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Pseudomonas bacteremia

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https://www.readbyqxmd.com/read/29149978/perioperative-prophylaxis-for-total-artificial-heart-transplantation
#1
H E Chambers, P Pelish, F Qiu, D F Florescu
BACKGROUND: Practice variation regarding perioperative antimicrobial prophylaxis in total artificial heart transplantations (TAH-t) across institutions is unknown. The aim of our survey was to assess the current practices for prevention of infection in TAH-t recipients among different programs. METHODS: An electronic survey was sent to programs that implant Syncardia TAH (Syncardia Systems, Tuscon, Ariz, USA). Proportions were analyzed for categorical variables; means and SDs were analyzed for continuous variables...
November 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/29134582/long-term-efficacy-of-comprehensive-multidisciplinary-antibiotic-stewardship-programs-centered-on-weekly-prospective-audit-and-feedback
#2
Takeshi Kimura, Atsushi Uda, Tomoyuki Sakaue, Kazuhiko Yamashita, Tatsuya Nishioka, Sho Nishimura, Kei Ebisawa, Manabu Nagata, Goh Ohji, Tatsuya Nakamura, Chihiro Koike, Mari Kusuki, Takeshi Ioroi, Akira Mukai, Yasuhisa Abe, Hiroyuki Yoshida, Midori Hirai, Soichi Arakawa, Ikuko Yano, Kentaro Iwata, Issei Tokimatsu
OBJECTIVE: To evaluate the long-term effects of comprehensive antibiotic stewardship programs (ASPs) on antibiotic use, antimicrobial-resistant bacteria, and clinical outcomes. DESIGN: Before-after study. SETTING: National university hospital with 934 beds. INTERVENTION: Implementation in March 2010 of a comprehensive ASPs including, among other strategies, weekly prospective audit and feedback with multidisciplinary collaboration...
November 13, 2017: Infection
https://www.readbyqxmd.com/read/29047423/antimicrobial-nonsusceptibility-of-gram-negative-bloodstream-isolates-veterans-health-administration-system-united-states-2003-2013-1
#3
Michihiko Goto, Jennifer S McDanel, Makoto M Jones, Daniel J Livorsi, Michael E Ohl, Brice F Beck, Kelly K Richardson, Bruce Alexander, Eli N Perencevich
Bacteremia caused by gram-negative bacteria is associated with serious illness and death, and emergence of antimicrobial drug resistance in these bacteria is a major concern. Using national microbiology and patient data for 2003-2013 from the US Veterans Health Administration, we characterized nonsusceptibility trends of community-acquired, community-onset; healthcare-associated, community-onset; and hospital-onset bacteremia for selected gram-negative bacteria (Escherichia coli, Klebsiella spp., Pseudomonas aeruginosa, and Acinetobacter spp...
November 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/29033518/a-rare-experience-of-infective-residual-sheath-in-the-wall-of-the-innominate-vein-after-extraction-of-implantable-defibrillators
#4
Yuan-Hao Liu, Wei-Shiang Lin, Yi-Chang Lin, Chih-Yuan Lin, Chien-Sung Tsai, Yi-Ting Tsai
BACKGROUND: Cardiac device-related infective endocarditis is an uncommon but potentially fatal complication. Therefore, cardiac devices should be removed as soon as a device-related infection is suspected. CASE REPORT: A 56-year-old male with a history of arrhythmogenic right ventricular dysplasia with implantable cardioverter-defibrillators (ICDs) 7 years earlier and re-implantation of ICDs due to dysfunction 18 months ago presented with erosion of the ICD pocket with Pseudomonas bacteremia...
July 2017: Acta Cardiologica Sinica
https://www.readbyqxmd.com/read/29021487/severe-infection-of-pseudomonas-aeruginosa-during-eculizumab-therapy-for-paroxysmal-nocturnal-hemoglobinuria
#5
Toru Kawakami, Hideyuki Nakazawa, Yukifumi Kurasawa, Hitoshi Sakai, Sayaka Nishina, Noriko Senoo, Yasushi Senoo, Fumihiro Ishida
Eculizumab is the complement inhibitor administered to ameliorate intravascular hemolysis in paroxysmal nocturnal hemoglobinuria (PNH). Whether or not the inhibitory mechanism may also increase the susceptibility to non-Neisserial infection is unclear. A 73-year old woman presented with bacteremia, cholecystitis and liver abscess with Pseudomonas aeruginosa. Although she had been neutropenic for 21 years, she had no history of severe infection before eculizumab had been administered. The infection with P. aeruginosa was successfully controlled with antibiotics, granulocyte colony-stimulating factor and cholecystectomy...
October 11, 2017: Internal Medicine
https://www.readbyqxmd.com/read/29020364/antimicrobial-resistance-in-gram-negative-rods-causing-bacteremia-in-hematopoietic-stem-cell-transplant-recipients-intercontinental-prospective-study-of-the-infectious-diseases-working-party-of-the-european-bone-marrow-transplantation-group
#6
Diana Averbuch, Gloria Tridello, Jennifer Hoek, Malgorzata Mikulska, Hamdi Akan, Lucrecia Yanez San Segundo, Thomas Pabst, Tülay Özçelik, Galina Klyasova, Irene Donnini, Depei Wu, Zafer Gülbas, Tsila Zuckerman, Aida Botelho de Sousa, Yves Beguin, Aliénor Xhaard, Emmanuel Bachy, Per Ljungman, Rafael de la Camara, Jelena Rascon, Isabel Ruiz Camps, Antonin Vitek, Francesca Patriarca, Laura Cudillo, Radovan Vrhovac, Peter J Shaw, Tom Wolfs, Tracey O'Brien, Batia Avni, Gerda Silling, Firas Al Sabty, Stelios Graphakos, Marja Sankelo, Henrik Sengeloev, Srinivas Pillai, Susanne Matthes, Frederiki Melanthiou, Simona Iacobelli, Jan Styczynski, Dan Engelhard, Simone Cesaro
Background: This intercontinental study aimed to study gram-negative rod (GNR) resistance in hematopoietic stem cell transplantation (HSCT). Methods: GNR bacteremias occurring during 6 months post-HSCT (February 2014-May 2015) were prospectively collected, and analyzed for rates and risk factors for resistance to fluoroquinolones, noncarbapenem anti-Pseudomonas β-lactams (noncarbapenems), carbapenems, and multidrug resistance. Results: Sixty-five HSCT centers from 25 countries in Europe, Australia, and Asia reported data on 655 GNR episodes and 704 pathogens in 591 patients (Enterobacteriaceae, 73%; nonfermentative rods, 24%; and 3% others)...
November 13, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/29020286/incidence-risk-factors-and-outcome-of-pre-engraftment-gram-negative-bacteremia-after-allogeneic-and-autologous-hematopoietic-stem-cell-transplantation-an-italian-prospective-multicenter-survey
#7
Corrado Girmenia, Alice Bertaina, Alfonso Piciocchi, Alessandra Carotti, Alessandra Algarotti, Alessandro Busca, Chiara Cattaneo, Anna Maria Raiola, Stefano Guidi, Anna Paola Iori, Anna Candoni, Giuseppe Irrera, Giuseppe Milone, Giampaolo Marcacci, Rosanna Scimè, Maurizio Musso, Laura Cudillo, Simona Sica, Luca Castagna, Paolo Corradini, Francesco Marchesi, Domenico Pastore, Emilio Paolo Alessandrino, Claudio Annaloro, Fabio Ciceri, Stella Santarone, Luca Nassi, Claudio Farina, Claudio Viscoli, Gian Maria Rossolini, Francesca Bonifazi, Alessandro Rambaldi, Gruppo Italiano
Background: Gram-negative bacteremia (GNB) is a major cause of morbidity and mortality in Hematopoietic Stem Cell Transplant (HSCT) and updated epidemiological investigation is advisable. Methods: We prospectively evaluated the epidemiology of pre-engraftment GNB in 1,118 allogeneic HSCT (allo-HSCT) and 1,625 autologous HSCT (auto-HSCT) among 54 transplant centers during 2014 (SIGNB-GITMO-AMCLI study). Using logistic regression methods we identified risk factors for GNB and evaluated the impact of GNB on the 4-month overall-survival after transplant...
August 3, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/29017829/etiology-of-community-onset-monomicrobial-bacteremic-pneumonia-and-its-clinical-presentation-and-outcome-klebsiella-and-pseudomonas-matters
#8
Chao-Yung Yang, Chung-Hsun Lee, Chih-Chia Hsieh, Wen-Chien Ko, Ching-Chi Lee
To describe the difference of the clinical features, bacteremia severity, and outcome of patient with community-onset bacteremic pneumonia between Pseudomonas, Klebsiella, and other causative microorganisms, the total 278 adults with community-onset monomicrobial bacteremic pneumonia were studied in a retrospective cohort. Klebsiella (61 patients, 21.9%) and Pseudomonas (22, 7.9%) species was the leading and the fifth common pathogen, respectively. More patients having initial presentation with critical illness (a Pitt bacteremia score ≥ 4) and a fatal comorbidity (McCabe classification) as well as a higher short- (30-day) or long-term (90-day) mortality rate was evidenced in patients infected with Klebsiella or Pseudomonas species, compared to other causative microorganisms...
October 7, 2017: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/28992111/refractory-pseudomonas-bacteremia-in-a-2-year-old-sterilized-by-bacteriophage-therapy
#9
C Duplessis, B Biswas, B Hanisch, M Perkins, M Henry, J Quinones, D Wolfe, L Estrella, T Hamilton
Here, we report a complex case that involved a pediatric patient who experienced recalcitrant multidrug-resistant Pseudomonas aeruginosa infection complicated by bacteremia/sepsis; our antibacterial options were limited because of resistance, allergies, and suboptimal source control. A cocktail of 2 bacteriophages targeting the infectious organism introduced on 2 separate occasions sterilized the bacteremia.
July 22, 2017: Journal of the Pediatric Infectious Diseases Society
https://www.readbyqxmd.com/read/28991317/-incidence-and-risk-factors-for-bacteremia-on-pediatric-patients-with-burns-in-a-specialized-care-center-in-mexico
#10
Teresa de J Chávez-Velarde, Juan C Lona-Reyes, Alejandra Riebeling-Dueñas, Luis G Orozco-Alatorre
BACKGROUND: Bacteremia events are frequent cause of mortality in burn patients and may originate from infected wounds, by bacterial translocation of endogenous microorganisms, from invasive devices or contaminated intravenous solutions. OBJECTIVE: To quantify the incidence of bacteremia in pediatric patients with burns and to identify risk factors. MATERIAL AND METHODS: A prospective cohort study was performed in pediatric patients with burns of Hospital Civil de Guadalajara "Dr...
June 2017: Revista Chilena de Infectología: órgano Oficial de la Sociedad Chilena de Infectología
https://www.readbyqxmd.com/read/28966485/evaluation-of-different-phenotypic-tests-for-detection-of-metallo-%C3%AE-lactamases-in-imipenem-resistant-pseudomonas-aeruginosa
#11
Rohit Sachdeva, Babita Sharma, Rajni Sharma
PURPOSE: Pseudomonas aeruginosa causes a wide spectrum of infections including bacteremia, pneumonia, urinary tract infection, etc., Metallo-beta-lactamase (MBL) producing P. aeruginosa is an emerging threat and cause of concern as they have emerged as one of the most feared resistance mechanisms. This study was designed to know the prevalence of MBL production in P. aeruginosa and to evaluate the four phenotypic tests for detection of MBL production in imipenem-resistant clinical isolates of P...
October 2017: Journal of Laboratory Physicians
https://www.readbyqxmd.com/read/28879405/infection-control-interventions-affected-by-resource-shortages-impact-on-the-incidence-of-bacteremias-caused-by-carbapenem-resistant-pathogens
#12
E Kousouli, O Zarkotou, L Politi, K Polimeri, G Vrioni, K Themeli-Digalaki, A Tsakris, S Pournaras
We evaluated an infection control (IC) program influenced by personnel and material resource shortages on the incidence of bloodstream infections (BSI) due to carbapenem-resistant Klebsiella pneumoniae (CRKP), Acinetobacter baumannii (CRAB), and Pseudomonas aeruginosa (CRPA) in an endemic region. Between January 2010 and December 2015, all BSI episodes caused by CRKP, CRAB, and CRPA were recorded. An IC bundle was implemented in January 2012. We evaluated the effect of the interventions on BSI rates between the pre-intervention (2010-2011) and intervention (2012-2013) periods, using an interrupted time-series model...
September 6, 2017: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/28860262/complete-genome-sequences-of-two-pseudomonas-aeruginosa-strains-isolated-from-children-with-bacteremia
#13
Luis F Espinosa-Camacho, Gabriela Delgado, Guadalupe Miranda-Novales, Gloria Soberón-Chávez, Luis D Alcaraz, Rosario Morales-Espinosa
Two Pseudomonas aeruginosa strains isolated from children with bacteremia in Mexico City were sequenced using PacBio RS-II single-molecule real-time (SMRT) technology. The strains consist of a 7.0- to 7.4-Mb chromosome, with a high content of mobile elements, and variation in the genetic content of class 1 integron In1409.
August 31, 2017: Genome Announcements
https://www.readbyqxmd.com/read/28852678/the-risk-of-cardiac-device-related-infection-in-bacteremic-patients-is-species-specific-results-of-a-12-year-prospective-cohort
#14
Stacey A Maskarinec, Joshua T Thaden, Derek D Cyr, Felicia Ruffin, Maria Souli, Vance G Fowler
BACKGROUND: The species-specific risk of cardiac device-related infection (CDRI) among bacteremic patients is incompletely understood. METHODS: We conducted a prospective cohort study of hospitalized patients from October 2002 to December 2014 with a cardiac device (CD) and either Staphylococcus aureus bacteremia (SAB) or Gram-negative bacteremia (GNB). Cardiac devices were defined as either prosthetic heart valves (PHVs), including valvular support rings, permanent pacemakers (PPMs)/automatic implantable cardioverter defibrillators (AICDs), or left ventricular assist devices (LVADs)...
2017: Open Forum Infectious Diseases
https://www.readbyqxmd.com/read/28815897/multidrug-resistant-enterobacteriaceae-pseudomonas-aeruginosa-and-vancomycin-resistant-enterococcus-three-major-threats-to-hematopoietic-stem-cell-transplant-recipients
#15
REVIEW
Michael J Satlin, Thomas J Walsh
Hematopoietic stem cell transplant (HSCT) recipients are uniquely threatened by the emergence of multidrug-resistant (MDR) bacteria because these patients rely on immediate active antimicrobial therapy to combat bacterial infections. This review describes the epidemiology and treatment considerations for three challenging MDR bacterial pathogens in HSCT recipients: MDR Enterobacteriaceae, including extended-spectrum β-lactamase (ESBL)-producing and carbapenem-resistant Enterobacteriaceae (CRE), Pseudomonas aeruginosa, and vancomycin-resistant Enterococcus (VRE)...
August 16, 2017: Transplant Infectious Disease: An Official Journal of the Transplantation Society
https://www.readbyqxmd.com/read/28814278/epidemiology-and-outcomes-of-endophthalmitis-in-chronic-dialysis-patients-a-13-year-experience-in-a-tertiary-referral-center-in-taiwan
#16
George Kuo, Yueh-An Lu, Wei-Chiao Sun, Chao-Yu Chen, Huang-Kai Kao, YuJr Lin, Chia-Hui Lee, Cheng-Chieh Hung, Ya-Chung Tian, Hsiang-Hao Hsu
BACKGROUND: Endophthalmitis is a severe eye infection leading to disabling outcome. Because there were only a few case report illustrating endophthalmitis in chronic dialysis patient, we would like to investigate the epidemiology and clinical features of endophthalmitis in chronic dialysis patient in a tertiary referral center. METHODS: We searched the health information system in the study hospital with ICD9 encoding endophthalmitis during Jan. 2002 to Dec. 2015...
August 16, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28808348/rapid-phenotypic-stress-based-microfluidic-antibiotic-susceptibility-testing-of-gram-negative-clinical-isolates
#17
Maxim Kalashnikov, Marc Mueller, Christine McBeth, Jean C Lee, Jennifer Campbell, Andre Sharon, Alexis F Sauer-Budge
Bacteremia is a life-threatening condition for which antibiotics must be prescribed within hours of clinical diagnosis. Since the current gold standard for bacteremia diagnosis is based on conventional methods developed in the mid-1800s-growth on agar or in broth-identification and susceptibility profiling for both Gram-positive and Gram-negative bacterial species requires at least 48-72 h. Recent advancements in accelerated phenotypic antibiotic susceptibility testing have centered on the microscopic growth analysis of small bacterial populations...
August 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28805355/sensing-mg-2-contributes-to-the-resistance-of-pseudomonas-aeruginosa-to-complement-mediated-opsonophagocytosis
#18
Mohammad Qadi, Sofía Izquierdo-Rabassa, Margalida Mateu Borrás, Antonio Doménech-Sánchez, Carlos Juan, Joanna B Goldberg, Robert E W Hancock, Sebastián Albertí
Pseudomonas aeruginosa adaptation to survive in the host hinges on its ability to probe the environment and respond appropriately. Rapid adaptation is often mediated by two-component regulatory systems, such as the PhoP/PhoQ system that responds to Mg(2+) ion concentration. However, there is limited information about the role of PhoQ in P. aeruginosa bloodstream infections. We used a murine model of systemic infection to test the virulence of a PhoQ-deficient mutant. Mutation of PhoQ impaired the virulence and the ability to cause bacteremia of P...
August 14, 2017: Environmental Microbiology
https://www.readbyqxmd.com/read/28803838/current-epidemiology-of-resistance-among-gram-negative-bacilli-in-paediatric-patients-in-turkey
#19
Kubra Aykac, Yasemin Ozsurekci, Sevgen Tanır Basaranoglu, Mustafa Senol Akin, Ali Bulent Cengiz, Asiye Bicakcigil, Banu Sancak, Ates Kara, Mehmet Ceyhan
OBJECTIVES: The increasing incidence of infections caused by drug-resistant Gram-negative organisms has led to a re-emergence worldwide. This study attempted to investigate the changes in resistance of Gram-negative bacteria to different classes of antibiotics and the treatment options for invasive infections. METHODS: A retrospective study was performed between January 2012 and January 2017 in a Turkish tertiary care university hospital. A total of 302 patients with Gram-negative bacteraemia (n=274; 90...
August 10, 2017: Journal of Global Antimicrobial Resistance
https://www.readbyqxmd.com/read/28738848/influence-of-borderline-cefepime-mic-on-the-outcome-of-cefepime-susceptible-pseudomonas-aeruginosa-bacteremia-treated-with-a-maximal-cefepime-dose-a-hospital-based-retrospective-study
#20
Ting-Yi Su, Jung-Jr Ye, Chien-Chang Yang, Ching-Tai Huang, Ju-Hsin Chia, Ming-Hsun Lee
BACKGROUND: We assessed the influence of current cefepime minimal inhibitory concentration (MIC) breakpoints and the maximal cefepime dose on treatment outcomes in patients with bacteremia caused by cefepime-susceptible Pseudomonas aeruginosa. METHODS: Adult patients hospitalized between July 2010 and June 2014 with a positive blood culture for cefepime-susceptible P. aeruginosa and receipt of cefepime as the primary therapy throughout the course were reviewed. Cefepime Etest(®) MICs and clinical outcomes for P...
July 24, 2017: Annals of Clinical Microbiology and Antimicrobials
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