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Kristina Guyton, John C Alverdy
Surgery involving the gastrointestinal tract continues to prove challenging because of the persistence of unpredictable complications such as anastomotic leakage and life-threatening infections. Removal of diseased intestinal segments results in substantial catabolic stress and might require complex reconstructive surgery to maintain the functional continuity of the intestinal tract. As gastrointestinal surgery necessarily involves a breach of an epithelial barrier colonized by microorganisms, preoperative intestinal antisepsis is used to reduce infection-related complications...
October 12, 2016: Nature Reviews. Gastroenterology & Hepatology
Rohan Merani, Zachary E McPherson, Alan P Luckie, Jagjit S Gilhotra, Jim Runciman, Shane Durkin, James Muecke, Mark Donaldson, Albert Aralar, Anupam Rao, Peter E Davies
PURPOSE: To determine the incidence of endophthalmitis in a large clinical series using aqueous chlorhexidine for antisepsis before intravitreal injection and to review the ophthalmic literature regarding chlorhexidine efficacy and safety. DESIGN: Multicenter retrospective case series. PARTICIPANTS: All patients receiving intravitreal injections from 7 retinal specialists. METHODS: An audit of intravitreal injections performed by retinal specialists who exclusively used aqueous chlorhexidine 0...
October 6, 2016: Ophthalmology
Mija Ahn, Pethaiah Gunasekaran, Ganesan Rajasekaran, Eun Young Kim, Soo-Jae Lee, Geul Bang, Kun Cho, Jae-Kyung Hyun, Hyun-Ju Lee, Young Ho Jeon, Nam-Hyung Kim, Eun Kyoung Ryu, Song Yub Shin, Jeong Kyu Bang
In this study, we report on the first chemical synthesis of ultra-short pyrazole-arginine based antimicrobial peptidomimetics derived from the newly synthesized N-alkyl/aryl pyrazole amino acids. Through the systematic tuning of hydrophobicity, charge, and peptide length, we identified the shortest peptide Py11 with the most potent antimicrobial activity. Py11 displayed greater antimicrobial activity against antibiotic-resistant bacteria, including MRSA, MDRPA, and VREF, which was approximately 2-4 times higher than that of melittin...
September 23, 2016: European Journal of Medicinal Chemistry
S Kuzi, S E Blum, N Kahane, A Adler, O Hussein, G Segev, I Aroch
BACKGROUND: Members of the Acinetobacter calcoaceticus-Acinetobacter baumannii complex cause severe outbreaks in humans, and are increasingly reported in animals. OBJECTIVE AND METHODS: A retrospective study, describing a severe outbreak in dogs and cats caused by a multidrug resistant member of the Acinetobacter calcoaceticus-Acinetobacter baumannii complex in a veterinary hospital, between July 2010 and November 2012. RESULTS: The study included 19 dogs and 4 cats...
October 5, 2016: Journal of Small Animal Practice
Elizabeth Story-Roller, Melvin P Weinstein
Blood cultures (BC) are the standard method for diagnosis of bloodstream infections (BSI). However, the average BC contamination rate (CR) in US hospitals is 2.9%, potentially resulting in unnecessary antibiotic use and excessive therapy costs. Several studies have compared various skin antisepsis agents without a clear consensus as to which agent is most effective in reducing contamination. A prospective, randomized crossover study was performed at Robert Wood Johnson University Hospital (RWJUH) directly comparing blood culture contamination rates using chlorhexidine vs...
October 5, 2016: Journal of Clinical Microbiology
Wen-Tao Gai, Da-Peng Yu, Xin-Sheng Wang, Pei-Tao Wang
Ursolic acid is a type of pentacyclic triterpene compound with multiple pharmacological activities including cancer resistance, protection from liver injury, antisepsis, anti-inflammation and antiviral activity. The present study aimed to investigate the anticancer effect of ursolic acid. Ursolic acid activates cell apoptosis and its pro-apoptotic mechanism remains to be fully elucidated. Cell Counting kit-8 assays, flow cytometric analysis and analysis of caspase-3 and caspase-9 activity were used to estimate the anticancer effect of ursolic acid on DU145 prostate cancer cells...
October 2016: Oncology Letters
G Kampf
Chlorhexidine digluconate (CHG) is an antimicrobial agent used for different types of applications in hand hygiene, skin antisepsis, oral care, and patient washing. Increasing use raises concern regarding development of acquired bacterial resistance. Published data from clinical isolates with CHG minimum inhibitory concentrations (MICs) were reviewed and compared to epidemiological cut-off values to determine resistance. CHG resistance is rarely found in Escherichia coli, Salmonella spp., Staphylococcus aureus or coagulase-negative staphylococci...
August 26, 2016: Journal of Hospital Infection
Gregory Tsoucalas, Konstantinos Laios, Marianna Karamanou, Markos Sgantzos, George Androutsos
Daniel Mollière, was a French anatomist and surgeon, born in Lyon, who succeeded in his short life in making his mark in surgery. He was a prolific writer who left a series of medical treatises and a committed surgeon who was responsible for various significant innovative apparatuses in the medical sper. As he lived in an era when the role of microbe had already been recognized, he was among the first to use antisepsis and install extreme measures against microbes, both in the air and on the skin'. Fountains with fresh clean water, carbonic acid, cross ventilation, medical blouses, combined with Valette's apparatus for the dressing of amputations, were some of his precautions to reduce surgical infections and post-operative mortality...
September 1, 2016: Le Infezioni in Medicina
Brad S Oriel, Qi Chen, Kevin Wong, Kamal M F Itani
BACKGROUND: Selection of a pre-operative hand antisepsis agent has not been studied in relation to surgical site infection (SSI) culture data. In our hospital, we introduced an alcohol-based hand rub (ABR) in 2012 as an alternative to traditional aqueous surgical scrubs (TSS). It was the goal of this study to review any effect of this implementation on SSI pathogen characteristics. In addition, we sought to compare our SSI culture data with available National Healthcare Safety Network (NHSN) data...
September 23, 2016: Surgical Infections
Isaac Ginsburg, Erez Koren, James Varani, Ron Kohen
In 2009, Xu et al. and Chaput et al. in Nature Medicine had argued that the main cause of death in sepsis is the release from neutrophil nets of nuclear histone, highly toxic to endothelial cells and that these polycations are major and unique virulence factors. Since 2009, numerous researchers have also suggested the involvement of histones in the pathophysiology of many clinical disorders. If histones are indeed major unique virulence toxic agents, then heparin, activated protein C and antibodies to histone should prove excellent antisepsis agents...
October 2016: Inflammopharmacology
No abstract text is available yet for this article.
September 2016: AORN Journal
Olivier Mimoz, Vineet Chopra, Andreas Widmer
No abstract text is available yet for this article.
August 11, 2016: Intensive Care Medicine
Cornelia Sigrid Lissi Müller, Barbara Burgard, Monika Zimmerman, Thomas Vogt, Claudia Pföhler
Die Methoden zur Behandlung akuter und chronischer Wunden unterliegen einer steten Weiterentwicklung, Reevaluierung und Anwendung innovativer Therapieformen. Die Vakuumtherapie zur Wundbehandlung gehört zu den etablierten Behandlungsmodalitäten. Ein innovatives Verfahren kombiniert die Vakuumtherapie mit der automatisierten, kontrollierten Zufuhr und Drainage wirkstoffhaltiger Lösungen zur topischen Wundbehandlung im Wundbett und auch wirkstofffrei durch Instillation physiologischer Kochsalzlösung (Unterdruck-Instillationstherapie)...
August 2016: Journal der Deutschen Dermatologischen Gesellschaft, Journal of the German Society of Dermatology: JDDG
Cornelia Sigrid Lissi Müller, Barbara Burgard, Monika Zimmerman, Thomas Vogt, Claudia Pföhler
Methods used in the treatment of acute and chronic wounds undergo constant evolution, reevaluation, and innovation. While negative-pressure wound therapy (NPWT) is an established treatment modality, the combination of NPWT and instillation of normal saline as well as solutions with active antiseptic components for topical treatment of the wound bed represents a novel approach. The well-known effects of NPWT may thus be combined with those of local antisepsis. They include a decrease in wound area, induction of granulation tissue, and reduction in bacterial colonization...
August 2016: Journal der Deutschen Dermatologischen Gesellschaft, Journal of the German Society of Dermatology: JDDG
Brad S Oriel, Kamal M F Itani
BACKGROUND: Surgical site infections (SSI) remain a significant problem to both the patients and the healthcare system. Value care and standardized quality measures continue to promote improvement in surgical asepsis, but certain debates remain unresolved in the field of surgical hand antisepsis. METHODS: Review of relevant accounts and literature. RESULTS: Controversy has existed regarding the U.S. Food and Drug Administration (FDA)'s 1994 Tentative Final Monograph (TFM), which defined how surgical hand antisepsis products are assessed...
August 10, 2016: Surgical Infections
Mohammad Shahidul Islam, Samir K Saha, Maksuda Islam, Joyanta K Modak, Rashed Shah, Radwanur R Talukder, Shams El Arifeen, Abdullah H Baqui, Gary L Darmstadt, Luke C Mullany
BACKGROUND: Group B Streptococcus (GBS) is a predominant cause of early-onset neonatal sepsis (EOS) globally; however, the impact of this organism on the health of newborns in South Asia is debated, due in part to a paucity of community-based assessments. We estimated the prevalence and serotypes of GBS colonization of the umbilical cord stump, and the association of colonization with mortality in a population-based cohort of newborns in rural Sylhet District, Bangladesh. METHODS: Umbilical cord swabs were collected from 646 newborns up to three times within the first week after birth (ages <24 hours, ~3 days, ~6 days) and processed to identify GBS serotypes...
July 22, 2016: Pediatric Infectious Disease Journal
Yi Yang, Chris Reid, Mithun Nambiar, David Penn
Hydrogen peroxide (H2O2) is commonly used in orthopaedic surgery during cemented arthroplasty and wound washouts. Its purported roles include antisepsis, haemostasis, mechanical debridement, and optimising the cement-bone interface during cementing. However, despite its apparent harmless mechanism of action, H2O2 has been implicated in fatal and near fatal complications caused through oxygen emboli. We present a case of oxygen embolism and review the existing literature to highlight its potential risks and its lack of therapeutic value...
June 21, 2016: Acta Chirurgica Belgica
Nai Ming Lai, Nai An Lai, Elizabeth O'Riordan, Nathorn Chaiyakunapruk, Jacqueline E Taylor, Kenneth Tan
BACKGROUND: The central venous catheter (CVC) is a device used for many functions, including monitoring haemodynamic indicators and administering intravenous medications, fluids, blood products and parenteral nutrition. However, as a foreign object, it is susceptible to colonisation by micro-organisms, which may lead to catheter-related blood stream infection (BSI) and in turn, increased mortality, morbidities and health care costs. OBJECTIVES: To assess the effects of skin antisepsis as part of CVC care for reducing catheter-related BSIs, catheter colonisation, and patient mortality and morbidities...
2016: Cochrane Database of Systematic Reviews
Salma Abbas, Sangeeta Sastry
Healthcare-associated infections (HAIs) are an important cause of morbidity and mortality in the USA. They are associated with a substantial increase in health care costs each year. Fortunately, many HAIs are preventable, and their eradication is a national priority. Chlorhexidine (CHG) bathing has been used as an infection prevention measure, either alone or bundled with other interventions, with mostly beneficial results. The recent surge in its use as an agent of choice for skin antisepsis has lead to concerns over emerging resistance among microorganisms...
August 2016: Current Infectious Disease Reports
C F Heal, D Charles, A Hardy, M Delpachitra, J Banks, M Wohlfahrt, Sabine Saednia, P Buettner
INTRODUCTION: Surgical site infection (SSI) after minor skin excisions has a significant impact on patient morbidity and healthcare resources. Skin antisepsis prior to surgical incision is used to prevent SSI, and is performed routinely worldwide. However, in spite of the routine use of skin antisepsis, there is no consensus regarding which antiseptic agents are most effective. The AVALANCHE trial will compare Aqueous Versus Alcoholic Antisepsis with Chlorhexidine for Skin Excisions. METHODS AND ANALYSIS: The study design is a prospective, randomised controlled trial (RCT) with the aim of investigating the impact of two different antiseptic preparations on the incidence of superficial SSI in patients undergoing minor skin excisions...
2016: BMJ Open
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