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mrsa bacteremia treatment

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https://www.readbyqxmd.com/read/29137718/telavancin-for-the-treatment-of-methicillin-resistant-staphylococcus-aureus-bone-and-joint-infections
#1
Julie Harting, Francisco Fernandez, Rob Kelley, Tim Wiemken, Paula Peyrani, Julio Ramirez
This retrospective, case series describes our experience with the use of telavancin in patients with methicillin-resistant Staphylococcus aureus (MRSA) osteomyelitis and prosthetic joint infection. The primary objectives were clinical outcomes and adverse events (AEs), and a secondary outcome described microbiological susceptibility. Fourteen patients were enrolled. Median duration of therapy was 58 days, and four patients had concurrent bacteremia. End-of-treatment outcomes were available in 78% of patients, with a clinical success rate of 91%...
December 2017: Diagnostic Microbiology and Infectious Disease
https://www.readbyqxmd.com/read/29133561/outcomes-of-vancomycin-plus-a-%C3%AE-lactam-versus-vancomycin-only-for-the-treatment-of-methicillin-resistant-staphylococcus-aureus-bacteremia
#2
James Truong, John J Veillette, Steve C Forland
The objective of this retrospective study was to compare the rates of treatment failure, which was a composite of clinical and microbiologic failure, of patients receiving vancomycin and a β-lactam to those receiving vancomycin only for MRSA bacteremia. Patients 16 to 89 years of age with MRSA bacteremia admitted to a university-affiliated hospital from January 1(st), 2014 to December 31(st), 2016 were screened for study inclusion. Patients were eligible if they received >48 hours of vancomycin and a β-lactam (combination group) or vancomycin only (standard group) within 48 hours following bacteremia onset...
November 13, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/29038267/a-retrospective-analysis-of-treatment-and-clinical-outcomes-among-patients-with-methicillin-susceptible-staphylococcus-aureus-bloodstream-isolates-possessing-detectable-meca-by-a-commercial-pcr-assay-compared-to-patients-with-methicillin-resistant-staphylococcus
#3
Dylan Jones, Ramy H Elshaboury, Erik Munson, Thomas J Dilworth
mecA-positive Staphylococcus aureus isolates phenotypically susceptible to cefoxitin (mecA-MSSA) have been identified. We describe treatment and outcomes among patients with mecA-MSSA bloodstream infections (BSI) and MRSA BSI patients matched 1:1 on age, BSI origin and BSI type (n=17 per group). Compared to MRSA BSI patients, mecA-MSSA BSI patients more often experienced clinical failure (58.8% and 11.8%, p=0.010), driven largely by persistent bacteremia (35.3% and 11.8%). mecA-MSSA BSI patients may be at higher risk for poor clinical outcomes...
October 16, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28954388/pretreatment-of-pam3csk4-attenuates-inflammatory-responses-caused-by-systemic-infection-of-methicillin-resistant-staphylococcus-aureus-in-mice
#4
Zhaoxia Huang, Xiayu Yi, Yiguo Chen, Xiaorui Hou, Xiangyu Wang, Ping Zhu, Kangmin Zhao, Shuangshuang Wu, Ning Fu, Beiyi Liu
Pam3CSK4 is a synthetic tripalmitoylated lipopeptide that acts as a ligand of TLR1/TLR2 by mimicking the acetylated amino terminus of bacterial lipoproteins. Here we found that pretreatment of Pam3CSK4 protected mice from systemic infection of methicillin-resistant Staphylococcus aureus (MRSA), and enhanced the bacterial clearance in bacteremia model. Pro-inflammatory cytokines, such as TNF-α, IL-6, MCP-1 and IFN-γ were significantly decreased in serum from Pam3CSK4-treated mice. Besides, upon PamCSK4 treatment, the TLR2 expression was down-regulated, IRAK1 phosphorylation was inhibited, and the expression of IRAK-M and Tollip, two negative regulators of NF-κB pathway, was up-regulated...
November 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28949410/early-administration-of-adjuvant-%C3%AE-lactam-therapy-in-combination-with-vancomycin-among-patients-with-methicillin-resistant-staphylococcus-aureus-bloodstream-infection-a-retrospective-multicenter-analysis
#5
Anthony M Casapao, David M Jacobs, Dana R Bowers, Nicholas D Beyda, Thomas J Dilworth
STUDY OBJECTIVE: To determine whether early administration of adjuvant β-lactam in combination with vancomycin (COMBO) affects clinical outcomes compared to standard vancomycin therapy alone (STAN) among patients with methicillin-resistant Staphylococcus aureus (MRSA) bloodstream infection. DESIGN: Retrospective, multicenter cohort study. SETTING: Five academic or community hospitals throughout the United States. PATIENTS: Adults with MRSA bloodstream infections treated with vancomycin (≥ 72 hrs) with or without an intravenous β-lactam (≥ 48 hrs) initiated within 24 hours of initiating vancomycin...
November 2017: Pharmacotherapy
https://www.readbyqxmd.com/read/28943633/vancomycin-induced-leukocytoclastic-vasculitis-and-acute-renal-failure-due-to-tubulointerstitial-nephritis
#6
Chandra Shekar Pingili, Emmanuel E Okon
BACKGROUND Methicillin-resistant Staphylococcus aureus (MRSA) bacteremia and sepsis are commonly treated with intravenous vancomycin. However, vancomycin treatment is associated adverse reactions, including skin rashes and nephrotoxicity. We present a case of acute renal failure due to acute tubulointerstitial nephritis associated with a diffuse leukocytoclastic vasculitic skin eruption following intravenous vancomycin treatment. CASE REPORT A 79-year-old Caucasian male patient was treated with intravenous vancomycin for MRSA bacteremia...
September 25, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/28900682/treatment-of-staphylococcus-aureus-infections
#7
Michael Z David, Robert S Daum
Staphylococcus aureus, although generally identified as a commensal, is also a common cause of human bacterial infections, including of the skin and other soft tissues, bones, bloodstream, and respiratory tract. The history of S. aureus treatment is marked by the development of resistance to each new class of antistaphylococcal antimicrobial drugs, including the penicillins, sulfonamides, tetracyclines, glycopeptides, and others, complicating therapy. S. aureus isolates identified in the 1960s were sometimes resistant to methicillin, a ß-lactam antimicrobial active initially against a majority S...
September 13, 2017: Current Topics in Microbiology and Immunology
https://www.readbyqxmd.com/read/28818549/integration-of-dpc-and-clinical-microbiological-data-in-japan-reveals-importance-of-confirming-a-negative-follow-up-blood-culture-in-patients-with-mrsa-bacteremia
#8
Naoki Miyamoto, Koji Yahara, Rie Horita, Tomomi Yano, Naotaka Tashiro, Daiichi Morii, Atsuko Tsutsui, Kenichiro Yaita, Keigo Shibayama, Hiroshi Watanabe
Methicillin-resistant Staphylococcus aureus (MRSA) bacteremia is one of the commonest and most life-threatening of all infectious diseases. The morbidity and mortality rates associated with MRSA bacteremia are higher than those associated with bacteremia caused by other pathogens. A common guideline in MRSA bacteremia treatment is to confirm bacteremia clearance through additional blood cultures 2-4 days after initial positive cultures and as needed thereafter. However, no study has presented statistical evidence of how and to what extent confirming a negative follow-up blood culture impacts clinical outcome...
October 2017: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/28807042/incidence-prevalence-and-management-of-mrsa-bacteremia-across-patient-populations-a-review-of-recent-developments-in-mrsa-management-and-treatment
#9
REVIEW
Ali Hassoun, Peter K Linden, Bruce Friedman
Methicillin-resistant Staphylococcus aureus (MRSA) infection is still a major global healthcare problem. Of concern is S. aureus bacteremia, which exhibits high rates of morbidity and mortality and can cause metastatic or complicated infections such as infective endocarditis or sepsis. MRSA is responsible for most global S. aureus bacteremia cases, and compared with methicillin-sensitive S. aureus, MRSA infection is associated with poorer clinical outcomes. S. aureus virulence is affected by the unique combination of toxin and immune-modulatory gene products, which may differ by geographic location and healthcare- or community-associated acquisition...
August 14, 2017: Critical Care: the Official Journal of the Critical Care Forum
https://www.readbyqxmd.com/read/28760895/a-prospective-cohort-multicenter-study-of-molecular-epidemiology-and-phylogenomics-of-staphylococcus-aureus-bacteremia-in-nine-latin-american-countries
#10
Cesar A Arias, Jinnethe Reyes, Lina Paola Carvajal, Sandra Rincon, Lorena Diaz, Diana Panesso, Gabriel Ibarra, Rafael Rios, Jose M Munita, Mauro J Salles, Carlos Alvarez-Moreno, Jaime Labarca, Coralith Garcia, Carlos M Luna, Carlos Mejia-Villatoro, Jeannete Zurita, Manuel Guzman-Blanco, Eduardo Rodriguez-Noriega, Apurva Narechania, Laura J Rojas, Paul J Planet, George M Weinstock, Eduardo Gotuzzo, Carlos Seas
Staphylococcus aureus is an important pathogen causing a spectrum of diseases ranging from mild skin and soft tissue infections to life-threatening conditions. Bloodstream infections are particularly important, and the treatment approach is complicated by the presence of methicillin-resistant S. aureus (MRSA) isolates. The emergence of new genetic lineages of MRSA has occurred in Latin America (LA) with the rise and dissemination of the community-associated USA300 Latin American variant (USA300-LV). Here, we prospectively characterized bloodstream MRSA recovered from selected hospitals in 9 Latin American countries...
October 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28702467/ceftaroline-for-severe-methicillin-resistant-staphylococcus-aureus-infections-a-systematic-review
#11
REVIEW
Reese A Cosimi, Nahal Beik, David W Kubiak, Jennifer A Johnson
Ceftaroline is approved by the Food and Drug Administration for acute bacterial skin and skin-structure infections and community-acquired bacterial pneumonia, including cases with concurrent bacteremia. Use for serious methicillin-resistant Staphylococcus aureus (MRSA) infections has risen for a multitude of reasons. The aim of this article is to review the literature evaluating clinical outcomes and safety of ceftaroline prescribed for serious MRSA infections. We conducted a literature search in Ovid (Medline) and PubMed for reputable case reports, clinical trials, and reviews focusing on the use of ceftaroline for treatment of MRSA infections...
2017: Open Forum Infectious Diseases
https://www.readbyqxmd.com/read/28634536/telavancin-a-novel-semisynthetic-lipoglycopeptide-agent-to-counter-the-challenge-of-resistant-gram-positive-pathogens
#12
REVIEW
Biswadeep Das, Chayna Sarkar, Debasmita Das, Amit Gupta, Arnav Kalra, Shubham Sahni
Telavancin (TD-6424), a semisynthetic lipoglycopeptide vancomycin-derivative, is a novel antimicrobial agent developed by Theravance for overcoming resistant Gram-positive bacterial infections, specifically methicillin-resistant Staphylococcus aureus (MRSA). The US Food and Drug Administration (USFDA) had approved telavancin in 2009 for the treatment of complicated skin and skin structure infections (cSSSIs) caused by Gram-positive bacteria, including MRSA (S. aureus, Streptococcus agalactiae, Streptococcus pyogenes, Streptococcus anginosus group, or Enterococcus faecalis)...
March 2017: Therapeutic Advances in Infectious Disease
https://www.readbyqxmd.com/read/28632826/-pyogenic-liver-abscess-in-children-clinical-experience-in-a-pediatric-reference-center
#13
Carolina Carballo, Claudia Cazes, Mariana Matsuda, M Laura Praino, Noemí Rivas, Eduardo López
INTRODUCTION: Liver abscess is a serious and an uncommon pediatric disease. OBJECTIVE AND METHOD: Description of 20 pediatric patients with liver abscess admitted in "Ricardo Gutierrez" Children's Hospital, a Tertiary Reference Center of Buenos Aires, between 2009 and 2015. RESULTS: The hospitalization rate was 35/100.000 admissions. Median age was 5 years old, male/female ratio 4/1. Five patients (25%) had predisposing factors. Median days at diagnosis were 12...
April 2017: Revista Chilena de Infectología: órgano Oficial de la Sociedad Chilena de Infectología
https://www.readbyqxmd.com/read/28589155/a-severe-case-of-cutaneous-adverse-drug-reaction-secondary-to-a-novice-drug-idelalisib
#14
Joseph Gabriel Gabriel, Aaysha Kapila, Alexei Gonzalez-Estrada
Phosphatidylinositol 3-kinase δ (PIK3δ) is a tyrosine kinase essential for B cell survival, making it an important target in the treatment of chronic lymphocytic leukemia. Idelalisib is an inhibitor of PIK3δ demonstrating initial success in disease response, but is now shown to have a decreased overall survival and life-threatening serious adverse events. The following is an unfortunate case of a grade III adverse skin reaction secondary to idelalisib with the likely complication of methicillin-resistant Staphylococcus aureus bacteremia...
April 2017: Journal of Investigative Medicine High Impact Case Reports
https://www.readbyqxmd.com/read/28562284/epidemiology-of-methicillin-resistant-staphylococcus-aureus-bacteremia-in-children
#15
Rana F Hamdy, Alice J Hsu, Chris Stockmann, Jared A Olson, Matthew Bryan, Adam L Hersh, Pranita D Tamma, Jeffrey S Gerber
BACKGROUND: Methicillin-resistant Staphylococcus aureus (MRSA) bacteremia is associated with high rates of treatment failure in adults. The epidemiology, clinical outcomes, and risk factors for treatment failure associated with MRSA bacteremia in children are poorly understood. METHODS: Multicenter, retrospective cohort study of children ≤18 years hospitalized with MRSA bacteremia across 3 tertiary care children's hospitals from 2007 to 2014. Treatment failure was defined as persistent bacteremia >3 days, recurrence of bacteremia within 30 days, or attributable 30-day mortality...
June 2017: Pediatrics
https://www.readbyqxmd.com/read/28532398/clinical-outcomes-of-linezolid-and-vancomycin-in-patients-with-nosocomial-pneumonia-caused-by-methicillin-resistant-staphylococcus-aureus-stratified-by-baseline-renal-function-a-retrospective-cohort-analysis
#16
Ping Liu, Blair Capitano, Amy Stein, Ali A El-Solh
BACKGROUND: The primary objective of this study is to assess whether baseline renal function impacts treatment outcomes of linezolid and vancomycin (with a dose-optimized regimen) for methicillin-resistant Staphylococcus aureus (MRSA) pneumonia. METHODS: We conducted a retrospective cohort analysis of data generated from a prospective, randomized, controlled clinical trial (NCT 00084266). The analysis included 405 patients with culture-proven MRSA pneumonia. Baseline renal function was stratified based on creatinine clearance...
May 22, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28522992/molecular-characterization-of-community-acquired-staphylococcus-aureus-bacteremia-in-young-children-in-southern-mozambique-2001-2009
#17
Delfino Vubil, Marcelino Garrine, Ulla Ruffing, Sozinho Acácio, Betuel Sigaúque, Pedro L Alonso, Lutz von Müller, Mathias Herrmann, Inácio Mandomando
Background: The emergence of community-acquired Staphylococcus aureus infections is increasingly recognized as life threating problem worldwide. In Manhiça district, southern Mozambique, S. aureus is the leading cause of community-acquired bacteremia in neonates. Methods: Eighty-four S. aureus isolates from children less than 5 years admitted to Manhiça District Hospital from 2001 to 2009 were randomly selected and genetically characterized by DNA microarray and spa typing. Antimicrobial susceptibility was determined by VITEK 2...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28498647/association-between-staphylococcus-aureus-bacteremia-and-hospital-mortality-in-hemodialysis-patients-with-bloodstream-infection-a-multicenter-cohort-from-japanese-tertiary-care-centers
#18
Takahiro Imaizumi, Takeshi Hasegawa, Atsushi Nomura, Sho Sasaki, Hiroki Nishiwaki, Takaya Ozeki, Hideaki Shimizu, Shun Minatoguchi, Taishi Yamakawa, Masahiko Yazawa, Daisuke Uchida, Hiroo Kawarazaki, Masahito Miyamoto, Tomo Suzuki, Ken'ichiro Koitabashi, Masahide Furusho, Yoshiro Fujita
Multiple studies have shown that Staphylococcus aureus bacteremia (SAB) has been a major cause of death in hemodialysis patients. We examined whether SAB is a risk for mortality among chronic hemodialysis patients in Japan where the standard vascular access is arteriovenous fistula (AVF). This was a multicenter, retrospective study of maintenance hemodialysis patients with bloodstream infection (BSI) from 2011 to 2013 at tertiary care centers in Japan. The endpoint was hospital mortality. Our cohort contained 32 SAB cases (14 MRSA and 18 MSSA) and 42 non-SAB cases...
August 2017: Therapeutic Apheresis and Dialysis
https://www.readbyqxmd.com/read/28395434/-efficacy-and-safety-of-linezolid-among-patients-with-methicillin-resistant-staphylococcus-aureus-bacteremia
#19
S L Chen, C Y Zhu, H Zhou, Q Yang, Y H Shen, J Y Zhou
Objective: To study the efficacy and safety of linezolid for the treatment of patients with bacteremia caused by methicillin-resistant Staphylococcus aureus (MRSA). Methods: Totally 52 cases of MRSA bacteremia patients, from January 2010 to April 2014 in the First Affiliated Hospital, School of Medicine, Zhejiang University, were retrospectively analyzed. They were classified into two groups based on linezolid therapeutic regimen: primary treatment with linezolid (19 cases) and alternated to linezolid (33 cases)...
April 11, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28386776/real-world-experience-with-oritavancin-therapy-in-invasive-gram-positive-infections
#20
Cassie L Stewart, Michelle S Turner, Jeremy J Frens, Cynthia B Snider, Jordan R Smith
INTRODUCTION: Oritavancin is a novel lipoglycopeptide approved for acute bacterial skin and skin structure infections. The pharmacokinetic profile and convenient one-time dosing make oritavancin an enticing option for other serious Gram-positive infections requiring prolonged treatment courses. Unfortunately, data for using oritavancin in these populations are limited. METHODS: We report ten cases of oritavancin use for invasive Gram-positive infections in our health system, and provide a review of the currently available literature regarding oritavancin therapy for invasive infections...
June 2017: Infectious Diseases and Therapy
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