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Vascular catheters colonization

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https://www.readbyqxmd.com/read/29597215/evolution-of-vascular-access-and-anticoagulation
#1
Patrick M Honore, Herbert D Spapen
Continuous renal replacement therapy (CRRT) is an important and widely used adjuvant treatment in critically ill patients. However, any CRRT protocol can be adhered to only when the technique is correctly installed and functioning properly. Within this context, an appropriate vascular access and a safe and effective circuit anticoagulation method are key requisites. The right internal jugular (RIJ) vein is the preferred route for insertion with the tip of the catheter placed in the right atrium. Both femoral veins offer a valuable alternative access, but catheters must be longer to avoid recirculation and circuit blood flow is lower as compared with that of the RIJ approach...
2018: Contributions to Nephrology
https://www.readbyqxmd.com/read/29489705/antimicrobial-efficacy-of-a-new-chlorhexidine-based-device-against-staphylococcus-aureus-colonization-of-venous-catheters
#2
Paulina M Kowalewska, Shawn M Petrik, Attilio E Di Fiore, Alison E Fox-Robichaud
Vascular catheters are a major cause of nosocomial bloodstream infections. ChloraLock (ATTWILL Medical Solutions, Inc, West Jordan, UT, and ICU Medical, Inc, San Clemente, CA) is a novel antimicrobial device containing chlorhexidine digluconate (CHG) that is fitted onto a syringe and infuses CHG into the catheter lumen during locking. The objective of this study was to evaluate the antimicrobial efficacy of ChloraLock with in vitro tests and its ability to reduce Staphylococcus aureus contamination of catheters in the external jugular veins of Yorkshire swine...
March 2018: Journal of Infusion Nursing: the Official Publication of the Infusion Nurses Society
https://www.readbyqxmd.com/read/29419563/a-nonsurgical-approach-to-mesenteric-vascular-disease
#3
Hossein Tabriziani, Armaghan Ahmad, Roberto Bergamaschi, William H Frishman
Mesenteric ischemia is a rare disorder, with considerably high morbidity and mortality rates. It can manifest in several ways, including acute mesenteric ischemia, chronic mesenteric ischemia, nonocclusive mesenteric ischemia, mesenteric venous thrombosis, and colonic ischemia. Of these, acute mesenteric ischemia is the most severe form of intestinal ischemia, with a high mortality rate. The mainstay of therapy for mesenteric ischemia is surgical exploration and resection of infarcted bowel; however, medical therapy can play an important adjunctive role...
March 2018: Cardiology in Review
https://www.readbyqxmd.com/read/29354899/-accurate-low-ligation-of-inferior-mesenteric-artery-and-root-lymph-node-dissection-according-to-different-vascular-typing-in-laparoscopic-radical-resection-of-rectal-cancer
#4
Jiaming Zhou, Shuyun Zhang, Jun Huang, Pinzhu Huang, Shaoyong Peng, Jinxin Lin, Tuoyang Li, Jianping Wang, Meijin Huang
OBJECTIVE: To explore the feasibility and clinical significance of precision low inferior mesenteric artery (IMA) ligation with the left colonic artery (LCA) preservation and root lymph node dissection in laparoscopic radical resection for rectal cancer, according to the inferior mesenteric artery (IMA) types. METHODS: One Hundred and fore cases of rectal cancer patients who underwent laparoscopic resection in The Sixth Affiliated Hospital of Sun Yat-sen University from October 2015 to June 2016 were selected and divided into study group and control group according to different surgical methods...
January 25, 2018: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/29135409/double-inlay-plus-ventral-onlay-buccal-mucosa-graft-for-simultaneous-penile-and-bulbar-urethral-stricture
#5
Luciano A Favorito, Paulo P Conte, Ulisses G Sobrinho, Rodrigo G Martins, Tomas Accioly
OBJECTIVES: Buccal mucosa grafts and fascio-cutaneous flaps are frequently used in long anterior urethral strictures (1). The inlay and onlay buccal mucosa grafts are easier to perform, do not need urethral mobilization and generally have good long-term results (2-4). In the present video, we present a case where we used a double buccal mucosa graft technique in a simultaneous penile and bulbar urethral stricture. MATERIALS AND METHODS: A 54 year-old male patient was submitted to appendectomy where a urethral catheter was used for two days in May 2015...
November 17, 2017: International Braz J Urol: Official Journal of the Brazilian Society of Urology
https://www.readbyqxmd.com/read/29115369/useful-independent-factors-for-distinguish-infection-and-colonization-in-patients-with-urinary-carbapenemase-producing-enterobacteriaceae-isolation
#6
L López-González, F J Candel, J M Viñuela-Prieto, J González-Del Castillo, A B García, I Pena, I Rodríguez-Avial
OBJECTIVE: The aim of this study is to know epidemiologic and clinical differences among those patients colonized or infected by carbapenemase-producing Enterobacteriaceae (CPE) and develop a predictive model to facilitate the clinical approach concerning to start antimicrobial therapy. METHODS: Observational retrospective cohort study was performed involving all patients with Urine carbapenemase-producing Enterobacteriaceae isolation (UCPEI) between November 2013 and July 2015...
December 2017: Revista Española de Quimioterapia: Publicación Oficial de la Sociedad Española de Quimioterapia
https://www.readbyqxmd.com/read/28873268/a-novel-in-vitro-model-for-haematogenous-spreading-of-s-aureus-device-biofilms-demonstrating-clumping-dispersal-as-an-advantageous-dissemination-mechanism
#7
R B Grønnemose, K L Saederup, H J Kolmos, S W K Hansen, C A Asferg, K J Rasmussen, Y Palarasah, T E Andersen
Staphylococcus aureus is able to disseminate from vascular device biofilms to the blood and organs, resulting in life-threatening infections such as endocarditis. The mechanisms behind spreading are largely unknown, especially how the bacterium escapes immune effectors and antibiotics in the process. Using an in vitro catheter infection model, we studied S. aureus biofilm growth, late-stage dispersal, and reattachment to downstream endothelial cell layers. The ability of the released biofilm material to resist host response and disseminate in vivo was furthermore studied in whole blood and phagocyte survival assays and in a short-term murine infection model...
December 2017: Cellular Microbiology
https://www.readbyqxmd.com/read/28675244/a-catheter-related-bloodstream-infection-caused-by-chryseobacterium-indologenes-successfully-treated-with-antibiotic-lock-rescue-therapy
#8
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 2017: New Microbiologica
https://www.readbyqxmd.com/read/28638222/corticotropin-releasing-factor-stimulates-colonic-motility-via-muscarinic-receptors-in-the-rat
#9
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/28574141/totally-implantable-venous-access-devices-in-children-with-medical-complexity-preliminary-data-from-a-tertiary-care-hospital
#10
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...
September 11, 2017: Journal of Vascular Access
https://www.readbyqxmd.com/read/28320713/-in-vitro-study-of-antimicrobial-percutaneous-nephrostomy-catheters-for-prevention-of-renal-infections
#11
Nylev Vargas-Cruz, Ruth A Reitzel, Joel Rosenblatt, Mohamed Jamal, Ariel D Szvalb, Anne-Marie Chaftari, Ray Hachem, Issam Raad
Percutaneous nephrostomy (PCN) catheters are the primary method for draining ureters obstructed by malignancy and preventing a decline of renal function. However, PCN catheter-related infections, such as pyelonephritis and urosepsis, remain a significant concern. Currently, no antimicrobial PCN catheters are available for preventing infection complications. Vascular catheters impregnated with minocycline-rifampin (M/R) and M/R with chlorhexidine coating (M/R plus CHD) have previously demonstrated antimicrobial activity...
June 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28110054/slicing-silicone-neonatal-vascular-catheter-tips-improves-colonization-detection-by-the-roll-plate-technique
#12
COMPARATIVE STUDY
M Guembe, P Martín-Rabadán, R Cruces, M J Pérez Granda, E Bouza
OBJECTIVE: Silicone neonatal peripherally inserted central catheters (SN-PICCs) are a common cause of catheter-related bloodstream infection (C-RBSI) in neonates. Our objective was to compare the yield of traditional roll-plate technique (TRP), roll-plate after slicing (RPS), and sonication after slicing (SS) for the detection of colonization and C-RBSI in SN-PICCs. METHODS: We prospectively cultured tips from SN-PICCs withdrawn from paediatric patients admitted to our institution with suspicion of infection...
June 2017: Clinical Microbiology and Infection
https://www.readbyqxmd.com/read/27663229/co-release-of-dicloxacillin-and-thioridazine-from-catheter-material-containing-an-interpenetrating-polymer-network-for-inhibiting-device-associated-staphylococcus-aureus-infection
#13
Michael Stenger, Kasper Klein, Rasmus B Grønnemose, Janne K Klitgaard, Hans J Kolmos, Jes S Lindholt, Martin Alm, Peter Thomsen, Thomas E Andersen
Approximately half of all nosocomial bloodstream infections are caused by bacterial colonization of vascular catheters. Attempts have been made to improve devices using anti-adhesive or antimicrobial coatings; however, it is often difficult to bind coatings stably to catheter materials, and the low amounts of drug in thin-film coatings limit effective long-term release. Interpenetrating polymer networks (IPNs) are polymer hybrid materials with unique drug release properties. While IPNs have been extensively investigated for use in tablet- or capsule-based drug delivery systems, the potential for use of IPNs in drug release medical devices remains largely unexplored...
November 10, 2016: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/27630843/microbiology-of-non-tunnelled-catheter-related-infections
#14
Shefali Gupta, Shrikara P Mallya, Ashok Bhat, Shrikala Baliga
INTRODUCTION: Aerobic bacterial infections often complicate vascular access in patients receiving haemodialysis, leading to Catheter-Related Blood Stream Infections (CRBSI). Various studies report Gram - positive bacteria, Staphylococcus aureus (S. aureus) in particular, as the most common aetiologic agent. Studies on microbiological analysis in this subset of population from India are very few. AIM: To examine clinical and bacteriological profiles of haemodialysis patients developing CRBSI, the antibiotic susceptibility of the bacteria isolated from these patients and determine nasal carriage of S...
July 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/27473868/guidewire-exchange-vs-new-site-placement-for-temporary-dialysis-catheter-insertion-in-icu-patients-is-there-a-greater-risk-of-colonization-or-dysfunction
#15
RANDOMIZED CONTROLLED TRIAL
Elisabeth Coupez, Jean-François Timsit, Stéphane Ruckly, Carole Schwebel, Didier Gruson, Emmanuel Canet, Kada Klouche, Laurent Argaud, Julien Bohe, Maïté Garrouste-Orgeas, Christophe Mariat, François Vincent, Sophie Cayot, Olivier Cointault, Alain Lepape, Michael Darmon, Alexandre Boyer, Elie Azoulay, Lila Bouadma, Alexandre Lautrette, Bertrand Souweine
BACKGROUND: Intensive care unit (ICU) patients require dialysis catheters (DCs) for renal replacement therapy (RRT). They carry a high risk of developing end-stage renal disease, and therefore their vascular access must be preserved. Guidewire exchange (GWE) is often used to avoid venipuncture insertion (VPI) at a new site. However, the impact of GWE on infection and dysfunction of DCs in the ICU is unknown. Our aim was to compare the effect of GWE and VPI on DC colonization and dysfunction in ICU patients...
July 30, 2016: Critical Care: the Official Journal of the Critical Care Forum
https://www.readbyqxmd.com/read/27358213/extranasal-staphylococcus-aureus-colonization-predisposes-to-bloodstream-infections-in-patients-on-hemodialysis-with-noncuffed-internal-jugular-vein%C3%A2-catheters
#16
Anand Devraj, Venkata Siva Tez Pinnamaneni, Manisha Biswal, Raja Ramachandran, Vivekanand Jha
INTRODUCTION:  Staphylococcal infection of endogenous origin is an important cause of morbidity and mortality in patients who receive hemodialysis (HD). The risk of such infections in nasal carriers of the organism is well defined. Extranasal carriage of the organism at extranasal sites may pose similar risks. METHODS:  A total of 70 patients about to undergo internal jugular vein catheterization for HD were enrolled in this prospective observational study. Swab cultures were obtained from anterior nares, posterior pharynx, axillae, toe web spaces, and vascular access sites at baseline and 1 week later...
January 2017: Hemodialysis International
https://www.readbyqxmd.com/read/27354011/use-of-maldi-tof-to-detect-colonized-vascular-catheter-tips-after-6-and-12h-of-incubation
#17
Emilio Bouza, Raquel Cruces, María Jesús Pérez Granda, Belén Rodríguez-Sánchez, Pablo Martín-Rabadán, María Guembe
We analyzed by MALDI-TOF MS 80 catheter tips after 6h and 12h of incubation and the sensitivity of each incubation period for the identification of colonization and C-RBSI was, respectively, 9.5%-NA and 42.9%-28.6%. Despite MALDI-TOF MS cannot be used to predict catheter colonization, it may rule out C-RBSI.
September 2016: Journal of Microbiological Methods
https://www.readbyqxmd.com/read/27234944/vascular-catheter-colonization-surveillance-based-on-culture-of-needleless-connectors
#18
María Jesús Pérez-Granda, María Guembe, Raquel Cruces, Emilio Bouza
BACKGROUND: Superficial culture has a high negative predictive value in the assessment of catheter tip colonization (CC) and catheter-related bloodstream infection (C-RBSI). However, the process of hub culture requires the hubs to be swabbed, and this carries a risk of dislodging the biofilm. At present, most catheter hubs are closed by needleless connectors (NCs) that are periodically replaced. Our objective was to compare the yield of SC (skin + hub culture) with that of skin + NC culture in the assessment of CC and C-RBSI...
May 28, 2016: Critical Care: the Official Journal of the Critical Care Forum
https://www.readbyqxmd.com/read/27104605/infection-risk-reduction-in-the-intensive-care-nursery-a-review-of-patient-care-practices-that-impact-the-infection-risk-in-global-care-of-the-hospitalized-neonates
#19
Linda Lefrak
Neonates are at high risk for developing an infection during their hospital stay in the neonatal intensive care unit. Increased risk occurs because of immaturity of the neonate's immune system, lower gestational age, severity of illness, surgical procedures, and instrumentation with life support devices such as vascular catheters. Neonates become colonized with bacteria prior to or at delivery and also during their hospital stay. They can then become infected with those bacteria if there is a breakdown in the primary defenses such as tissue injury due to skin breakdown, nasal erosion, or trauma to the respiratory tract...
April 2016: Journal of Perinatal & Neonatal Nursing
https://www.readbyqxmd.com/read/26362005/central-venous-catheter-repair-is-not-associated-with-an-increased-risk-of-central-line-infection-or-colonization-in-intestinal-failure-pediatric-patients
#20
Claire McNiven, Noah Switzer, Melisssa Wood, Rabin Persad, Marie Hancock, Sarah Forgie, Bryan J Dicken
PURPOSE: The intestinal failure (IF) population is dependent upon central venous catheters (CVC) to maintain minimal energy requirements for growth. Central venous catheter infections (CVCI) are frequent and an independent predictor of intestinal failure associated liver disease. A common complication in children with long-term CVC is the risk of line breakage. Given the often-limited usable vascular access sites in this population, it has been the standard of practice to perform repair of the broken line...
March 2016: Journal of Pediatric Surgery
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