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https://www.readbyqxmd.com/read/28526094/patients-with-community-acquired-bacteremia-of-unknown-origin-clinical-characteristics-and-usefulness-of-microbiological-results-for-therapeutic-issues-a-single-center-cohort-study
#1
Johan Courjon, Elisa Demonchy, Nicolas Degand, Karine Risso, Raymond Ruimy, Pierre-Marie Roger
Bacteremia of unknown origin (BUO) are associated with increased mortality compared to those with identified sources. Microbiological data of those patients could help to characterize an appropriate empirical antibiotic treatment before bloodcultures results are available during sepsis of unknown origin. Based on the dashboard of our ward that prospectively records several parameters from each hospitalization, we report 101 community-acquired BUO selected among 1989 bacteremic patients from July 2005 to April 2016, BUO being defined by the absence of clinical and paraclinical infectious focus and no other microbiological samples retrieving the bacteria isolated from blood cultures...
May 19, 2017: Annals of Clinical Microbiology and Antimicrobials
https://www.readbyqxmd.com/read/28521744/determination-of-the-sources-and-antimicrobial-resistance-patterns-of-salmonella-isolated-from-the-poultry-industry-in-southern-ethiopia
#2
Reta Duguma Abdi, Fisseha Mengstie, Ashenafi Feyisa Beyi, Takele Beyene, Hika Waktole, Bedasso Mammo, Dinka Ayana, Fufa Abunna
BACKGROUND: Ethiopia set an ambitious masterplan to increase chicken meat and egg production from 2015 to 2020. Poultry breeding, multiplication and distribution centers in the country have received executive order to import, amplify and distribute commercial chickens to end users. The biosecurity and the pathogen fauna of the centers have not been evaluated as to whether the centers could implement the mission effectively without any risk. Thus, the aim of this study was to evaluate the biosecurity practices and the pathogen prevalence, risk factors and their antimicrobial resistance (AMR) using Salmonella as case study...
May 18, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28516225/a-case-of-bilateral-keratitis-caused-by-providencia-alcalifaciens-a-rarely-encountered-ocular-pathogen
#3
Won Choi, Yong Sok Ji, Kyung Chul Yoon
PURPOSE: To report a case of keratitis caused by Providencia alcalifaciens. METHODS: A 70-year-old man presented with pain, redness, and decreased vision in both of his eyes. On initial presentation, the visual acuity in both of his eyes was hand motion, and slit lamp examination showed diffuse infiltrates and total epithelial defects of the cornea, conjunctival hyperemia, and severe anterior chamber reactions with 2-mm-height hypopyon. The results of laboratory studies revealed elevated liver function tests, which indicated the presence of alcoholic liver disease...
May 17, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/28515641/molecular-typing-and-antimicrobial-susceptibility-of-staphylococcus-aureus-strains-isolated-from-raw-milk-cheese-minced-meat-and-chicken-meat-samples
#4
Hayriye Yeşim Can, Mehmet Elmalı, Alper Karagöz
The objectives of this study were: i) to detect the presence of Staphylococcus aureus and methicillin-resistant S. aureus (MRSA) in raw milk, cheese, beef minced meat, and chicken meat samples; ii) to evaluate the antimicrobial susceptibility of the isolates; and iii) to determine clonal relation among the isolates by using pulsed-field gel electrophoresis (PFGE) method. Therefore, a total of 160 food samples were randomly collected between August 2014 and May 2015 in Hatay province, located in the southern Turkey...
2017: Korean Journal for Food Science of Animal Resources
https://www.readbyqxmd.com/read/28515059/antibiotic-stability-over-six-weeks-in-aqueous-solution-at-body-temperature-with-and-without-heat-treatment-that-mimics-the-curing-of-bone-cement
#5
E Samara, T F Moriarty, L A Decosterd, R G Richards, E Gautier, P Wahl
OBJECTIVES: Thermal stability is a key property in determining the suitability of an antibiotic agent for local application in the treatment of orthopaedic infections. Despite the fact that long-term therapy is a stated goal of novel local delivery carriers, data describing thermal stability over a long period are scarce, and studies that avoid interference from specific carrier materials are absent from the orthopaedic literature. METHODS: In this study, a total of 38 frequently used antibiotic agents were maintained at 37°C in saline solution, and degradation and antibacterial activity assessed over six weeks...
May 2017: Bone & Joint Research
https://www.readbyqxmd.com/read/28513809/oral-gentamicin-therapy-for-carbapenem-resistant-klebsiella-pneumoniae-gut-colonization-in-hematologic-patients-a-single-center-experience
#6
Paola Lambelet, Carlo Tascini, Simona Fortunato, Alessandro Stefanelli, Federico Simonetti, Chiara Vettori, Alessandro Leonildi, Francesco Menichetti
The mortality for carbapenem-resistant Klebsiella pneumoniae (KPC-Kp) infection ranges from 18 to 48% depending on the type of therapy. Mortality rates in hematologic patients are even higher, up to 85%. Gut decontamination with oral gentamicin might be an option to avoid a subsequent KPC-Kp infection in colonized patients. We treated 14 hematologic patients with oral gentamicin, 80 mg four times daily, for 7 to 25 days in order to eradicate KPC-Kp from the gut, starting oral gentamicin therapy when possible after the discontinuation of systemic antibiotic therapy...
May 17, 2017: New Microbiologica
https://www.readbyqxmd.com/read/28513417/carriage-of-extended-spectrum-beta-lactamase-producing-enterobacteriaceae-in-hiv-infected-children-in-zimbabwe
#7
S M S Wilmore, K Kranzer, A Williams, B Makamure, A F Nhidza, J Mayini, T Bandason, J Metcalfe, M P Nicol, I Balakrishnan, M J Ellington, N Woodford, S Hopkins, T D McHugh, R A Ferrand
BACKGROUND: Antimicrobial resistance is an emerging global health issue. Data on the epidemiology of multidrug-resistant organisms are scarce for Africa, especially in HIV-infected individuals who often have frequent contact with healthcare. We investigated the prevalence of extended-spectrum beta-lactamase-producing Enterobacteriaceae (ESBL-E) carriage in stool among HIV-infected children attending an HIV outpatient department in Harare, Zimbabwe. METHODS: We recruited children who were stable on antiretroviral therapy (ART) attending a HIV clinic from August 2014 to June 2015...
May 18, 2017: Journal of Medical Microbiology
https://www.readbyqxmd.com/read/28507482/gentamicin-nephrotoxicity-in-animals-current-knowledge-and-future-perspectives
#8
REVIEW
Pavle Randjelovic, Slavimir Veljkovic, Nenad Stojiljkovic, Dušan Sokolovic, Ivan Ilic
Due to high relative blood flow the kidney is prone to drug-induced damage. Aminoglycoside type antibiotic gentamicin is one of the leading cause of drug-induced nephrotoxicity. In recent years gentamicin nephrotoxicity is significantly reduced by shifting to once daily dosage as well as by eliminating known risk factors. Application of gentamicin is still related to serious side effects which are reported more often compared to other antibiotics. Because gentamicin is still heavily used and is highly efficient in treating infections, it is important to find mechanisms to reduce its nephrotoxicity...
2017: EXCLI journal
https://www.readbyqxmd.com/read/28506721/first-report-of-ndm-1-producing-clinical-isolate-of-leclercia-adecarboxylata-in-spain
#9
Cristina Riazzo, Lorena López-Cerero, María Dolores Rojo-Martín, Yannick Hoyos-Mallecot, Felipe Fernández-Cuenca, Jose Luis Martín-Ruíz, Álvaro Pascual-Hernández, Thierry Naas, Jose María Navarro-Marí
We describe the case of NDM-1-producing Leclercia adecarboxylata recovered from the clinical sample of a patient hospitalized for a trauma-related injury to his foot. The isolate was resistant to all beta-lactams, quinolones, trimetroprim-sulfametoxazol, gentamicin and tobramicyn. The blaNDM-1 gene was located in a conjugative plasmid that also contained the blaSHV-12 gene and was preceded by a disrupted insertion sequence of ISAba125. The plasmid belongs to the incompatibility group X3, which is known to be an important vector for NDM-1 dissemination in China...
May 3, 2017: Diagnostic Microbiology and Infectious Disease
https://www.readbyqxmd.com/read/28506272/prevalence-and-clonal-relationship-of-esbl-producing-salmonella-strains-from-humans-and-poultry-in-northeastern-algeria
#10
Samia Djeffal, Sofiane Bakour, Bakir Mamache, Rachid Elgroud, Amir Agabou, Selma Chabou, Sana Hireche, Omar Bouaziz, Kheira Rahal, Jean-Marc Rolain
BACKGROUND: The aims of this study were to investigate Salmonella contamination in broiler chicken farms and slaughterhouses, to assess the antibiotic resistance profile in avian and human Salmonella isolates, and to evaluate the relationship between avian and human Extended Spectrum β-Lactamase (ESBL)-producing isolates. Salmonella was screened in different sample matrices collected at thirty-two chicken farms and five slaughterhouses. The human isolates were recovered from clinical specimens at the University Teaching Hospital of Constantine (UTH)...
May 15, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/28505331/antimicrobial-susceptibility-of-clinical-isolates-of-neisseria-gonorrhoeae-to-alternative-antimicrobials-with-therapeutic-potential
#11
P R S Lagacé-Wiens, H J Adam, N M Laing, M R Baxter, I Martin, M R Mulvey, J A Karlowsky, D J Hoban, G G Zhanel
Background: The prevalence of MDR Neisseria gonorrhoeae is increasing globally and represents a public health emergency. Development and approval of new anti-gonococcal agents may take years. As a concurrent approach to developing new antimicrobials, the laboratory and clinical evaluation of currently licensed antimicrobials not widely used for the treatment of gonorrhoea may provide new options for the treatment of gonococcal infections. Objectives: To determine the in vitro activity of nine alternative, currently licensed and late-development antimicrobials with the potential to treat gonococcal infections against 112 clinical isolates of N...
May 12, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/28504616/prevalence-and-characterization-of-campylobacter-jejuni-isolated-from-retail-chicken-in-tianjin-china
#12
Hui Ma, Yulan Su, Luyao Ma, Lina Ma, Ping Li, Xinjun Du, Greta Gölz, Shuo Wang, Xiaonan Lu
Campylobacter jejuni is an important foodborne pathogen worldwide; however, there is a lack of information on the prevalence and antibiotic-resistant profile of C. jejuni in the People's Republic of China. We determined the prevalence and characteristics of C. jejuni on the retail level in Tianjin, one of the five national central cities in China. A total of 227 samples of chicken wings, legs, and breasts were collected from supermarkets and wet markets; 42 of these samples were confirmed to be positive for Campylobacter contamination...
May 15, 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/28504095/characterization-of-porcine-trueperella-pyogenes-by-matrix-assisted-laser-desorption-ionization-time-of-flight-mass-spectrometry-maldi-tof-ms-molecular-typing-and-antimicrobial-susceptibility-profiling-in-sao-paulo-state
#13
Luisa Z Moreno, Carlos E C Matajira, Barbara L P da Costa, Thais S P Ferreira, Givago F R Silva, Mauricio C Dutra, Vasco T M Gomes, Ana Paula S Silva, Ana Paula G Christ, Maria Inês Z Sato, Andrea M Moreno
Trueperella pyogenes can be found as a commensal or pathogenic bacterium among animals causing a variety of pyogenic infections in several species. The agent appears to act primarily as an opportunistic pathogen but may disseminate and produce metastatic abscesses accompanied or not by mastitis, metritis or pneumonia. In this study, 30 porcine T. pyogenes strains were identified by MALDI-TOF MS and 16S rRNA sequencing and further evaluated in relation to their resistance and genetic profiles through broth microdilution and single enzyme AFLP...
April 2017: Comparative Immunology, Microbiology and Infectious Diseases
https://www.readbyqxmd.com/read/28503891/the-use-of-intravesical-gentamicin-to-treat-recurrent-urinary-tract-infections-in-lower-urinary-tract-dysfunction
#14
Paul Abrams, Hashim Hashim, Charles Tomson, Alasdair Macgowan, Rachel Skews, Katherine Warren
AIMS: To assess the use of intravesical gentamicin to treat intractable recurrent urinary tract infections in lower urinary tract dysfunction. METHODS: A two-center retrospective cohort study of 27 patients treated with intravesical gentamicin was performed over a 2-year period. A treatment protocol was developed, reviewed, and accepted by the clinical effectiveness committee of both hospitals. Patients were taught to instill the gentamicin into the bladder on a nightly basis...
May 15, 2017: Neurourology and Urodynamics
https://www.readbyqxmd.com/read/28499164/mechanical-properties-and-antibiotic-release-characteristics-of-poly-methyl-methacrylate-based-bone-cement-formulated-with-mesoporous-silica-nanoparticles
#15
Kumaran Letchmanan, Shou-Cang Shen, Wai Kiong Ng, Poddar Kingshuk, Zhilong Shi, Wilson Wang, Reginald B H Tan
The influence of mesoporous silica nanoparticles (MSNs) loaded with antibiotics on the mechanical properties of functional poly(methyl methacrylate)-(PMMA) based bone cements is investigated. The incorporation of MSNs to the bone cements (8.15wt%) shows no detrimental effects on the biomechanical properties of the freshly solidified bone cements. Importantly, there are no significant changes in the compression strength and bending modulus up to 6 months of aging in PBS buffer solution. The preserved mechanical properties of MSN-functionalized bone cements is attributed to the unchanged microstructures of the cements, as more than 96% of MSNs remains in the bone cement matrix to support the cement structures after 6 months of aging...
May 2, 2017: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/28497052/etiological-and-resistance-profile-of-bacteria-involved-in-urinary-tract-infections-in-young-children
#16
Antonio Sorlózano-Puerto, José María Gómez-Luque, Juan de Dios Luna-Del-Castillo, José María Navarro-Marí, José Gutiérrez-Fernández
Background. The objective of this study was to identify the bacteria most frequently responsible for urinary tract infection (UTI) in the population of under-2-year-olds in our geographic area and to evaluate the activity of antibiotics widely used for UTI treatment during a 4-year study period. Materials and Methods. A retrospective analysis was conducted of data on the identification and susceptibility of microorganisms isolated in urine samples from children under 2 years of age. Results. A total of 1,045 uropathogens were isolated...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28496483/antibacterial-activity-of-isolated-immunodominant-proteins-of-naja-naja-oxiana-venom
#17
Mahboobeh Talebi Mehrdar, Rasool Madani, Reza Hajihosseini, Soheila Moradi Bidhendi
The aim of this study is to investigate antibacterial effects of immunodominant proteins isolated from the venom of Naja Naja Oxiana snake against Staphylococcus aureus, Escherichia coli, Bacillus subtilis and Pseudomonas aeruginosa. The innate immune system is an important line of defense against bacterial diseases. Antibacterial peptides and proteins produced by snake venoms have recently attracted significant attention due to their relevance to bacterial diseases and the potential of being converted into new therapeutic agents...
2017: Iranian Journal of Pharmaceutical Research: IJPR
https://www.readbyqxmd.com/read/28496482/evaluation-of-the-synergistic-effect-of-tomatidine-with-several-antibiotics-against-standard-and-clinical-isolates-of-staphylococcus-aureus-enterococcus-faecalis-pseudomonas-aeruginosa-and-escherichia-coli
#18
Rasool Soltani, Hossein Fazeli, Rahim Bahri Najafi, Alireza Jelokhanian
Antibiotic resistance is an important problem in antibiotic treatment of infections, particularly in hospitals. Tomatidine is a plant secondary metabolite with antimicrobial and antifungal effects. This study examined the possible synergistic effect tomatidine with several antibiotics against standard and clinical strains of Staphylococcus aureus, Enterococcus faecalis, Pseudomonas aeruginosa and Escherichia coli. After determining the minimum inhibitory concentrations (MICs) of antibiotics and tomatidine against the bacterial isolates using broth microdilution method, the synergistic effect between tomatidine and antibiotics was evaluated by checkerboard method and calculation of FIC indices...
2017: Iranian Journal of Pharmaceutical Research: IJPR
https://www.readbyqxmd.com/read/28492525/neonatal-sepsis-in-rural-india-timing-microbiology-and-antibiotic-resistance-in-a-population-based-prospective-study-in-the-community-setting
#19
P Panigrahi, D S Chandel, N I Hansen, N Sharma, S Kandefer, S Parida, R Satpathy, L Pradhan, A Mohapatra, S S Mohapatra, P R Misra, N Banaji, J A Johnson, J G Morris, I H Gewolb, R Chaudhry
OBJECTIVE: To examine the timing and microbiology of neonatal sepsis in a population-based surveillance in the Indian community setting. STUDY DESIGN: All live born infants in 223 villages of Odisha state were followed at home for 60 days. Suspect sepsis cases were referred to study hospitals for further evaluation including blood culture. RESULTS: Of 12 622 births, 842 were admitted with suspected sepsis of whom 95% were 4 to 60 days old...
May 11, 2017: Journal of Perinatology: Official Journal of the California Perinatal Association
https://www.readbyqxmd.com/read/28489953/vascular-function-and-arginine-and-dimethylarginines-in-gentamicin-induced-renal-failure-a-possible-effect-of-heme-oxygenase-1-inducer-hemin
#20
Esra Aycan Ustyol, Merve Kabasakal, Seldag Bekpinar, Ilkay Alp Yıldırım, Ozge Tepe, Murat Giris, Yasemin Ozluk, Yesim Unlucerci, B Sonmez Uydes Dogan, Mujdat Uysal
Increased oxidative stress and disturbance in nitric oxide bioavailability lead to endothelial dysfunction and cardiovascular complication in renal disease. Gentamicin (GM), a commonly used antibiotic exhibits a toxic effect on renal proximal tubules. Prevention of its nephrotoxicity is important. Therefore, we investigated whether heme oxygenase (HO)-1 induction influenced kidney and vascular function in GM-administered rats. GM (100 mg/kg/day; ip) was given to rats alone or together with hemin (20 mg/kg/alternate days; ip...
May 10, 2017: Canadian Journal of Physiology and Pharmacology
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