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https://www.readbyqxmd.com/read/29323070/is-diabetes-mellitus-an-important-risk-factor-for-the-antibiotic-resistance-in-extraintestinal-pathogenic-escherichia-coli
#1
Arindam Chakraborty, Shalini Shenoy, Prabha Adhikari, Vishwas Saralaya, Satish Rao
Escherichia coli is a major cause of extraintestinal infections in all age group. However, the infection becomes more severe when patients have some underlying condition such as Diabetes Mellitus. The aim of the study was to determine whether diabetic mellitus may act as an important risk factor for the E. coli to express drug resistance property. This descriptive study was carried out in a multi-specialty tertiary care hospital. One hundred and twenty-seven E. coli isolates from diabetic patients, and one hundred seventy-three isolates from nondiabetic patients were studied...
October 2017: Indian Journal of Pathology & Microbiology
https://www.readbyqxmd.com/read/29319497/comparison-of-the-treatment-efficacy-between-tigecycline-plus-high-dose-cefoperazone-sulbactam-and-tigecycline-monotherapy-against-ventilator-associated-pneumonia-caused-by-extensively-drug-resistant-acinetobacter-baumannii
#2
Youfa Qin, Jie Zhang, Lei Wu, Dailong Zhang, Lunjiao Fu, Xiaoyan Xue
OBJECTIVE: The present study examined the effect of high-dose cefoperazone-sulbactam combined with tigecycline against ventilator-associated pneumonia (VAP) caused by extensively drug-resistant Acinetobacter baumannii (XDR-AB). MATERIALS AND METHODS: 42 patients with VAP due to XDR-AB infection were randomized into two groups: the TIG group (received tigecycline injection) and the TIG+CFS group (received tigecycline and cefoperazone-sulbactam (1 : 1) injection)...
January 10, 2018: International Journal of Clinical Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/29311074/molecular-epidemiology-and-mechanism-of-sulbactam-resistance-in-acinetobacter-baumannii-isolates-with-diverse-genetic-background-in-china
#3
Yunxing Yang, Ying Fu, Peng Lan, Qingye Xu, Yan Jiang, Yan Chen, Zhi Ruan, Shujuan Ji, Xiaoting Hua, Yunsong Yu
Sulbactam is a plausible option for treating Acinetobacter infection because of its intrinsic antibacterial activity against the Acinetobacter genus, but the mechanisms of sulbactam resistance have not been studied fully in Acinetobacter baumannii In this study, a total of 2197 clinical A. baumannii isolates were collected from 27 provinces in China. Eighty-eight isolates with various minimal inhibitory concentrations (MICs) for sulbactam were selected based on their diverse clonality and underwent multilocus sequence typing, antimicrobial-susceptibility testing and resistance gene screening...
January 8, 2018: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/29277663/oat1-and-oat3-also-mediate-the-drug-drug-interaction-between-piperacillin-and-tazobactam
#4
Shijie Wen, Changyuan Wang, Yingjie Duan, Xiaokui Huo, Qiang Meng, Zhihao Liu, Shilei Yang, Yanna Zhu, Huijun Sun, Xiaodong Ma, Siyun Yang, Kexin Liu
This study aimed to demonstrate that organic anion transporters (OATs) mediate the drug-drug interaction (DDI) between piperacillin and tazobactam. After co-administration with piperacillin in rats, the AUC of tazobactam in plasma was significantly increased, and t1/2β was prolonged with significant reduction in plasma clearance, renal clearance and cumulative urinary excretion. In rat and human kidney slices, probenecid, p-aminohippurate and benzylpenicillin inhibited the uptake of piperacillin and tazobactam...
December 22, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/29260856/acinetobacter-baumannii-ompa-is-a-selective-antibiotic-permeant-porin
#5
Ramkumar Iyer, Samir H Moussa, Thomas F Durand-Réville, Ruben Tommasi, Alita Miller
OmpAAb is a conserved, abundantly expressed outer membrane porin in Acinetobacter baumannii whose presumed role in antibiotic permeation has not been clearly demonstrated. In this report, we use a titratable heterologous expression system to express OmpAAb in isolation and demonstrate selective passage of small molecule antibiotics through OmpAAb. ETX2514, a recently discovered broad-spectrum β-lactamase inhibitor, in combination with sulbactam, is currently in clinical testing for the treatment of drug-resistant A...
December 26, 2017: ACS Infectious Diseases
https://www.readbyqxmd.com/read/29249641/a-case-of-liver-abscess-co-infected-with-desulfovibrio-desulfuricans-and-escherichia-coli-and-review-of-the-literature
#6
Tomoo Yamazaki, Satoru Joshita, Eriko Kasuga, Kazuki Horiuchi, Ayumi Sugiura, Naoyuki Fujimori, Michiharu Komatsu, Takeji Umemura, Akihiro Matsumoto, Eiji Tanaka
A 73-year-old woman was admitted with consciousness disturbance following a fever. Abdominal computed tomography revealed a large liver abscess with which the presence of Desulfovibrio desulfuricans and Escherichia coli was confirmed by thorough blood and abscess content culture. Empiric meropenem treatment was switched to cefoperazone/sulbactam, followed by ampicillin/sulbactam based on susceptibility testing. Desulfovibrio desulfuricans is a common bacterium that rarely causes liver abscess and may be overlooked during co-infection due to overgrowth of the accompanying bacteria...
December 14, 2017: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/29244131/reporting-antimicrobial-susceptibilities-and-resistance-phenotypes-in-acinetobacter-spp-a-nationwide-proficiency-study
#7
Felipe Fernández-Cuenca, María Tomás, Francisco-Javier Caballero-Moyano, Germán Bou, Álvaro Pascual
Objectives: To evaluate the proficiency of Spanish microbiology laboratories with respect to the antimicrobial susceptibility testing (AST) of Acinetobacter spp. Methods: Eight Acinetobacter spp. with different resistance mechanisms were sent to 48 Spanish centres which were asked to report: (i) the AST system used; (ii) MICs; (iii) breakpoints used (CLSI versus EUCAST); (iv) clinical category; and (v) resistance mechanisms inferred. Minor, major and very major errors (mE, ME and VME, respectively) were determined...
December 13, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/29237206/-piperacillin-tazobactam-shortage-central-restriction-and-alternative-recommendations-as-effective-antibiotic-stewardship-intervention-at-a-maximal-care-hospital
#8
Johanna Kessel, Barbara Dolff, Thomas Wichelhaus, Nils Keiner, Michael Hogardt, Claudia Reinheimer, Imke Wieters, Sebastian Harder, Volkhard A J Kempf, Christoph Stephan
Background Drug supply bottleneck is a worldwide challenge, e. g. the antibiotics Piperacillin/Tazobactam shortage in 2016/2017. The efficacy of an appropriate replacement management was evaluated at the University Hospital Frankfurt (UHF). Methods The Antibiotic-Stewardship (ABS)-Team at UHF decreed a restriction of PIP/TAZ and provided alternative antibiotic therapy recommendations during the shortage period. Consequences of this intervention on antibiotic consumption and overall costs were investigated...
December 13, 2017: Deutsche Medizinische Wochenschrift
https://www.readbyqxmd.com/read/29224317/-a-multicenter-retrospective-study-of-pathogenic-bacteria-distribution-and-drug-resistance-in-febrile-neutropenic-patients-with-hematological-diseases-in-shanghai
#9
J Zhu, J Hu, Y F Mao, F Y Chen, J Y Zhu, J M Shi, D D Yu, S G Hao, R Tao, P Liu, S Y Gu, J Hou, H Y He, A B Liang, Y Ding, L G Liu, Y H Xie, Q Zhu, Y H Yu, Y H Yao, W Chen, H L Xu, X H Han, C Wang
Objective: To investigate the pathogen spectrum distribution and drug resistance of febrile neutropenic patients with hematological diseases in Shanghai. Methods: A retrospective study was conducted on the clinical isolates from the febrile neutropenic patients hospitalized in the departments of hematology in 12 general hospitals in Shanghai from January 2012 to December 2014. The drug susceptibility test was carried out by Kirby-Bauer method. WHONET 5.6 software was used to analyze pathogenic bacteria and drug susceptibility data...
November 14, 2017: Zhonghua Xue Ye Xue za Zhi, Zhonghua Xueyexue Zazhi
https://www.readbyqxmd.com/read/29215335/previous-antibiotic-exposure-and-antimicrobial-resistance-patterns-of-acinetobacter-spp-and-pseudomonas-aeruginosa-isolated-from-patients-with-nosocomial-infections
#10
Zorana M Djordjevic, Marko M Folic, Slobodan M Jankovic
BACKGROUND: The alarming spread of antibiotic-resistant bacteria causing healthcare-associated infections has been extensively reported in recent medical literature. AIMS: To compare trends in antimicrobial consumption and development of resistance among isolates of Acinetobacter spp. and Pseudomonas aeruginosa that cause hospital infections. STUDY DESIGN: Cross-sectional study. METHODS: A study was conducted in a tertiary healthcare institution in central Serbia, during the 7-year period between January 2009 and December 2015...
December 1, 2017: Balkan Medical Journal
https://www.readbyqxmd.com/read/29207766/successful-management-of-urosepsis-with-ceftriaxone-sulbactam-edta-a-case-report-of-penem-sparing-approach
#11
Amit Bery, Candy Sodhi, Rishu Bhanot
Over the past decade, the Anti-Microbial Resistance (AMR) among members of Enterobacteriaceae family is on rise mainly due to rapid spread of strains producing Extended-Spectrum Beta-Lactamases (ESBLs) and Metallo Beta-Lactamases (MBLs). Hence, the choice of drugs available for these resistant strains is diminishing and their treatment is becoming more challenging. This is a case of complicated Urinary Tract Infection (cUTI) due to ESBL producing E. coli leading to septic shock which was successfully managed with Antibiotic Adjuvant Entity (AAE), a combination of ceftriaxone+sulbactam+EDTA...
September 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/29201318/antibiotic-resistance-status-and-its-costs-in-hematological-patients-a-two-year-analysis
#12
Habip Gedik
Background: Most frequently, empirical antibiotic therapy is immediately administered for patients with febrile neutropenia (FN). In this study, its aim was to assess the antibiotic resistance status and the cost of antibacterial agents in FN patients associated with hematological malignancies. Methods: The cost of antibacterial agents used in FN episodes in patients with hematologic neoplasms followed-up at the Department of Hematology from November 2010 to November 2012 were analyzed retrospectively...
2017: Caspian Journal of Internal Medicine
https://www.readbyqxmd.com/read/29200878/in-vitro-activity-of-colistin-mono-and-combination-therapy-against-colistin-resistant-acinetobacter-baumannii-mechanism-of-resistance-and-clinical-outcomes-of-patients-infected-with-colistin-resistant-a-baumannii-at-a-thai-university-hospital
#13
Yongyut Lertsrisatit, Wichai Santimaleeworagun, Sudaluck Thunyaharn, Jantima Traipattanakul
Purpose: Colistin is a drug of last resort for treating multidrug-resistant Acinetobacter baumannii infections. Unfortunately, colistin-resistant A. baumannii (CoR-AB) has been reported. Here, we examined the in vitro effect of mono- and combined antimicrobials against CoR-AB strains and their resistance mechanism, and evaluated the clinical outcomes of CoR-AB-infected patients. Patients and methods: Seventeen clinical CoR-AB strains were isolated from patients at Phramongkutklao hospital, 2011-2015...
2017: Infection and Drug Resistance
https://www.readbyqxmd.com/read/29198902/inoculum-effect-of-high-concentrations-of-methicillin-susceptible-staphylococcus-aureus-on-the-efficacy-of-cefazolin-and-other-beta-lactams
#14
Masachika Saeki, Masaaki Shinagawa, Yuki Yakuwa, Shinya Nirasawa, Yuki Sato, Nozomi Yanagihara, Satoshi Takahashi
The existence of a cefazolin inoculum effect (InE) of methicillin-susceptible Staphylococcus aureus (MSSA), which is speculated to be a reason for cefazolin treatment failure in MSSA infections, is controversial. In Japan, although cefazolin is one of the therapeutic choices for patients with MSSA infection, there are few reports of this effect. Additionally, the association between InE and blaZ type in beta-lactams other than cefazolin has not been well documented. In this study, we confirmed an MSSA InE in several beta-lactams, including cefazolin, and its relationship with blaZ, using 52 MSSA isolates from blood cultures...
November 30, 2017: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/29188069/simultaneous-isolation-of-chryseobacterium-gleum-from-bloodstream-and-respiratory-tract-first-case-report-from-india
#15
Vidhi Jain, Nayani Amrin Fatema Afzal Hussain, Tasneem Siddiqui, Chinmoy Sahu, Malay Ghar, Kashi Nath Prasad
Introduction. Species of the genus Chryseobacterium are emerging healthcare-associated pathogens, often colonizing the hospital environment. There are no clear guidelines available for antimicrobial susceptibility of this organism. In this report we present the first case, to our knowledge, of simultaneous central-line-associated bloodstream infection (CLABSI) and ventilator-associated pneumonia (VAP) due to Chryseobacterium gleum from India. Case presentation. A 62 years old man with a history of a road traffic accident 1 month previously was referred to our center for further management...
October 2017: JMM Case Reports
https://www.readbyqxmd.com/read/29187917/multi-antibiotic-resistant-extended-spectrum-beta-lactamase-producing-bacteria-pose-a-challenge-to-the-effective-treatment-of-wound-and-skin-infections
#16
Angus Nnamdi Oli, Dennis Emeka Eze, Thaddeus Harrison Gugu, Ifeanyi Ezeobi, Ukamaka Nwakaku Maduagwu, Chibueze Peter Ihekwereme
Introduction: The increasing incidence of antibiotic resistant bacteria is a concern both to the clinicians and the patients due to obvious consequences such as treatment failures, prolonged patients' stay in hospital and nosocomial infections. The choice of the first antibiotic therapy in emergency wards in hospitals is usually not based on patient-specific microbial culture and susceptibility test result.This study is aimed at profiling extended-spectrum beta-lactamase (ESBL) producing bacteria associated with wound injuries and highlighting their multi-antibiotic resistance character...
2017: Pan African Medical Journal
https://www.readbyqxmd.com/read/29182388/pharmacokinetics-of-ampicillin-sulbactam-in-serum-and-synovial-fluid-samples-following-regional-intravenous-perfusion-in-the-distal-portion-of-a-hind-limb-of-adult-cattle
#17
Sarah M Depenbrock, Katharine M Simpson, Andrew J Niehaus, Jeffrey Lakritz, Mark G Papich
OBJECTIVE To describe concentration-over-time data for ampicillin and sulbactam in the digital and systemic circulations and synovial fluid (SYN) of cattle following a single injection of ampicillin-sulbactam as a regional IV perfusion (RIVP). ANIMALS 6 healthy adult nonlactating Jersey-crossbred cows. PROCEDURES The right hind limb of each cow was aseptically prepared. A tourniquet was applied around the midmetatarsal region, and 1.0 g of ampicillin with 0.5 g of sulbactam in a combined formulation was administered as an RIVP into the dorsal common digital vein (DCDV)...
December 2017: American Journal of Veterinary Research
https://www.readbyqxmd.com/read/29164140/phenotypic-and-genotypic-features-of-a-salmonella-heidelberg-strain-isolated-in-broilers-in-brazil-and-their-possible-association-to-antibiotics-and-short-chain-organic-acids-resistance-and-susceptibility
#18
Elizabeth Santin, Ricardo Mitsuo Hayashi, Jessica Caroline Wammes, Ricardo Gonzalez-Esquerra, Marcelo Falsarella Carazzolle, Caio César de Melo Freire, Paulo Sérgio Monzani, Anderson Ferreira da Cunha
Salmonella enterica serovar Heidelberg is a human pathogen also found in broilers. A strain (UFPR1) has been associated with field reports of resistance to short-chain organic acids (SCOA) in broilers in the South of Brazil, but was susceptible to a Bacillus subtilis-based probiotic added in feed in a related study. This work aimed to (i) report clinical symptoms caused by SH UFPR1 in broilers, (ii) study its susceptibility to some antibiotics in vitro, and (iii) SCOA in vivo; and (iv) relate these phenotypic observations with its genome characteristics...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/29151897/community-acquired-infection-with-hypervirulent-clostridium-difficile-isolates-that-carry-different-toxin-and-antibiotic-resistance-loci-a-case-report
#19
Marina Muñoz, Milena Camargo, Dora Inés Ríos-Chaparro, Paula Gómez, Manuel Alfonso Patarroyo, Juan David Ramírez
Background: Clostridium difficile infection (CDI) leads to the onset of antibiotic-associated diarrhea (AAD) and a wide range of gastrointestinal pathologies. Currently, CDI is one of the most important opportunistic infections at the intrahospital level and an exponential increase in community-acquired infections has been reported. Herein, we evaluated the relationships (at phylogenetic and genetic population structure levels), as well as the molecular toxigenic and antibiotic resistance profiles of a set of isolates established from a case of community acquired-CDI...
2017: Gut Pathogens
https://www.readbyqxmd.com/read/29148595/determination-of-cefoperazone-and-sulbactam-in-serum-by-hplc-ms-ms-an-adapted-method-for-therapeutic-drug-monitoring-in-children
#20
Xiu-Jun Wu, Xin Huang, Hai-Yan Shi, Xing-Kai Chen, Qian Dong, Guo-Xiang Hao, Yan Li, Yi Zheng, Wei Zhao
A rapid, accurate and specific high-performance liquid chromatography-tandem mass spectrometry method has been validated for the simultaneous determination of cefoperazone and sulbactam in a small volume sample for children. A Shim-pack XR-ODS C18 column with gradient elution of water (0.1% formic acid) and acetonitrile (0.1% formic acid) solution was used for separation at a flow rate of 0.3 mL/min. The calibration curves of two analytes in serum showed excellent linearity over the concentration ranges of 0...
November 17, 2017: Biomedical Chromatography: BMC
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