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Respiratory infection

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https://www.readbyqxmd.com/read/29775685/phenotypic-and-genetic-resistance-traits-in-pseudomonas-aeruginosa-strains-infecting-cystic-fibrosis-patients-a-french-cohort-study
#1
Nathalie Courtois, Yvan Caspar, Max Maurin
Pseudomonas aeruginosa is responsible for chronic respiratory tract colonisation and acute exacerbations in cystic fibrosis (CF) patients. This Gram-negative bacterium often develops multidrug resistance, which represents a therapeutic challenge. Our objective was to characterize the phenotypic and genetic β-lactam resistance traits of P. aeruginosa strains isolated from CF patients followed at Grenoble Alpes university hospital. The susceptibility to β-lactam compounds of 123 P. aeruginosa strains collected from the lower respiratory tract of 45 CF patients, between 2010 and 2014, was evaluated...
May 15, 2018: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/29775471/host-directed-combinatorial-rnai-improves-inhibition-of-diverse-strains-of-influenza-a-virus-in-human-respiratory-epithelial-cells
#2
Michael A Estrin, Islam T M Hussein, Wendy B Puryear, Anne C Kuan, Stephen C Artim, Jonathan A Runstadler
Influenza A virus infections are important causes of morbidity and mortality worldwide, and currently available prevention and treatment methods are suboptimal. In recent years, genome-wide investigations have revealed numerous host factors that are required for influenza to successfully complete its life cycle. However, only a select, small number of influenza strains were evaluated using this platform, and there was considerable variation in the genes identified across different investigations. In an effort to develop a universally efficacious therapeutic strategy with limited potential for the emergence of resistance, this study was performed to investigate the effect of combinatorial RNA interference (RNAi) on inhibiting the replication of diverse influenza A virus subtypes and strains...
2018: PloS One
https://www.readbyqxmd.com/read/29775092/a-prospective-multi-centre-us-clinical-trial-to-determine-accuracy-of-febridx-point-of-care-testing-for-acute-upper-respiratory-infections-with-and-without-a-confirmed-fever
#3
Nathan I Shapiro, Wesley H Self, Jeffrey Rosen, Stephan C Sharp, Michael R Filbin, Peter C Hou, Amisha D Parekh, Michael C Kurz, Robert Sambursky
BACKGROUND: FebriDx is a 10-minute disposable point-of-care test designed to identify clinically significant systemic host immune responses and aid in the differentiation of bacterial and viral respiratory infection by simultaneously detecting C-reactive protein (CRP) and myxovirus resistance protein A (MxA) from a fingerstick blood sample. FebriDx diagnostic accuracy was evaluated in the emergency room and urgent care setting. METHODS: A prospective, multicentre, observational cohort study of acute upper respiratory tract infections (URIs), with and without a confirmed fever at the time of enrolment, was performed to evaluate the diagnostic accuracy of FebriDx to identify clinically significant bacterial infection with host response and acute pathogenic viral infection...
May 18, 2018: Annals of Medicine
https://www.readbyqxmd.com/read/29774933/-clinicopathological-characteristics-and-prognostic-factor-analysis-of-carcinoma-in-remnant-stomach-cancer-at-peking-university-cancer-hospital
#4
Yinkui Wang, Ziyu Li, Chenggen Jin, Xiangji Ying, Chao Gao, Yuchen Wang, Qiyan Xiao, Yan Zhang, Yufan Chen, Lianhai Zhang, Jiafu Ji
OBJECTIVE: To investigate the interval time to canceration, clinicopathological characteristics and prognostic factors of carcinoma in remnant stomach (CRS) in patients with primary benign diseases or primary malignant tumors. METHODS: Based on the criteria of the definition of CRS proposed by Japanese Gastric Cancer Association in 2017, a retrospective analysis was conducted on clinicopathological characteristics of patients diagnosed with CRS at Peking University Cancer Hospital from March 1992 to March 2017...
May 25, 2018: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/29774857/influenza-d-virus-infection-in-feral-swine-populations-united-states
#5
Lucas Ferguson, Kaijian Luo, Alicia K Olivier, Fred L Cunningham, Sherry Blackmon, Katie Hanson-Dorr, Hailiang Sun, John Baroch, Mark W Lutman, Bianca Quade, William Epperson, Richard Webby, Thomas J DeLiberto, Xiu-Feng Wan
Influenza D virus (IDV) has been identified in domestic cattle, swine, camelid, and small ruminant populations across North America, Europe, Asia, South America, and Africa. Our study investigated seroprevalence and transmissibility of IDV in feral swine. During 2012-2013, we evaluated feral swine populations in 4 US states; of 256 swine tested, 57 (19.1%) were IDV seropositive. Among 96 archived influenza A virus-seropositive feral swine samples collected from 16 US states during 2010-2013, 41 (42.7%) were IDV seropositive...
June 2018: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/29774710/-prevalence-of-acid-burns-among-asylum-seekers-hosted-in-an-initial-reception-centre-as-an-example-of-health-assessment-in-a-fragile-population
#6
Fulvio Ricceri, Veronica Sciannameo, Federico De Michelis, Lucia Perucca, Luisa Mondo, Roberto Raffaele Pepe, Carlotta Sacerdote
OBJECTIVES: to evaluate the prevalence of acid burns among asylum seekers hosted in an initial reception centre and to evaluate if the prevalence is reduced after the introduction of the European Union (EU) regulation No. 29 (14th September 2016) that indirectly reduced the permanence time of the subjects on board of boats. DESIGN: cross-sectional study. SETTING AND PARTICIPANTS: 10,627 asylum seekers hosted in the centre for initial reception of Piedmont and Valle d'Aosta Regions (Northern Italy) between June 2016 and May 2017...
March 2018: Epidemiologia e Prevenzione
https://www.readbyqxmd.com/read/29774650/outcomes-of-hyperglycemia-in-patients-with-and-without-diabetes-mellitus-hospitalized-for-infectious-diseases
#7
Amit Akirov, Talia Diker-Cohen, Hiba Masri-Iraqi, Hadar Duskin-Bitan, Ilan Shimon, Alexander Gorshtein
OBJECTIVE: Examine the prognostic implications of diabetes mellitus (DM) and the importance of glycemic control during hospitalization for infectious diseases. METHODS: Historical prospectively collected data of patients hospitalized between 2011-2013.Infection-related hospitalizations were classified according to site of infection. Median follow-up was 4.5 years. Outcome measures included in-hospital and end-of-follow-up mortality. RESULTS: The cohort included 8,051 patients (50% female, mean age ± SD, 68±20 years) with a primary diagnosis of an infectious disease...
May 17, 2018: Diabetes/metabolism Research and Reviews
https://www.readbyqxmd.com/read/29774151/gastrointestinal-endoscopy-under-sedation-is-associated-with-pneumonia-in-older-inpatients-results-of-a-retrospective-case-control-study
#8
Christopher M Kollmann, Wolff Schmiegel, Thorsten Brechmann
Background and aims: Apparent aspiration is a notable adverse event during gastrointestinal endoscopy under sedation (GIES), but data about inapparent aspiration are scarce. Generally, particularly older patients are at higher risk of suffering from adverse events. Objective: The objective of this article is to determine the risk of pneumonia, lower respiratory tract infection (LRI) and systemic inflammatory activation after GIES, especially in patients of at least 65 years...
April 2018: United European Gastroenterology Journal
https://www.readbyqxmd.com/read/29773606/optimising-experimental-research-in-respiratory-diseases-an-ers-statement
#9
Philippe Bonniaud, Aurélie Fabre, Nelly Frossard, Christophe Guignabert, Mark Inman, Wolfgang M Kuebler, Tania Maes, Wei Shi, Martin Stampfli, Stefan Uhlig, Eric White, Martin Witzenrath, Pierre-Simon Bellaye, Bruno Crestani, Oliver Eickelberg, Heinz Fehrenbach, Andreas Guenther, Gisli Jenkins, Guy Joos, Antoine Magnan, Bernard Maitre, Ulrich A Maus, Petra Reinhold, Juanita H J Vernooy, Luca Richeldi, Martin Kolb
Experimental models are critical for the understanding of lung health and disease and are indispensable for drug development. However, the pathogenetic and clinical relevance of the models is often unclear. Further, the use of animals in biomedical research is controversial from an ethical perspective.The objective of this task force was to issue a statement with research recommendations about lung disease models by facilitating in-depth discussions between respiratory scientists, and to provide an overview of the literature on the available models...
May 2018: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/29773296/nontuberculous-mycobacterial-and-aspergillus-infections-among-cadaveric-lung-transplant-recipients-in-japan
#10
Kazunobu Tachibana, Yoshinori Okada, Yasushi Matsuda, Kentaroh Miyoshi, Takahiro Oto, Toyofumi F Chen-Yoshikawa, Hiroshi Date, Masato Minami, Meinoshin Okumura, Akinori Iwasaki, Takeshi Shiraishi, Sumiko Maeda, Yuji Matsumura, Takahiro Nakajima, Ichiro Yoshino, Seiji Hayashi
BACKGROUND: Lung transplantation is an effective treatment modality for respiratory failure. Chronic lung infections, including infections caused by nontuberculous mycobacteria (NTM) and Aspergillus, are difficult to control, and uncontrolled infections are relative contraindications for lung transplantation. However, few reports have documented the incidence and outcome of these infections in lung transplant recipients. METHODS: To quantify the incidence and outcomes of colonization and disease caused by NTM and aspergillosis in recipients before and after lung transplantation, we reviewed the medical records and microbiology data from 240 consecutive cadaveric lung transplant recipients between 2000 and 2014...
May 2018: Respiratory Investigation
https://www.readbyqxmd.com/read/29772761/high-concentrations-of-sodium-chloride-improve-microbicidal-activity-of-ibuprofen-against-common-cystic-fibrosis-pathogens
#11
Adrián J Muñoz, Roxana V Alasino, Ariel G Garro, Valeria Heredia, Néstor H García, David C Cremonezzi, Dante M Beltramo
Ibuprofen (IBU-H), a widely used anti-inflammatory, also shows a marked antimicrobial effect against several bacterial species, including those involved in cystic fibrosis such as Pseudomona aeruginosa , methicillin resistant Staphylococcus aureus and Burkholderia cepacia complex. Additionally, our results show significant synergy between water soluble Na-ibuprofen (IBU-Na) and ionic strength. Salt concentrations above 0.5 M modify the zeta potential promoting the action of Na-IBU; thus, with 1 M sodium chloride, IBU-Na is ten times more efficient than in the absence of ionic strength, and the minimum effective contact time is reduced from hours to minutes...
May 17, 2018: Pharmaceuticals
https://www.readbyqxmd.com/read/29772398/molecular-epidemiology-and-characterization-of-picobirnaviruses-in-small-ruminant-populations-in-india
#12
Yashpal Singh Malik, Shubhankar Sircar, Kuldeep Dhama, Rashmi Singh, Souvik Ghosh, Krisztián Bányai, Anastasia N Vlasova, Touil Nadia, Raj Kumar Singh
Picobirnavirus (PBV) is recognized as a putative cause of diarrhea and respiratory illnesses. Although PBV has been reported in several mammalian (including humans) and avian host species, data pertaining to its presence in small ruminants are limited. We report, here, PBV infection in small ruminants (ovine and caprine), in India. From January 2015 to December 2017, 400 samples were tested for the presence of PBV, using an RT-PCR assay specific for the genome segment-2. The overall rate of PBV infection was 35...
May 14, 2018: Infection, Genetics and Evolution
https://www.readbyqxmd.com/read/29772254/effect-of-interferon-alpha-and-cyclosporine-treatment-separately-and-in-combination-on-middle-east-respiratory-syndrome-coronavirus-mers-cov-replication-in-a-human-in-vitro-and-ex-vivo-culture-model
#13
H S Li, Denise I T Kuok, M C Cheung, Mandy M T Ng, K C Ng, Kenrie P Y Hui, J S Malik Peiris, Michael C W Chan, John M Nicholls
Middle East Respiratory Syndrome Coronavirus (MERS-CoV) has emerged as a coronavirus infection of humans in the past 5 years. Though confined to certain geographical regions of the world, infection has been associated with a case fatality rate of 35%, and this mortality may be higher in ventilated patients. As there are few readily available animal models that accurately mimic human disease, it has been a challenge to ethically determine what optimum treatment strategies can be used for this disease. We used in-vitro and human ex-vivo explant cultures to investigate the effect of two immunomodulatory agents, interferon alpha and cyclosporine, singly and in combination, on MERS-CoV replication...
May 14, 2018: Antiviral Research
https://www.readbyqxmd.com/read/29772011/induction-of-influenza-specific-local-cd8-t-cells-in-the-respiratory-tract-after-aerosol-delivery-of-vaccine-antigen-or-virus-in-the-babraham-inbred-pig
#14
Katie Tungatt, Garry Dolton, Sophie B Morgan, Meriem Attaf, Anna Fuller, Thomas Whalley, Johanneke D Hemmink, Emily Porter, Barbara Szomolay, Maria Montoya, John A Hammond, John J Miles, David K Cole, Alain Townsend, Mick Bailey, Pierre J Rizkallah, Bryan Charleston, Elma Tchilian, Andrew K Sewell
There is increasing evidence that induction of local immune responses is a key component of effective vaccines. For respiratory pathogens, for example tuberculosis and influenza, aerosol delivery is being actively explored as a method to administer vaccine antigens. Current animal models used to study respiratory pathogens suffer from anatomical disparity with humans. The pig is a natural and important host of influenza viruses and is physiologically more comparable to humans than other animal models in terms of size, respiratory tract biology and volume...
May 2018: PLoS Pathogens
https://www.readbyqxmd.com/read/29771962/progression-of-the-radiologic-severity-index-predicts-mortality-in-patients-with-parainfluenza-virus-associated-lower-respiratory-infections
#15
Ajay Sheshadri, Dimpy P Shah, Myrna Godoy, Jeremy J Erasmus, Juhee Song, Liang Li, Scott E Evans, Roy F Chemaly, Burton F Dickey, David E Ost
BACKGROUND: Radiologic severity may predict adverse outcomes after lower respiratory tract infection (LRI). However, few studies have quantified radiologic severity of LRIs. We sought to evaluate whether a semi-quantitative scoring tool, the Radiologic Severity Index (RSI), predicted mortality after parainfluenza virus (PIV)-associated LRI. METHODS: We conducted a retrospective review of consecutively-enrolled adult patients with hematologic malignancy or hematopoietic stem cell transplantation and with PIV detected in nasal wash who subsequently developed radiologically-confirmed LRI...
2018: PloS One
https://www.readbyqxmd.com/read/29771625/a-multifaceted-approach-to-rsv-vaccination
#16
Jorge C G Blanco, Marina S Boukhvalova, Trudy G Morrison, Stefanie N Vogel
Respiratory Syncytial Virus (RSV) is the leading cause of pneumonia and bronchiolitis in infants, resulting in significant morbidity and mortality worldwide. In addition, RSV infections occur throughout different ages, thus, maintaining the virus in circulation, and increasing health risk to more susceptible populations such as infants, the elderly, and the immunocompromised. To date, there is no vaccine approved to prevent RSV infection or minimize symptoms of infection. Current clinical trials for vaccines against RSV are being carried out in four very different populations...
May 17, 2018: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/29771574/is-adding-maternal-vaccination-to-prevent-whooping-cough-cost-effective-in-australia
#17
Laure-Anne Van Bellinghen, Alex Dimitroff, Michael Haberl, Xiao Li, Andrew Manton, Karen Moeremans, Nadia Demarteau
Pertussis or whooping cough, a highly infectious respiratory infection, causes significant morbidity and mortality in infants. In adolescents and adults, pertussis presents with atypical symptoms often resulting in under-diagnosis and under-reporting, increasing the risk of transmission to more vulnerable groups. Maternal vaccination against pertussis protects mothers and newborns. This evaluation assessed the cost-effectiveness of adding maternal dTpa (reduced antigen diphtheria, Tetanus, acellular pertussis) vaccination to the 2016 nationally-funded pertussis program (DTPa [Diphtheria, Tetanus, acellular Pertussis] at 2, 4, 6, 18 months, 4 years and dTpa at 12-13 years) in Australia...
May 17, 2018: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/29771233/regulation-of-gene-expression-of-hcp-a-core-gene-of-the-type-vi-secretion-system-in-acinetobacter-baumannii-causing-respiratory-tract-infection
#18
Yin-Yin Hu, Cai-Xia Liu, Peng Liu, Zhuo-Ying Wu, Ya-Dong Zhang, Xiao-Shun Xiong, Xiang-Yang Li
PURPOSE: The objective of the current study was to investigate whether hcp plays a role in the process of Acinetobacter baumannii infection and to examine clinically relevant factors that may affect hcp expression. METHODOLOGY: Seventy-seven A. baumannii isolates from patients with a respiratory infection at the Second Affiliated Hospital and Yuying Childrens Hospital of Wenzhou Medical University (Wenzhou, China) were included in this study. PCR was performed to screen for the presence of hcp...
May 17, 2018: Journal of Medical Microbiology
https://www.readbyqxmd.com/read/29771104/-appropriateness-of-antimicrobial-prescriptions-in-the-emergency-department-of-a-tertiary-hospital
#19
L Yunquera-Romero, I Márquez-Gómez, A Henares-López, M J Morales-Lara, C Gallego Fernández, R Asensi-Díez
OBJECTIVE: Antibiotics are widely prescribed in the Emergency Department (ED), representing 26-62% of outpatient antibiotic prescriptions. Around 40% of antibiotic prescriptions in hospitalized patients are inappropriate or unnecessary. The aim of the study was to assess the appropriateness of antibiotic prescriptions according to local empirical antibiotic treatment guidelines, in the ED of a tertiary hospital. METHODS: Observational, retrospective study including patients attending the ED in November 2016, with an antibiotic prescription, excluding those from residents...
May 16, 2018: Revista Española de Quimioterapia: Publicación Oficial de la Sociedad Española de Quimioterapia
https://www.readbyqxmd.com/read/29771035/-analysis-of-clinical-characteristics-of-141-patients-with-postviral-olfactory-dysfunction
#20
J Tian, Y X Wei, L Li, Z F Sun, B Q Wang
Objective: The aim of this study is to investigate the clinical features of the patients with postviral olfactory dysfunction (PVOD). Method: Clinical information of 141 consecutive outpatients with PVOD were collected and analyzed based on a questionnaire, including age, gender, months of onset, and symptoms. Sniffin'Sticks Test was used as a psychophysical olfactory test to evaluate olfactory function. Result: Retrospective analysis of 141 patients with PVOD, the male to female ratio of patients was 1.0:2...
May 20, 2017: Journal of Clinical Otorhinolaryngology, Head, and Neck Surgery
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