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https://www.readbyqxmd.com/read/28342937/molecular-epidemiology-of-staphylococcus-aureus-nasal-colonization-among-patients-and-their-parents-guardian-in-an-iranian-referral-hospital
#1
Babak Pourakbari, Mahmoud Khodabandeh, Shima Mahmoudi, Farah Sabouni, Alireza Aziz-Ahari, Abbas Bahador, Sepideh Keshavarz Valian, Reihaneh Hosseinpour Sadeghi, Setareh Mamishi
INTRODUCTION: Carriage of Staphylococcus aureus in the nose appears to play a key role in the epidemiology and pathogenesis of infection. It is important to investigate the genetic relatedness of S. aureus and MRSA clones in different geographic regions. The aim of this study was to assess the nasal carriage rate of S. aureus, including MRSA strains in both hospitalized children and general adult population (parents/guardian). In addition, antibiotic susceptibility pattern and molecular diversity of S...
March 22, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28341979/are-third-generation-cephalosporins-unavoidable-for-empirical-therapy-of-community-acquired-pneumonia-in-adult-patients-who-require-icu-admission-a-retrospective-study
#2
Geoffroy Hariri, Jacques Tankovic, Pierre-Yves Boëlle, Vincent Dubée, Guillaume Leblanc, Claire Pichereau, Simon Bourcier, Naike Bigé, Jean-Luc Baudel, Arnaud Galbois, Hafid Ait-Oufella, Eric Maury
BACKGROUND: Third-generation cephalosporins (3GCs) are recommended for empirical antibiotic therapy of community-acquired pneumonia (CAP) in patients requiring ICU admission. However, their extensive use could promote the emergence of extended-spectrum beta-lactamases-producing Enterobacteriaceae. Our aim was to assess whether the use of 3GCs in patients with CAP requiring ICU admission was justified. METHODS: We assessed all patients with CAP who required ICU admission during a 7-year period...
December 2017: Annals of Intensive Care
https://www.readbyqxmd.com/read/28341099/invitro-apramycin-activity-against-multidrug-resistant-acinetobacter-baumannii-and-pseudomonas-aeruginosa
#3
Anthony D Kang, Kenneth P Smith, George M Eliopoulos, Anders H Berg, Christopher McCoy, James E Kirby
The in vitro activity of apramycin was compared to that of amikacin, gentamicin, and tobramycin against multidrug-resistant, extensively drug-resistant, and pandrug-resistant Acinetobacter baumannii and Pseudomonas aeruginosa. Apramycin demonstrated an MIC50/MIC90 of 8/32μg/ml for A. baumannii and 16/32μg/ml for P. aeruginosa. Only 2% of A. baumannii and P. aeruginosa had an MIC greater than an epidemiological cutoff value of 64μg/ml. In contrast, the MIC50/MIC90 for amikacin, gentamicin, and tobramycin were ≥64/>256μg/ml for A...
March 16, 2017: Diagnostic Microbiology and Infectious Disease
https://www.readbyqxmd.com/read/28339675/high-reported-rates-of-antimicrobial-resistance-in-indian-neonatal-and-pediatric-blood-stream-infections
#4
Dhanya Dharmapalan, Anita Shet, Vijay Yewale, Mike Sharland
Background.: There is real shortage of national data on antimicrobial resistance rates in Indian neonates and children. A descriptive review was conducted to determine the patterns of antimicrobial resistance in isolates of blood stream infection among hospitalized children in India. Methods.: Published and gray literature on antibiotic resistance in children was searched using "Google Scholar", "Scopus", and "PubMed" databases between January 2000 and July 2015...
February 18, 2017: Journal of the Pediatric Infectious Diseases Society
https://www.readbyqxmd.com/read/28337079/comparison-of-amikacin-pharmacokinetics-in-neonates-following-implementation-of-a-new-dosage-protocol
#5
Kaitlin M Hughes, Peter N Johnson, Michael P Anderson, Kris C Sekar, Robert C Welliver, Jamie L Miller
OBJECTIVES: The primary aim was to compare attainment of goal serum amikacin concentrations using two dosage regimens in patients admitted to a neonatal intensive care unit. Secondary objectives included comparison of percentages of supratherapeutic trough concentrations, and subtherapeutic and supratherapeutic peak concentrations. METHODS: This was an Institutional Review Board-approved, retrospective study of neonates receiving amikacin during January-December 2013 (group 1) and January-December 2014 (group 2)...
January 2017: Journal of Pediatric Pharmacology and Therapeutics: JPPT: the Official Journal of PPAG
https://www.readbyqxmd.com/read/28336136/antimicrobial-susceptibility-of-2906-pseudomonasaeruginosa-clinical-isolates-obtained-from-patients-in-canadian-hospitals-over-a-period-of-8-years-results-of-the-canadian-ward-surveillance-study-canward-2008-2015
#6
Andrew Walkty, Philippe Lagace-Wiens, Heather Adam, Melanie Baxter, James Karlowsky, Michael R Mulvey, Melissa McCracken, George G Zhanel
Pseudomonas aeruginosa is an important nosocomial pathogen. The purpose of this study was to evaluate the antimicrobial susceptibility profile of P. aeruginosa clinical isolates obtained from inpatients and outpatients at hospitals across Canada from January 2008 to December 2015 (CANWARD Study). Susceptibility testing was performed using broth microdilution, as described by the Clinical and Laboratory Standards Institute. In total, 2906 P. aeruginosa isolates were evaluated. The percentage of isolates susceptible to common antipseudomonal antimicrobials was: colistin 94...
January 2017: Diagnostic Microbiology and Infectious Disease
https://www.readbyqxmd.com/read/28333709/mycobacterium-fortuitum-bloodstream-infection-in-a-very-low-birth-weight-preterm-neonate
#7
Kate Hodgson, Sandra Isabel, Patrick McNamara, Astrid Petrich, Ari Bitnun
Mycobacterium fortuitum is a rapidly growing Mycobacterium species that is a rare cause of disease, primarily in immunocompromised patients. We present a preterm very low birth weight neonate who developed M. fortuitum bloodstream infection, where 16S rDNA sequencing allowed accurate identification. Cure was achieved by line removal and adjuvant combination treatment with amikacin, ciprofloxacin and clarithromycin.
March 22, 2017: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/28333340/evaluation-of-the-new-genotype-ntm-dr-kit-for-the-molecular-detection-of-antimicrobial-resistance-in-non-tuberculous-mycobacteria
#8
Faiza Mougari, Jade Loiseau, Nicolas Veziris, Christine Bernard, Béatrice Bercot, Wladimir Sougakoff, Vincent Jarlier, Laurent Raskine, Emmanuelle Cambau
Objectives: Non-tuberculous mycobacteria (NTM) are emerging pathogens causing difficult-to-treat infections. We tested a new assay (GenoType NTM-DR) that detects natural and acquired resistance mechanisms to macrolides and aminoglycosides in frequently isolated NTM species. Methods: Performance was assessed on 102 isolates including reference strains [16 Mycobacterium avium , 10 Mycobacterium intracellulare , 8 Mycobacterium chimaera , 15 Mycobacterium chelonae and 53 Mycobacterium abscessus (including subsp...
February 28, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/28333193/increased-activity-of-colistin-in-combination-with-amikacin-against-escherichia-coli-co-producing-ndm-5-and-mcr-1
#9
Yu-Feng Zhou, Meng-Ting Tao, Youjun Feng, Run-Shi Yang, Xiao-Ping Liao, Ya-Hong Liu, Jian Sun
Objectives: Colistin and carbapenem are two lines of last-resort antibiotics against lethal infections caused by MDR Gram-negative pathogens. The emergence of carbapenemase-positive Escherichia coli with colistin resistance poses a serious threat to public health worldwide. Here we report, for the first time (to the best of our knowledge), a novel combination therapy used for the treatment of E. coli co-producing MCR-1 and NDM-5. Methods: The MICs of colistin were determined alone and with 1-4 mg/L amikacin...
February 20, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/28331866/clinical-response-and-outcome-in-patients-with-multidrug-resistant-gram-negative-infections
#10
Masoume Malekolkottab, Lida Shojaei, Hossein Khalili, Mahsa Doomanlou
OBJECTIVE: In this study, frequency and antimicrobial sensitivity pattern of multidrug resistant (MDR) microorganisms were evaluated in a referral teaching hospital in Iran. METHODS: Patients with MDR Gram-negative pathogens were followed during the course of hospitalization. Demographic data, baseline diseases, type of biological sample, isolated microorganism, type of infection, antibiotic regimen before the availability of the culture result and change in the antibiotic regimen following receiving the antibiogram results, response to the treatment regimen, and duration of hospitalization and patient's outcome were considered variables for each recruited patient...
January 2017: Journal of Research in Pharmacy Practice
https://www.readbyqxmd.com/read/28329379/the-lysis-of-pathogenic-escherichia-coli-by-bacteriophages-releases-less-endotoxin-than-betalactams
#11
Nicolas Dufour, Raphaëlle Delattre, Jean-Damien Ricard, Laurent Debarbieux
Background: Beside numerous experimental data assessing phage therapy efficacy, questions regarding safety of this approach are not sufficiently addressed. In particular, as phages can kill bacterial cells within less than 10 minutes, the associated endotoxin release (ER) in severe infections caused by Gram-negative bacteria could be a matter of concern. Methods: Two therapeutic virulent phages and four reference antibiotics were studied in vitro for their ability to kill two pathogenic strains of Escherichia coli and generate an ER...
March 1, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28328294/microbiological-characteristics-and-clinical-outcomes-of-acinetobacter-spp-endophthalmitis-with-the-first-reported-case-of-acinetobacter-haemolyticus-endophthalmitis
#12
Mahima Jhingan, Divya Balakrishnan, Padmaja Kumari Rani, Mudit Tyagi, Joveeta Joseph
AIM: To present the microbiological details and clinical outcomes of Acinetobacter spp. endophthalmitis with the first reported case of A. haemolyticus. METHODS: A retrospective study of microbiologically proven Acinetobacter spp. endophthalmitis was carried out from 2010 to 2015. The data collected included age, type of endophthalmitis, best-corrected visual acuity (BCVA), species involved, and antibiotic susceptibility pattern. The primary outcomes measured were anatomical outcomes in terms of globe integrity and functional outcome as BCVA at last follow-up...
March 22, 2017: Seminars in Ophthalmology
https://www.readbyqxmd.com/read/28320109/protective-effect-of-dexpanthenol-against-nephrotoxic-effect-of-amikacin-an-experimental-study
#13
Elif Ece Doğan, Reha Erkoç, İskender Ekinci, Jamshid Hamdard, Barış Döner, Mehmet Ali Çıkrıkçıoğlu, Cumali Karatoprak, Ganime Çoban, Ömer Faruk Özer, Rümeyza Kazancıoğlu
BACKGROUND: Amikacin has the largest spectrum among aminoglycosides, its nephrotoxic effect limits its utilization. Our purpose in this study is to review the protective effect of dexpanthenol against the nephrotoxic effect of amikacin, accompanied with histopathological and biochemical parameters. METHODS: 32 rats were randomly separated into four groups with eight in each (amikacin (1.2mg/kg/day), amikacin (1.2mg/kg/day)+dexpanthenol (500mg/kg/day), dexpanthenol (500mg/kg/day) and control)...
March 19, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28317803/an-unusual-antibiotic-susceptibility-pattern-in-a-mycobacterium-cosmeticum-strain-isolated-from-the-chesapeake-bay
#14
Vajini Atukorale, Nicholas Boire, Kim Dionne, Stefan Riedel, Nicole Parrish
OBJECTIVE/BACKGROUND: Mycobacterium cosmeticum, first described in 2004, was recovered from a patient undergoing a cosmetic procedure. Subsequently, this species was associated with an outbreak in a nail salon. In all cases, the isolates were susceptible to all antibiotics tested. Recently, however, we recovered a strain of M. cosmeticum from the Chesapeake Bay, resistant to 11 of 14 antimicrobials. The objective of this work was to present our findings on the resistance and susceptibility of this isolate to various antibiotics...
January 2017: International Journal of Mycobacteriology
https://www.readbyqxmd.com/read/28317802/port-site-infections-by-nontuberculous-mycobacterium-a-retrospective-clinico-microbiological-study
#15
Roumi Ghosh, Soumen Das, Asmita De, Harish Kela, Makhan Lal Saha, Prasanta Kumar Maiti
BACKGROUND: Port-site infection (PSI) is a prevailing, chronic, nagging, treatment refractory complication of laparoscopic surgery (LS). It neutralizes the advantages of minimally invasive surgery and increases morbidity, treatment cost of patient, leading to loss of confidence on operating surgeon. PSIs are preventable with appropriate preoperative, intraoperative, and postoperative measures. Atypical mycobacterium is most commonly associated with nonhealing postlaparoscopic wound infections, causing outbreaks or sporadic cases worldwide...
January 2017: International Journal of Mycobacteriology
https://www.readbyqxmd.com/read/28303057/retrospective-survey-and-evaluation-of-first-line-antibiotics-for-chemotherapy-induced-febrile-neutropenia-in-patients-with-acute-myeloid-leukemia
#16
Naoki Mukoyama, Marie Nakashima, Koichi Miyamura, Akira Yoshimi, Yukihiro Noda, Kazuhiro Mori
Patients with acute leukemia are susceptible to chemotherapy-induced severe myelosuppression, and therefore are at a high risk for febrile neutropenia (FN). In such cases, the use of broad-spectrum antibiotics such as fourth-generation cephalosporins and carbapenems is recommended as first-line antimicrobial treatment; however, the effectiveness of these agents in patients with acute myeloid leukemia (AML) has not been investigated in detail. We retrospectively examined and evaluated the effectiveness of first-line antibiotic treatment regimens for chemotherapy-induced FN in patients with AML in Japanese Red Cross Nagoya Daiichi Hospital...
February 2017: Nagoya Journal of Medical Science
https://www.readbyqxmd.com/read/28297817/-distribution-and-drug-resistance-of-nontuberculous-mycobacteria-in-beijing
#17
J Zhang, J R Su, B C Ding, J W Liu, J L Yi, X Y Yang, N H Wang, S M Wang
Objective: To analyze the distribution and drug resistance of nontuberculous mycobacteria(NTM) in Beijing. Methods: Using PCR-fluorescence probe method we identified 1 552 mycobacterial isolates in 2009 and 1 553 mycobacterial isolates in 2013, which were stored by Beijing Research Institute for Tuberculosis Control.All identified NTM strains were confirmed by 16S rRNA gene sequencing, and drug sensitivity testing was performed by using 1% ratio method.SPSS 13.0 was used for statistical analysis. Results: The isolation rate for NTM in 2009 and 2013 was 3...
March 12, 2017: Chinese Journal of Tuberculosis and Respiratory Diseases
https://www.readbyqxmd.com/read/28292273/ocular-bacterial-infections-at-quiha-ophthalmic-hospital-northern-ethiopia-an-evaluation-according-to-the-risk-factors-and-the-antimicrobial-susceptibility-of-bacterial-isolates
#18
Mebrahtu Teweldemedhin, Muthupandian Saravanan, Araya Gebreyesus, Dawit Gebreegziabiher
BACKGROUND: External and intraocular infections can lead to visual impairments, which is a major public health problem. Bacteria are the most frequent pathogens affecting ocular structures; the increasing rate of antimicrobial drug resistance is a worldwide concern. The aim of this study was to determine the occurrence of bacteria in ocular infections, their antimicrobial susceptibility patterns, and risk factors in bacterial ocular infection. METHODS: A hospital based cross-sectional study was conducted from September 2015 to December 2015 at Quiha Ophthalmic Hospital, Tigray, northern Ethiopia...
March 14, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28276116/epidemiology-of-bacterial-conjunctivitis-in-chinchillas-chinchilla-lanigera-49-cases-2005-to-2015
#19
S Ozawa, C Mans, Z Szabo, N Di Girolamo
OBJECTIVES: To evaluate the anamnesis, clinical signs, diagnostic test results, treatment and outcome of chinchillas diagnosed with bacterial conjunctivitis. METHODS: Medical records of 49 chinchillas diagnosed with bacterial conjunctivitis were retrospectively reviewed. Association between clinical signs and type of bacteria involved was determined by means of univariate logistic regression. RESULTS: 61·5% of the isolated bacteria were Gram-negative, and the most common bacterial species was Pseudomonas aeruginosa (50%), followed by Staphylococcus species (26·9%)...
April 2017: Journal of Small Animal Practice
https://www.readbyqxmd.com/read/28264656/antimicrobial-susceptibilities-of-aerobic-and-facultative-gram-negative-bacilli-isolated-from-chinese-patients-with-urinary-tract-infections-between-2010-and-2014
#20
Qiwen Yang, Hui Zhang, Yao Wang, Zhipeng Xu, Ge Zhang, Xinxin Chen, Yingchun Xu, Bin Cao, Haishen Kong, Yuxing Ni, Yunsong Yu, Ziyong Sun, Bijie Hu, Wenxiang Huang, Yong Wang, Anhua Wu, Xianju Feng, Kang Liao, Yanping Luo, Zhidong Hu, Yunzhuo Chu, Juan Lu, Jianrong Su, Bingdong Gui, Qiong Duan, Shufang Zhang, Haifeng Shao, Robert E Badal
BACKGROUND: The objective of this study was to investigate the distribution and susceptibility of aerobic and facultative Gram-negative bacilli isolated from Chinese patients with UTIs collected within 48 h (community acquired, CA) or after 48 h (hospital acquired, HA) of hospital admission. METHODS: From 2010 to 2014, the minimum inhibitory concentrations (MICs) of 12 antibiotics for 4,332 aerobic and facultative Gram-negative bacilli, sampled in 21 hospitals in 16 cities, were determined by the broth microdilution method...
March 6, 2017: BMC Infectious Diseases
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