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https://www.readbyqxmd.com/read/29046011/-biomarkers-in-diagnosis-treatment-and-prognosis-of-infectious-lung-diseases
#1
M Unnewehr, M Kolditz, W Windisch, B Schaaf
Biomarkers play an important role in the management of infectious pulmonary diseases, even though there is only limited evidence that biomarker-guided therapies are superior to clinical strategies.Well-established indications for the use of biomarkers are the guidance of the duration of antibiotic therapy in community-acquired pneumonia (CAP) by PCT, the decision against the use of antibiotics by CRP or PCT in ambulatory settings, and the evaluation of CAP treatment by CRP or PCT kinetics.In the prognostic assessment of CAP, the standard biomarkers of acute organ dysfunction should be given priority, e...
October 18, 2017: Pneumologie
https://www.readbyqxmd.com/read/29046006/-skin-and-soft-tissue-infections-due-to-corynebacterium-ulcerans-case-reports
#2
Christian Jenssen, Ilona Schwede, Volker Neumann, Cristine Pietsch, Werner Handrick
History and clinical findings We report on three patients suffering from skin and soft tissue infections of the legs due to toxigenic Corynebacterium ulcerans strains. In all three patients, there was a predisposition due to chronic diseases. Three patients had domestic animals (cat, dog) in their households. Investigations and diagnosis A mixed bacterial flora including Corynebacterium ulcerans was found in wound swab samples. Diphtheric toxin was produced by the Corynebacterium ulcerans strains in all three cases...
October 2017: Deutsche Medizinische Wochenschrift
https://www.readbyqxmd.com/read/29045123/polymyxin-b3-tobramycin-hybrids-with-pseudomonas-aeruginosa-selective-antibacterial-activity-and-strong-potentiation-of-rifampicin-minocycline-and-vancomycin
#3
Ronald Domalaon, Xuan Yang, Yinfeng Lyu, George G Zhanel, Frank M Schweizer
There is an urgent need to develop novel antibacterial agents able to eradicate drug-resistant Gram-negative pathogens such as Pseudomonas aeruginosa. Antimicrobial hybrids have emerged as a promising strategy to combat bacterial resistance, as a stand-alone drug but also as an adjuvant in combination with existing antibiotics. Herein, we report for the first time the synthesis and biological evaluation of polymyxin-aminoglycoside heterodimers composing of polymyxin B3 covalently linked to tobramycin via an aliphatic hydrocarbon linker...
October 18, 2017: ACS Infectious Diseases
https://www.readbyqxmd.com/read/29045009/trends-in-non-lactation-breast-abscesses-in-a-tertiary-hospital-setting
#4
Apoorva Saboo, Ian Bennett
BACKGROUND: The aim of this paper was to retrospectively review non-lactation breast abscesses treated in Princess Alexandra Hospital over a 10-year period and to illustrate the trends in size, risk factors, microbiological profile and management. METHODS: A computerized search of the medical records was undertaken to identify all adult patients with a diagnosis of breast abscesses during June 2005-June 2015. Patients concurrently breastfeeding were excluded. A retrospectively review of the clinical records was performed...
October 18, 2017: ANZ Journal of Surgery
https://www.readbyqxmd.com/read/29044001/vitrectomy-combined-with-intracular-drug-injection-on-treatment-of-endophthalmitis
#5
Lijuan Wei, Jinsong Zhang, Lixiao Zhou
This paper aimed to evaluate the clinical application value of vitrectomy combined with intraocular drug injection on treatment of severe endophthalmitis. Retrospective analyzed the 28 eyes for the 28 cases of patients suffering severe endophthalmitis, and with treatment of pars plana vitrectomy combined with intraocular drug injection, and foreign matter removal surgery. This study also analyzed the whole body and local application of antibiotics data, and clinical data of corticosteroid drug treatment. This study had followed up 6 to 12 months, 28 intraocular infected eyes of the 28 cases all had got controlled...
July 2017: Pakistan Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/29043383/determination-of-heme-in-microorganisms-using-hplc-ms-ms-and-cobalt-iii-protoporphyrin-ix-inhibition-of-heme-acquisition-in-escherichia-coli
#6
Jonas Fyrestam, Conny Östman
One of the main threats to the achievements in modern medicine is antimicrobial resistance. Molecular targeting of bacterial acquisition mechanisms of heme has been suggested to be an alternative to antibiotics. In the present study, HPLC-MS/MS combined with a simple clean-up based on liquid-liquid extraction has been developed and evaluated for simultaneous determination of heme and porphyrin heme precursors in microorganisms. Experimental design was used to optimize the extraction parameters, to obtain a method with high recovery, low matrix effects, and high precision...
October 17, 2017: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/29043145/anca-associated-pauci-immune-glomerulonephritis-in-a-patient-with-bacterial-endocarditis-a-challenging-clinical-dilemma
#7
Andrea Cervi, Dylan Kelly, Iakovina Alexopoulou, Nader Khalidi
PURPOSE: We report the case of a 59-year-old man with chronic hepatitis B and C infection presenting with acute kidney injury and enterococcus faecalis-infective endocarditis (IE). An elevated proteinase-3 (PR3)-ANCA and pauci-immune glomerulonephritis (GN) on renal biopsy were discovered, corresponding to ANCA-mediated GN. We conducted a literature review to assess the role of ANCA in IE and treatment implications. METHODS: On systematic review of the literature, we found five previous cases whereby IE caused by streptococcus and bartonella species were related to ANCA vasculitis-associated GN...
2017: Clin Nephrol Case Stud
https://www.readbyqxmd.com/read/29042719/a-novel-conservative-approach-combining-sealbio-and-surgical-fenestration-for-healing-of-large-periapical-cystic-lesions-of-endodontic-origin-a-pilot-study
#8
Naseem Shah
OBJECTIVES: To evaluate the treatment outcome of large periapical cystic lesions treated by combining two novel, conservative approaches, "SealBio" and "Surgical Fenestration". MATERIALS AND METHODS: Five cases (4M:1F, age range 14-38 years, mean age 24.5 years) of large periapical cystic lesions, diagnosed on clinical and radiographic examination, were included in the study. After informed consent, endodontic treatment was initiated; chemo-mechanical preparation and intra-canal dressing of calcium hydroxide was given...
July 2017: Contemporary Clinical Dentistry
https://www.readbyqxmd.com/read/29040287/antimicrobial-activity-of-carbon-monoxide-releasing-molecule-mn-co-3-tpa-%C3%AE%C2%BA3n-br-versus-multidrug-resistant-isolates-of-avian-pathogenic-escherichia-coli-and-its-synergy-with-colistin
#9
Jonathan Betts, Christopher Nagel, Ulrich Schatzschneider, Robert Poole, Robert M La Ragione
Antimicrobial resistance is a growing global concern in human and veterinary medicine, with an ever-increasing void in the arsenal of clinicians. Novel classes of compounds including carbon monoxoide-releasing molecules (CORMs), for example the light-activated metal complex [Mn(CO)3(tpa-κ3N)]Br, could be used as alternatives/to supplement traditional antibacterials. Avian pathogenic Escherichia coli (APEC) represent a large reservoir of antibiotic resistance and can cause serious clinical disease in poultry, with potential as zoonotic pathogens, due to shared serotypes and virulence factors with human pathogenic E...
2017: PloS One
https://www.readbyqxmd.com/read/29039211/synergistic-effects-of-heat-and-antibiotics-on-pseudomonas-aeruginosa-biofilms
#10
Erica B Ricker, Eric Nuxoll
Upon formation of a biofilm, bacteria undergo several changes that prevent eradication with antimicrobials alone. Due to this resistance, the standard of care for infected medical implants is explantation of the infected implant and surrounding tissue, followed by eventual reimplantation of a replacement device. Recent studies have demonstrated the efficacy of heat shock for biofilm eradication. To minimize the heat required for in situ biofilm eradication, this study investigated the hypothesis that antibiotics, while ineffective by themselves, may substantially increase heat shock efficacy...
October 17, 2017: Biofouling
https://www.readbyqxmd.com/read/29038892/-pityriasis-amiantacea-and-folliculitis-decalvans-an-unusual-manifestation-associated-with-antitumor-necrosis-factor-%C3%AE-therapy
#11
M Zamperetti, B Zelger, R Höpfl
We report on a 21-year-old woman with a 3-year history of crusts and erosions on her scalp that had appeared after starting treatment with adalimumab due to Crohn's disease. By clinicopathological correlation pityriasis amiantacea with underlying folliculitis decalvans was diagnosed. Topical and systemic antibiotic treatment showed rapid response. The occurrence of pityriasis amiantacea in folliculitis decalvans associated with tumor necrosis factor (TNF)-α inhibitor therapy is remarkable and highlights the ambivalent role of TNF-α in diseases with immunological dysfunctions in combination with infections...
October 16, 2017: Der Hautarzt; Zeitschrift Für Dermatologie, Venerologie, und Verwandte Gebiete
https://www.readbyqxmd.com/read/29038577/morphology-engineering-of-streptomyces-coelicolor-m145-by-sub-inhibitory-concentrations-of-antibiotics
#12
Hu Wang, Guoping Zhao, Xiaoming Ding
Growth of Streptomyces in submerged culture is characterized by the formation of complex mycelial particles, known as pellets or clumps, which strongly influence antibiotic production. Also, many bioactive molecules produced by Streptomyces have great potential to modulate soil bacteria morphological development. However, there has been no effort directed at engineering mycelial morphology using these small molecules. Here, thiostrepton was identified, using a combination of qRT-PCR, semi-preparative HPLC, and MALDI-TOF MS, as a pellet-inducing compound produced by S...
October 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29038560/safety-assessment-of-antibiotic-and-probiotic-feed-additives-for-gallus-gallus-domesticus
#13
D P Neveling, L van Emmenes, J J Ahire, E Pieterse, C Smith, L M T Dicks
Antibiotics in feed select for resistant strains and is thus a threat to human health. In this study, the effect of a multi-strain probiotic and antibiotics on the growth and health of broilers was studied. Equal numbers of broilers received on a daily basis either a multi-strain probiotic or a combination of sulphadiazine, colistin and trimethoprim, whereas the control group received standard feed. The villi of immature broilers (19 days old) administered antibiotics had a larger surface area and their lymphocyte and basophil counts were higher compared to broilers from the probiotic and control groups...
October 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29038467/self-sensing-in-bacillus-subtilis-quorum-sensing-systems
#14
Tasneem Bareia, Shaul Pollak, Avigdor Eldar
Bacterial cell-cell signalling, or quorum sensing, is characterized by the secretion and groupwide detection of small diffusible signal molecules called autoinducers. This mechanism allows cells to coordinate their behaviour in a density-dependent manner. A quorum-sensing cell may directly respond to the autoinducers it produces in a cell-autonomous and quorum-independent manner, but the strength of this self-sensing effect and its impact on bacterial physiology are unclear. Here, we explore the existence and impact of self-sensing in the Bacillus subtilis ComQXP and Rap-Phr quorum-sensing systems...
October 16, 2017: Nature Microbiology
https://www.readbyqxmd.com/read/29038188/probiotics-administered-intravaginally-as-a-complementary-therapy-combined-with-antibiotics-for-the-treatment-of-bacterial-vaginosis-a-systematic-review-protocol
#15
Liyan Ma, Jianrong Su, Yanli Su, Wei Sun, Zhaoying Zeng
INTRODUCTION: Bacterial vaginosis (BV) is a highly prevalent vaginal polymicrobial disorder commonly encountered in women of childbearing age. Therapy with only recommended antibiotics results in low cure rates and unacceptably high recurrence rates. The use of probiotics as a complementary approach for use with antibiotics for the treatment of BV remains unclear. This review aims to assess the efficacy of lactobacilli administered intravaginally in conjunction with antibiotics for the treatment of BV...
October 15, 2017: BMJ Open
https://www.readbyqxmd.com/read/29038058/antimicrobial-and-synergistic-activity-of-essential-oils-of-aloysia-triphylla-and-lippia-alba-against-aeromonas-spp
#16
Renilde Cordeiro de Souza, Mateus Matiuzzi da Costa, Bernardo Baldisserotto, Berta Maria Heinzmann, Denise Schmidt, Braulio Otomar Caron, Carlos Eduardo Copatti
The objective of this study was to identify and quantify the chemical constituents, as well as the antimicrobial, antibiofilm and synergistic activity with florfenicol of essential oils of Aloysia triphylla (EOAT) and Lippia alba (EOLA) against Aeromonas spp. The antimicrobial activity of EOAT and EOLA was verified by the minimum bactericidal concentration (MBC) and the action against biofilm forming and consolidated biofilm. The synergistic activity of EOAT and EOLA with florfenicol was performed by the checkerboard technique...
October 13, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/29036953/-a-clinical-analysis-of-six-patients-with-brucella-endocarditis-and-literature-review
#17
L Luo, B T Zhou, H L Wang, H T Dou, T S Li
Objective: To analyze the epidemiology and clinical characteristics of patients with Brucella endocarditis in order to improve the understanding and treatment of Brucella endocarditis. Methods: The clinical data including demographic characteristics, clinical features, laboratory data, echocardiography, treatment and clinical outcome of 6 patients with Brucella endocarditis were collected and analyzed. Results: In our database consisting of 211 brucellosis patients with positive blood culture, 6 patients (2...
October 1, 2017: Zhonghua Nei Ke za Zhi [Chinese Journal of Internal Medicine]
https://www.readbyqxmd.com/read/29034855/bradyrhizobium-namibiense-sp-nov-a-symbiotic-nitrogen-fixing-bacterium-from-root-nodules-of-lablab-purpureus-hyacinth-bean-in-namibia
#18
Jann Lasse Grönemeyer, Wiebke Bünger, Barbara Reinhold-Hurek
Four strains of symbiotic bacteria from root nodules of hyacinth bean (Lablab purpureus (L.) Sweet) from Namibia were previously identified as a novel group within the genus Bradyrhizobium. To confirm their taxonomic status, these strains were further characterized by taking a polyphasic approach. The type strain possessed 16S rRNA gene sequences identical to Bradyrhizobium paxllaeri LMTR 21(T) and Bradyrhizobiumicense LMTR 13(T), the full-length sequences were identical to those retrieved from SAMN05230119 and SAMN05230120, respectively...
October 16, 2017: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/29034628/-screening-of-full-human-anthrax-lethal-factor-neutralizing-antibody-in-transgenic-mice
#19
Xiaolin Wang, Xiangyang Chi, Ju Liu, Weicen Liu, Shuling Liu, Shunfang Qiu, Zhonghua Wen, Pengfei Fan, Kun Liu, Xiaohong Song, Ling Fu, Jun Zhang, Changming Yu
Anthrax is a highly lethal infectious disease caused by the spore-forming bacterium Bacillus anthracis. The major virulence factor of B. anthracis consists of protective antigen (PA), lethal factor (LF) and edema factor (EF). PA binds with LF to form lethal toxin (LT), and PA binds with EF to form edema toxin (ET). Antibiotics is hard to work in advanced anthrax infections, because injuries and deaths of the infected are mainly caused by lethal toxin (LT). Thus, the therapeutic neutralizing antibody is the most effective treatment of anthrax...
November 25, 2016: Sheng Wu Gong Cheng Xue Bao, Chinese Journal of Biotechnology
https://www.readbyqxmd.com/read/29034431/cultivation-dependent-and-high-throughput-sequencing-approaches-studying-the-co-occurrence-of-antibiotic-resistance-genes-in-municipal-sewage-system
#20
An-Dong Li, Liping Ma, Xiao-Tao Jiang, Tong Zhang
During the past years, antibiotic-resistant bacteria (ARB) leading for the spreading of antibiotic resistance genes (ARGs) became a global problem, especially multidrug-resistant (MDR) bacteria are considered the prime culprit of antibiotic resistance. However, the correlation between the antibiotic-resistant phenotype and the ARG profiles remains poorly understood. In the present study, metagenomic functional screening and metagenomic analysis of coliforms were combined to explore the phenotype and genotype of the ARBs from municipal sewage...
October 15, 2017: Applied Microbiology and Biotechnology
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