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pneumonia nosocomial

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https://www.readbyqxmd.com/read/28320561/the-effects-of-oral-rinse-with-0-2-and-2-chlorhexidine-on-oropharyngeal-colonization-and-ventilator-associated-pneumonia-in-adults-intensive-care-units
#1
Farid Zand, Leili Zahed, Parisa Mansouri, Freshte Dehghanrad, Maryam Bahrani, Mohammad Ghorbani
BACKGROUND: Ventilator Associated Pneumonia (VAP) is the most common nosocomial infection in Intensive Care Units (ICUs) which increases the length of ICU stay, duration of mechanical ventilation, and mortality. The present study used an oral care protocol and compared the effects of two different concentrations of chlorhexidine on reduction of oropharyngeal colonization and VAP. MATERIALS AND METHODS: This study was performed on 114 patients from trauma, surgery, neurosurgery, and general ICUs randomly allocated to two groups under oral care with 0...
March 1, 2017: Journal of Critical Care
https://www.readbyqxmd.com/read/28291671/molecular-characterization-of-kpc-producing-klebsiella-pneumoniae-isolated-from-patients-in-a-public-hospital-in-caracas-venezuela
#2
Aura Dayana Falco Restrepo, Mariel Alexandra Velásquez Nieves, Howard Takiff
INTRODUCTION: Klebsiella pneumoniae carbapenemase (KPC)-producing bacteria are amongst the most important causative agents of nosocomial infections worldwide. Isolates of this bacterium have been identified in Venezuela but little is known about their local spread. The aim of this study was to perform the molecular characterization of KPC-producing strains isolated from 2012 to 2013 in a public hospital in Caracas, Venezuela. METHODS: Twenty-two K. pneumoniae clinical isolates phenotypically classified as KPC producing were subjected to PCR screening for the presence of blaKPC genes and their location within transposon Tn4401...
March 11, 2017: Enfermedades Infecciosas y Microbiología Clínica
https://www.readbyqxmd.com/read/28289522/device-associated-infection-rates-mortality-length-of-stay-and-bacterial-resistance-in-intensive-care-units-in-ecuador-international-nosocomial-infection-control-consortium-s-findings
#3
Estuardo Salgado Yepez, Maria M Bovera, Victor D Rosenthal, Hugo A González Flores, Leonardo Pazmiño, Francisco Valencia, Nelly Alquinga, Vanessa Ramirez, Edgar Jara, Miguel Lascano, Veronica Delgado, Cristian Cevallos, Gasdali Santacruz, Cristian Pelaéz, Celso Zaruma, Diego Barahona Pinto
AIM: To report the results of the International Nosocomial Infection Control Consortium (INICC) study conducted in Quito, Ecuador. METHODS: A device-associated healthcare-acquired infection (DA-HAI) prospective surveillance study conducted from October 2013 to January 2015 in 2 adult intensive care units (ICUs) from 2 hospitals using the United States Centers for Disease Control/National Healthcare Safety Network (CDC/NHSN) definitions and INICC methods. RESULTS: We followed 776 ICU patients for 4818 bed-days...
February 26, 2017: World Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28280486/the-resistance-phenotype-and-molecular-epidemiology-of-klebsiella-pneumoniae-in-bloodstream-infections-in-shanghai-china-2012-2015
#4
Shu-Zhen Xiao, Su Wang, Wen-Man Wu, Sheng-Yuan Zhao, Fei-Fei Gu, Yu-Xing Ni, Xiao-Kui Guo, Jie-Ming Qu, Li-Zhong Han
Klebsiella pneumoniae (K.pneumoniae) is a common nosocomial pathogen causing bloodstream infections. Antibiotic susceptibility surveillance and molecular characterization will facilitate prevention and management of K. pneumoniae bloodstream infections. K. pneumoniae isolates causing bloodstream infections were consecutively collected between January 2012 and December 2015 in Shanghai. Eighty isolates (20 per year) were randomly selected and enrolled in this study. Drug susceptibility were determined by the disk diffusion method...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28278272/additional-regulatory-activities-of-mrkh-for-the-transcriptional-expression-of-the-klebsiella-pneumoniae-mrk-genes-antagonist-of-h-ns-and-repressor
#5
Miguel A Ares, José L Fernández-Vázquez, Sabino Pacheco, Verónica I Martínez-Santos, Ma Dolores Jarillo-Quijada, Javier Torres, María D Alcántar-Curiel, Jorge A González-Y-Merchand, Miguel A De la Cruz
Klebsiella pneumoniae is a common opportunistic pathogen causing nosocomial infections. One of the main virulence determinants of K. pneumoniae is the type 3 pilus (T3P). T3P helps the bacterial interaction to both abiotic and biotic surfaces and it is crucial for the biofilm formation. T3P is genetically organized in three transcriptional units: the mrkABCDF polycistronic operon, the mrkHI bicistronic operon and the mrkJ gene. MrkH is a regulatory protein encoded in the mrkHI operon, which positively regulates the mrkA pilin gene and its own expression...
2017: PloS One
https://www.readbyqxmd.com/read/28274205/rapid-detection-of-carbapenemase-producing-klebsiella-pneumoniae-strains-derived-from-blood-cultures-by-matrix-assisted-laser-desorption-ionization-time-of-flight-mass-spectrometry-maldi-tof-ms
#6
Christina Sakarikou, Marco Ciotti, Camilla Dolfa, Silvia Angeletti, Cartesio Favalli
BACKGROUND: Carbapenemase-producing Enterobacteriaceae (CPE), particularly carbapenemase-producing Klebsiella pneumoniae isolates, are important causative agents of nosocomial infections associated with significant mortality rates mostly in critical wards. The rapid detection and typing of these strains is critical either for surveillance purposes and to prevent outbreaks and optimize antibiotic therapy. In this study, the MALDI-TOF MS method was used to detect rapidly these isolates from blood cultures (BCs) and to obtain proteomic profiles enable to discriminate between carbapenemase-producing and non-carbapenemase-producing strains...
March 8, 2017: BMC Microbiology
https://www.readbyqxmd.com/read/28268024/presence-distribution-and-molecular-epidemiology-of-multi-drug-resistant-gram-negative-bacilli-from-medical-personnel-of-intensive-care-units-in-tianjin-china-2007-2015
#7
H Liu, C N Fei, Y Zhang, G W Liu, J Liu, J Dong
BACKGROUND: Multi-drug-resistant Gram-negative bacteria (MDRGNB) have become an important cause of nosocomial infection in intensive care units (ICUs). AIMS: To investigate the molecular epidemiology of MDRGNB isolated from medical personnel (MP) and non-medical personnel (NMP) at 69 ICUs in Tianjin, China. METHODS: From April 2007 to October 2015, 2636 nasal and hand swab samples from 1185 MP and 133 NMP were cultured for GNB (including MDRGNB), meticillin-resistant Staphylococcus aureus (MRSA) and vancomycin-resistant enterococci (VRE)...
January 28, 2017: Journal of Hospital Infection
https://www.readbyqxmd.com/read/28264853/pharmacokinetics-and-pharmacodynamics-of-minocycline-against-acinetobacter-baumannii-in-a-neutropenic-murine-pneumonia-model
#8
Jian Zhou, Kimberly R Ledesma, Kai-Tai Chang, Henrietta Abodakpi, Song Gao, Vincent H Tam
Multi-drug resistant (MDR) Acinetobacter baumannii is increasingly more prevalent in nosocomial infections. Although in vitro susceptibility of A. baumannii to minocycline is promising, the in vivo efficacy of minocycline has not been well established. In this study, the in vivo activity of minocycline was evaluated in a neutropenic murine pneumonia model. Specifically, we investigated the relationship between minocycline exposure and bactericidal activity using 5 A. baumannii isolates with a broad range of susceptibility (MIC ranged from 0...
March 6, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28261570/human-salivary-protein-histatin-5-has-potent-bactericidal-activity-against-eskape-pathogens
#9
Han Du, Sumant Puri, Andrew McCall, Hannah L Norris, Thomas Russo, Mira Edgerton
ESKAPE (Enterococcus faecium, Staphylococcus aureus, Klebsiella pneumoniae, Acinetobacter baumanni, Pseudomonas aeruginosa, and Enterobacter species) pathogens have characteristic multiple-drug resistance and cause an increasing number of nosocomial infections worldwide. Peptide-based therapeutics to treat ESKAPE infections might be an alternative to conventional antibiotics. Histatin 5 (Hst 5) is a salivary cationic histidine-rich peptide produced only in humans and higher primates. It has high antifungal activity against Candida albicans through an energy-dependent, non-lytic process; but its bactericidal effects are less known...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/28246361/new-mouse-model-for-chronic-infections-by-gram-negative-bacteria-enabling-the-study-of-anti-infective-efficacy-and-host-microbe-interactions
#10
Daniel Pletzer, Sarah C Mansour, Kelli Wuerth, Negin Rahanjam, Robert E W Hancock
Only a few, relatively cumbersome animal models enable long-term Gram-negative bacterial infections that mimic human situations, where untreated infections can last for weeks. Here, we describe a simple murine cutaneous abscess model that enables chronic or progressive infections, depending on the subcutaneously injected bacterial strain. In this model, Pseudomonas aeruginosa cystic fibrosis epidemic isolate LESB58 caused localized high-density skin and soft tissue infections and necrotic skin lesions for up to 10 days but did not disseminate in either CD-1 or C57BL/6 mice...
February 28, 2017: MBio
https://www.readbyqxmd.com/read/28242035/tracheo-bronchitis-and-pneumonia-associated-with-mechanical-ventilation-by-chryseobacterium-indologenes
#11
A González-Castro, A Alsasua, Y Peñasco, J C Rodríguez, J Duerto
The development of nosocomial infections by germs resistant to carbapenems inherently increases mortality, and causes an increase in health spending. The knowledge and study of these infections is important in improving epidemiological and therapeutic performance protocols. We present a descriptive study of eight patients diagnosed with tracheobronchitis (TAVM) and pneumonia (NAVM) associated with mechanical ventilation Chryseobacterium indologenes (CBI), over a period of five years. CBI isolation occurred at 11 days on average (rank 7-18) of remaining patients connected to mechanical ventilation...
February 24, 2017: Revista Española de Anestesiología y Reanimación
https://www.readbyqxmd.com/read/28236797/community-acquired-pneumonia-caused-by-methicillin-resistant-staphylococcus-aureus-in-critically-ill-patients-systematic-review
#12
Nuria Carballo, Marta De Antonio-Cuscó, Daniel Echeverría-Esnal, Sonia Luque, Esther Salas, Santiago Grau
INTRODUCTION: Community-acquired pneumonia (CAP) is associated with high morbidity and mortality rates. Despite methicillin-resistant Staphylococcus aureus (MRSA) having often been associated with nosocomial pneumonia, the condition of some MRSA CAP patients is severe enough to warrant their being admitted to ICU. OBJECTIVE: The purpose of this study is to conduct a systematic review of the literature on antibiotic treatment of MRSA CAP in critically-ill patients...
March 1, 2017: Farmacia Hospitalaria
https://www.readbyqxmd.com/read/28228969/prevention-and-treatment-of-neonatal-nosocomial-infections
#13
REVIEW
Jayashree Ramasethu
Nosocomial or hospital acquired infections threaten the survival and neurodevelopmental outcomes of infants admitted to the neonatal intensive care unit, and increase cost of care. Premature infants are particularly vulnerable since they often undergo invasive procedures and are dependent on central catheters to deliver nutrition and on ventilators for respiratory support. Prevention of nosocomial infection is a critical patient safety imperative, and invariably requires a multidisciplinary approach. There are no short cuts...
2017: Maternal Health, Neonatology and Perinatology
https://www.readbyqxmd.com/read/28224111/attributable-cost-of-a-nosocomial-infection-in-the-intensive-care-unit-a-prospective-cohort-study
#14
Binila Chacko, Kurien Thomas, Thambu David, Hema Paul, Lakshmanan Jeyaseelan, John Victor Peter
AIM: To study the impact of hospital-acquired infections (HAIs) on cost and outcome from intensive care units (ICU) in India. METHODS: Adult patients (> 18 years) admitted over 1-year, to a 24-bed medical critical care unit in India, were enrolled prospectively. Treatment cost and outcome data were collected. This cost data was merged with HAI data collected prospectively by the Hospital Infection Control Committee. Only infections occurring during ICU stay were included...
February 4, 2017: World Journal of Critical Care Medicine
https://www.readbyqxmd.com/read/28223459/evolution-and-epidemiology-of-multidrug-resistant-klebsiella-pneumoniae-in-the-united-kingdom-and-ireland
#15
Danesh Moradigaravand, Veronique Martin, Sharon J Peacock, Julian Parkhill
Klebsiella pneumoniae is a human commensal and opportunistic pathogen that has become a leading causative agent of hospital-based infections over the past few decades. The emergence and global expansion of hypervirulent and multidrug-resistant (MDR) clones of K. pneumoniae have been increasingly reported in community-acquired and nosocomial infections. Despite this, the population genomics and epidemiology of MDR K. pneumoniae at the national level are still poorly understood. To obtain insights into these, we analyzed a systematic large-scale collection of invasive MDR K...
February 21, 2017: MBio
https://www.readbyqxmd.com/read/28216097/epidemiology-and-resistance-characteristics-of-pseudomonas-aeruginosa-isolates-from-the-respiratory-department-of-a-hospital-in-china
#16
Wei Feng, Fengjun Sun, Qian Wang, Wei Xiong, Xuewen Qiu, Xiaotian Dai, Peiyuan Xia
OBJECTIVES: Pseudomonas aeruginosa is one of the most common pathogens causing nosocomial pneumonia. The aim of this study was to investigate the epidemiology and resistance of P. aeruginosa isolated from hospitalised patients in the respiratory department of a hospital in China. METHODS: Clinical isolates were collected from the respiratory department of Southwest Hospital (Chongqing, China) from January 2013 to December 2014. Patients' social and demographic information was obtained from the hospital's information system...
February 12, 2017: Journal of Global Antimicrobial Resistance
https://www.readbyqxmd.com/read/28215171/oral-colonization-by-nosocomial-pathogens-during-hospitalization-in-invasive-care-unit-and-prevention-strategies
#17
Hossein Kazemian, Samane Bourbour, Maryam Beheshti, Abbas Bahador
BACKGROUND: Critically ill patients are very susceptible to a variety of disorders and infections during hospitalization in Intensive Care Units (ICU). Among these problems, nosocomial infections are major causes of morbidity and mortality. METHODS: Nosocomial pneumonias, specifically ventilator associated pneumonias have become a major health care issue. The implication of oral care in hospital presents challenges that can prevent or reduce the risk of nosocomial pneumonias in ICU...
February 15, 2017: Recent Patents on Anti-infective Drug Discovery
https://www.readbyqxmd.com/read/28212478/-risk-factors-related-with-ventilator-associated-pneumonia-in-a-neonatal-intensive-care-therapy
#18
Juan Pablo Romo-Gamboa, Bertha Alicia Sandoval-Pérez, Ana Bertha Rodríguez-López, Marco Antonio Torres-González, Juan Carlos Barrera-de León
BACKGROUND: Ventilator-associated pneumonia (VAP) represents the second cause of nosocomial infections and it is associated with greater morbility, duration of mechanical ventilation (MV), and hospital stay. The objective was to determine factors related with VAP in neonates. METHODS: Analytical transversal study including newborns admitted already intubated with at least 48 hours of MV or who were intubated in Neonatal Therapy. VAP was defined according to the criteria of the Centers for Disease Control and Prevention: "those patients submitted to MV during at least 48 hours"...
2017: Revista Médica del Instituto Mexicano del Seguro Social
https://www.readbyqxmd.com/read/28208889/management-of-pneumonia-and-blood-stream-infections-with-new-antibiotic-adjuvant-entity-ceftriaxone-sulbactam-disodium-edetate-a-novel-way-to-spare-carbapenems
#19
Mohammad Shameem, Mohammad Amin Mir
INTRODUCTION: Nosocomial infections have been considered as a major health problem causing incremental morbidity, mortality and costs of therapy. AIM: This retrospective study was initiated with aim to analyse the comparative efficacy of a novel Antibiotic Adjuvant Entity (AAE), a combination of ceftriaxone + sulbactam + disodium edetate and meropenem in combination with colistin, for the management of Multi Drug Resistant (MDR) nosocomial Gram-negative bacterial infections...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28203427/potency-of-parenteral-antimicrobials-including-ceftolozane-tazobactam-against-nosocomial-respiratory-tract-pathogens-considerations-for-empiric-and-directed-therapy
#20
Christina A Sutherland, David P Nicolau
BACKGROUND: Empiric therapy decisions are predicated on knowledge of both the epidemiology and antimicrobial susceptibility of the probable infecting pathogen(s). The objective of this study was to evaluate the microbial distribution and phenotypic profiles of nosocomial respiratory isolates collected from multiple US hospitals and assess the clinical utility of various monotherapy and combination regimens. METHODS: Hospitals provided consecutive non-duplicate adult inpatients Gram-negative nosocomial respiratory isolates from cultures received ≥48 h after hospital admission...
January 2017: Journal of Thoracic Disease
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