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https://www.readbyqxmd.com/read/29165152/detection-of-antibiotic-resistant-acinetobacter-baumannii-in-various-hospital-environments-potential-sources-for-transmission-of-acinetobacter-infections
#1
Zahra Shamsizadeh, Mahnaz Nikaeen, Bahram Nasr Esfahani, Seyed Hamed Mirhoseini, Maryam Hatamzadeh, Akbar Hassanzadeh
BACKGROUND: Antibiotic resistant Acinetobacter baumannii has emerged as one of the most problematic hospital acquired pathogens around the world. This study was designed to investigate the presence of antibiotic resistant A. baumannii in various hospital environments. METHODS: Air, water and inanimate surface samples were taken in different wards of four hospitals and analyzed for the presence of A. baumannii. Confirmed A. baumannii isolates were analyzed for antimicrobial susceptibility and also screened for the presence of three most common OXA- type carbapenemase-encoding genes...
May 8, 2017: Environmental Health and Preventive Medicine
https://www.readbyqxmd.com/read/29165147/enterococcus-hirae-biofilm-formation-on-hospital-material-surfaces-and-effect-of-new-biocides
#2
Silvia Di Lodovico, Valentina Cataldi, Emanuela Di Campli, Elisabetta Ancarani, Luigina Cellini, Mara Di Giulio
BACKGROUND: Nowadays, the bacterial contamination in the hospital environment is of particular concern because the hospital-acquired infections (HAIs), also known as nosocomial infections, are responsible for significant morbidity and mortality. This work evaluated the capability of Enterococcus hirae to form biofilm on different surfaces and the action of two biocides on the produced biofilms. METHODS: The biofilm formation of E. hirae ATCC 10541 was studied on polystyrene and stainless steel surfaces through the biomass quantification and the cell viability at 20 and 37 °C...
August 2, 2017: Environmental Health and Preventive Medicine
https://www.readbyqxmd.com/read/29162982/future-directions-and-molecular-basis-of-ventilator-associated-pneumonia
#3
REVIEW
Kubra Aykac, Yasemin Ozsurekci, Sevgen Tanir Basaranoglu
Mechanical ventilation is a lifesaving treatment and has complications such as ventilator associated pneumonia (VAP) that lead to high morbidity and mortality. Moreover VAP is the second most common hospital-acquired infection in pediatric intensive care units. Although it is still not well understood, understanding molecular pathogenesis is essential for preventing and treating pneumonia. A lot of microbes are detected as a causative agent of VAP. The most common isolated VAP pathogens in pediatric patients are Staphylococcus aureus, Pseudomonas aeruginosa, and other gram negative bacteria...
2017: Canadian Respiratory Journal: Journal of the Canadian Thoracic Society
https://www.readbyqxmd.com/read/29162493/outbreak-of-gentamicin-resistant-meticillin-susceptible-staphlococcus-aureus-on-a-neonatal-unit
#4
Sahar Eldirdiri, Jennifer Lee, Ann Jack, Alison Wright, Alison Findlay, Gabby Phillips
BACKGROUND: This report describes an outbreak of gentamicin-resistant meticillin-resistant Staphylococcus aureus (GR MSSA) which occurred on a 21-bed neonatal unit (NNU) in Ninewells Hospital, Dundee, Scotland. METHODS: An outbreak investigation was triggered by two new GR MSSA isolates from babies admitted directly to the unit who had acquired this organism during their stay. Data on MSSA cases and antibiograms of patient isolates were flagged as an alert and microbiology records trawled to detect previous cases...
November 18, 2017: Journal of Hospital Infection
https://www.readbyqxmd.com/read/29162291/the-efficacy-of-self-disinfecting-bedrail-covers-in-an-intensive-care-unit
#5
Lisa M Esolen, Lokendra Thakur, Abraham J Layon, Thomas A Fuller, Deni-Jo Harrington, Kunal Jha, Subhashinie Kariyawasam
BACKGROUND: Hospital surfaces are considered important vectors in the spread of nosocomial pathogens. This study evaluated microbial counts on novel antimicrobial bedrail covers over a 2-week period in a critical care environment. METHODS: Disposable bedrail covers (Aionx Inc, Hershey, PA) made of a copper and silver polymer and capable of conducting an imperceptible surface potential, were installed in a case-control manner on a series of occupied intensive care unit beds...
November 19, 2017: American Journal of Infection Control
https://www.readbyqxmd.com/read/29158121/systemic-cytokines-and-chemokines-on-admission-of-children-hospitalized-with-community-acquired-pneumonia
#6
Ângela G Vasconcellos, Jorge Clarêncio, Daniela Andrade, Maria-Regina A Cardoso, Aldina Barral, Cristiana M Nascimento-Carvalho
Community-acquired pneumonia (CAP) is the main cause of death in children under-5 years worldwide and Streptococcus pneumoniae is the most common bacterial agent. However, it is difficult to identify pneumococcal infection among children with CAP. We aimed to assess association between any cytokine/chemokine and pneumococcal infection in childhood CAP. Furthermore, we evaluated the diagnostic value of cytokine/chemokine for pneumococcal infection. This prospective study was conducted at an Emergency Room, in Salvador, Brazil...
November 17, 2017: Cytokine
https://www.readbyqxmd.com/read/29157314/risk-factors-for-staphylococcus-aureus-acquisition-in-the-neonatal-intensive-care-unit-a-matched-case-case-control-study
#7
Matthew C Washam, Andrea Ankrum, Beth E Haberman, Mary Allen Staat, David B Haslam
OBJECTIVE To determine risk factors independent of length of stay (LOS) for Staphylococcus aureus acquisition in infants admitted to the neonatal intensive care unit (NICU). DESIGN Retrospective matched case-case-control study. SETTING Quaternary-care referral NICU at a large academic children's hospital. METHODS Infants admitted between January 2014 and March 2016 at a level IV NICU who acquired methicillin resistant (MRSA) or susceptible (MSSA) S. aureus were matched with controls by duration of exposure to determine risk factors for acquisition...
November 21, 2017: Infection Control and Hospital Epidemiology
https://www.readbyqxmd.com/read/29157206/antifungal-susceptibility-testing-of-candida-species-isolated-from-the-immunocompromised-patients-admitted-to-ten-university-hospitals-in-iran-comparison-of-colonizing-and-infecting-isolates
#8
Parisa Badiee, Hamid Badali, Teun Boekhout, Kambiz Diba, Abdolkarim Ghadimi Moghadam, Ali Hossaini Nasab, Hadis Jafarian, Rasoul Mohammadi, Hossein Mirhendi, Mohammad Javad Najafzadeh, Ahmad Shamsizadeh, Jafar Soltani
BACKGROUND: Antifungal susceptibility testing is a subject of interest in the field of medical mycology. The aim of the present study were the distributions and antifungal susceptibility patterns of various Candida species isolated from colonized and infected immunocompromised patients admitted to ten university hospitals in Iran. METHODS: In totally, 846 Candida species were isolated from more than 4000 clinical samples and identified by the API 20 C AUX system...
November 21, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/29155125/virulence-characteristics-and-molecular-relatedness-of-methicillin-resistant-staphylococcus-aureus-harboring-different-staphylococcal-cassette-chromosome-mec
#9
Rana El-Baz, Dina E Rizk, Rasha Barwa, Ramadan Hassan
INTRODUCTION: Methicillin resistant Staphylococcus aureus (MRSA) is a versatile pathogen capable of causing multitude of human diseases. It is one of the most important nosocomial pathogen that implicated in community and healthcare associated infections. Therefore, this study aims to characterize different SCCmec elements found in MRSA isolates. Moreover, molecular typing was performed to investigate the genetic relatedness among MRSA isolates. METHODS: Phenotypic identification of MRSA was done by disc diffusion method...
November 15, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/29154953/correlation-between-cefepime-utilization-and-pseudomonas-aeruginosa-resistance-rate-to-beta-lactams-and-carbapenems-in-patients-with-healthcare-associated-infections
#10
Zorana M Djordjevic, Marko M Folic, Slobodan M Jankovic
OBJECTIVES: There is direct link between overutilization or abuse of antibiotics and P.aeruginosa resistance rate, but other factors could influence the resistance rate, too. The study aim was to observe changes of P.aeruginosa resistance rate in patients with hospital acquired infections (HAIs) after a period of cefepime unavailability in an intensive care unit (ICU). METHODS: The study was designed as retrospective observational analysis of trends in utilization of antibiotics and density of resistance to antibiotics...
November 14, 2017: Journal of Global Antimicrobial Resistance
https://www.readbyqxmd.com/read/29154746/in-vitro-and-in-vivo-activity-of-fosfomycin-alone-and-in-combination-with-rifampin-and-tigecycline-against-gram-positive-cocci-isolated-from-surgical-wound-infections
#11
Oriana Simonetti, Gianluca Morroni, Roberto Ghiselli, Fiorenza Orlando, Andrea Brenciani, Ledia Xhuvelaj, Mauro Provinciali, Annamaria Offidani, Mario Guerrieri, Andrea Giacometti, Oscar Cirioni
Complicated skin and soft tissue infections constitute a heterogeneous group of severe disorders, with surgical site infections being the most common hospital-acquired ones. The aim of our study was to investigate the synergistic and bactericidal activities of antimicrobial combinations of fosfomycin with rifampicin and tigecycline against Enterococcus faecalis, Enterococcus faecium and methicillin-resistant Staphylococcus aureus (MRSA) clinical isolates, and also to evaluate their in vivo effects in a mouse wound infection model...
November 20, 2017: Journal of Medical Microbiology
https://www.readbyqxmd.com/read/29153553/effectiveness-of-an-early-switch-from-intravenous-to-oral-antimicrobial-therapy-for-lower-respiratory-tract-infection-in-patients-with-severe-motor-intellectual-disabilities
#12
Masaru Kawamura, Takayuki Hoshina, Masato Ogawa, Takato Nakamoto, Koichi Kusuhara
An early switch from intravenous to oral antimicrobial therapy is useful for reducing the duration of the hospitalization in adult patients with community acquired-pneumonia, whereas the efficacy of switch therapy for pediatric patients with community acquired (CA)-lower respiratory tract infection (LRTI) is uncertain. The aim of this study is to investigate the efficacy of switch therapy for LRTI in patients with severe motor intellectual disabilities (SMID). This retrospective study was performed on 92 patients with SMID who were admitted to the Department of Pediatrics at the Hospital of University of Occupational and Environmental Health, Japan from April 1, 2010 to March 31, 2017 for the suspicion of bacterial LRTI and were initially treated with an intravenous antimicrobial agent...
November 16, 2017: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/29153066/-age-related-prevalence-of-toxoplasmosis-among-pregnant-women-in-hatay-estimation-depending-on-model
#13
Meryem Çetin, Şirin Çetin
Toxoplasmosis, caused by the obligate intracellular protozoan Toxoplasma gondii, is a common parasitic infection affecting approximately one-third of the world population. T.gondii infections are usually acquired by ingesting raw or insufficiently cooked meat and from unwashed fruits and vegetables contaminated with soil or water with cat feces. Primary infection acquired during pregnancy can cause severe congenital abnormalities in the fetus such as neurologic and ocular malformations, abortion, or stillbirth according to the degree of infection...
October 2017: Mikrobiyoloji Bülteni
https://www.readbyqxmd.com/read/29151897/community-acquired-infection-with-hypervirulent-clostridium-difficile-isolates-that-carry-different-toxin-and-antibiotic-resistance-loci-a-case-report
#14
Marina Muñoz, Milena Camargo, Dora Inés Ríos-Chaparro, Paula Gómez, Manuel Alfonso Patarroyo, Juan David Ramírez
Background: Clostridium difficile infection (CDI) leads to the onset of antibiotic-associated diarrhea (AAD) and a wide range of gastrointestinal pathologies. Currently, CDI is one of the most important opportunistic infections at the intrahospital level and an exponential increase in community-acquired infections has been reported. Herein, we evaluated the relationships (at phylogenetic and genetic population structure levels), as well as the molecular toxigenic and antibiotic resistance profiles of a set of isolates established from a case of community acquired-CDI...
2017: Gut Pathogens
https://www.readbyqxmd.com/read/29151309/evaluation-of-the-general-characteristics-of-patients-aged-85-years-and-above-admitted-to-a-university-hospital-emergency-department
#15
Ahmet Demircan, Ş. Gülbin Aygencel Bıkmaz, Gültekin Kadı, Ayfer Keleş, Fikret Bildik, Begüm Öktem, Onur Çakmak
Background/aim: The number of elderly people (≥65 years old) is increasing both in Turkey and internationally due to improved living conditions and decreased mortality rates. Knowing the characteristics of elderly patients admitted to emergency departments can provide guidance for diagnosis and treatment approaches. In this study, we analyzed the characteristics of very old patients (4≥85 years old) admitted to the emergency department and put together data for use in forward planning in healthcare services...
November 13, 2017: Turkish Journal of Medical Sciences
https://www.readbyqxmd.com/read/29149964/chikungunya-infection-in-solid-organ-transplant-recipients
#16
E S Girão, B G Rodrigues Dos Santos, E S do Amaral, P E G Costa, K B Pereira, A H de Araujo Filho, E B Hyppolito, M U Mota, L C B F Marques, C M Costa de Oliveira, S L da Silva, J H P Garcia, P F C B C Fernandes
BACKGROUND: Chikungunya virus (CHIKV) is an emerging mosquito-borne disease that causes acute febrile polyarthralgia and arthritis. CHIKV has spread rapidly to the Americas and, in Brazil, autochthonous cases are increasingly been reported. Solid organ transplant (SOT) recipients who travel to or live in CHIKV endemic areas are under high risk of acquiring the disease. Few data exist regarding the clinical characteristics of CHIKV infections in this population. We report the first case series of CHIKV infection in SOT recipients...
November 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/29149337/mechanisms-leading-to-in-vivo-ceftolozane-tazobactam-resistance-development-during-the-treatment-of-infections-caused-by-mdr-pseudomonas-aeruginosa
#17
Pablo A Fraile-Ribot, Gabriel Cabot, Xavier Mulet, Leonor Periañez, M Luisa Martín-Pena, Carlos Juan, José L Pérez, Antonio Oliver
Objectives: Characterization of the mechanisms driving ceftolozane/tazobactam resistance development in 5 of 47 (10.6%) patients treated for MDR Pseudomonas aeruginosa infections in a Spanish hospital. Methods: Five pairs of ceftolozane/tazobactam-susceptible/resistant P. aeruginosa isolates were studied. MICs were determined by broth microdilution, clonal relatedness was assessed by MLST and resistance mechanisms were investigated by phenotypic and genotypic methods, including WGS...
November 14, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/29148077/drug-related-deaths-in-hospital-inpatients-a-retrospective-cohort-study
#18
E Montané, A L Arellano, Y Sanz, J Roca, M Farré
OBJECTIVES: To determine the incidence of drug-related deaths (DRD) in a university hospital in 2015, to describe their characteristics, and to discover risk factors of DRD. METHODS: An analytic and retrospective cohort study. Patients with a death diagnose predefined from a list of medical conditions potentially caused by drugs were the selected cases for further review. Causality assessment was evaluated by a local drug safety committee. RESULTS: Out of 1,135 inpatients deaths, 73 DRD were included (6 were hospital-acquired)...
November 17, 2017: British Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/29138583/efficacy-of-intravenous-tigecycline-in-patients-with-acinetobacter-complex-infections-results-from-14-phase-iii-and-phase-iv-clinical-trials
#19
Hal Tucker, Michele Wible, Ashesh Gandhi, Alvaro Quintana
Background: Acinetobacter infections, especially multidrug-resistant (MDR) Acinetobacter infections, are a global health problem. This study aimed to describe clinical outcomes in patients with confirmed Acinetobacter spp. isolates who were treated with tigecycline in randomized clinical trials. Materials and methods: Data from 14 multinational, randomized (open-label or double-blind), and active-controlled (except one) Phase III and IV studies were analyzed using descriptive statistics...
2017: Infection and Drug Resistance
https://www.readbyqxmd.com/read/29137647/new-eight-genes-identified-at-the-clinical-multidrug-resistant-acinetobacter-baumannii-dms06669-strain-in-a-vietnam-hospital
#20
Nguyen Si-Tuan, Hua My Ngoc, Pham Thi Thu Hang, Cuong Nguyen, Pham Hung Van, Nguyen Thuy Huong
BACKGROUND: Acinetobacter baumannii is an important nosocomial pathogen that can develop multidrug resistance. In this study, we characterized the genome of the A. baumannii strain DMS06669 (isolated from the sputum of a male patient with hospital-acquired pneumonia) and focused on identification of genes relevant to antibiotic resistance. METHODS: Whole genome analysis of A. baumannii DMS06669 from hospital-acquired pneumonia patients included de novo assembly; gene prediction; functional annotation to public databases; phylogenetics tree construction and antibiotics genes identification...
November 14, 2017: Annals of Clinical Microbiology and Antimicrobials
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