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https://www.readbyqxmd.com/read/27919244/surgical-antibiotic-prophylaxis-in-children-a-mixed-method-study-on-healthcare-professionals-attitudes
#1
Angela Giusti, Stefania Spila Alegiani, Marta Luisa Ciofi Degli Atti, Sofia Colaceci, Roberto Raschetti, Pasquale Arace, Raffaele Spiazzi, Massimiliano Raponi
BACKGROUND: Qualitative and quantitative research investigating determinants of adherence to clinical guidelines (GLs) on surgical antibiotic prophylaxis (SAP) are scarce. We conducted a mixed-method study aimed at investigating barriers and at describing attitudes of healthcare professionals (HCPs) regarding SAP in three Italian children's hospitals. METHODS: The study comprised two sequential phases: 1) collection of qualitative data through focus groups; 2) conduction of a survey on HCPs attitudes towards SAP...
December 5, 2016: BMC Pediatrics
https://www.readbyqxmd.com/read/27914593/systemic-and-localized-infection-by-candida-species-in-patients-with-rheumatic-diseases-receiving-anti-tnf-therapy
#2
Nadia E Aikawa, Daniela T A Rosa, Gilda M B Del Negro, Julio C B Moraes, Ana C M Ribeiro, Carla Gonçalves Saad, Clovis A Silva, Eloisa Bonfá
OBJECTIVE: To evaluate the prevalence of systemic and localized infection by Candida species and its possible association with demographic, clinical and laboratory manifestations and therapy in patients with rheumatic diseases taking TNF blockers. METHODS: Consecutive patients with rheumatic diseases receiving anti-TNF agents were included. The following risk factors up to four weeks prior to the study were analyzed: use of antibiotics, immunosuppressant drugs, hospitalization and invasive procedures...
November 2016: Revista Brasileira de Reumatologia
https://www.readbyqxmd.com/read/27914456/microbiota-induces-expression-of-tumor-necrosis-factor-in-postnatal-mouse-skin
#3
D V Yuzhakova, M V Shirmanova, A A Bocharov, I V Astrakhantseva, E A Vasilenko, E N Gorshkova, M S Drutskaya, E V Zagaynova, S A Nedospasov, A A Kruglov
Tumor necrosis factor (TNF) is a pleiotropic cytokine that regulates many important processes in the body. TNF production in a physiological state supports the structure of lymphoid organs and determines the development of lymphoid cells in hematopoiesis. However, chronic TNF overexpression leads to the development of various autoimmune disorders. Sites of TNF production in the naïve state remain unclear due to the lack of in vivo models. In the present study, we used TNF-2A-Kat reporter mice to monitor the expression of TNF in different tissues...
November 2016: Biochemistry. Biokhimii︠a︡
https://www.readbyqxmd.com/read/27913240/activity-of-vancomycin-release-from-bioinspired-coatings-of-hydroxyapatite-or-tio2-nanotubes
#4
Daniela Ionita, Daniela Bajenaru-Georgescu, Georgeta Totea, Anca Mazare, Patrik Schmuki, Ioana Demetrescu
Herein we investigate the efficiency of various biomimetic coatings for localized drug delivery, using vancomycin as key therapeutic drug, which is a widely used antibiotic for the treatment of strong infections caused by positive Gram bacteria. We evaluate classical hydroxyapatite and biomimetic hydroxyapatite-collagen coatings obtained by electrochemical deposition as well as TiO2 nanotubes arrays obtained by electrochemical anodization. Surface morphology, compositional and structural data confirm the incorporation of vancomycin into the layers and drug release profiles for vancomycin evaluate their release ability...
November 29, 2016: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/27912130/acidity-triggered-charge-convertible-nanoparticles-that-can-cause-bacterium-specific-aggregation-in-situ-to-enhance-photothermal-ablation-of-focal-infection
#5
Chiranjeevi Korupalli, Chieh-Cheng Huang, Wei-Chih Lin, Wen-Yu Pan, Po-Yen Lin, Wei-Lin Wan, Meng-Ju Li, Yen Chang, Hsing-Wen Sung
Focal infections that are caused by antibiotic-resistant bacteria are becoming an ever-growing challenge to human health. To address this challenge, a pH-responsive amphiphilic polymer of polyaniline-conjugated glycol chitosan (PANI-GCS) that can self-assemble into nanoparticles (NPs) in situ is developed. The PANI-GCS NPs undergo a unique surface charge conversion that is induced by their local pH, favoring bacterium-specific aggregation without direct contact with host cells. Following conjugation onto GCS, the optical-absorbance peak of PANI is red-shifted toward the near-infrared (NIR) region, enabling PANI-GCS NPs to generate a substantial amount of heat, which is emitted to their neighborhood...
November 24, 2016: Biomaterials
https://www.readbyqxmd.com/read/27906436/iliac-crest-bone-graft-a-23-years-hystory-of-infection-at-donor-site-in-vertebral-arthrodesis-and-a-review-of-current-bone-substitutes
#6
L Babbi, G Barbanti-Brodano, A Gasbarrini, S Boriani
OBJECTIVE: This is an exemplary case report underlining a relevant morbidity which could be associated to the use of autologous iliac crest bone graft (ICBG) for spine fusion. CASE REPORT: Starting from 1990, a 25-years-old woman underwent two subsequent surgical treatments for non-Hodgkin lymphoma vertebral localizations. In the second surgery, arthrodesis was obtained with autograft through right posterior iliac crest osteotomy. During the chemotherapy treatment following the surgery, the patient suffered from infection at posterior iliac crest scar, the site of previous graft, caused by methicillin-resistant Staphylococcus aureus...
November 2016: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/27905668/subconjunctival-antimicrobial-poloxamer-gel-for-treatment-of-corneal-ulceration-in-stranded-california-sea-lions-zalophus-californianus
#7
Claire A Simeone, Carmen M H Colitz, Kathleen M Colegrove, Cara L Field, Carlos Rios, Heather L Chandler, Shawn P Johnson
OBJECTIVE: Corneal ulcers are commonly encountered in pinnipeds. Prolonged oral antibiotics and topical ophthalmic solutions may not be practical to administer, and novel treatment techniques are desired. Thermodynamic gels are a potential solution because they hold antimicrobials at the site of injection, slowly releasing drug. This study investigated the clinical efficacy of antibiotic-impregnated poloxamer gel in management of corneal ulceration. ANIMAL STUDIED: Twenty-six California sea lions undergoing rehabilitation at The Marine Mammal Center...
December 1, 2016: Veterinary Ophthalmology
https://www.readbyqxmd.com/read/27904224/estimation-of-drug-absorption-in-antibiotic-soaked-bone-grafts
#8
Manish Ramesh Shah, Rukesh R Patel, Randhirsinh V Solanki, Shailendra H Gupta
INTRODUCTION: There is paucity of literature about antibiotic uptake in bone grafts soaked in antibiotic solutions at room temperature in the operation theatre. We hypothesized that if bone grafts are dipped in different strengths of antibiotic solutions for sufficient period, their utilization at the target site helps in localized release of antibiotics in adequate inhibitory concentration to achieve the bacterial regression. The purpose of the study was to find out: (1) Optimum duration, strength, and volume of antibiotic solution required for dipping bone grafts at room temperature prior to the use...
November 2016: Indian Journal of Orthopaedics
https://www.readbyqxmd.com/read/27903458/cardiac-arrest-among-patients-with-infections-causes-clinical-practice-and-research-implications
#9
REVIEW
Davide Leoni, Jordi Rello
The incidence of sepsis is increasing, and the condition is now the leading cause of death in general intensive care units (ICUs). Our review failed to identify studies of the causes of cardiac arrest among infected patients, even though non-cardiac causes represent 15% of out-of-hospital cardiac arrests and though one-third of events have positive blood cultures. Sudden cardiac arrest is the result of local damage to the heart and of the impact of systemic and pulmonary conditions on cardiac performance, and its danger is underestimated...
November 26, 2016: Clinical Microbiology and Infection
https://www.readbyqxmd.com/read/27902387/characterization-of-methicillin-resistant-staphylococcus-aureus-isolated-at-tripoli-medical-centre-libya-between-2008-and-2014
#10
Elloulu BenDarif, Asma Khalil, Abdunnabi Rayes, Emad Bennour, Abdulgader Dhawi, John J Lowe, Shawn Gibbs, Richard V Goering
Bacterial pathogens such as methicillin-resistant Staphylococcus aureus (MRSA) represent a well-known public health problem affecting both healthcare-associated and community populations. Past studies have clearly shown the value of characterizing problem organisms including MRSA through the use of molecular techniques (i.e., strain typing), with the aim of informing local, regional, and national efforts in epidemiological analysis and infection control. The country of Libya represents a challenge for such analysis due to limited historical infectious disease information and major political unrest culminating in the Libyan Civil War (Libyan Revolution) in 2011...
November 1, 2016: Journal of Medical Microbiology
https://www.readbyqxmd.com/read/27899697/sudden-death-of-a-child-due-to-pyogenic-bacterial-myocarditis
#11
Asit K Sikary, Asit R Mridha, Chittaranjan Behera
Bacterial myocarditis is an uncommon condition and only a few fatal cases in adults are reported in the scientific literature. Death from acute bacterial myocarditis in children is extremely rare. We report an unusual case of fatal bacterial myocarditis in a seven-year-old girl, who had a history of cough for a month and fever for two days. She was given symptomatic treatment by a local physician without suspecting her clinical condition. Her condition rapidly deteriorated and she was brought in dead to the hospital...
November 28, 2016: Medico-legal Journal
https://www.readbyqxmd.com/read/27899074/antibiotic-resistance-and-clonal-diversity-of-invasive-staphylococcus-aureus-in-the-rural-ashanti-region-ghana
#12
Denise Dekker, Manuel Wolters, Eva Mertens, Kennedy Gyau Boahen, Ralf Krumkamp, Daniel Eibach, Norbert G Schwarz, Yaw Adu-Sarkodie, Holger Rohde, Martin Christner, Florian Marks, Nimako Sarpong, Jürgen May
BACKGROUND: Staphylococcus aureus is among the most common pathogens isolated from blood cultures in Ghana; yet the epidemiology of blood infections in rural settings is poorly described. This study aims to investigate antimicrobial susceptibility and clonal diversity of S. aureus causing bloodstream infections in two hospitals in the Ashanti Region, Ghana. METHODS: Blood cultures were performed for all febrile patients (≥37.5 °C) on hospital admission. Antibiotic susceptibility testing for S...
November 29, 2016: BMC Infectious Diseases
https://www.readbyqxmd.com/read/27894964/approach-to-osteomyelitis-treatment-with-antibiotic-loaded-pmma
#13
REVIEW
Wentao Zhang, Guangyu Lei, Yang Liu, Wei Wang, Tao Song, Jinzhu Fan
BACKGROUND: To reduce the incidence of osteomyelitis infection, local antibiotic impregnated delivery systems are commonly used as a promising and effective approach to deliver high antibiotic concentrations at the infection site. OBJECTIVE: The objective of this review was to provide a literature review regarding approach to osteomyelitis treatment with antibiotic loaded PMMA. STUDY DESIGN: Literature study regarding osteomyelitis treatment with antibiotic loaded carriers using key terms Antibiotic, osteomyelitis, biodegradable PMMA through published articles...
November 26, 2016: Microbial Pathogenesis
https://www.readbyqxmd.com/read/27894288/bactericidal-and-antioxidant-properties-of-essential-oils-from-the-fruits-dennettia-tripetala-g-baker
#14
Sunday O Okoh, Benson C Iweriegbor, Omobola O Okoh, Uchechukwu U Nwodo, Anthony I Okoh
BACKGROUND: The antibacterial and antioxidant properties of the essential oils (EOs) of unripe and ripe fruits of Dennettia tripetala and their potential for the management of infectious and oxidative-stress diseases were investigated in-vitro in this study. METHOD: Essential oil obtained from the fruit in Clevenger modified apparatus, was characterized by high resolution GC-MS, while antioxidant and antibacterial properties were tested by spectrophotometric and agar diffusion methods respectively...
November 28, 2016: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/27893682/peritoneal-dialysis-related-peritonitis-due-to-halomonas-hamiltonii-a-first-case-report
#15
Se Hwan Yeo, Jae Hoon Kwak, Yeo Un Kim, Jin Suk Lee, Hyo Jin Kim, Kyoung Hwa Park, Jung Sook Lee, Gyoung Yim Ha, Jeong Ho Lee, Jun Yeop Lee, Kyung Don Yoo
INTRODUCTION: Halomonas hamiltonii is a Gram-negative, halophilic, motile, and nonspore-forming rod bacterium. Although most Halomonas sp. are commonly found in saline environments, it has rarely been implicated as a cause of human infection. Herein, the authors present a case report of continuous ambulatory peritoneal dialysis (CAPD)-related peritonitis attributed to H hamiltonii. CASE PRESENTATION: An 82-year-old male patient who had been receiving CAPD therapy presented to an emergency department with complaints of abdominal pain and cloudy dialysate that had persisted for 2 days...
November 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27892654/injectable-polysaccharide-hydrogels-as-biocompatible-platforms-for-localized-and-sustained-delivery-of-antibiotics-for-preventing-local-infections
#16
Ziyi Li, Chaoliang He, Baoming Yuan, Xiaoming Dong, Xuesi Chen
Biocompatible and antibacterial hydrogels have received increasing attention for preventing local bacterial infections. In this study, a type of polysaccharide hydrogels is prepared via the Schiff-based reaction at physiological conditions. The gelation time and mechanical property of the hydrogels are found to be dependent on the polysaccharide concentration and the polysaccharide weight ratio. 3-(4,5-Dimethyl-thiazol-2-yl)-2,5-diphenyl tetrazolium bromide assay and live/dead assay indicate that the hydrogels display nontoxicity in vitro...
November 28, 2016: Macromolecular Bioscience
https://www.readbyqxmd.com/read/27891122/membrane-active-epithelial-keratin-6a-fragments-kamps-are-unique-human-antimicrobial-peptides-with-a-non-%C3%AE-%C3%AE-structure
#17
Judy T Y Lee, Guangshun Wang, Yu Tong Tam, Connie Tam
Antibiotic resistance is a pressing global health problem that threatens millions of lives each year. Natural antimicrobial peptides and their synthetic derivatives, including peptoids and peptidomimetics, are promising candidates as novel antibiotics. Recently, the C-terminal glycine-rich fragments of human epithelial keratin 6A were found to have bactericidal and cytoprotective activities. Here, we used an improved 2-dimensional NMR method coupled with a new protocol for structural refinement by low temperature simulated annealing to characterize the solution structure of these kerain-derived antimicrobial peptides (KAMPs)...
2016: Frontiers in Microbiology
https://www.readbyqxmd.com/read/27890562/tailor-made-fibroblast-specific-and-antibiotic-free-interleukin-12-plasmid-for-gene-electrotransfer-mediated-cancer-immunotherapy
#18
Urska Kamensek, Natasa Tesic, Gregor Sersa, Spela Kos, Maja Cemazar
Electrotransfer mediated delivery of interleukin-12 (IL-12) gene, encoded on a plasmid vector, has already been demonstrated to have a potent antitumor efficacy and great potential for clinical application. In the present study, our aim was to construct an optimized IL-12-encoding plasmid that is safe from the regulatory point of view. In light of previous studies demonstrating that IL-12 should be released in a tumor localized manner for optimal efficacy, the strong ubiquitous promoter was replaced with a weak endogenous promoter of the collagen 2 gene, which is specific for fibroblasts...
November 24, 2016: Plasmid
https://www.readbyqxmd.com/read/27884774/esponsive-multifunctional-drug-delivery-nanoparticles-for-elastic-matrix-regenerative-repair
#19
Balakrishnan Sivaraman, Ganesh Swaminathan, Lee Moore, Jonathan Fox, Dhruv Seshadri, Shataakshi Dahal, Ivan Stoilov, Maciej Zborowski, Robert Mecham, Anand Ramamurthi
: Arresting or regressing growth of abdominal aortic aneurysms (AAAs), localized expansions of the abdominal aorta are contingent on inhibiting chronically overexpressed matrix metalloproteases (MMPs)-2 and -9 that disrupt elastic matrix within the aortic wall, concurrent with providing a stimulus to augmenting inherently poor auto-regeneration of these matrix structures. In a recent study we demonstrated that localized, controlled and sustained delivery of doxycycline (DOX; a tetracycline-based antibiotic) from poly(lactic-co-glycolic acid) nanoparticles (PLGA NPs), enhances elastic matrix deposition and MMP-inhibition at a fraction of the therapeutically effective oral dose...
November 21, 2016: Acta Biomaterialia
https://www.readbyqxmd.com/read/27882681/general-practice-consultations-diagnostic-investigations-and-prescriptions-in-the-year-preceding-a-lung-cancer-diagnosis
#20
Louise M Guldbrandt, Henrik Møller, Erik Jakobsen, Peter Vedsted
Patterns of general practice utilization in the period before lung cancer (LC) diagnosis may provide new knowledge to ensure timelier and earlier diagnosis of LC. This study aimed to explore the prediagnostic activity in general practice in the year preceding LC diagnosis. The activity was compared to a matched comparison group. We compared LC patients with different stage, and patients with and without chronic obstructive pulmonary disease (COPD). Using Danish registers, we performed a population-based matched cohort study including lung cancer patients (n = 34,017) and matched comparison subjects (n = 340,170)...
November 23, 2016: Cancer Medicine
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