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https://www.readbyqxmd.com/read/28333677/y-site-physical-compatibility-of-beta-blocker-infusions-with-intensive-care-unit-admixtures
#1
Jaime A Foushee, Pmichaele Meredith, Laura M Fox, EdwardE Grace
Parenteral beta-blocker therapy via continuous infusion has shown promising results for improved outcomes for patients with septic shock. As patients with septic shock may require multiple intravenous medications, compatibility is necessary to co-infuse these medications through a y-site connector. The purpose of this study was to examine the physical compatibility of select intravenous drugs used for patients with septic shock combined with various intravenous beta-blockers including esmolol, labetalol, and metoprolol through a simulated y-site infusion...
July 2016: International Journal of Pharmaceutical Compounding
https://www.readbyqxmd.com/read/28333664/compatibility-of-norepinephrine-bitartrate-with-levofloxacin-and-moxifloxacin-during-simulated-y-site-administration
#2
Vicky Mody, Samit Shah, Jaymin Patel, Michael C Thomas
The purpose of this study was to determine the physical compatibility and chemical stability of norepinephrine bitartrate with selected fluoroquinolones during simulated intravenous Y-site administration. Simulation of Y-compatibility of intravenous fluids can be experimentally demonstrated by mixing equal volumes of two drugs of interest. Hence, we prepared 1:1 mixture of norepinephrine bitartrate and levofloxacin or moxifloxacin by mixing 64 .g/mL of norepinephrine bitartrate individually with clinically relevant concentrations of levofloxacin (5 mg/mL) and moxifloxacin (1...
May 2016: International Journal of Pharmaceutical Compounding
https://www.readbyqxmd.com/read/28333250/the-complexity-of-minocycline-serum-protein-binding
#3
Jian Zhou, Brian T Tran, Vincent H Tam
Objectives: Serum protein binding is critical for understanding the pharmacology of antimicrobial agents. Tigecycline and eravacycline were previously reported to have atypical non-linear protein binding; the percentage of free fraction decreased with increasing total concentration. In this study, we extended the investigation to other tetracyclines and examined the factors that might impact protein binding. Methods: Different minocycline concentrations (0.5-50 mg/L) and perfusion media (saline, 0...
February 25, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/28330893/analysis-of-mic-and-disk-diffusion-testing-variables-for-gepotidacin-and-comparator-agents-against-select-bacterial-pathogens
#4
L K Koeth, J M DiFranco-Fisher, N E Scangarella-Oman, L A Miller
This study was conducted to determine the effect of testing parameters on the in vitro activity of gepotidacin, a new triazaacenaphthylene antibacterial agent for the treatment of conventional and biothreat pathogens. CLSI methods, and variations of these methods were used to test 10 Staphylococcus aureus, 10 Streptococcus pneumoniae, 10 Haemophilus influenzae, and 5 Escherichia coli by MIC and 30 S. aureus, 15 S. pneumoniae and 15 S. pyogenes by disk diffusion (DD) methods. Levofloxacin and linezolid were tested as comparator agents for MIC and DD methods, respectively...
March 22, 2017: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/28317676/effect-of-the-administration-period-of-perioperative-topical-levofloxacin-on-normal-conjunctival-bacterial-flora
#5
Ryohei Nejima, Kimiya Shimizu, Takashi Ono, Yukari Noguchi, Akiko Yagi, Takuya Iwasaki, Nobuyuki Shoji, Kazunori Miyata
PURPOSE: To assess the long-term and short-term effects of post-cataract surgery antibiotic therapy on the drug-resistance profile of normal conjunctival bacterial flora. SETTING: Miyata Eye Hospital, Miyazaki, Japan. DESIGN: Randomized prospective clinical trial. METHODS: Patients aged 20 years or older who had cataract surgery between May and September 2015 were given levofloxacin 1.5% ophthalmic solution for 3 days preoperatively...
January 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28315035/primary-antibiotic-resistance-of-helicobacter-pylori-in-china
#6
REVIEW
Yi Hu, Yin Zhu, Nong-Hua Lu
BACKGROUND AND AIMS: Antibiotic resistance is the most important factor leading to the failure of eradication regimens; thus, it is important to obtain regional antibiotic resistance information. This review focuses on the prevalence of Helicobacter pylori primary resistance to clarithromycin, metronidazole, amoxicillin, levofloxacin, tetracycline, and furazolidone in China. METHODS: We searched the PubMed, EMBASE, the China National Knowledge Infrastructure, and Chinese Biomedical databases from the earliest date of each database to October 2016...
March 17, 2017: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/28303985/pattern-of-antimicrobial-drug-resistance-of-salmonella-typhi-and-paratyphi-a-in-a-teaching-hospital-in-islamabad
#7
Azmat Ali, Hafiz Awais Ali, Fazal Hussain Shah, Arslan Zahid, Hina Aslam, Benazir Javed
OBJECTIVE: To see the pattern of antimicrobial drug resistance among Salmonella serovars. METHODS: This longitudinal, observational study was conducted at Khan Research Laboratories Hospital, Islamabad, Pakistan, from May 2012 to December 2014. All patients presenting with typhoid fever with positive blood culture were included. Age, gender, salmonella serovar and sensitivity to 9 antimicrobial drugs were taken into account. The tested antimicrobial drugs were ampicillin, trimethoprim/sulphamethoxazole, chloramphenicol, nalidixic acid, ciprofloxacin, ofloxacin, levofloxacin, ceftriaxone and cefixime...
March 2017: JPMA. the Journal of the Pakistan Medical Association
https://www.readbyqxmd.com/read/28303826/prevalence-of-pneumococcal-serotypes-in-adults-%C3%A2-50-years-of-age
#8
Chand Wattal, Neeraj Goel, S P Byotra
CONTEXT: Currently, majority of studies on antibiotic resistance and serotype prevalence in Streptococcus pneumoniae are in paediatric population and there is limited epidemiologic data pertaining to elderly Indian population. AIMS: This study was undertaken to assess antibiotic resistance pattern and the coverage of the polysaccharide vaccine 23 (PPV23) in the elderly population. SETTINGS AND DESIGN: This was a prospective 2-year pneumococcal surveillance study in patients with community-acquired pneumococcal infections of ≥50 years' age group on fifty isolates of S...
January 2017: Indian Journal of Medical Microbiology
https://www.readbyqxmd.com/read/28303249/a-descriptive-study-of-open-fractures-contaminated-by-seawater-infection-pathogens-and-antibiotic-resistance
#9
Hongyi Zhu, Xingwei Li, Xianyou Zheng
Aims. In this work, the main objectives were to investigate the clinical characteristics and bacterial spectrum present in open fractures contaminated by seawater. Methods. We conducted a retrospective cohort study and included all patients with open fractures from 1st January, 2012, to 31st December, 2015, in our hospital. Patients were grouped based on the presence of seawater contamination in wounds. We compared the infection rate, bacterial spectrum, and antibiotic resistance between the two groups. Results...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28302543/immunomodulatory-effects-of-pidotimod-in-adults-with-community-acquired-pneumonia-undergoing-standard-antibiotic-therapy
#10
D Trabattoni, M Clerici, S Centanni, M Mantero, M Garziano, F Blasi
The morbidity and mortality of community-acquired pneumonia (CAP) are still elevated and two aspects seem to contribute to a worse outcome: an uncontrolled inflammatory reaction and an inadequate immune response. Adjuvants, including corticosteroids and intravenous immunoglobulins, have been proposed to counterbalance these effects but their efficacy is only partial. We examined the immunomodulatory activity of Pidotimod (PDT), a synthetic dipeptide molecule in adult patients hospitalized for CAP. Sixteen patients with a diagnosis of CAP and a PSI score III or IV and/or a CURB-65 0-2 were randomized to receive either levofloxacin 500 mg b...
March 13, 2017: Pulmonary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28302030/gold-nanoparticles-conjugated-levofloxacin-for-improved-antibacterial-activity-over-levofloxacin-alone
#11
Paramdeep Bagga, H H Siddiqui, Juber Akhtar, Tariq Mahmood, Manaal Zahera, Mohd Sajid Khan
Levofloxacin is a potent antibiotic with severe side effects due to its high doses. Bacterial resistance may be due to frequent use of antibiotics. Biogenic gold nanoparticles conjugated levofloxacin (Au-HSA-LvN-NPs) were developed by Human Serum Albumin (HSA) and sulfite reductase-mediated pathways. Au-HSA-LvN-NPs (size = 27.2 ± 1 nm) were readily generated with high emulsion stability zeta potential (̵13.3 mV). The developed nanoparticles were also characterized by UV-visible spectroscopy, Transmission Electron Microscopy and Dynamic Light Scattering techniques...
March 16, 2017: Current Drug Delivery
https://www.readbyqxmd.com/read/28297817/-distribution-and-drug-resistance-of-nontuberculous-mycobacteria-in-beijing
#12
J Zhang, J R Su, B C Ding, J W Liu, J L Yi, X Y Yang, N H Wang, S M Wang
Objective: To analyze the distribution and drug resistance of nontuberculous mycobacteria(NTM) in Beijing. Methods: Using PCR-fluorescence probe method we identified 1 552 mycobacterial isolates in 2009 and 1 553 mycobacterial isolates in 2013, which were stored by Beijing Research Institute for Tuberculosis Control.All identified NTM strains were confirmed by 16S rRNA gene sequencing, and drug sensitivity testing was performed by using 1% ratio method.SPSS 13.0 was used for statistical analysis. Results: The isolation rate for NTM in 2009 and 2013 was 3...
March 12, 2017: Chinese Journal of Tuberculosis and Respiratory Diseases
https://www.readbyqxmd.com/read/28292725/physiological-and-antioxidant-response-of-wheat-triticum-aestivum-seedlings-to-fluoroquinolone-antibiotics
#13
Luqman Riaz, Tariq Mahmood, Mark S Coyne, Azeem Khalid, Audil Rashid, Malik Tahir Hayat, Asim Gulzar, Muhammad Amjad
Combinations of antibiotics occur in terrestrial environments due to excessive prescription, consumption, and disposal and have adverse effects, including crop toxicity. We examined short-term (20-d) toxicity of the fluoroquinolone antibiotics ciprofloxacin, enrofloxacin, levofloxacin, and their mixture in a germination and a greenhouse sand culture study with wheat. We tested the hypothesis that oxidative stress plays a role in toxicity by examining stress products and antioxidants involved in detoxifying reactive oxygen species (ROS) during stress...
March 9, 2017: Chemosphere
https://www.readbyqxmd.com/read/28288398/characterization-of-extended-spectrum-%C3%AE-lactamases-esbls-producing-salmonella-in-retail-raw-chicken-carcasses
#14
Jing Qiao, Qiang Zhang, Walid Q Alali, Jiawei Wang, Lingyuan Meng, Yingping Xiao, Hua Yang, Sheng Chen, Shenghui Cui, Baowei Yang
Extended-spectrum β-lactamases (ESBLs)-producing Salmonella is considered a serious concern to public health worldwide. However, limited information is available on ESBLs-producing Salmonella in retail chicken products in China. The objective of this study was to characterize ESBLs-producing Salmonella isolates from retail chickens in China. A total of 890 Salmonella isolates from retail chicken carcasses collected from 4 provinces were firstly screened for ESBLs-production phenotype via the double-disk synergy test method...
February 24, 2017: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/28285420/fosfomycin-and-comparator-activity-against-select-enterobacteriaceae-pseudomonas-and-enterococcus-urinary-tract-infection-isolates-from-the-united-states-in-2012
#15
Tiffany R Keepers, Marcela Gomez, Chris Celeri, Kevin M Krause, Donald Biek, Ian Critchley
INTRODUCTION: Fosfomycin is a broad-spectrum cell wall active agent that inhibits the MurA enzyme involved in peptidoglycan synthesis and is FDA-approved for treatment of uncomplicated urinary tract infections (UTIs) caused by Escherichia coli and Enterococcus faecalis in women. Data regarding the susceptibility of recent UTI isolates to fosfomycin are limited. METHODS: This study compared the fosfomycin susceptibility of 658 US UTI isolates with susceptibility to ciprofloxacin, levofloxacin, nitrofurantoin, and trimethoprim/sulfamethoxazole (SXT)...
March 11, 2017: Infectious Diseases and Therapy
https://www.readbyqxmd.com/read/28285358/fluoroquinolones-and-propionic-acid-derivatives-induce-inflammatory-responses-in-vitro
#16
Akira Nakajima, Hiroki Sato, Shingo Oda, Tsuyoshi Yokoi
Fluoroquinolones and propionic acid derivatives are widely used antibacterials and non-steroidal anti-inflammatory drugs, respectively, which have been reported to frequently trigger drug hypersensitivity reactions. Such reactions are induced by inflammatory mediators such as cytokines and chemokines. The present study investigated whether levofloxacin, a fluoroquinolone, and loxoprofen, a propionic acid derivative, have the potential to induce immune-related gene expression in dendritic cell-like cell lines such as HL-60, K562, and THP-1, and immortalized keratinocytes such as HaCaT...
March 11, 2017: Cell Biology and Toxicology
https://www.readbyqxmd.com/read/28283978/enhanced-levofloxacin-removal-from-water-using-zirconium-iv-loaded-corn-bracts
#17
Ying Yu, Wei Wang, Jing Shi, Siyi Zhu, Yachen Yan
The presence of antibiotics in the environment has attracted considerable attention due to their toxicity. In this study, agricultural waste corn bracts (CBs) modified by zirconium cations were utilized to remove levofloxacin (LEV) from wastewater. Zr-modified CBs exhibited a strong adsorption capacity (Qmax = 73 mg/g), and their desorption rate could reach 89% by simply adjusting the pH to 11. FTIR and XPS analyses indicated that the mechanism of LEV adsorption included the complexation between the ketone/carboxyl groups of LEV and the Zr atoms and the π-π electron-donor-acceptor interaction...
March 11, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28282645/haemophilus-influenzae-isolated-from-men-with-acute-urethritis-its-pathogenic-roles-responses-to-antimicrobial-chemotherapies-and-antimicrobial-susceptibilities
#18
Shin Ito, Kyoko Hatazaki, Ken Shimuta, Hiromi Kondo, Kosuke Mizutani, Mitsuru Yasuda, Keita Nakane, Tomohiro Tsuchiya, Shigeaki Yokoi, Masahiro Nakano, Makoto Ohinishi, Takashi Deguchi
BACKGROUND: There have been few comprehensive studies on Haemophilus influenza-positive urethritis. METHODS: In this retrospective study, we enrolled 68 men with H. influenzae-positive urethritis, including coinfections with Neisseria gonorrhoeae, Chlamydia trachomatis, and/or genital mycoplasmas: 2, 3, 20, and 43 treated with ceftriaxone, levofloxacin, sitafloxacin, and extended-release azithromycin (azithromycin-SR), respectively. We assessed microbiological outcomes in 54 men and clinical outcomes in 46 with H...
April 2017: Sexually Transmitted Diseases
https://www.readbyqxmd.com/read/28281228/development-of-a-risk-score-for-qtc-prolongation-the-risq-path-study
#19
Eline Vandael, Bert Vandenberk, Joris Vandenberghe, Isabel Spriet, Rik Willems, Veerle Foulon
Background More than 170 drugs are linked with QTc-prolongation, which in extreme cases can lead to Torsade de Pointes. Monitoring of this potential side effect is an important challenge in clinical practice. Objective To investigate the risk of QTc-prolongation in hospital patients who started a QTc-prolonging drug, and to develop a risk score to identify patients at high/low risk for QTc-prolongation. Setting University Hospitals Leuven, Belgium. Method All patients starting with haloperidol or a QTc-prolonging antibiotic/antimycotic were eligible for this observational study...
March 9, 2017: International Journal of Clinical Pharmacy
https://www.readbyqxmd.com/read/28279173/a-super-infection-in-the-cornea-caused-by-stemphylium-acremonium-and-%C3%AE-streptococcus
#20
Fumika Hotta, Hiroshi Eguchi, Keiko Nishimura, Masahiro Kogiso, Mayumi Ishimaru, Shunji Kusaka, Yoshikazu Shimomura, Takashi Yaguchi
BACKGROUND: Polymicrobial keratitis with fungus and bacteria can lead to blindness and is challenging to treat. Here, we introduce a case of fungal keratitis caused by two different strains in addition to definite bacterial super-infection caused by an α-Streptococcus sp., and describe the importance of microscopic examination. CASE PRESENTATION: A 74-year-old woman, who had a past history of infection with leprosy, presented with conjunctival hyperaemia, pain, and corneal opacity in her right eye...
March 9, 2017: Annals of Clinical Microbiology and Antimicrobials
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