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Acute bronchiolitis

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https://www.readbyqxmd.com/read/27893614/the-presence-of-pretransplant-hla-antibodies-does-not-impact-the-development-of-chronic-lung-allograft-dysfunction-or-clad-related-death
#1
Oscar E Zazueta, Sara E Preston, Anna Moniodis, Sabrina Fried, Miae Kim, Keri Townsend, Isabelle Wood, Steve Boukedes, Indira Guleria, Phillip Camp, Souheil El-Chemaly, Ivan O Rosas, Anil Chandraker, Edgar Milford, Hilary J Goldberg
BACKGROUND: Development of Donor-specific Antibodies (DSA) after lung transplantation is associated with antibody mediated rejection (AMR), acute cellular rejection, and bronchiolitis obliterans syndrome (BOS); however, the significance of circulating antibodies before transplant remains unclear. METHODS: We performed a retrospective cohort study including recipients of primary lung transplants between 2008 and 2012.We assessed the impact of circulating human leukocyte (HLA) and noncytotoxic Donor Specific antibodies (DSA) detected before transplant on development of Chronic Lung Allograft Dysfunction (CLAD) or CLAD related death...
November 23, 2016: Transplantation
https://www.readbyqxmd.com/read/27892438/comparison-of-initial-response-of-nebulized-salbutamol-and-adrenaline-in-infants-and-young-children-admitted-with-acute-bronchiolitis
#2
S Adhikari, P Thapa, K S Rao, G Bk
Background Acute bronchiolitis is common cause of hospitalization in infants and young children. There are widespread variations in the diagnosis and management. Despite the use of bronchodilators for decades, there is lack of consensus for the benefit of one above another. Objective To compare initial response of nebulized adrenaline and salbutamol. Method Children aged two months to two years admitted with acute bronchiolitis in the department of Paediatrics of Manipal teaching hospital, Pokhara, Nepal, from 1st March 2014 to 28th February 2015 were enrolled...
January 2016: Kathmandu University Medical Journal (KUMJ)
https://www.readbyqxmd.com/read/27890033/il-8-il-17-gene-variations-and-the-susceptibility-to-severe-viral-bronchiolitis
#3
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/27889372/-non-invasive-ventilation-in-children-do-we-need-more-evidence
#4
G Mortamet, G Emeriaud, P Jouvet, B Fauroux, S Essouri
Respiratory failure is the leading cause of hospital admissions in the pediatric intensive care unit (PICU) and is associated with significant morbidity and mortality. Mechanical ventilation, preferentially delivered by a non-invasive route (NIV), is currently the first-line treatment for respiratory failure since it is associated with a reduction in the intubation rate. This ventilatory support is increasingly used in the PICU, but its wider use contrasts with the paucity of studies in this field. This review aims to describe the main indications of NIV in acute settings: (i) bronchiolitis; (ii) postextubation respiratory failure; (iii) acute respiratory distress syndrome; (iv) pneumonia; (v) status asthmaticus; (vi) acute chest syndrome; (vii) left heart failure; (viii) exacerbation of chronic respiratory failure; (ix) upper airway obstruction and (x) end-of-life care...
November 23, 2016: Archives de Pédiatrie: Organe Officiel de la Sociéte Française de Pédiatrie
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
#5
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/27884536/-chest-x-ray-and-acute-bronchiolitis-are-these-indications-decreasing
#6
V Arnoux, A Carsin, E Bosdure, K Retornaz, B Chabrol, G Gorincour, J Mancini, A Dabadie, J-C Dubus
OBJECTIVE: A management protocol for infants hospitalized for acute bronchiolitis, established after the study conducted in our unit in 2012, recommends a chest X-ray when the clinical course is unusual or if a differential diagnosis is suspected. The goal of this study was to evaluate professional practices after the introduction of this new management protocol. STUDY DESIGN: Retrospective descriptive study in two pediatric units from October 2013 to March 2015, including infants (0-23 months) hospitalized for their first episode of acute bronchiolitis without any underlying chronic condition...
November 21, 2016: Archives de Pédiatrie: Organe Officiel de la Sociéte Française de Pédiatrie
https://www.readbyqxmd.com/read/27866541/-influencing-factors-for-postoperative-survival-of-patients-with-stage-iii-silicosis-treated-by-lung-transplantation
#7
W J Mao, X W Nie, W Xia, M F Zheng, R Chen, Y J He, F Liu, S G Ye, R G Lu, J Y Chen
Objective: To investigate the clinical effect, postoperative complications, and causes of death in the treatment of stage III silicosis with lung transplantation and the influencing factors for survival. Methods: A retrospective analysis was performed for the clinical data of 32 patients with stage III silicosis who underwent lung transplantation in our hospital from September 2002 to September 2015. The survival, causes of death, and postoperative complications were analyzed. The Kaplan-Meier method was used to plot survival curves, the log-rank test was used to compare the influence of each factor on survival rates, and the multivariate Cox proportional hazards regression model was used to evaluate the influence of each factor on survival...
September 20, 2016: Chinese Journal of Industrial Hygiene and Occupational Diseases
https://www.readbyqxmd.com/read/27865727/-epidemiology-of-patients-hospitalised-due-to-bronchiolitis-in-the-south-of-europe-analysis-of-the-epidemics-2010-2015
#8
José Miguel Ramos-Fernández, Eva Pedrero-Segura, Mario Gutiérrez-Bedmar, Beatriz Delgado-Martín, Ana María Cordón-Martínez, David Moreno-Pérez, Antonio Urda-Cardona
INTRODUCTION: The renewal of clinical practice guidelines on acute bronchiolitis (AB) requires the re-assessment of the consequences of their implementation. An update is presented on the main clinical and epidemiological variables in patients hospitalised due to AB in Southern Europe and an analysis made of the causes associated with longer hospital stay. PATIENTS AND METHOD: A retrospective study was conducted on patients admitted to hospital due to AB during 5 epidemics (2010-2015), with an analysis of the major clinical and epidemiological variables...
November 16, 2016: Anales de Pediatría: Publicación Oficial de la Asociación Española de Pediatría (A.E.P.)
https://www.readbyqxmd.com/read/27864284/region-specific-role-for-pten-in-maintenance-of-epithelial-phenotype-and-integrity
#9
Per Flodby, Janice Marie Liebler, Mitsuhiro Sunohara, Dan Ran, Alicia M McConnell, Manda Sai Krishnaveni, Agnes Banfalvi, Min Li, Barry R Stripp, Beiyun Zhou, Edward D Crandall, Parviz Minoo, Zea Borok
Previous studies have demonstrated resistance to naphthalene-induced injury in proximal airways of mice with lung epithelial-specific deletion of the tumor-suppressor gene Pten, attributed to increased proliferation of airway progenitors. We tested effects of Pten loss following bleomycin injury, a model typically used to study distal lung epithelial injury, in conditional PtenSFTPC-cre knockout mice. Pten-deficient airway epithelium exhibited marked hyperplasia, particularly in small bronchioles and at bronchoalveolar duct junctions, with reduced E-cadherin and β-catenin expression between cells towards the luminal aspect of the hyperplastic epithelium...
November 18, 2016: American Journal of Physiology. Lung Cellular and Molecular Physiology
https://www.readbyqxmd.com/read/27850603/965-use-of-ram-cannula-in-infants-with-acute-respiratory-failure-secondary-to-bronchiolitis
#10
Nikhil Patankar, Omar Al-Ibrahim
No abstract text is available yet for this article.
December 2016: Critical Care Medicine
https://www.readbyqxmd.com/read/27850160/520-pediatric-acute-respiratory-distress-syndrome-in-viral-bronchiolitis
#11
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
#12
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/27830023/over-expression-of-heat-shock-protein-70-protects-mice-against-lung-ischemia-reperfusion-injury-through-sirt1-ampk-enos-pathway
#13
Shumei Liu, Junping Xu, Chunfang Fang, Chunjing Shi, Xin Zhang, Bo Yu, Yantong Yin
Lung ischemia/reperfusion injury (LIRI) usually occurs during in lung transplantation and extracorporeal circulation operation and may develop into pulmonary infections, acute rejection and bronchiolitis obliterans syndrome. Recent studies have discovered the protective effect of heat shock protein 70 (HSP70) on various types of injuries. In the present study, we firstly explore the role of over-expressed HSP70 on the protection against LIRI. Lung Wet/Dry (W/D) ratio, biomarkers in the bronchoalveolar lavage fluid (BALF), lung histological changes and apoptosis markers, oxidative products and proinflammatory cytokines in the lung tissues were analyzed...
2016: American Journal of Translational Research
https://www.readbyqxmd.com/read/27805553/-monoinfection-of-human-metapneumovirus-in-cordoba-first-clinical-and-epidemiological-research-in-children-with-respiratory-infection-in-2011
#14
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/27799386/association-of-nasopharyngeal-microbiota-profiles-with-bronchiolitis-severity-in-infants-hospitalised-for-bronchiolitis
#15
Kohei Hasegawa, Jonathan M Mansbach, Nadim J Ajami, Janice A Espinola, David M Henke, Joseph F Petrosino, Pedro A Piedra, Chad A Shaw, Ashley F Sullivan, Carlos A Camargo
Little is known about the relationship between the specific airway microbiota composition and severity of bronchiolitis. We aimed to identify nasopharyngeal microbiota profiles and link these profiles to acute severity in infants hospitalised for bronchiolitis.We conducted a multicentre prospective cohort study of 1005 infants (age <1 year) hospitalised for bronchiolitis over three winters, 2011-2014. By applying a 16S rRNA gene sequence and clustering approach to the nasopharyngeal aspirates collected within 24 h of hospitalisation, we determined nasopharyngeal microbiota profiles and their association with bronchiolitis severity...
November 2016: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
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
#16
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 and for wheezing at 36-months 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...
October 27, 2016: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/27790933/nutritional-status-metabolic-state-and-nutrient-intake-in-children-with-bronchiolitis
#17
V De Cosmi, N M Mehta, A Boccazzi, G P Milani, S Esposito, G Bedogni, C Agostoni
Nutrition has a coadjuvant role in the management of children with acute diseases. We aimed to examine nutritional status, macronutrient requirements and actual macronutrient delivery in bronchiolitis. The nutritional status was classified according to WHO criteria and resting energy expenditure (MREE) was measured using an indirect calorimeter. Bland-Altman analysis was used to examine the agreement between MREE and estimated energy expenditure (EEE) with standard equations. Based on the ratio MREE/EEE in relation to Schofield equation on admission, we defined the subjects' metabolic status...
October 28, 2016: International Journal of Food Sciences and Nutrition
https://www.readbyqxmd.com/read/27722041/hypoxemia-is-an-independent-predictor-of-bronchiolitis-obliterans-following-respiratory-adenoviral-infection-in-children
#18
Pei-Qiong Wu, Xing Li, Wen-Hui Jiang, Gen-Quan Yin, Ai-Hua Lei, Qiang Xiao, Jian-Jun Huang, Zhi-Wei Xie, Li Deng
Bronchiolitis obliterans (BO) is an uncommon and severe sequela of chronic obstructive lung disease in children that results from an insult to the lower respiratory tract. Few prognostic factors achieved worldwide acknowledgment. In the present study, we retrospectively collected the children with respiratory adenoviral infection and identified the predictive factors of BO. In the period between Jan 2011 and December 2014, the consecutive in-hospital acute respiratory infection children with positive result for adenovirus were enrolled into the present study...
2016: SpringerPlus
https://www.readbyqxmd.com/read/27719975/clinical-radiologic-pathologic-correlation-of-smoking-related-diffuse-parenchymal-lung-disease
#19
Seth Kligerman, Teri J Franks, Jeffrey R Galvin
The direct toxicity of cigarette smoke and the body's subsequent response to this lung injury leads to a wide array of pathologic manifestations and disease states that lead to both reversible and irreversible injury to the large airways, small airways, alveolar walls, and alveolar spaces. These include emphysema, bronchitis, bronchiolitis, acute eosinophilic pneumonia, pulmonary Langerhans cell histiocytosis, respiratory bronchiolitis, desquamative interstitial pneumonia, and pulmonary fibrosis. Although these various forms of injury have different pathologic and imaging manifestations, they are all part of the spectrum of smoking-related diffuse parenchymal lung disease...
November 2016: Radiologic Clinics of North America
https://www.readbyqxmd.com/read/27716828/retrospective-parameter-estimation-and-forecast-of-respiratory-syncytial-virus-in-the-united-states
#20
Julia Reis, Jeffrey Shaman
Recent studies have shown that systems combining mathematical modeling and Bayesian inference methods can be used to generate real-time forecasts of future infectious disease incidence. Here we develop such a system to study and forecast respiratory syncytial virus (RSV). RSV is the most common cause of acute lower respiratory infection and bronchiolitis. Advanced warning of the epidemic timing and volume of RSV patient surges has the potential to reduce well-documented delays of treatment in emergency departments...
October 2016: PLoS Computational Biology
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