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Annals of Clinical Microbiology and Antimicrobials

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https://www.readbyqxmd.com/read/28061852/the-occurrence-of-esbl-producing-escherichia-coli-carrying-aminoglycoside-resistance-genes-in-urinary-tract-infections-in-saudi-arabia
#1
Essam J Alyamani, Anamil M Khiyami, Rayan Y Booq, Majed A Majrashi, Fayez S Bahwerth, Elena Rechkina
BACKGROUND: The infection and prevalence of extended-spectrum β-lactamases (ESBLs) is a worldwide problem, and the presence of ESBLs varies between countries. In this study, we investigated the occurrence of plasmid-mediated ESBL/AmpC/carbapenemase/aminoglycoside resistance gene expression in Escherichia coli using phenotypic and genotypic techniques. METHODS: A total of 58 E. coli isolates were collected from hospitals in the city of Makkah and screened for the production of ESBL/AmpC/carbapenemase/aminoglycoside resistance genes...
January 6, 2017: Annals of Clinical Microbiology and Antimicrobials
https://www.readbyqxmd.com/read/27938381/assessment-of-antibiotic-resistance-in-klebsiella-pneumoniae-exposed-to-sequential-in-vitro-antibiotic-treatments
#2
Jeongjin Kim, Ara Jo, Ekachai Chukeatirote, Juhee Ahn
BACKGROUND: Bacteria treated with different classes of antibiotics exhibit changes in susceptibility to successive antibiotic treatments. This study was designed to evaluate the influence of sequential antibiotic treatments on the development of antibiotic resistance in Klebsiella pneumoniae associated with β-lactamase and efflux pump activities. METHODS: The antibiotic susceptibility, β-lactamase activity, and efflux activity were determined in K. pneumoniae grown at 37 °C by adding initial (0 h) and second antibiotics (8 or 12 h)...
December 9, 2016: Annals of Clinical Microbiology and Antimicrobials
https://www.readbyqxmd.com/read/27887603/genetic-elements-associated-with-antimicrobial-resistance-among-avian-pathogenic-escherichia-coli
#3
Amal Awad, Nagah Arafat, Mohamed Elhadidy
BACKGROUND: Avian-pathogenic Escherichia coli (APEC) are pathogenic strains of E. coli that are responsible for one of the most predominant bacterial disease affecting poultry worldwide called avian colibacillosis. This study describes the genetic determinants implicated in antimicrobial resistance among APEC isolated from different broiler farms in Egypt. METHODS: A total of 116 APEC were investigated by serotyping, antimicrobial resistance patterns to 10 antimicrobials, and the genetic mechanisms underlying the antimicrobial-resistant phenotypes...
November 25, 2016: Annals of Clinical Microbiology and Antimicrobials
https://www.readbyqxmd.com/read/27876059/a-prospective-observational-cohort-study-in-primary-care-practices-to-identify-factors-associated-with-treatment-failure-in-staphylococcus-aureus-skin-and-soft-tissue-infections
#4
Grace C Lee, Ronald G Hall, Natalie K Boyd, Steven D Dallas, Liem C Du, Lucina B Treviño, Sylvia B Treviño, Chad Retzloff, Kenneth A Lawson, James Wilson, Randall J Olsen, Yufeng Wang, Christopher R Frei
BACKGROUND: The incidence of outpatient visits for skin and soft tissue infections (SSTIs) has substantially increased over the last decade. The emergence of community-associated methicillin-resistant Staphylococcus aureus (CA-MRSA) has made the management of S. aureus SSTIs complex and challenging. The objective of this study was to identify risk factors contributing to treatment failures associated with community-associated S. aureus skin and soft tissue infections SSTIs. METHODS: This was a prospective, observational study among 14 primary care clinics within the South Texas Ambulatory Research Network...
November 22, 2016: Annals of Clinical Microbiology and Antimicrobials
https://www.readbyqxmd.com/read/27686610/management-of-infection-by-the-zika-virus
#5
Melissa Barreto Falcao, Sergio Cimerman, Kleber Giovanni Luz, Alberto Chebabo, Helena Andrade Brigido, Iza Maria Lobo, Artur Timerman, Rodrigo Nogueira Angerami, Clovis Arns da Cunha, Helio Arthur Bacha, Jesse Reis Alves, Alexandre Naime Barbosa, Ralcyon Francis Teixeira, Leonardo Weissmann, Priscila Rosalba Oliveira, Marco Antonio Cyrillo, Antonio Carlos Bandeira
A panel of national experts was convened by the Brazilian Infectious Diseases Society in order to organize the national recommendations for the management of zika virus infection. The focus of this document is the diagnosis, both clinical and laboratorial, and appropriate treatment of the diverse manifestations of this infection, ranging from acute mild disease to Guillain-Barré syndrome and also microcephaly and congenital malformations.
September 29, 2016: Annals of Clinical Microbiology and Antimicrobials
https://www.readbyqxmd.com/read/27663999/bibliometric-analysis-of-global-scientific-research-on-carbapenem-resistance-1986-2015
#6
Waleed M Sweileh, Naser Y Shraim, Samah W Al-Jabi, Ansam F Sawalha, Adham S AbuTaha, Sa'ed H Zyoud
BACKGROUND: Antimicrobial resistance is a global public health challenge and carbapenem resistance, in particular, is considered an urgent global health threat. This study was carried out to give a bibliometric overview of literature on carbapenem resistance. In specific, number of publications, top productive countries and institutes, highly cited articles, citation analysis, co-authorships, international collaboration, top active authors, and journals publishing articles on carbapenem resistance were analyzed and discussed...
September 23, 2016: Annals of Clinical Microbiology and Antimicrobials
https://www.readbyqxmd.com/read/27647271/molecular-characterization-of-staphylococcus-aureus-isolates-from-various-healthcare-institutions-in-nairobi-kenya-a-cross-sectional-study
#7
Geoffrey Omuse, Kristien Nel Van Zyl, Kim Hoek, Shima Abdulgader, Samuel Kariuki, Andrew Whitelaw, Gunturu Revathi
BACKGROUND: Staphylococcus aureus (S. aureus) has established itself over the years as a major cause of morbidity and mortality both within the community and in healthcare settings. Methicillin resistant S. aureus (MRSA) in particular has been a major cause of nosocomial infections resulting in significant increase in healthcare costs. In Africa, the MRSA prevalence has been shown to vary across different countries. In order to better understand the epidemiology of MRSA in a setting, it is important to define its population structure using molecular tools as different clones have been found to predominate in certain geographical locations...
September 20, 2016: Annals of Clinical Microbiology and Antimicrobials
https://www.readbyqxmd.com/read/27647140/ethnomedicines-and-anti-parasitic-activities-of-pakistani-medicinal-plants-against-plasmodia-and-leishmania-parasites
#8
REVIEW
Akash Tariq, Muhammad Adnan, Rahila Amber, Kaiwen Pan, Sakina Mussarat, Zabta Khan Shinwari
BACKGROUND: Leishmaniasis and malaria are the two most common parasitic diseases and responsible for large number of deaths per year particularly in developing countries like Pakistan. Majority of Pakistan population rely on medicinal plants due to their low socio-economic status. The present review was designed to gather utmost fragmented published data on traditionally used medicinal plants against leishmaniasis and malaria in Pakistan and their scientific validation. METHODS: Pub Med, Google Scholar, Web of Science, ISI Web of knowledge and Flora of Pakistan were searched for the collection of data on ethnomedicinal plants...
September 20, 2016: Annals of Clinical Microbiology and Antimicrobials
https://www.readbyqxmd.com/read/27646968/emerging-azithromycin-resistance-among-the-neisseria-gonorrhoeae-strains-isolated-in-hungary
#9
Alexandra Brunner, Eva Nemes-Nikodem, Csaba Jeney, Dora Szabo, Marta Marschalko, Sarolta Karpati, Eszter Ostorhazi
BACKGROUND: In the 1990s, azithromycin became the drug of choice for many infectious diseases but emerging resistance to the drug has only been reported in the last decade. In the last 5 years, the National Neisseria gonorrhoeae Reference Laboratory of Hungary (NNGRLH) has also observed an increased number of N. gonorrhoeae strains resistant to azithromycin. The aim of this study was to determine the most frequent sequence types (ST) of N. gonorrhoeae related to elevated levels of azithromycin MIC (minimal inhibitory concentration)...
September 20, 2016: Annals of Clinical Microbiology and Antimicrobials
https://www.readbyqxmd.com/read/27581729/smear-positive-pulmonary-tuberculosis-and-associated-factors-among-homeless-individuals-in-dessie-and-debre-birhan-towns-northeast-ethiopia
#10
Tsedale Semunigus, Belay Tessema, Setegn Eshetie, Feleke Moges
BACKGROUND: Tuberculosis (TB) remains one of the globe's deadliest communicable diseases. The homeless individuals are at high risk to acquire TB and multi-drug resistant TB (MDR-TB), because of their poor living conditions and risky behaviors. Tuberculosis and MDR-TB in the homeless individuals can pose a risk to entire communities. However, the magnitude of the problem is not known in Ethiopia. Therefore, the aim of this study was to determine the prevalence and associated factors of smear positive pulmonary TB (PTB) and MDR-TB among homeless individuals in Dessie and Debre Birhan towns, Northeast Ethiopia...
August 31, 2016: Annals of Clinical Microbiology and Antimicrobials
https://www.readbyqxmd.com/read/27539221/trends-in-paediatric-and-adult-bloodstream-infections-at-a-ghanaian-referral-hospital-a-retrospective-study
#11
Noah Obeng-Nkrumah, Appiah-Korang Labi, Naa Okaikor Addison, Juliana Ewuramma Mbiriba Labi, Georgina Awuah-Mensah
BACKGROUND: Bloodstream infections (BSI) are life-threatening emergencies. Identification of the common pathogens and their susceptibility patterns is necessary for timely empirical intervention. METHODS: We conducted a 4-year retrospective analysis of blood cultures from all patients excluding neonates at the Korle-Bu Teaching hospital, Ghana, from January 2010 through December 2013. Laboratory report data were used to determine BSI, blood culture contamination, pathogen profile, and antimicrobial resistance patterns...
August 18, 2016: Annals of Clinical Microbiology and Antimicrobials
https://www.readbyqxmd.com/read/27530257/a-combination-of-silver-nanoparticles-and-visible-blue-light-enhances-the-antibacterial-efficacy-of-ineffective-antibiotics-against-methicillin-resistant-staphylococcus-aureus-mrsa
#12
Fatma Elzahraa Akram, Tarek El-Tayeb, Khaled Abou-Aisha, Mohamed El-Azizi
BACKGROUND: Silver nanoparticles (AgNPs) are potential antimicrobials agents, which can be considered as an alternative to antibiotics for the treatment of infections caused by multi-drug resistant bacteria. The antimicrobial effects of double and triple combinations of AgNPs, visible blue light, and the conventional antibiotics amoxicillin, azithromycin, clarithromycin, linezolid, and vancomycin, against ten clinical isolates of methicillin-resistant Staphylococcus aureus (MRSA) were investigated...
August 17, 2016: Annals of Clinical Microbiology and Antimicrobials
https://www.readbyqxmd.com/read/27503600/performance-evaluation-of-a-rapid-whole-blood-immunoassay-for-the-detection-of-igg-antibodies-against-helicobacter-pylori-in-daily-clinical-practice
#13
Dietmar Enko, Gabriele Halwachs-Baumann, Robert Stolba, Ortrun Rössler, Gernot Kriegshäuser
BACKGROUND: A growing number of rapid Helicobacter pylori antibody tests are commercially available now, however, some of these tests are often used without sufficient evaluation. The aim of this study was to evaluate the performance of a commercially available rapid whole-blood immunoassay (gabControl(®) H. pylori; gabmed GmbH, Köln, Germany), for the qualitative detection of IgG antibodies against H. pylori with the (13)C-urea breath test ((13)C-UBT) serving as a reference method...
August 8, 2016: Annals of Clinical Microbiology and Antimicrobials
https://www.readbyqxmd.com/read/27501688/development-of-a-fast-and-low-cost-qpcr-assay-for-diagnosis-of-acute-gas-pharyngitis
#14
Mustafa Kolukirik, Mesut Yılmaz, Orhan Ince, Canan Ketre, Ayşe Istanbullu Tosun, Bahar K Ince
BACKGROUND: Group A streptococci (GAS) are the most common bacterial cause of acute pharyngitis and account for 15-30 % of cases of acute pharyngitis in children and 5-10 % of cases in adults. In this study, a real-time quantitative PCR (qPCR) based GAS detection assay in pharyngeal swab specimens was developed. METHODS: The qPCR assay was compared with the gold standard bacterial culture and a rapid antigen detection test (RADT) to evaluate its clinical performance in 687 patients...
August 8, 2016: Annals of Clinical Microbiology and Antimicrobials
https://www.readbyqxmd.com/read/27496125/comparison-of-methods-for-the-identification-of-microorganisms-isolated-from-blood-cultures
#15
COMPARATIVE STUDY
Aydir Cecília Marinho Monteiro, Carlos Magno Castelo Branco Fortaleza, Adriano Martison Ferreira, Ricardo de Souza Cavalcante, Alessandro Lia Mondelli, Eduardo Bagagli, Maria de Lourdes Ribeiro de Souza da Cunha
BACKGROUND: Bloodstream infections are responsible for thousands of deaths each year. The rapid identification of the microorganisms causing these infections permits correct therapeutic management that will improve the prognosis of the patient. In an attempt to reduce the time spent on this step, microorganism identification devices have been developed, including the VITEK(®) 2 system, which is currently used in routine clinical microbiology laboratories. METHODS: This study evaluated the accuracy of the VITEK(®) 2 system in the identification of 400 microorganisms isolated from blood cultures and compared the results to those obtained with conventional phenotypic and genotypic methods...
August 5, 2016: Annals of Clinical Microbiology and Antimicrobials
https://www.readbyqxmd.com/read/27480419/reviewer-acknowledgement-2015
#16
Hakan Leblebicioglu
No abstract text is available yet for this article.
August 1, 2016: Annals of Clinical Microbiology and Antimicrobials
https://www.readbyqxmd.com/read/27465344/antimicrobial-nodule-specific-cysteine-rich-peptides-disturb-the-integrity-of-bacterial-outer-and-inner-membranes-and-cause-loss-of-membrane-potential
#17
Kata R Mikuláss, Krisztina Nagy, Balázs Bogos, Zsolt Szegletes, Etelka Kovács, Attila Farkas, György Váró, Éva Kondorosi, Attila Kereszt
BACKGROUND: Certain legume plants produce a plethora of AMP-like peptides in their symbiotic cells. The cationic subgroup of the nodule-specific cysteine-rich (NCR) peptides has potent antimicrobial activity against gram-negative and gram-positive bacteria as well as unicellular and filamentous fungi. FINDINGS: It was shown by scanning and atomic force microscopies that the cationic peptides NCR335, NCR247 and Polymyxin B (PMB) affect differentially on the surfaces of Sinorhizobium meliloti bacteria...
July 28, 2016: Annals of Clinical Microbiology and Antimicrobials
https://www.readbyqxmd.com/read/27449770/chikdenmazika-syndrome-the-challenge-of-diagnosing-arboviral-infections-in-the-midst-of-concurrent-epidemics
#18
EDITORIAL
Alberto E Paniz-Mondolfi, Alfonso J Rodriguez-Morales, Gabriela Blohm, Marilianna Marquez, Wilmer E Villamil-Gomez
No abstract text is available yet for this article.
July 22, 2016: Annals of Clinical Microbiology and Antimicrobials
https://www.readbyqxmd.com/read/27334498/efficacy-and-safety-profile-of-linezolid-in-the-treatment-of-multidrug-resistant-mdr-and-extensively-drug-resistant-xdr-tuberculosis-a-systematic-review-and-meta-analysis
#19
REVIEW
Akosua Adom Agyeman, Richard Ofori-Asenso
BACKGROUND: Treatment options for drug-resistant tuberculosis are still limited. Linezolid has been recommended for treatment of patients with multidrug-resistant (MDR) or extensively-drug-resistant (XDR) tuberculosis, although uncertainties remain regarding its safety and tolerability in these circumstances. OBJECTIVE: To systematically evaluate the existing evidence regarding the efficacy and tolerability of linezolid in the treatment of MDR or XDR tuberculosis...
June 22, 2016: Annals of Clinical Microbiology and Antimicrobials
https://www.readbyqxmd.com/read/27328762/performance-evaluation-of-three-automated-identification-systems-in-detecting-carbapenem-resistant-enterobacteriaceae
#20
Qingwen He, Weiyuan Chen, Liya Huang, Qili Lin, Jingling Zhang, Rui Liu, Bin Li
BACKGROUND: Carbapenem-resistant Enterobacteriaceae (CRE) is prevalent around the world. Rapid and accurate detection of CRE is urgently needed to provide effective treatment. Automated identification systems have been widely used in clinical microbiology laboratories for rapid and high-efficient identification of pathogenic bacteria. However, critical evaluation and comparison are needed to determine the specificity and accuracy of different systems. The aim of this study was to evaluate the performance of three commonly used automated identification systems on the detection of CRE...
June 21, 2016: Annals of Clinical Microbiology and Antimicrobials
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