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Nosocomial infections

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https://www.readbyqxmd.com/read/28640107/a-nomogram-prediction-of-postoperative-surgical-site-infections-in-patients-with-perihilar-cholangiocarcinoma
#1
Long Li, Jie Ding, Jun Han, Hong Wu
Surgical site infection (SSI) is one of the major morbidities after radical resection for perihilar cholangiocarcinoma (PHCC). This study aimed to clarify the risk factors and construct a nomogram to predict SSIs in patients with PHCC.A total of 335 consecutive patients who underwent hepatectomy combined with hepaticojejunostomy between January 2013 and December 2015 were analyzed retrospectively. SSIs, including incisional (superficial and deep) and space/organ infection, were defined according to the Centers for Disease Control and Prevention (CDC)'s National Nosocomial Infection Surveillance (NNIS) system...
June 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28639145/in-vitro-and-in-vivo-activity-of-theaflavin-epicatechin-combinations-versus-multidrug-resistant-acinetobacter-baumannii
#2
Jonathan W Betts, Michael Hornsey, David W Wareham, Roberto M La Ragione
INTRODUCTION: Acinetobacter baumannii is an important human nosocomial pathogen; most clinical isolates are multidrug-resistant (MDR). Infections caused by A. baumannii often lead to high morbidity and mortality, with limited treatment options. Owing to the small number of anti-Gram-negative antibiotics in the development pipeline, researchers are looking to other natural compounds. The aim of this study was to determine the in vitro kill kinetics, in vivo efficacy and toxicity of theaflavin-epicatechin combinations against MDR A...
June 21, 2017: Infectious Diseases and Therapy
https://www.readbyqxmd.com/read/28639065/nosocomial-rhinocerebral-mucormycosis-two-cases-with-a-temporal-relationship
#3
Justo Sánchez-Gil, Emilio Guirao-Arrabal, Ginés David Parra-García, María Del Pilar Luzón-García, Maria Fe Bautista-Marín, Matías Barayobre-Barayobre, Andrés Fontalba-Navas
Mucormycosis is an unusual fungal infection that usually affects immunosuppressed patients. Small outbreaks of mucormycosis have been previously reported. We present two clinical cases of fatal rhinocerebral mucormycosis with a close temporal relationship between them and a possible nosocomial transmission: case 1 was a 75-year-old male with diabetes and COPD, treated with antibiotics and systemic corticosteroids, who developed rhinocerebral mucormycosis. Case 2 was an 88-year-old woman who was treated with systemic antibiotics and corticosteroids and developed the same infection after insertion of a nasogastric tube...
June 21, 2017: Mycopathologia
https://www.readbyqxmd.com/read/28638371/the-anticancer-peptide-tat-rasgap317-326-exerts-broad-antimicrobial-activity
#4
Mathieu Heulot, Nicolas Jacquier, Sébastien Aeby, Didier Le Roy, Thierry Roger, Evgeniya Trofimenko, David Barras, Gilbert Greub, Christian Widmann
Antibiotic resistance has become a major health issue. Nosocomial infections and the prevalence of resistant pathogenic bacterial strains are rising steadily. Therefore, there is an urgent need to develop new classes of antibiotics effective on multi-resistant nosocomial pathogenic bacteria. We have previously shown that a cell-permeable peptide derived from the p120 Ras GTPase-activating protein (RasGAP), called TAT-RasGAP317-326, induces cancer cell death, inhibits metastatic progression, and sensitizes tumor cells to various anti-cancer treatments in vitro and in vivo...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28637123/inhibition-of-swarming-motility-of-pseudomonas-aeruginosa-by-methanol-extracts-of-alpinia-officinarum-hance-and-cinnamomum-tamala-t-nees-and-eberm
#5
Divya Lakshmanan, Jishudas Nanda, K Jeevaratnam
Bacterial drug resistance is a challenge in clinical settings, especially in countries like India. Hence, discovery of novel alternative therapeutics has become a necessity in the fight against drug resistance. Compounds that inhibit bacterial virulence properties form new therapeutic alternatives. Pseudomonas aeruginosa is an opportunistic, nosocomial pathogen that infects immune-compromised patients. Swarming motility is an important virulence property of Pseudomonas which aids it in reaching host cells under nutrient limiting conditions...
June 15, 2017: Natural Product Research
https://www.readbyqxmd.com/read/28636484/bezlotoxumab-anti-toxin-b-monoclonal-antibody-to-prevent-recurrence-of-clostridium-difficile-infection
#6
Javier A Villafuerte Gálvez, Ciarán P Kelly
Clostridium difficile infection (CDI) is the most common nosocomial infection in the U.S. 25% of CDI patients go on to develop recurrent CDI (rCDI) following current standard of care (SOC) therapy, leading to morbidity, mortality and economic loss. The first passive immunotherapy drug targeting C.difficile toxin B (bezlotoxumab) has been approved recently by the FDA and EMA for prevention of rCDI. Areas covered: A body of key studies was selected and reviewed by the authors. The unmet needs in CDI care were ascertained with emphasis in rCDI, including the epidemiology, pathophysiology and current management...
June 21, 2017: Expert Review of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28634536/telavancin-a-novel-semisynthetic-lipoglycopeptide-agent-to-counter-the-challenge-of-resistant-gram-positive-pathogens
#7
REVIEW
Biswadeep Das, Chayna Sarkar, Debasmita Das, Amit Gupta, Arnav Kalra, Shubham Sahni
Telavancin (TD-6424), a semisynthetic lipoglycopeptide vancomycin-derivative, is a novel antimicrobial agent developed by Theravance for overcoming resistant Gram-positive bacterial infections, specifically methicillin-resistant Staphylococcus aureus (MRSA). The US Food and Drug Administration (USFDA) had approved telavancin in 2009 for the treatment of complicated skin and skin structure infections (cSSSIs) caused by Gram-positive bacteria, including MRSA (S. aureus, Streptococcus agalactiae, Streptococcus pyogenes, Streptococcus anginosus group, or Enterococcus faecalis)...
March 2017: Therapeutic Advances in Infectious Disease
https://www.readbyqxmd.com/read/28633679/multistate-modeling-to-analyze-nosocomial-infection-data-an-introduction-and-demonstration
#8
Martin Wolkewitz, Maja von Cube, Martin Schumacher
OBJECTIVE Multistate and competing risks models have become an established and adequate tool with which to quantify determinants and consequences of nosocomial infections. In this tutorial article, we explain and demonstrate the basics of these models to a broader audience of professionals in health care, infection control, and hospital epidemiology. METHODS Using a publicly available data set from a cohort study of intensive care unit patients, we show how hospital infection data can be displayed and explored graphically and how simple formulas are derived under some simplified assumptions for illustrating the basic ideas behind multistate models...
June 21, 2017: Infection Control and Hospital Epidemiology
https://www.readbyqxmd.com/read/28631639/prevalence-of-clostridium-difficile-infection-among-the-patients-attending-a-tertiary-care-teaching-hospital
#9
Lavanya Segar, Joshy M Easow, Sreenivasan Srirangaraj, Mohammad Hanifah, Noyal M Joseph, K S Seetha
BACKGROUND: Clostridium difficile, a most important nosocomial enteric pathogen, is recognized globally as responsible for antibiotic-associated diarrhea and colitis. It is associated with considerable morbidity and mortality due to widespread use of antibiotics. AIMS: The study was done to determine the prevalence of C. difficile infection (CDI) among the patients attending a tertiary care teaching hospital in Puducherry. SETTINGS AND DESIGN: We performed a prospective cohort study in Mahatma Gandhi Medical College and Research Institute...
April 2017: Indian Journal of Pathology & Microbiology
https://www.readbyqxmd.com/read/28630186/loss-of-c-5-sterol-desaturase-activity-results-in-increased-resistance-to-azole-and-echinocandin-antifungals-in-a-clinical-isolate-of-candida-parapsilosis
#10
Jeffrey M Rybak, C Michael Dickens, Josie E Parker, Kelly Caudle, Kayihura Manigaba, Sarah G Whaley, Andrew Nishimoto, Arturo Luna-Tapia, Sujoy Roy, Qing Zhang, Katherine S Barker, Glen E Palmer, Thomas R Sutter, Ramin Homayouni, Nathan P Wiederhold, Steven L Kelly, P David Rogers
Among emerging non-albicans Candida species, C. parapsilosis is of particular concern as a cause of nosocomial bloodstream infections in neonatal and intensive care unit patients. While fluconazole and echinocandins are considered effective treatment of such infections, recent reports of fluconazole and echinocandin resistance in C. parapsilosis indicate a growing problem. The present study describes a novel mechanism of antifungal resistance in this organism affecting the susceptibility of azole and echinocandin antifungals in a clinical isolate obtained from a patient with prosthetic valve endocarditis...
June 19, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28629721/a-16-year-retrospective-surveillance-report-on-the-pathogenic-features-and-antimicrobial-susceptibility-of-pseudomonas-aeruginosa-isolates-from-fahju-in-guangzhou-representative-of-southern-china
#11
Jinhong Xie, Ling Yang, Brian M Peters, Lequn Chen, Dingqiang Chen, Bing Li, Lin Li, Guangchao Yu, Zhenbo Xu, Mark E Shirtliff
Pseudomonas aeruginosa is a major pathogen responsible for nosocomial infections. A 16-year retrospective report from 2000 to 2015 was conducted to assess the antimicrobial resistance of P. aeruginosa in Southern China. A total of 1387 P. aeruginosa were collected from inpatients and outpatients. Susceptibility testing results were interpreted according to the Clinical and Laboratory Standards Institute (CLSI, 2015). Piperacillin, piperacillin-tazobactam, ceftazidime, aminoglycosides and carbapenems remained to be active against P...
June 16, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28625824/polymorphism-study-of-cryptosporidium-hominis-gp60-subtypes-circulating-in-northern-tunisia
#12
Rym Essid, Hanen Chelbi, Siala Emna, Ines Bensghair, Jean Menotti, Aïda Bouratbine
Cryptosporidium spp. are a major cause of gastrointestinal diseases in humans worldwide. While a single subtype of Cryptosporidium hominis has been shown to be responsible for several large outbreaks related to water contamination in developed countries, little is known about the epidemiology of C. hominis in developing countries. This study reports the first genetic characterization of C. hominis at the subtype level in several human populations in an urban region of Tunisia using the gp60 gene. Among 511 stool samples that were collected from different human populations, Cryptosporidium 18S rRNA gene PCR was positive for 39 samples (7...
June 15, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28625600/where-to-do-water-testing-for-pseudomonas-aeruginosa-in-a-healthcare-setting
#13
Mark I Garvey, Craig W Bradley, Elisabeth Holden, Mike Weibren
Pseudomonas aeruginosa is an important nosocomial pathogen commonly colonising hospital water supplies. HTM 04-01 addresses the risk posed by recommending water testing in augmented care areas which includes outpatient haemodialysis. We discuss how two teaching hospitals independently reviewed the risk to outpatient haemodialysis patients drawing the same conclusion. The highest number of infection episodes with P. aeruginosa was seen in critical care followed by burns and haematology with the lowest in haemodialysis...
June 15, 2017: Journal of Hospital Infection
https://www.readbyqxmd.com/read/28625267/-application-of-quality-control-chart-in-quality-control-for-nosocomial-infection-in-intensive-care-unit
#14
Yumei Cheng, Yuanyi Liu, Difen Wang
OBJECTIVE: To explore the application value of control chart in the management of nosocomial infection in intensive care unit (ICU) by using quality control chart to monitor the infections in ICU. METHODS: From October 2011 to June 2016, ventilator-associated pneumonia (VAP), central line-associated bloodstream infection (CLABSI) and catheter-associated urinary tract infection (CAUTI), namely the three catheters, occurred in ICU of the Affiliated Hospital of Guizhou Medical University were monitored and recorded monthly, then the data was imput into the Excel, and the data was analyzed using SPSS...
February 2017: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/28623574/the-bactericidal-effect-of-simultaneous-titanium-oxide-on-common-hospital-bacteria
#15
Ziaeddin Bonyadi, Maisam Mirzaee, Mohammad Mehdi Ejtehadi, Mehdi Mokhtari
Bacteria prevalence has increased in health centers and hospitals. Infection control can decrease the number of bacteria. Bacteria cause 90% of nosocomial infections and fungi, viruses, or protozoa are less involved. Bacteria control can decrease the number of diseases. The Simultaneous titanium oxide (SMTiO) is a new method of disinfection. This process degrades bacteria by producing hydroxyl radical. The present study was conducted with the aim of analyzing the bactericidal effect of simultaneous titanium oxide on common hospital bacteria...
July 2017: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/28622982/comparison-of-the-vitek-2-antifungal-susceptibility-system-with-etest-using-clinical-isolates-of-candida-species
#16
Wadha Alfouzan, Tahani Al-Enezi, Ebteehal AlRoomi, Vayalil Sandhya, Rachel Chandy, Zia Uddin Khan
BACKGROUND: Candida species are part of the normal human microbiota. However, in recent years, nosocomial bloodstream Candida infections have emerged as a significant problem ranking the fourth common cause of fungemia in intensive care units. Although microdilution methods are the ones recommended for susceptibility testing, they are difficult to undertake in the clinical practice. Thus, an automated commercially available test is ideal. AIMS: To compare minimum inhibitory concentrations (MICs) obtained with the recently introduced Vitek 2 yeast susceptibility system card (AST-YS01) with Etest...
June 13, 2017: Revista Iberoamericana de Micología
https://www.readbyqxmd.com/read/28622979/whole-genome-sequencing-for-identification-of-the-source-in-hospital-acquired-legionnaires-disease
#17
A M Rosendahl Madsen, A Holm, T G Jensen, E Knudsen, H Lundgaard, M N Skov, S A Uldum, M Kemp
Acquisition of Legionnaires' disease is a serious complication of hospitalization. Rapid determination of whether or not the infection is caused by strains of Legionella pneumophila in the hospital environment is crucial to avoid further cases. This study investigated the use of whole-genome sequencing to identify the source of infection in hospital-acquired Legionnaires' disease. Phylogenetic analyses showed close relatedness between one patient isolate and a strain found in hospital water, confirming suspicion of nosocomial infection...
April 27, 2017: Journal of Hospital Infection
https://www.readbyqxmd.com/read/28619812/draft-genome-sequences-of-six-enterococcus-faecalis-strains-isolated-from-malaysian-clinical-and-environmental-origins
#18
Diane Sunira Daniel, Han Ming Gan, Sui Mae Lee, Gary A Dykes, Sadequr Rahman
Enterococcus faecalis is known to cause a variety of nosocomial infections, including urinary tract infections. Antibiotic resistance and virulence properties in this species are of public concern. The draft genome sequences of six E. faecalis strains isolated from clinical and environmental sources in Malaysia are presented here.
June 15, 2017: Genome Announcements
https://www.readbyqxmd.com/read/28619474/high-metabolic-versatility-of-different-toxigenic-and-non-toxigenic-clostridioides-difficile-isolates
#19
Thomas Riedel, Daniela Wetzel, Julia Danielle Hofmann, Simon Paul Erich Otto Plorin, Henning Dannheim, Mareike Berges, Ortrud Zimmermann, Boyke Bunk, Isabel Schober, Cathrin Spröer, Heiko Liesegang, Dieter Jahn, Jörg Overmann, Uwe Groß, Meina Neumann-Schaal
Clostridioides difficile (formerly Clostridium difficile) is a major nosocomial pathogen with an increasing number of community-acquired infections causing symptoms from mild diarrhea to life-threatening colitis. The pathogenicity of C. difficile is considered to be mainly associated with the production of genome-encoded toxins A and B. In addition, some strains also encode and express the binary toxin CDT. However; a large number of non-toxigenic C. difficile strains have been isolated from the human gut and the environment...
June 1, 2017: International Journal of Medical Microbiology: IJMM
https://www.readbyqxmd.com/read/28619123/chd-and-respiratory-syncytial-virus-global-expert-exchange-recommendations
#20
Robert M R Tulloh, Constancio Medrano-Lopez, Paul A Checchia, Claudia Stapper, Naokata Sumitomo, Matthias Gorenflo, Eun Jung Bae, Antonio Juanico, Juan M Gil-Jaurena, Mei-Hwan Wu, Talal Farha, Ali Dodge-Khatami, Rocky Tsang, Gerard Notario, Colleen Wegzyn
BACKGROUND: Palivizumab is the standard immunoprophylaxis against serious disease due to respiratory syncytial virus infection. Current evidence-based prophylaxis guidelines may not address certain children with CHD within specific high-risk groups or clinical/management settings. METHODS: An international steering committee of clinicians with expertise in paediatric heart disease identified key questions concerning palivizumab administration; in collaboration with an additional international expert faculty, evidence-based recommendations were formulated using a quasi-Delphi consensus methodology...
June 16, 2017: Cardiology in the Young
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