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https://www.readbyqxmd.com/read/28918351/susceptibility-profiles-of-bacteria-causing-urinary-tract-infection-in-southern-tunisia
#1
Sonda Guermazi-Toumi, Sirine Boujlel, Mouna Assoudi, Riadh Issaoui, Sonia Tlili, Mohamed Ennaceur Hlaiem
OBJECTIVES: The aim of this study was to determine the epidemiological profile and the antibiotic resistance of bacteria responsible for urinary infections diagnosed in the department of microbiology of the regional hospital Houcine Bouzaiene (Gafsa) in the south west of Tunisia. METHODS: All the cytobacteriological urine samples analyzed from 1 January 2015 to 30 June 2016 were included in the study. The adopted criteria to define urinary infection were: leukocyturia >10(4)/ml and bacteriuria >10(5)CFU/ml...
September 13, 2017: Journal of Global Antimicrobial Resistance
https://www.readbyqxmd.com/read/28917799/a-reagentless-and-reusable-electrochemical-aptamer-based-sensor-for-rapid-detection-of-ampicillin-in-complex-samples
#2
Zhi-Gang Yu, Rebecca Y Lai
We report the design and fabrication of a "signal-on" electrochemical aptamer-based (E-AB) sensor for detection of ampicillin. The signaling of the sensor is based on target binding-induced changes in the conformation and flexibility of the methylene blue-modified aptamer probe. The sensor's response is fast; signal saturation can be reached in ~ 200s. Since all the sensor components are surface-immobilized, it is regenerable and can be reused for at least three times. It has demonstrated good specificity and is capable of differentiating between ampicillin and structurally similar antibiotics such as amoxicillin...
January 1, 2018: Talanta
https://www.readbyqxmd.com/read/28914846/-analysis-of-the-efficiency-of-antimicrobial-treatment-for-community-acquired-pneumonia-in-clinical-practice
#3
O V Zhukova, O V Ruina, S V Kononova, T M Konyshkina
AIM: To analyze actual drug consumption based on the defined daily dose (DDD analysis) and to analyze the utilization of drugs based on their proportion of the total defined daily doses (DU90% analysis) for the antimicrobial therapy of community-acquired pneumonia (CAP) in clinical practice at a hospital in Russia. MATERIAL AND METHODS: The investigation materials were the data of 117 case histories of male (51.3%) and female (48.7%) patients hospitalized with CAP at Nizhny Novgorod City Clinical Hospital Five in 2015...
2017: Terapevticheskiĭ Arkhiv
https://www.readbyqxmd.com/read/28914844/-molecular-genetic-predictors-of-resistance-to-anti-helicobacter-pylori-therapy
#4
I V Maev, D N Andreev
In current clinical practice, there is no optimal empirical therapy for Helicobacter pylori (H. pylori) infection and there is a progressive decrease in the efficiency of classical eradication therapy (ET) regimens. The variability in the efficiency of ET in a specific patient is largely due to the heterogeneous molecular genetic mechanisms underlying the resistance of the microorganism to the components of the treatment regimens. The basis of the mechanisms for antibiotic resistance in H. pylori is mainly the point mutations in some genes, which determine alterations in the mechanisms of action of drugs, such as clarithromycin (domain V of 23S rRNA), metronidazole (rdxA, frxA), amoxicillin (pbp1A), tetracycline (16S rRNA), and levofloxacin (gyrA)...
2017: Terapevticheskiĭ Arkhiv
https://www.readbyqxmd.com/read/28914597/combination-of-ultrasonic-decontamination-soft-tissue-curettage-and-submucosal-air-polishing-with-povidone-iodine-application-for-non-surgical-therapy-of-peri-implantitis-12-months-clinical-outcomes
#5
Jamal M Stein, Christian Hammächer, Sareh Said-Yekta Michael
BACKGROUND: The aim of this study was to evaluate the clinical outcomes of a concept for non-surgical peri-implantitis combining stepwise mechanical debridement measures with adjuvant Povidone-iodine application with and without systemic antibiotics. METHODS: 45 patients with chronic periodontitis comprising 164 screw-typed implants with peri-implantitis were included. Peri-implantitis was defined as radiographic bone loss of >2 mm, probing pocket depth (PD) ≥5 mm with bleeding on probing (BOP)...
September 15, 2017: Journal of Periodontology
https://www.readbyqxmd.com/read/28913872/high-primary-antibiotic-resistance-of-helicobacter-pylori-strains-isolated-from-dyspeptic-patients-a-prevalence-cross-sectional-study-in-spain
#6
Fernando Macías-García, José Llovo-Taboada, Mario Díaz-López, Iria Bastón-Rey, Juan Enrique Domínguez-Muñoz
BACKGROUND: The rate of H. pylori resistance to different antibiotics is increasing and determines the selection of eradication therapy. The aim of this study was to determine the resistance patterns of H. pylori strains in our area. METHODS: Biopsies from gastric corpus for microbiological culture and antibiotic resistance were obtained in patients undergoing upper gastrointestinal endoscopy for dyspepsia. Selective Agar Pylori for isolation of the bacteria and Agar Mueller-Hinton supplemented with blood to test the sensitivity to antibiotics were used...
September 15, 2017: Helicobacter
https://www.readbyqxmd.com/read/28911638/assessment-of-antibacterial-drug-residues-in-milk-for-consumption-in-kosovo
#7
Adem Rama, Lorena Lucatello, Cristiana Benetti, Guglielmo Galina, Drita Bajraktari
The objective of this study was to assess the occurrence of drug residues in the raw milk collected from individual farms and milk collection points during 2009-2010 in six different major regions of Kosovo (Prishtinë, Gjilan, Mitrovicë, Pejë, Gjakovë, Prizren). In the present study, a total of 1734 raw milk samples were collected, and qualitatively screened with two different tests, the Delvotest SP assay and an enzyme-linked receptor-binding assay (SNAP). Overall, 106 (6.11%) out of 1734 samples examined with Delvotest SP contained possible drug residues (5...
July 2017: Journal of Food and Drug Analysis
https://www.readbyqxmd.com/read/28906365/the-antibiotic-susceptibility-patterns-of-uropathogens-among-children-with-urinary-tract-infection-in-shiraz
#8
Gholamreza Pouladfar, Mitra Basiratnia, Mojtaba Anvarinejad, Pejman Abbasi, Fatemeh Amirmoezi, Samaneh Zare
Urinary tract infection (UTI) is one of the most common bacterial infections in pediatrics. Delay in diagnosis and treatment can cause significant morbidity. The physicians knowledge regarding the symptoms, microorganisms that caused UTI, and effective antibiotics in a geographical area can help them to select the appropriate antibiotics. This study was performed to determine the prevalence of bacteria that cause UTI and their susceptibility to common antibiotics as well as the common symptoms and associated factors in children of Shiraz, Southern Iran...
September 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28905120/animal-and-human-bite-injuries-a-5-year-retrospective-study-in-a-large-urban-public-hospital-in-venezuela
#9
Muñoz Gelvez, Ruben Enrique, Golaszewski Gajos, Jose Bladimir, Diaz Carvajal, Alvaro Luis
INTRODUCTION: Animal bite injuries to the head and neck regions are an important public health problem. Most of these bites are from dogs. A 10-year retrospective study was undertaken to determine the prevalence of animal and human bites. MATERIALS AND METHODS: This retrospective study was done from January 2011 to December 2016 and included 387 patients with a mean age of 21.51 years. Data collection included age, sex, days of hospitalization, lesion type, and clinical management...
September 13, 2017: Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28899877/multiresistant-e-coli-urine-infections-in-children-a-case-control-study
#10
Gayathri Raman, Brendan McMullan, Peter Taylor, Kylie-Ann Mallitt, Sean E Kennedy
OBJECTIVE: Urinary tract infections (UTIs) caused by resistant organisms are increasing which poses challenges when selecting empirical antimicrobial therapy. The aim of this study is to determine risk factors for multiresistant Escherichia coliUTIs in children. DESIGN: We included all reported urinary isolates from a children's hospital collected between January 2010 and June 2013. Patients who had multiresistant E. coliUTIs were identified and a retrospective review of medical records performed...
September 12, 2017: Archives of Disease in Childhood
https://www.readbyqxmd.com/read/28894828/the-role-of-antibiotics-in-pediatric-chronic-rhinosinusitis
#11
REVIEW
Itzhak Brook
OBJECTIVES: Presenting the role of antibiotics in pediatric chronic rhinosinusitis based on its pathophysiology and microbiology. DATA SOURCE: Review of the literature searching PubMed for microbiology and treatment of pediatric chronic rhinosinusitis. RESULTS: Chronic rhinosinusitis (CRS) is an inflammatory condition of the paranasal sinuses that persists for 12 weeks or longer, despite medical management. The microbiology of rhinosinusitis evolves through several stages...
June 2017: Laryngoscope Investigative Otolaryngology
https://www.readbyqxmd.com/read/28893183/antimicrobial-resistance-in-africa-a-systematic-review
#12
Birkneh Tilahun Tadesse, Elizabeth A Ashley, Stefano Ongarello, Joshua Havumaki, Miranga Wijegoonewardena, Iveth J González, Sabine Dittrich
BACKGROUND: Antimicrobial resistance (AMR) is widely acknowledged as a global problem, yet in many parts of the world its magnitude is still not well understood. This review, using a public health focused approach, aimed to understand and describe the current status of AMR in Africa in relation to common causes of infections and drugs recommended in WHO treatment guidelines. METHODS: PubMed, EMBASE and other relevant databases were searched for recent articles (2013-2016) in accordance with the PRISMA guidelines...
September 11, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28888169/green-synthesis-of-si-incorporated-hydroxyapatite-using-sodium-metasilicate-as-silicon-precursor-and-in-vitro-antibiotic-release-studies
#13
P Abinaya Sindu, Elayaraja Kolanthai, R V Suganthi, K Thanigai Arul, E Manikandan, Luiz H Catalani, S Narayana Kalkura
The aim of the current study is to synthesize nanosized silicon incorporated HAp (Si-HAP) using sodium metasilicate as the silicon source. The sol-gel derived samples were further subjected to microwave irradiation. Incorporation of Si into HAp did not alter the HAp phase, as confirmed by the X-ray diffraction analysis (XRD). Moreover, variation in the lattice parameters of the Si-incorporated HAp indicates that Si is substituted into the HAp lattice. The decrease in the intensity of the peaks attributed to hydroxyl groups, which appeared in the FTIR and Raman spectra of Si-HAp, further confirms the Si substitution in HAp lattices...
August 24, 2017: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/28888002/construction-of-multifunctional-porous-silica-nanocarriers-for-ph-enzyme-responsive-drug-release
#14
Li Qiu, Weirui Zhang, Shuyun Wang, Xu Zhang, Yanbao Zhao, Liuqin Cao, Lei Sun
pH/enzyme-responsive nanocarriers based on porous silica (pSiO2) nanospheres (NSs) were developed for controlled release of drug. The pSiO2 NSs present uniform spheres and have an average diameter of 100nm. The pSiO2 NSs with high specific surface area (835m(2)·g(-1)) and the pore volume (1.24cm(3)·g(-1)) are suitable for drug loading and the loading capacity reaches to 29% for amoxicillin (AMX) model drug. In this system, protocatechuic acid (PCA) and L-glutamic acid (Glu) as linkers were grafting onto the surface of pSiO2 NSs to conjugate the capping lids...
December 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28886537/a-probabilistic-approach-to-assess-antibiotic-resistance-development-risks-in-environmental-compartments-and-its-application-to-an-intensive-aquaculture-production-scenario
#15
Andreu Rico, Rianne Jacobs, Paul J Van den Brink, Alfredo Tello
Estimating antibiotic pollution and antibiotic resistance development risks in environmental compartments is important to design management strategies that advance our stewardship of antibiotics. In this study we propose a modelling approach to estimate the risk of antibiotic resistance development in environmental compartments and demonstrate its application in aquaculture production systems. We modelled exposure concentrations for 12 antibiotics used in Vietnamese Pangasius catfish production using the ERA-AQUA model...
September 5, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28885593/effect-of-iron-oxide-nanoparticles-and-amoxicillin-on-bacterial-growth-in-the-presence-of-dissolved-organic-carbon
#16
Kelley M Current, Niluka M Dissanayake, Sherine O Obare
The impact of emerging contaminants in the presence of active pharmaceutical pollutants plays an important role in the persistence and activity of environmental bacteria. This manuscript focuses on the impact of amoxicillin functionalized iron oxide nanoparticles on bacterial growth, in the presence of dissolved organic carbon (humic acid). The impact of these emerging contaminants individually and collectively on the growth profiles of model gram positive and negative bacteria was tracked for 24 h. Results indicate exposure to subinhibitory concentrations of amoxicillin bound iron oxide nanoparticles, in the presence of humic acid, increase bacterial growth in Pseudomonas aeruginosa and Staphylococcus aureus...
September 8, 2017: Biomedicines
https://www.readbyqxmd.com/read/28882940/varicella-complicated-by-cellulitis-and-deep-vein-thrombosis
#17
Gracinda Nogueira Oliveira, Susana Basso, Teresa Sevivas, Nelson Neves
We report a 16-month-old girl with varicella complicated by cellulitis, invasive Group A Streptococcus (GAS) infection and deep vein thrombosis. She presented with varicella lesions, fever and a painful firm tumefaction on the right lower leg (RLL). Ultrasound showed a local subcutaneous tissue thickening suggestive of cellulitis and antibiotics were initiated. Further swelling of the RLL motivated a second ultrasound that showed an obstructive thrombus for which she was started on enoxaparin. The blood culture confirmed GAS infection leading to directed antibiotherapy...
September 7, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28877729/effect-of-enhanced-feedback-to-hospitals-that-are-part-of-an-emerging-clinical-information-network-on-uptake-of-revised-childhood-pneumonia-treatment-policy-study-protocol-for-a-cluster-randomized-trial
#18
Philip Ayieko, Grace Irimu, Mike English
BACKGROUND: The national pneumonia treatment guidelines in Kenya changed in February 2016 but such guideline changes are often characterized by prolonged delays in affecting practice. We designed an enhanced feedback intervention, delivered within an ongoing clinical network that provides a general form of feedback, aimed at improving and sustaining uptake of the revised pneumonia treatment policy. The objective was to determine whether an enhanced feedback intervention will improve correctness of classification and treatment of childhood pneumonia, compared to an existing approach to feedback, after nationwide treatment policy change and within an existing hospital network...
September 7, 2017: Trials
https://www.readbyqxmd.com/read/28877088/efficacy-and-tolerability-of-culture-guided-treatment-for-helicobacter-pylori-infection
#19
Samuel Costa, João-Bruno Soares, Raquel Gonçalves
OBJECTIVE: The aim of this study was to evaluate the efficacy/tolerability of a culture-guided approach in the eradication of Helicobacter pylori and identify factors associated with antibiotic resistance/treatment failure. PATIENTS AND METHODS: This retrospective single-center study included patients who underwent culture-guided treatment for H. pylori infection, after two ineffective eradication attempts, between October 2012 and December 2016. We assessed the following demographic and clinical data of the patients: sex, age, BMI, alcohol and tobacco consumption, history of dyspepsia, peptic ulceration and first-degree relatives with gastric cancer, antibiotic susceptibility results, treatment composition, tolerability, and success...
September 4, 2017: European Journal of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28873001/toward-the-drug-factory-microbiome-microbial-community-variations-in-antibiotic-producing-clean-rooms
#20
Amal M Hamdy, Moamen El-Massry, Mona T Kashef, Magdy A Amin, Ramy K Aziz
Microbiome projects are currently booming around the globe, enabled by advances in culture-independent microbial community analysis and high-throughput sequencing. One emerging application of microbiome science involves exploring microbial diversity in built environments, and one unexplored built environment is the pharmaceutical factory, notably factories producing antibiotics, as they could be enriched in antibiotic-resistant microbes. To examine the drug factory microbiome, we launched this interdisciplinary hypothesis-generating study to benchmark culture-independent microbiome analysis in drug manufacturing units producing antibiotics and nonantibiotic drugs, against traditional microbial identification and quantification techniques...
September 5, 2017: Omics: a Journal of Integrative Biology
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