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https://www.readbyqxmd.com/read/28739228/listeria-monocytogenes-in-raw-milk-milking-equipment-and-dairy-workers-molecular-characterization-and-antimicrobial-resistance-patterns
#1
Asmaa B M B Tahoun, Rasha M M Abou Elez, Eman N Abdelfatah, Ibrahim Elsohaby, Attia A El-Gedawy, Ahmed M Elmoslemany
OBJECTIVES: The aim of this study was to evaluate the genetic relatedness and patterns of antimicrobial resistance amongst L. monocytogenes isolated from raw milk, milking equipment, and hand swabs from farm workers in dairy farms. METHODS: A total of 300 samples of raw milk, milking equipment, and hand swabs were collected from four dairy farms to examine the presence of Listeria species. Suspected isolates were further identified by VITEK-2 system and Polymerase Chain Reaction (PCR)...
July 21, 2017: Journal of Global Antimicrobial Resistance
https://www.readbyqxmd.com/read/28736358/-emergence-of-methicillin-resistant-staphylococcus-aureus-sccmec-type-iv-v-epidemic-clones-in-a-large-teaching-hospital-in-china
#2
Yi-Ming Zhong, Rui Yuan, Jian-Sheng Ding, Fang Yang, Wen-En Liu
OBJECTIVE: To investigate the staphylococcal cassette chromosome mec (SCCmec) genotype and molecular epidemiological characteristics of healthcare-associated methicillin-resistant Staphylococcus aureus (HA-MRSA) in a large teaching hospital in China. METHDOS: From January 2012 to December 2012, a total of 71 nonduplicate HA-MRSA were collected in a teaching hospital in Changsha, China. SCCmec types were determined by multiplex PCR, and Panton-Valentine leukocidin (PVL) gene was detected by PCR...
July 20, 2017: Nan Fang Yi Ke da Xue Xue Bao, Journal of Southern Medical University
https://www.readbyqxmd.com/read/28736259/molecular-epidemiology-and-antimicrobial-susceptibility-of-clostridium-difficile-isolated-from-the-chinese-people-s-liberation-army-general-hospital-in-china
#3
Rui Wang, Hui Xia Chen, Lin Jian Song, Yue Yun Shen, Yan Ping Luo
Clostridium difficile is a gram-positive, spore-forming obligate anaerobe responsible for antibiotic-associated diarrhea. Its virulence is associated with the production of endotoxins A and B and endospores, which can cause symptoms, such as diarrhea, toxic megacolon and pseudomembranous colitis. Given the increasing elderly population and the well-recognized problem of over-prescribing of broad spectrum antibiotics, it is critical to understand molecular epidemiology and antimicrobial susceptibility in China...
July 20, 2017: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/28734506/phenotypic-and-genetic-characteristics-of-fluoroquinolone-and-methicillin-resistant-staphylococcus-aureus
#4
Antonio Moreno-Flores, Carmen Potel-Alvarellos, Susana Otero-Varela, Maximiliano Álvarez-Fernández
INTRODUCTION: Fluoroquinolone resistance in methicillin-resistant Staphylococcus aureus (MRSA) has increased in recent years. The objective of this study was to characterise two MRSA populations, one susceptible to fluoroquinolones and other resistant identifying the clonal types and the differential characteristics of both MRSA populations. METHODS: Molecular typing using PFGE, MLST, spa and SSCmec was performed on 192 MRSA strains isolated from 2009 to 2011, 49 only oxacillin-resistant (OX-R) and 143 oxacillin and levofloxacin-resistant (OX-R-LEV-R)...
July 19, 2017: Enfermedades Infecciosas y Microbiología Clínica
https://www.readbyqxmd.com/read/28733908/assessment-of-cultivable-oral-bacterial-flora-from-important-venomous-snakes-of-india-and-their-antibiotic-susceptibilities
#5
Innus K Shaikh, Prashant P Dixit, Balasaheb S Pawade, Mugdha Potnis-Lele, Babasaheb P Kurhe
Snakebite is a common, frequently devastating, occupational, socio-economic hazard, and it has a great impact on the rural population of India. Snakebite is a major cause of the human morbidity and mortality since ancient times, as it not only affects the victim by systemic envenomation but also by wound infections originating from deadly pathogenic microorganisms from the oral cavity of the offending snake. The pathogens from the oral cavity of the snake tend to initiate an infection, resulting in gas gangrene, soft tissue necrosis, and permanent physical disabilities...
July 21, 2017: Current Microbiology
https://www.readbyqxmd.com/read/28732784/secondary-antibiotic-resistance-of-helicobacter-pylori-isolates-in-israeli-children-and-adults
#6
Johad Khoury, Yuval Geffen, Ron Shaul, Hisham Sholy, Yehuda Chowers, Tarek Saadi
BACKGROUND: Failure of standard therapy for H. pylori infections results primarily from increasing antibiotic resistance. Patients in Israel are referred for H. pylori culture after failure of at least two therapeutic regimens. OBJECTIVES: To estimate the prevalence of secondary antimicrobial resistance of H. pylori in Israel. METHODS: We retrospectively collected results of H. pylori cultures performed by gastric biopsies at Rambam Health Care Campus, Haifa, Israel, between the years 2012-2015...
July 18, 2017: Journal of Global Antimicrobial Resistance
https://www.readbyqxmd.com/read/28729210/deficiency-of-quorum-sensing-system-inhibits-the-resistance-selection-of-pseudomonas-aeruginosa-to-ciprofloxacin-and-levofloxacin-in-vitro
#7
Yating Gao, Jinju Duan, Xin Geng, Zhiqi Zhang, Ruiqin Zhang, Xiaoxia Li, Shuyun Wang, Jianbang Kang, Donghong Yin, Yan Song
OBJECTIVES: The objective was to investigate how deficient of quorum sensing system (QS) affects minimal inhibitory concentrations (MICs) of Pseudomonas aeruginosa strains to ciprofloxacin (CIP) and levofloxacin (LEV) in vitro. METHODS: Collected the clinical Pseudomonas aeruginosa isolates. Screened the strains deficient of QS genes by the PCR agarose electrophoresis, and then randomly picked out normal strains with the same number of deficient ones. All strains incubated on the different CIP-concentration Mueller-Hinton agars for five days, the different concentrations of CIP respectively refered to 0...
July 17, 2017: Journal of Global Antimicrobial Resistance
https://www.readbyqxmd.com/read/28721078/incomplete-recovery-of-the-fecal-flora-of-hematological-patients-with-neutropenia-and-repeated-fluoroquinolone-prophylaxis
#8
Yong Chong, Shinji Shimoda, Noriko Miyake, Takatoshi Aoki, Yoshikiyo Ito, Tomohiko Kamimura, Nobuyuki Shimono
BACKGROUND: Routine fluoroquinolone prophylaxis in neutropenic patients with hematological malignancies is still controversial, because of antibiotic resistance concerns. The recovery of the fecal microbiota to the initial composition in patients receiving multiple courses of quinolone prophylaxis and repeated chemotherapy has not been evaluated. METHODS: We prospectively examined the changes in the fecal bacterial composition before and after levofloxacin prophylaxis...
2017: Infection and Drug Resistance
https://www.readbyqxmd.com/read/28719592/ten-day-quadruple-therapy-comprising-proton-pump-inhibitor-bismuth-tetracycline-and-levofloxacin-is-more-effective-than-standard-levofloxacin-triple-therapy-in-the-second-line-treatment-of-helicobacter-pylori-infection-a-randomized-controlled-trial
#9
Ping-I Hsu, Feng-Woei Tsai, Sung-Shuo Kao, Wen-Hung Hsu, Jin-Shiung Cheng, Nan-Jing Peng, Kuo-Wang Tsai, Huang-Ming Hu, Yao-Kuang Wang, Seng-Kee Chuah, Angela Chen, Deng-Chyang Wu
OBJECTIVES: Proton pump inhibitor (PPI)-amoxicillin-fluoroquinolone triple therapy is recommended as a second-line treatment of Helicobacter pylori infection in the Maastricht V/Florence Consensus Report. However, the eradication rate of this standard salvage treatment is suboptimal. The objective of this study is to compare the efficacy of esomeprazole-bismuth-tetracycline-levofloxacin therapy (TL quadruple therapy) and esomeprazole-amoxicillin-levofloxacin triple therapy (AL triple therapy) in rescue treatment for H...
July 18, 2017: American Journal of Gastroenterology
https://www.readbyqxmd.com/read/28719375/compounded-levofloxacin-triple-therapy-is-safe-and-effective-for-refractory-helicobacter-pylori
#10
Xian-Jun Mah, Vikas Gupta, Srey Neth Loch, Golo Ahlenstiel, David van de Poorten
Failure of first line and subsequent Helicobacter pylori therapy is a significant problem, as alternate treatments are cumbersome and difficult to access. The purpose of this study was to evaluate the efficacy and safety of a compounded levofloxacin triple therapy in clinical practice as a second or third-line salvage regimen for Helicobacter pylori. Patients referred after first or subsequent treatment failures were prescribed compounded levofloxacin 500 mg, amoxicillin 1 g, and esomeprazole 40 mg, all twice daily for 10 days...
July 2017: International Journal of Pharmaceutical Compounding
https://www.readbyqxmd.com/read/28717368/community-acquired-methicillin-resistant-staphylococcus-aureus-carriage-rate-and-antimicrobial-susceptibility-in-a-tertiary-center-iran
#11
Shervin Shokouhi, Ilad Alavi Darazam, Mohammad-Hossein Zamanian
BACKGROUND: This study was aimed to determine frequency and antimicrobial susceptibility of Community-acquired methicillin-resistant Staphylococcus aureus (CA-MRSA) among colonized patients in outpatient status. MATERIALS AND METHODS: A total of 2000 nasal nares specimens were collected and inoculated on mannitol salt agar. MRSAs were identified based on mannitol positivity and coagulase test followed by cefoxitin disc diffusion test. Antimicrobial susceptibility of MRSA isolates was performed by E-test method for vancomycin and doxycycline as well as disc diffusion method for sulfamethoxazole-trimethoprim (SMX-TMP), erythromycin, linezolid, and clindamycin...
2017: Journal of Research in Medical Sciences: the Official Journal of Isfahan University of Medical Sciences
https://www.readbyqxmd.com/read/28711387/serotype-distribution-and-antimicrobial-susceptibility-pattern-in-children%C3%A2-5years-with-invasive-pneumococcal-disease-in-india-a-systematic-review
#12
REVIEW
Jyotsana Singh, Suba Sundaresan, Anand Manoharan, Anita Shet
BACKGROUND: Streptococcus pneumoniae is a leading cause of childhood diseases that result in significant morbidity and mortality in India. Commercially licensed and available pneumococcal conjugate vaccines (PCVs) include ten (PCV-10) and 13 (PCV-13) pneumococcal serotypes. Vaccines with other serotype combinations are under development. Reviewing and reporting trends and distribution of pneumococcal serotypes causing invasive pneumococcal disease in India will be useful for policy making as PCV is being introduced into India's universal immunization program...
July 12, 2017: Vaccine
https://www.readbyqxmd.com/read/28706384/antimicrobial-susceptibility-risk-factors-and-prevalence-of-bla-cefotaximase-temoneira-and-sulfhydryl-variable-genes-among-escherichia-coli-in-community-acquired-pediatric-urinary-tract-infection
#13
Kallyadan V Nisha, Shetty A Veena, Shenoy D Rathika, Shenoy M Vijaya, Shetty K Avinash
INTRODUCTION: The emergence of extended-spectrum beta-lactamase (ESBL)-producing Escherichia coli has become an important challenge among pediatric patients with community-acquired urinary tract infection (UTI). OBJECTIVES: The aim of this study was to assess the antimicrobial susceptibility patterns, associated risk factors and to survey the frequency of bla cefotaximase (CTX-M), bla temoneira (TEM), and bla sulfhydryl variable (SHV) genotypes in ESBL-producing E...
July 2017: Journal of Laboratory Physicians
https://www.readbyqxmd.com/read/28705668/in-vitro-activity-of-the-novel-fluorocycline-eravacycline-against-carbapenem-non-susceptible-acinetobacter-baumannii
#14
Harald Seifert, Danuta Stefanik, Joyce A Sutcliffe, Paul G Higgins
The activity of eravacycline was compared with anti-Acinetobacter reference antimicrobials against carbapenem non-susceptible Acinetobacter baumannii isolates associated with an acquired OXA or up-regulation of the intrinsic OXA-51-like enzyme. Antimicrobial susceptibility testing was performed by broth microdilution of 286 non-duplicate, carbapenem non-susceptible A. baumannii isolates to eravacycline, amikacin colistin, doxycycline, imipenem, levofloxacin, meropenem, minocycline, sulbactam, tigecycline, and tobramycin...
July 10, 2017: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/28705666/in-vitro-activity-of-ceftolozane-tazobactam-against-pseudomonas-aeruginosa-and-enterobacteriaceae-isolates-recovered-from-hospitalized-patients-in-germany
#15
Harald Seifert, Barbara Körber-Irrgang, Michael Kresken
To evaluate the activity of ceftolozane/tazobactam in comparison with other broad-spectrum antimicrobials against Pseudomonas aeruginosa and Enterobacteriaceae, 497 non-duplicate P. aeruginosa and 802 Enterobacteriaceae clinical isolates were consecutively collected during the period from September 2014 to April 2015 from patients in Germany with bloodstream, lower respiratory tract, intraabdominal or urinary tract infections. Antimicrobial susceptibility testing was performed by broth microdilution. Results were interpreted according to EUCAST criteria...
July 10, 2017: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/28702160/bk-virus-associated-hemorrhagic-cystitis-in-patients-with-allogeneic-hematopoietic-cell-transplantation-report-of-three-cases
#16
Duygu Mert, Hikmetullah Batgi, Alparslan Merdin, Sabahat Çeken, Mehmet Sinan Dal, Emre Tekgündüz, Fevzi Altuntaş, Mustafa Ertek
BK viras is a human polyoma viras. It is acquired in early childhood and remains life-long latent in the genitourinary system. BK virus replication is more common in receiving immunosuppressive therapy receiving patients and transplant patients. BK virus could cause hemorrhagic cystitis in patients with allogeneic stem cell transplantation. Hemorrhagic cystitis is a serious complication of hematopoietic stem cell transplantation. Hemorrhagic cystitis could cause morbidity and long stay in the hospital. Diagnosis is more frequently determined by the presence of BK virus DNA detected with quantitative or real-time PCR testing in serum or plasma and less often in urine...
June 1, 2017: Hematology Reports
https://www.readbyqxmd.com/read/28702150/adding-ofloxacin-to-standard-triple-drug-regimens-increased-the-helicobacter-pylori-eradication-rate-data-from-randomized-clinical-trial
#17
Mahmoud Sadeghi-Hadad-Zavareh, Seyyedsaeid Mohammadi, Mahmoud Hajiahmadi, Mostafa Javanian, Masoomeh Habibian
BACKGROUND: The rate of Helicobacter pylori (H.pylori) eradication in dyspeptic patients using bismuth- based triple therapy is low due to bacterial that are resistant to antibiotics. The results of recent studies regarding levofloxacin have been encouraging, but the high cost of treatment prevents its routine administration. We, therefore, performed the present double-blind clinical trial to compare the efficiency of quadruple-drug regimen containing ofloxacin, clarithromycin, amoxicillin, and omeprazole and the same standard triple-therapy regimen minus ofloxacin in H...
2017: Caspian Journal of Internal Medicine
https://www.readbyqxmd.com/read/28696232/community-composition-determines-activity-of-antibiotics-against-multispecies-biofilms
#18
Sarah Tavernier, Aurélie Crabbé, Mayram Tuysuz, Liesbeth Stuer, Silke Henry, Petra Rigole, Inne Dhondt, Tom Coenye
In young cystic fibrosis (CF) patients, Staphylococcus aureus is typically the most prevalent organism, while in adults, Pseudomonas aeruginosa is the major pathogen. More recently, it was observed that also Streptococcus anginosus plays an important role in exacerbations of respiratory symptoms. These species are often co-isolated from CF lungs, yet little is known about whether antibiotic killing of one species is influenced by the presence of others. In the present study, we compared the activity of various antibiotics against S...
July 10, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28687280/prevalence-and-characteristics-of-clostridium-perfringens-and-clostridium-difficile-in-dogs-and-cats-attended-in-diverse-veterinary-clinics-from-the-madrid-region
#19
Sergio Álvarez-Pérez, José L Blanco, Celine Harmanus, Ed J Kuijper, Marta E García
Despite extensive research on the epidemiology of pathogenic clostridia in dogs and cats, most published studies focus on a selected animal population and/or a single veterinary medical centre. We assessed the burden of Clostridium perfringens and C. difficile shedding by small animals in 17 veterinary clinics located within the Madrid region (Spain) and differing in size, number and features of animals attended and other relevant characteristics. In addition, we studied the genetic diversity and antibiotic susceptibility of recovered isolates...
July 5, 2017: Anaerobe
https://www.readbyqxmd.com/read/28682727/bacterial-prevalence-and-antibiotic-resistance-in-clinical-isolates-of-diabetic-foot-ulcers-in-the-northeast-of-tamaulipas-mexico
#20
Mario Sánchez-Sánchez, Wendy Lizeth Cruz-Pulido, Eduardo Bladinieres-Cámara, Rodrigo Alcalá-Durán, Gildardo Rivera-Sánchez, Virgilio Bocanegra-García
Diabetic foot ulcers (DFUs) are a serious and common problem in patients with diabetes mellitus and constitute one of the major causes of lower extremity amputation. The microbiological profile of DFUs depends on the acute or chronic character of the wound. Aerobic gram-positive cocci are the predominant organisms isolated from DFUs. Diabetic foot biopsies from patients admitted to the Angiology and Vascular Surgery Hospital of the Northeast, in Reynosa, Tamaulipas from December 2011 to April 2016 were analyzed...
June 2017: International Journal of Lower Extremity Wounds
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