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Pseudomonas bacteremia

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https://www.readbyqxmd.com/read/29738025/oral-infection-by-pseudomonas-aeruginosa-in-patient-with-chronic-kidney-disease-a-case-report
#1
Luana Carneiro Diniz Souza, Fernanda Ferreira Lopes, Eider Guimarães Bastos, Cláudia Maria Coelho Alves
Chronic renal patients are more susceptible to hospital complications and infections such as urinary tract infections, peritonitis, surgery infections, and bacteremia, which are often caused by Pseudomonas aeruginosa. A case of a HIV-positive girl with chronic kidney disease and with serious oral lesions due to P. aeruginosa septic shock is presented. The patient showed necrotic lesions in the oral mucosa, pathological tooth mobility, bone loss, and hematogenous osteomyelitis in the maxilla. The patient was submitted to systemic antibiotic therapy based on screening culture and treatment of bone lesions by eliminating the causal agent and restoring health conditions...
April 19, 2018: Jornal Brasileiro de Nefrologia: ʹorgão Oficial de Sociedades Brasileira e Latino-Americana de Nefrologia
https://www.readbyqxmd.com/read/29720526/-pseudomonas-aeruginosa-protease-iv-exacerbates-pneumococcal-pneumonia-and-systemic-disease
#2
Jessica L Bradshaw, Armando R Caballero, Michael A Bierdeman, Kristen V Adams, Haley R Pipkins, Aihua Tang, Richard J O'Callaghan, Larry S McDaniel
Pneumonia is a pulmonary disease affecting people of all ages and is consistently a leading cause of childhood mortality and adult hospitalizations. Streptococcus pneumoniae and Pseudomonas aeruginosa are major lung pathogens commonly associated with community-acquired and nosocomial pneumonia. Additionally, mixed lung infections involving these bacterial pathogens are increasing in prevalence and are frequently more severe than single infections. The cooperative interactions of these two pathogens that impact pulmonary disease severity are understudied...
June 27, 2018: MSphere
https://www.readbyqxmd.com/read/29664837/chronic-alcohol-ingestion-worsens-survival-and-alters-gut-epithelial-apoptosis-and-cd8-t-cell-function-after-pseudomonas-aeruginosa-pneumonia-induced-sepsis
#3
Nathan J Klingensmith, Katherine T Fay, John D Lyons, Ching-Wen Chen, Shunsuke Otani, Zhe Liang, Deena B Chihade, Eileen M Burd, Mandy L Ford, Craig M Coopersmith
Mortality is higher in septic patients with a history of alcohol use disorder than in septic patients without a history of chronic alcohol usage. We have previously described a model of chronic alcohol ingestion followed by sepsis from cecal ligation and puncture in which alcohol-fed septic mice have higher mortality than water-fed septic mice, associated with altered gut integrity and increased production of TNF and IFNγ by splenic CD4 T cells without alterations in CD8 T cell function. The purpose of this study was to determine whether this represents a common host response to the combination of alcohol and sepsis by creating a new model in which mice with chronic alcohol ingestion were subjected to a different model of sepsis...
April 16, 2018: Shock
https://www.readbyqxmd.com/read/29579836/early-bacterial-pneumonia-after-hepatic-transplantation-epidemiologic-profile
#4
J Prieto Amorin, M Lopez, K Rando, J Castelli, J Medina Presentado
BACKGROUND: Postoperative pulmonary complications are major cause of morbidity and mortality in patients receiving liver transplantation (LT), particularly bacterial pneumonia occurring within the first 100 days after transplantation. Our aim in this study was to determine the incidence, microorganisms involved, associated factors, and morbidity of bacterial pneumonia presenting in the first 100 days posttransplant. METHODS: We performed a cohort study in which patients receiving liver transplantation were included prospectively in our national database (Database of Infections in Transplantation of Solid Organs)...
March 2018: Transplantation Proceedings
https://www.readbyqxmd.com/read/29555626/design-of-a-broad-range-bacteriophage-cocktail-that-reduces-pseudomonas-aeruginosa-biofilms-and-treats-acute-infections-in-two-animal-models
#5
Francesca Forti, Dwayne R Roach, Marco Cafora, Maria E Pasini, David S Horner, Ersilia V Fiscarelli, Martina Rossitto, Lisa Cariani, Federica Briani, Laurent Debarbieux, Daniela Ghisotti
The alarming diffusion of multidrug resistant (MDR) bacterial strains requires investigations on non-antibiotic therapies. Amongst them, the use of bacteriophages (phages) as antimicrobial agents, namely phage therapy, is a promising treatment strategy with support by recent successful compassionate treatments in Europe and the U.S.A. In this work, we combined host range and genomic information to design a 6-phage cocktail killing several clinical strains of P. aeruginosa , including those collected from Italian cystic fibrosis (CF) patients, and analyzed the cocktail performance...
March 19, 2018: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/29548659/community-acquired-necrotizing-pneumonia-with-bacteremia-caused-by-pseudomonas-aeruginosa-in-a-patient-with-emphysema-an-autopsy-case-report
#6
Naoya Sakamoto, Kyohei Tsuchiya, Mayu Hikone
We report the case of a 47-year-old man with chronic obstructive pulmonary disease who was referred to our hospital for acute dyspnea. The radiologic findings revealed consolidation with a cavity in the left upper lobe of the lung. Blood/sputum cultures detected Pseudomonas aeruginosa. Despite intensive care, the patient died from respiratory failure. Autopsy revealed multiple small necrotizing cavities that had coalesced. Although P. aeruginosa is a known causative pathogen of community-acquired pneumonia in patients with structural lung disease, the radiologic findings were non-specific...
March 2018: Respiratory Investigation
https://www.readbyqxmd.com/read/29523648/quorum-sensing-regulator-rhlr-but-not-its-autoinducer-rhli-enables-pseudomonas-to-evade-opsonization
#7
Samantha Haller, Adrien Franchet, Abdul Hakkim, Jing Chen, Eliana Drenkard, Shen Yu, Stefanie Schirmeier, Zi Li, Nelson Martins, Frederick M Ausubel, Samuel Liégeois, Dominique Ferrandon
When Drosophila melanogaster feeds on Pseudomonas aeruginosa , some bacteria cross the intestinal barrier and eventually proliferate in the hemocoel. This process is limited by hemocytes through phagocytosis. P. aeruginosa requires the quorum-sensing regulator RhlR to elude the cellular immune response of the fly. RhlI synthesizes the autoinducer signal that activates RhlR. Here, we show that rhlI mutants are unexpectedly more virulent than rhlR mutants, both in fly and in nematode intestinal infection models, suggesting that RhlR has RhlI-independent functions...
May 2018: EMBO Reports
https://www.readbyqxmd.com/read/29517513/cannula-related-infection-in-patients-supported-by-peripheral-ecmo-clinical-and-microbiological-characteristics
#8
Nicolas Allou, Hugo Lo Pinto, Romain Persichini, Bruno Bouchet, Eric Braunberger, Nathalie Lugagne, Olivier Belmonte, Olivier Martinet, Benjamin Delmas, Laurence Dangers, Jérôme Allyn
Little is known about cannula-related infection (CRI) in patients supported by extracorporeal membrane oxygenation (ECMO). The aim of this study was to assess the incidence, the risk factors, prognosis, and microbiological characteristics of CRI in patients supported by ECMO. This retrospective cohort study was conducted in one intensive care unit (ICU). Among 220 consecutive patients with peripheral ECMO, 39 (17.7%) developed CRI. The incidence of CRI was 17.2 per 1,000 ECMO days. The main isolated microorganisms were Enterobacteriaceae (38%), Staphylococcus spp...
March 5, 2018: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
https://www.readbyqxmd.com/read/29441942/risk-factors-for-the-failure-of-treatment-of-pseudomonas-aeruginosa-bacteremia-in-critically-ill-patients
#9
S Yoshida, K Suzuki, A Suzuki, H Okada, T Niwa, R Kobayashi, N Murakami, S Ogura, Y Itoh
Pseudomonas aeruginosa bacteremia is associated with high morbidity and mortality in critically ill patients. In this study, we assessed risk factors for clinical failure of first definitive therapy for P. aeruginosa bacteremia in critically ill patients. All patients with P. aeruginosa bacteremia who entered the intensive care unit in Gifu University Hospital from January 2006 to December 2015 were retrospectively identified from electronic records. Risk factors associated with clinical failure of the first definitive therapy for P...
July 3, 2017: Die Pharmazie
https://www.readbyqxmd.com/read/29410094/antibiotic-treatment-of-infections-caused-by-carbapenem-resistant-gram-negative-bacilli-an-international-escmid-cross-sectional-survey-among-infectious-diseases-specialists-practicing-in-large-hospitals
#10
L Papst, B Beović, C Pulcini, E Durante-Mangoni, J Rodríguez-Baño, K S Kaye, G L Daikos, L Raka, M Paul
OBJECTIVES: To explore contemporary antibiotic management of infections caused by carbapenem-resistant Gram-negative bacteria in hospitals. METHODS: Cross-sectional, internet-based questionnaire survey. We contacted representatives of all hospitals with more than 800 acute-care hospital beds in France, Greece, Israel, Italy, Kosovo, Slovenia, Spain and selected hospitals in the USA. We asked respondents to describe the most common actual practice at their hospital regarding management of carbapenem-resistant Enterobacteriaceae, Acinetobacter baumannii and Pseudomonas aeruginosa through close-ended questions...
February 1, 2018: Clinical Microbiology and Infection
https://www.readbyqxmd.com/read/29395408/incidence-of-risk-factors-for-bloodstream-infections-in-patients-with-major-burns-receiving-intensive-care-a-retrospective-single-center-cohort-study
#11
Alexandra Fochtmann-Frana, Christian Freystätter, Vera Vorstandlechner, André Barth, Michael Bolliger, Elisabeth Presterl, Gerald Ihra, Gabriela Muschitz, Martina Mittlboeck, Athanasios Makristathis, Thomas Rath, Christine Radtke, Christina Forstner
OBJECTIVES: The objective was primarily to identify risk factors for bloodstream infections (BSI) caused by different pathogens. METHODS: A retrospective single-center cohort study was performed on 472 burn patients with an abbreviated burn severity index (ABSI)≥3, a total burn surface area (TBSA)≥10%, and an ICU stay of at least 24h. Risk factors for different BSI pathogens were analyzed by competing risks regression model of Fine and Gray. RESULTS: A total of 114 burn patients developed 171 episodes of BSIs caused by gram-negative bacteria (n=78;46%), gram-positive bacteria (n=69;40%), and fungi (n=24;14%) median after 14days (range, 1-164), 16days (range, 1-170), and 16days (range, 0-89), respectively...
January 29, 2018: Burns: Journal of the International Society for Burn Injuries
https://www.readbyqxmd.com/read/29322242/utility-of-fosfomycin-as-antibacterial-prophylaxis-in-patients-with-hematologic-malignancies
#12
Tanya Zapolskaya, Sarah Perreault, Dayna McManus, Jeffrey E Topal
PURPOSE: Prolonged and profound neutropenia is common among hematology and hematopoietic stem cell transplant (HSCT) patients as a result of chemotherapy. The National Comprehensive Cancer Network (NCCN) and Infectious Diseases Society of America (IDSA) currently recommend antibacterial prophylaxis in patients who are deemed at intermediate or high risk for infection. Specifically, fluoroquinolone prophylaxis should be considered for high-risk neutropenic patients. However, with prolonged and frequent exposure to fluoroquinolones, these high-risk patients may develop resistance to these agents...
January 10, 2018: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/29303041/changes-in-the-microbiological-epidemiology-of-febrile-neutropenia-in-autologous-stem-cell-transplant-recipients
#13
Rosa Rönkkö, Auni Juutilainen, Irma Koivula, Matti Vänskä, Tapio Nousiainen, Esa Jantunen, Sari Hämäläinen
BACKGROUND: The aim of the study was to explore the incidence, microbiological etiology and outcome of febrile neutropenia among adult hematological patients following autologous stem cell transplantation (ASCT). METHODS: The study population consisted of patients who received ASCT between 1 December 2006 and 30 November 2012. The epidemiology was compared to a retrospective series covering eleven previous years at the same institution. Non-Hodgkin lymphoma (NHL) patients, who had been identified as a risk group in the retrospective study, received ciprofloxacin prophylaxis from January 2008...
January 5, 2018: Infectious Diseases
https://www.readbyqxmd.com/read/29298323/implementation-of-global-antimicrobial-resistance-surveillance-system-glass-in-patients-with-bacteremia
#14
Rujipas Sirijatuphat, Kantarida Sripanidkulchai, Adhiratha Boonyasiri, Pinyo Rattanaumpawan, Orawan Supapueng, Pattarachai Kiratisin, Visanu Thamlikitkul
The global antimicrobial resistance surveillance system (GLASS) was launched by the World Health Organization (WHO) in 2015. GLASS is a surveillance system for clinical specimens that are sent to microbiology laboratory for clinical purposes. The unique feature of GLASS is that clinical data is combined with microbiological data, and deduplication of the microbiological results is performed. The objective of the study was to determine feasibility and benefit of GLASS for surveillance of blood culture specimens...
2018: PloS One
https://www.readbyqxmd.com/read/29248504/rapid-emergence-of-colistin-resistance-and-its-impact-on-fatality-among-healthcare-associated-infections
#15
M Aydın, Ö Ergönül, A Azap, H Bilgin, G Aydın, S A Çavuş, Y Z Demiroğlu, H E Alışkan, O Memikoğlu, Ş Menekşe, Ş Kaya, N A Demir, I Karaoğlan, S Başaran, Ç Hatipoğlu, Ş Erdinç, E Yılmaz, A Tümtürk, Y Tezer, H Demirkaya, Ş E Çakar, Ş Keske, S Tekin, C Yardımcı, Ç Karakoç, P Ergen, Ö Azap, L Mülazımoğlu, O Ural, F Can, H Akalın
This article describes the emergence of resistance and predictors of fatality for 1556 cases of healthcare-associated Gram-negative bloodstream infection in 2014 and 2015. The colistin resistance rate in Klebsiella pneumoniae was 16.1%, compared with 6% in 2013. In total, 660 (42.4%) cases were fatal. The highest fatality rate was among patients with Acinetobacter baumannii bacteraemia (58%), followed by Pseudomonas aeruginosa (45%), Klebsiella pneumoniae (41%), Enterobacter cloacae (32%) and Escherichia coli (28%)...
March 2018: Journal of Hospital Infection
https://www.readbyqxmd.com/read/29228127/antibiotic-resistance-and-the-risk-of-recurrent-bacteremia
#16
Sjoukje H S Woudt, Sabine C de Greeff, Annelot F Schoffelen, Anne L M Vlek, Marc J M Bonten
Background: Direct health effects of antibiotic resistance are difficult to assess. We quantified the risk of recurrent bacteremia associated with antibiotic resistance. Methods: We extracted antimicrobial susceptibility testing data on blood isolates of Enterobacteriaceae, Pseudomonas spp., Enterococcus spp. and Staphylococcus aureus from the Dutch surveillance system for antimicrobial resistance between 2008 and 2017. First and first recurrent (4-30days) bacteremia episodes were categorized as susceptible, single non-susceptible or co-non-susceptible (I/R), to 3rd generation cephalosporins -/+ carbapenems (Enterobacteriaceae), ceftazidime -/+ carbapenems (Pseudomonas spp...
December 7, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/29205079/combination-antibiotic-therapy-for-pseudomonas-aeruginosa-bacteremia-in-febrile-neutropenic-patients-the-question-still-remains
#17
Kate L McCarthy, Jacob D Cherian, Minyon L Avent, David L Paterson
No abstract text is available yet for this article.
December 5, 2017: Infectious Diseases
https://www.readbyqxmd.com/read/29149978/perioperative-prophylaxis-for-total-artificial-heart-transplantation
#18
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
#19
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
#20
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
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