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https://www.readbyqxmd.com/read/28100714/the-dynamics-of-the-pulmonary-microbiome-during-mechanical-ventilation-in-the-intensive-care-unit-and-the-association-with-occurrence-of-pneumonia
#1
Tetyana Zakharkina, Ignacio Martin-Loeches, Sébastien Matamoros, Pedro Povoa, Antoni Torres, Janine B Kastelijn, Jorrit J Hofstra, B de Wever, Menno de Jong, Marcus J Schultz, Peter J Sterk, Antonio Artigas, Lieuwe D J Bos
RATIONALE: Ventilator-associated pneumonia (VAP) is the most common nosocomial infections in patients admitted to the ICU. The adapted island model predicts several changes in the respiratory microbiome during intubation and mechanical ventilation. OBJECTIVES: We hypothesised that mechanical ventilation and antibiotic administration decrease the diversity of the respiratory microbiome and that these changes are more profound in patients who develop VAP. METHODS: Intubated and mechanically ventilated ICU-patients were included...
January 18, 2017: Thorax
https://www.readbyqxmd.com/read/28100300/molecular-analysis-and-species-diversity-of-nocardia-in-hospital-environment-of-a-developing-country-a-potential-health-hazard
#2
Hossein Ali Rahdar, Davood Azadi, Hasan Shojaei, Abbas Daei Naser
BACKGROUND: Despite hundreds of reports on the isolation of Nocardia from clinical samples, the presence and diversity of Nocardia species capable of survival in a harsh and adverse condition such as hospital environment have not been comprehensively studied. The aim of this study was to assess the Nocardia species diversity in the hospital environment to provide a better insight on their potential threat as a reservoir for the development of nosocomial infections. MATERIALS AND METHODS: A total of 90 hospital water, dust and soil samples collected from 30 hospitals were analyzed for the presence of Nocardia using standard protocols for isolation and characterization of the isolates...
January 17, 2017: Journal of Medical Microbiology
https://www.readbyqxmd.com/read/28100194/interspecies-transfer-of-vancomycin-erythromycin-and-tetracycline-resistance-among-enterococcus-species-recovered-from-agrarian-sources
#3
M Conwell, V Daniels, P J Naughton, J S G Dooley
BACKGROUND: Enterococci are now well recognised for their ability to transfer antibiotic resistance and for their association with nosocomial infections, but less is known regarding their relevance in the wider environment. Enterococcus faecalis and Enterococcus faecium were isolated from a range of agrarian associated sources (low-flow water, septic tank, poultry litter, high flow water, slurry/soil) and were assessed for latent ability to transfer antimicrobial resistance. RESULTS: The isolates were tested for phenotypic clumping in the presence of cell-free supernatant from other isolates...
January 18, 2017: BMC Microbiology
https://www.readbyqxmd.com/read/28099450/advanced-neonatal-medicine-in-china-a-national-baseline-database
#4
Xiang-Peng Liao, Selma Chipenda-Dansokho, Antoine Lewin, Nadia Abdelouahab, Shu-Qin Wei
Previous surveys of neonatal medicine in China have not collected comprehensive information on workforce, investment, health care practice, and disease expenditure. The goal of the present study was to develop a national database of neonatal care units and compare present outcomes data in conjunction with health care practices and costs. We summarized the above components by extracting data from the databases of the national key clinical subspecialty proposals issued by national health authority in China, as well as publicly accessible databases...
2017: PloS One
https://www.readbyqxmd.com/read/28098548/nosocomial-infections-with-imp-19-producing-pseudomonas-aeruginosa-linked-to-contaminated-sinks-france
#5
Lucie Amoureux, Karena Riedweg, Angélique Chapuis, Julien Bador, Eliane Siebor, André Péchinot, Marie-Lorraine Chrétien, Claire de Curraize, Catherine Neuwirth
We isolated IMP-19-producing Pseudomonas aeruginosa from 7 patients with nosocomial infections linked to contaminated sinks in France. We showed that blaIMP-19 was located on various class 1 integrons among 8 species of gram-negative bacilli detected in sinks: P. aeruginosa, Achromobacter xylosoxidans, A. aegrifaciens, P. putida, Stenotrophomonas maltophilia, P. mendocina, Comamonas testosteroni, and Sphingomonas sp.
February 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28098529/multidrug-resistant-candida-haemulonii-and-c-auris-tel-aviv-israel
#6
Ronen Ben-Ami, Judith Berman, Ana Novikov, Edna Bash, Yael Shachor-Meyouhas, Shiri Zakin, Yasmin Maor, Jalal Tarabia, Vered Schechner, Amos Adler, Talya Finn
Candida auris and C. haemulonii are closely related, multidrug-resistant emerging fungal pathogens that are not readily distinguishable with phenotypic assays. We studied C. auris and C. haemulonii clinical isolates from 2 hospitals in central Israel. C. auris was isolated in 5 patients with nosocomial bloodstream infection, and C. haemulonii was found as a colonizer of leg wounds at a peripheral vascular disease clinic. Liberal use of topical miconazole and close contact among patients were implicated in C...
February 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28098111/incidence-of-hepatitis-c-virus-seroconversion-among-hemodialysis-patients-in-the-nile-delta-of-egypt-a-single-center-study
#7
Amany Talaat Kamal, Mohamed Nazmy Farres, Abeer Mohamed Eissa, Naglaa Ahmed Arafa, Raafat Saad Abdel-Reheem
Egypt has the highest worldwide prevalence of hepatitis C virus (HCV) infection, caused in part by nosocomial transmission. Patients on hemodialysis (HD) are at especially high risk of infection. We aimed to estimate the incidence of seroconversion among HCV-negative patients undergoing regular HD at a unit in a large public hospital in the Nile Delta of Egypt, which implements the Egyptian Ministry of Health guidelines for infection control, and an isolation policy for hepatitis-positive patients. We also assessed the adherence to infection control practices and evaluated nurses and physicians' knowledge and attitude toward infection control procedures...
January 2017: Saudi Journal of Kidney Diseases and Transplantation
https://www.readbyqxmd.com/read/28097843/colonization-and-infection-in-the-newborn-infant-does-chlorhexidine-play-a-role-in-infection-prevention
#8
Lizeth Ortegón, Marcela Puentes-Herrera, Ivohne F Corrales, Jorge A Cortés
Healthcare-associated infections are a major problem in newborn infants, considering their high morbidity, mortality, and long-term sequelae. In preterm infants, it has been shown that skin and gastrointestinal tract colonization undergoes variations compared to healthy term infants, and that preterm infants are more exposed to nosocomial microorganisms given their higher probability of being admitted to the neonatal intensive care unit where they are cared for. This document reviews normal colonization, the changes observed during hospitalization, prematurity, and the potential role of chlorhexidine in the prevention of resistant microorganism transmission, as well as its side effects in newborn infants admitted to the neonatal intensive care unit...
1, 2017: Archivos Argentinos de Pediatría
https://www.readbyqxmd.com/read/28096976/effect-of-handrubbing-using-locally-manufactured-alcohol-based-handrubs-in-paediatric-wards-in-harare-zimbabwe
#9
Muchaneta Gudza-Mugabe, Marcelyn T Magwenzi, Hilda A Mujuru, Mutsa Bwakura-Dangarembizi, Valerie Robertson, Alexander M Aiken
We assessed bacterial contamination of hands of adults present in paediatric wards in two tertiary-care hospitals in Harare, Zimbabwe and the microbiologic efficacy of locally-manufactured alcohol-based hand rub (ABHR). During unannounced visits, samples were collected using hand-print and hand-rinse methods. Samples were collected from 152 individuals (16 nurses, 10 doctors, 28 students, 86 parents/guardians, 12 others). Contamination of hands with Gram-negative bacteria was found in 91% of adults tested with a mean of 14...
2017: Antimicrobial Resistance and Infection Control
https://www.readbyqxmd.com/read/28096965/molecular-typing-of-nosocomial-staphylococcus-aureus-strains-associated-to-biofilm-based-on-the-coagulase-and-protein-a-gene-polymorphisms
#10
Ali Salehzadeh, Hojjatolah Zamani, Maedeh Keshtkar Langeroudi, Amir Mirzaie
OBJECTIVES: Staphylococcus aureus is an important bacterial pathogen responsible for a variety numbers of nosocomial and community acquired infections. Biofilm formation is regarded as an important factor in the establishment of S. aureus infection. The contribution of the genetic background of S. aureus to biofilm formation is poorly understood. The aim of the present work was to genotype S. aureus strains associated to biofilm based on the coagulase and protein A genes and to evaluate the association between the genetic background and the biofilm forming ability of clinical S...
December 2016: Iranian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/28096867/nasal-nosocomial-myiasis-infection-caused-by-chrysomya-bezziana-diptera-calliphoridae-following-the-septicemia-a-case-report
#11
Seyed Farzin Mircheraghi, Seyed Farzam Mircheraghi, Hamed Ramezani Awal Riabi, Arezoo Parsapour
A 74 yr old woman from Gonabad, southern part of Khorasan Razavi Province of Iran was admitted to a Hospital of Gonabad, because of respiratory distress, exertional dyspnea and fever. Close contact with domestic animals, history of chronic obstructive pulmonary disease (COPD), and completely resolved pulmonary tuberculosis (TB) in remote past, were notable parts of her past medical history. Due to clinical, paraclinical and radiographic findings and because of recent hospitalization, she was admitted to internal medicine ward with the diagnosis of health care associated pneumonia (HCAP)...
April 2016: Iranian Journal of Parasitology
https://www.readbyqxmd.com/read/28096455/multicenter-prospective-study-on-device-associated-infection-rates-and-bacterial-resistance-in-intensive-care-units-of-venezuela-international-nosocomial-infection-control-consortium-inicc-findings
#12
Gabriel D Empaire, Maria E Guzman Siritt, Victor D Rosenthal, Fernando Pérez, Yvis Ruiz, Claudia Díaz, Gabriela Di Silvestre, Evelyn Salinas, Nelva Orozco
BACKGROUND: Device-associated healthcare-acquired infections (DA-HAI) pose a threat to patient safety in the intensive care unit (ICU). METHODS: A DA-HAI surveillance study was conducted by the International Nosocomial Infection Control Consortium (INICC) in two adult medical/surgical ICUs at two hospitals in Caracas, Venezuela, in different periods from March 2008 to April 2015, using the US Centers for Disease Control and Prevention's National Healthcare Safety Network (CDC/NHSN) definitions and criteria, and INICC methods...
January 2017: International Health
https://www.readbyqxmd.com/read/28095918/anti-staphylococcal-activity-resulting-from-epithelial-lining-fluid-elf-concentrations-of-amikacin-inhale-administered-via-the-pulmonary-drug-delivery-system
#13
Islam M Ghazi, Mordechai Grupper, David P Nicolau
BACKGROUND: Amikacin inhale (BAY41-6551), a unique drug-device combination of a specially formulated drug solution and a pulmonary drug delivery system device (AMK-I) is currently under phase III study as an adjunctive therapy to IV antibiotics for the treatment of Gram-negative pneumonia in mechanically ventilated patients. While the epidemiology of nosocomial pneumonia is predominated by Gram-negative pathogens such as Pseudomonas aeruginosa and the Enterobacteriaceae, Staphylococcus aureus is increasingly recognized as a pathogen of concern for these pulmonary based infections...
January 17, 2017: Annals of Clinical Microbiology and Antimicrobials
https://www.readbyqxmd.com/read/28093994/viral-infection-and-obesity-current-status-and-future-prospective
#14
Sayed Sartaj Sohrab, Mohammad Amjad Kamal, Richard L Atkinson, Maha M Alawi, Esam I Azhar
The association of pathogenic viruses with obesity has now been well-known in both human and animals. Globally, human obesity has become a serious problem leading to the emergence of multiple life-threatening diseases. Adenoviruses contribute a significant role in the induction of obesity by affecting various pathways. Due to impaired immunity, obese individuals are more prone to nosocomial infections leading to complications of obesity. In contrast, several other important factors contributing to human obesity are known...
January 16, 2017: Current Drug Metabolism
https://www.readbyqxmd.com/read/28093275/reverse-transcription-loop-mediated-isothermal-amplification-for-rapid-detection-of-respiratory-syncytial-virus-directly-from-nasopharyngeal-swabs
#15
Johannes Hoos, Rebecca Marie Peters, Julia Tabatabai, Jürgen Grulich-Henn, Paul Schnitzler, Johannes Pfeil
Respiratory syncytial virus (RSV) is a common cause of lower respiratory tract infection in young infants and a major cause of nosocomial infection in pediatric care. Currently available RSV point-of-care tests are of limited sensitivity and relatively expensive. We developed and evaluated a novel RSV rapid test for use at point-of-care, based on reverse-transcription loop-mediated isothermal amplification (RT-LAMP) for direct testing of nasopharyngeal swab specimens. RT-LAMP can detect RSV within 30min, without the need for RNA extraction...
January 13, 2017: Journal of Virological Methods
https://www.readbyqxmd.com/read/28093229/antimicrobial-activity-and-mechanism-of-pdc213-an-endogenous-peptide-from-human-milk
#16
Yazhou Sun, Yahui Zhou, Xiao Liu, Fan Zhang, Linping Yan, Ling Chen, Xing Wang, Hongjie Ruan, Chenbo Ji, Xianwei Cui, Jiaqin Wang
Human milk has always been considered an ideal source of elemental nutrients to both preterm and full term infants in order to optimally develop the infant's tissues and organs. Recently, hundreds of endogenous milk peptides were identified in human milk. These peptides exhibited angiotensin-converting enzyme inhibition, immunomodulation, or antimicrobial activity. Here, we report the antimicrobial activity and mechanism of a novel type of human antimicrobial peptide (AMP), termed PDC213 (peptide derived from β-Casein 213-226 aa)...
January 13, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28090472/prevalence-and-risk-factors-for-the-weight-loss-during-hospitalization-in-children-a-single-korean-children-s-hospital-experience
#17
Eun Ha Hwang, Jae Hong Park, Peter Chun, Yeoun Joo Lee
PURPOSE: Undernutrition during hospitalization increases the risk of nosocomial infection and lengthens the disease courses. The aim of this study was to evaluate the risk factors of weight loss during hospitalization in children. METHODS: All the patients who were admitted in general wards between April and May 2014 were enrolled. Patients aged >18 years and discharged within 2 days were excluded. Weight loss during hospitalization was defined as a decrease in body weight of >2% in 8 hospital days or on the day of discharge...
December 2016: Pediatric Gastroenterology, Hepatology & Nutrition
https://www.readbyqxmd.com/read/28090041/clinical-characteristics-of-stenotrophomonas-maltophilia-bacteremia-a-regional-report-and-a-review-of-a-japanese-case-series
#18
Hirotaka Ebara, Hideharu Hagiya, Yuto Haruki, Eisei Kondo, Fumio Otsuka
Objective Stenotrophomonas maltophilia is an emerging nosocomial pathogen that causes fatal infections in critically ill or immunocompromised patients. S. maltophilia bacteremia (SMB) is a rare condition, and its clinical characteristics in Japanese settings are not well known. Methods The medical charts of patients with SMB were retrospectively reviewed at two medical facilities (Okayama University Hospital and Tsuyama Chuo Hospital) for seven years. The data were analyzed along with those previously reported from other Japanese facilities...
2017: Internal Medicine
https://www.readbyqxmd.com/read/28090038/combination-therapy-with-ombitasvir-paritaprevir-ritonavir-for-dialysis-patients-infected-with-hepatitis-c-virus-a-prospective-multi-institutional-study
#19
Ken Sato, Kenichi Hosonuma, Yuichi Yamazaki, Takeshi Kobayashi, Satoshi Takakusagi, Norio Horiguchi, Satoru Kakizaki, Motoyasu Kusano, Hiroshi Ohnishi, Hiroaki Okamoto, Masanobu Yamada
Hepatitis C virus (HCV) infection is common in dialysis patients worldwide and nosocomial HCV spread within dialysis facilities continues to develop. Combination therapy with daclatasvir and asunaprevir (DCV/ASV) that has proven efficacy for dialysis patients infected with genotype 1b HCV (HCV/1b) has several concerns in Japan. The recently available combination therapy with ombitasvir, paritaprevir, and ritonavir (OBV/PTV/r) is not contraindicated in patients with chronic renal failure and has more safety profile and shorter treatment period than that with DCV/ASV...
2017: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28089674/assessment-of-ventilator-associated-events-using-the-geometric-distribution
#20
Ragheb Assaly, William R Barnett, Fadi Safi, Sadik Khuder, John Macko
Hospital-acquired rare events, such as nosocomial infections and other low-occurring incidents, in the clinical environment are difficult to monitor using traditional quality indicators. Using the Centers for Disease Control and Prevention definition of ventilator-associated events, we demonstrate an alternative method for assessment of rare events.
January 13, 2017: American Journal of Infection Control
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