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https://www.readbyqxmd.com/read/28344947/factors-associated-with-odontogenic-bacteraemia-in-orthodontic-patients
#1
O D Umeh, O O Sanu, I L Utomi, F O Nwaokorie
BACKGROUND: Various researches have investigated factors associated with the prevalence and intensity of bacteraemia following oral procedures including orthodontic procedures. AIM: The aim of this study was to determine the effect of age, gender, plaque and gingival indices on the occurrence of odontogenic bacteraemia following orthodontic treatment procedures. SETTING: Orthodontic Clinic, Lagos University Teaching Hospital (LUTH), Lagos, Nigeria...
April 2016: Journal of the West African College of Surgeons
https://www.readbyqxmd.com/read/28322712/implementation-and-initial-analysis-of-a-laboratory-based-weekly-biosurveillance-system-provence-alpes-c%C3%A3-te-d-azur-france
#2
Michael Huart, Gabriel Bedubourg, Cédric Abat, Philippe Colson, Jean Marc Rolain, Hervé Chaudet, Pierre Edouard Fournier, Didier Raoult, Xavier Deparis
We describe the implementation of an automated infectious disease surveillance system that uses data collected from 210 microbiologic laboratories throughout the Provence-Alpes-Côte d'Azur region in France. Each week, these facilities report bacterial species that have been isolated from patients in their area. An alarm is triggered whenever the case count for a bacterial species infection exceeds 2 SDs of the historical mean for that species at the participating laboratory. At its inception in July 2013, the system monitored 611 bacterial species...
April 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28274300/national-automated-surveillance-of-hospital-acquired-bacteremia-in-denmark-using-a-computer-algorithm
#3
Sophie Gubbels, Jens Nielsen, Marianne Voldstedlund, Brian Kristensen, Henrik C Schønheyder, Svend Ellermann-Eriksen, Jørgen H Engberg, Jens K Møller, Christian Østergaard, Kåre Mølbak
BACKGROUND In 2015, Denmark launched an automated surveillance system for hospital-acquired infections, the Hospital-Acquired Infections Database (HAIBA). OBJECTIVE To describe the algorithm used in HAIBA, to determine its concordance with point prevalence surveys (PPSs), and to present trends for hospital-acquired bacteremia SETTING Private and public hospitals in Denmark METHODS A hospital-acquired bacteremia case was defined as at least 1 positive blood culture with at least 1 pathogen (bacterium or fungus) taken between 48 hours after admission and 48 hours after discharge, using the Danish Microbiology Database and the Danish National Patient Registry...
March 9, 2017: Infection Control and Hospital Epidemiology
https://www.readbyqxmd.com/read/28274291/an-audit-of-cryptosporidium-and-giardia-detection-in-scottish-national-health-service-diagnostic-microbiology-laboratories
#4
C L Alexander, S Currie, K Pollock, A Smith-Palmer, B L Jones
Giardia duodenalis and Cryptosporidium species are protozoan parasites capable of causing gastrointestinal disease in humans and animals through the ingestion of infective faeces. Whereas Cryptosporidium species can be acquired locally or through foreign travel, there is the mis-conception that giardiasis is considered to be largely travel-associated, which results in differences in laboratory testing algorithms. In order to determine the level of variation in testing criteria and detection methods between diagnostic laboratories for both pathogens across Scotland, an audit was performed...
March 9, 2017: Epidemiology and Infection
https://www.readbyqxmd.com/read/28271567/the-welsh-blood-service-70-years-of-continuous-change
#5
REVIEW
G D Poole
The National Blood Transfusion Service (NBTS) in England and Wales was established as a single entity in 1946 and operated as such for almost half a century. During those 50 years, the blood service in Wales, as in the rest of the UK, saw many technological and operational changes. The automation of donation testing, the introduction of successive layers of microbiological screening, the creation of the Tissue Typing Laboratory (later renamed the Welsh Transplantation and Immunogenetics Laboratory) and the development of information technology brought - over a relatively long period - highly significant improvements to an organisation that had begun life as an Emergency Medical Service...
March 8, 2017: Transfusion Medicine
https://www.readbyqxmd.com/read/28222388/microbial-profile-of-dental-plaque-associated-to-white-spot-lesions-in-orthodontic-patients-immediately-after-the-bracket-removal
#6
Moniek W Beerens, Jacob M Ten Cate, Monique H van der Veen
OBJECTIVE: Denaturing Gradient Gel Electrophoresis (DGGE) is suggested to predict caries risk in young children. Such a tool would be valuable in orthodontic patients undergoing treatment with fixed appliances. In this cross-sectional study the applicability of DGGE and conventional microbiology for caries risk assessment in orthodontic patients were assessed. DESIGN: Dental plaque was obtained from orthodontic patients immediately prior to bracket removal. Presence of white spot lesions (WSL) was assessed immediately post debracketing...
February 9, 2017: Archives of Oral Biology
https://www.readbyqxmd.com/read/28214393/flow-cytometric-bacterial-cell-counts-challenge-conventional-heterotrophic-plate-counts-for-routine-microbiological-drinking-water-monitoring
#7
REVIEW
S Van Nevel, S Koetzsch, C R Proctor, M D Besmer, E I Prest, J S Vrouwenvelder, A Knezev, N Boon, F Hammes
Drinking water utilities and researchers continue to rely on the century-old heterotrophic plate counts (HPC) method for routine assessment of general microbiological water quality. Bacterial cell counting with flow cytometry (FCM) is one of a number of alternative methods that challenge this status quo and provide an opportunity for improved water quality monitoring. After more than a decade of application in drinking water research, FCM methodology is optimised and established for routine application, supported by a considerable amount of data from multiple full-scale studies...
April 15, 2017: Water Research
https://www.readbyqxmd.com/read/28164570/time-to-detection-comparison-for-a-novel-blood-culture-system-using-simulated-blood-cultures-dltm-versus-bact-alerttm-and-bactectm
#8
Tayfur Demiray, Mehmet Koroglu, Mustafa Altindis
BACKGROUND: Automated blood culture systems are routinely used in microbiology laboratories to isolate bacteria and fungi causing bloodstream infections. A novel automated blood culture system, DL-Bt112TM (DL) was compared with the BACTEC 9050TM (BCT) and BacT/Alert 3DTM (B3D) systems for time-to-detection (TTD) using 10 different clinical bacteria that commonly cause bloodstream infections. METHODS: Simulated blood cultures were used to compare the three automated blood culture systems...
September 1, 2016: Clinical Laboratory
https://www.readbyqxmd.com/read/28129707/fluorescence-in-situ-hybridization-fish-in-the-microbiological-diagnostic-routine-laboratory-a-review
#9
REVIEW
Hagen Frickmann, Andreas Erich Zautner, Annette Moter, Judith Kikhney, Ralf Matthias Hagen, Henrik Stender, Sven Poppert
Early identification of microbial pathogens is essential for rational and conservative antibiotic use especially in the case of known regional resistance patterns. Here, we describe fluorescence in situ hybridization (FISH) as one of the rapid methods for easy identification of microbial pathogens, and its advantages and disadvantages for the diagnosis of pathogens in human infections in the laboratory diagnostic routine. Binding of short fluorescence-labeled DNA or nucleic acid-mimicking PNA probes to ribosomes of infectious agents with consecutive analysis by fluorescence microscopy allows identification of bacterial and eukaryotic pathogens at genus or species level...
May 2017: Critical Reviews in Microbiology
https://www.readbyqxmd.com/read/28124968/-accurate-diagnosis-of-pseudomonas-luteola-in-routine-microbiology-laboratory-on-the-occasion-of-two-isolates
#10
Muharrem Çiçek, Gülşen Hasçelik, H Kaan Müştak, K Serdar Diker, Burçin Şener
Pseudomonas luteola which was previously known as Chryseomonas luteola; is a gram-negative, non-fermentative, aerobic, motile, non-spore-forming bacillus. It is frequently found as a saprophyte in soil, water and other damp environments and is an opportunistic pathogen in patients with underlying medical disorders or with indwelling catheters. It has been reported as an uncommon cause of bacteremia, sepsis, septic arthritis, meningitis, endocarditis, and peritonitis. Thus, early and accurate identification of this rare species is important for the treatment and also to provide information about the epidemiology of P...
October 2016: Mikrobiyoloji Bülteni
https://www.readbyqxmd.com/read/28122803/a-decade-of-development-of-chromogenic-culture-media-for-clinical-microbiology-in-an-era-of-molecular-diagnostics
#11
REVIEW
John D Perry
In the last 25 years, chromogenic culture media have found widespread application in diagnostic clinical microbiology. In the last decade, the range of media available to clinical laboratories has expanded greatly, allowing specific detection of additional pathogens, including Pseudomonas aeruginosa, group B streptococci, Clostridium difficile, Campylobacter spp., and Yersinia enterocolitica. New media have also been developed to screen for pathogens with acquired antimicrobial resistance, including vancomycin-resistant enterococci, carbapenem-resistant Acinetobacter spp...
April 2017: Clinical Microbiology Reviews
https://www.readbyqxmd.com/read/28087144/-contribution-of-microbiology-in-the-diagnosis-of-tuberculosis-in-castile-and-le%C3%A3-n-spain-findings-of-the-grumicale-2013-study
#12
Ramiro López-Medrano, Teresa Nebreda-Mayoral, M Fé Brezmes-Valdivieso, Susana García-de Cruz, Begoña Nogueira-González, Rafael Sánchez-Arroyo, Almudena Tinajas-Puertas, Nieves Gutiérrez-Zufiaurre, Cristina Labayru-Echeverría, Susana Hernando-Real, Luis López-Urrutia, Octavio Rivero-Lezcano, Belén Ullivarri-Francia, Raquel Rodríguez-Tarazona, Isabel Antolín-Ayala
INTRODUCTION AND OBJECTIVES: A retrospective study was conducted by collecting microbiological tuberculosis (TB) data in Castile and León during the year 2013 in order to determine the incidence and distribution of TB, and resistance to the tuberculostatic drug, and compare them with the epidemiological data provided by the Department of Epidemiological Surveillance (SIVE). MATERIAL AND METHODS: Microbiologists of the 14 hospitals of the Castile and León public health network (GRUMICALE) collected epidemiological, microbiological, and management data from the Microbiology laboratories in the community during the year 2013...
January 10, 2017: Enfermedades Infecciosas y Microbiología Clínica
https://www.readbyqxmd.com/read/28068884/evaluation-of-protein-spectra-cluster-analysis-for-streptococcus-spp-identification-from-various-swine-clinical-samples
#13
Carlos E C Matajira, Luisa Z Moreno, Vasco T M Gomes, Ana Paula S Silva, Renan E Mesquita, Daniela S Doto, Franco F Calderaro, Fernando N de Souza, Ana Paula G Christ, Maria Inês Z Sato, Andrea M Moreno
Traditional microbiological methods enable genus-level identification of Streptococcus spp. isolates. However, as the species of this genus show broad phenotypic variation, species-level identification or even differentiation within the genus is difficult. Herein we report the evaluation of protein spectra cluster analysis for the identification of Streptococcus species associated with disease in swine by means of matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS). A total of 250 S...
January 1, 2017: Journal of Veterinary Diagnostic Investigation
https://www.readbyqxmd.com/read/28067541/listeria-monocytogenes-circulating-in-rabbit-meat-products-and-slaughterhouses-in-italy-prevalence-data-and-comparison-among-typing-results
#14
Alessandra De Cesare, Antonio Parisi, Renzo Mioni, Damiano Comin, Alex Lucchi, Gerardo Manfreda
Rabbit meat has outstanding dietetic and nutritional properties. However, few data on microbiological hazards associated with rabbit productions are available. In this study, the presence of Listeria monocytogenes was determined in 430 rabbit carcasses, 256 rabbit meat cuts and products, and 599 environmental sponges collected from four Italian rabbit slaughterhouses over a period of 1 year. Prevalence of L. monocytogenes among the 1285 rabbit meat and environmental samples was 11%, with statistically significant differences between slaughterhouses...
January 9, 2017: Foodborne Pathogens and Disease
https://www.readbyqxmd.com/read/28066816/from-genomes-to-phenotypes-traitar-the-microbial-trait-analyzer
#15
Aaron Weimann, Kyra Mooren, Jeremy Frank, Phillip B Pope, Andreas Bremges, Alice C McHardy
The number of sequenced genomes is growing exponentially, profoundly shifting the bottleneck from data generation to genome interpretation. Traits are often used to characterize and distinguish bacteria and are likely a driving factor in microbial community composition, yet little is known about the traits of most microbes. We describe Traitar, the microbial trait analyzer, which is a fully automated software package for deriving phenotypes from a genome sequence. Traitar provides phenotype classifiers to predict 67 traits related to the use of various substrates as carbon and energy sources, oxygen requirement, morphology, antibiotic susceptibility, proteolysis, and enzymatic activities...
November 2016: MSystems
https://www.readbyqxmd.com/read/28053214/the-bactec-fx-blood-culture-system-detects-brucella-melitensis-bacteremia-in-adult-patients-within-the-routine-1-week-incubation-period
#16
Moshe Sagi, Lior Nesher, Pablo Yagupsky
The performance of the Bactec FX blood culture system for detecting Brucella bacteremia within the routine 1-week incubation period was assessed in a prospective study conducted in an area in southern Israel in which Brucella melitensis is endemic. Aerobic vials (BD Bactec Plus Aerobic/F medium) inoculated with blood specimens obtained from adult patients with positive Rose-Bengal screening test results were monitored for 4 consecutive weeks, and blind subcultures of negative vials were performed on solid media on days 7 and 28...
March 2017: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/28043600/benefits-and-challenges-of-molecular-diagnostics-for-childhood-tuberculosis
#17
Cristina Gutierrez
Expanding tuberculosis (TB)-diagnostic services, including access to rapid tests, is a World Health Organization (WHO) strategy to accelerate progress toward ending TB. Faster and more sensitive molecular tests capable of diagnosing TB and drug-resistant TB have the technical capacity to address limitations associated with smears and cultures by increasing accuracy and shortening turnaround times as compared with those of these conventional laboratory methods. Nucleic acid amplification assays used to detect and analyze Mycobacterium tuberculosis (MTB)-complex nucleic acids can be used directly on specimens from patients suspected of having TB...
December 2016: International Journal of Mycobacteriology
https://www.readbyqxmd.com/read/28003626/methods-of-rapid-microbiological-assay-and-their-application-to-pharmaceutical-and-medical-device-fabrication
#18
REVIEW
Hideharu Shintani
 There are several rapid microbiological methods becoming available that have useful applications in pharmaceutical and medical devices. They are ATP bioluminescence, fluorescent labeling, electrical resistance, and nucleic acid probes. In choosing to employ rapid methods, the microbiologist should examine their prospective performances against the specific requirements for that sector. Some methods may require expensive equipment and offer full automation, and others represent only a small investment. The regulatory view of these methods is changing and they still officially have not been approved in medical and pharmaceutical area, but it will still be up to the microbiologist to demonstrate that the method chosen is fit for the purpose intended...
2016: Biocontrol Science
https://www.readbyqxmd.com/read/27993473/evaluation-of-%C3%AE-d-glucuronidase-and-particle-size-distribution-for-microbiological-water-quality-monitoring-in-northern-vietnam
#19
Anna Ender, Nadine Goeppert, Felix Grimmeisen, Nico Goldscheider
In many karst regions in developing countries, the populations often suffer from poor microbial water quality and are frequently exposed to bacterial pathogens. The high variability of water quality requires rapid assays, but the conventional cultivation-based analysis of fecal indicator bacteria, such as Escherichia coli (E. coli), is very time-consuming. In this respect, the measurement of the enzymatic activity of E. coli could prove to be a valuable tool for water quality monitoring. A mobile automated prototype device was used for the investigation of β-d-glucuronidase (GLUC) activity at a remote karst spring, connected to a sinking surface stream, in Northern Vietnam...
February 15, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/27955641/microbial-phenomics-information-extractor-micropie-a-natural-language-processing-tool-for-the-automated-acquisition-of-prokaryotic-phenotypic-characters-from-text-sources
#20
Jin Mao, Lisa R Moore, Carrine E Blank, Elvis Hsin-Hui Wu, Marcia Ackerman, Sonali Ranade, Hong Cui
BACKGROUND: The large-scale analysis of phenomic data (i.e., full phenotypic traits of an organism, such as shape, metabolic substrates, and growth conditions) in microbial bioinformatics has been hampered by the lack of tools to rapidly and accurately extract phenotypic data from existing legacy text in the field of microbiology. To quickly obtain knowledge on the distribution and evolution of microbial traits, an information extraction system needed to be developed to extract phenotypic characters from large numbers of taxonomic descriptions so they can be used as input to existing phylogenetic analysis software packages...
December 13, 2016: BMC Bioinformatics
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