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https://www.readbyqxmd.com/read/28640730/treating-patients-with-venous-leg-ulcers-in-the-acute-setting-part-1
#1
Irene Anderson
Leg ulcers present with a variety of aetiologies, sometimes in combination. The most common aetiology is venous, with treament involving compression, elevation and exercise; the most common treatment setting is the community. However, people with leg ulcers do sometimes require admission to hospital for conditions and situations which may, or may not, be ulcer-related. There is a lack of contemporary evidence on the experience of inpatients and insufficient analysis of the impact on healing and complications to the lower limb when patients with leg ulcers and compression therapy are admitted to hospital...
June 22, 2017: British Journal of Nursing: BJN
https://www.readbyqxmd.com/read/28634536/telavancin-a-novel-semisynthetic-lipoglycopeptide-agent-to-counter-the-challenge-of-resistant-gram-positive-pathogens
#2
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/28632826/-pyogenic-liver-abscess-in-children-clinical-experience-in-a-pediatric-reference-center
#3
Carolina Carballo, Claudia Cazes, Mariana Matsuda, M Laura Praino, Noemí Rivas, Eduardo López
INTRODUCTION: Liver abscess is a serious and an uncommon pediatric disease. OBJECTIVE AND METHOD: Description of 20 pediatric patients with liver abscess admitted in "Ricardo Gutierrez" Children's Hospital, a Tertiary Reference Center of Buenos Aires, between 2009 and 2015. RESULTS: The hospitalization rate was 35/100.000 admissions. Median age was 5 years old, male/female ratio 4/1. Five patients (25%) had predisposing factors. Median days at diagnosis were 12...
April 2017: Revista Chilena de Infectología: órgano Oficial de la Sociedad Chilena de Infectología
https://www.readbyqxmd.com/read/28630440/looking-to-nature-for-a-new-concept-in-antimicrobial-treatments-isoflavonoids-from-cytisus-striatus-as-antibiotic-adjuvants-against-mrsa
#4
Ana Cristina Abreu, Aline Coqueiro, Andi R Sultan, Nicole Lemmens, Hye Kyong Kim, Robert Verpoorte, Willem J B van Wamel, Manuel Simões, Young Hae Choi
The spread of multidrug-resistant Staphylococcus aureus strains, including methicillin-resistant S. aureus (MRSA), has shortened the useful life of anti-staphylococcal drugs enormously. Two approaches can be followed to address this problem: screening various sources for new leads for antibiotics or finding ways to disable the resistance mechanisms to existing antibiotics. Plants are resistant to most microorganisms, but despite extensive efforts to identify metabolites that are responsible for this resistance, no substantial progress has been made...
June 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28630190/%C3%AE-lactam-antibiotics-with-a-high-affinity-for-pbp2-act-synergistically-with-the-ftsz-targeting-agent-txa707-against-methicillin-resistant-staphylococcus-aureus
#5
Edgar Ferrer-González, Malvika Kaul, Ajit K Parhi, Edmond J LaVoie, Daniel S Pilch
Methicillin-resistant Staphylococcus aureus (MRSA) is a multi-drug resistant pathogen that poses a significant risk to global health today. We have developed a promising new FtsZ-targeting agent (TXA707) with potent activity against MRSA isolates resistant to current standard-of-care antibiotics. Here we present results that demonstrate differing extents of synergy between TXA707 and a broad range of β-lactam antibiotics (including six cephalosporins, two penicillins, and two carbapenems) against MRSA. To explore whether there is a correlation between the extent of synergy and the preferential antibacterial target of each β-lactam, we determined the binding affinities of the β-lactam antibiotics for each of the four native penicillin binding proteins (PBPs) of S...
June 19, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28629753/active-identification-of-patients-who-are-methicillin-resistant-staphylococcus-aureus-colonized-is-not-associated-with-longer-duration-of-vancomycin-therapy
#6
Carlos Acuna-Villaorduna, Westyn Branch-Elliman, Judith Strymish, Kalpana Gupta
BACKGROUND: Excessive prescribing of vancomycin among patients admitted to inpatient wards is a challenge for antimicrobial stewardship programs, especially in the setting of expanded screening programs for methicillin-resistant Staphylococcus aureus (MRSA). Studies examining factors associated with longer duration of vancomycin use are limited. METHODS: We conducted a retrospective cohort study to assess the impact of universal MRSA admission screening on duration of vancomycin use at the VA Boston Healthcare System during the period from January 2013-November 2015...
June 16, 2017: American Journal of Infection Control
https://www.readbyqxmd.com/read/28628223/unsuccessful-treatment-of-methicillin-resistant-staphylococcus-aureus-endocarditis-with-dalbavancin
#7
J M Steele, R W Seabury, C M Hale, B T Mogle
WHAT IS KNOWN AND OBJECTIVE: Limited evidence describes dalbavancin use in infective endocarditis (IE). CASE DESCRIPTION: A 27-year-old pregnant female received 4 weeks of dalbavancin for methicillin-resistant Staphylococcus aureus (MRSA) bacteraemia and tricuspid valve IE after conventional therapy was no longer an option due to non-compliance. Despite having a smaller cardiac vegetation following dalbavancin, she was bacteraemic <2 weeks later with vancomycin-intermediate (VISA) and telavancin-non-susceptible S...
June 19, 2017: Journal of Clinical Pharmacy and Therapeutics
https://www.readbyqxmd.com/read/28626538/septic-thrombophlebitis-with-persistent-methicillin-resistant-staphylococcus-aureus-bacteremia-and-de-novo-resistance-to-vancomycin-and-daptomycin
#8
Yael Koton, Zafrir Or, Naiel Bisharat
Persistent methicillin-resistant Staphylococcus aureus (MRSA) bacteremia is associated with significant risk of mortality, especially when it occurs while on appropriate antimicrobial therapy. We herein describe an unusual case of a patient with prosthetic aortic tissue valve, who suffered from central venous catheter related MRSA bacteremia with septic thrombus formation in the superior vena cava. MRSA bacteremia persisted despite removal of the catheter and appropriate antimicrobial therapy including vancomycin, rifampin, and daptomycin...
May 31, 2017: Infectious Disease Reports
https://www.readbyqxmd.com/read/28616818/fosfomycin-for-the-treatment-of-drug-resistant-urinary-tract-infections-potential-of-an-old-drug-not-explored-fully
#9
Vrushali Patwardhan, Sarman Singh
INTRODUCTION: Increased emergence of bacterial resistance and the limited options of novel antimicrobial agents have necessitated the reintroduction of some old antimicrobial agents. One such drug is fosfomycin, but its potential has not been explored fully, especially in India. AIMS AND OBJECTIVES: To analyze the in vitro activity of fosfomycin, against the urinary isolates and to compare it with in vitro activity of other orally administered antimicrobial agents...
June 14, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/28616060/early-recognition-of-methicillin-resistant-staphylococcus-aureus-surgical-site-infections-using-risk-and-protective-factors-identified-by-a-group-of-italian-surgeons-through-delphi-method
#10
G Sganga, C Tascini, E Sozio, S Colizza
BACKGROUND: Surgical site infections (SSIs) constitute a major clinical problem in terms of morbidity, mortality, duration of hospital stay, and overall costs. The bacterial pathogens implicated most frequently are Streptococcus pyogenes (S. pyogenes) and Staphylococcus aureus (S. aureus). The incidence of methicillin-resistant S. aureus (MRSA) SSIs is increasing significantly. Since these infections have a significant impact on hospital budgets and patients' health, their diagnosis must be anticipated and therapy improved...
2017: World Journal of Emergency Surgery: WJES
https://www.readbyqxmd.com/read/28598149/taking-the-silver-bullet-colloidal-silver-particles-for-the-topical-treatment-of-biofilm-related-infections
#11
Katharina Richter, Paula Facal, Nicky Thomas, Ilse Vandecandelaere, Mahnaz Ramezanpour, Clare Cooksley, Clive A Prestidge, Tom Coenye, Peter-John Wormald, Sarah Vreugde
BACKGROUND: Biofilms are aggregates of bacteria residing in a self-assembled matrix, which protects these sessile cells against external stress, including antibiotic therapies. In light of emerging multidrug-resistant bacteria alternative strategies to antibiotics are emerging. The present study evaluated the activity of colloidal silver nanoparticles (AgNPs) of different shapes against biofilms formed by Staphylococcus aureus (SA), methicillin-resistant SA (MRSA) and Pseudomonas aeruginosa (PA)...
June 9, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28592231/high-burden-of-complicated-skin-and-soft-tissue-infections-in-the-indigenous-population-of-central-australia-due-to-dominant-panton-valentine-leucocidin-clones-st93-mrsa-and-cc121-mssa
#12
Susan A J Harch, Eleanor MacMorran, Steven Y C Tong, Deborah C Holt, Judith Wilson, Eugene Athan, Saliya Hewagama
BACKGROUND: Superficial skin and soft tissue infections (SSTIs) are common among the Indigenous population of the desert regions of Central Australia. However, the overall burden of disease and molecular epidemiology of Staphylococcus aureus complicated SSTIs has yet to be described in this unique population. METHODS: Alice Springs Hospital (ASH) admission data was interrogated to establish the population incidence of SSTIs. A prospective observational study was conducted on a subset of S...
June 7, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28580804/burden-of-antimicrobial-resistance-in-an-era-of-decreasing-susceptibility
#13
Glenn S Tillotson, Stephen H Zinner
Antimicrobial resistance has become a global problem. Many pathogens are becoming multidrug-resistant with the attendant increased risk of failure of standard therapies and the under-recognised outcomes such as increased morbidity, mortality, length of hospitalization and costs of treatment. Areas covered: We undertook a review of the literature using standard search engines including PubMed, Google Scholar, Scopus and internet sources. Key search terms included antimicrobial resistance, antibiotic resistance, bacterial resistance, clinical outcomes, economic consequences, Escherichia coli, Pseudomonas aeruginosa, Klebsiella pneumoniae, Streptococcus pneumoniae and Staphylococcus aureus...
June 13, 2017: Expert Review of Anti-infective Therapy
https://www.readbyqxmd.com/read/28577844/preoperative-staphylococcus-aureus-screening-and-targeted-decolonization-in-cardiac-surgery
#14
Manoj K Saraswat, Jonathan T Magruder, Todd C Crawford, Julia M Gardner, Damon Duquaine, Marc S Sussman, Lisa L Maragakis, Glenn J Whitman
BACKGROUND: We assessed the impact of preoperative Staphylococcus aureus screening and targeted decolonization on the incidence of postoperative methicillin-resistant S aureus (MRSA) colonization, intensive care unit MRSA transmission, and surgical site infections in cardiac surgery patients. METHODS: We reviewed medical records for all adult patients during two periods: preintervention (January 2007 to April 2010) and intervention (January 2011 to December 2014)...
June 1, 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28542523/impact-of-maintenance-immunosuppressive-therapy-on-the-fecal-microbiome-of-renal-transplant-recipients-comparison-between-an-everolimus-and-a-standard-tacrolimus-based-regimen
#15
Gianluigi Zaza, Alessandra Dalla Gassa, Giovanna Felis, Simona Granata, Sandra Torriani, Antonio Lupo
BACKGROUND: The gut microbiome is the full set of microbes living in the gastrointestinal tract and is emerging as an important dynamic/fluid system that, if altered by environmental, dietetic or pharmacological factors, could considerably influence drug response. However, the immunosuppressive drug-induced modifications of this system are still poorly defined. METHODS: We employed an innovative bioinformatics approach to assess differences in the whole-gut microbial metagenomic profile of 20 renal transplant recipients undergoing maintenance treatment with two different immunosuppressive protocols...
2017: PloS One
https://www.readbyqxmd.com/read/28540152/epidemiological-clinical-and-microbiological-characteristics-of-patients-with-post-traumatic-osteomyelitis-of-limb-fractures-in-southwest-china-a-hospital-based-study
#16
Jiachen Peng, Youliang Ren, Wenbin He, Zhengdao Li, Jin Yang, Yi Liu, Zhonghui Zheng, Stephen L Kates, Edward M Schwarz, Chao Xie, Youjia Xu
Objective To determine the epidemiological, clinical and microbiological characteristics, of patients with post-traumatic osteomyelitis of extremity fractures, and provide evidence-based guidelines for early diagnosis and treatment, including empiric antibiotic therapy. Methods Human subject research was performed using institutional review board approved protocols. A retrospective chart review was conducted on 5,368 patients diagnosed with extremity traumatic fractures from January 1, 2012 to December 31, 2015, to identify osteomyelitis patients...
2017: Journal of bone and joint infection
https://www.readbyqxmd.com/read/28532398/clinical-outcomes-of-linezolid-and-vancomycin-in-patients-with-nosocomial-pneumonia-caused-by-methicillin-resistant-staphylococcus-aureus-stratified-by-baseline-renal-function-a-retrospective-cohort-analysis
#17
Ping Liu, Blair Capitano, Amy Stein, Ali A El-Solh
BACKGROUND: The primary objective of this study is to assess whether baseline renal function impacts treatment outcomes of linezolid and vancomycin (with a dose-optimized regimen) for methicillin-resistant Staphylococcus aureus (MRSA) pneumonia. METHODS: We conducted a retrospective cohort analysis of data generated from a prospective, randomized, controlled clinical trial (NCT 00084266). The analysis included 405 patients with culture-proven MRSA pneumonia. Baseline renal function was stratified based on creatinine clearance...
May 22, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28522783/splenic-abcesses-as-infectious-complication-following-127-implantation-of-left-ventricular-asssist-device-case-report
#18
Sławomir Gajda, Anna M Szczepanik, Grzegorz Religa, Andrzej Misiak, Andrzej B Szczepanik
Left ventricular assist device (LVAD) is one of the modern management therapies in patients with advanced heart failure, and it serves as a bridge to heart transplantation or even as destination therapy. However, it is burdened with a high risk of thromboembolic, hemorrhagic, and infectious complications despite prophylactic management. Splenic abscesses, as septic complications following implantation of mechanical ventricular support, have not yet been described in the literature. We report of a patient with severe left ventricular insufficiency (NYHA II/III), pulmonary hypertension, and arrhythmia who underwent implantation of the Heart Ware® pump for left ventricular support with simultaneous tricuspidvalvoplasty, as a bridge therapy to heart transplantation...
February 28, 2017: Polski Przeglad Chirurgiczny
https://www.readbyqxmd.com/read/28512449/antibacterial-potential-of-an-antimicrobial-agent-inspired-by-peroxidase-catalyzed-systems
#19
Lilit Tonoyan, Gerard T A Fleming, Paul H Mc Cay, Ruairi Friel, Vincent O'Flaherty
Antibiotic resistance is an increasingly serious threat to global health. Consequently, the development of non-antibiotic based therapies and disinfectants, which avoid induction of resistance, or cross-resistance, is of high priority. We report the synthesis of a biocidal complex, which is produced by the reaction between ionic oxidizable salts-iodide and thiocyanate-in the presence of hydrogen peroxide as an oxidation source. The reaction generates bactericidal reactive oxygen and iodine species. In this study, we report that the iodo-thiocyanate complex (ITC) is an effective bactericidal agent with activity against planktonic and biofilm cells of Gram-negative (Escherichia coli and Pseudomonas aeruginosa) and Gram-positive (Staphylococcus aureus and methicillin-resistant S...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28493114/-management-of-multiresistant-bacteria-in-urology
#20
REVIEW
W Vahlensieck, R Rudolph, H-J Knopf, U Dahl, W Fabry
Contamination and infection with extensive drug resistant (XDR) bacteria are increasing in urology with the exception of methicillin resistant Staphylococcus aureus (MRSA) (stabilization). They often lead to logistic and therapeutical problems. Only 30-50% of XDR cases are of exogenous origin. To slow this trend, screening, hygiene programs, isolation, decontamination, targeted therapy of symptomatic infections, education programs, and success controls should be applied. Furthermore, all regulatory and legal instructions should be followed...
June 2017: Der Urologe. Ausg. A
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