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https://www.readbyqxmd.com/read/30109291/detection-of-non-influenza-viruses-in-acute-respiratory-infections-in-children-under-five-year-old-in-cote-d-ivoire-january-december-2013
#1
Herve A Kadjo, Edgard Adjogoua, Ndongo Dia, Marius Adagba, Ouattara Abdoulaye, Saraka Daniel, Bertin Kouakou, David C Ngolo, Daouda Coulibaly, Talla Nzussouo Ndahwouh, Mireille Dosso
Background: Influenza sentinel surveillance in Cote d'Ivoire showed that 70% of Acute Respiratory Infections (ARI) cases remained without etiology. This work aims to describe the epidemiological, clinical, and virological pattern of ARI that tested negative for influenza virus, in children under five years old. Materials and Methods: one thousand and fifty nine samples of patients presenting influenza Like Illness (ILI) or Severe Acute Respiratory Infections (SARI) symptoms were tested for other respiratory viruses using multiplex RT-PCR assays targeting 10 respiratory viruses...
2018: African Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29961826/parainfluenza-virus-in-hospitalized-adults-a-7-year-retrospective-study
#2
Elliott Russell, Amy Yang, Sydney Tardrew, Michael G Ison
Background: Parainfluenza virus (PIV) is a cause of respiratory tract infection in children and the immunocompromised population, but its clinical manifestations, impact, and outcomes in hospitalized adults are not well studied. Methods: This retrospective study included adults (≥18 years old) admitted to Northwestern Memorial Hospital or Prentice Women's Hospital (both in Chicago, Illinois) between 1 August 2009 and 31 July 2016 with a positive molecular test result for PIV...
May 28, 2018: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/29851817/age-related-prevalence-of-common-upper-respiratory-pathogens-based-on-the-application-of-the-filmarray-respiratory-panel-in-a-tertiary-hospital-in-greece
#3
Nikolaos J Tsagarakis, Anthi Sideri, Panagiotis Makridis, Argyro Triantafyllou, Alexandra Stamoulakatou, Eleni Papadogeorgaki
The FilmArray Respiratory Panel (FA-RP) is an FDA certified multiplex PCR that can detect 17 viruses and 3 bacteria responsible for upper respiratory tract infections, thus it is potentially useful to the assessment of the age-related prevalence of these pathogens.In this observational study, we retrospectively analyzed the results of all the respiratory samples, which had been processed during 1 year-period (November 2015 to November 2016) with the FA-RP, in the Central Laboratories of Hygeia & Mitera General Hospitals of Athens, Greece...
June 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29780847/community-acquired-respiratory-paramyxovirus-infection-after-allogeneic-hematopoietic-cell-transplantation-a-single-center-experience
#4
Yasmin Spahr, Sarah Tschudin-Sutter, Veronika Baettig, Francesca Compagno, Michael Tamm, Jörg Halter, Sabine Gerull, Jakob Passweg, Hans H Hirsch, Nina Khanna
Background: Paramyxoviruses include respiratory syncytial virus (RSV), parainfluenza virus (PIV), and human metapneumovirus (MPV), which may cause significant respiratory tract infectious disease (RTID) and mortality after allogeneic hematopoietic cell transplantation (HCT). However, clinical data regarding frequency and outcome are scarce. Methods: We identified all paramyxovirus RTIDs in allogeneic HCT recipients diagnosed by multiplex polymerase chain reaction between 2010 and 2014...
May 2018: Open Forum Infectious Diseases
https://www.readbyqxmd.com/read/29777867/antibiotic-exposure-prior-to-respiratory-viral-infection-is-associated-with-progression-to-lower-respiratory-tract-disease-in-allogeneic-hematopoietic-cell-transplant-recipients
#5
Chikara Ogimi, Elizabeth M Krantz, Jonathan L Golob, Alpana Waghmare, Catherine Liu, Wendy M Leisenring, Christopher R Woodard, Sara Marquis, Jane M Kuypers, Keith R Jerome, Steven A Pergam, David N Fredricks, Mohamed L Sorror, Janet A Englund, Michael Boeckh
Recent publications note an association between antibiotic exposure and respiratory viral infections (RVIs). Antibiotics affect microbiota and impair immune response against RVIs in mice, and low microbiome diversity is associated with pulmonary complications including viral lower respiratory tract disease (LRTD) in hematopoietic cell transplantation (HCT) recipients. In this study, we examined whether antibiotic exposure was associated with increased risk of disease progression in RVIs post-transplantation...
May 16, 2018: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/29771962/progression-of-the-radiologic-severity-index-predicts-mortality-in-patients-with-parainfluenza-virus-associated-lower-respiratory-infections
#6
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/29742628/evaluation-of-dwell-time-for-peripheral-intravenous-catheters-started-in-the-field-for-geriatric-blunt-trauma-patients
#7
Darcy L Day, Francisco Conde
Replacement time for peripheral intravenous (PIV) catheters started in the field is unclear. The purpose of this study was to compare field-start PIV catheter dwell time of 2 days or less versus field-start PIV catheter dwell time of more than 2 days for the development of indicators of infection for geriatric blunt trauma patients. A retrospective case series was conducted at the state-designated trauma referral center. Activated trauma team patients with blunt injury were included if 65 years or older and if admitted from the field for 7 days or more with a PIV catheter placed prehospital...
May 2018: Journal of Trauma Nursing: the Official Journal of the Society of Trauma Nurses
https://www.readbyqxmd.com/read/29720526/-pseudomonas-aeruginosa-protease-iv-exacerbates-pneumococcal-pneumonia-and-systemic-disease
#8
Jessica L Bradshaw, Armando R Caballero, Michael A Bierdeman, Kristen V Adams, Haley R Pipkins, Aihua Tang, Richard J O'Callaghan, Larry S McDaniel
Pneumonia is a pulmonary disease affecting people of all ages and is consistently a leading cause of childhood mortality and adult hospitalizations. Streptococcus pneumoniae and Pseudomonas aeruginosa are major lung pathogens commonly associated with community-acquired and nosocomial pneumonia. Additionally, mixed lung infections involving these bacterial pathogens are increasing in prevalence and are frequently more severe than single infections. The cooperative interactions of these two pathogens that impact pulmonary disease severity are understudied...
May 2018: MSphere
https://www.readbyqxmd.com/read/29620934/factors-associated-with-lower-respiratory-tract-infections-in-hiv-exposed-uninfected-infants
#9
Adriana Weinberg, Marisa M Mussi-Pinhata, Qilu Yu, Rachel A Cohen, Volia C Almeida, Fabiana R Amaral, Laura Freimanis, Donald Robert Harris, Christiana Smith, George Siberry
To identify factors that predispose human immunodeficiency virus (HIV)-exposed uninfected infants (HEUs) to higher incidence of severe infections, hospitalization, and death in the first 6-24 months of life compared with HEUs with and without lower respiratory tract infection (LRTI) in the first 6 months of life. Nested case-control study of 107 LRTI+ infants enrolled in the International Site Development Initiative (NISDI) Perinatal and Longitudinal Study in Latin American Countries (LILAC) studies with and 140 LRTI- in the first 6 months, matched by date and place of birth...
June 2018: AIDS Research and Human Retroviruses
https://www.readbyqxmd.com/read/29518269/viral-etiologies-of-influenza-like-illness-and-severe-acute-respiratory-infections-in-thailand
#10
Malinee Chittaganpitch, Sunthareeya Waicharoen, Thitipong Yingyong, Prabda Praphasiri, Somchai Sangkitporn, Sonja J Olsen, Kim A Lindblade
BACKGROUND: Information on the burden, characteristics and seasonality of non-influenza respiratory viruses is limited in tropical countries. OBJECTIVES: Describe the epidemiology of selected non-influenza respiratory viruses in Thailand between June 2010 and May 2014 using a sentinel surveillance platform established for influenza. METHODS: Patients with influenza-like illness (ILI; history of fever or documented temperature ≥38°C, cough, not requiring hospitalization) or severe acute respiratory infection (SARI; history of fever or documented temperature ≥38°C, cough, onset <10 days, requiring hospitalization) were enrolled from 10 sites...
July 2018: Influenza and Other Respiratory Viruses
https://www.readbyqxmd.com/read/29489664/risk-factors-for-severe-bronchiolitis-caused-by-respiratory-virus-infections-among-mexican-children-in-an-emergency-department
#11
Mireya Robledo-Aceves, María de Jesús Moreno-Peregrina, Fernando Velarde-Rivera, Elba Ascencio-Esparza, Francisco M Preciado-Figueroa, Miguela A Caniza, Griselda Escobedo-Melendez
Severe bronchiolitis is the most common reason for hospitalization among children younger than 2 years. This study analyzed the prevalence of community-acquired respiratory virus infection and the risk factors for hospitalization of Mexican children with severe bronchiolitis treated in an Emergency department.This retrospective study included 134 children 2 years or younger with severe viral bronchiolitis, and 134 healthy age-matched controls. The study period was September 2012 to January 2015. We determined the viral etiology and coinfections with multiple viruses and compared the risk factors detected in children with severe viral bronchiolitis with those in the control group...
March 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29477066/supercritical-fluid-chromatography-photodiode-array-detection-electrospray-ionization-mass-spectrometry-as-a-framework-for-impurity-fate-mapping-in-the-development-and-manufacture-of-drug-substances
#12
Gregory F Pirrone, Rose M Mathew, Alexey A Makarov, Frank Bernardoni, Artis Klapars, Robert Hartman, John Limanto, Erik L Regalado
Impurity fate and purge studies are critical in order to establish an effective impurity control strategy for approval of the commercial filing application of new medicines. Reversed phase liquid chromatography-diode array-mass spectrometry (RPLC-DAD-MS) has traditionally been the preferred tool for impurity fate mapping. However, separation of some reaction mixtures by LC can be very problematic requiring combination LC-UV for area % analysis and a different LC-MS method for peak identification. In addition, some synthetic intermediates might be chemically susceptible to the aqueous conditions used in RPLC separations...
March 30, 2018: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/29456976/respiratory-viruses-in-febrile-neutropenic-patients-with-respiratory-symptoms
#13
Mohsen Meidani, Seyed Alireza Mirmohammad Sadeghi
Background: Respiratory infections are a frequent cause of fever in neutropenic patients, whereas respiratory viral infections are not frequently considered as a diagnosis, which causes high morbidity and mortality in these patients. Materials and Methods: This prospective study was performed on 36 patients with neutropenia who admitted to hospital were eligible for inclusion with fever (single temperature of >38.3°C or a sustained temperature of >38°C for more than 1 h), upper and lower respiratory symptoms...
2018: Advanced Biomedical Research
https://www.readbyqxmd.com/read/29411555/innate-immune-response-to-viral-infections-in-primary-bronchial-epithelial-cells-is-modified-by-the-atopic-status-of-asthmatic-patients
#14
Sylwia Moskwa, Wojciech Piotrowski, Jerzy Marczak, Małgorzata Pawełczyk, Anna Lewandowska-Polak, Marzanna Jarzębska, Małgorzata Brauncajs, Anna Głobińska, Paweł Górski, Nikolaos G Papadopoulos, Michael R Edwards, Sebastian L Johnston, Marek L Kowalski
PURPOSE: In order to gain an insight into determinants of reported variability in immune responses to respiratory viruses in human bronchial epithelial cells (HBECs) from asthmatics, the responses of HBEC to viral infections were evaluated in HBECs from phenotypically heterogeneous groups of asthmatics and in healthy controls. METHODS: HBECs were obtained during bronchoscopy from 10 patients with asthma (6 atopic and 4 non-atopic) and from healthy controls (n=9) and grown as undifferentiated cultures...
March 2018: Allergy, Asthma & Immunology Research
https://www.readbyqxmd.com/read/29394367/contribution-to-malaria-transmission-of-symptomatic-and-asymptomatic-parasite-carriers-in-cambodia
#15
Amélie Vantaux, Reingsey Samreth, Eakpor Piv, Nimol Khim, Saorin Kim, Laura Berne, Sophy Chy, Dysoley Lek, Sovannaroth Siv, Walter R Taylor, Didier Ménard
Background: Eliminating falciparum malaria in Cambodia is a top priority, requiring the implementation of novel tools and strategies to interrupt its transmission. To date, few data are available regarding the contributions to malaria transmission of symptomatic and asymptomatic carriers. Methods: Direct-membrane and skin feeding assays (DMFAs, SFAs) were performed, using Anopheles minimus and Anopheles dirus, to determine infectivity of symptomatic falciparum-infected patients and malaria asymptomatic carriers; a subset of the latter were followed up for 2 months to assess their transmission potential...
April 23, 2018: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29388679/viral-etiologies-and-epidemiology-of-patients-with-acute-respiratory-infections-based-on-sentinel-hospitals-in-gansu-province-northwest-china-2011-2015
#16
Xuechao Li, Juansheng Li, Lei Meng, Wanqi Zhu, Xinfeng Liu, Mei Yang, Deshan Yu, Lixia Niu, Xiping Shen
Understanding etiological role and epidemiological profile is needed to improve clinical management and prevention of acute respiratory infections (ARIs). A 5-year prospective study about active surveillance for outpatients and inpatients with ARIs was conducted in Gansu province, China, from January 2011 to November 2015. Respiratory specimens were collected from patients and tested for eight respiratory viruses using polymerase chain reaction (PCR) or reverse transcription polymerase chain reaction (RT-PCR)...
May 2018: Journal of Medical Virology
https://www.readbyqxmd.com/read/29359411/parainfluenza-virus-type-3-outbreak-in-a-neonatal-intensive-care-unit
#17
Hajime Maeda, Kentaro Haneda, Yoshinobu Honda
Parainfluenza virus (PIV) is a respiratory pathogen in young children and is second only to the respiratory syncytial virus (RSV) as a cause of lower respiratory tract infection. PIV type 3 (PIV3) is the most severe. Herein we describe an outbreak of PIV3 in three infants in a neonatal intensive care unit. They were diagnosed on virus culture from pharyngeal swabs. We prevented the spread of the virus using standard infection control procedures and isolation of the symptomatic infants. One infant had severe chronic lung disease and was complicated with recurrent wheezing for a long time...
November 2017: Pediatrics International: Official Journal of the Japan Pediatric Society
https://www.readbyqxmd.com/read/29327237/regional-age-and-respiratory-secretion-specific-prevalence-of-respiratory-viruses-associated-with-asthma-exacerbation-a-literature-review
#18
REVIEW
Xue-Yan Zheng, Yan-Jun Xu, Wei-Jie Guan, Li-Feng Lin
Despite increased understanding of how viral infection is involved in asthma exacerbations, it is less clear which viruses are involved and to what extent they contribute to asthma exacerbations. Here, we sought to determine the prevalence of different respiratory viruses during asthma exacerbations. Systematic computerized searches of the literature up to June 2017 without language limitation were performed. The primary focus was on the prevalence of respiratory viruses, including AdV (adenovirus), BoV (bocavirus), CoV (coronavirus), CMV (cytomegalovirus), EnV (enterovirus), HSV (herpes simplex virus), IfV (influenza virus), MpV (metapneumovirus), PiV (parainfluenzavirus), RV (rhinovirus) and RSV (respiratory syncytial virus) during asthma exacerbations...
April 2018: Archives of Virology
https://www.readbyqxmd.com/read/29279451/epidemiology-of-respiratory-pathogens-in-children-with-lower-respiratory-tract-infections-in-shanghai-china-from-2013-to-2015
#19
Pengcheng Liu, Menghua Xu, Leiyan He, Liyun Su, Aimin Wang, Pan Fu, Lijuan Lu, Chuanqing Wang, Jin Xu
This study aimed to explore the epidemiology of pathogens in children who were hospitalized with lower respiratory tract infections (LRTIs) at the Children's Hospital of Fudan University, Shanghai, China. Children aged less than 18 years who were hospitalized with LRTIs were enrolled from January 2013 to December 2015. Respiratory specimens were collected for the detection of common respiratory viruses, atypical bacteria, and other bacteria using current laboratory diagnostic tests. The epidemiological characteristics of the respiratory pathogens were analyzed...
January 23, 2018: Japanese Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29093083/dynamics-of-sendai-virus-spread-clearance-and-immunotherapeutic-efficacy-after-hematopoietic-cell-transplant-imaged-noninvasively-in-mice
#20
Heba H Mostafa, Peter Vogel, Ashok Srinivasan, Charles J Russell
There are no approved vaccines or virus-specific treatments for human parainfluenza viruses (HPIVs), which have recently been reclassified into the species Human respirovirus 1 , Human respirovirus 3 , Human rubulavirus 2 , and Human rubulavirus 4 These viruses cause morbidity and mortality in immunocompromised patients, including those undergoing hematopoietic cell transplant (HCT). No small-animal models for noninvasive imaging of respiratory virus infection in the HCT host exist, despite the utility that such a system would offer to monitor prolonged infection, its clearance, and treatment options...
January 15, 2018: Journal of Virology
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