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Linezolid and vancomycin

Pierre Dehoux, Jean Christophe Marvaud, Amr Abouelleil, Ashlee M Earl, Thierry Lambert, Catherine Dauga
BACKGROUND: Clostridium bolteae and Clostridium clostridioforme, previously included in the complex C. clostridioforme in the group Clostridium XIVa, remain difficult to distinguish by phenotypic methods. These bacteria, prevailing in the human intestinal microbiota, are opportunistic pathogens with various drug susceptibility patterns. In order to better characterize the two species and to obtain information on their antibiotic resistance genes, we analyzed the genomes of six strains of C...
October 21, 2016: BMC Genomics
Hongyu He, Lirong Jin, Minjie Ju, Guowei Tu, Zhe Luo
BACKGROUND: Acute transverse myelitis is uncommon and presumably results from an autoimmune process or a preceding infection. Most cases of bacterial myelitis are due to hematogenous dissemination from urinary or respiratory tract infections or contiguous spreading from a neighboring infected structure. A psoas abscess rarely spreads to higher levels of the spinal cord. No cases of acute cervical myelitis due to a psoas abscess have been previously reported. CASE PRESENTATION: A 34-year-old man was transferred to our hospital due to progressive muscle weakness, sensory deficits and severe hypotension...
October 18, 2016: BMC Infectious Diseases
Asim V Farooq, Joshua H Hou, Sarmad Jassim, Zeeshan Haq, Elmer Y Tu, Jose de la Cruz, Maria S Cortina
OBJECTIVES: To determine the rate of biofilm formation on bandage contact lenses worn by patients with the Boston type 1 keratoprosthesis (K-Pro) while on prophylactic topical vancomycin versus linezolid. METHODS: Patients wearing a bandage contact lens (BCL) with a K-Pro were eligible for enrollment. After irrigation of the ocular surface with 5% povidone-iodine solution, each patient was placed on either topical vancomycin 15 mg/mL or linezolid 0.2% BID for one month...
October 13, 2016: Eye & Contact Lens
Yu-Chia Hsieh, Yu-Chun Lin, Yhu-Chering Huang
The purpose of this study is to evaluate the susceptibility trend of vancomycin, teicoplanin, daptomycin, and linezolid against methicillin-resistant Staphylococcus aureus (MRSA) blood isolates of different clones over an 11-year period.From 2000 to 2010, all bloodstream MRSA isolates from Chang Gung Memorial Hospital in Taiwan were prospectively collected. Three periods, namely 2000 to 2001, 2004 to 2005, and 2010, were included and 124 MRSA isolates were selected from each period. Minimum inhibitory concentrations (MICs) were determined by E-test...
October 2016: Medicine (Baltimore)
Nandini Chatterjee, Chandan Chatterjee, Sinjan Ghosh, Mainak Mukhopadhyay, Ramkrishna Brahmachari, Kartik Patar
BACKGROUND: Indiscriminate use of antibiotics in urinary tract infections have led to emergence of 'superbugs' worldwide. Periodical review of antibiograms is of utmost importance for optimum patient benefit. OBJECTIVE: To identify the spectrum of organisms responsible for urinary tract infection and evaluate the pattern of antibiotic sensitivity of the organisms. METHODS: Urine samples were collected from all consecutive patients getting admitted in the medicine indoor irrespective of symptomatology...
April 2016: Journal of the Association of Physicians of India
S Jolivet, M Fines-Guyon, B Nebbad, J C Merle, D Le Pluart, C Brun-Buisson, J-W Decousser, V Cattoir
BACKGROUND: Vancomycin-resistant Enterococcus raffinosus has rarely been associated with nosocomial infection and outbreaks. AIM: To report the successful control of a nosocomial outbreak of vanA-type vancomycin-resistant E. raffinosus in a surgical intensive care unit. METHODS: The investigation of the outbreak is reported with control measures taken. Molecular typing of vancomycin-resistant E. raffinosus isolates was performed by repetitive sequence-based polymerase chain reaction (PCR)...
September 15, 2016: Journal of Hospital Infection
Vaishali Gaikwad, Tejash Gohel, Shrijeet Panickar, Vijay Chincholkar, Santosh Mangalkar
INTRODUCTION: Staphylococcus is one of the most common causes of nosocomial infection, especially pneumonia, surgical site infections, blood stream infections, and continues to be a major cause of community-acquired infections. The emergence of penicillin resistance followed by the development and spread of strains resistant to the semisynthetic penicillins such as methicillin, oxacillin and nafcillin, macrolides, tetracycline, and aminoglycosides has made the treatment of staphylococcal infection a global challenge...
October 2016: Indian Journal of Pathology & Microbiology
A-F Dureau, G Duclos, F Antonini, D Boumaza, N Cassir, J Alingrin, C Vigne, E Hammad, L Zieleskiewicz, M Leone
Ventilator-associated pneumonia (VAP) due to methicillin-resistant Staphylococcus aureus (MRSA) is associated with excess mortality and costs. Molecular biology test allows rapid identification of MRSA in sputum with high negative predictive value. We hypothesized that use of a rapid diagnostic test in patients with suspected VAP was associated with reduced use of antibiotics directed against MRSA. This retrospective, observational study was conducted in a polyvalent intensive care unit (ICU) of a university hospital...
October 7, 2016: European Journal of Clinical Microbiology & Infectious Diseases
Velma Rebic, Ana Budimir, Mufida Aljicevic, Sabaheta Bektas, Sabina Mahmutovic Vranic, Damir Rebic
BACKGROUND: Methicillin resistant Staphylococcus aureus (MRSA) is responsible for a wide spectrum of nosocomial and community associated infections worldwide. The aim of this study was to analyze MRSA strains from the general population in Canton Sarajevo, B&H. METHODS: Our investigation including either phenotypic and genotypic markers such as antimicrobial resistance, pulsed-field gel electrophoresis (PFGE), SCC typing, and Panton-Valentine leukocidin (PVL) detection...
July 16, 2016: Acta Informatica Medica: AIM
María Pascual-Gallego, Pedro Alonso-Lera, Ana Arribi, Juan A Barcia, Javier Marco
Nocardial brain abscesses are uncommon and rarely occur in patients without predisposing factors. They may be mistaken for gliomas or necrotic metastases, and surgical intervention may be required to make the diagnosis. We report the first case of Nocardia farcinica cerebellar abscess in a patient without immunosuppression. He presented to us with headache and instability beginning a week before. Brain magnetic resonance imaging (MRI) revealed a cystic lesion located at the right cerebellar hemisphere, hypointense in T1 and hyperintense in T2, with a fine wall that enhanced after injection of gadolinium...
October 2016: Asian Journal of Neurosurgery
Myrella Cariry Lira, Paricia Emília Naves Givisiez, Francisca Geovânia Canafístula De Sousa, Marciane Magnani, Evandro Leite De Souza, Denis Augusto Spricigo, Wondwossen Abebe Gebreyes, Celso José Bruno De Oliveira
INTRODUCTION: Biofilm-associated antimicrobial resistance is of increasing importance to the maintenance and spread of foodborne pathogens in the food industry. This study aimed to investigate the ability to form biofilm and the antimicrobial resistance of staphylococci contaminating small-scale goat milk dairy plants. METHODOLOGY: Sixty isolates were tested for antimicrobial resistance against 20 drugs by the microdilution method. Biofilm-forming traits were assessed by the microtiter plate method (MtP), Congo red agar method (CRA), and icaD gene detection by polymerase chain reaction (PCR)...
September 30, 2016: Journal of Infection in Developing Countries
Dragana Protic, Dragana Savic, Dragana Andjelkovic, Nina Djukanovic, Marija Zdravkovic, Sinisa F Djurasevic, Zoran Todorovic
INTRODUCTION: Coagulase-negative staphylococci (CoNS) are increasingly resistant nosocomial pathogens. We aimed to analyze the prevalence of CoNS isolates in clinical settings, the evolution of antimicrobial resistance of CoNS, and antibiotic consumption in a hospital. METHODOLOGY: This retrospective cohort study was carried out at a tertiary healthcare facility over 17 months. Identification of isolated cultures and antibiotic susceptibility testing were performed using the Vitek2 system...
September 30, 2016: Journal of Infection in Developing Countries
M Krull, I Klare, B Ross, R Trenschel, D W Beelen, D Todt, E Steinmann, J Buer, P-M Rath, J Steinmann
BACKGROUND: Prevalence of vancomycin-resistant enterococci has increased in Germany. Here, we report the cluster of linezolid- and vancomycin-resistant Enterococcus faecium (LVRE) in a German department for hematologic stem cell transplantation (HSCT). METHODS: In this retrospective analysis we included all patients with LVRE in a university-based department for HSCT in 2014 and 2015. Patients chart reviews were used to investigate the epidemiology and clinical outcome...
2016: Antimicrobial Resistance and Infection Control
K Li, F E Zhang, A P Wang, G F Zhu
Objective: To investigate the clinical features, pathogenic distribution and drug susceptibility of patients with infective endocarditis (IE). Methods: Clinical data of IE patients were collected, who were admitted to Capital Medical University Affiliated Beijing Anzhen Hospital from January 2012 to March 2015. Results: Three hundred and three IE patients were enrolled with age of (43±16) years old. Fever (85.5%)and cardiac murmur (62.4%)were the most common clinical presentations. Congenital heart diseases was the leading underlying diseases in IE patients...
October 1, 2016: Zhonghua Nei Ke za Zhi [Chinese Journal of Internal Medicine]
Mehdi Goudarzi, Maryam Fazeli, Hossein Goudarzi, Mehdi Azad, Sima Sadat Seyedjavadi
BACKGROUND: The incidence of nosocomial Staphylococcus aureus infection is increasing annually and becoming a true global challenge. The pattern of Staphylococcus aureus protein A (spa) types in different geographic regions is diverse. OBJECTIVES: This study determined the prevalence of methicillin-resistant S. aureus and different spa types in S. aureus clinical isolates. MATERIALS AND METHODS: During a six-month period, 90 S. aureus isolates were recovered from 320 clinical specimens...
July 2016: Jundishapur Journal of Microbiology
Sandhya Nair, Srividya Desai, Nethravathi Poonacha, Aradhana Vipra, Umender Sharma
P128 is an anti-staphylococcal protein comprising a cell wall-degrading enzymatic region and a Staphylococcus-specific binding region, which possesses specific and potent bactericidal activity against sensitive and drug resistant strains of S. aureus To explore P128's ability to kill S. aureus in a range of environments relevant to clinical infection, we investigated the anti-S. aureus activity of P128 alone and in combination with the standard of care antibiotics on planktonic and biofilm-embedded cells. P128 was found to have potent anti-biofilm activity on pre-formed S...
September 26, 2016: Antimicrobial Agents and Chemotherapy
Chiara Matani, Michele Trezzi, Alice Matteini, Carlotta Catalani, Daniela Messeri, Corrado Catalani
Intrapartum antibiotic prophylaxis (IAP) reduces both the vertical transmission of Streptococcus agalactiae or Group B Streptococcus (GBS) and the early onset of neonatal sepsis. However, existing guidelines do not recommend that antimicrobial susceptibility testing (AST) be routinely performed. Penicillin or ampicillin are indicated as first-choice antibiotics, cefazolin being an alternative in the case of history of mild allergic reactions, and vancomycin or clindamycin an alternative in the event of severe reactions...
September 1, 2016: Le Infezioni in Medicina
Narges Mazloomi Nobandegani, Shima Mahmoudi, Babak Pourakbari, Reihaneh Hosseinpour Sadeghi, Mehri Najafi Sani, Fateme Farahmand, Farzaneh Motamed, Raheleh Nabavizadeh Rafsanjani, Setareh Mamishi
INTRODUCTION: Infection is a major cause of morbidity and mortality in patients with cystic fibrosis (CF). Antimicrobial resistance of the bacterial spp. particularly methicillin resistance in Staphylococcus aureus has caused a lot of attention. The aim of this study was to describe the prevalence of S. aureus, Pseudomonas aeruginosa and Burkholderia cepacia-complex as well as their antimicrobial susceptibility patterns in CF patients in an Iranian referral pediatrics Hospital. MATERIAL AND METHODS: From March 2011 until February 2012, 172 samples were collected at the Children Medical Center (CMC), an Iranian referral hospital in Tehran, Iran...
September 22, 2016: Microbial Pathogenesis
Arun K Mishra, Pragya Yadav, Amrita Mishra
The symptoms of Staphylococcal scalded skin syndrome (SSSS) include blistering of skin on superficial layers due to the exfoliative toxins released from Staphylococcus aureus. After the acute exfoliation of skin surface, erythematous cellulitis occurs. The SSSS may be confined to few blisters localized to the infection site and spread to severe exfoliation affecting complete body. The specific antibodies to exotoxins and increased clearence of exotoxins decrease the frequency of SSSS in adults. Immediate medication with parenteral anti-staphylococcal antibiotics is mandatory...
2016: Open Microbiology Journal
Seyed Masoud Mousavi, Mona Nasaj, Seyed Mostafa Hosseini, Mohammad Reza Arabestani
Aim: The aims of the present study were to determine the antibiotic susceptibility profils with particular emphasis on susceptible or resistant strains to macrolides and lincosamids antibiotics and to determine possible antibiotic resistance mechanisms occurring in group B streptococci (GBS) strains using PCR assay and disk diffusion method. Methods: A total of 62 clinical GBS strains were investigated. Antibacterial susceptibility testing was performed using the disk diffusion method and inducible resistance test for clindamycin by standard double disk diffusion or D-zone test for all isolates to differentiate macrolide resistance phenotype (M), constitutive macrolide-lincosamide-streptogramin B phenotype (cMLSB) and induced macrolide-lincosamide-streptogramin B phenotype (iMLSB)...
2016: GMS Hygiene and Infection Control
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