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https://www.readbyqxmd.com/read/27925855/costs-associated-with-influenza-related-hospitalization-in-the-elderly
#1
Núria Torner, Encarna Navas, Núria Soldevila, Diana Toledo, Gemma Navarro, Aurea Morillo, Maria José Pérez, Angela Domínguez
Seasonal influenza epidemics remain a considerable burden in adults, especially in those at higher risk of complications. The aim of this study was to determine the costs associated with influenza-related hospitalization in patients aged ≥65 years admitted to 20 hospitals from seven Spanish regions during the 2013-14 and 2014-15 influenza seasons. Bivariate analysis was used to compare costs in vaccinated and unvaccinated cases. Costs were calculated according to the Spanish National Health System diagnosis-related group tables for influenza and other respiratory system conditions (GRD 89 and GRD 101)...
December 7, 2016: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/27925510/passive-therapy-with-humanized-anti-staphylococcal-enterotoxin-b-antibodies-attenuates-systemic-inflammatory-response-and-protects-from-lethal-pneumonia-caused-by-staphylococcal-enterotoxin-b-producing-staphylococcus-aureus
#2
Melissa J Karau, Mulualem E Tilahun, Ashton Krogman, Barbara A Osborne, Richard A Goldsby, Chella S David, Jayawant N Mandrekar, Robin Patel, Govindarajan Rajagopalan
Drugs such as linezolid that inhibit bacterial protein synthesis may be beneficial in treating infections caused by toxigenic Staphylococcus aureus. As protein synthesis inhibitors have no effect on preformed toxins, neutralization of pathogenic exotoxins with anti-toxin antibodies may be beneficial in conjunction with antibacterial therapy. Herein, we evaluated the efficacy of human-mouse chimeric high-affinity neutralizing anti-staphylococcal enterotoxin B (SEB) antibodies in the treatment of experimental pneumonia caused by SEB-producing S...
December 7, 2016: Virulence
https://www.readbyqxmd.com/read/27923956/adaptation-to-potassium-limitation-is-essential-for-acinetobacter-baumannii-pneumonia-pathogenesis
#3
Reham Samir, Salma H Hussein, Noha M Elhosseiny, Marwa S Khattab, Alaa E Shawky, Ahmed S Attia
BACKGROUND:  Acinetobacter baumannii is challenging the healthcare community as the cause of a wide range of untreatable infections. New targets need to be explored for the development of therapeutics. METHODS:  The potassium-dependent protein (Kdp) system was investigated via bioinformatics and genetic tools. An isogenic mutant was constructed in kdpE and complemented in trans Gene expression and the ability to grow under potassium-limited conditions were investigated...
December 15, 2016: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/27923372/community-acquired-meningitis-caused-by-a-cg86-hypervirulent-klebsiella-pneumoniae-strain-first-case-report-in-the-caribbean
#4
Bénédicte Melot, Sylvain Brisse, Sébastien Breurec, Virginie Passet, Edith Malpote, Isabelle Lamaury, Guillaume Thiery, Bruno Hoen
BACKGROUND: Community-acquired bacterial meningitis due to Klebsiella pneumoniae has mainly been described in Southeast Asia and has a poor prognosis. Severe invasive infections caused by K. pneumoniae, including meningitis, are often due to hypervirulent strains (hvKP), which are characterized by capsular serotypes K1 and K2, a gene responsible for hypermucoviscosity, and the cluster for synthesis of the siderophore aerobactin. CASE PRESENTATION: A 55 year old man with a history of essential hypertension, benign prostate hyperplasia, hyperlipidemia, obstructive sleep apnea, and chronic alcoholism was admitted for meningitis due to Klebsiella pneumoniae with a wild-type susceptibility profile...
December 7, 2016: BMC Infectious Diseases
https://www.readbyqxmd.com/read/27922906/patient-outcomes-after-early-versus-late-tracheostomy-in-the-puerto-rico-trauma-hospital
#5
Ana M Romero Vázquez, Omar García Rodríguez, Ediel Ramos Meléndez, Pablo Rodríguez Ortiz
OBJECTIVE: This study aimed to evaluate the impact of early tracheostomy (ET, ≤7 days) versus that of late tracheostomy (LT, >7 days) on outcomes such as hospital length of stay (LOS), intensive care unit (ICU) days, mechanical ventilation (MV) days, and mortality ratio. METHODS: A historical cohort study was undertaken using charts of patients admitted to the Puerto Rico Trauma Hospital who required MV and underwent tracheostomies, from 2000 to 2013. A logistic regression was performed to evaluate the association between timing of tracheostomy and complications and mortality...
December 5, 2016: Journal of Patient Safety
https://www.readbyqxmd.com/read/27922126/viral-and-bacterial-co-infection-in-severe-pneumonia-triggers-innate-immune-responses-and-specifically-enhances-ip-10-a-translational-study
#6
Jonathan Hoffmann, Daniela Machado, Olivier Terrier, Stephane Pouzol, Mélina Messaoudi, Wilma Basualdo, Emilio E Espínola, Rosa M Guillen, Manuel Rosa-Calatrava, Valentina Picot, Thomas Bénet, Hubert Endtz, Graciela Russomando, Gláucia Paranhos-Baccalà
Mixed viral and bacterial infections are widely described in community-acquired pneumonia; however, the clinical implications of co-infection on the associated immunopathology remain poorly studied. In this study, microRNA, mRNA and cytokine/chemokine secretion profiling were investigated for human monocyte-derived macrophages infected in-vitro with Influenza virus A/H1N1 and/or Streptococcus pneumoniae. We observed that the in-vitro co-infection synergistically increased interferon-γ-induced protein-10 (CXCL10, IP-10) expression compared to the singly-infected cells conditions...
December 6, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27921234/simultaneous-virus-identification-and-characterization-of-severe-unexplained-pneumonia-cases-using-a-metagenomics-sequencing-technique
#7
Xiaohui Zou, Guangpeng Tang, Xiang Zhao, Yan Huang, Tao Chen, Mingyu Lei, Wenbing Chen, Lei Yang, Wenfei Zhu, Li Zhuang, Jing Yang, Zhaomin Feng, Dayan Wang, Dingming Wang, Yuelong Shu
Many viruses can cause respiratory diseases in humans. Although great advances have been achieved in methods of diagnosis, it remains challenging to identify pathogens in unexplained pneumonia (UP) cases. In this study, we applied next-generation sequencing (NGS) technology and a metagenomic approach to detect and characterize respiratory viruses in UP cases from Guizhou Province, China. A total of 33 oropharyngeal swabs were obtained from hospitalized UP patients and subjected to NGS. An unbiased metagenomic analysis pipeline identified 13 virus species in 16 samples...
December 2, 2016: Science China. Life Sciences
https://www.readbyqxmd.com/read/27919287/chemical-profiling-antimicrobial-and-insecticidal-evaluations-of-polygonum-hydropiper-l
#8
Muhammad Ayaz, Muhammad Junaid, Farhat Ullah, Abdul Sadiq, Muhammad Ovais, Waqar Ahmad, Sajjad Ahmad, Anwar Zeb
BACKGROUND: The emergence of multidrug resistant (MDR) pathogens is of great concern to the global health community. Our ability to effectively treat diseases is based on the discovery of potent drugs for the treatment of these challenging diseases. Traditional medicines are one of the major sources for the discovery of safe, effective and economical drug candidates. In order to validate its antibacterial, antifungal and insecticidal potentials with respect to traditional uses, we have screened for the first time Polygonum hydropiper against pathogenic bacterial, fungal strains and a variety of insects...
December 5, 2016: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/27919223/trpm2-snp-genotype-previously-associated-with-susceptibility-to-rhodococcus-equi-pneumonia-in-quarter-horse-foals-displays-differential-gene-expression-identified-using-rna-seq
#9
Cole M McQueen, Canaan M Whitfield-Cargile, Kranti Konganti, Glenn P Blodgett, Scott V Dindot, Noah D Cohen
BACKGROUND: Rhodococcus equi (R. equi) is an intracellular bacterium that affects young foals and immuno-compromised individuals causing severe pneumonia. Currently, the genetic mechanisms that confer susceptibility and/or resistance to R. equi are not fully understood. Previously, using a SNP-based genome-wide association study, we identified a region on equine chromosome 26 associated with culture-confirmed clinical pneumonia. To better characterize this region and understand the function of the SNP located within TRPM2 that was associated with R...
December 5, 2016: BMC Genomics
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
#10
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/27916621/point-should-inhaled-antibiotic-therapy-be-routinely-used-for-the-treatment-of-bacterial-lower-respiratory-tract-infections-in-the-icu-setting-yes
#11
EDITORIAL
Richard G Wunderink
Routine use of aerosolized antibiotics is the most rational approach to the current treatment dilemmas for severe hospital-acquired pneumonia (HAP) requiring endotracheal intubation or ventilator-associated pneumonia (VAP). The two main issues for HAP/VAP are inappropriate initial therapy and ineffective therapy for multidrug resistant (MDR) pathogens, particularly gram negative bacilli such as Pseudomonas aeruginosa and Acinetobacter species. The emergence of extended spectrum beta-lactamases (ESBL) and carbapenem resistance in Enterobacteriaceae (CRE) have made even common pathogens such as Escherichia coli difficult to treat...
November 22, 2016: Chest
https://www.readbyqxmd.com/read/27914135/is-%C3%AE-lactam-plus-macrolide-more-effective-than-%C3%AE-lactam-plus-fluoroquinolone-among-patients-with-severe-community-acquired-pneumonia-a-systemic-review-and-meta-analysis
#12
Jong Hoo Lee, Hyun Jung Kim, Yee Hyung Kim
Adding either macrolide or fluoroquinolone (FQ) to β-lactam has been recommended for patients with severe community-acquired pneumonia (CAP). However, due to the limited evidence available, there is a question as to the superiority of the two combination therapies. The MEDLINE, EMBASE, Cochrane Central Register, Scopus, and Web of Science databases were searched for systematic review and meta-analysis. A total of eight trials were analyzed. The total number of patients in the β-lactam plus macrolide (BL-M) and β-lactam plus fluoroquinolone (BL-F) groups was 2,273 and 1,600, respectively...
January 2017: Journal of Korean Medical Science
https://www.readbyqxmd.com/read/27913191/the-shedding-derived-soluble-receptor-for-advanced-glycation-endproducts-sustains-inflammation-during-acute-pseudomonas-aeruginosa-lung-infection
#13
Antonella Antonelli, Stefania Di Maggio, Joanna Rejman, Francesca Sanvito, Alice Rossi, Alessandro Catucci, Andrea Gorzanelli, Alessandra Bragonzi, Marco E Bianchi, Angela Raucci
BACKGROUND: The membrane-bound isoform of the receptor for advanced glycation end products (FL-RAGE) is primarily expressed by alveolar epithelial cells and undergoes shedding by the protease ADAM10, giving rise to soluble cleaved RAGE (cRAGE). RAGE has been associated with the pathogenesis of several acute and chronic lung disorders. Whether the proteolysis of FL-RAGE is altered by a given inflammatory stimulus is unknown. Pseudomonas aeruginosa causes nosocomial infections in hospitalized patients and is the major pathogen associated with chronic lung diseases...
November 29, 2016: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/27913093/genome-of-the-carbapenemase-producing-clinical-isolate-elizabethkingia-miricola-em_chuv-and-comparative-genomics-with-elizabethkingia-meningoseptica-and-elizabethkingia-anophelis-evidence-for-intrinsic-multidrug-resistance-trait-of-emerging-pathogens
#14
Onya Opota, Seydina M Diene, Claire Bertelli, Guy Prod'hom, Philippe Eckert, Gilbert Greub
Elizabethkingia miricola is a Gram-negative non-fermenting rod emerging as a life-threatening human pathogen. The multidrug-resistant (MDR) carbapenemase-producing clinical isolate E. miricola EM_CHUV was recovered in the setting of severe nosocomial pneumonia. In this study, the genome of E. miricola EM_CHUV was sequenced and a functional analysis was performed, including a comparative genomic study with Elizabethkingia meningoseptica and Elizabethkingia anophelis. The resistome of EM_CHUV revealed the presence of a high number of resistance genes, including the presence of the blaGOB-13 and blaB-9 carbapenemase-encoding genes...
November 15, 2016: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/27912035/failure-to-rescue-after-infectious-complications-in-a-statewide-trauma-system
#15
Elinore J Kaufman, Emily Earl-Royal, Philip S Barie, Daniel N Holena
BACKGROUND: The failure to rescue (FTR) rate, the rate of death after a complication, measures a center's ability to identify and manage complications by "rescuing" vulnerable patients. Infectious complications are common after trauma, but risk factors for death after infection are not established. We hypothesized that risk factors would differ for FTR after infectious complications, development of infections, and for development of and death after non-infectious complications. PATIENTS AND METHODS: We analyzed trauma registry data for adult patients admitted to all 30 level I and II Pennsylvania trauma centers, 2011-2014...
December 2, 2016: Surgical Infections
https://www.readbyqxmd.com/read/27911406/ultrasound-guided-botulinum-toxin-a-injections-a-method-of-treating-sialorrhea
#16
Pierangelo Barbero, Marco Busso, Carlo Alberto Artusi, Stefania De Mercanti, Marco Tinivella, Andrea Veltri, Luca Durelli, Marinella Clerico
Neurological diseases can be complicated by sialorrhea, an excessive flow of saliva. Patients suffering from moderate to severe sialorrhea have an impaired quality of life, often worsened by correlated complications such as aspiration pneumonia, oral infections, dental caries, and maceration of the skin. Diverse therapeutic approaches have been proposed for the treatment of sialorrhea, including surgery and the use of anticholinergic agents, with limited results and the possible occurrence of serious adverse events...
November 9, 2016: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/27911103/tools-for-outcome-prediction-in-patients-with-community-acquired-pneumonia
#17
Faheem Khan, Mark B Owens, Marcos Restrepo, Pedro Povoa, Ignacio Martin-Loeches
Community-acquired pneumonia (CAP) is one of the most common causes of mortality world-wide. The mortality rate of patients with CAP is influenced by the severity of the disease, treatment failure and the requirement for hospitalization and/or intensive care unit (ICU) management, all of which may be predicted by biomarkers and clinical scoring systems. Areas Covered: We review the recent literature examining the efficacy of established and newly-developed clinical scores, biological and inflammatory markers such as C-Reactive protein (CRP), procalcitonin (PCT) and Interleukin-6 (IL-6), whether used alone or in conjunction with clinical severity scores to assess the severity of CAP, predict treatment failure, guide acute in-hospital or ICU admission and predict mortality...
December 2, 2016: Expert Review of Clinical Pharmacology
https://www.readbyqxmd.com/read/27909995/solithromycin-a-novel-fluoroketolide-for-the-treatment-of-community-acquired-bacterial-pneumonia
#18
REVIEW
George G Zhanel, Erika Hartel, Heather Adam, Sheryl Zelenitsky, Michael A Zhanel, Alyssa Golden, Frank Schweizer, Bala Gorityala, Philippe R S Lagacé-Wiens, Andrew J Walkty, Alfred S Gin, Daryl J Hoban, Joseph P Lynch, James A Karlowsky
Solithromycin is a novel fluoroketolide developed in both oral and intravenous formulations to address increasing macrolide resistance in pathogens causing community-acquired bacterial pneumonia (CABP). When compared with its macrolide and ketolide predecessors, solithromycin has several structural modifications which increase its ribosomal binding and reduce its propensity to known macrolide resistance mechanisms. Solithromycin, like telithromycin, affects 50S ribosomal subunit formation and function, as well as causing frame-shift errors during translation...
December 1, 2016: Drugs
https://www.readbyqxmd.com/read/27909896/detection-of-shigella-sonnei-in-a-respiratory-specimen-in-a-patient-with-subacute-atypical-pneumonia
#19
Hiwa Nahid, Désirée Staub, Herbert Hächler, Werner C Albrich
BACKGROUND: Pneumonia caused by shigellosis with or without typical dysentery in immunocompetent patients is an uncommon entity. CASE REPORT: We describe a case of pneumonia in an immunocompetent, previously healthy middle-aged man from Switzerland without relevant travel history which was presumably caused by Shigella sonnei. He was originally admitted for suspected lung cancer. The clinical picture was remarkable as the patient presented with cough and purulent sputum production, but otherwise no classical signs of pneumonia...
December 1, 2016: Infection
https://www.readbyqxmd.com/read/27908639/animal-models-of-respiratory-syncytial-virus-infection
#20
Geraldine Taylor
Human respiratory syncytial virus (hRSV) is a major cause of respiratory disease and hospitalisation of infants, worldwide, and is also responsible for significant morbidity in adults and excess deaths in the elderly. There is no licensed hRSV vaccine or effective therapeutic agent. However, there are a growing number of hRSV vaccine candidates that have been developed targeting different populations at risk of hRSV infection. Animal models of hRSV play an important role in the preclinical testing of hRSV vaccine candidates and although many have shown efficacy in preclinical studies, few have progressed to clinical trials or they have had only limited success...
November 29, 2016: Vaccine
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