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Colonization catheters

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https://www.readbyqxmd.com/read/28745020/distinct-roles-of-the-7-transmembrane-receptor-protein-rta3-in-regulating-the-asymmetric-distribution-of-phosphatidylcholine-across-the-plasma-membrane-and-biofilm-formation-in-candida-albicans
#1
Archita Srivastava, Shabnam Sircaik, Farha Husain, Edwina Thomas, Shivani Ror, Sumit Rastogi, Darakshan Alim, Priyanka Bapat, David R Andes, Clarissa J Nobile, Sneh L Panwar
Fungal pathogens like Candida albicans exhibit several survival mechanisms to evade attack by antifungals and colonize host tissues. Rta3, a member of the Rta1-like family of lipid-translocating exporters has a 7-transmembrane domain (7TMD) topology, similar to the G-protein-coupled receptors (GPCR) and is unique to the fungal kingdom. Our findings point towards a role for the plasma membrane localized Rta3 in providing tolerance to miltefosine, an analog of alkylphosphocholine, by maintaining mitochondrial energetics...
July 25, 2017: Cellular Microbiology
https://www.readbyqxmd.com/read/28743533/should-non-bacteremic-patients-with-a-colonized-catheter-receive-antimicrobial-therapy
#2
V De Egea, M Guembe, A Rodríguez-Borlado, M J Pérez-Granda, C Sánchez-Carrillo, E Bouza
OBJECTIVES: The impact of antimicrobial therapy on the outcome of patients with colonized catheters and no bacteraemia has not been assessed. We assessed whether targeted antibiotic therapy was related for having poor outcome (PO) in patients with positive cultures of blood drawn through a non-tunneled central venous catheter (CVC) and without concomitant bacteraemia. METHODS: We performed a retrospective study in which we selected adult patients with positive blood cultures drawn through a CVC and negative peripheral vein blood cultures...
July 22, 2017: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/28743387/polymerase-chain-reaction-based-detection-of-bacterial-16s-rrna-gene-in-the-cerebrospinal-fluid-in-the-diagnosis-of-bacterial-central-nervous-system-infection-in-the-course-of-external-cerebrospinal-fluid-drainage-comparison-with-standard-diagnostics-currently
#3
Piotr Dąbrowski, Jerzy Jurkiewicz, Zbigniew Czernicki, Waldemar Koszewski, Piotr Jasielski
BACKGROUND AND PURPOSE: External drainage of cerebrospinal fluid (CSF) is a commonly used neurosurgical procedure. Complications of the procedure comprise central nervous system (CNS) bacterial infections, the frequency of which is estimated at around 6-10%. Detection of these infections is ineffective in many cases. The aim of the study was to evaluate the usefulness of a polymerase chain reaction (PCR)-based detection of bacterial 16S rRNA gene (16S rDNA) in the CSF. MATERIAL AND METHODS: The study group consisted of 50 patients...
July 15, 2017: Neurologia i Neurochirurgia Polska
https://www.readbyqxmd.com/read/28733213/risk-factors-for-the-infection-and-or-colonization-of-extended-spectrum-beta-lactamase-producing-bacteria-in-a-neonatal-intensive-care-unit-a-meta-analysis
#4
REVIEW
Xuan Li, Xuan Xu, Xianxian Yang, Mei Luo, Pin Liu, Kewen Su, Ying Qing, Shuai Chen, Jingfu Qiu, Yingli Li
BACKGROUND: Extended-spectrum beta-lactamase (ESBL)-producing bacteria are the important causes of healthcare associated infection in the neonatal intensive care unit (NICU). This study performed a meta-analysis to identify the risk factors associated with infection and/or colonization of ESBL-producing bacteria in the NICU. METHODS: Relevant studies in the literature published from January 1, 2000 to July 1, 2016 were searched in the electronic databases. The literature was screened and data were extracted according to the inclusion and exclusion criteria...
July 18, 2017: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/28717737/rivaroxaban-an-affordable-and-effective-alternative-in-cancer-related-thrombosis
#5
Flávia Dias Xavier, Paulo Marcelo Gehm Hoff, Maria Ignez Braghiroli, Ana Carolina Carvalho Rocha Paterlini, Karla Teixeira Souza, Luiza Dib Batista Bugiato Faria, Fernando Sergio Blumm Ferreira, Karime Kalil Machado, Gustavo Dos Santos Fernandes
BACKGROUND: Venous thromboembolic events (VTEs) are common and potentially fatal complications in cancer patients, and they are responsible for the second most common cause of death. Low molecular weight heparin (LMWH) is the gold-standard treatment, but the costs involved limit its use, especially in developing countries. Recently, the oral anticoagulant rivaroxaban, which directly inhibits factor Xa, was approved for VTE treatment. METHODS: We conducted a retrospective analysis from January 2009 to February 2014 with patients who had cancer and VTE who were receiving rivaroxaban...
February 2017: Journal of Global Oncology
https://www.readbyqxmd.com/read/28704823/different-behavior-and-response-of-staphylococcus-epidermidis-and-streptococcus-pneumoniae-to-a-ventriculoperitoneal-shunt-an-in-vitro-study
#6
Vahid Heidari, Zohreh Habibi, Ahmadreza Hojjati Marvasti, Zahra Ebrahim Soltani, Negin Naderian, Parvin Tanzifi, Farideh Nejat
BACKGROUND: Pneumococcal shunt infection is a rare event. There is no consensus on the therapeutic management of this kind of shunt infection according to literature reviews, and it seems to be different from infection with Staphylococcus epidermidis. We studied 2 shunted patients with pneumococcal meningitis, both of whom were treated with only antibiotics. The management of these cases seems to be different from that of shunt catheter infection due to these bacteria. We conducted a laboratory study to show the different behavior of pneumococcus compared to S...
July 14, 2017: Pediatric Neurosurgery
https://www.readbyqxmd.com/read/28693658/patient-hand-colonization-with-mdros-is-associated-with-environmental-contamination-in-post-acute-care
#7
Payal K Patel, Julia Mantey, Lona Mody
We assessed multidrug-resistant organism (MDRO) patient hand colonization in relation to the environment in post-acute care to determine risk factors for MDRO hand colonization. Patient hand colonization was significantly associated with environmental contamination. Risk factors for hand colonization included disability, urinary catheter, recent antibiotic use, and prolonged hospital stay. Infect Control Hosp Epidemiol 2017:1-4.
July 11, 2017: Infection Control and Hospital Epidemiology
https://www.readbyqxmd.com/read/28689873/chitosans-inhibit-the-growth-and-the-adhesion-of-klebsiella-pneumonia-and-escherichia-coli-clinical-isolates-on-urinary-catheters
#8
Raffaella Campana, Luca Casettari, Eleonora Ciandrini, Lisbeth Illum, Wally Baffone
OBJECTIVE: The aim of this study was to determine the antimicrobial activity of different chitosans (CS) against typical colonizing pathogens of the urinary tract and to assess their efficacy against bacterial adhesion and the subsequent biofilm formation on urinary catheters. METHODS: The antimicrobial activity of high and low molecular weight CS (50 and 150 kDa) at pH 5.0 and 6.0 was tested against Klebsiella pneumoniae and Escherichia coli clinical isolates by time-killing studies...
July 6, 2017: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/28688514/pain-control-with-continuous-infusion-preperitoneal-wound-catheters-versus-continuous-epidural-analgesia-in-colon-and-rectal-surgery-a-randomized-controlled-trial
#9
Nicolas J Mouawad, Stefan W Leichtle, Christodoulos Kaoutzanis, Kathleen Welch, Suzanne Winter, Richard Lampman, Matt McCord, Kimberly A Hoskins, Robert K Cleary
OBJECTIVE: To compare continuous infusion preperitoneal wound catheters (CPA) versus continuous epidural analgesia (CEA) after elective colorectal surgery. METHODS: An open-label equivalence trial randomizing patients to CPA or CEA. Primary outcomes were postoperative pain as determined by numeric pain scores and supplemental narcotic analgesia requirements. Secondary outcomes included incidence of complications and patient health status measured with the SF-36 Health Survey (Acute Form)...
July 1, 2017: American Journal of Surgery
https://www.readbyqxmd.com/read/28675244/a-catheter-related-bloodstream-infection-caused-by-chryseobacterium-indologenes-successfully-treated-with-antibiotic-lock-rescue-therapy
#10
Marta Corbella, Micaela Brandolini, Patrizia Cambieri, Nunzia Decembrino, Michele Pagani, Andrea Bottazzi, Alba Muzzi, Marco Zecca, Bianca Mariani, Piero Marone
We report the case of a catheter-related bloodstream infection caused by Chryseobacterium indologenes, an uncommon and multi-resistant pathogen, in a pediatric patient with a long-term vascular access device placed for chemotherapy treatment. The infection was successfully treated with ciprofloxacin antibiotic-lock therapy. This is the first report on successful salvage of a long-term device colonized by multi-resistant Chryseobacterium indologenes.
July 4, 2017: New Microbiologica
https://www.readbyqxmd.com/read/28664661/randomized-controlled-trial-comparing-submucosal-endoscopy-with-mucosal-resection-semr-and-endoscopic-submucosal-dissection-esd-in-the-esophagus-and-stomach-an-animal-study
#11
Kohei Takizawa, Mary A Knipschield, Christopher J Gostout
OBJECTIVES: In Western countries ESD (Endoscopic Submucosal Dissection) has not prevailed due to training issues and a target patient population. We reported a hybrid ESD technique, SEMR (submucosal endoscopy with mucosal resection), in which the submucosal dissection is performed chiefly by blunt balloon dissection. We have reported successful application in the porcine colon. In this study we compared the safety and efficacy between SEMR with ESD in the porcine esophagus and stomach...
June 30, 2017: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://www.readbyqxmd.com/read/28638222/corticotropin-releasing-factor-stimulates-colonic-motility-via-muscarinic-receptors-in-the-rat
#12
Kyung-Jo Kim, Ki Bae Kim, Soon Man Yoon, Joung-Ho Han, Hee Bok Chae, Seon Mee Park, Sei Jin Youn
AIM: To measure exogenous corticotropin-releasing factor (CRF)-induced motility of the isolated rat colon and to demonstrate the effect of pharmacologic inhibition on CRF-induced motility. METHODS: The isolated vascularly-perfused rat colon was used. Luminal pressure was monitored via microtip catheter pressure transducers in the proximal and distal colon. At first, exogenous CRF was administered in a stepwise manner and the concentration of CRF yielding maximal colonic motility was selected...
June 7, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28614382/genome-wide-transposon-mutagenesis-of-proteus-mirabilis-essential-genes-fitness-factors-for-catheter-associated-urinary-tract-infection-and-the-impact-of-polymicrobial-infection-on-fitness-requirements
#13
Chelsie E Armbruster, Valerie Forsyth-DeOrnellas, Alexandra O Johnson, Sara N Smith, Lili Zhao, Weisheng Wu, Harry L T Mobley
The Gram-negative bacterium Proteus mirabilis is a leading cause of catheter-associated urinary tract infections (CAUTIs), which are often polymicrobial. Numerous prior studies have uncovered virulence factors for P. mirabilis pathogenicity in a murine model of ascending UTI, but little is known concerning pathogenesis during CAUTI or polymicrobial infection. In this study, we utilized five pools of 10,000 transposon mutants each and transposon insertion-site sequencing (Tn-Seq) to identify the full arsenal of P...
June 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28574141/totally-implantable-venous-access-devices-in-children-with-medical-complexity-preliminary-data-from-a-tertiary-care-hospital
#14
Caterina Geremia, Maria Antonietta De Ioris, Alessandro Crocoli, Ottavio Adorisio, Raffaella Scrocca, Mary Haywood Lombardi, Susanna Staccioli, Pietro Stella, Paola Amendola, Gaetano Ciliento, Francesco De Peppo, Andrea Campana
INTRODUCTION: Children with special health-care needs are an emerging and consistent population. In a subset of children with medical complexity (CMC) a continuous access to the central vascular system is advisable to eliminate unnecessary pain and stress and to improve home management and palliative care. METHODS: The surgical registry of a tertiary hospital was checked in order to identify CMC who underwent totally implantable venous access device (VAD) placement...
May 24, 2017: Journal of Vascular Access
https://www.readbyqxmd.com/read/28569502/prevention-of-bacterial-colonization-on-catheters-by-a-one-step-coating-process-involving-an-antibiofouling-polymer-in-water
#15
Hyeongseop Keum, Jin Yong Kim, Byeongjun Yu, Seung Jung Yu, Jinjoo Kim, Hyungsu Jeon, Dong Yun Lee, Sung Gap Im, Sangyong Jon
As reports of multidrug resistant pathogens have increased, patients with implanted medical catheters increasingly need alternative solutions to antibiotic treatments. As most catheter-related infections are directly associated with biofilm formation on the catheter surface, which, once formed, is difficult to eliminate, a promising approach to biofilm prevention involves inhibiting the initial adhesion of bacteria to the surface. In this study, we report an amphiphilic, antifouling polymer, poly(DMA-mPEGMA-AA) that can facilely coat the surfaces of commercially available catheter materials in water and prevent bacterial adhesion to and subsequent colonization of the surface, giving rise to an antibiofilm surface...
June 14, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28552330/a-review-in-emergency-central-venous-catheterization
#16
REVIEW
Osaree Akaraborworn
Central venous catheterization is widely used in the emergency setting. This review aims to assess central venous catheterization from the perspectives of types of catheters, sites of insertion, and techniques. In emergency conditions, non-tunneled catheters are preferred because the technique for its insertion is not complicated and less time-consuming. The size of catheter depends on the purpose of catheterization. For example, a large bore catheter is needed for rapid infusion. The ideal catheterization site should bear fewer thromboses, lower infectious rate, and fewer mechanical complications...
June 2017: Chinese Journal of Traumatology, Zhonghua Chuang Shang za Zhi
https://www.readbyqxmd.com/read/28547632/compliance-with-urinary-catheter-removal-guidelines-leads-to-improved-outcome-in-enhanced-recovery-after-surgery-patients
#17
Allan Okrainec, Mary-Anne Aarts, Lesley Gotlib Conn, Stuart McCluskey, Marg McKenzie, Emily A Pearsall, Ori Rotstein, J Charles Victor, Robin S McLeod
OBJECTIVE: The objective of the study was to determine whether compliance with Enhanced Recovery after Surgery (ERAS) urinary catheter recommendations is associated with decreased urinary tract infections (UTI) and length of stay (LOS). METHODS: Patients having colorectal surgery at 15 academic hospitals were included. Patient and outcome data were collected prospectively. The guideline recommends that urinary catheters following colonic and rectal procedures should be removed at or before 24 and 72 h, respectively...
August 2017: Journal of Gastrointestinal Surgery: Official Journal of the Society for Surgery of the Alimentary Tract
https://www.readbyqxmd.com/read/28542162/carbapenem-resistant-klebsiella-pneumoniae-in-barbados-driving-change-in-practice-at-the-national-level
#18
Corey Forde, Bryan Stierman, Pilar Ramon-Pardo, Thais Dos Santos, Nalini Singh
INTRODUCTION: Carbapenem-resistant Klebsiella pneumoniae (CRKP) is of growing concern globally. The risk for transmission of antimicrobial resistant organisms across several continents to the Caribbean is a real one given its tourism industry. After a cluster of cases of CRKP were detected, several studies detailed in this report were initiated to better characterize the problem. METHODS: A hospital-wide point prevalence study and active surveillance were performed at Queen Elizabeth Hospital (QEH) in Barbados in 2013 to assess the prevalence of CRKP infection/colonization...
2017: PloS One
https://www.readbyqxmd.com/read/28535686/development-and-characterization-of-a-stable-adhesive-bond-between-a-poly-dimethylsiloxane-catheter-material-and-a-bacterial-biofilm-resistant-acrylate-polymer-coating
#19
Bonnie J Tyler, Andrew Hook, Andreas Pelster, Paul Williams, Morgan Alexander, Heinrich F Arlinghaus
Catheter associated urinary tract infections are the most common health related infections worldwide, contributing significantly to patient morbidity and mortality and increased health care costs. To reduce the incidence of these infections, new materials that resist bacterial biofilm formation are needed. A composite catheter material, consisting of bulk poly(dimethylsiloxane) (PDMS) coated with a novel bacterial biofilm resistant polyacrylate [ethylene glycol dicyclopentenyl ether acrylate (EGDPEA)-co-di(ethyleneglycol) methyl ether methacrylate (DEGMA)], has been proposed...
May 23, 2017: Biointerphases
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
#20
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
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