of-cone-beam-computed-tomography-in-implant-dentistry-current-concepts-indications-and-limitations-for-clinical-practice-and-research
#20
REVIEW
Michael M Bornstein, Keith Horner, Reinhilde Jacobs
Diagnostic radiology is an essential component of treatment planning in the field of implant dentistry. This narrative review will present current concepts for the use of cone beam computed tomography imaging, before and after implant placement, in daily clinical practice and research. Guidelines for the selection of three-dimensional imaging will be discussed, and limitations will be highlighted. Current concepts of radiation dose optimization, including novel imaging modalities using low-dose protocols, will be presented...
February 2017: Periodontology 2000
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