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https://www.readbyqxmd.com/read/29330343/treatment-of-osteomyelitis-defects-by-a-vancomycin-loaded-gelatin-%C3%AE-tricalcium-phosphate-composite-scaffold
#1
J Zhou, X G Zhou, J W Wang, H Zhou, J Dong
OBJECTIVE: In the present study, we aimed to assess whether gelatin/β-tricalcium phosphate (β-TCP) composite porous scaffolds could be used as a local controlled release system for vancomycin. We also investigated the efficiency of the scaffolds in eliminating infections and repairing osteomyelitis defects in rabbits. METHODS: The gelatin scaffolds containing differing amounts of of β-TCP (0%, 10%, 30% and 50%) were prepared for controlled release of vancomycin and were labelled G-TCP0, G-TCP1, G-TCP3 and G-TCP5, respectively...
January 2018: Bone & Joint Research
https://www.readbyqxmd.com/read/29323070/is-diabetes-mellitus-an-important-risk-factor-for-the-antibiotic-resistance-in-extraintestinal-pathogenic-escherichia-coli
#2
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/29321021/silver-pig-skin-nanocomposites-and-mesenchymal-stem-cells-suitable-antibiofilm-cellular-dressings-for-wound-healing
#3
Mario Alberto Pérez-Díaz, Phaedra Silva-Bermudez, Binisa Jiménez-López, Valentín Martínez-López, Yaaziel Melgarejo-Ramírez, Ana Brena-Molina, Clemente Ibarra, Isabel Baeza, M Esther Martínez-Pardo, M Lourdes Reyes-Frías, Erik Márquez-Gutiérrez, Cristina Velasquillo, Gabriel Martínez-Castañon, Fidel Martinez-Gutierrez, Roberto Sánchez-Sánchez
BACKGROUND: Treatment of severe or chronic skin wounds is an important challenge facing medicine and a significant health care burden. Proper wound healing is often affected by bacterial infection; where biofilm formation is one of the main risks and particularly problematic because it confers protection to microorganisms against antibiotics. One avenue to prevent bacterial colonization of wounds is the use of silver nanoparticles (AgNPs); which have proved to be effective against non-multidrug-resistant and multidrug-resistant bacteria...
January 10, 2018: Journal of Nanobiotechnology
https://www.readbyqxmd.com/read/29295691/molecular-detection-of-tem-shv-and-ctx-m-genes-among-gram-negative-klebsiella-isolates
#4
Asma Naim, Asma Saeed, Taqdees Ara Malik
In the past few years, the use of antimicrobial drugs against a wide range of pathogens has increased significantly. This extensive use of drugs has increased the resistance rate in microbial community widely. Molecular techniques for the detection of resistance are more reliable as compared to the conventional phenotypic method. The family Enterobacteriaceae is considered to be an important cause of nosocomial infections due to its predominantly active species such as E. coli, Klebsiella and Pseudomonas. These organisms are mainly involved in causing pneumonia, sepsis, post-surgical and urinary tract infections...
January 1, 2018: Current Drug Delivery
https://www.readbyqxmd.com/read/29289818/in-vitro-activity-of-nigella-sativa-against-antibiotic-resistant-salmonella-enterica
#5
Sadia Ashraf, Aftab Ahmad Anjum, Ali Ahmad, Sehrish Firyal, Saba Sana, Asma Abdul Latif
Salmonellosis is a major food-borne disease worldwide and antimicrobial resistance in Salmonella is a public health problem. Phytochemicals are alternative therapeutics to treat antibiotic resistant Salmonella. Biochemically identified Salmonella enterica of human and poultry origin (n = 10) were confirmed by polymerase chain reaction. Susceptibility to antibiotics was determined by Kirby Bauer disc diffusion method. In-vitro anti-salmonella activity of N. sativa essential oil and extracts (aqueous and methanol) was determined against antibiotic resistant isolates by well diffusion and micro broth dilution method...
December 17, 2017: Environmental Toxicology and Pharmacology
https://www.readbyqxmd.com/read/29247576/effect-of-non-%C3%AE-lactams-on-stable-variants-of-inhibitor-resistant-tem%C3%A2-%C3%AE-lactamase-in-uropathogenic%C3%A2-e-coli%C3%A2-implication-for-alternative-therapy
#6
Sandip Kumar Mukherjee, Rahul Shubhra Mandal, Santasabuj Das, Mandira Mukherjee
AIMS: β-lactamase inhibitor resistance(BLIR) among the uropathogenic E.coli (UPEC) minimizes treatment options. This study aims to identify inhibitor-resistant TEM (IRT) β-lactamase that impart BLIR phenotype and explore non-β-lactams as alterative therapeutics. METHODS AND RESULTS: 30 BLIR UPEC isolates was detected by Kirby-Bauer disk diffusion technique using β-lactam-β-lactamase inhibitor combination. Conjugal transfer of BLIR was successful from 17 isolates...
December 16, 2017: Journal of Applied Microbiology
https://www.readbyqxmd.com/read/29234353/enteric-fever-caused-by-salmonella-enterica-serovars-with-reduced-susceptibility-of-fluoroquinolones-at-a-community-based-teaching-hospital-of-nepal
#7
Anjeela Bhetwal, Anjila Maharjan, Puspa Raj Khanal, Narayan Prasad Parajuli
Enteric fever continues to be an important public health problem especially in developing countries of the tropical region including Nepal. In this study, we aimed to investigate the incidence of enteric fever associated with Salmonella enterica and determine its antimicrobial susceptibilities to therapeutic antimicrobials in a community based teaching hospital of Nepal. A total of 2,304 blood samples from suspected enteric fever patients attending Manmohan Memorial Teaching Hospital were processed with standard microbiological methods for the isolation and identification of bacterial pathogens...
2017: International Journal of Microbiology
https://www.readbyqxmd.com/read/29225754/methicillin-resistance-and-selective-genetic-determinants-of-staphylococcus-aureus-isolates-with-bovine-mastitis-milk-origin
#8
Zohreh Ahangari, Masoud Ghorbanpoor, Masoud Reza Seifiabad Shapouri, Darioush Gharibi, Kiarash Ghazvini
Background and Objectives: Staphylococcus aureus is one of the major causes of bovine mastitis, which can be transmitted from animals to humans. Methicillin-resistant S. aureus (MRSA) isolates are more attentive and if not treated promptly, they can cause death. The aim of this study was to determine the prevalence of methicillin resistance and frequency of selected virulence factors of S. aureus isolates with bovine mastitis milk origin in Ahvaz, southwest of Iran. Materials and Methods: During a two-year period (2014-2015), 75 S...
June 2017: Iranian Journal of Microbiology
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/29217934/the-prevalence-of-antibiotic-resistant-diarrhogenic-bacterial-species-in-surface-waters-south-eastern-nigeria
#10
Stanley C Onuoha
Background: This study assessed the bacteriological qualities of surface waters in Afikpo, between April and September 2016. Methods: Surface water samples were collected from three streams for bacteriological analysis. Bacteria species were isolated using standard microbiological and biochemical techniques. Antibiotic susceptibility study was carried out using Kirby Bauer disc diffusion method. Results: The result of the mean heterotrophic bacteria count from the streams showed that Okpu stream had 209...
July 2017: Ethiopian Journal of Health Sciences
https://www.readbyqxmd.com/read/29216684/the-impact-of-corynebacterium-glucuronolyticum-on-semen-parameters-a-prospective-pre-post-treatment-study
#11
T Meštrović, B Bedenić, J Wilson, S Ljubin-Sternak, M Sviben, M Neuberg, R Ribić, G Kozina, Z Profozić
Corynebacterium glucuronolyticum (C. glucuronolyticum) is a rare isolate that is only recently being acknowledged as a potential urogenital pathogen. The bibliographical references on this bacterial species are scarce, and its influence on all semen parameters was hitherto unknown - therefore, the aim of this study was to evaluate its effects on a range of sperm quality parameters. A prospective approach to compare semen parameters before and after treatment was used in this study. C. glucuronolyticum in semen specimens was identified using analytical profile index biotyping system (API Coryne) and additionally confirmed by matrix-assisted laser desorption/ionization time-of-flight mass-spectrometry (MALDI-TOF MS), with the determination of antimicrobial susceptibility by Kirby-Bauer method...
December 7, 2017: Andrology
https://www.readbyqxmd.com/read/29210602/assessment-of-the-comparability-of-clsi-eucast-and-stokes-antimicrobial-susceptibility-profiles-for-escherichia-coli-uropathogenic-isolates
#12
C O'Halloran, N Walsh, M C O'Grady, L Barry, C Hooton, G D Corcoran, B Lucey
BACKGROUND: As many clinical laboratories convert between Stokes, Clinical and Laboratory Standards Institute (CLSI) and European Committee for Antimicrobial Susceptibility Testing (EUCAST) methods, the problem of comparing differently derived sets of antimicrobial susceptibility testing (AST) data with each other arises, owing to a scarcity of knowledge of inter-method comparability. The purpose of the current study was to determine the comparability of CLSI, EUCAST and Stokes AST methods for determining susceptibility of uropathogenic Escherichia coli to ampicillin, amoxicillin-clavulanate, trimethoprim, cephradine/cephalexin, ciprofloxacin and nitrofurantoin...
December 6, 2017: British Journal of Biomedical Science
https://www.readbyqxmd.com/read/29208542/antibiotics-susceptibility-of-quinolones-against-salmonella-spp-strains-isolated-and-molecular-sequenced-from-pigs-target-gyra-gene-detection
#13
Guadalupe Patricia Macías Farrera, Roberto Montes de Oca Jiménez, Jorge Varela Guerrero, Esvieta Tenorio Borroto, Fabiola Rivera Ramírez, Humberto Gustavo Monroy Salazar, Gilberto Yong Angel, Abdelfattah Z M Salem
Drug-resistant Salmonella is frequently detected in most parts of the world, and its rate of resistance has increased significantly in recent years. However, this study aimed to evaluate the minimum inhibitory concentration (MIC, determined with the Kirby-Bauer method) of quinolones in 86 Salmonella spp. strains isolated from pigs. Both the inside and outside of the QRDR region of strains were sequenced. The DNA sequence of the QRDR region of Salmonella spp. revealed the mutations S83F, D87N and S83Y. The region outside the QRDR showed a mutation in L582G...
December 2, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/29207120/the-antibacterial-effect-of-topical-ozone-on-the-treatment-of-mrsa-skin-infection
#14
Mingsheng Song, Qinghai Zeng, Yaping Xiang, Lihua Gao, Jian Huang, Jinhua Huang, Kathy Wu, Jianyun Lu
Skin can be infected by many types of microorganisms, most commonly by gram‑positive strains of Staphylococcus and Streptococcus spp. Treatment of Staphylococcus aureus (S. aureus) infections, particularly that of methicillin resistant Staphylococcus aureus (MRSA), is a challenge in clinical practice. Ozone therapy has proven to be one of the strongest antiseptics against the majority of microorganisms involved in skin infections. The purpose of the present study was to evaluate the microbicidal effects of topical ozone therapy on S...
February 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29204224/bacteriology-and-antibiogram-of-urinary-tract-infection-among-female-patients-in-a-tertiary-health-facility-in-south-eastern-nigeria
#15
REVIEW
Angus N Oli, Vivian B Akabueze, Chijioke E Ezeudu, George U Eleje, Obiora S Ejiofor, Ifeanyichukwu U Ezebialu, Charlotte B Oguejiofor, Ifeoma M Ekejindu, George O Emechebe, Kenneth N Okeke
Background: Urinary Tract Infection (UTI) is a common contagion among men and women with the incidence relatively higher among women due to their differing anatomy. An understanding of the kind of pathogens implicated in urinary tract infections as well as antibiotic susceptibility profiling may help the clinician make rationally correct empirical choice in their treatment. Objective: This study is aimed at determining the type and antibiotic susceptibility pattern of bacterial uropathogens isolated from female patients attending Chukwuemeka Odumegwu Ojukwu University Teaching Hospital (COOUTH), Awka, Nigeria...
2017: Open Microbiology Journal
https://www.readbyqxmd.com/read/29184374/molecular-characterization-of-escherichia-coli-recovered-from-traditional-milk-products-in-kashan-iran
#16
Farhad Sharafati Chaleshtori, Navid Mazroii Arani, Esmat Aghadavod, Afshin Naseri, Reza Sharafati Chaleshtori
Aim: Shiga toxigenic Escherichia coli (STEC) strains as emerging groups of foodborne pathogens are responsible for most foodborne illnesses. The aim of this study was to determine the antibiotic resistance pattern in STEC isolated from traditional milk products and their molecular characterization. Materials and Methods: A total of 116 samples were randomly purchased from local markets in Kashan, Iran, and evaluated for the occurrence of STEC by culturing and molecular methods...
October 2017: Veterinary World
https://www.readbyqxmd.com/read/29167794/case-report-of-urethritis-in-a-male-patient-infected-with-two-different-isolates-of-multiple-drug-resistant-neisseria-gonorrhoeae
#17
Lamiaa Al-Madboly, Shereen Gheida
We report a brief description of a case suffering from bacterial urethritis, conjunctivitis, and arthritis, caused by two different isolates of multiple drug-resistant Neisseria gonorrhoeae. Initial diagnosis was dependent on the patient history, clinical findings, symptoms, and the bacteriological data. Polymerase chain reaction confirmed the identification of the pathogens. Random amplified polymorphic DNA revealed two different patterns. Susceptibility testing was performed using Kirby-Bauer disk diffusion method and the minimum inhibitory concentration was also determined...
2017: Frontiers in Medicine
https://www.readbyqxmd.com/read/29151997/genetic-investigation-of-beta-lactam-associated-antibiotic-resistance-among-escherichia-coli-strains-isolated-from-water-sources
#18
Reza Ranjbar, Mehrdad Sami
Background: Antimicrobial resistance is an important factor threatening human health. It is widely accepted that antibiotic resistant bacteria such as Escherichia coli (E. coli) released from humans and animals into the water sources, can introduce their resistance genes into the natural bacterial community. Objective: The aim of this study was to investigate the prevalence of blaTEM, blaCTX, blaSHV, blaOXA and blaVEB associated-antibiotic resistance among E. coli bacteria isolated from different water resources in Iran...
2017: Open Microbiology Journal
https://www.readbyqxmd.com/read/29151379/a-study-of-bacterial-pathogens-and-antibiotic-susceptibility-patterns-in-chronic-suppurative-otitis-media
#19
M R Mofatteh, F Shahabian Moghaddam, M Yousefi, M H Namaei
OBJECTIVE: To assess the frequency of bacterial agents in chronic suppurative otitis media and the antibiotic susceptibility patterns of isolates among patients. METHODS: A total of 185 patients clinically diagnosed with chronic suppurative otitis media were interviewed and middle-ear effusion samples were collected using sterile swabs. All bacterial isolates were identified by conventional microbiological methods. Antibiotic susceptibility patterns of the isolates were determined by Kirby-Bauer disc diffusion...
November 20, 2017: Journal of Laryngology and Otology
https://www.readbyqxmd.com/read/29141347/-antimicrobial-resistance-and-molecular-subtypes-of-salmonella-typhi-and-salmonella-paratyphoid-isolates-from-jiangsu-province-2012-2015
#20
X X Kong, C Dong, H Ji, Y Wang, C C Bao, X Huo, H M Qian
Objective: To retrospectively analyze the antimicrobial resistance phenotype and molecular typing characteristics of Salmonella (S.) typhi and S. paratyphi in Jiangsu province from 2012 to 2015. Methods: The samples were collected from typhoid and paratyphoid patients in Jiangsu province. The biochemical identification and serotyping were carried out after isolation and culture. Kirby-Bauer (K-B) testing was used to detect the drug susceptibility of the strains. The molecular typing characteristics of S. typhi and S...
November 10, 2017: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
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