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https://www.readbyqxmd.com/read/28526271/an-in-vitro-urinary-catheterization-model-that-approximates-clinical-conditions-for-evaluation-of-innovations-to-prevent-catheter-associated-urinary-tract-infections
#1
R Y R Chua, K Lim, S S J Leong, P A Tambyah, B Ho
BACKGROUND: Catheter associated urinary tract infections (CAUTI) account for about 25% of nosocomial infections globally and often result in increased morbidity and healthcare costs. An added concern is the presence of microbial biofilms which are major reservoirs of bacteria, especially antibiotic resistant bacteria, in catheters. Since the practice of the closed drainage system, innovations to combat CAUTI have not produced significant improvements in clinical outcomes. The lack of a robust laboratory platform to test new CAUTI preventive strategies may impede development of novel technologies...
May 16, 2017: Journal of Hospital Infection
https://www.readbyqxmd.com/read/28525923/a-national-implementation-project-to-prevent-catheter-associated-urinary-tract-infection-in-nursing-home-residents
#2
Lona Mody, M Todd Greene, Jennifer Meddings, Sarah L Krein, Sara E McNamara, Barbara W Trautner, David Ratz, Nimalie D Stone, Lillian Min, Steven J Schweon, Andrew J Rolle, Russell N Olmsted, Dale R Burwen, James Battles, Barbara Edson, Sanjay Saint
Importance: Catheter-associated urinary tract infection (UTI) in nursing home residents is a common cause of sepsis, hospital admission, and antimicrobial use leading to colonization with multidrug-resistant organisms. Objective: To develop, implement, and evaluate an intervention to reduce catheter-associated UTI. Design, Setting, and Participants: A large-scale prospective implementation project was conducted in community-based nursing homes participating in the Agency for Healthcare Research and Quality Safety Program for Long-Term Care...
May 19, 2017: JAMA Internal Medicine
https://www.readbyqxmd.com/read/28524640/segmental-colonic-dilation-is-associated-with-premature-termination-of-high-amplitude-propagating-contractions-in-children-with-intractable-functional-constipation
#3
I J N Koppen, B P Thompson, E J Ambeba, V A Lane, D G Bates, P C Minneci, K J Deans, M A Levitt, R J Wood, M A Benninga, C Di Lorenzo, D Yacob
BACKGROUND: Colonic dilation is common in children with intractable functional constipation (FC). Our aim was to describe the association between segmental colonic dilation and colonic dysmotility in children with FC. METHODS: We performed a retrospective study on 30 children with intractable FC (according to the Rome III criteria) who had undergone colonic manometry and contrast enema within a 12-month time period. Colonic diameter was measured at 5 cm intervals from the anal verge up to the splenic flexure...
May 19, 2017: Neurogastroenterology and Motility: the Official Journal of the European Gastrointestinal Motility Society
https://www.readbyqxmd.com/read/28522655/choice-of-hemodialysis-access-in-older-adults-a-cost-effectiveness-analysis
#4
Rasheeda K Hall, Evan R Myers, Sylvia E Rosas, Ann M O'Hare, Cathleen S Colón-Emeric
BACKGROUND AND OBJECTIVES: Although arteriovenous fistulas have been found to be the most cost-effective form of hemodialysis access, the relative benefits of placing an arteriovenous fistula versus an arteriovenous graft seem to be least certain for older adults and when placed preemptively. However, older adults' life expectancy is heterogeneous, and most patients do not undergo permanent access creation until after dialysis initiation. We evaluated cost-effectiveness of arteriovenous fistula placement after dialysis initiation in older adults as a function of age and life expectancy...
May 18, 2017: Clinical Journal of the American Society of Nephrology: CJASN
https://www.readbyqxmd.com/read/28516821/pseudomonas-aeruginosa-outbreak-in-a-neonatal-intensive-care-unit-attributed-to-hospital-tap-water
#5
Cara Bicking Kinsey, Samir Koirala, Benjamin Solomon, Jon Rosenberg, Byron F Robinson, Antonio Neri, Alison Laufer Halpin, Matthew J Arduino, Heather Moulton-Meissner, Judith Noble-Wang, Nora Chea, Carolyn V Gould
OBJECTIVE To investigate an outbreak of Pseudomonas aeruginosa infections and colonization in a neonatal intensive care unit. DESIGN Infection control assessment, environmental evaluation, and case-control study. SETTING Newly built community-based hospital, 28-bed neonatal intensive care unit. PATIENTS Neonatal intensive care unit patients receiving care between June 1, 2013, and September 30, 2014. METHODS Case finding was performed through microbiology record review. Infection control observations, interviews, and environmental assessment were performed...
May 18, 2017: Infection Control and Hospital Epidemiology
https://www.readbyqxmd.com/read/28509142/erosion-of-a-tenckhoff-catheter-to-the-sigmoid-colon-an-uncommon-delayed-complication
#6
Jorge Quinto Ruiz, Carlos Eduardo Durón Gutiérrez, Antonio Hiram Romero Moreno, Stephanie González Rosas, Alfonsina Daniela Castañeda Gutiérrez
Continuous ambulatory peritoneal dialysis is one of the most commonly used therapies for patients with impaired renal function. Most frequent complications directly related to the catheter usually present within the first weeks, and range from catheter dysfunction to dialysis-associated peritonitis; bowel perforation while placing the catheter is uncommon, and it is usually assessed in the same surgical event. There are, however, delayed complications, and one of the least frequently described is erosion of the catheter into the bowel...
April 26, 2017: CEN Case Reports
https://www.readbyqxmd.com/read/28504817/biofilm-formation-in-catheter-related-infections-by-panton-valentine-leukocidin-producing-staphylococcus-aureus
#7
Giorgio Silva-Santana, Kátia C Lenzi-Almeida, Vânia G S Lopes, Fábio Aguiar-Alves
The use of invasive techniques, such as intravascular catheter insertion, and the formation of biofilms in several devices by methicillin-resistant Staphylococcus aureus (MRSA) have contributed to the increased number of septic patients, morbidity and mortality. This study aimed to evaluate the virulence of strains through catheter colonization and identification of microbial biofilm, as well as pathological changes on the colonized skin. An experimental biofilm formation model utilized catheter fragments implanted subcutaneously in 25 Swiss mice...
December 2016: International Microbiology: the Official Journal of the Spanish Society for Microbiology
https://www.readbyqxmd.com/read/28485045/performance-and-safety-of-femoral-central-venous-catheters-in-pediatric-autologous-peripheral-blood-stem-cell-collection
#8
Laura Cooling, Sandra Hoffmann, Dawn Webb, Chisa Yamada, Robertson Davenport, Sung Won Choi
INTRODUCTION: Autologous peripheral blood hematopoietic progenitor cell collection (A-HPCC) in children typically requires placement of a central venous catheter (CVC) for venous access. There is scant published data regarding the performance and safety of femoral CVCs in pediatric A-HPCC. METHODS: Seven-year, retrospective study of A-HPCC in pediatric patients collected between 2009 and January 2017. Inclusion criteria were an age ≥ 21 years and A-HPCC using a femoral CVC for venous access...
May 9, 2017: Journal of Clinical Apheresis
https://www.readbyqxmd.com/read/28475779/comparative-efficacy-of-antimicrobial-central-venous-catheters-in-reducing-catheter-related-bloodstream-infections-in-adults-abridged-cochrane-systematic-review-and-network-meta-analysis
#9
Huey Yi Chong, Nai Ming Lai, Anucha Apisarnthanarak, Nathorn Chaiyakunapruk
Background: The efficacy of antimicrobial central venous catheters (CVCs) remains questionable. In this network meta-analysis, we aimed to assess the comparative efficacy of antimicrobial CVC impregnations in reducing catheter-related infections in adults. Methods: We searched 4 electronic databases (Medline, the Cochrane Central Register of Controlled Trials, Embase, CINAHL) and internet sources for randomized controlled trials, ongoing clinical trials, and unpublished studies up to August 2016...
May 15, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28444866/new-insights-into-neurogenic-cyclic-motor-activity-in-the-isolated-guinea-pig-colon
#10
M Costa, L Wiklendt, L Keightley, S J H Brookes, P G Dinning, N J Spencer
BACKGROUND: The contents of the guinea pig distal colon consist of multiple pellets that move anally in a coordinated manner. This row of pellets results in continued distention of the colon. In this study, we have investigated quantitatively the features of the neurally dependent colonic motor patterns that are evoked by constant distension of the full length of guinea-pig colon. METHODS: Constant distension was applied to the excised guinea-pig by high-resolution manometry catheters or by a series of hooks...
April 26, 2017: Neurogastroenterology and Motility: the Official Journal of the European Gastrointestinal Motility Society
https://www.readbyqxmd.com/read/28442306/evaluation-of-a-real-time-pcr-assay-for-rectal-screening-of-oxa-48-producing-enterobacteriaceae-in-a-general-intensive-care-unit-of-an-endemic-hospital
#11
J Fernández, S A Cunningham, A Fernández-Verdugo, L Viña-Soria, L Martín, M R Rodicio, D Escudero, F Vazquez, J N Mandrekar, R Patel
Carbapenemase-producing Enterobacteriaceae are increasing worldwide. Rectal screening for these bacteria can inform the management of infected and colonized patients, especially those admitted to intensive care units (ICUs). A laboratory developed, qualitative duplex real-time polymerase chain reaction assay for rapid detection of OXA-48-like and VIM producing Enterobacteriaceae, performed on rectal swabs, was designed and evaluated in an intensive care unit with endemic presence of OXA-48. During analytical assay validation, no cross-reactivity was observed and 100% sensitivity and specificity were obtained for both blaOXA-48-like and blaVIM in all spiked clinical samples...
April 6, 2017: Diagnostic Microbiology and Infectious Disease
https://www.readbyqxmd.com/read/28419527/the-rectosigmoid-brake-review-of-an-emerging-neuromodulation-target-for-colorectal-functional-disorders
#12
Anthony Y Lin, Phil G Dinning, Tony Milne, Ian P Bissett, Gregory O'Grady
The regulation of gastrointestinal motility encompasses several overlapping mechanisms including highly regulated and coordinated neurohormonal circuits. Various feedback mechanisms or 'brakes' have been proposed. While duodenal, jejunal, and ileal brakes are well described, a putative distal colonic brake is less well defined. Despite the high prevalence of colonic motility disorders, there is little knowledge of colonic motility owing to difficulties with organ access and technical difficulties in recording detailed motor patterns along its entire length...
April 16, 2017: Clinical and Experimental Pharmacology & Physiology
https://www.readbyqxmd.com/read/28418807/coagulase-negative-staphylococci-in-human-milk-from-mothers-of-preterm-compared-with-term-neonates
#13
Hiie Soeorg, Tuuli Metsvaht, Imbi Eelmäe, Hanna Kadri Metsvaht, Sirli Treumuth, Mirjam Merila, Mari-Liis Ilmoja, Irja Lutsar
BACKGROUND: Human milk is the preferred nutrition for neonates and a source of bacteria. Research aim: The authors aimed to characterize the molecular epidemiology and genetic content of staphylococci in the human milk of mothers of preterm and term neonates. METHODS: Staphylococci were isolated once per week in the 1st month postpartum from the human milk of mothers of 20 healthy term and 49 preterm neonates hospitalized in the neonatal intensive care unit. Multilocus variable-number tandem-repeats analysis and multilocus sequence typing were used...
May 2017: Journal of Human Lactation: Official Journal of International Lactation Consultant Association
https://www.readbyqxmd.com/read/28410367/nitric-oxide-charged-catheters-as-a-potential-strategy-for-prevention-of-hospital-acquired-infections
#14
David Margel, Mark Mizrahi, Gili Regev-Shoshani, Mary Ko, Maya Moshe, Rachel Ozalvo, Liat Shavit-Grievink, Jack Baniel, Daniel Kedar, Ofer Yossepowitch, David Lifshitz, Andrei Nadu, David Greenberg, Yossef Av-Gay
BACKGROUND: Catheter-Associated Hospital-Acquired Infections (HAI's) are caused by biofilm-forming bacteria. Using a novel approach, we generated anti-infective barrier on catheters by charging them with Nitric Oxide (NO), a naturally-produced gas molecule. NO is slowly released from the catheter upon contact with physiological fluids, and prevents bacterial colonization and biofilm formation onto catheter surfaces. AIMS AND METHODS: The aim of the study was to assess the anti-infective properties of NO-charged catheters exposed to low concentration (up to 103 CFU/ml) of microbial cells in-vitro...
2017: PloS One
https://www.readbyqxmd.com/read/28407430/chronic-urinary-tract-infections-in-patients-with-spinal-cord-lesions-biofilm-infection-with-need-for-long-term-antibiotic-treatment
#15
REVIEW
Nete Tofte, Alex C Y Nielsen, Hannah Trøstrup, Christine B Andersen, Michael Von Linstow, Birgitte Hansen, Fin Biering-Sørensen, Niels Høiby, Claus Moser
Patients suffering from spinal cord injuries resulting in complete or incomplete paraplegia or tetraplegia are highly disposed to frequent, recurrent or even chronic urinary tract infections (UTIs). The reason for the increased risk of acquiring UTIs is multifactorial, including reduced sensation of classical UTI symptoms, incomplete bladder emptying, frequent catheterizations or chronic urinary tract catheters. Biofilms in relation to UTIs have been shown both on catheters, on concrements or as intracellular bacterial communities (IBCs)...
April 2017: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/28407421/central-venous-catheters-and-biofilms-where-do-we-stand-in-2017
#16
REVIEW
Marie Gominet, Fabrice Compain, Christophe Beloin, David Lebeaux
The use of central venous catheters (CVC) is associated with a risk of microbial colonization and subsequent potentially severe infection. Microbial contamination of the catheter leads to the development of a microbial consortia associated with the CVC surface and embedded in an extracellular matrix, named biofilm. This biofilm provides bacterial cells the ability to survive antimicrobial agents and the host immune system and to disseminate to other sites of the body. The best preventive strategy is to avoid any unnecessary catheterization or to reduce indwelling duration when a CVC is required...
April 2017: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/28389093/risk-factors-for-kpc-producing-enterobacteriaceae-acquisition-and-infection-in-a-healthcare-setting-with-possible-local-transmission-a-case-control-study
#17
K M Cronin, Y S Poy Lorenzo, M E Olenski, A E Bloch, K Visvanathan, M J Waters, K L Buising
BACKGROUND: Reports of Klebsiella pneumoniae carbapenemase (KPC)-producing K. pneumoniae (KPC-Kp) in Australia were previously uncommon, with cases imported sporadically by travellers from higher prevalence countries. AIM: The study institution reported the first outbreak of KPC-Kp in Australia. The aim of this study was to identify risk factors for KPC-Kp colonization and infection using a matched case-control study. METHODS: The study included all hospitalized patients with KPC-Kp colonization or infection from January 2012 to September 2015...
February 16, 2017: Journal of Hospital Infection
https://www.readbyqxmd.com/read/28383394/methicillin-resistant-staphylococcus-aureus-as-a-uropathogen-in-an-irish-setting
#18
Aisling T Looney, Elaine J Redmond, Naomi M Davey, Padraig J Daly, Carole Troy, Brian F Carey, Ivor M Cullen
Urinary tract infections are one of the most common infectious diseases diagnosed in the community and in the hospital setting. Their treatment is complicated by drug-resistant pathogens and the colonization by microbes of indwelling urinary catheters. This study assessed the occurrence and antimicrobial susceptibility of methicillin-resistant Staphylococcus aureus (MRSA) uropathogens isolated for 5 consecutive years at University Hospital Waterford between 2010 and 2014. We created 4 clinically relevant subdivisions, based on urine source: hospital inpatients, patients from the Emergency Department, patients referred from their General Practitioner, and Nursing Home patients...
April 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28373147/vancomycin-treatment-is-a-risk-factor-for-vancomycin-nonsusceptible-staphylococcus-capitis-sepsis-in-preterm-neonates
#19
Marine Butin, Jean-Philippe Rasigade, Fabien Subtil, Patricia Martins-Simões, Charlotte Pralong, Anne-Marie Freydière, François Vandenesch, Sylvestre Tigaud, Jean-Charles Picaud, Frédéric Laurent
OBJECTIVE: Multiresistant, vancomycin-nonsusceptible Staphylococcus capitis is an emerging cause worldwide of late-onset sepsis (LOS) in preterm neonates. The pathophysiology and risk factors for S. capitis-related LOS are poorly understood but we hypothesized that S. capitis LOS follows translocation from the gut microbiota rather than catheter invasion. The objective of this study was to investigate the risk factors of S. capitis LOS and gut colonization. METHODS: We conducted a prospective monocentric cohort study of patients hospitalized in a tertiary care unit (Lyon, France) from June 2011 to January 2012...
March 31, 2017: Clinical Microbiology and Infection
https://www.readbyqxmd.com/read/28356113/killing-of-serratia-marcescens-biofilms-with-chloramphenicol
#20
Christopher Ray, Anukul T Shenoy, Carlos J Orihuela, Norberto González-Juarbe
Serratia marcescens is a Gram-negative bacterium with proven resistance to multiple antibiotics and causative of catheter-associated infections. Bacterial colonization of catheters mainly involves the formation of biofilm. The objectives of this study were to explore the susceptibility of S. marcescens biofilms to high doses of common antibiotics and non-antimicrobial agents. Biofilms formed by a clinical isolate of S. marcescens were treated with ceftriaxone, kanamycin, gentamicin, and chloramphenicol at doses corresponding to 10, 100 and 1000 times their planktonic minimum inhibitory concentration...
March 29, 2017: Annals of Clinical Microbiology and Antimicrobials
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