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Antimicrobial therapy

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https://www.readbyqxmd.com/read/28088439/antimicrobial-activity-of-photodynamic-therapy-in-combination-with-colistin-against-a-pan-drug-resistant-acinetobacter-baumannii-isolated-from-burn-patient
#1
Ebrahim Boluki, Hossein Kazemian, Hadi Peeridogaheh, Mohammad Yousef Alikhani, Sima Shahabi, Leili Beytollahi, Roghayeh Ghorbanzadeh
Nosocomially-acquired multi-, extensively-, and pandrug resistant (MDR, XDR, and PDR) strains of microorganisms such as Acinetobacter baumannii remain a serious cause of infection and septic mortality in burn patients. Treatment of patients with nosocomial burn wound infections is often complicated by drug-resistant strains of A. baumannii. Today, many researchers are focusing on the investigation of novel non-antibiotic strategies such as photodynamic therapy (PDT). We report a new PDT strategy that suppresses colistin resistance in PDR A...
January 11, 2017: Photodiagnosis and Photodynamic Therapy
https://www.readbyqxmd.com/read/28087949/the-vaginal-microbiota-and-urinary-tract-infection
#2
Ann E Stapleton
The vagina is a key anatomical site in the pathogenesis of urinary tract infection (UTI) in women, serving as a potential reservoir for infecting bacteria and a site at which interventions may decrease the risk of UTI. The vaginal microbiota is a dynamic and often critical factor in this pathogenic interplay, because changes in the characteristics of the vaginal microbiota resulting in the loss of normally protective Lactobacillus spp. increase the risk of UTI. These alterations may result from the influence of estrogen deficiency, antimicrobial therapy, contraceptives, or other causes...
December 2016: Microbiology Spectrum
https://www.readbyqxmd.com/read/28087472/extract-of-clinopodium-bolivianum-protects-against-e-coli-invasion-of-uroepithelial-cells
#3
Soumitra Mohanty, Witchuda Kamolvit, Silvia Zambrana, Corine Sandström, Eduardo Gonzales, Claes-Göran Östenson, Annelie Braunerf
ETHNOPHARMACOLOGICAL RELEVANCE: Clinopodium bolivianum is a South American plant with anti-inflammatory and anti-infective activities. The increasing antibiotic resistance urges for alternative therapy. Based on its use in traditional medicine, we investigated the effect of C. bolivianum on the ability to defend bladder epithelial cells from E. coli infection. MATERIALS AND METHODS: The extract was analysed by LC-MS. Bladder epithelial cell lines T24 and 5637 and uropathogenic E...
January 10, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28086849/successful-outcome-following-pneumonectomy-in-a-teenage-boy-with-cystic-fibrosis-a-case-report
#4
Zheyi Liew, Santosh Mallikarjuna, Asif Hasan, F Kate Gould, Su Bunn, Matthew F Thomas, Jim L Lordan, Christopher O'Brien, Malcolm Brodlie
BACKGROUND: Cystic fibrosis lung disease is generally a diffuse process however rarely one lung may become particularly damaged through chronic collapse and consolidation resulting in end-stage bronchiectasis with relative sparing of the contralateral lung. This clinical situation is sometimes referred to as "destroyed lung". Lung resection surgery is seldom indicated in cystic fibrosis and the associated medical literature is relatively sparse. CASE PRESENTATION: A 14 year old boy was referred to our centre for lung transplantation assessment...
January 13, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/28080136/isoniazid-a-review-of-characteristics-properties-and-analytical-methods
#5
Guilherme Felipe Dos Santos Fernandes, Hérida Regina Nunes Salgado, Jean Leandro Dos Santos
Isoniazid is a synthetic antimicrobial and one of the most important first-line drugs used in the treatment of tuberculosis. Since it was introduced in the therapy in 1952, the drug remains at the front line of the antituberculosis treatment mainly due to its potency and high selectivity against Mycobacterium tuberculosis. Pharmaceutical analysis and therapeutic drug monitoring of isoniazid in both, pharmaceuticals and biological samples, plays an important role to comprehend aspects regarding to bioavailability, bioequivalence and therapeutic monitoring during patients following-up...
January 12, 2017: Critical Reviews in Analytical Chemistry
https://www.readbyqxmd.com/read/28079669/the-irish-helicobacter-pylori-working-group-consensus-for-the-diagnosis-and-treatment-of-h-pylori-infection-in-adult-patients-in-ireland
#6
Sinead Smith, Breida Boyle, Denise Brennan, Martin Buckley, Paul Crotty, Maeve Doyle, Richard Farrell, Mary Hussey, David Kevans, Peter Malfertheiner, Francis Megraud, Sean Nugent, Anthony O'Connor, Colm O'Morain, Shiobhan Weston, Deirdre McNamara
BACKGROUND: Irish eradication rates for Helicobacter pylori are decreasing and there is an increase in the prevalence of antibiotic-resistant bacteria. These trends call into question current management strategies. OBJECTIVE: To establish an Irish Helicobacter pylori Working Group (IHPWG) to assess, revise and tailor current available recommendations. METHODS: Experts in the areas of gastroenterology and microbiology were invited to join the IHPWG...
January 10, 2017: European Journal of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28079629/duration-of-pneumonia-therapy-and-the-role-of-biomarkers
#7
Katerina Kaziani, Adamantia Sotiriou, George Dimopoulos
PURPOSE OF REVIEW: Increasing antimicrobial resistance is a worldwide phenomenon that is threatening public health. Lower respiratory infections are one of the leading causes of morbidity that contribute to antibiotic consumption and thus the emergence of multidrug-resistant microbial strains. The goal of shortening antibiotic regimens' duration in common bacterial infections has been prioritized by antimicrobial stewardship programs as an action against this problem. RECENT FINDINGS: Data coming from randomized controlled trials, meta-analyses, and systematic reviews support the shortening of antimicrobial regimens in community-acquired, hospital-acquired, and ventilator-associated pneumonia...
January 12, 2017: Current Opinion in Infectious Diseases
https://www.readbyqxmd.com/read/28079538/antimicrobial-therapy-for-pyogenic-liver-abscess-secondary-to-streptococcus-intermedius-bacteremia
#8
Rukma Parthvi, Mohsena Amin, Sunil Mehra
No abstract text is available yet for this article.
January 5, 2017: American Journal of Therapeutics
https://www.readbyqxmd.com/read/28079262/pediatric-obesity-pharmacokinetic-alterations-and-effects-on-antimicrobial-dosing
#9
Stephanie Natale, John Bradley, William Huy Nguyen, Tri Tran, Pamela Ny, Kirsten La, Eva Vivian, Jennifer Le
BACKGROUND: Limited data exist for appropriate drug dosing in obese children. This comprehensive review summarizes pharmacokinetic alterations that occur with age and obesity, and these effects on antimicrobial dosing. A thorough comparison of different measures of body weight and specific antimicrobial agents, including cefazolin, cefepime, ceftazidime, daptomycin, doripenem, gentamicin, linezolid, meropenem, piperacill-tazobactam, tobramycin, vancomycin, and voriconazole, are presented...
January 12, 2017: Pharmacotherapy
https://www.readbyqxmd.com/read/28079113/congenital-hearing-loss
#10
Anna M H Korver, Richard J H Smith, Guy Van Camp, Mark R Schleiss, Maria A K Bitner-Glindzicz, Lawrence R Lustig, Shin-Ichi Usami, An N Boudewyns
Congenital hearing loss (hearing loss that is present at birth) is one of the most prevalent chronic conditions in children. In the majority of developed countries, neonatal hearing screening programmes enable early detection; early intervention will prevent delays in speech and language development and has long-lasting beneficial effects on social and emotional development and quality of life. A diagnosis of hearing loss is usually followed by a search for an underlying aetiology. Congenital hearing loss might be attributed to environmental and prenatal factors, which prevail in low-income settings; congenital infections, particularly cytomegalovirus infection, are also a common risk factor for hearing loss...
January 12, 2017: Nature Reviews. Disease Primers
https://www.readbyqxmd.com/read/28077586/redeploying-%C3%AE-lactam-antibiotics-as-a-novel-antivirulence-strategy-for-the-treatment-of-methicillin-resistant-staphylococcus-aureus-infections
#11
Elaine M Waters, Justine K Rudkin, Simone Coughlan, Geremy C Clair, Joshua N Adkins, Suzanna Gore, Guoqing Xia, Nikki S Black, Tim Downing, Eoghan O'Neill, Aras Kadioglu, James P O'Gara
Innovative approaches to the use of existing antibiotics is an important strategy in efforts to address the escalating antimicrobial resistance crisis. We report a new approach to the treatment of methicillin-resistant Staphylococcus aureus (MRSA) infections by demonstrating that oxacillin can be used to significantly attenuate the virulence of MRSA despite the pathogen being resistant to this drug. Using mechanistic in vitro assays and in vivo models of invasive pneumonia and sepsis, we show that oxacillin-treated MRSA strains are significantly attenuated in virulence...
January 1, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28076466/ozone-therapy-as-an-adjuvant-for-endondontic-protocols-microbiological-ex-vivo-study-and-citotoxicity-analyses
#12
Carlos Goes Nogales, Marina Beloti Ferreira, Antonio Fernando Montemor, Maria Filomena de Andrade Rodrigues, José Luiz Lage-Marques, João Humberto Antoniazzi
Objectives: This study evaluated the antimicrobial efficacy of ozone therapy in teeth contaminated with Pseudomonas aeruginosa, Enterococcus faecalis, and Staphylococcus aureus using a mono-species biofilm model. Parallel to this, the study aimed to evaluate the cytotoxicity of ozone for human gingival fibroblasts. Material and Methods: One hundred and eighty single-root teeth were contaminated with a mono-species biofilm of Enterococcus faecalis, Pseudomonas aeruginosa, and Staphylococcus aureus...
November 2016: Journal of Applied Oral Science: Revista FOB
https://www.readbyqxmd.com/read/28076304/the-use-of-liquid-chromatography-tandem-mass-spectrometry-for-therapeutic-drug-monitoring-of-antibiotics-in-cancer-patients
#13
Nahed El-Najjar, Jonathan Jantsch, André Gessner
Cancer remains a leading cause of mortality and morbidity worldwide. In addition to organ failure, the most frequent reasons for admission of cancer patients to intensive care units (ICU) are: infections and sepsis. As critically ill, the complexity of the health situation of cancer patients renders the standard antimicrobial regimen more complex and even inadequate which results in increased mortality rates. This is due to pathophysiological changes in the volume of distribution, increased clearance, as well as to organ dysfunction...
January 11, 2017: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/28076247/5-day-versus-10-day-course-of-fluoroquinolones-in-outpatient-males-with-a-urinary-tract-infection-uti
#14
Geoffrey A Mospan, Kurt A Wargo
INTRODUCTION: Current guidelines classify urinary tract infections (UTIs) in males as complicated and recommend longer treatment than for UTIs in females. The objective of this study is to demonstrate that males with UTIs may be successfully treated with an outpatient 5-day course of levofloxacin. METHODS: Data were obtained from a previously conducted clinical trial (www.clinicaltrials.gov identifier NCT00210886), a multicenter, double-blind, randomized, noninferiority study comparing levofloxacin 750 mg intravenously/by mouth once daily for 5 days and ciprofloxacin 400/500 mg intravenously/by mouth twice daily for 10 days in complicated UTI (cUTI)...
November 2016: Journal of the American Board of Family Medicine: JABFM
https://www.readbyqxmd.com/read/28075196/typhlitis-neutropenic-enterocolitis-in-patients-with-acute-leukemia-a-review
#15
Rodrigo Portugal, Marcio Nucci
Typhlitis is an abdominal complication of cancer chemotherapy, affecting mostly patients receiving intensive chemotherapeutic regimens with high potential to induce mucosal damage, such as patients with acute leukemia. Despite being relatively frequent, there are no randomized trials or high-quality cohort studies addressing important aspects of the diagnosis and management of the disease. Areas covered: In this review we discuss the gaps in the literature, acknowledging that the evidences for recommendations regarding the management of typhlitis are mostly expert opinion...
January 11, 2017: Expert Review of Hematology
https://www.readbyqxmd.com/read/28075032/-microbiological-findings-and-antibacterial-therapy-in-stevens-johnson-syndrome-toxic-epidermal-necrolysis-patients-from-a-swedish-burn-center
#16
Ilaria Tocco-Tussardi, Fredrik Huss, Benjamin Presman
BACKGROUND: Superimposed infections/sepsis are the major cause of morbidity/mortality in Stevens-Johnson syndrome/Toxic Epidermal Necrolysis (SJS/TEN). It is a delicate balance between avoiding new pharmaceuticals and prophylactically treat an incipient infection. The objective of this study was to investigate the rates and types of infection-microbials and antibiotics involved in SJS/TEN patients. METHODS: Microbiology and clinical data were collected for SJS/TEN patients admitted to our Burn Centre from January 2010 through January 2016...
January 11, 2017: Journal of Cutaneous Pathology
https://www.readbyqxmd.com/read/28074531/antibiotic-use-during-infectious-episodes-in-the-first-6-months-of-anticancer-treatment-a-swedish-cohort-study-of-children-aged-7-16-years
#17
M Af Sandeberg, E Johansson, L Wettergren, O Björk, O Hertting, A Nilsson
BACKGROUND: Children undergoing cancer therapy are at risk for infectious complications that require hospitalization and antimicrobial therapy. Host factors such as age and underlying disease may predict the risk of severe infections in these children. To describe the increased morbidity due to infections in children with cancer, we characterized the antibiotic use during the infectious complications in a national cohort of children 7-16 years of age with cancer. PROCEDURE: Data on infectious complications were prospectively collected from the medical records of all newly diagnosed children with cancer, aged 7-16 years, in Sweden between 2004 and 2006...
January 11, 2017: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/28073966/extended-stability-of-antimicrobial-agents-in-administration-devices
#18
Abi Jenkins, Tim Hills, Mark Santillo, Mark Gilchrist
BACKGROUND: Outpatient parenteral antimicrobial therapy (OPAT) is an established approach to patient care. A lack of data on antimicrobial stability within administration devices is a barrier to service expansion, and poses an antimicrobial stewardship dilemma. Often broad-spectrum, long half-life agents are used instead of narrow-spectrum agents, which need more frequent administration, but could possibly be used if stability data were available. OBJECTIVES: To complete a comprehensive literature review of published antimicrobial stability data, and assess these against a nationally recognized minimum dataset for medicines compounded into administration devices...
January 10, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/28073963/in-vitro-activity-of-daptomycin-combined-with-dalbavancin-and-linezolid-and-dalbavancin-with-linezolid-against-mrsa-strains
#19
Gulseren Aktas, Sengul Derbentli
OBJECTIVES: Combination therapies have a distinct advantage over monotherapies in terms of their broad spectrum, synergistic effect and prevention of the emergence of drug resistance. In the present study, the in vitro antibacterial activity of daptomycin combinations with linezolid and dalbavancin, and dalbavancin with linezolid were evaluated against 30 clinical MRSA strains. METHODS: The MICs of all antibiotics were determined using microbroth dilution as described by the CLSI...
September 28, 2016: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/28073877/pacemaker-pocket-infection-due-to-mycobacterium-goodii-a-rapidly-growing-mycobacteria
#20
David K Yoo, Seyed M Hosseini-Moghaddam
A woman aged 74 years with an implanted dual-chamber pacemaker presented with pacemaker site infection after failing empiric antimicrobial therapy. The pathogen was later identified as Mycobacterium goodii, a rapidly growing mycobacteria species. The pacemaker was subsequently removed and the patient was treated with oral ciprofloxacin and doxycycline with clinical improvement. In this article, we describe a rare case of pacemaker site infection by M. goodii.
January 10, 2017: BMJ Case Reports
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