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https://www.readbyqxmd.com/read/28333193/increased-activity-of-colistin-in-combination-with-amikacin-against-escherichia-coli-co-producing-ndm-5-and-mcr-1
#1
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/28332765/combating-blood-stream-infections-during-induction-chemotherapy-in-children-with-acute-myeloid-leukemia-single-center-results-in-india
#2
Divya Subburaj, Ramya Uppuluri, Dhaarani Jayaraman, Venkateshwaran Vellaichamyswaminathan, Sathishkumar Kandath, Revathi Raj
Optimal management of infectious complication is the biggest challenge in children receiving chemotherapy for acute myeloid leukemia (AML). We have analyzed the data of children undergoing AML induction chemotherapy at our center from 2002 to 2016 and found that Gram-negative infections are more predominant when compared to the published literature. There also has been a surge in multidrug-resistant (MDR) infections over the last 4 years, which has increased the need for supportive care and escalated the cost of care...
March 23, 2017: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/28331866/clinical-response-and-outcome-in-patients-with-multidrug-resistant-gram-negative-infections
#3
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/28331350/risk-factors-for-multidrug-resistant-tuberculosis-among-tuberculosis-patients-a-case-control-study
#4
Abdulhalik Workicho, Wondwosen Kassahun, Fessahaye Alemseged
BACKGROUND: Multidrug-resistant tuberculosis (MDR-TB) did not receive major attention until recently in sub-Saharan Africa where the tuberculosis incidence and risk factors are highest. Factors leading to development of drug resistance need to be understood to develop appropriate control strategies for national programs. The objective of this study was to identify the risk factors for MDR-TB among tuberculosis patients. METHODS: A case-control study was conducted to assess sociodemographic, behavioral and clinical risk factors using a structured questionnaire and clinical record reviewing...
2017: Infection and Drug Resistance
https://www.readbyqxmd.com/read/28330178/emergence-of-mixed-infection-of-beijing-non-beijing-strains-among-multi-drug-resistant-mycobacterium-tuberculosis-in-pakistan
#5
Samar Mustafa, Hasnain Javed, Jawairia Hashmi, Nazia Jamil, Zarfishan Tahir, Abdul Majeed Akhtar
Tuberculosis (TB) remains as one of the deadliest diseases after HIV globally with 95 % of deaths confined to low-and-middle income countries. Pakistan is fifth among the 22 high-burden TB countries with the incidence rate of 230/100,000 persons, however, studies related to prevalent Mycobacterium tuberculosis strains and their spread, drug resistance pattern and evolutionary genetics are inadequate. The present study was undertaken to highlight the circulation of M. tuberculosis strains causing drug resistant TB in our community by targeting the molecular marker IS6110 and then characterization of these strains as Beijing and Non-Beijing genotypes...
June 2016: 3 Biotech
https://www.readbyqxmd.com/read/28329303/high-burden-of-antimicrobial-resistance-and-mortality-among-adults-and-children-with-community-onset-bacterial-infections-in-india
#6
Vidya Mave, Ajay Chandanwale, Anju Kagal, Sandhya Khadse, Dileep Kadam, Renu Bharadwaj, Vaishali Dohe, Matthew Robinson, Aarti Kinikar, Samir Joshi, Priyanka Raichur, Katie McIntire, Savita Kanade, Jonathan Sachs, Chhaya Valvi, Usha Balasubramanian, Vandana Kulkarni, Aaron M Milstone, Ivan Marbaniang, Jonathan Zenilman, Amita Gupta
Background.: In India, antimicrobial consumption is high, yet systematically collected data on the epidemiology, risk factors and outcomes of antimicrobial resistant (AMR) infections are limited. Methods.: A prospective study of adults and children hospitalized for acute febrile illness (AFI) was conducted between August 2013 and December 2015. In-hospital outcomes were recorded, and logistic regression was performed to identify independent predictors of AMR community-onset infections...
March 3, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28329197/systematic-review-meta-analysis-and-cost-effectiveness-of-treatment-of-latent-tuberculosis-infection-to-reduce-progression-to-multidrug-resistant-tuberculosis
#7
Suzanne M Marks, Sundari R Mase, Sapna Bamrah Morris
Background: Evidence-based recommendations for treating persons having presumed latent tuberculosis infection (LTBI) after contact to infectious multidrug-resistant tuberculosis (MDR TB) are lacking because published data consist of small observational studies. TB incidence in persons treated for latent multidrug-resistant-TB infection (MDR LTBI) is unknown. Methods: We conducted a systematic review of studies published (1/1/1994-12/31/2014) to analyze TB incidence, treatment completion and discontinuation, and cost effectiveness...
March 14, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28326447/in-vitro-activity-of-tedizolid-and-linezolid-against-staphylococcus-epidermidis-isolated-from-prosthetic-joint-infections
#8
C Littorin, B Hellmark, Å Nilsdotter-Augustinsson, B Söderquist
Prosthetic joint infections (PJIs) are rare but long-lasting and are serious complications without any spontaneous resolution, requiring additional surgery and long-term treatment with antibiotics. Staphylococci are the most important aetiological agents of PJIs, and among the coagulase-negative staphylococci Staphylococcus epidermidis is the most common. However, S. epidermidis often displays multidrug resistance (MDR), demanding additional treatment options. The objective was to examine the effectiveness of tedizolid and linezolid against S...
March 22, 2017: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/28323149/the-effect-of-tobramycin-incorporated-with-bismuth-ethanedithiol-loaded-on-niosomes-on-the-quorum-sensing-and-biofilm-formation-of-pseudomonas-aeruginosa
#9
Faeze Mahdiun, Shahla Mansouri, Payam Khazaeli, Rasoul Mirzaei
Pseudomonas aeruginosa is an opportunistic pathogen, enable of causing infections especially in immunocompromised patients. Recently many isolates developed multiple drug resistance, resulting in treatment failure in serious infections. In this study, the effect of tobramycin incorporated with bismuth-ethanedithiol loaded on niosomes on the quorum sensing and biofilm production by P. aeruginosa was evaluated. Thin layer hydration method with cholesterol (30%), Span 40 and Tween 40 were used to make niosomes...
March 18, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28320357/outcome-of-neurological-early-rehabilitation-patients-carrying-multi-drug-resistant-bacteria-results-from-a-german-multi-center-study
#10
J D Rollnik, M Bertram, C Bucka, M Hartwich, M Jöbges, G Ketter, B Leineweber, M Mertl-Rötzer, D A Nowak, T Platz, K Scheidtmann, R Thomas, F von Rosen, C W Wallesch, H Woldag, P Peschel, J Mehrholz, M Pohl
BACKGROUND: Colonization or infection with multi-drug resistant (MDR) bacteria is considered detrimental to the outcome of neurological and neurosurgical early rehabilitation patients. METHODS: In a German multi-center study, 754 neurological early rehabilitation patients were enrolled and and reviewed in respect to MDR status, length of stay (LOS) and the following outcome variables: Barthel Index (BI), Early Rehabilitation Index (ERI), Glasgow Outcome Score Extended (GOSE), Coma Remission Scale (CRS), Functional Ambulation Categories (FAC)...
March 20, 2017: BMC Neurology
https://www.readbyqxmd.com/read/28320336/multidrug-resistant-tuberculosis-in-ethiopian-settings-and-its-association-with-previous-history-of-anti-tuberculosis-treatment-a-systematic-review-and-meta-analysis
#11
Setegn Eshetie, Mucheye Gizachew, Mulat Dagnew, Gemechu Kumera, Haile Woldie, Fekadu Ambaw, Belay Tessema, Feleke Moges
BACKGROUND: Efforts to control the global burden of tuberculosis (TB) have been jeopardized by the rapid evolution of multi-drug resistant Mycobacterium tuberculosis (MTB), which is resistant to at least isoniazid and rifampicin. Previous studies have documented variable prevalences of multidrug-resistant tuberculosis (MDR-TB) and its risk factors in Ethiopia. Therefore, this meta-analysis is aimed, firstly, to determine the pooled prevalence of MDR-TB among newly diagnosed and previously treated TB cases, and secondly, to measure the association between MDR-TB and a history of previous anti-TB drugs treatment...
March 20, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28315729/pharmacodynamics-of-tigecycline-alone-and-in-combination-with-colistin-against-clinical-isolates-of-multidrug-resistant-acinetobacter-baumannii-in-an-in-vitro-pharmacodynamic-model
#12
Xuejiu Cai, Zhen Yang, Jianqiang Dai, Kun Chen, Huiliang Liu, Wentao Ni, Chuanqi Wei, Junchang Cui
The objectives of this study, which were based on the hypothesis of mutant prevention concentration (MPC), were to compare tigecycline and colistin monotherapy and combination therapy against multidrug-resistant Acinetobacter baumannii (MDR-AB) and to identify changes in the susceptibility of the organism using an in vitro pharmacodynamic model. Human free-drug concentration profiles of colistin and tigecycline used alone and in combination were simulated against four clinical MDR-AB isolates over 24 h. Pharmacodynamic activity was measured as log10 CFU/mL and as the area under the bactericidal curve (AUBC)...
March 16, 2017: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/28306563/antimicrobial-resistant-gram-negative-infections-in-neonates-burden-of-disease-and-challenges-in-treatment
#13
Laura Folgori, Julia Bielicki, Paul T Heath, Mike Sharland
PURPOSE OF REVIEW: This review summarizes the main challenges of antimicrobial resistance (AMR) in the neonatal population with a special focus on multidrug-resistant (MDR) Gram-negative pathogens. RECENT FINDINGS: MDR-Gram-negative bacteria are a great concern in the neonatal population, with a worldwide rise in the reported incidence and with very limited therapeutic options. Extended-spectrum β-lactamase and carbapenem-resistant Enterobacteriaceae (CRE) have been reported as responsible for neonatal ICU outbreaks...
March 16, 2017: Current Opinion in Infectious Diseases
https://www.readbyqxmd.com/read/28304213/characterization-of-the-genetic-environment-of-the-blaveb-4-gene-associated-with-a-transposable-region-in-a-proteus-mirabilis-clinical-isolate
#14
Paula Espinal, Elisenda Miró, Laia Ramoneda, Manel Flores, Alba Rivera, Pere Coll, Ferran Navarro
Proteus mirabilis is the second most common cause of urinary tract infections and is also an important cause of nosocomial infections. TEM-type and CTX-M-type extended-spectrum β-lactamases (ESBLs) are the most widely distributed in this bacterial species, but minor ESBLs such as the VEB-type have also been identified. The aim of this study was to analyze the genetic environment of the blaVEB-4 gene found in a P. mirabilis clinical isolate recovered in Spain. P. mirabilis N2231 showed resistance to penicillins, cephalosporins, and aminoglycosides, remaining susceptible to imipenem, cefoxitin, β-lactamases inhibitors, and quinolones...
March 17, 2017: Microbial Drug Resistance: MDR: Mechanisms, Epidemiology, and Disease
https://www.readbyqxmd.com/read/28303897/synergistic-efficacy-of-bisbenzimidazole-and-carbonyl-cyanide-3-chlorophenylhydrazone-combination-against-mdr-bacterial-strains
#15
Devapriya Sinha, Stuti Pandey, Raja Singh, Vinod Tiwari, Kirti Sad, Vibha Tandon
Activation of efflux systems and the formation of biofilm are majorly adapted by microbes to resist antimicrobial agents. PPEF (bisbenzimidazole) targeting topoisomerase IA is observed to be an effective bactericidal agent against both Gram-positive and Gram-negative bacterial strains and thus can be developed as potent broad-spectrum antibiotic against MDR strains. PPEF treatment did not cause target specific mutation instead it leads to up-regulation of efflux gene in E. coli K12 as a mechanism of resistance...
March 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28299457/current-trends-of-human-infections-and-antibiotic-resistance-of-the-genus-shewanella
#16
REVIEW
K Yousfi, S Bekal, V Usongo, A Touati
Shewanella spp. are commonly known as environmental bacteria and are most frequently isolated from aquatic areas. Currently, diseases syndromes and multidrug resistance have increasingly been reported in the genus Shewanella. Some species are associated with various infections, such as skin and soft tissue infections, as well as bacteremia. Generally, these bacteria are opportunistic and mostly affect people with an impaired immune system. This genus is also a probable vehicle and progenitor of antibiotic resistance genes...
March 15, 2017: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/28295043/chlorin-e6-mediated-photodynamic-inactivation-for-multidrug-resistant-pseudomonas-aeruginosa-keratitis-in-mice-in-vivo
#17
Ming-Feng Wu, Mona Deichelbohrer, Thomas Tschernig, Matthias W Laschke, Nóra Szentmáry, Dirk Hüttenberger, Hans-Jochen Foth, Berthold Seitz, Markus Bischoff
Following corneal epithelium scratches, mouse corneas were infected with the multidrug resistant (MDR) P. aeruginosa strain PA54. 24 hours later, 0% (for control group), 0.01%, 0.05% or 0.1% Chlorin e6 (Ce6), a second generation photosensitizer derived from chlorophyll, was combined with red light, for photodynamic inactivation (PDI). 1 hour or 2 days later, entire mouse eyes were enucleated and homogenized for counting colony forming units (CFU) of P. aeruginosa. For comparison, 0.1% Ce6 mediated PDI was started at 12 hours post infection, and 0...
March 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28291943/a-new-combination-of-a-pleuromutilin-derivative-and-doxycycline-for-treatment-of-multidrug-resistant-acinetobacter-baumannii
#18
Shajila Siricilla, Katsuhiko Mitachi, Junshu Yang, Shakiba Eslamimehr, Maddie R Lemieux, Bernd Meibohm, Yinduo Ji, Michio Kurosu
Multidrug-resistant (MDR) Acinetobacter baumannii is one of the most difficult Gram-negative bacteria to treat and eradicate. In a cell-based screening of pleuromutilin derivatives against a drug sensitive A. baumannii strain, new molecules (2-4) exhibit bacteriostatic activity with 3.13 μg/mL concentration and 1 shows bactericidal activity with an MBC of 6.25 μg/mL. The pleuromutilin derivative 1 displays strong synergistic effects with doxycycline in a wide range of concentrations. A 35/1 ratio of 1 and doxycycline (1-Dox 35/1) kills drug susceptible A...
March 22, 2017: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28291507/comparison-of-the-efficacies-of-three-empirically-selected-antibiotics-for-treating-acinetobacter-baumannii-pulmonary-infection-experience-from-a-teaching-hospital-in-china%C3%A2
#19
Ping Li, Xiaobo Wang, Weixia Wang, Xiaojing Zhao
OBJECTIVE: Infections due to multidrug- and extensively drug-resistant forms of Acinetobacter baumannii (MDR-AB and XDR-AB, respectively) have become increasingly prevalent. This retrospective study compared the outcomes of patients infected with MDR-AB or XDR-AB and treated with one of three antibiotics. METHODS: Enrolled were patients with MDR-AB or XDR-AB pulmonary infection based on their first sputum culture. Patients were treated empirically with carbapenems (n = 46), tigecycline (n = 25), or cefoperazone/sulbactam (cefina-SB; n = 35)...
March 14, 2017: International Journal of Clinical Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28289362/study-on-biofilm-formation-in-burn-wound-infection-in-a-pediatric-hospital-in-chennai-india
#20
M Ramakrishnan, S Putli Bai, M Babu
Infection is one of the major causes of death in pediatric burns in India. This work was conducted in an exclusive Children's Hospital (KKCTH) with a total of 220 beds, of which ten beds in the burn unit and two isolation beds in the 28-bed PICU are for burns patients (more than 20% TBSA burns) with sepsis. In this study, 30 burn wound swab isolates obtained from 14 pediatric burns patients (admitted to the burns ward and transferred to PICU) from November 2013 to March 2014 were investigated. Cultures were done on the first day for all patients and empirical antibiotic administration was started for those with septic burns (14 in total) with piperacillin-tazobactam and vancomycin...
December 31, 2016: Annals of Burns and Fire Disasters
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