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methicillin sensitive staphylococcus aureus

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https://www.readbyqxmd.com/read/28526569/total-joint-replacement-for-neglected-posterior-knee-dislocation-following-septic-arthritis-after-arthroscopy
#1
Yusuf Öztürkmen, Yunus Emre Akman, Ethem Ayhan Ünkar, Erhan Şükür
This report presents the first case of a knee dislocation following septic arthritis after arthroscopy. A 65-year-old woman had an arthroscopy with irrigation and debridement (I&D) of the joint and microfracture for the chondral lesions. She had complaints of postarthroscopic infection but non-steroidal anti-inflammatory medication and local ice compression was recommended. She revisited her physician twice and at the last visit she had a large purulent effusion in her knee. The gram stain of the joint fluid aspirate demonstrated gram-positive cocci and the cultures grew methicilline-sensitive Staphylococcus aureus...
May 16, 2017: Acta Orthopaedica et Traumatologica Turcica
https://www.readbyqxmd.com/read/28495771/complete-genome-sequence-of-the-disinfectant-susceptibility-testing-reference-strain-staphylococcus-aureus-subsp-aureus-atcc-6538
#2
Olga Makarova, Paul Johnston, Birgit Walther, Jens Rolff, Uwe Roesler
We report here the complete genome sequence of the methicillin-sensitive Staphylococcus aureus subsp. aureus strain ATCC 6538 (FDA 209, DSM 799, WDCM 00032, and NCTC 10788).
May 11, 2017: Genome Announcements
https://www.readbyqxmd.com/read/28495466/methicillin-resistant-staphylococcus-aureus-screening-pcr-adapted-to-locally-emerging-variants-evaluation-of-novel-sccmec-primers
#3
Miriam Herma, Sabine Petersdorf, Birgit Henrich
Infections with multi-resistant bacteria, such as Methicillin-resistant Staphylococcus aureus (MRSA), represent a world-wide health-care problem. The original MRSA Screening TaqMan PCR was based on the detection of the SCCmec-orfX-junction as described by the group of Huletsky in 2004. In the recent years, this assay increasingly failed to detect new MRSA variants in swab specimens. In this work, we analyzed the usefulness of 17 additional SCCmec primers to increase PCR sensitivity by testing 290 collected samples with negative PCR results and positive MRSA culture in a retrospective analysis, and 380 samples of the daily routine diagnostics...
May 3, 2017: International Journal of Medical Microbiology: IJMM
https://www.readbyqxmd.com/read/28492640/impedimetric-measurement-of-dna-dna-hybridisation-using-microelectrodes-with-different-radii-for-detection-of-methicillin-resistant-staphylococcus-aureus-mrsa
#4
Poh Quan Li, Andrew Piper, Ilka Schmueser, Andrew R Mount, Damion K Corrigan
Due to their electroanalytical advantages, microelectrodes are a very attractive technology for sensing and monitoring applications. One highly important application is measurement of DNA hybridisation to detect a wide range of clinically important phenomena, including single nucleotide polymorphisms (SNPs), mutations and drug resistance genes. The use of electrochemical impedance spectroscopy (EIS) for measurement of DNA hybridisation is well established for large electrodes but as yet remains relatively unexplored for microelectrodes due to difficulties associated with electrode functionalisation and impedimetric response interpretation...
May 11, 2017: Analyst
https://www.readbyqxmd.com/read/28492017/ecthyma-gangrenosum-secondary-to-methicillin-sensitive-staphylococcus-aureus
#5
Jurate Ivanaviciene, Lisa Chirch, Jane M Grant-Kels, Philip E Kerr, Justin Finch
Ecthyma gangrenosum (EG) is a well-described skin manifestation of Pseudomonas aeruginosa septicemia in immunocompromised patients. However, it can be seen in association with other bacteria, viruses, and fungi. We report a case of a 54-year-old African American female with metastatic gastric adenocarcinoma and recent chemotherapy and neutropenia who developed EG-like lesions due to methicillin-susceptible Staphylococcus aureus. We also review the literature to evaluate all reported cases of S aureus-associated EG and their clinical presentation, diagnosis, and treatment...
September 2016: International Journal of Women's Dermatology
https://www.readbyqxmd.com/read/28488306/physician-initiated-first-in-human-clinical-study-using-a-novel-angiogenic-peptide-ag30-5c-for-patients-with-severe-limb-ulcers
#6
Hironori Nakagami, Toshifumi Yamaoka, Misa Hayashi, Atsushi Tanemura, Yasushi Takeya, Hitomi Kurinami, Ken Sugimoto, Ayumi Nakamura, Kazunori Tomono, Katsuto Tamai, Ichiro Katayama, Hiromi Rakugi, Yasufumi Kaneda
AIM: In patients with diabetes or ischemia, angiogenesis and infection control are required for chronic leg ulcers, which substantially impair patients' quality of life. We developed a novel functional peptide, named AG30/5C, with angiogenic and anti-microbial properties. Treatment with AG30/5C significantly accelerated the wound healing of full-thickness defects in mice. To evaluate the safety of AG30/5C in the treatment of leg ulcers, a physician-initiated clinical study was carried out...
May 10, 2017: Geriatrics & Gerontology International
https://www.readbyqxmd.com/read/28487577/nasal-swab-results-for-methicillin-resistant-staphylococcus-aureus-and-associated-infections
#7
Josée Rioux, Jenny Edwards, Lauren Bresee, Adrian Abu-Ulba, Stephen Yu, Deonne Dersch-Mills, Ben Wilson
BACKGROUND: Nasal-swab screening for methicillin-resistant Staphylococcus aureus (MRSA) has a quicker turnaround time than other bacterial culture methods, with results available within 24 h. Although MRSA nasal-swab screening is not intended to guide antimicrobial therapy, this method may give clinicians additional information for earlier tailoring of empiric antimicrobial agents. OBJECTIVE: To describe the diagnostic characteristics of nasal-swab screening in predicting MRSA infections in hospitalized patients receiving empiric treatment with IV vancomycin...
March 2017: Canadian Journal of Hospital Pharmacy
https://www.readbyqxmd.com/read/28483964/towards-elimination-of-pin-tract-infections-novel-antibacterial-coating-on-orthopaedic-wires
#8
Dmitry Gil, Sergey Shuvaev, Anastasia Frank-Kamenetskii, Vladimir Reukov, Christopher Gross, Alexey Vertegel
Novel approaches to prevention of microbial infections after insertion of orthopedic external fixators are in great demand because of extremely high incidence rate of such infections, which can reach up to 100% for longer implant residence times. Monolaurin is an antimicrobial agent with known safety record, broadly used in food and cosmetic industries; however, its use in antimicrobial coatings of medical devices has not been studied in much detail. Here, we report the use of monolaurin as an antibacterial coating on external fixators for the first time...
May 8, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28480283/using-nuclear-medicine-imaging-wisely-in-diagnosing-infectious-diseases
#9
REVIEW
Andrea Censullo, Tara Vijayan
In recent years, there has been an increasing emphasis on efficient and accurate diagnostic testing, exemplified by the American Board of Internal Medicine's "Choosing Wisely" campaign. Nuclear imaging studies can provide early and accurate diagnoses of many infectious disease syndromes, particularly in complex cases where the differential remains broad. This review paper offers clinicians a rational, evidence-based guide to approaching nuclear medicine tests, using an example case of methicillin-sensitive Staphylococcus aureus (MSSA) bacteremia in a patient with multiple potential sources...
2017: Open Forum Infectious Diseases
https://www.readbyqxmd.com/read/28476559/infection-with-enterotoxigenic-staphylococcus-aureus-as-a-concern-in-patients-with-gastroenteritis
#10
Masoumeh Azimirad, Anahita Dezfulian, Masoud Alebouyeh, Rasoul Bahreiny Esfehani, Shabnam Shahrokh, Mohammad Reza Zali
OBJECTIVES: Intestinal overgrowth of Staphylococcus aureus may promote unpleasant disorders in the human intestinal tract. This study assessed the prevalence of enterotoxigenic multidrug-resistant S. aureus (MDR-SA) in patients with gastroenteritis. METHODS: Microbiological analysis of 345 faecal samples from patients with gastroenteritis was performed to detect infection with S. aureus in the absence of common enteric pathogens. Methicillin-resistant S. aureus (MRSA) was characterised by the cefoxitin disk diffusion method...
May 2, 2017: Journal of Global Antimicrobial Resistance
https://www.readbyqxmd.com/read/28474179/evaluation-of-sampling-locations-in-pregnant-women-and-newborns-for-the-detection-of-colonisation-with-antibiotic-resistant-bacteria
#11
M Zamfir, A C Adler, S Kolb, A Dammeyer, L Nasri, L Schomacher, B Karlin, M Franitza, S Hörmansdorfer, C Tuschak, G Valenza, U Ochmann, C Herr
Up to now, little has been known about the prevalence and clinical relevance of colonisation of asymptomatic pregnant women with methicillin-susceptible Staphylococcus aureus (MSSA), methicillin-resistant S. aureus (MRSA) or extended-spectrum β-lactamase (ESBL)-producing Escherichia coli. In this two-centre cross-sectional study, we evaluated the performance and importance of screening at different times and different locations for colonisation in pregnant women and newborns. Between October 2013 and December 2015, four samples were collected from pregnant women, two from newborns at birth and three from 3-day-old newborns...
May 4, 2017: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/28473276/cardiac-tamponade-secondary-to-purulent-pericarditis-diagnosed-with-the-aid-of-emergency-department-ultrasound
#12
Mackenzie Gabler
Purulent pericarditis is a rare but devastating disease process and even when treated, carries a poor prognosis. Cardiac tamponade is the most severe complication of purulent pericarditis and without acute surgical intervention, is often fatal. Diagnosis requires pericardiocentesis; however, early consideration of the disease and its complications in the emergency department (ED) can be life-saving. Here, we present a case of an intravenous drug user who presented with altered mental status and a rectal temperature of 105...
April 27, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28471887/recommendations-for-methicillin-resistant-staphylococcus-aureus-prevention-in-adult-icus-a-cost-effectiveness-analysis
#13
Melanie D Whittington, Adam J Atherly, Donna J Curtis, Richard C Lindrooth, Cathy J Bradley, Jonathan D Campbell
OBJECTIVE: Patients in the ICU are at the greatest risk of contracting healthcare-associated infections like methicillin-resistant Staphylococcus aureus. This study calculates the cost-effectiveness of methicillin-resistant S aureus prevention strategies and recommends specific strategies based on screening test implementation. DESIGN: A cost-effectiveness analysis using a Markov model from the hospital perspective was conducted to determine if the implementation costs of methicillin-resistant S aureus prevention strategies are justified by associated reductions in methicillin-resistant S aureus infections and improvements in quality-adjusted life years...
May 3, 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/28471400/epidemiology-and-management-of-acute-haematogenous-osteomyelitis-in-a-tertiary-paediatric-center
#14
Elena Chiappini, Caterina Camposampiero, Simone Lazzeri, Giuseppe Indolfi, Maurizio De Martino, Luisa Galli
Background: Paediatric acute hematogenous osteomyelitis (AHOM) is a serious disease requiring early diagnosis and treatment. To review the clinical presentation, management and organisms responsible for AHOM, and to explore risk factors for complicated AHOM, a large cohort referring to a single center over a 6-year period was evaluated. Methods: Data from children with AHOM, hospitalized between 2010 and 2015, and aged > 1 month, were retrospectively collected and analyzed. Results: 121 children (median age 4...
May 4, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28465985/subclavian-artery-pseudoaneurysm-in-an-unusual-case-of-digital-gangrene
#15
Bhuban Majhi, Nandita Pal
A young male patient presented at a tertiary care hospital with cold and bluish left upper limb accompanied with digital gangrene arousing suspicion of peripheral vascular disease. History did not reveal any high-risk behavior. Clinical examination and subsequent investigations lead to the diagnosis of acute infective endocarditis of native aortic valve along with peripheral embolism caused by methicillin-resistant Staphylococcus aureus. Fogarty's balloon embolectomy was done following which patient developed pseudoaneurysm of the left subclavian artery...
January 2017: Journal of Cardiovascular Echography
https://www.readbyqxmd.com/read/28450195/evaluation-of-the-eazyplex-mrsa-assay-for-the-rapid-detection-of-staphylococcus-aureus-in-pleural-and-synovial-fluid
#16
D Henares, P Brotons, X Buyse, I Latorre, H D de Paz, C Muñoz-Almagro
OBJECTIVE: Loop-mediated isothermal amplification (LAMP) is a simple and sensitive technique for rapid microbiological diagnosis. The aim of this study was to evaluate the analytical and diagnostic performance of the LAMP eazyplex MRSA test for the direct detection and differentiation of methicillin-susceptible (MSSA) and methicillin-resistant Staphylococcus aureus (MRSA) in synovial/pleural fluid. METHODS: Analytical validation included the determination of the limit of detection (LoD) and analytical specificity of the eazyplex MRSA test...
April 24, 2017: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/28442909/tat-functionalized-liposomes-for-the-treatment-of-meningitis-an-in-vitro-study
#17
Caterina Bartomeu Garcia, Di Shi, Thomas J Webster
Bacterial meningitis has become a global concern, because of the emergence of antibiotic-resistant bacteria. It has been demonstrated that liposomes can enter bacteria, thus providing a possible treatment for numerous infections, including meningitis. Fusogenic liposomes are pH-sensitive with a high capacity to fuse with the bacteria membrane and promote intracellular drug release. Moreover, this ability can be improved by using cell-penetrating peptides (such as Tat47-57, which is a peptide derived from the Tat protein of HIV)...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28441350/synthesis-and-bioactivity-evaluation-of-novel-2-salicyloylbenzofurans-as-antibacterial-agents
#18
Phuong-Thuy T Phan, Thu-Trang T Nguyen, Hong-Nhung T Nguyen, Bao-Khanh N Le, Thao T Vu, Dong C Tran, Tuan-Anh N Pham
In order to discover new antibacterial agents, series of 2-salicyloylbenzofuran derivatives were designed, synthesized and evaluated for their antibacterial activities against three Gram-(+) strains (methicillin-sensitive Staphylococcus aureus (MSSA) ATCC 29213, methicillin-resistant Staphylococcus aureus (MRSA) ATCC 43300, and Streptococcus faecalis (S. faecalis) ATCC 29212) and one Gram-(-) strain (Escherichia coli (E. coli) ATCC 25922). The 2-salicyloylbenzofuran heterocycles were generated by Rap-Stoermer condensation of salicylaldehydes with phenacyl bromides and then converted to diverse O-ether derivatives by Williamson synthesis...
April 25, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28440108/microbiology-of-the-upper-and-lower-airways-in-pediatric-cystic-fibrosis-patients
#19
Lindsay Sobin, Kosuke Kawai, Alexandria L Irace, Ozgul Gergin, Michael Cunningham, Gregory S Sawicki, Eelam A Adil
Objective To evaluate the microbiology of the upper and lower airways in pediatric cystic fibrosis (CF) patients who underwent sinus surgery. Study Design Retrospective case series with chart review. Setting Tertiary care children's hospital. Subjects and Methods A total of 201 paired sinus and pulmonary cultures from 105 CF patients were identified between 1996 and 2014. Demographics and culture results were analyzed. Results The mean age of patients was 11.2 ± 5.4 years (range, 1-27 years), and approximately one-half were female...
April 1, 2017: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/28435260/development-of-gold-nanoparticles-coated-with-silica-containing-the-antibiofilm-drug-cinnamaldehyde-and-their-effects-on-pathogenic-bacteria
#20
Mohankandhasamy Ramasamy, Jin-Hyung Lee, Jintae Lee
Emerging resistance to antibiotics is a mounting worldwide health concern and increases the need for nonantibiotic strategies to combat infectious diseases caused by bacterial pathogens. In this study, the authors used the antibiofilm activity of the naturally occurring antimicrobial cinnamaldehyde (CNMA) conjugated to the surface of gold nanoparticles (GNPs) to deliver CNMA efficiently and eradicate biofilms of Gram-negative organisms (enterohemorrhagic Escherichia coli O157:H7, and Pseudomonas aeruginosa), Gram positive (methicillin-sensitive Staphylococcus aureus organisms, and methicillin-resistant Staphylococcus aureus) bacteria...
2017: International Journal of Nanomedicine
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