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mrsa and bacteremia

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https://www.readbyqxmd.com/read/27872830/bacteremia-in-hemodialysis-patients
#1
REVIEW
Masashi Suzuki, Nobuhiko Satoh, Motonobu Nakamura, Shoko Horita, George Seki, Kyoji Moriya
Infection is a common complication and is the second leading cause of death in hemodialysis patients. The risk of bacteremia in hemodialysis patients is 26-fold higher than in the general population, and 1/2-3/4 of the causative organisms of bacteremia in hemodialysis patients are Gram-positive bacteria. The ratio of resistant bacteria in hemodialysis patients compared to the general population is unclear. Several reports have indicated that hemodialysis patients have a higher risk of methicillin-resistant Staphylococcus aureus infection...
November 6, 2016: World Journal of Nephrology
https://www.readbyqxmd.com/read/27870814/the-contemporary-microbiology-and-rates-of-concomitant-osteomyelitis-in-acute-septic-arthritis
#2
Jessica Branson, Jesus G Vallejo, Anthony R Flores, Kristina G Hulten, Edward O Mason, Sheldon L Kaplan, J Chase McNeil
BACKGROUND: Septic arthritis (SA) and acute osteomyelitis (AO) are among the most common serious bacterial infections of childhood. Knowledge of the microbiology of SA is critical to treatment. Awareness of the presence of attendant AO is also important to guide clinical management. We sought to describe the current microbiology of SA in children as well as describe clinical features associated with coexisting AO. MATERIALS AND METHODS: Patients with SA were identified from the infectious diseases consult service records from 2010-2014...
November 18, 2016: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/27869407/community-acquired-staphylococcus-aureus-bacteremia-in-children-a-cohort-study-for-2010-2014
#3
Guadalupe Pérez, Soledad Martiren, Vanesa Reijtman, Romina Romero, Alejandra Mastroianni, Lidia Casimir, Rosa Bologna
INTRODUCTION: Community-acquired methicillin-resistant Staphylococcus aureus infections are a common, serious problem in pediatrics. OBJETIVE: To describe antibiotic resistance in community-acquired Staphylococcus aureus (SA) bacteremias. To compare the characteristics of SA bacteremias in terms of methicillin resistance. MATERIALS AND METHODS: Prospective cohort enrolled between January 2010 and December 2014. Inclusion criteria: infants and children between 30 days old and 16 years old hospitalized at the Hospital de Pediatria J...
December 1, 2016: Archivos Argentinos de Pediatría
https://www.readbyqxmd.com/read/27767002/experience-with-rapid-microarray-based-diagnostic-technology-and-antimicrobial-stewardship-for-patients-with-gram-positive-bacteremia
#4
Elizabeth A Neuner, Andrea M Pallotta, Simon W Lam, David Stowe, Steven M Gordon, Gary W Procop, Sandra S Richter
OBJECTIVE To describe the impact of rapid diagnostic microarray technology and antimicrobial stewardship for patients with Gram-positive blood cultures. DESIGN Retrospective pre-intervention/post-intervention study. SETTING A 1,200-bed academic medical center. PATIENTS Inpatients with blood cultures positive for Staphylococcus aureus, Enterococcus faecalis, E. faecium, Streptococcus pneumoniae, S. pyogenes, S. agalactiae, S. anginosus, Streptococcus spp., and Listeria monocytogenes during the 6 months before and after implementation of Verigene Gram-positive blood culture microarray (BC-GP) with an antimicrobial stewardship intervention...
November 2016: Infection Control and Hospital Epidemiology
https://www.readbyqxmd.com/read/27765353/carnosic-acid-acts-synergistically-with-gentamicin-in-killing-methicillin-resistant-staphylococcus-aureus-clinical-isolates
#5
Nicolás M Vázquez, Graciela Fiorilli, Paulo A Cáceres Guido, Silvia Moreno
BACKGROUND: Methicillin-resistant Staphylococcus aureus (MRSA) is resistant to different commonly used antibiotics, stressing the need for further strategies to treat this human pathogen with worldwide prevalence. The use of phytochemicals within the current pharmacology is a promising approach to enhance the antimicrobial activity of common antibiotics in the battle against these bacteria. PURPOSE: The purpose of this study was to determine the antimicrobial effectiveness of carnosic acid, the major constituent of Rosmarinus officinalis L...
November 15, 2016: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/27738564/hospital-acquired-methicillin-resistant-staphylococcus-aureus-bacteremia-related-to-medicare-antibiotic-prescriptions-a-state-level-analysis
#6
Bryce T Fukunaga, Wesley K Sumida, Deborah A Taira, James W Davis, Todd B Seto
Methicillin-resistant Staphylococcus aureus (MRSA) results in almost half of all deaths caused by antibiotic resistant organisms. Current evidence suggests that MRSA infections are associated with antibiotic use. This study examined state-level data to determine whether outpatient antibiotic use was associated with hospital-acquired MRSA (HA-MRSA) infections. The 2013 Centers for Disease Control and Prevention (CDC) Healthcare-Associated Infections Progress Report was used to obtain HA-MRSA infection rates...
October 2016: Hawai'i Journal of Medicine & Public Health: a Journal of Asia Pacific Medicine & Public Health
https://www.readbyqxmd.com/read/27736763/using-mrsa-screening-tests-to-predict-methicillin-resistance-in-staphylococcus-aureus-bacteremia
#7
Guillaume Butler-Laporte, Matthew P Cheng, Alexandre P Cheng, Emily G McDonald, Todd C Lee
Bloodstream infections with Staphylococcus aureus are clinically significant and are often treated with empirical methicillin resistance (MRSA, methicillin-resistant S. aureus) coverage. However, vancomycin has associated harms. We hypothesized that MRSA screening correlated with resistance in S. aureus bacteremia and could help determine the requirement for empirical vancomycin therapy. We reviewed consecutive S. aureus bacteremias over a 5-year period at two tertiary care hospitals. MRSA colonization was evaluated in three ways: as tested within 30 days of bacteremia (30-day criterion), as tested within 30 days but accounting for any prior positive results (ever-positive criterion), or as tested in known-positive patients, with patients with unknown MRSA status being labeled negative (known-positive criterion)...
December 2016: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/27730778/antibiotic-lock-therapy-in-the-era-of-gram-negative-resistance
#8
Rajeev Soman, Neha Gupta, Mitesh Suthar, Jatin Kothari, Alan Almeida, Anjali Shetty, Camilla Rodrigues
BACKGROUND: Central-line-associated blood-stream infection (CLABSI) is a highly consequential nosocomial infection. The most effective management includes the removal of the infected catheter. Retention of the catheter and antibiotic lock therapy (ALT) along with systemic antibiotics may be attempted only if there are unusual extenuating circumstances. CLABSIs due to Gram-negative bacteria (GNB) is more common in our setting and the organisms are often highly resistant. Hence, there is a need to explore the use of novel antimicrobials for catheter lock solutions along with antibiofilm agents...
February 2016: Journal of the Association of Physicians of India
https://www.readbyqxmd.com/read/27709434/complete-adherence-to-evidence-based-quality-of-care-indicators-for-staphylococcus-aureus-bacteremia-resulted-in-better-prognosis
#9
Miki Nagao, Masaki Yamamoto, Yasufumi Matsumura, Isao Yokota, Shunji Takakura, Satoshi Teramukai, Satoshi Ichiyama
PURPOSE: Staphylococcus aureus bacteremia (SAB) is a serious clinical condition associated with high morbidity and mortality. Recent studies have revealed that adherence to evidence-based quality-of-care indicators (QCIs) for the management of SAB could result in reduced mortality. We aimed to determine whether compliance with QCIs was associated with mortality and whether compliance with QCIs predicted the mortality of patients with SAB. METHODS: In a university hospital in Kyoto, Japan, SAB patients, who survived at least 14 days after positive blood cultures were analyzed from 2006 to 2014 to assess their compliance with QCIs and the trend in mortality...
October 5, 2016: Infection
https://www.readbyqxmd.com/read/27658769/impact-of-a-hand-hygiene-campaign-in-a-tertiary-hospital-in-south-korea-on-the-rate-of-hospital-onset-methicillin-resistant-staphylococcus-aureus-bacteremia-and-economic-evaluation-of-the-campaign
#10
June Young Chun, Hye Kyung Seo, Min-Kyung Kim, Myoung Jin Shin, Su Young Kim, Moonsuk Kim, Chung-Jong Kim, Kyoung-Ho Song, Eu Suk Kim, Heeyoung Lee, Hong Bin Kim
BACKGROUND: Hand hygiene (HH) is the most important factor affecting health care-associated infections. METHODS: We introduced a World Health Organization HH campaign in October 2010. The monthly procurement of hand sanitizers per 1,000 patient days was calculated, and the monthly incidence of methicillin-resistant Staphylococcus aureus bacteremia (MRSAB), classified into community- and hospital-onset (HO), was measured from a microbiologic laboratory database. Trends of MRSAB incidence were assessed using Bayesian structural time series models...
December 1, 2016: American Journal of Infection Control
https://www.readbyqxmd.com/read/27645403/taking-advantage-of-public-reporting-an-infection-composite-score-to-assist-evaluating-hospital-performance-for-infection-prevention-efforts
#11
Mohamad G Fakih, Boguslow Skierczynski, Angelo Bufalino, Clariecia Groves, Phillip Roberts, Michelle Heavens, Ann Hendrich, Ziad Haydar
BACKGROUND: The standardized infection ratio (SIR) evaluates individual publicly reported health care-associated infections, but it may not assess overall performance. METHODS: We piloted an infection composite score (ICS) in 82 hospitals of a single health system. The ICS is a combined score for central line-associated bloodstream infections, catheter-associated urinary tract infections, colon and abdominal hysterectomy surgical site infections, and hospital-onset methicillin-resistant Staphylococcus aureus bacteremia and Clostridium difficile infections...
December 1, 2016: American Journal of Infection Control
https://www.readbyqxmd.com/read/27592834/long-term-treatment-of-teicoplanin-for-methicillin-resistant-staphylococcus-aureus-sternal-osteomyelitis-with-renal-impairment-a-case-of-high-teicoplanin-trough-levels-maintained-by-therapeutic-drug-monitoring
#12
Hideo Shiohira, Masashi Nakamatsu, Yuya Kise, Futoshi Higa, Masao Tateyama, Nobuo Hokama, Yukio Kuniyoshi, Shinichiro Ueda, Katsunori Nakamura, Jiro Fujita
Teicoplanin, a glycopeptide antibiotic for methicillin-resistant Staphylococcus aureus, is recommended for therapeutic drug monitoring during treatment. Maintaining a high trough range of teicoplanin is also recommended for severe infectious disease. However, the optimal dose and interval of treatment for severe renal impairment is unknown. We report a 79-year-old man who received long-term teicoplanin treatment for methicillin-resistant Staphylococcus aureus bacteremia due to postoperative sternal osteomyelitis with renal impairment...
2016: Yakugaku Zasshi: Journal of the Pharmaceutical Society of Japan
https://www.readbyqxmd.com/read/27572414/cefazolin-and-ertapenem-a-synergistic-combination-used-to-clear-persistent-staphylococcus-aureus-bacteremia
#13
George Sakoulas, Joshua Olson, Juwon Yim, Niedita B Singh, Monika Kumaraswamy, Diana T Quach, Michael J Rybak, Joseph Pogliano, Victor Nizet
BACKGROUND: Ertapenem and cefazolin were used in combination to successfully clear refractory methicillin-susceptible Staphylcoccus aureus (MSSA) bacteremia. In addition, recent work has demonstrated acitivity of combination beta-lactam therapy from different classes against MRSA. METHODS: Ertapenem plus cefazolin combination was evaluated for synergy in vitro and in vivo in a murine skin infection model using an index MSSA bloodstream isolate from a patient in whom persistent bacteremia was cleared with this combination, and against a cadre of well-described research strains and clinical strains of MSSA and MRSA...
August 29, 2016: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/27571200/rapid-diagnosis-of-staphylococcal-catheter-related-bacteraemia-in-direct-blood-samples-by-real-time-pcr
#14
Yuliya Zboromyrska, Cristina De la Calle, Marcelo Soto, Laura Sampietro-Colom, Alex Soriano, Míriam José Alvarez-Martínez, Manel Almela, Francesc Marco, Ruth Arjona, Nazaret Cobos-Trigueros, Laura Morata, José Mensa, José Antonio Martínez, Aurea Mira, Jordi Vila
Catheter-related bacteremia (CRB) is an important cause of morbidity and mortality among hospitalized patients, being staphylococci the main etiologic agents. The objective of this study was to assess the use of a PCR-based assay for detection of staphylococci directly from blood obtained through the catheter to diagnose CRB caused by these microorganisms and to perform a cost-effectiveness analysis. A total of 92 patients with suspected CRB were included in the study. Samples were obtained through the catheter...
2016: PloS One
https://www.readbyqxmd.com/read/27533601/epidemiology-and-mortality-of-staphylococcus-aureus-bacteremia-in-australian-and-new-zealand-children
#15
Brendan J McMullan, Asha Bowen, Christopher C Blyth, Sebastiaan Van Hal, Tony M Korman, Jim Buttery, Lesley Voss, Sally Roberts, Celia Cooper, Steven Y C Tong, John Turnidge
Importance: Staphylococcus aureus bacteremia (SAB) in children causes significant morbidity and mortality, but the epidemiology in children is not well characterized. Objective: To describe the epidemiology of SAB in children and adolescents younger than 18 years from Australia and New Zealand. Design, Setting, and Participants: A prospective cohort study, using data from the Australian New Zealand Cooperative on Outcomes in Staphylococcal Sepsis cohort for 1153 children with SAB from birth to less than 18 years in pediatric and general hospitals across Australia and New Zealand, collected between January 1, 2007, and December 31, 2012...
October 1, 2016: JAMA Pediatrics
https://www.readbyqxmd.com/read/27526714/staphylococcus-aureus-vaccines-deviating-from-the-carol
#16
REVIEW
Dominique Missiakas, Olaf Schneewind
Staphylococcus aureus, a commensal of the human nasopharynx and skin, also causes invasive disease, most frequently skin and soft tissue infections. Invasive disease caused by drug-resistant strains, designated MRSA (methicillin-resistant S. aureus), is associated with failure of antibiotic therapy and elevated mortality. Here we review polysaccharide-conjugate and subunit vaccines that were designed to prevent S. aureus infection in patients at risk of bacteremia or surgical wound infection but failed to reach their clinical endpoints...
August 22, 2016: Journal of Experimental Medicine
https://www.readbyqxmd.com/read/27522002/trends-in-antibiotic-resistance-among-major-bacterial-pathogens-isolated-from-blood-cultures-tested-at-a-large-private-laboratory-network-in-india-2008-2014
#17
Sumanth Gandra, Nestor Mojica, Eili Y Klein, Ashvin Ashok, Vidya Nerurkar, Mamta Kumari, Uma Ramesh, Sunanda Dey, Viral Vadwai, Bibhu R Das, Ramanan Laxminarayan
OBJECTIVE: There have been no long-term studies on trends in antibiotic resistance (ABR) on a national scale in India. Using a private laboratory network, the ABR patterns of organisms most commonly associated with bacteremia, obtained from patients across India between 2008 and 2014, were examined. METHODS: A retrospective study of patient blood cultures collected over a 7-year period (January 1, 2008-December 31, 2014) was conducted. Data on the microorganism(s) identified and their antimicrobial susceptibility were obtained from SRL Diagnostics (Mumbai, India)...
September 2016: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/27520326/ceftaroline-as-salvage-monotherapy-for-persistent-mrsa-bacteremia-a-review-of-current-literature
#18
Yvonne J Burnett, Kelly Echevarria, Kristi A Traugott
OBJECTIVE: To summarize published data regarding the use of ceftaroline as salvage monotherapy for persistent methicillin-resistant Staphylococcus aureus (MRSA) bacteremia. DATA SOURCES: PubMed (January 1980-June 2016) was searched using combinations of the search terms methicillin-resistant Staphylococcus aureus, MRSA, bacteremia, ceftaroline, refractory, and persistent Supplemental references were generated through review of identified literature citations. STUDY SELECTION AND DATA EXTRACTION: Available English-language, full-text articles pertaining to the use of ceftaroline for persistent MRSA bacteremia (MRSAB) were included...
August 12, 2016: Annals of Pharmacotherapy
https://www.readbyqxmd.com/read/27509826/staphylococcus-aureus-osteo-articular-infection-usefulness-of-the-determination-of-daptomycin-serum-concentration-to-explain-a-treatment-failure
#19
Sylvain Barreau, Sihem Benaboud, Solen Kernéis, Laurence Moachon, Philippe Blanche, Matthieu Groh, Laurent Massias, Jean-Marc Treluyer, Claire Poyart, Josette Raymond
We report two cases of treatment failure in patients with osteoarticular infection associated with <i>Staphylococcus aureus</i> bacteremia and receiving daptomycin. Using a published population-pharmacokinetic model and daptomycin blood level in these patients, area under the curve (AUC) was calculated and compared to the pharmacological target. For the first patient, treated with 6 mg/kg every 48 hours due to acute renal failure and then every 24 hours, the AUC was 820 mg×h×L<sup>-1</sup>, with a minimal concentration of 23...
November 2016: International Journal of Clinical Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/27502499/the-epidemiology-of-staphylococcus-aureus-and-panton-valentine-leucocidin-pvl-in-central-australia-2006-2010
#20
S Hewagama, T Spelman, M Woolley, J McLeod, D Gordon, L Einsiedel
BACKGROUND: The Central Australian Indigenous population has a high incidence of Staphylococcus aureus bacteremia (SAB) but little is known about the local molecular epidemiology. METHODS: Prospective observational study of bacteremic and nasal colonizing S.aureus isolates between June 2006 to June 2010. All isolates underwent single nucleotide polymorphism (SNP) genotyping and testing for the presence of the Panton-Valentine Leucocidin (pvl) gene. RESULTS: Invasive isolates (n = 97) were predominantly ST93 (26...
2016: BMC Infectious Diseases
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