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Penicillin susceptible staphylococcus

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https://www.readbyqxmd.com/read/29786847/assessment-of-antibiotic-susceptibility-within-lactic-acid-bacteria-and-coagulase-negative-staphylococci-isolated-from-hunan-smoked-pork-a-naturally-fermented-meat-product-in-china
#1
Jing Wang, Xinyuan Wei, Mingtao Fan
The aim of this study was to evaluate the antibiotic susceptibility of lactic acid bacteria (LAB) and coagulase-negative staphylococci (CNS) strains isolated from naturally fermented smoked pork produced in Hunan, China. A total of 48 strains were isolated by selective medium and identified at the species level by 16S rRNA gene sequencing as follows: Staphylococcus carnosus (23), Lactobacillus plantarum (12), Lactobacillus brevis (10), Lactobacillus sakei (1), Weissella confusa (1), and Weissella cibaria (1)...
May 22, 2018: Journal of Food Science
https://www.readbyqxmd.com/read/29774878/-etiology-and-risk-factors-for-meningitis-and-or-bacteremia-after-craniotomy-for-patients-with-glioma
#2
Yaning Wang, Yu Wang, Wenbin Ma
To evaluate the incidence and microbiological profile of meningitis and/or bacteremia after craniotomy in patients with glioma and analyze the risk factors relevant to postoperative meningitis.
 Methods: All demographic data, etiological data and clinical data for hospitalized patients who underwent craniotomy in Dept. of Neurosurgery of Peking Union Medical College Hospital between Jan. 2013 to Dec. 2017 were recorded.
 Results: The incidence of post-craniotomy meningitiswas 7.73%, bacteremia was 2.21% and meningitis combined with bacteremia was 1...
April 28, 2018: Zhong Nan da Xue Xue Bao. Yi Xue Ban, Journal of Central South University. Medical Sciences
https://www.readbyqxmd.com/read/29751844/prevalence-and-antimicrobial-susceptibility-patterns-of-methicillin-resistant-staphylococcus-aureus-among-janitors-of-mekelle-university-north-ethiopia
#3
Atsebaha Gebrekidan Kahsay, Dawit Gebreegziabher Hagos, Getahun Kahsay Abay, Tadele Araya Mezgebo
OBJECTIVE: The objective of this study was to determine the prevalence of methicillin-resistant Staphylococcus aureus and antimicrobial susceptibility patterns among janitors working at Mekelle University, Tigray, Northern Ethiopia. RESULT: The overall prevalence of S. aureus and MRSA in the present study were 17.97% (69/384) and 6.25% (24/384) respectively. Although not statistically significant, the prevalence of MRSA among janitors working in the medical area (9...
May 11, 2018: BMC Research Notes
https://www.readbyqxmd.com/read/29746496/pharyngeal-colonization-and-drug-resistance-profiles-of-morraxella-catarrrhalis-streptococcus-pneumoniae-staphylococcus-aureus-and-haemophilus-influenzae-among-hiv-infected-children-attending-art-clinic-of-felegehiwot-referral-hospital-ethiopia
#4
Wondemagegn Mulu, Endalew Yizengaw, Megbaru Alemu, Daniel Mekonnen, Derese Hailu, Kassaw Ketemaw, Bayeh Abera, Mulugeta Kibret
BACKGROUND: Asymptomatic pharyngeal colonization by potential bacteria is the primary reservoir for bacterial species within a population and is considered a prerequisite for development of major childhood diseases such as sinusitis, otitis media, pneumonia, bacteremia, and meningitis. However, there is dearth of data on the colonization and drug resistance pattern of the main bacterial pathogens in the pharynx of HIV infected children in Ethiopia. Therefore, this study determined the pharyngeal colonization and drug resistance profile of bacterial pathogens in HIV infected children attending ART clinic of Felegehiwot Referral Hospital (FHRH), Amhara Region, Ethiopia...
2018: PloS One
https://www.readbyqxmd.com/read/29733799/asymptomatic-bacteriuria-and-antimicrobial-susceptibility-pattern-of-the-isolates-among-pregnant-women-attending-dessie-referral-hospital-northeast-ethiopia-a-hospital-based-cross-sectional-study
#5
Ismail Ebrie Ali, Teklay Gebrecherkos, Mucheye Gizachew, Martha Alemayehu Menberu
OBJECTIVE: The aim of the current study was to find out the prevalence of asymptomatic bacteriuria, antimicrobial susceptibility pattern of the isolates and related risk factors among pregnant women. MATERIAL AND METHODS: A hospital-based cross-sectional study was carried out from February 2017 to May 2017 among asymptomatic pregnant mothers attending Dessie Referral Hospital, Northeast Ethiopia. About 10-15 mL of freshly voided midstream urine samples were collected from each study participants, and analyzed at Dessie regional research microbiology laboratory with conventional antibiotic susceptibility, and biochemical tests...
May 2018: Turkish Journal of Urology
https://www.readbyqxmd.com/read/29731649/comparative-evaluation-of-methods-for-the-detection-of-biofilm-formation-in-coagulase-negative-staphylococci-and-correlation-with-antibiogram
#6
Lok Bahadur Shrestha, Narayan Raj Bhattarai, Basudha Khanal
Introduction: Coagulase-negative staphylococci (CNS) are normal commensals of human skin and mucous membranes. The objective of the study was to determine the prevalence of CNS among clinical isolates, characterize them up to species level, compare the three conventional methods for detection of biofilm formation, and study their antimicrobial susceptibility pattern. Materials and methods: CNS were obtained from various clinical samples including blood, urine, central venous catheter tips, endotracheal tube aspirate, and pus during a 1-year period (July 1, 2014, to June 30, 2015)...
2018: Infection and Drug Resistance
https://www.readbyqxmd.com/read/29721021/molecular-typing-and-antimicrobial-susceptibility-of-methicillin-resistant-staphylococcus-aureus-isolated-from-bovine-milk-in-tanzania
#7
Jibril Mohammed, Michael Henry Ziwa, Yaovi Mahuton Gildas Hounmanou, Adela Kisanga, Huruma Nelwike Tuntufye
Methicillin-resistant Staphylococcus aureus (MRSA) in raw milk can be transmitted from animals to humans, and in Tanzania raw milk is sold in local markets and consumed as purchased. This study was performed to determine the molecular characteristics and antimicrobial susceptibility pattern of MRSA strains isolated from raw bovine milk sold at local markets in Tanzania. A total of 117 raw milk samples were cultured on Baird-Parker medium to isolate S. aureus and PCR was used for amplification of gltB gene for S...
2018: International Journal of Microbiology
https://www.readbyqxmd.com/read/29685170/nasal-carriage-risk-factors-and-antimicrobial-susceptibility-pattern-of-methicillin-resistant-staphylococcus-aureus-among-healthcare-workers-in-adigrat-and-wukro-hospitals-tigray-northern-ethiopia
#8
Haftom Legese, Atsebaha Gebrekidan Kahsay, Amlisha Kahsay, Tadele Araya, Gebre Adhanom, Saravanan Muthupandian, Araya Gebreyesus
OBJECTIVE: The aim of this study was to determine nasal carriage, risk factors and antimicrobial susceptibility pattern of methicillin resistant Staphylococcus aureus among health care-workers of Adigrat and Wukro hospitals Northern Ethiopia. RESULTS: The overall prevalence of S. aureus and methicillin resistance S. aureus (MRSA) in the present study were 12% (29/242) and 5.8% (14/242) respectively. The rate of MRSA among S. aureus was 48.3%(14/29). In this study, MRSA carriage was particularly higher among nurse professionals (7...
April 23, 2018: BMC Research Notes
https://www.readbyqxmd.com/read/29621629/genetic-characterization-of-staphylococcus-aureus-isolated-from-milk-and-nasal-samples-of-healthy-cows-in-tunisia-first-report-of-st97-t267-agri-sccmecv-mrsa-of-bovine-origin-in-tunisia
#9
Monia Khemiri, Mohamed Salah Abbassi, Natacha Couto, Riadh Mansouri, Salah Hammami, Constança Pomba
OBJECTIVES: This study aimed to screen for and characterize methicillin-susceptible S. aureus (MSSA) and MRSA in nasal swabs and milk from healthy cows from different regions in Tunisia. METHODS: One hundred and forty-one Staphylococcus spp. isolates were recovered from milk and nasal swabs of cows. S. aureus isolates were further characterized by determining their antibiotic susceptibilities, genes encoding antibiotic resistance and virulence factors, biofilm production, agr type and PFGE...
April 2, 2018: Journal of Global Antimicrobial Resistance
https://www.readbyqxmd.com/read/29615129/antimicrobial-susceptibility-pattern-of-staphylococcus-aureus-isolates-from-clinical-specimens-at-kenyatta-national-hospital
#10
Wilfred Gitau, Moses Masika, Moses Musyoki, Beatrice Museve, Titus Mutwiri
OBJECTIVE: To determine antibiotic susceptibility pattern of S. aureus isolates from clinical specimens collected from patients at Kenyatta National Hospital from March 2014-February 2016, and to determine the prevalence and quarterly trends of MRSA throughout the study period. RESULTS: A total of 944 S. aureus isolates were analyzed. High sensitivity of S. aureus was observed for quinupristin/dalfopristin (100%), tigecycline (98.2), imipenem (98%), nitrofurantoin (97...
April 3, 2018: BMC Research Notes
https://www.readbyqxmd.com/read/29606816/antibiotic-susceptibility-and-treatment-response-in-bacterial-skin-infection
#11
Ji Soo Lim, Hyun-Sun Park, Soyun Cho, Hyun-Sun Yoon
Background: Bacterial skin infections occur secondarily in conditions involving a vulnerable skin barrier such as atopic eczema, as well as primarily such as impetigo. They are mainly caused by Staphylococcus aureus and Streptococci . Recently, the prevalence of methicillin-resistant S. aureus has been increasing. Objective: To determine the characteristics of community-acquired bacterial skin infections, to observe their antibiotic susceptibility patterns, and to evaluate factors contributing to the treatment response...
April 2018: Annals of Dermatology
https://www.readbyqxmd.com/read/29600070/deep-sternal-wound-infection-after-cardiac-surgery-a-comparison-of-three-different-wound-infection-types-and-an-analysis-of-antibiotic-resistance
#12
Jia-Gui Ma, Jian-Xiong An
Background: Deep sternal wound infection (DSWI) is a severe complication following cardiac surgery. We compared epidemiology, clinical features, and microbiology of three types of DSWI and examined the antibiotic resistance in DSWI patients. Methods: From 2011 to 2015, 170 adult post-cardiac surgery DSWI patients were recruited for this study and underwent the pectoralis major muscle flap transposition in our department. Results: Of 170 adult patients with DSWI (mean age of 54 years), the majority (99 patients, 58...
January 2018: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/29594949/characterization-of-multiple-antibiotic-resistant-clinical-strains-of-staphylococcus-isolated-from-pregnant-women-vagina
#13
Bakwena Ashton Hetsa, Ajay Kumar, Collins Njie Ateba
Vagina which is one of the important reservoirs for Staphylococcus and in pregnant women pathogenic strains may infect the child during the birth or by vertical transmission. A total of 68 presumptive Staphylococcus strains isolated from human vagina were found to be gram-positive cocci, and only 32 (47%) isolates were found beta-hemolytic. Matrix-assisted laser desorption/ionization time-of-flight mass-spectrometry (MALDI-TOF MS) results confirmed 33 isolates belonged to Staphylococcus which consisting of 6 species, i...
March 29, 2018: Folia Microbiologica
https://www.readbyqxmd.com/read/29594180/influence-of-reported-penicillin-allergy-on-mortality-in-mssa-bacteremia
#14
Nicholas A Turner, Rebekah Moehring, Christina Sarubbi, Rebekah H Wrenn, Richard H Drew, Coleen K Cunningham, Vance G Fowler, Deverick J Anderson
Background: Penicillin allergy frequently impacts antibiotic choice. As beta-lactams are superior to vancomycin in treating methicillin-susceptible Staphylococcus aureus (MSSA) bacteremia, we examined the effect of reported penicillin allergy on clinical outcomes in patients with MSSA bacteremia. Methods: In this retrospective cohort study of adults with MSSA bacteremia admitted to a large tertiary care hospital, outcomes were examined according to reported penicillin allergy...
March 2018: Open Forum Infectious Diseases
https://www.readbyqxmd.com/read/29564245/characterization-of-resistance-to-selected-antibiotics-and-panton-valentine-leukocidin-positive-staphylococcus-aureus-in-a-healthy-student-population-at-a-malaysian-university
#15
Zarizal Suhaili, Putri 'Amira Rafee, Norhidayah Mat Azis, Chew Chieng Yeo, Syafinaz Amin Nordin, Abdul Rachman Abdul Rahim, Mazen M Jamil Al-Obaidi, Mohd Nasir Mohd Desa
Introduction: This study aims to assess the antimicrobial susceptibility profiles of Staphylococcus aureus strains isolated from university students and to determine the prevalence of constitutive and inducible clindamycin resistance, the latter being able to cause therapeutic failure due to false in vitro clindamycin susceptibility. Methods: S. aureus strains were isolated from the nasal swabs of 200 health sciences students of a Malaysian university. Twelve classes of antibiotics were used to evaluate the antimicrobial susceptibility profiles with the macrolide-lincosamide-streptogramin B (MLSB ) phenotype for inducible clindamycin resistance determined by the double-diffusion test (D-test)...
March 2018: Germs
https://www.readbyqxmd.com/read/29542385/previous-antibiotic-exposure-and-antibiotic-resistance-of-commensal-staphylococcus-aureus-in-spanish-primary-care
#16
Albert Boada, Mariona Pons-Vigués, Jordi Real, Elisabet Grezner, Bonventura Bolíbar, Carl Llor
INTRODUCTION: Commensal flora of healthy people is becoming an important reservoir of resistant bacteria. OBJECTIVES: To evaluate the relationship of previous antibiotic-dispensed and resistance pattern of strains of Staphylococcus aureus in primary care patients. METHODS: A cross-sectional study was carried out in seven primary care centres in Catalonia, Spain, from October 2010 to May 2011, as part of the APRES (The appropriateness of prescribing antibiotics in primary care in Europe concerning antibiotic resistance) study...
December 2018: European Journal of General Practice
https://www.readbyqxmd.com/read/29526442/nafcillin-versus-cefazolin-for-the-treatment-of-methicillin-susceptible-staphylococcus-aureus-bacteremia
#17
Marguerite L Monogue, Jessica K Ortwine, Wenjing Wei, Khalid Eljaaly, Kavita P Bhavan
BACKGROUND: Anti-staphylococcal penicillins have long been the first-line treatment option for methicillin-susceptible Staphylococcus aureus (MSSA) infections. Recent retrospective data comparing nafcillin and cefazolin report similar clinical efficacy despite concerns about high inoculum MSSA infections. METHODS: This was a retrospective, non-inferiority, cohort study comparing treatment failure rates between nafcillin and cefazolin in patients with MSSA bacteremia from any source, other than meningitis...
March 8, 2018: Journal of Infection and Public Health
https://www.readbyqxmd.com/read/29501453/staphylococcus-aureus-in-the-airways-of-cystic-fibrosis-patients-a-retrospective-long-term-study
#18
Mathias Schwerdt, Claudia Neumann, Bianca Schwartbeck, Stefanie Kampmeier, Susann Herzog, Dennis Görlich, Angelika Dübbers, Jörg Große-Onnebrink, Christina Kessler, Peter Küster, Holger Schültingkemper, Janina Treffon, Georg Peters, Barbara C Kahl
BACKGROUND: Cystic fibrosis (CF) is an autosomal recessive disease associated with chronic airway infections by Staphylococcus aureus as one of the earliest and most prevalent pathogens. We conducted a retrospective study to determine the S. aureus infection status of CF patients treated since 1994 at two certified CF-centres in Münster, Germany, to get insights into the dynamics of S. aureus airway infection and the clinical impact on lung function on a long-term perspective. MATERIALS AND METHODS: We used data from our microbiological database collected between 1994 and 2016 for patients treated at two centres in Münster, Germany, respectively, to determine the infection status for S...
February 24, 2018: International Journal of Medical Microbiology: IJMM
https://www.readbyqxmd.com/read/29499317/a-large-retrospective-cohort-study-of-cefazolin-compared-with-flucloxacillin-for-methicillin-susceptible-staphylococcus-aureus-bacteraemia
#19
J S Davis, J Turnidge, S Y C Tong
BACKGROUND AND OBJECTIVES: Antistaphylococcal penicillins (ASPs) are recommended as first line treatment for invasive infections caused by methicillin-susceptible Staphylococcus aureus (MSSA). Cefazolin is an alternative option, but there is theoretical concern about using it due to the fact that some MSSA strains produce beta-lactamases active against cefazolin. We aimed to compare outcomes from patients with MSSA infections treated with flucloxacillin and cefazolin. METHODS: We analysed data from The Australia and New Zealand Co-operative Outcomes of Staphylococcal Sepsis (ANZCOSS) observational study, which included all consecutive unique episodes of Staphylococcus aureus bacteraemia from 27 hospital-based or independent microbiology laboratories from January 2007 to September 2013...
February 27, 2018: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/29487577/-staphylococcus-aureus-complex-in-the-straw-colored-fruit-bat-eidolon-helvum-in-nigeria
#20
Ayodele Olatimehin, Adebayo O Shittu, Francis C Onwugamba, Alexander Mellmann, Karsten Becker, Frieder Schaumburg
Bats are economically important animals and serve as food sources in some African regions. They can be colonized with the Staphylococcus aureus complex, which includes Staphylococcus schweitzeri and Staphylococcus argenteus . Fecal carriage of S. aureus complex in the straw-colored fruit bat ( Eidolon helvum ) has been described. However, data on their transmission and adaptation in animals and humans are limited. The aim of this study was to investigate the population structure of the S. aureus complex in E...
2018: Frontiers in Microbiology
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