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Vancomycin Antibiotic

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https://www.readbyqxmd.com/read/27910828/biofilm-prevention-of-gram-negative-bacterial-pathogens-involved-in-periprosthetic-infection-by-antibiotic-loaded-calcium-sulfate-beads-in-vitro
#1
Robert P Howlin, Christopher Winnard, Connor J Frapwell, Jeremy S Webb, John J Cooper, Sean S Aiken, Paul Stoodley
Biofilm formation represents a key stage in the pathogenesis of prosthetic infections (PIs). More tolerant to antibiotics than their planktonic counterparts, biofilm bacteria are difficult to eradicate using conventional therapeutic regimes. A common approach in PI management is the adjunctive use of localised antibiotics in addition to systemic administration in an attempt to protect the implant from colonisation by infiltrating bacteria. This study evaluates the antibacterial and antibiofilm efficacy of antibiotic-loaded dissolvable calcium sulphate, previously shown to be effective against key gram-positive pathogens, against gram-negative species important in the establishment of chronic infection in PIs...
December 2, 2016: Biomedical Materials
https://www.readbyqxmd.com/read/27910104/long-term-reproducibility-of-positive-patch-test-reactions-in-patients-with-non-immediate-cutaneous-adverse-drug-reactions-to-antibiotics
#2
André Pinho, Ana Marta, Inês Coutinho, Margarida Gonçalo
BACKGROUND: As in contact allergy, T cell-mediated hypersensitivity in non-immediate (NI) cutaneous adverse drug reactions (CADRs) to antibiotics is considered to be lifelong, but, in this setting, patch tests have rarely been repeated after long time intervals. OBJECTIVE: To evaluate the long-term reproducibility of positive patch test reactions to antibiotics in patients with NI CADRs. METHODS: Fifty-six patients with NI CADRs to antibiotics who had relevant positive reactions during patch testing were invited to repeat patch tests with a similar antibiotic series 2-15 years thereafter...
December 2, 2016: Contact Dermatitis
https://www.readbyqxmd.com/read/27908697/clostridium-difficile-carriage-in-adult-cystic-fibrosis-cf-implications-for-patients-with-cf-and-the-potential-for-transmission-of-nosocomial-infection
#3
D G Burke, M J Harrison, C Fleming, M McCarthy, C Shortt, I Sulaiman, D M Murphy, J A Eustace, F Shanahan, C Hill, C Stanton, M C Rea, R P Ross, B J Plant
Clostridium difficile is an anaerobic Gram-positive, spore-forming, toxin-producing bacillus transmitted among humans through the faecal-oral route. Despite increasing carriage rates and the presence of C. difficile toxin in stool, patients with CF rarely appear to develop typical manifestations of C. difficile infection (CDI). In this study, we examined the carriage, toxin production, ribotype distribution and antibiotic susceptibility of C. difficile in a cohort of 60 adult patients with CF who were pre-lung transplant...
November 29, 2016: Journal of Cystic Fibrosis: Official Journal of the European Cystic Fibrosis Society
https://www.readbyqxmd.com/read/27908336/appropriate-antibiotic-therapy
#4
REVIEW
Michael G Allison, Emily L Heil, Bryan D Hayes
Prescribing antibiotics is an essential component of initial therapy in sepsis. Early antibiotics are an important component of therapy, but speed of administration should not overshadow the patient-specific characteristics that determine the optimal breadth of antimicrobial therapy. Cultures should be drawn before antibiotic therapy if it does not significantly delay administration. Combination antibiotic therapy against gram-negative infections is not routinely required, and combination therapy involving vancomycin and piperacillin/tazobactam is associated with an increase in acute kidney injury...
February 2017: Emergency Medicine Clinics of North America
https://www.readbyqxmd.com/read/27904526/new-agents-approved-for-treatment-of-acute-staphylococcal-skin-infections
#5
Jan Tatarkiewicz, Anna Staniszewska, Magdalena Bujalska-Zadrożny
Vancomycin has been a predominant treatment for methicillin-resistant Staphylococcus aureus (MRSA) infections for decades. However, growing reservations about its efficacy led to an urgent need for new antibiotics effective against MRSA and other drug-resistant Staphylococcus aureus strains. This review covers three new anti-MRSA antibiotics that have been recently approved by the FDA: dalbavancin, oritavancin, and tedizolid. The mechanism of action, indications, antibacterial activity profile, microbial resistance, pharmacokinetics, clinical efficacy, adverse effects, interactions as well as available formulations and administration of each of these new antibiotics are described...
December 1, 2016: Archives of Medical Science: AMS
https://www.readbyqxmd.com/read/27904224/estimation-of-drug-absorption-in-antibiotic-soaked-bone-grafts
#6
Manish Ramesh Shah, Rukesh R Patel, Randhirsinh V Solanki, Shailendra H Gupta
INTRODUCTION: There is paucity of literature about antibiotic uptake in bone grafts soaked in antibiotic solutions at room temperature in the operation theatre. We hypothesized that if bone grafts are dipped in different strengths of antibiotic solutions for sufficient period, their utilization at the target site helps in localized release of antibiotics in adequate inhibitory concentration to achieve the bacterial regression. The purpose of the study was to find out: (1) Optimum duration, strength, and volume of antibiotic solution required for dipping bone grafts at room temperature prior to the use...
November 2016: Indian Journal of Orthopaedics
https://www.readbyqxmd.com/read/27902427/phenotypic-and-genetic-characterization-of-multi-drug-resistant-staphylococcus-aureus-in-the-tropics-of-southeast-asia
#7
Siti Norayuni Mohd Zulkeflle, Yus Amira Yusaimi, Norio Sugiura, Koji Iwamoto, Masafumi Goto, Motoo Utsumi, Nor'azizi Bin Othman, Zuriati Zakaria, Hirofumi Hara
Antibiotic resistance has become a major public health problem throughout the world. The presence of antibiotic resistant bacteria such as Staphylococcus aureus (S. aureus) and antibiotic resistance genes (ARGs) in hospital wastewater is cause for great concern today. In this study, 276 S. aureus isolates were recovered from hospital wastewater samples in Malaysia. All of the isolates were screened for susceptibility to nine different classes of antibiotics: ampicillin (AMP), ciprofloxacin (CFX), gentamicin (GMN), kanamycin (KMN), erythromycin (ERM), vancomycin (VAN), trimetoprim and sulfamethaxazole (TM-SMZ), chloramphenicol (CMP), tetracycline (TET), and nalidixic acid (NAL)...
November 3, 2016: Microbiology
https://www.readbyqxmd.com/read/27895857/frequency-of-vana-vanb-and-vanh-variants-amongst-vancomycin-resistant-enterococci-isolated-from-patients-in-central-region-of-iran
#8
Jaafar Rezvani, Reza Nasr, Fatemeh T Shamsabadi, Mohammad Reza Akbari Eidgahi
AIM: The aim of this study was to investigate the VRE frequency and the rate of each gene in isolated enterococci from patients with intestinal infection in the central region of Iran. BACKGROUND: Enterococci infections are a public health growing concern due to the glycopeptide antibiotics resistance especially vancomycin. Genes, vanA, B, and H contribute to the influence of vancomycin-resistant enterococci (VRE). PATIENTS AND METHODS: This study was conducted from January to July 2014 in Shahrood university hospital...
2016: Gastroenterology and Hepatology From Bed to Bench
https://www.readbyqxmd.com/read/27895134/vancomycin-and-the-risk-of-aki-a-systematic-review-and-meta-analysis
#9
Abhisekh Sinha Ray, Ammar Haikal, Kassem A Hammoud, Alan S L Yu
BACKGROUND AND OBJECTIVES: Vancomycin has been in use for more than half a century, but whether it is truly nephrotoxic and to what extent are still highly controversial. The objective of this study was to determine the risk of AKI attributable to intravenous vancomycin. DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS: We conducted a systematic review of randomized, controlled trials and cohort studies that compared patients treated with intravenous vancomycin with a control group of patients given a comparator nonglycopeptide antibiotic and in which kidney function or kidney injury outcomes were reported...
November 28, 2016: Clinical Journal of the American Society of Nephrology: CJASN
https://www.readbyqxmd.com/read/27894963/longitudinal-surveillance-on-antibiogram-of-important-gram-positive-pathogens-in-southern-china-2001-to-2015
#10
Zhenbo Xu, Jinhong Xie, Brian M Peters, Bing Li, Lin Li, Guangchao Yu, Mark E Shirtliff
OBJECTIVES: A longitudinal surveillance aimed to investigate the antibiogram of three genus of important Gram-positive pathogens in Southern China during 2001-2015. METHODS: A total of 3849 Staphylococcus, Enterococcus and Streptococcus strains were isolated from Southern China during 2001-2015. Bacteria identification was performed by colony morphology, Gram staining, the API commercial kit and the Vitek 2 automated system. Antimicrobial susceptibility testing was determined by disk diffusion method and MIC method...
November 25, 2016: Microbial Pathogenesis
https://www.readbyqxmd.com/read/27893743/trends-of-bacterial-keratitis-culture-isolates-in-jerusalem-a-13-years-analysis
#11
Michael Politis, Denise Wajnsztajn, Boris Rosin, Colin Block, Abraham Solomon
PURPOSE: To describe the trends in pathogens and antibacterial resistance of corneal culture isolates in infectious keratitis during a period of 13 years at Hadassah-Hebrew University Medical Center. METHODS: A Retrospective analysis of bacterial corneal isolates was performed during the months of January 2002 to December 2014 at Hadassah Hebrew University Medical Center. Demographics, microbiological data and antibiotic resistance and sensitivity were collected...
2016: PloS One
https://www.readbyqxmd.com/read/27892440/urinary-tract-infection-in-asymptomatic-newborns-with-prolonged-unconjugated-hyperbilirubunemia-a-hospital-based-observational-study-from-western-region-of-nepal
#12
T Malla, B Sathian, K Karmacharya Malla, S Adhikari
Background Urine culture is usually not a part of work-up for neonatal unconjugated hyperbilirubinemia; hence its prevalence remains unknown. Objective This study was done to determine the incidence of urinary tract infection (UTI) in asymptomatic newborns with prolonged unconjugated hyperbilirubinemia and to evaluate which other laboratory parameters are associated with UTIs. Method A prospective observational study where jaundiced newborns otherwise clinically well, were evaluated for UTI. The study was carried out in neonatal intensive care unit of Manipal Teaching Hospital, Pokhara from June 2012 -April 2013...
January 2016: Kathmandu University Medical Journal (KUMJ)
https://www.readbyqxmd.com/read/27891339/bacteriological-profile-of-isolates-from-urine-samples-in-patients-of-benign-prostatic-hyperplasia-and-or-prostatitis-showing-lower-urinary-tract-symptoms
#13
Prem Prakash Mishra, Ved Prakash, Kashmir Singh, H Mog, Sumit Agarwal
INTRODUCTION: The incidence of Benign Prostatic Hyperplasia (BPH) or Prostatitis is increasing considerably worldwide. The Lower Urinary Tract Symptoms (LUTS) due to bacterial aetiology are one of the common factors for the complications among the patients. AIM: To determine the bacterial agents and their antibiotic sensitivity pattern from the urine samples of patients of BPH or Prostatitis showing symptoms of LUTS. MATERIALS AND METHODS: The cross-sectional study was carried out in the Department of Microbiology of Rohilkhand Medical College and Hospital of Northern India from June 2014 to May 2015...
October 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/27890573/pegylated-oleic-acid-a-promising-amphiphilic-polymer-for-nano-antibiotic-delivery
#14
Calvin A Omolo, Rahul S Kalhapure, Mahantesh Jadhav, Sanjeev Rambharose, Chunderika Mocktar, Valence M K Ndesendo, Thirumala Govender
Vancomycin (VM), a last resort to control methicillin-resistant S. aureus (MRSA) infections, is on the verge of becoming ineffective. Novel nano delivery systems of VM have the potential to combat MRSA. The search for novel materials for nanoantibiotic development is therefore an active research area. In this study, oleic acid (OA) was coupled with monomethoxy polyethylene glycol (mPEG) to obtain a novel bio-safe amphiphilic polymer, mPEG-OA. The critical micelle concentration of mPEG-OA, was found to be 4...
November 23, 2016: European Journal of Pharmaceutics and Biopharmaceutics
https://www.readbyqxmd.com/read/27889501/endophthalmitis-after-clear-corneal-cataract-surgery-outcomes-over-two-decades
#15
Nicolas A Yannuzzi, Nancy Si, Nidhi Relhan, Ajay E Kuriyan, Thomas A Albini, Audina M Berrocal, Janet L Davis, William E Smiddy, Justin Townsend, Darlene Miller, Harry W Flynn
PURPOSE: To report the clinical features, causative organisms, and visual acuity (VA) outcomes associated with acute-onset endophthalmitis after clear corneal cataract surgery over the past two decades. DESIGN: Retrospective case series. METHODS: Clinical and microbiology records were reviewed for 63 eyes of 63 patients who presented to a tertiary referral center between 2006 and 2015 with culture-positive endophthalmitis occurring within 6 weeks of clear corneal cataract surgery...
November 23, 2016: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/27889172/safety-assessment-of-tetragenococcus-halophilus-isolates-from-doenjang-a-korean-high-salt-fermented-soybean-paste
#16
Do-Won Jeong, Sojeong Heo, Jong-Hoon Lee
We assessed the safety of 49 Tetragenococcus halophilus strains isolated from doenjang in Korea. Minimum inhibitory concentration assays showed that all strains can be considered as susceptible to ampicillin, erythromycin, penicillin G, tetracycline, and vancomycin, but resistant to ciprofloxacin based on the Enterococcus breakpoint values provided by the European Committee on Antimicrobial Susceptibility testing in 2015. Ciprofloxacin resistance was sufficiently high to consider the potential for acquisition of transmissible determinants...
April 2017: Food Microbiology
https://www.readbyqxmd.com/read/27889013/methicillin-resistant-staphylococcus-aureus-infections-a-review-of-the-currently-available-treatment-options
#17
REVIEW
S M Purrello, J Garau, E Giamarellos, T Mazzei, F Pea, A Soriano, S Stefani
This review is the result of discussions that took place at the 5th MRSA Working Group Consensus Meeting and explores the possible treatment options available for different types of infections due to methicillin-resistant Staphylococcus aureus (MRSA), focusing on those antibiotics that could represent a valid alternative to vancomycin. In fact, whilst vancomycin remains a viable option, its therapy is moving towards individualised dosing. Other drugs, such as the new lipoglycopeptides (oritavancin, dalbavancin and telavancin) and fifth-generation cephalosporins (ceftaroline and ceftobiprole), are showing good in vitro potency and in vivo efficacy, especially for patients infected with micro-organisms with higher vancomycin minimum inhibitory concentrations (MICs)...
December 2016: Journal of Global Antimicrobial Resistance
https://www.readbyqxmd.com/read/27882513/comparison-of-clinico-microbiological-profile-and-treatment-outcome-of-in-house-and-referred-post-cataract-surgery-endophthalmitis-in-a-tertiary-care-center-in-south-india
#18
Vikas Ambiya, Taraprasad Das, Savitri Sharma, Jay Chhablani, Vivek Dave, Subhadra Jalali, Raja Narayanan, Joveeta Joseph
BACKGROUND: The purpose of the study is to compare the clinico-microbiological profile and treatment outcome of in-house vs referred cases of post cataract surgery endophthalmitis in a tertiary eye care facility in South India. METHODS: The clinical records of 50 culture-positive cases each of in-house (group A) and referred (group B) post cataract surgery endophthalmitis were analyzed. The management protocol was similar in both groups. RESULTS: The time to report to the institute was longer in group B (group B 13...
December 2016: Journal of Ophthalmic Inflammation and Infection
https://www.readbyqxmd.com/read/27876960/characterization-and-control-of-symbiotic-bacillus-cereus-isolated-from-the-mid-gut-of-anopheles-subpictus-grassi
#19
Priyanka Mukhopadhyay, Soumendranath Chatterjee
An investigation was done to find out the role of gut bacterium on the larval development and survival of Anopheles subpictus, the vector responsible for the transmission of malaria. An. subpictus mosquitoes breed exclusively in stagnant water, including shrimp/fish ponds with high nutrient level. One bacterial strain (CX2) was isolated from the midgut of late third instar of mosquito larvae. The bacterial isolate was sensitive to recommended doses of tetracyclin (30 µg/disc), doxycycline (30 µg/disc), kanamycin (30 µg/disc), gentamycin (10 µg/disc), streptomycin (10 µg/disc), vancomycin (30 µg/disc), ofloxacin (5 µg/disc), levofloxacin (5 µg/disc), gatifloxacin (10 µg/disc), but resistant to ampicillin (10 µg/disc)...
December 2016: Journal of Parasitic Diseases: Official Organ of the Indian Society for Parasitology
https://www.readbyqxmd.com/read/27876339/diagnosis-and-treatment-of-clostridium-difficile-c-diff-colitis-review-of-the-literature-and-a-perspective-in-gynecologic-oncology
#20
REVIEW
Kristin N Taylor, Michael T McHale, Cheryl C Saenz, Steven C Plaxe
Clostridium difficile infection (CDI) is a major cause of nosocomial diarrhea with the potential for significant morbidity and mortality. Colonization in a susceptible individual, with risk factors such as prior antibiotic use, advanced age, or medical comorbidities, may result in symptomatic infection. Although patients with a gynecologic malignancy may be at a higher risk of developing CDI due to an increased likelihood of having one or more risk factors, data do not consistently support the idea that chemotherapy or cancer itself are independently associated with CDI...
November 19, 2016: Gynecologic Oncology
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