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https://www.readbyqxmd.com/read/28193180/viral-aetiology-of-bronchiolitis-in-hospitalised-children-in-qatar
#1
Ibrahim Janahi, Anas Abdulkayoum, Fawziya Almeshwesh, Mohamed Alkuwari, Ahmed Al Hammadi, Marwah Alameri
BACKGROUND: Bronchiolitis is considered one of the earliest and most common causes of hospitalisation in young children. Development of molecular technologies allowed a better understanding of bronchiolitis aetiology. Results from cohort studies evaluating the association between single, multiple viral infections and clinical outcomes are conflicting. Data on viral bronchiolitis in children were found to be limited in Qatar. This study aimed to determine frequency and seasonal trends of viral pathogens causing acute bronchiolitis, and to explore association between viral pathogens, disease severity and length of stay (LOS)...
February 13, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28192893/non-invasive-ventilation-improves-respiratory-distress-in-children-with-acute-viral-bronchiolitis-a-systematic-review
#2
Yann Combret, Guillaume Prieur, Pascal LE Roux, Clément Médrinal
BACKGROUND: Non-invasive ventilation (NIV) is a common treatment for bronchiolitis. However, consensus concerning its efficacy is lacking. The aim of this systematic review was to assess NIV effectiveness to reduce respiratory distress. Secondary objectives were to summarize the effects of NIV, identify predictive factors for failure and describe settings and applications. METHODS: Searches were conducted in MEDLINE Pubmed, PEDro, COCHRANE, EMBASE, CINAHL, Web of Science, Up-todate and Sudoc from 1990 to April 2015...
February 13, 2017: Minerva Anestesiologica
https://www.readbyqxmd.com/read/28178775/diagnosis-prevention-and-management-of-bronchiolitis-in-children-review-of-current-controversies
#3
Samantha A House, Shawn L Ralston
Viral bronchiolitis is a common and costly condition among young children worldwide, contributing to high medical expenditures in industrialized countries and significant mortality in low-income countries. Much research has focused on therapy for this disease entity, though the standard of care remains merely supportive. Current areas of active research include the nuances of defining bronchiolitis, a deeper exploration of causative viruses, the role and development of preventive strategies, and associated long-term outcomes...
April 2017: Minerva Pediatrica
https://www.readbyqxmd.com/read/28159510/immune-and-inflammatory-response-in-bronchiolitis-due-to-respiratory-syncytial-virus-and-rhinovirus-infections-in-infants
#4
REVIEW
Silvia Vandini, Elisabetta Calamelli, Giacomo Faldella, Marcello Lanari
Bronchiolitis is a common disease in infancy, mostly due to Respiratory Syncytial Virus and Rhinovirus. In addition to acute infection, viral bronchiolitis is responsible for sequelae including recurrent wheezing and asthma. The analysis of the viral characteristics and of the pathogenesis of the infection shows differences between the two viruses that may be helpful for the development of therapies and preventive strategies.
January 16, 2017: Paediatric Respiratory Reviews
https://www.readbyqxmd.com/read/28159006/the-potential-influence-of-human-parainfluenza-viruses-detected-during-hospitalization-among-critically-ill-patients-in-kuwait-2013-2015
#5
Sahar Essa, Haya Al-Tawalah, Sarah AlShamali, Widad Al-Nakib
BACKGROUND: The four types of human parainfluenza viruses (PIV) are important causes of community-acquired pneumonia, particularly in children; however, limited information exists about the incidence of PIV in critically ill patients. The aim of this study is to describe the spectrum, incidence and clinical features of PIV-associated infections diagnosed during the hospital stay of patients admitted to pediatric intensive care unit (PICU) and intensive care unit (ICU) of 5 medical centers across Kuwait...
February 3, 2017: Virology Journal
https://www.readbyqxmd.com/read/28131494/immunomodulation-by-hyperimmunoglobulins-after-solid-organ-transplantation-beyond-prevention-of-viral-infection
#6
REVIEW
Rogier van Gent, Herold J Metselaar, Jaap Kwekkeboom
Hyperimmunoglobulins are pharmaceutical formulations of human IgG which contain high titers of antibodies against specific viruses. They have been successfully used in solid organ transplantation (SOT) to prevent Cytomegalovirus (CMV) and Hepatitis B Virus (HBV) infection. The introduction of effective and cheaper antiviral drugs has resulted in decreasing usage of hyperimmunoglobulins in SOT. However, it may still be attractive to combine antiviral drug therapy with hyperimmunoglobulins after SOT, as there is some evidence that hyperimmunoglobulins, similar to high doses of intravenous immunoglobulins (IVIgs), might exert anti-inflammatory activity and thereby prevent immunological graft damage and improve graft and patient survival...
January 19, 2017: Transplantation Reviews
https://www.readbyqxmd.com/read/28124736/high-flow-nasal-cannula-hfnc-versus-nasal-continuous-positive-airway-pressure-ncpap-for-the-initial-respiratory-management-of-acute-viral-bronchiolitis-in-young-infants-a-multicenter-randomized-controlled-trial-tramontane-study
#7
Christophe Milési, Sandrine Essouri, Robin Pouyau, Jean-Michel Liet, Mickael Afanetti, Aurélie Portefaix, Julien Baleine, Sabine Durand, Clémentine Combes, Aymeric Douillard, Gilles Cambonie
PURPOSE: Nasal continuous positive airway pressure (nCPAP) is currently the gold standard for respiratory support for moderate to severe acute viral bronchiolitis (AVB). Although oxygen delivery via high flow nasal cannula (HFNC) is increasingly used, evidence of its efficacy and safety is lacking in infants. METHODS: A randomized controlled trial was performed in five pediatric intensive care units (PICUs) to compare 7 cmH2O nCPAP with 2 L/kg/min oxygen therapy administered with HFNC in infants up to 6 months old with moderate to severe AVB...
February 2017: Intensive Care Medicine
https://www.readbyqxmd.com/read/28065474/a-single-low-dose-of-a-cgmp-recombinant-bcg-vaccine-elicits-protective-t-cell-immunity-against-the-human-respiratory-syncytial-virus-infection-and-prevents-lung-pathology-in-mice
#8
Pablo F Céspedes, Emma Rey-Jurado, Janyra A Espinoza, Claudia A Rivera, Gisela Canedo-Marroquín, Susan M Bueno, Alexis M Kalergis
Human respiratory syncytial virus (hRSV) is a major health burden worldwide, causing the majority of hospitalizations in children under two years old due to bronchiolitis and pneumonia. HRSV causes year-to-year outbreaks of disease, which also affects the elderly and immunocompromised adults. Furthermore, both hRSV morbidity and epidemics are explained by a consistently high rate of re-infections that take place throughout the patient life. Although significant efforts have been invested worldwide, currently there are no licensed vaccines to prevent hRSV infection...
February 1, 2017: Vaccine
https://www.readbyqxmd.com/read/27992394/the-conundrum-in-the-diagnosis-and-management-of-atypical-fulminant-measles-in-a-leukemia-survivor-on-maintenance-chemotherapy
#9
James Guoxian Huang, Allen Eng Juh Yeoh, Paul Anantharajah Tambyah, Mas Isa Suhaila
We report the diagnostic and therapeutic challenges in an unusually fulminant presentation of measles, presenting as severe necrotizing bronchiolitis with secondary hemophagocytic lymphohistiocytosis (HLH) in the absence of classical clinical features in an immunocompromised host on maintenance chemotherapy. Our patient had presented with features of a viral pneumonitis without the classical exanthem, in combination with HLH. Although rhinovirus-induced HLH was highly unusual, the positive rhinovirus swab result had distracted us from the eventual diagnosis...
January 2017: Journal of Pediatric Hematology/oncology
https://www.readbyqxmd.com/read/27940684/cytokine-elevation-in-sudden-death-with-respiratory-syncytial-virus-a-case-report-of-2-children
#10
Yu Kakimoto, Yoshihisa Seto, Eriko Ochiai, Fumiko Satoh, Motoki Osawa
Respiratory syncytial virus (RSV) is the most common viral cause of bronchiolitis and pneumonia in young children worldwide. Premature birth, bronchopulmonary dysplasia, congenital heart disease, and Down syndrome are risk factors for high mortality and prolonged morbidity after RSV infection. Conversely, many previously healthy, full-term children are also admitted to the hospital because of RSV, and some of them experience severe sequelae or die due to the virus. Various complications of RSV infection have been reported, such as encephalopathy, encephalitis, and cardiomyopathy...
December 2016: Pediatrics
https://www.readbyqxmd.com/read/27940177/-use-of-high-flow-nasal-cannula-in-infants-with-bronchiolitis-in-a-pediatric-emergency-department
#11
M Guimaraes, M Pomedio, M Viprey, L Kanagaratnam, K Bessaci
High-flow nasal cannula oxygen therapy (HFNC) is a technique for noninvasive ventilation commonly used in pediatric intensive care units for respiratory distress, particularly in acute bronchiolitis. HFNC was introduced in the pediatric emergency department of the Reims university hospital for the treatment of infants with moderate to severe acute viral bronchiolitis. This retrospective observational study aimed to investigate the use of HFNC in a pediatric emergency ward, describing the groups of infants with acute viral bronchiolitis to be treated either with conventional oxygen therapy or with HFNC therapy...
January 2017: Archives de Pédiatrie: Organe Officiel de la Sociéte Française de Pédiatrie
https://www.readbyqxmd.com/read/27890033/il-8-il-17-gene-variations-and-the-susceptibility-to-severe-viral-bronchiolitis
#12
L A Pinto, L A DE Azeredo Leitão, M Mocellin, P Acosta, M T Caballero, R Libster, J E Vargas, F Polack, T Comaru, R T Stein, A P DE Souza
Clinical manifestations of acute bronchiolitis (AB) vary from minimal disease to severe respiratory failure. The response to respiratory viral infections is possibly influenced by genetic polymorphisms linked to the regulation of the inflammatory response. In the present study, we investigated whether interleukin-8 (IL-8) and interleukin-17 (IL-17) genetic variants are associated with the severity of AB. A group of Brazilian infants hospitalized with AB and a control group (infants with no or mild AB, without hospitalization) were genotyped for four IL-8/IL-17 variations...
November 28, 2016: Epidemiology and Infection
https://www.readbyqxmd.com/read/27885562/respiratory-syncytial-virus-and-influenza-are-the-key-viral-pathogens-in-children-2%C3%A2-years-hospitalized-with-bronchiolitis-and-pneumonia-in-islamabad-pakistan
#13
Uzma Bashir, Nadia Nisar, Yasir Arshad, Muhammad Masroor Alam, Asiya Ashraf, Hajra Sadia, Birjees Mazher Kazi, Syed Sohail Zahoor Zaidi
Pneumonia remains a leading cause of morbidity and mortality in developing countries. Comprehensive surveillance data are needed to review the prevention and control strategies. We conducted active surveillance of acute lower respiratory infections among children aged <2 years hospitalized at two hospitals of Islamabad, Pakistan. Viral etiology was determined using real-time PCR on respiratory specimens collected during March 2011-April 2012. The overall mean age was 7.83 ± 5.25 months while no statistical difference between age or sex distribution of patients with positive and negative viral etiology (p > 0...
November 24, 2016: Archives of Virology
https://www.readbyqxmd.com/read/27871304/respiratory-viral-infections-and-host-responses-insights-from-genomics
#14
REVIEW
Niamh M Troy, Anthony Bosco
Respiratory viral infections are a leading cause of disease and mortality. The severity of these illnesses can vary markedly from mild or asymptomatic upper airway infections to severe wheezing, bronchiolitis or pneumonia. In this article, we review the viral sensing pathways and organizing principles that govern the innate immune response to infection. Then, we reconstruct the molecular networks that differentiate symptomatic from asymptomatic respiratory viral infections, and identify the underlying molecular drivers of these networks...
November 21, 2016: Respiratory Research
https://www.readbyqxmd.com/read/27850160/520-pediatric-acute-respiratory-distress-syndrome-in-viral-bronchiolitis
#15
Neha Longani, Shivanand Medar
No abstract text is available yet for this article.
December 2016: Critical Care Medicine
https://www.readbyqxmd.com/read/27832233/lack-of-association-between-viral-load-and-severity-of-acute-bronchiolitis-in-infants
#16
Ana Paula Duarte de Souza, Lidiane Alves de Azeredo Leitão, Fernanda Luisi, Rodrigo Godinho Souza, Sandra Eugênia Coutinho, Jaqueline Ramos da Silva, Rita Mattiello, Paulo Márcio Condessa Pitrez, Renato Tetelbom Stein, Leonardo Araújo Pinto
Objective: To investigate the correlation between respiratory syncytial viral load and length of hospitalization in infants with acute wheezing episodes. Methods: This was a two-year, cross-sectional study of infants ≤ 12 months of age with bronchiolitis at the time of admission to a tertiary hospital. For the identification of respiratory viruses, nasopharyngeal secretions were collected. Samples were analyzed (throughout the study period) by direct immunofluorescence and (in the second year of the study) by quantitative real-time PCR...
July 2016: Jornal Brasileiro de Pneumologia: Publicaça̋o Oficial da Sociedade Brasileira de Pneumologia e Tisilogia
https://www.readbyqxmd.com/read/27805553/-monoinfection-of-human-metapneumovirus-in-cordoba-first-clinical-and-epidemiological-research-in-children-with-respiratory-infection-in-2011
#17
Pamela Elizabeth Rodriguez, María Pilar Adamo, María Gabriela Paglini, Laura Moreno, Jorge Augusto Camara, Alicia Camara
: Human metapneumovirus (hMPV) RNA virus discovered in 2001, is a pathogen associated with acute respiratory infection (ARI) in children under 5 years; its prevalence ranges from 5-15%. In Córdoba, it is not integrated into the viral research in patients with low IRA (LARI). OBJECTIVE: Detect hMPV in children under 5 years hospitalized for LARI in the Children's Hospital "Santísima Trinidad" of Cordoba (HNC) in 2011 and describe the clinical and epidemiological characteristics of monoinfecciones without comorbidity...
2016: Revista de la Facultad de Ciencias Médicas
https://www.readbyqxmd.com/read/27798551/risk-factors-for-virus-induced-acute-respiratory-tract-infections-in-children-younger-than-3-years-and-recurrent-wheezing-at-36-months-follow-up-after-discharge
#18
Ambra Nicolai, Antonella Frassanito, Raffaella Nenna, Giulia Cangiano, Laura Petrarca, Paola Papoff, Alessandra Pierangeli, Carolina Scagnolari, Corrado Moretti, Fabio Midulla
BACKGROUND: We sought to know more about how 14 common respiratory viruses manifest clinically, and to identify risk factors for specific virus-induced acute respiratory tract infections (ARTIs) in children younger than 3 years old and for wheezing at 36-month follow-up. METHODS: We retrospectively studied the clinical records for 273 full-term children (median age, 2.9 months; range, 0.26-39; boys, 61.2%) hospitalized for ARTIs, whose nasopharyngeal specimen tested positive for a respiratory virus and 101 children with no history of respiratory diseases (median age, 8 months; range, 0...
February 2017: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/27764220/epidemiology-and-clinical-presentations-of-respiratory-syncytial-virus-subgroups-a-and-b-detected-with-multiplex-real-time-pcr
#19
Wenkuan Liu, Dehui Chen, Weiping Tan, Duo Xu, Shuyan Qiu, Zhiqi Zeng, Xiao Li, Rong Zhou
Respiratory syncytial virus (RSV) is one of the most important pathogenic infections of children and requires in-depth research worldwide, and especially in developing countries. We used a novel multiplex real-time PCR to test 5483 patients (≤ 14 years old) hospitalized with respiratory illness in Guangzhou, China, over a 3-year period. Of these patients, 729 were positive for RSV-A (51.2%, 373/729) or RSV-B (48.8%, 356/729), but none was infected with both viruses. Two seasonal peaks in total RSV were detected at the changes from winter to spring and from summer to autumn...
2016: PloS One
https://www.readbyqxmd.com/read/27716790/cathepsin-l-helps-to-defend-mice-from-infection-with-influenza-a
#20
Xiang Xu, John R Greenland, Jeffrey E Gotts, Michael A Matthay, George H Caughey
Host-derived proteases can augment or help to clear infections. This dichotomy is exemplified by cathepsin L (CTSL), which helps Hendra virus and SARS coronavirus to invade cells, but is essential for survival in mice with mycoplasma pneumonia. The present study tested the hypothesis that CTSL protects mice from serious consequences of infection by the orthomyxovirus influenza A, which is thought to be activated by host-supplied proteases other than CTSL. Ctsl-/- mice infected with influenza A/Puerto Rico/8/34(H1N1) had larger lung viral loads and higher mortality than infected Ctsl+/+ mice...
2016: PloS One
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