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https://www.readbyqxmd.com/read/29236286/corticosteroids-for-pneumonia
#1
REVIEW
Anat Stern, Keren Skalsky, Tomer Avni, Elena Carrara, Leonard Leibovici, Mical Paul
BACKGROUND: Pneumonia is a common and potentially serious illness. Corticosteroids have been suggested for the treatment of different types of infection, however their role in the treatment of pneumonia remains unclear. This is an update of a review published in 2011. OBJECTIVES: To assess the efficacy and safety of corticosteroids in the treatment of pneumonia. SEARCH METHODS: We searched the Cochrane Acute Respiratory Infections Group's Specialised Register, CENTRAL, MEDLINE, Embase, and LILACS on 3 March 2017, together with relevant conference proceedings and references of identified trials...
December 13, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29231866/the-consequences-of-being-in-an-infectious-biofilm-microenvironmental-conditions-governing-antibiotic-tolerance
#2
REVIEW
Majken Sønderholm, Thomas Bjarnsholt, Maria Alhede, Mette Kolpen, Peter Ø Jensen, Michael Kühl, Kasper N Kragh
The main driver behind biofilm research is the desire to understand the mechanisms governing the antibiotic tolerance of biofilm-growing bacteria found in chronic bacterial infections. Rather than genetic traits, several physical and chemical traits of the biofilm have been shown to be attributable to antibiotic tolerance. During infection, bacteria in biofilms exhibit slow growth and a low metabolic state due to O₂ limitation imposed by intense O₂ consumption of polymorphonuclear leukocytes or metabolically active bacteria in the biofilm periphery...
December 12, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29230684/imipenem-relebactam-and-meropenem-vaborbactam-two-novel-carbapenem-%C3%AE-lactamase-inhibitor-combinations
#3
REVIEW
George G Zhanel, Courtney K Lawrence, Heather Adam, Frank Schweizer, Sheryl Zelenitsky, Michael Zhanel, Philippe R S Lagacé-Wiens, Andrew Walkty, Andrew Denisuik, Alyssa Golden, Alfred S Gin, Daryl J Hoban, Joseph P Lynch, James A Karlowsky
Relebactam (formerly known as MK-7655) is a non-β-lactam, bicyclic diazabicyclooctane, β-lactamase inhibitor that is structurally related to avibactam, differing by the addition of a piperidine ring to the 2-position carbonyl group. Vaborbactam (formerly known as RPX7009) is a non-β-lactam, cyclic, boronic acid-based, β-lactamase inhibitor. The structure of vaborbactam is unlike any other currently marketed β-lactamase inhibitor. Both inhibitors display activity against Ambler class A [including extended-spectrum β-lactamases (ESBLs), Klebsiella pneumoniae carbapenemases (KPCs)] and class C β-lactamases (AmpC)...
December 12, 2017: Drugs
https://www.readbyqxmd.com/read/29230232/chemosensitization-of-fusarium-graminearum-to-chemical-fungicides-using-cyclic-lipopeptides-produced-by-bacillus-amyloliquefaciens-strain-jck-12
#4
Kihyun Kim, Yoonji Lee, Areum Ha, Ji-In Kim, Ae Ran Park, Nan Hee Yu, Hokyoung Son, Gyung Ja Choi, Hae Woong Park, Chul Won Lee, Theresa Lee, Yin-Won Lee, Jin-Cheol Kim
Fusarium head blight (FHB) caused by infection with Fusarium graminearum leads to enormous losses to crop growers, and may contaminate grains with a number of Fusarium mycotoxins that pose serious risks to human and animal health. Antagonistic bacteria that are used to prevent FHB offer attractive alternatives or supplements to synthetic fungicides for controlling FHB without the negative effects of chemical management. Out of 500 bacterial strains isolated from soil, Bacillus amyloliquefaciens JCK-12 showed strong antifungal activity and was considered a potential source for control strategies to reduce FHB...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/29229643/cystatin-9-and-c-a-novel-immunotherapy-that-protects-against-multi-drug-resistant-new-delhi-metallo-beta-lactamase-1-producing-klebsiella-pneumoniae
#5
Alex J Holloway, JiehJuen Yu, Bernard P Arulanandam, Sarah M Hoskinson, Tonyia Eaves-Pyles
Multidrug-resistant (MDR) bacterial pneumonia can induce dysregulated pulmonary and systemic inflammation leading to morbidity and mortality. Antibiotics to treat MDR pathogens do not function to modulate the extent and intensity of inflammation and can have serious side effects. Herein, we evaluate the efficacy of two human cysteine proteinase inhibitors, cystatin 9 and cystatin C, as a novel immunotherapeutic treatment to combat MDR New Delhi metallo-beta-lactamase-1 (NDM-1) producing Klebsiella pneumoniae (Kp)...
December 11, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/29229440/post-exposure-prophylaxis-with-doxycycline-to-prevent-sexually-transmitted-infections-in-men-who-have-sex-with-men-an-open-label-randomised-substudy-of-the-anrs-ipergay-trial
#6
Jean-Michel Molina, Isabelle Charreau, Christian Chidiac, Gilles Pialoux, Eric Cua, Constance Delaugerre, Catherine Capitant, Daniela Rojas-Castro, Julien Fonsart, Béatrice Bercot, Cécile Bébéar, Laurent Cotte, Olivier Robineau, François Raffi, Pierre Charbonneau, Alexandre Aslan, Julie Chas, Laurence Niedbalski, Bruno Spire, Luis Sagaon-Teyssier, Diane Carette, Soizic Le Mestre, Veronique Doré, Laurence Meyer
BACKGROUND: Increased rates of sexually transmitted infections (STIs) have been reported among men who have sex with men. We aimed to assess whether post-exposure prophylaxis (PEP) with doxycycline could reduce the incidence of STIs. METHODS: All participants attending their scheduled visit in the open-label extension of the ANRS IPERGAY trial in France (men aged 18 years or older having condomless sex with men and using pre-exposure prophylaxis for HIV with tenofovir disoproxil fumarate plus emtricitabine) were eligible for inclusion in this open-label randomised study...
December 8, 2017: Lancet Infectious Diseases
https://www.readbyqxmd.com/read/29226107/cholangitis-diagnosis-treatment-and-prognosis
#7
REVIEW
Amir Houshang Mohammad Alizadeh
Cholangitis is a serious life-threatening situation affecting the hepatobiliary system. This review provides an update regarding the clinical and pathological features of various forms of cholangitis. A comprehensive search was performed in the PubMed, Scopus, and Web of Knowledge databases. It was found that the etiology and pathogenesis of cholangitis are heterogeneous. Cholangitis can be categorized as primary sclerosing (PSC), secondary (acute) cholangitis, and a recently characterized form, known as IgG4-associated cholangitis (IAC)...
December 28, 2017: Journal of Clinical and Translational Hepatology
https://www.readbyqxmd.com/read/29220754/association-of-high-mortality-with-extended-spectrum-%C3%AE-lactamase-esbl-positive-cultures-in-community-acquired-infections
#8
Sumit Ray, Dimple Anand, Sankalp Purwar, Arijit Samanta, Kaustubh V Upadhye, Prasoon Gupta, Debashis Dhar
PURPOSE: Infections due to multidrug resistant organisms have become a serious health concern worldwide. The present study was conducted to investigate the spectrum of microbial resistance pattern in the community and their effects on mortality. METHODS: A retrospective review and analysis of prospectively collected data was done of all patients admitted with diagnosis of sepsis in two tertiary care ICU's for a period of two years. Demographics, culture positivity, microbial spectrum, resistance pattern and outcome data were collected...
October 31, 2017: Journal of Critical Care
https://www.readbyqxmd.com/read/29219305/brucellosis-improved-diagnostics-and-vaccine-insights-from-synthetic-glycans
#9
David R Bundle, John McGiven
Brucellosis is a serious zoonotic bacterial disease that is ranked by the World Health Organization among the top seven "neglected zoonoses" that threaten human health and cause poverty. It is a costly, highly contagious disease that affects ruminants, cattle, sheep, goats, and other productive animals such as pigs. Symptoms include abortions, infertility, decreased milk production, weight loss, and lameness. Brucellosis is also the most common bacterial disease that is transmitted from animals to humans, with approximately 500 000 new human cases each year...
December 8, 2017: Accounts of Chemical Research
https://www.readbyqxmd.com/read/29219259/nursing-management-of-childhood-chickenpox-infection
#10
Grace Boyd, Paul Anthony Heaton, Rachel Wilkinson, Siba Prosad Paul
Chickenpox is an extremely contagious infectious disease caused by varicella zoster virus (VZV). It is a common childhood illness characterised by an itchy vesicular rash and fever, which usually resolves spontaneously without medical intervention. Serious, and rarely fatal, complications can occur, including pneumonia, central nervous system infection, overwhelming secondary bacterial infections, especially with Group A streptococcus, and necrotising fasciitis. Therefore it is crucial that emergency department (ED) nurses can recognise the signs and symptoms that indicate deterioration...
December 8, 2017: Emergency Nurse: the Journal of the RCN Accident and Emergency Nursing Association
https://www.readbyqxmd.com/read/29218501/evaluating-safety-reporting-in-paediatric-antibiotic-trials-2000-2016-a-systematic-review-and-meta-analysis
#11
REVIEW
Paola Pansa, Yingfen Hsia, Julia Bielicki, Irja Lutsar, A Sarah Walker, Mike Sharland, Laura Folgori
BACKGROUND: There are very few options to treat multidrug-resistant bacterial infections in children. A major barrier is the duration and complexity of regulatory trials of new antibiotics. Extrapolation of safety data from adult trials could facilitate drug development for children. OBJECTIVE: We performed a systematic review on the safety of antibiotic clinical trials (CTs) in children (0-18 years) to evaluate the overall quality of safety trials conducted in children and to determine if age-specific adverse events (AEs) could be identified for specific antibiotic classes...
December 7, 2017: Drugs
https://www.readbyqxmd.com/read/29204387/pattern-of-skin-diseases-and-occupational-dermatoses-in-veterinarians-and-veterinary-workers-of-kashmir
#12
Sumaya Zeerak, Iffat Hassan, Farhan Rasool, Yasmeen J Bhat, Safia Bashir
Background: Across the globe, skin disorders represent a frequent occupational concern for many health professionals including veterinarians and there is a serious impact of skin diseases on their lives and careers. But little is known about the prevalence and distribution of skin diseases (especially occupational) within this important professional group across Asia, especially India. Materials and Methods: The study was a cross-sectional study carried out over a period of one year in which veterinarians and veterinary workers of Kashmir valley were screened for various skin diseases and occupational dermatoses...
November 2017: Indian Dermatology Online Journal
https://www.readbyqxmd.com/read/29202802/histopathology-microbiology-and-the-inflammatory-process-associated-with-sarcoptes-scabiei-infection-in-the-iberian-ibex-capra-pyrenaica
#13
José Espinosa, Arián Ráez-Bravo, Jorge R López-Olvera, Jesús M Pérez, Santiago Lavín, Asta Tvarijonaviciute, Francisco J Cano-Manuel, Paulino Fandos, Ramón C Soriguer, José Enrique Granados, Diego Romero, Roser Velarde
BACKGROUND: Sarcoptic mange has been identified as the most significant infectious disease affecting the Iberian ibex (Capra pyrenaica). Despite several studies on the effects of mange on ibex, the pathological and clinical picture derived from sarcoptic mange infestation is still poorly understood. To further knowledge of sarcoptic mange pathology, samples from ibex were evaluated from histological, microbiological and serological perspectives. METHODS: Samples of skin, non-dermal tissues and blood were collected from 54 ibex (25 experimentally infected, 15 naturally infected and 14 healthy)...
December 4, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/29202038/a-novel-biomimetic-nanosponge-protects-the-retina-from-the-enterococcus-faecalis-cytolysin
#14
Austin L LaGrow, Phillip S Coburn, Frederick C Miller, Craig Land, Salai Madhumathi Parkunan, Brian T Luk, Weiwei Gao, Liangfang Zhang, Michelle C Callegan
Intraocular infections are a potentially blinding complication of common ocular surgeries and traumatic eye injuries. Bacterial toxins synthesized in the eye can damage intraocular tissue, often resulting in poor visual outcomes. Enteroccocus faecalis causes blinding infections and is responsible for 8 to 17% of postoperative endophthalmitis cases. These infections are increasingly difficult to treat due to the emergence of multidrug-resistant strains. Virulent E. faecalis isolates secrete a pore-forming bicomponent cytolysin that contributes to retinal tissue damage during endophthalmitis...
November 2017: MSphere
https://www.readbyqxmd.com/read/29200325/incidence-and-risk-factors-of-bacterial-and-fungal-infection-during-induction-chemotherapy-for-high-risk-neuroblastoma
#15
Sarah B Whittle, Kaitlin C Williamson, Heidi V Russell
High-risk neuroblastoma is an aggressive childhood cancer with poor outcomes. Treatment begins with an induction phase comprised of intense multi-agent chemotherapy with the goal of maximally reducing tumor bulk. Given the high intensity of induction chemotherapy, neutropenic fever and infectious complications are common; however, the actual incidence is difficult to determine from clinical trial reports. We performed a retrospective review of infection-related complications in 76 children treated for high-risk neuroblastoma at Texas Children's Hospital...
December 4, 2017: Pediatric Hematology and Oncology
https://www.readbyqxmd.com/read/29198381/during-the-emergency-department-evaluation-of-a-well-appearing-neonate-with-fever-should-empiric-acyclovir-be-initiated
#16
Eric Bruno, David Pillus, David Cheng, Gary Vilke, Nicholas Pokrajac
BACKGROUND: Herpes simplex virus (HSV) infection represents significant morbidity and mortality in the neonatal period. Although clear guidelines exist on the evaluation and management of the otherwise well-appearing febrile neonate pertaining to occult serious bacterial infections, there is no standardized approach regarding when to initiate testing and treatment for HSV infection. It is vital we establish a unified guideline based on available clinical research to aid in our decision to evaluate and initiate therapy for this disease...
November 29, 2017: Journal of Emergency Medicine
https://www.readbyqxmd.com/read/29193253/clinicians-need-to-decrease-antibiotic-use-in-previously-healthy-infants-hospitalised-with-bronchiolitis
#17
Marion Bailhache, Emilie Bloudeau, Olivier Richer, Pascal Pillet, Marie Lagarde
Bronchiolitis is a common viral acute respiratory infection that leads to frequent hospitalisation. Although serious bacterial infections are uncommon in such children (1), they could be co-infected with bacteria and the distinction between colonisation, co-infection or superinfection is not always possible. Antibiotics use varies in these situations (2) and their unnecessary use is a major cause of antibiotic resistance (3). We explored the factors that influenced prescribing antibiotic for previously healthy children hospitalised with bronchiolitis...
November 28, 2017: Acta Paediatrica
https://www.readbyqxmd.com/read/29190284/listeria-monocytogenes-switches-from-dissemination-to-persistence-by-adopting-a-vacuolar-lifestyle-in-epithelial-cells
#18
Mounia Kortebi, Eliane Milohanic, Gabriel Mitchell, Christine Péchoux, Marie-Christine Prevost, Pascale Cossart, Hélène Bierne
Listeria monocytogenes causes listeriosis, a foodborne disease that poses serious risks to fetuses, newborns and immunocompromised adults. This intracellular bacterial pathogen proliferates in the host cytosol and exploits the host actin polymerization machinery to spread from cell-to-cell and disseminate in the host. Here, we report that during several days of infection in human hepatocytes or trophoblast cells, L. monocytogenes switches from this active motile lifestyle to a stage of persistence in vacuoles...
November 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/29189910/bacterial-colonisation-of-suture-material-after-routine-neurosurgical-procedures-relevance-for-wound-infection
#19
Bujung Hong, Andreas Winkel, Philipp Ertl, Sascha Nico Stumpp, Kerstin Schwabe, Meike Stiesch, Joachim K Krauss
BACKGROUND: Wound healing impairment is a serious problem in surgical disciplines which may be associated with chronic morbidity, increased cost and patient discomfort. Here we aimed to investigate the relevance of bacterial colonisation on suture material using polymerase chain reaction (PCR) to detect and taxonomically classify bacterial DNA in patients with and without wound healing problems after routine neurosurgical procedures. METHODS: Repeat surgery was performed in 25 patients with wound healing impairment and in 38 patients with well-healed wounds...
November 30, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/29188848/bacterial-self-defense-antibiotics-release-from-organic-inorganic-hybrid-multilayer-films-for-long-term-anti-adhesion-and-biofilm-inhibition-properties
#20
Qingwen Xu, Xi Li, Yingying Jin, Lin Sun, Xiaoxu Ding, Lin Liang, Lei Wang, Kaihui Nan, Jian Ji, Hao Chen, Bailiang Wang
Implant-associated bacterial infections pose serious medical and financial issues due to the colonization and proliferation of pathogens on the surface of the implant. The as-prepared traditional antibacterial surfaces can neither resist bacterial adhesion nor inhibit the development of biofilm over the long term. Herein, novel (montmorillonite/poly-l-lysine-gentamicin sulfate)8 ((MMT/PLL-GS)8) organic-inorganic hybrid multilayer films were developed to combine enzymatic degradation PLL for on-demand self-defense antibiotics release...
November 30, 2017: Nanoscale
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