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nosocomial pneumonia

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https://www.readbyqxmd.com/read/28431414/intratracheal-instillation-of-neutrophils-rescues-bacterial-overgrowth-initiated-by-trauma-damage-associated-molecular-patterns
#1
Kiyoshi Itagaki, Ingred Riça, Jing Zhang, Dave Gallo, Melissa DePrato, Leo E Otterbein, Carl J Hauser
BACKGROUND: Nosocomial pneumonias are common in trauma patients and so interventions to prevent and treat nosocomial pneumonia may improve outcomes. Our prior work strongly suggests that tissue injury predisposes to infections like nosocomial pneumonia because mitochondrial debris originating from injured cells contains damage-associated molecular patterns that can reduce neutrophil (PMN) migration into the airway and diminish PMN function in response to bacterial inoculation of the airway...
May 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28424761/sequencing-of-blaimp-carrying-incn2-plasmids-and-comparative-genomics-of-incn2-plasmids-harboring-class-1-integrons
#2
Xiaoyuan Jiang, Zhe Yin, Xiuyun Yin, Haihong Fang, Qiang Sun, Yigang Tong, Yuanhong Xu, Defu Zhang, Jiao Feng, Weijun Chen, Yajun Song, Jinglin Wang, Shuiping Chen, Dongsheng Zhou
This work presents the complete nucleotide sequences of p0801-IMP from Klebsiella pneumoniae, p7121-IMP from K. oxytoca, and p17285-IMP from Citrobacter freundii, which are recovered from three different cases of nosocomial infection. These three plasmids represent the first fully sequenced blaIMP-carrying IncN2 plasmids. Further comparative genomics analysis of all the five integron-carrying IncN2 plasmids p0801-IMP, p7121-IMP, p17285-IMP, pJIE137, and p34983-59.134kb indicates that they possess conserved IncN2 backbones with limited genetic variations with respect to gene content and organization...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/28416430/-extracorporeal-membrane-oxygenation-in-critically-ill-neonates-and-children
#3
J Rambaud, J Guilbert, I Guellec, S Jean, A Durandy, M Demoulin, A Amblard, R Carbajal, P-L Leger
Extracorporeal membrane oxygenation is used as a last resort during neonatal and pediatric resuscitation in case of refractory circulatory or respiratory failure under maximum conventional therapies. Different types of ECMO can be used depending on the initial failure. The main indications for ECMO are refractory respiratory failure (acute respiratory distress syndrome, status asthmaticus, severe pneumonia, meconium aspiration syndrome, pulmonary hypertension) and refractory circulatory failure (cardiogenic shock, septic shock, refractory cardiac arrest)...
April 14, 2017: Archives de Pédiatrie: Organe Officiel de la Sociéte Française de Pédiatrie
https://www.readbyqxmd.com/read/28408366/acute-brain-trauma-lung-injury-and-pneumonia-more-than-just-altered-mental-status-and-decreased-airway-protection
#4
Parker J Hu, Jean-Francois Pittet, Jeffrey D Kerby, Patrick L Bosarge, Brant M Wagener
Traumatic brain injury (TBI) is a major cause of mortality and morbidity worldwide. Even when patients survive the initial insult, there is significant morbidity and mortality secondary to subsequent pulmonary edema, acute lung injury and nosocomial pneumonia. While the relationship between TBI and secondary pulmonary complications is recognized, little is known about the mechanistic interplay of the two phenomena. Changes in mental status secondary to acute brain injury certainly impair airway- and lung-protective mechanisms...
April 13, 2017: American Journal of Physiology. Lung Cellular and Molecular Physiology
https://www.readbyqxmd.com/read/28399424/resistance-among-gram-negative-eskape-pathogens-isolated-from-hospitalized-patients-with-intra-abdominal-and-urinary-tract-infections-in-latin-american-countries-smart-2013-2015
#5
James A Karlowsky, Daryl J Hoban, Meredith A Hackel, Sibylle H Lob, Daniel F Sahm
Gram-negative ESKAPE pathogens (Klebsiella pneumoniae, Acinetobacter baumannii, Pseudomonas aeruginosa, and Enterobacter species) are important etiologic agents of nosocomial infection that are frequently resistant to broad-spectrum antimicrobial agents. Gram-negative ESKAPE pathogens were collected from hospitalized patients in 11 Latin American countries from 2013 to 2015 as part of the Study for Monitoring Antimicrobial Resistance Trends (SMART) global surveillance program. In total, 2113 isolates from intra-abdominal infections (IAI) and 970 isolates from urinary tract infections (UTI) were tested against antimicrobial agents using standardized CLSI broth microdilution methodology...
April 8, 2017: Brazilian Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28397262/extended-spectrum-%C3%AE-lactamase-producing-escherichia-coli-and-klebsiella-pneumoniae-critical-tools-for-antibiotic-resistance-pattern
#6
REVIEW
Nagarajan Padmini, Antony Alex Kennedy Ajilda, Natesan Sivakumar, Gopal Selvakumar
Drug resistance is a phenomenon where by an organism becomes fully or partially resistant to drugs or antibiotics being used against it. Antibiotic resistance poses an exacting intimidation for people with underlying medical immune conditions or weakened immune systems. Infections caused by the enzyme extended spectrum β-lactamase (ESBL) producing multi drug resistance (MDR) Enterobacteriaceae especially Escherichia coli and Klebsiella pneumoniae are resistant to a broad range of beta lactams, including third generation cephalosporins...
April 11, 2017: Journal of Basic Microbiology
https://www.readbyqxmd.com/read/28397261/validity-and-reliability-of-administrative-coded-data-for-the-identification-of-hospital-acquired-infections-an-updated-systematic-review-with-meta-analysis-and-meta-regression-analysis
#7
Olga Redondo-González, José María Tenías, Ángel Arias, Alfredo J Lucendo
OBJECTIVE: To conduct an updated assessment of the validity and reliability of administrative coded data (ACD) in identifying hospital-acquired infections (HAIs). METHODS: We systematically searched three libraries for studies on ACD detecting HAIs compared to manual chart review. Meta-analyses were conducted for prosthetic and nonprosthetic surgical site infections (SSIs), Clostridium difficile infections (CDIs), ventilator-associated pneumonias/events (VAPs/VAEs) and non-VAPs/VAEs, catheter-associated urinary tract infections (CAUTIs), and central venous catheter-related bloodstream infections (CLABSIs)...
April 11, 2017: Health Services Research
https://www.readbyqxmd.com/read/28382951/nosocomial-and-community-acquired-spontaneous-bacterial-peritonitis-in-patients-with-liver-cirrhosis-in-china-comparative-microbiology-and-therapeutic-implications
#8
Lei Shi, Dan Wu, Lei Wei, Suxia Liu, Peng Zhao, Bo Tu, Yangxin Xie, Yanan Liu, Xinhua Wang, Liying Liu, Xin Zhang, Zhe Xu, Fusheng Wang, Enqiang Qin
Spontaneous bacterial peritonitis (SBP) is a common complication of liver cirrhosis. This study was performed to compare the microbiological characteristics of nosocomial and community-acquired episodes of bacterial peritonitis in China. Five hundred and seventy-five strains were isolated from the ascitic fluid of cirrhotic patients from the Beijing 302 Hospital from January 2014 to December 2014. The patients in the community-acquired SBP (n = 311) and the nosocomial SBP (n = 264) groups exhibited significant differences in clinical symptoms (P < 0...
April 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28375514/clinical-implications-of-genomic-adaptation-and-evolution-of-carbapenem-resistant-klebsiella-pneumoniae
#9
Angela Gomez-Simmonds, Anne-Catrin Uhlemann
Klebsiella pneumoniae poses a major challenge to healthcare worldwide as an important cause of multidrug-resistant infections. Nosocomial clones, including epidemic sequence type 258 (ST258), have shown an affinity for acquiring and disseminating resistance plasmids, particularly variants of the K. pneumoniae carbapenemase. By comparison, the resurgence of severe community-associated K. pneumoniae infections has led to increased recognition of hypervirulent strains belonging to the K1 and K2 capsular serotypes, predominantly in eastern Asia...
February 15, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28374117/virtual-screening-for-potential-inhibitors-of-ctx-m-15-protein-of-klebsiella-pneumoniae
#10
Tayebeh Farhadi, Atefeh Fakharian, Roman S Ovchinnikov
The Gram-negative bacterium Klebsiella pneumoniae, responsible for a wide variety of nosocomial infections in immuno-deficient patients, involves the respiratory, urinary and gastrointestinal tract infections and septicemia. Extended spectrum β-lactamases (ESBL) belong to β-lactamases capable of conferring antibiotic resistance in Gram-negative bacteria. CTX-M-15, a prevalent ESBL reported from Enterobacteriaceae including K. pneumoniae, was selected as a potent anti-bacterial target. To identify the novel drug-like compounds, structure-based screening procedure was employed against downloaded drug-like compounds from ZINC database...
April 3, 2017: Interdisciplinary Sciences, Computational Life Sciences
https://www.readbyqxmd.com/read/28367030/clinical-characteristics-and-prognostic-factors-of-patients-with-stenotrophomonas-maltophilia-infections
#11
Priyam Batra, Purva Mathur, Mahesh C Misra
INTRODUCTION: Stenotrophomonas maltophilia earlier had limited pathogenic potential, but now with growing degree of immunosuppression in general population, it is being recognized as an important nosocomial pathogen. METHODOLOGY: A retrospective 7 years study was carried out to determine the clinical characteristics of all patients with Stenotrophomonas infections, antibiotic resistance pattern, and risk factors associated with hospital mortality. All patients with Stenotrophomonas culture positivity were identified and their medical records were reviewed...
April 2017: Journal of Laboratory Physicians
https://www.readbyqxmd.com/read/28363063/fatal-acinetobacter-baumannii-infection-in-the-critically-endangered-european-mink-mustela-lutreola
#12
David Cano-Terriza, Rafael Guerra, Elena Mozos, Belén Rodríguez-Sánchez, Carmen Borge, Ignacio García-Bocanegra
The present study reports the first case of fatal Acinetobacter baumannii infection in the critically endangered European mink ( Mustela lutreola ). Gross examination revealed a severe, diffuse hemorrhagic pneumonia and generalized congestion as main features. Microscopically, the main lesions were an acute, severe fibrinous-hemorrhagic pneumonia associated with proliferation of coccobacilli and generalized acute-subacute congestion. Cultures yielded A. baumannii ; the species was confirmed by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry and the strain presented a multidrug-resistant pattern...
March 2017: Journal of Zoo and Wildlife Medicine: Official Publication of the American Association of Zoo Veterinarians
https://www.readbyqxmd.com/read/28356079/enterobacteriaceae-producing-extended-spectrum-%C3%AE-lactamases-esbls-colonization-as-a-risk-factor-for-developing-esbl-infections-in-pediatric-cardiac-surgery-patients-retrospective-cohort-study
#13
Amine Cheikh, Bouchra Belefquih, Younes Chajai, Younes Cheikhaoui, Amine El Hassani, Amina Benouda
BACKGROUND: Children with cardiac defects need many hospitalizations and repetitive antibiotic therapies, with an increasing risk of colonization with multidrug-resistant bacteria (MDRB) such as extended-spectrum β-lactamase-producing Enterobacteriaceae (ESBL-E) Post-operative infections with these bacteria in paediatric cardiac surgery are life threatening. This article aims to study the prevalence of ESBL colonization among paediatric cardiac surgery patients, and to compare occurrence of post-operative infections with and without ESBL colonization...
March 29, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28353453/a-change-for-the-antibacterial-treatment-policy-to-decrease-carbapenem-consumption-at-a-haematopoietic-stem-cell-transplantation-centre
#14
Gõkhan Metan, Leylagül Kaynar, Nuran Yozgat, Ferhan Elmali, Cemile Altay Kürkçüoglu, Emine Alp, Mustafa Çetin
After experiencing a high rate of carbapenem-resistant Gram-negative bacilli infections in febrile neutropenic patients, a two-stage intervention was introduced in the haematopoietic stem cell transplantation (HSCT) centre. During the first eight months of 2014, carbapenems remained the first choice for the empirical treatment of febrile neutropenia while the use of piperacillin/tazobactam (TZP) was encouraged in patients with stable clinical condition. When blood cultures were reported as negative and the patient was clinically stable the carbapenem/TZP treatment was stopped regardless of continuous fever and neutrophil count...
March 1, 2017: Le Infezioni in Medicina
https://www.readbyqxmd.com/read/28350183/prevalence-and-antimicrobial-susceptibility-of-enterobacteriaceae-isolated-from-retail-pepper-in-vietnam
#15
Tetsuya Harada, Ryoko Yamane, Van Chinh Dang, Do Phuc Nguyen, Thi Anh Dao Nguyen, Michio Jinnai, Shinya Yonogi, Ryuji Kawahara, Masashi Kanki, Takao Kawai, Kentaro Kawatsu, Yuko Kumeda, Yuji Isegawa, Yoshimasa Yamamoto
To investigate the microbial quality of retail pepper in Vietnam, the enumeration and detection of Enterobacteriaceae and the screening of cefotaxime (CTX)-resistant coliforms were performed by using 84 commercial samples. Although Enterobacteriaceae were isolated from 78 samples, the number of Enterobacteriaceae was lower than 1.0 log CFU/g in 46 samples. For the detection of Enterobacteriaceae with the International Organization for Standardization methods, Salmonella spp., Escherichia coli , Klebsiella pneumoniae , Cronobacter sakazakii , and Enterobacter cloacae complex were isolated from 5, 12, 36, 19, and 30 samples, respectively...
March 28, 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/28345481/cost-effectiveness-analysis-of-implementing-an-antimicrobial-stewardship-programme-in-critical-care-units
#16
Jesus Ruiz-Ramos, Juan Frasquet, Eva Romá, Jose Luis Poveda-Andres, Miguel Salavert-Leti, Alvaro Catellanos, Paula Ramirez
AIMS: To evaluate the cost-effectiveness of antimicrobial stewardship (AS) programme implementation focused on critical care units based on assumptions for the Spanish setting. MATERIAL AND METHODS: A decision model comparing costs and outcomes of sepsis, community-acquired pneumonia, and nosocomial infections (including catheter-related bacteremia, urinary tract infection, and ventilator-associated pneumonia) in critical care units with or without an AS was designed...
March 26, 2017: Journal of Medical Economics
https://www.readbyqxmd.com/read/28341427/community-onset-carbapenem-resistant-klebsiella-pneumoniae-urinary-tract-infections-in-infancy-following-nicu-hospitalisation
#17
Eleni Vergadi, Maria Bitsori, Sofia Maraki, Emmanouil Galanakis
INTRODUCTION: Urinary tract infection (UTI) is a common bacterial infection in childhood with favourable outcome. However, the recent emergence of UTI caused by multidrug-resistant pathogens, such as carbapenem-resistant Enterobacteriaceae (CRE), has become a great concern worldwide. CRE are mainly responsible for nosocomial infections and community-onset CRE infections in healthy individuals are rare. OBJECTIVES: In this study, we report a series of infants without substantial genitourinary abnormalities that were admitted with community-onset urinary tract infections (UTIs) caused by carbapenem-resistant Klebsiella pneumoniae (CRKP) and we discuss their aetiology...
March 11, 2017: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/28339769/incidence-and-potential-risk-factors-for-hospital-acquired-pneumonia-in-an-emergency-department-of-surgery
#18
Marie Stenlund, Rune Sjödahl, R N Pia Yngman-Uhlin
Objective: Hospital-acquired pneumonia (HAP) is associated with high mortality and is the second most common nosocomial infection. The aim of this study was to calculate the incidence and to identify potential risk factors for HAP in an emergency ward for surgical patients admitted because of acute abdomen or trauma. Design: A structured review of medical records was conducted. Patients diagnosed with pneumonia >48 h after admittance, were compared with a randomly chosen age-matched reference group...
February 23, 2017: International Journal for Quality in Health Care
https://www.readbyqxmd.com/read/28337187/defining-and-evaluating-a-core-genome-multilocus-sequence-typing-scheme-for-whole-genome-sequence-based-typing-of-klebsiella-pneumoniae
#19
Haijian Zhou, Wenbing Liu, Tian Qin, Chen Liu, Hongyu Ren
At present, the most used methods for Klebsiella pneumoniae subtyping are multilocus sequence typing (MLST) and pulsed-field gel electrophoresis (PFGE). However, the discriminatory power of MLST could not meet the need for distinguishing outbreak and non-outbreak isolates and the PFGE is time-consuming and labor-intensive. A core genome multilocus sequence typing (cgMLST) scheme for whole-genome sequence-based typing of K. pneumoniae was developed for solving the disadvantages of these traditional molecular subtyping methods...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28330410/outcome-and-management-of-refractory-respiratory-failure-with-timely-extracorporeal-membrane-oxygenationsingle-center-experience-with-legionella-pneumonia
#20
Roberto Roncon-Albuquerque, Rodrigo Vilares-Morgado, Gert-Jan van der Heijden, João Ferreira-Coimbra, Paulo Mergulhão, José Artur Paiva
OBJECTIVE: To analyze the management and outcome of patients with refractory respiratory failure complicating severe Legionella pneumonia rescued with extracorporeal membrane oxygenation (ECMO) in our Center. DESIGN AND SETTING: Observational study of patients with refractory respiratory failure treated with ECMO in Hospital S.João (Porto, Portugal), between November 2009 and September 2016. PARTICIPANTS: A total of 112 patients rescued with ECMO, of which 14 had Legionella pneumonia...
January 1, 2017: Journal of Intensive Care Medicine
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