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Vancomycin Antibiotic

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https://www.readbyqxmd.com/read/28432878/in-vitro-susceptibility-of-methicillin-resistant-staphylococcus-aureus-isolates-from-skin-and-soft-tissue-infections-to-vancomycin-daptomycin-linezolid-and-tedizolid
#1
Johanna Marcela Vanegas Múnera, Ana María Ocampo Ríos, Daniela Montoya Urrego, Judy Natalia Jiménez Quiceno
INTRODUCTION: Treatment of multidrug-resistant Gram-positive infections caused by Staphylococcus aureus remains as a clinical challenge due to emergence of new resistance mechanisms. Tedizolid is a next-generation oxazolidinone, recently approved for skin and soft tissues infections. We conducted a study to determine in vitro susceptibility to vancomycin, daptomycin, linezolid, and tedizolid in MRSA clinical isolates from adult patients with skin and soft tissue infections. MATERIAL AND METHODS: Methicillin-resistant S...
April 19, 2017: Brazilian Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28431897/failure-renal-aetiology-in-patients-with-infective-endocarditis-the-role-of-antibiotics
#2
Miguel Ángel Goenaga Sánchez, Xabier Kortajarena Urkola, Emilio Bouza Santiago, Patricia Muñoz García, Eduardo Verde Moreno, M Carmen Fariñas Álvarez, Ramón Teira Cobo, Juan Manuel Pericás Pulido, Arístides de Alarcón González, Dolores Sousa Regueiro, Josefa Ruiz Morales, Regino José Rodríguez-Álvarez, Isabel Antorrena Miranda, José Antonio Iribarren Loyarte
BACKGROUND AND OBJECTIVES: The possible renal toxicity of certain antibiotics (AB) is well known. The objective of our work is to know the possible effect of AB treatments in the development of renal failure (RF) in patients with infective endocarditis (IE). MATERIAL AND METHOD: Collection from a national multi-centre registry of collection on renal function, both prior and its impairment, if any, during the treatment of IE and in relation to possible causative factors, including the use of AB...
April 18, 2017: Medicina Clínica
https://www.readbyqxmd.com/read/28429505/total-synthesis-of-albocycline
#3
Vijay K Chatare, Rodrigo B Andrade
The macrolactone natural product (-)-albocycline is a promising antibiotic candidate for the treatment of both methicillin resistant Staphylococcus aureus (MRSA) and vancomycin-resistant strains. Herein we report a concise total synthesis of (-)-albocycline in 14 steps from commercially available methyl (R)-3-hydroxybutyrate. Novel key steps include the highly regio- and stereoselective reactions of chiral N-sulfinyl metallodienamines (NSMDs) with aldehydes and the Davis oxaziridine, in addition to the Horner-Wadsworth-Emmons olefination of N-sulfinyl imines...
April 21, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28429128/endophthalmitis-associated-with-purpureocillium-lilacinum-during-infliximab-treatment-for-surgically-induced-necrotizing-scleritis-successfully-treated-with-27-gauge-vitrectomy
#4
Masaaki Yoshida, Shunji Yokokura, Hiroshi Kunikata, Naoko Takada, Kazuichi Maruyama, Masahiro Toyokawa, Kazushi Kashio, Mitsuo Kaku, Toru Nakazawa
PURPOSE: To report a case of endophthalmitis associated with Purpureocillium lilacinum (P. lilacinum) during infliximab treatment for surgically induced necrotizing scleritis, successfully treated with 27-gauge vitrectomy. METHODS: A single case report. RESULTS: A 71-year-old man who had undergone immunosuppressive therapy, including infliximab, for surgically induced necrotizing scleritis (SINS) in his left eye complained of visual disturbance and eye pain in the eye...
April 20, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/28428726/successful-treatment-of-prosthetic-joint-infection-due-to-vancomycin-resistant-enterococci-with-tedizolid
#5
Sheng Si, Michael J Durkin, Maureen M Mercier, Melanie L Yarbrough, Stephen Y Liang
Few antibiotic options exist for the management of infections due to vancomycin-resistant enterococci (VRE). We describe a case involving the safe and successful use of tedizolid, a new oxazolidinone, to treat VRE prosthetic joint infection.
March 2017: Infectious Diseases in Clinical Practice: IDCP
https://www.readbyqxmd.com/read/28427133/-effects-of-application-of-vancomycin-in-the-early-stage-of-patients-with-extremely-severe-burn
#6
Z Zhu, G W Cao, J J Bao, Z H Hu, Z Shen, H Tao, B Cao, F Xu
Objective: To evaluate the effects of application of vancomycin in the early stage of patients with extremely severe burn, in order to provide reference to drug for anti-infection treatment in the early stage of patients with extremely severe burn. Methods: Data of 15 patients of Kunshan explosion on August 2nd, 2014, admitted to the Department of Intensive Care in our hospital were retrospectively analyzed. The clinical efficacy of continuously intravenous dripping of vancomycin (combined with imipenem) in the early stage of burns (before and on post burn day 14) was analyzed...
April 20, 2017: Zhonghua Shao Shang za Zhi, Zhonghua Shaoshang Zazhi, Chinese Journal of Burns
https://www.readbyqxmd.com/read/28426995/antibacterial-activity-of-n-methylbenzofuro-3-2-b-quinoline-and-n-methylbenzoindolo-3-2-b-quinoline-derivatives-and-study-of-their-mode-of-action
#7
Ning Sun, Ruo-Lan Du, Yuan-Yuan Zheng, Bao-Hua Huang, Qi Guo, Rui-Fang Zhang, Kwok-Yin Wong, Yu-Jing Lu
The emergence of multidrug-resistant bacteria causes an urgent need for new generation of antibiotics, which may have a different mechanism of inhibition or killing action from the existing. Targeting at the inhibition of bacterial cell division via the control of FtsZ function is one of the effective and promising approaches. Some natural extracts from plants such as sanguinarine and berberine (analogs of pyridinium compounds) are known to alter FtsZ function. In this study, a series of novel quaternary pyridinium compounds was constructed based on the N-methylbenzofuro[3,2-b]quinoline and N-methylbenzoindolo[3,2-b]-quinoline derivatives and their antibacterial activity against nine significant pathogens was investigated using broth microdilution method...
April 15, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28423435/-pathogen-spectrum-of-complex-wounds-in-germany-from-war-zones
#8
Hans Joachim Riesner, Benedikt Friemert, Patricia Lang, Hans Georg Palm, Arnold J Suda
Background Treatment of the injured from war zones with wounds with multi-resistant pathogens is becoming more common in Germany, especially in German Armed Forces Hospitals. In most cases, the pre-treatment of these patients has been inadequate and they have a high load of rare pathogens. In Germany, hospitals have to evaluate these pathogens by law. The aim of this study was to review current German guidelines and data on the array of pathogens of complex trauma wounds in Germany and to compare patients with wounds and multi-resistant pathogens from war zones treated in Germany...
April 19, 2017: Zeitschrift Für Orthopädie und Unfallchirurgie
https://www.readbyqxmd.com/read/28421643/empiric-antibiotic-regimens-for-neonatal-sepsis-in-australian-and-new-zealand-neonatal-intensive-care-units
#9
Jeremy P Carr, David P Burgner, Rohan S Hardikar, Jim P Buttery
AIM: Neonatal sepsis remains an important cause of morbidity and mortality, and requires prompt empiric treatment. However, only a minority of babies who receive antibiotics for suspected sepsis have an infection. Antimicrobial exposure in infancy has important short- and long-term consequences. There is no consensus regarding empirical antimicrobial regimens. METHODS: The study included a survey of empiric antimicrobial regimens in all tertiary neonatal intensive care units in Australia and New Zealand in 2013-2014...
April 19, 2017: Journal of Paediatrics and Child Health
https://www.readbyqxmd.com/read/28419033/oral-only-linezolid-rifampin-is-highly-effective-compared-with-other-antibiotics-for-periprosthetic-joint-infection-study-of-a-mouse-model
#10
John M Thompson, Vikram Saini, Alyssa G Ashbaugh, Robert J Miller, Alvaro A Ordonez, Roger V Ortines, Yu Wang, Robert S Sterling, Sanjay K Jain, Lloyd S Miller
BACKGROUND: The medical treatment of periprosthetic joint infection (PJI) involves prolonged systemic antibiotic courses, often with suboptimal clinical outcomes including increased morbidity and health-care costs. Oral and intravenous monotherapies and combination antibiotic regimens were evaluated in a mouse model of methicillin-resistant Staphylococcus aureus (MRSA) PJI. METHODS: Oral linezolid with or without oral rifampin, intravenous vancomycin with oral rifampin, intravenous daptomycin or ceftaroline with or without oral rifampin, oral doxycycline, or sham treatment were administered at human-exposure doses for 6 weeks in a mouse model of PJI...
April 19, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28418301/severe-mrsa-enterocolitis-caused-by-a-strain-harboring-enterotoxins-d-g-and-i
#11
Marco Bergevin, Alain Marion, David Farber, George R Golding, Simon Lévesque
We describe a case of methicillin-resistant Staphylococcus aureus (MRSA) enterocolitis in a healthy adult with previous antibiotic exposure. Colonoscopy revealed diffuse colitis and mild ileitis without ulceration. Stool cultures demonstrated abundant growth of MRSA and absent normal flora. Oral vancomycin treatment was effective and seems to be the consensus choice for therapy.
May 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28417476/clindamycin-associated-acute-generalized-exanthematous-pustulosis
#12
C Croy, K Buehrle, J Austin Szwak
WHAT IS KNOWN AND THE OBJECTIVE: Acute generalized exanthematous pustulosis (AGEP) is a rare, severe cutaneous reaction that usually occurs following medication exposure. Clindamycin has rarely been linked to dermatologic side effects, including AGEP. CASE SUMMARY: This report details the case of a patient who developed AGEP with vancomycin and clindamycin use. After discontinuing clindamycin, the rash improved significantly. WHAT IS NEW AND CONCLUSION: Timely management of adverse skin reactions to antibiotics is paramount, and early identification of the culprit agent can allow for an alternative agent to be utilized...
April 17, 2017: Journal of Clinical Pharmacy and Therapeutics
https://www.readbyqxmd.com/read/28414681/what-can-erode-through-lungs-bone-and-skin
#13
J M Manalac, D Shankaranayanan, J Paul-Olivier, L Guidry, N R Sells
CASE: A 51 year old African American Man without significant past history presented with three weeks of persistent cough productive of copious yellow sputum. He denied fevers, chills, hemoptysis, dyspnea, weight or appetite changes, sick contacts, recent travel. On physical examination, the patient was afebrile and appeared comfortable. He had decreased air entry of the left lower lobe with dullness to percussion. A 5x3 cm fluctuant mass was incidentally found on the left anterior chest wall at the level of the 11th rib with yellow expressible exudate at which time the patient reported a minor trauma sustained 3 weeks prior...
March 2017: Journal of the Louisiana State Medical Society: Official Organ of the Louisiana State Medical Society
https://www.readbyqxmd.com/read/28412932/isolation-of-enterococci-their-antimicrobial-susceptibility-patterns-and-associated-factors-among-patients-attending-at-the-university-of-gondar-teaching-hospital
#14
Amelework Yilema, Feleke Moges, Sisay Tadele, Mengistu Endris, Afework Kassu, Wondwossen Abebe, Getnet Ayalew
BACKGROUND: Enterococci become clinically important especially in immune compromised patients and important causes of nosocomial infections. Data on the prevalence, antimicrobial susceptibility patterns and associated factors of enterococci are scarce in Ethiopia. METHODS: A hospital based cross-sectional study was conducted at the University of Gondar Teaching Hospital from February 28, 2014 to May 1, 2014. Pretested structured questionnaire was used to collect socio-demographic data and possible associated factors of enterococci infections...
April 17, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28411222/effect-of-antimicrobial-and-physical-treatments-on-growth-of-multispecies-staphylococcal-biofilms
#15
Elizabeth J Stewart, David E Payne, Tianhui Maria Ma, J Scott VanEpps, Blaise R Boles, John G Younger, Michael J Solomon
The prevalence and structure of Staphylococcus aureus and Staphylococcus epidermidis within multispecies biofilms was found to depend sensitively on physical environment and antibiotic dosage. Although these species commonly infect similar sites, such as orthopedic implants, little is known about their behavior in multispecies communities, particularly in response to treatment. This research establishes that S. aureus is much more prevalent than S. epidermidis when simultaneously seeded and grown in unstressed conditions (pH = 7, 37°C) in both laboratory and clinical strains...
April 14, 2017: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/28408721/decarboxylative-borylation
#16
Chao Li, Jie Wang, Lisa M Barton, Shan Yu, Maoqun Tian, David S Peters, Manoj Kumar, Anthony W Yu, Kristen A Johnson, Arnab K Chatterjee, Ming Yan, Phil S Baran
The widespread use of alkyl boronic acids and esters is frequently hampered by the challenges associated with their preparation. Herein we describe a simple and practical method to rapidly access densely functionalized alkyl boronate esters from abundant carboxylic substituents. This broad-scope Ni-catalyzed reaction uses the same activating principle as amide bond formation to replace a carboxylic acid with a boronate ester. Application to peptides allowed expedient preparations of α-amino boronic acids, often with high stereoselectivity, facilitating the synthesis of both FDA approved alkyl boronic acid drugs (Velcade and Ninlaro) as well as a boronic acid version of the iconic antibiotic vancomycin...
April 13, 2017: Science
https://www.readbyqxmd.com/read/28407067/evaluation-of-a-second-sign-process-for-antimicrobial-prior-authorization
#17
Aimee M Dassner, Jennifer E Girotto
Background.: A second-sign prospective restriction of select broad-spectrum antimicrobials was fully implemented in January 2015 as a pediatric antimicrobial stewardship program (ASP) initiative to help ensure the most appropriate empiric use of ceftaroline, cefepime, fidaxomicin, linezolid, and vancomycin (intravenous). The objective of this evaluation is to assess the effectiveness of a forced second-sign process in the electronic medical record as a pediatric ASP strategy. We anticipated that the second-sign process for antibiotics would increase the appropriateness of empiric antibiotic use, as defined by preapproved criteria, clinical pathways, national guidelines, and pediatric-specific infectious diseases reference texts, while not causing significant delay in the initial administration of antibiotic therapy...
April 12, 2017: Journal of the Pediatric Infectious Diseases Society
https://www.readbyqxmd.com/read/28406861/clinical-presentation-microbiologic-profile-and-factors-predicting-outcomes-in-bacillus-endophthalmitis
#18
Vivek P Dave, Avinash Pathengay, Ina Budhiraja, Savitri Sharma, Rajeev R Pappuru, Mudit Tyagi, Raja Narayanan, Subhadra Jalali, Jay Chhablani, Taraprasad Das
PURPOSE: To describe the clinical presentation, microbiologic profile, and factors predicting outcomes in Bacillus endophthalmitis. METHODS: Retrospective interventional case series. Eighty-six patients with culture-proven Bacillus endophthalmitis, from January 2001 to December 2015, underwent vitrectomy/vitreous biopsy and intravitreal antibiotic with or without steroid as appropriate. The undiluted vitreous biopsy was subjected to microbiologic evaluation. The duration of symptoms, presenting visual acuity, organisms isolated, influence of intravitreal dexamethasone with intravitreal antibiotics, and type of initial intervention were examined for any clinical and statistical correlation in terms of odds ratio with the final visual outcome...
April 11, 2017: Retina
https://www.readbyqxmd.com/read/28404671/an-update-on-antimicrobial-resistance-in-clostridium-difficile-resistance-mechanisms-and-antimicrobial-susceptibility-testing
#19
Zhong Peng, Dazhi Jin, Hyeun Bum Kim, Charles W Stratton, Bin Wu, Yi-Wei Tang, Xingmin Sun
Oral antibiotics such as metronidazole, vancomycin and fidaxomicin are therapies of choice for CDI. Several important mechanisms for C. difficile antibiotic resistance have been described; these include the acquisition of antibiotic resistance genes via transfer of mobile genetic elements, selective pressure in vivo resulting in gene mutations, altered expression of redox-active proteins, iron metabolism and DNA repair, as well as biofilm formation. This update summarizes new information published since 2010 on phenotypic and genotypic resistance mechanisms in C...
April 12, 2017: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/28403894/antibiotic-resistant-airborne-bacteria-and-their-multidrug-resistance-pattern-at-university-teaching-referral-hospital-in-south-ethiopia
#20
Fithamlak Bisetegen Solomon, Fiseha Wada Wadilo, Amsalu Amache Arota, Yishak Leka Abraham
BACKGROUND: Hospitals provide a reservoir of microorganisms, many of which are multi-resistant to antibiotics. Emergence of multi-drug resistant strains in a hospital environment, particularly in developing countries is an increasing problem to infection treatment. This study aims at assessing antibiotic resistant airborne bacterial isolates. METHODS: A cross-sectional study was conducted at Wolaita Sodo university teaching and referral Hospital. Indoor air samples were collected by using passive air sampling method...
April 12, 2017: Annals of Clinical Microbiology and Antimicrobials
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