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https://www.readbyqxmd.com/read/29020241/infections-atherosclerosis-and-coronary-heart-disease
#1
Naga Venkata K Pothineni, Swathi Subramany, Kevin Kuriakose, Lily F Shirazi, Francesco Romeo, Prediman K Shah, Jawahar L Mehta
Atherosclerosis is a chronic inflammatory disease. Pathophysiological similarities between chronic infections and atherosclerosis triggered interest in a clinical association between these conditions. Various infectious microbes have been linked to atherosclerotic vascular disease in epidemiological studies. However, this association failed to satisfy the Koch's postulates of causation with multiple clinical trials demonstrating inefficacy of anti-infective therapies in mitigating atherosclerotic cardiovascular events...
July 12, 2017: European Heart Journal
https://www.readbyqxmd.com/read/29020143/anti-infective-acquisition-costs-for-a-stewardship-program-getting-to-the-bottom-line
#2
Sarah K Parker, Amanda L Hurst, Cary Thurm, Matthew Millard, Timothy C Jenkins, Jason Child, Casey Dugan
Background: Though antimicrobial stewardship programs (ASPs) are in place for patient safety, financial justification is often required. In 2016, the Infectious Diseases Society of America (IDSA) recommended that anti-infective costs be measured by patient-level administration data normalized for patient census. Few publications use this methodology. Here, we aim to compare 3 methods of drug cost analysis during 3 phases of an ASP as an example of this recommendation's implementation...
July 23, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/29019915/revolutionizing-therapeutic-drug-monitoring-with-the-use-of-interstitial-fluid-and-microneedles-technology
#3
REVIEW
Tony K L Kiang, Sahan A Ranamukhaarachchi, Mary H H Ensom
While therapeutic drug monitoring (TDM) that uses blood as the biological matrix is the traditional gold standard, this practice may be impossible, impractical, or unethical for some patient populations (e.g., elderly, pediatric, anemic) and those with fragile veins. In the context of finding an alternative biological matrix for TDM, this manuscript will provide a qualitative review on: (1) the principles of TDM; (2) alternative matrices for TDM; (3) current evidence supporting the use of interstitial fluid (ISF) for TDM in clinical models; (4) the use of microneedle technologies, which is potentially minimally invasive and pain-free, for the collection of ISF; and (5) future directions...
October 11, 2017: Pharmaceutics
https://www.readbyqxmd.com/read/28989855/antimicrobial-inhibitory-activity-of-aqueous-hydroalcoholic-and-alcoholic-extracts-of-leaves-and-stem-of-daphne-mucronata-on-growth-of-oral-bacteria
#4
Kolsoom Shirzadi Karamolah, Fatemeh Mousavi, Hassan Mahmoudi
Background: Plants are a source of potential anti-infective agents. Daphne mucronata is a shrub in the family Thymelaeaceae, which has therapeutic effects. The aim of the present study was to evaluate the antimicrobial activity of aqueous, hydroalcoholic and alcoholic extracts of the leaves and stem of Daphne mucronata on the growth of oral bacteria. Materials and methods: Leaves and stem of Daphne mucronata were collected from the Zagros Mountains, Lorestan, Iran. They were air dried in the shade. Aqueous, hydroalcoholic and alcoholic extracts of Daphne mucronata were made by using classic techniques for solvent extraction of plant material...
2017: GMS Hygiene and Infection Control
https://www.readbyqxmd.com/read/28982394/leishmania-and-other-intracellular-pathogens-selectivity-drug-distribution-and-pk-pd
#5
Simon L Croft
New drugs and treatments for diseases caused by intracellular pathogens, such as leishmaniasis and the Leishmania species, have proved to be some of the most difficult to discover and develop. The focus of discovery research has been on the identification of potent and selective compounds that inhibit target enzymes (or other essential molecules) or are active against the causative pathogen in phenotypic in vitro assays. Although these discovery paradigms remain an essential part of the early stages of the drug R & D pathway, over the past two decades additional emphasis has been given to the challenges needed to ensure that the potential anti-infective drugs distribute to infected tissues, reach the target pathogen within the host cell and exert the appropriate pharmacodynamic effect at these sites...
October 6, 2017: Parasitology
https://www.readbyqxmd.com/read/28980026/-bacterial-sepsis-diagnostics-and-calculated-antibiotic-therapy
#6
REVIEW
D C Richter, A Heininger, T Brenner, M Hochreiter, M Bernhard, J Briegel, S Dubler, B Grabein, A Hecker, W A Krüger, K Mayer, M W Pletz, D Störzinger, N Pinder, T Hoppe-Tichy, S Weiterer, S Zimmermann, A Brinkmann, M A Weigand, Christoph Lichtenstern
The mortality of patients with sepsis and septic shock is still unacceptably high. An effective antibiotic treatment within 1 h of recognition of sepsis is an important target of sepsis treatment. Delays lead to an increase in mortality; therefore, structured treatment concepts form a rational foundation, taking relevant diagnostic and treatment steps into consideration. In addition to the assumed focus and individual risks of each patient, local resistance patterns and specific problem pathogens must be taken into account for selection of anti-infection treatment...
October 4, 2017: Der Anaesthesist
https://www.readbyqxmd.com/read/28975771/a-new-multiple-anti-infective-non-surgical-therapy-in-the-treatment-of-peri-implantitis-a-case-series
#7
Magda Mensi, Eleonora Scotti, Stefano Calza, Andrea Pilloni, Maria G Grusovin, Claudio Mongardini
BACKGROUND: Peri-implantitis is a frequent disease that may lead to implant loss. The aim of this case series was to evaluate the clinical results of a new non-surgical treatment protocol. METHODS: Fifteen patients with dental implants affected by peri-implantitis were treated with a multiple anti-infective non-surgical treatment (MAINST) which included two steps: 1) supra-gingival decontamination of the lesion and sub-gingival treatment with a controlled-release topical doxycycline; 2) after one week, a session of supra and sub gingival air polishing with Erythritol powder and ultrasonic debridement (where calculus was present) of the whole oral cavity was performed along with a second application of topical doxycycline around the infected implant...
October 3, 2017: Minerva Stomatologica
https://www.readbyqxmd.com/read/28965300/rapid-biosynthesized-agnps-from-gelidiella-acerosa-aqueous-extract-mitigates-quorum-sensing-mediated-biofilm-formation-of-vibrio-species-an-in-vitro-and-in-vivo-approach
#8
Lakkakula Satish, Sivasubramanian Santhakumari, Shanmugaraj Gowrishankar, Shunmugiah Karutha Pandian, Arumugam Veera Ravi, Manikandan Ramesh
The present study explores the non-bactericidal anti-virulence efficacy of green synthesized silver nanoparticles (AgNPs) from Gelidiella acerosa against multi-drug resistant Vibrio spp. Spectral characterization of AgNPs was performed through UV-Visible, FT-IR, and energy-dispersive spectroscopic techniques followed by X-ray crystallography and zeta potential analysis. Further, the structural characterization was done by electron and atomic force microscopic techniques. AgNPs profoundly quelled the quorum sensing mediated violacein production in Chromobacterium violaceum and CV026...
September 30, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28957751/acyl-selenoureido-benzensulfonamides-show-potent-inhibitory-activity-against-carbonic-anhydrases-from-the-pathogenic-bacterium-vibrio-cholerae
#9
Andrea Angeli, Ghulam Abbas, Sonia Del Prete, Fabrizio Carta, Clemente Capasso, Claudiu T Supuran
A series of acyl selenoureido benzensulfonamides was evaluated as carbonic anhydrase (CA, EC 4.2.1.1) inhibitors against two Vibrio cholerae such enzymes (VchCAα over VchCAβ) belonging to the α- and β-classes, potential novel targets for anti-infective drugs development. These compounds showed strong inhibitory action against VchCAα over VchCAβ and excellent selectivity over the human (h) off-target isoforms hCA I and II. Identification of potent and possibly selective inhibitors of VchCAα and/or VchCAβ over the human counterparts may lead to pharmacological tools useful for understanding the physiological role(s) of these under-investigated proteins, possibly involved in the virulence of the bacterium and colonization of the host in bicarbonate rich regions of the gastro-intestinal tract...
September 21, 2017: Bioorganic Chemistry
https://www.readbyqxmd.com/read/28952295/amoxicillin-and-clavulanate-potassium-in-treating-children-with-suppurative-tonsillitis
#10
L E Chen, Y Z Shen, D Y Jiang, G L Feng, X L Zhang, Y F Wang
To evaluate clinical effects of amoxicillin and clavulanate potassium in the treatment of children with suppurative tonsillitis, 146 children with suppurative tonsillitis were randomly divided into a ceftezole sodium group and an amoxicillin and clavulanate potassium group. The two groups were given anti-infection treatment using different drugs. Symptomatic treatment was carried out once symptoms such as fever appeared. Five to seven days were taken as one treatment course. Blood routine examination and the detection of C-reactive protein (CRP) were performed three days after treatment...
July 2017: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/28948652/pharmacokinetic-changes-of-antibiotic-antiviral-antituberculosis-and-antifungal-agents-during-extracorporeal-membrane-oxygenation-in-critically-ill-adult-patients
#11
REVIEW
J Hahn, J H Choi, M J Chang
WHAT IS KNOWN AND OBJECTIVE: Extracorporeal membrane oxygenation (ECMO) is a life-saving system used for critically ill patients with cardiac and/or respiratory failure. The pharmacokinetics (PK) of drugs can change in patients undergoing ECMO, which can result in therapeutic failure or drug toxicity requiring further management of drug complications. In this review, we discussed changes in the PK of antibiotic, antiviral, antituberculosis and antifungal agents administered to adult patients on ECMO...
September 25, 2017: Journal of Clinical Pharmacy and Therapeutics
https://www.readbyqxmd.com/read/28947756/network-analysis-of-drug-target-interactions-a-study-on-fda-approved-new-molecular-entities-between-2000-to-2015
#12
Hui-Heng Lin, Le-Le Zhang, Ru Yan, Jin-Jian Lu, Yuanjia Hu
The U.S. Food and Drug Administration (FDA) approves new drugs every year. Drug targets are some of the most important interactive molecules for drugs, as they have a significant impact on the therapeutic effects of drugs. In this work, we thoroughly analyzed the data of small molecule drugs approved by the U.S. FDA between 2000 and 2015. Specifically, we focused on seven classes of new molecular entity (NME) classified by the anatomic therapeutic chemical (ATC) classification system. They were NMEs and their corresponding targets for the cardiovascular system, respiratory system, nerve system, general anti-infective systemic, genito-urinary system and sex hormones, alimentary tract and metabolisms, and antineoplastic and immunomodulating agents...
September 25, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28947647/killing-of-p-aeruginosa-by-chicken-cathelicidin-2-is-immunogenically-silent-preventing-lung-inflammation-in-vivo
#13
Maarten Coorens, Brandon J H Banaschewski, Brandon J Baer, Cory Yamashita, Albert van Dijk, Henk P Haagsman, Ruud A W Veldhuizen, Edwin J A Veldhuizen
The development of antibiotic resistance by Pseudomonas aeruginosa is a major concern in the treatment of bacterial pneumonia. In the search of novel anti-infective therapies, the chicken-derived peptide cathelicidin-2 (CATH-2) has emerged as a potential candidate, with strong broad-spectrum antimicrobial activity and the ability to limit inflammation by inhibiting TLR2 and TLR4 activation. However, as it is unknown how CATH-2 affects inflammation in vivo, we investigated how CATH-2-mediated killing of P. aeruginosa affects lung inflammation in a murine model...
September 25, 2017: Infection and Immunity
https://www.readbyqxmd.com/read/28935918/host-directed-therapies-for-bacterial-and-viral-infections
#14
REVIEW
Stefan H E Kaufmann, Anca Dorhoi, Richard S Hotchkiss, Ralf Bartenschlager
Despite the recent increase in the development of antivirals and antibiotics, antimicrobial resistance and the lack of broad-spectrum virus-targeting drugs are still important issues and additional alternative approaches to treat infectious diseases are urgently needed. Host-directed therapy (HDT) is an emerging approach in the field of anti-infectives. The strategy behind HDT is to interfere with host cell factors that are required by a pathogen for replication or persistence, to enhance protective immune responses against a pathogen, to reduce exacerbated inflammation and to balance immune reactivity at sites of pathology...
September 22, 2017: Nature Reviews. Drug Discovery
https://www.readbyqxmd.com/read/28929294/neurologic-complications-of-infective-endocarditis-recent-findings
#15
REVIEW
Marie Cantier, Mikael Mazighi, Isabelle Klein, J P Desilles, Michel Wolff, J F Timsit, Romain Sonneville
PURPOSE OF REVIEW: The purpose of this paper is to provide recent insights in management of neurologic complications of left-sided infective endocarditis (IE). RECENT FINDINGS: Cerebral lesions observed in IE patients are thought to involve synergistic pathophysiological mechanisms including thromboembolism, sepsis, meningitis, and small-vessel cerebral vasculitis. Brain MRI represents a major tool for the detection of asymptomatic events occurring in the majority of patients...
September 19, 2017: Current Infectious Disease Reports
https://www.readbyqxmd.com/read/28929236/-criteria-for-treating-mrsa-in-sputum
#16
REVIEW
J Lorenz, M Unnewehr, B Schaaf, S Gatermann
Methicillin-resistant strains of Staphylococcus aureus (MRSA) are of particular significance for the management of patients with airway infections, since the disease course is often complicated and treatment rendered difficult by multiple resistance. Their prevalence is now slowly declining, but still alarmingly high. Hospital-acquired infections are predominant, but hospital-associated and community-acquired infections do occur, as do rare infections with livestock-acquired strains. Non-nosocomial strains are characterized by different pathogenic factors and a different spectrum of antibacterial resistance; they often have a threatening disease course...
September 19, 2017: Der Internist
https://www.readbyqxmd.com/read/28922497/mutual-independence-of-alkaline-and-calcium-mediated-signalling-in-aspergillus-fumigatus-refutes-the-existence-of-a-conserved-druggable-signalling-nexus
#17
Omar Loss, Margherita Bertuzzi, Yu Yan, Natalie Fedorova, Bethany L McCann, Darius Armstrong-James, Eduardo A Espeso, Nick D Read, William C Nierman, Elaine M Bignell
Functional coupling of calcium- and alkaline responsive signalling occurs in multiple fungi to afford efficient cation homeostasis. Host microenvironments exert alkaline stress and potentially toxic concentrations of Ca(2+) , such that highly conserved regulators of both calcium- (Crz) and pH- (PacC/Rim) responsive signalling are crucial for fungal pathogenicity. Drugs targeting calcineurin are potent antifungal agents but also perturb human immunity thereby negating their use as anti-infectives, abrogation of alkaline signalling has therefore been postulated as an adjunctive antifungal strategy...
September 18, 2017: Molecular Microbiology
https://www.readbyqxmd.com/read/28921048/antibacterial-and-antitumor-activity-of-bogorol-b-jx-isolated-from-brevibacillus-laterosporus-jx-5
#18
Hongxia Jiang, Chao Ji, Junkang Sui, Rongbo Sa, Xiaohui Wang, Xunli Liu, Tai L Guo
Antimicrobial peptides are promising anti-infective agent candidates because they have a broad antimicrobial spectrum and bioactivity and are unlikely to elicit antibiotic resistance. The bogorols represent a new cationic antibiotic peptide and possess great therapeutic potential because of their bioactivity and precise mode of action. Here, we report that Bogorol B-JX (BBJX), a peptide previously isolated from Brevibacillus laterosporus JX-5 by us, has significant antibacterial and antitumor activities in vitro...
September 18, 2017: World Journal of Microbiology & Biotechnology
https://www.readbyqxmd.com/read/28919748/antibacterial-properties-of-pekk-for-orthopedic-applications
#19
Mian Wang, Garima Bhardwaj, Thomas J Webster
Orthopedic implant infections have been steadily increasing while, at the same time, antibiotics developed to kill such bacteria have proven less and less effective with every passing day. It is clear that new approaches that do not rely on the use of antibiotics are needed to decrease medical device infections. Inspired by cicada wing surface topographical features, nanostructured surfaces represent a new approach for imposing antibacterial properties to biomaterials without using drugs. Moreover, new chemistries with altered surface energetics may decrease bacterial attachment and growth...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28916998/emergency-neurologic-life-support-meningitis-and-encephalitis
#20
David F Gaieski, Nicole F O'Brien, Ricardo Hernandez
Bacterial meningitis and viral encephalitis, particularly herpes simplex encephalitis, are severe neurological infections that, if not treated promptly and effectively, lead to poor neurological outcome or death. Because of the value of early recognition and treatment, meningitis and encephalitis was chosen as an Emergency Neurological Life Support protocol. This protocol provides a practical approach to recognition and urgent treatment of bacterial meningitis and encephalitis. Appropriate imaging, spinal fluid analysis, and early empiric treatment are discussed...
September 15, 2017: Neurocritical Care
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