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Antibiotic protocols

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https://www.readbyqxmd.com/read/27919900/n-acetyl-l-cysteine-and-cysteamine-new-strategies-against-mixed-biofilms-of-non-encapsulated-streptococcus-pneumoniae-and-non-typeable-haemophilus-influenzae
#1
Mirian Domenech, Ernesto García
Acute otitis media, a polymicrobial disease of the middle ear cavity of children, is a significant public health problem worldwide. It is most frequently caused by encapsulated Streptococcus pneumoniae and non-typeable Haemophilus influenzae, although the widespread use of pneumococcal conjugate vaccines is apparently producing an increase in carriage of non-encapsulated S. pneumoniae Frequently, pneumococci and H. influenzae live together in the human nasopharynx forming a self-produced biofilm. Biofilms represent a global medical challenge since the inherent antibiotic resistance of their producers demands the use of high doses of antibiotics over prolonged periods...
December 5, 2016: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/27918383/etiology-of-acute-otitis-media-in-children-less-than-5-years-of-age-a-pooled-analysis-of-10-similarly-designed-observational-studies
#2
Melissa K Van Dyke, Jean-Yves Pirçon, Robert Cohen, Shabir A Madhi, Andrés Rosenblüt, Mercedes Macias Parra, Khalid Al-Mazrou, Gerhard Grevers, Pio Lopez, Laura Naranjo, Felix Pumarola, Nuntigar Sonsuwan, William P Hausdorff
BACKGROUND: Acute otitis media (AOM) is an important cause of childhood morbidity and antibiotic prescriptions. However, the relative importance of the well-known otopathogens, Streptococcus pneumoniae (Spn) and Haemophilus influenzae (Hflu), remains unclear due to a limited number of tympanocentesis-based studies that vary significantly in populations sampled, case definitions, and heptavalent pneumococcal conjugate vaccine (PCV7-CRM) use. METHODS: We conducted a pooled analysis of results from ten AOM etiology studies of similar design the protocols of which were derived from a common protocol and conducted in children 3 months to 5 years of age in different countries...
November 30, 2016: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/27918222/prevalence-of-trachoma-in-gambella-region-ethiopia-results-of-three-population-based-prevalence-surveys-conducted-with-the-global-trachoma-mapping-project
#3
Aida Abashawl, Colin Macleod, John Riang, Ferede Mossisa, Michael Dejene, Rebecca Willis, Rebecca M Flueckiger, Alexandre L Pavluck, Addisu Tadesse, Tesfaye Haileselassie Adera, Anthony W Solomon
PURPOSE: In Ethiopia, trachoma is a major public health problem, accounting for 11.5% of all cases of blindness. In Gambella, one of the country's most remote regions, the 2005-2006 National Survey of Blindness, Low Vision and Trachoma estimated a region-level prevalence of active trachoma of 19.1% in those aged 1-9 years. Detailed district or sub-regional level estimates are required to implement interventions. METHODS: Population-based prevalence surveys were carried out following a 2-stage cluster random sampling methodology and Global Trachoma Mapping Project protocols...
December 5, 2016: Ophthalmic Epidemiology
https://www.readbyqxmd.com/read/27917769/risk-factors-for-unsuccessful-lumbar-puncture-in-children
#4
C Procter, H Buys, H Carrara, J Thomas
BACKGROUND: This descriptive study provides the first information on an association between the use of sedation and a reduction in the prevalence of unsuccessful lumbar puncture (LP) in African children of all races. OBJECTIVE: Our hypothesis was that children who do not receive any procedural sedation are more likely to have unsuccessful LPs. METHODS: A cross-sectional observational study examined LPs performed from February to April 2013, including details of the procedure, sedation or analgesia used, and techniques...
December 1, 2016: South African Medical Journal, Suid-Afrikaanse Tydskrif Vir Geneeskunde
https://www.readbyqxmd.com/read/27915255/theoretical-and-experimental-evidence-for-eliminating-persister-bacteria-by-manipulating-killing-timing
#5
N G Cogan, H Rath, N Kommerein, S N Stumpp, M Stiesch
Formation of a transient sub-population of bacteria, referred to as persisters, is one of the most important and least understood mechanisms that bacteria employ to evade elimination. Persister cells appear to be slow growing bacteria that are broadly protected from a wide range of antibiotics. Using both theoretical and experimental methods, we show that alternating the application and withdrawal of antibiotics can be an effective treatment - as long as the timing of the protocol is estimated with precision...
December 2, 2016: FEMS Microbiology Letters
https://www.readbyqxmd.com/read/27914764/enhanced-recovery-pathway-in-patients-undergoing-distal-pancreatectomy-a-case-matched-study
#6
Nicolò Pecorelli, Giovanni Capretti, Gianpaolo Balzano, Renato Castoldi, Marianna Maspero, Luigi Beretta, Marco Braga
BACKGROUND: Enhanced recovery (ER) pathways have improved outcomes across multiple surgical specialties, but reports concerning their application in distal pancreatectomy (DP) are lacking. The aim of this study was to assess compliance with an ER protocol and its impact on short-term outcomes in patients undergoing DP. METHODS: Prospectively collected data were reviewed. One hundred consecutive patients undergoing DP were treated within an ER pathway comprising 18 care elements...
November 30, 2016: HPB: the Official Journal of the International Hepato Pancreato Biliary Association
https://www.readbyqxmd.com/read/27914086/killing-bacteria-with-cytotoxic-effector-proteins-of-human-killer-immune-cells-granzymes-granulysin-and-perforin
#7
Diego López León, Isabelle Fellay, Pierre-Yves Mantel, Michael Walch
Bacterial pathogens represent a constant threat to human health that was exacerbated in recent years by a dramatic increase of strains resistant to last resort antibiotics. The immune system of higher vertebrates generally evolved several efficient innate and adaptive mechanisms to fight ubiquitous bacterial pathogens. Among those mechanisms, immune proteases were recognized to contribute essentially to antibacterial immune defense. The effector serine proteases of the adaptive immune system, the granzymes, exert potent antimicrobial activity when they are delivered into the bacterial cytosol by prokaryotic membrane disrupting proteins, such as granulysin...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27914058/osprey-predicts-resistance-mutations-using-positive-and-negative-computational-protein-design
#8
Adegoke Ojewole, Anna Lowegard, Pablo Gainza, Stephanie M Reeve, Ivelin Georgiev, Amy C Anderson, Bruce R Donald
Drug resistance in protein targets is an increasingly common phenomenon that reduces the efficacy of both existing and new antibiotics. However, knowledge of future resistance mutations during pre-clinical phases of drug development would enable the design of novel antibiotics that are robust against not only known resistant mutants, but also against those that have not yet been clinically observed. Computational structure-based protein design (CSPD) is a transformative field that enables the prediction of protein sequences with desired biochemical properties such as binding affinity and specificity to a target...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27911391/a-murine-model-of-group-b-streptococcus-vaginal-colonization
#9
Kathryn A Patras, Kelly S Doran
Streptococcus agalactiae (group B Streptococcus, GBS), is a Gram-positive, asymptomatic colonizer of the human gastrointestinal tract and vaginal tract of 10 - 30% of adults. In immune-compromised individuals, including neonates, pregnant women, and the elderly, GBS may switch to an invasive pathogen causing sepsis, arthritis, pneumonia, and meningitis. Because GBS is a leading bacterial pathogen of neonates, current prophylaxis is comprised of late gestation screening for GBS vaginal colonization and subsequent peripartum antibiotic treatment of GBS-positive mothers...
November 16, 2016: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/27907030/sensitive-and-simplified-detection-of-antibiotic-influence-on-the-dynamic-and-versatile-changes-of-fecal-short-chain-fatty-acids
#10
Xiaoya Zhao, Zhenzuo Jiang, Fan Yang, Yan Wang, Xiumei Gao, Yuefei Wang, Xin Chai, Guixiang Pan, Yan Zhu
Short-chain fatty acids (SCFAs), produced by anaerobic fermentation of mainly indigestible dietary carbohydrates by gut microbiota, have a profound influence on intestinal function and host energy metabolism. Antibiotics may seriously disturb the balance of fecal SCFAs. To evaluate the impacts of antibiotics on fecal SCFAs produced by gut microbiota, a simple, reproducible and accurate gas chromatography (GC) method, which can simultaneously analyze seven SCFAs in fecal samples, was developed and validated...
2016: PloS One
https://www.readbyqxmd.com/read/27907029/long-term-stable-and-tightly-controlled-expression-of-recombinant-proteins-in-antibiotics-free-conditions
#11
Soo-Jin Yeom, Dae-Hee Lee, Yu Jung Kim, Jeongmin Lee, Kil Koang Kwon, Gui Hwan Han, Haseong Kim, Hak-Sung Kim, Seung-Goo Lee
Plasmid-based gene expression is a fundamental tool in the field of biotechnology. However, overexpression of genes of interest with multi-copy plasmids often causes detrimental effects on host cells. To overcome this problem, chromosomal integration of target genes has been used for decades; however, insufficient protein expression occurred with this method. In this study, we developed a novel cloning and expression system named the chromosomal vector (ChroV) system, that has features of stable and high expression of target genes on the F' plasmid in the Escherichia coli JM109(DE3) strain...
2016: PloS One
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
#12
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/27905884/the-efficacy-of-pivmecillinam-3%C3%A2-days-or-5%C3%A2-days%C3%A2-t-i-d-against-community-acquired-uncomplicated-lower-urinary-tract-infections-a-randomized-double-blinded-placebo-controlled-clinical-trial-study-protocol
#13
Filip Jansåker, Niels Frimodt-Møller, Lars Bjerrum, Jenny Dahl Knudsen
BACKGROUND: Uncomplicated lower urinary tract infections (LUTI) are very common, and presumably around 200,000 female patients are treated for this annually in Denmark. The current Danish national clinical practice guidelines recommend pivmecillinam as a first-line drug (i.e., 400 mg t.i.d. for 3 days). Pivmecillinam is also one of the first-line drugs recommended in the international guidelines for LUTIs (i.e., 400 mg b.i.d. for 5 days). The international recommended duration is based on evidence saying that a 7-day regimen is better than a 3-day regimen...
December 1, 2016: BMC Infectious Diseases
https://www.readbyqxmd.com/read/27900630/current-delivery-of-hyperthermic-intraperitoneal-chemotherapy-with-cytoreductive-surgery-cs-hipec-and-perioperative-practices-an-international-survey-of-high-volume-surgeons
#14
Allison H Maciver, Eisar Al-Sukhni, Jesus Esquivel, Joseph J Skitzki, John M Kane, Valerie A Francescutti
BACKGROUND: Cytoreductive surgery and heated intraperitoneal chemotherapy (CS/HIPEC) is performed for selected indications at a limited number of specialized centers worldwide. Currently there is no standardized approach to the perioperative care process. We sought to capture current practices in the perioperative management of patients who undergo CS/HIPEC at high-volume centers. METHODS: Surgeon members of the American Society of Peritoneal Surface Malignancies working at high-volume CS/HIPEC centers (>10 cases/year) were invited to complete an online survey...
November 29, 2016: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/27899307/viruses-bystanders-of-periodontal-disease
#15
REVIEW
Titiksha Aggarwal, Arundeep Kaur Lamba, Farrukh Faraz, Shruti Tandon
Bacterial etiology of periodontal disease is an established fact today. However, despite advances in the field of pharmacology with advent of newer and better antibiotics prevalence of the disease could not be abated. Moreover, unpredictable remissions and indefinite pattern in a single host force us to go back to the exact etiology of the disease. Present is a short review highlighting the role and plausible mechanisms by which viruses can affect the development of periodontal disease. This broadens our concept and will help establish a better treatment protocol for periodontal disease...
November 27, 2016: Microbial Pathogenesis
https://www.readbyqxmd.com/read/27899130/antibiotic-prophylaxis-in-reduction-mammaplasty-study-protocol-for-a-randomized-controlled-trial
#16
Edgard Silva Garcia, Daniela Francescato Veiga, Joel Veiga-Filho, Isaías Vieira Cabral, Natália Lana Larcher Pinto, Neil Ferreira Novo, Miguel Sabino Neto, Lydia Masako Ferreira
BACKGROUND: The role of antibiotics in surgical procedures where the risk of surgical site infection (SSI) is low remains uncertain. There is, to date, no evidence to justify the routine use of antibiotics in postoperative reduction mammaplasty. The aim of this study is to evaluate the effect of postoperative antibiotic treatment on the occurrence of SSI after breast reduction surgery. METHODS: This is a double-blind randomized clinical trial with 124 breast hypertrophy patients allocated to two treatment groups: antibiotic (n = 62) and placebo (n = 62)...
November 30, 2016: Trials
https://www.readbyqxmd.com/read/27898166/neither-10-nor-14-day-sequential-treatment-is-better-than-standard-triple-therapy-for-helicobacter-pylori-eradication
#17
Emanuel Warrington, Orlando López-Román, Rafael Tirado Montijo, Rafael Urbina, Marcia Cruz-Correa, Doris H Toro
OBJECTIVE: Helicobacter pylori is a bacterial pathogen associated with chronic gastritis, peptic ulcer disease, gastric adenocarcinoma, and gastric mucosa associated lymphoid tissue lymphoma. Current treatment guidelines support a 7- to 14-day, triple-drug protocol consisting of a proton-pump inhibitor (PPI), clarithromycin, and either amoxicillin or an imidazole. The initial eradication rates for this regimen were 80 to 90%. Nevertheless its effectiveness has declined as the antibiotic resistance to clarithromycin and metronidazole has emerged...
December 2016: Puerto Rico Health Sciences Journal
https://www.readbyqxmd.com/read/27896778/lab-on-a-chip-multiplex-assays
#18
Harald Peter, Julia Wienke, Frank F Bier
Lab-on-a-chip multiplex assays allow a rapid identification of multiple parameters in an automated manner. Here we describe a lab-based preparation followed by a rapid and fully automated DNA microarray hybridization and readout in less than 10 min using the Fraunhofer in vitro diagnostics (ivD) platform to enable rapid identification of bacterial species and detection of antibiotic resistance. The use of DNA microarrays allows a fast adaptation of new biomarkers enabling the identification of different genes as well as single-nucleotide-polymorphisms (SNPs) within these genes...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27893543/changes-in-intestinal-microbiota-following-combination-therapy-with-fecal-microbial-transplantation-and-antibiotics-for-ulcerative-colitis
#19
Dai Ishikawa, Takashi Sasaki, Taro Osada, Kyoko Kuwahara-Arai, Keiichi Haga, Tomoyoshi Shibuya, Keiichi Hiramatsu, Sumio Watanabe
BACKGROUND: Fecal microbiota transplantation (FMT) is a potential therapeutic approach to restore normal intestinal microbiota in patients with ulcerative colitis (UC), which is associated with dysbiosis; however, treatment efficacy remains unclear. Hence, we studied the impact of antibiotic pretreatment with amoxicillin, fosfomycin, and metronidazole (AFM therapy) and FMT versus AFM alone. METHODS: AFM therapy was administered to patients for 2 weeks until 2 days before FMT...
November 22, 2016: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/27892627/withdrawn-pulp-management-for-caries-in-adults-maintaining-pulp-vitality
#20
REVIEW
Hiroshi Miyashita, Helen V Worthington, Alison Qualtrough, Alphons Plasschaert
BACKGROUND: There is a range of treatment options for the management of the pulp in extensively decayed teeth. These include direct and indirect pulp capping, pulpotomy or pulpectomy. If the tooth is symptomatic or if there are periapical bone changes, then endodontic treatment is required. However, if the tooth is asymptomatic but the caries is extensive, there is no consensus as to the best method of management. In addition, there has been a recent move towards using alternative materials and methods such as the direct or indirect placement of bonding agents and mineral trioxide aggregate...
November 28, 2016: Cochrane Database of Systematic Reviews
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