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Pneumonia in childrens

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https://www.readbyqxmd.com/read/29054550/-mlva-analysis-and-virulence-profile-of-community-acquired-methicillin-resistant-staphylococcus-aureus-causing-infections-in-paraguayan-children
#1
Fátima Rodríguez Acosta, Wilma D Basualdo Acuña, Héctor Castro, Ana Campuzano, María L Macchi, Juana Ortellado de Canese, Patricia Almada, Mónica Rodríguez, Lorena Grau, Gladys Velázquez, Carmen Espínola, Gloria C Samudio Domínguez, Gloria Gómez, Letizia Carpinelli, Rosa M Guillén Fretes
Community-acquired methicillin-resistant Staphylococcus aureus (CA-MRSA) is one of the first causes of skin and soft tissue infections, and can also produce severe diseases such as osteomyelitis and pneumonia. The aim of this descriptive study was to determine the SCCmec type and virulence profile and to study the genetic diversity by MLVA analysis of 21 CA-MRSA isolates that infected Paraguayan children in 2010. The SCCmec type and virulence factors were performed by PCR and genetic diversity by MLVA (multiple locus variable analysis)...
October 17, 2017: Revista Argentina de Microbiología
https://www.readbyqxmd.com/read/29053783/systematic-assessment-of-multiple-routine-and-near-real-time-indicators-to-classify-the-severity-of-influenza-seasons-and-pandemics-in-the-united-states-2003-04-through-2015-2016
#2
Matthew Biggerstaff, Krista Kniss, Daniel B Jernigan, Lynnette Brammer, Joseph Bresee, Shikha Garg, Erin Burns, Carrie Reed
Assessments of influenza season severity can guide public health action. We used the Moving Epidemic Method to develop intensity thresholds (IT) for 3 US surveillance indicators from the 2003-04-2014-15 influenza season (excluding the 2009 pandemic): 1) outpatient visits for influenza-like illness, 2) influenza-related hospitalizations, and 3) influenza- and pneumonia-related deaths. ITs were developed for the overall population and children, adults, and older adults separately and were the upper limit of the 50% (IT50), 90% (IT90), and 98% (IT98) one-sided CIs of the geometric mean of each season's 3 highest values...
October 19, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/29049002/cost-effectiveness-of-the-haemophilus-influenzae-type-b-vaccine-for-infants-in-mainland-china
#3
Guijun Ning, Zundong Yin, Yixing Li, Huaqing Wang, Weizhong Yang
OBJECTIVE: The aims of this study were to estimate the cost-effectiveness of the Haemophilus influenzae type b (Hib) vaccine for the prevention of childhood pneumonia, meningitis and other vaccine-preventable diseases in mainland China from a societal perspective and to provide information about the addition of the Hib vaccine to Chinese immunization programs. METHODS: A decision tree and the Markov model were used to estimate the costs and effectiveness of the Hib vaccine versus no Hib vaccine for a birth cohort of 100,000 children in 2016...
October 19, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/29048298/phylogenetic-analysis-of-klebsiella-pneumoniae-from-hospitalized-children-pakistan
#4
Hasan Ejaz, Nancy Wang, Jonathan J Wilksch, Andrew J Page, Hanwei Cao, Shruti Gujaran, Jacqueline A Keane, Trevor Lithgow, Ikram Ul-Haq, Gordon Dougan, Richard A Strugnell, Eva Heinz
Klebsiella pneumoniae shows increasing emergence of multidrug-resistant lineages, including strains resistant to all available antimicrobial drugs. We conducted whole-genome sequencing of 178 highly drug-resistant isolates from a tertiary hospital in Lahore, Pakistan. Phylogenetic analyses to place these isolates into global context demonstrate the expansion of multiple independent lineages, including K. quasipneumoniae.
November 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/29046034/-neurological-manifestations-in-atypical-kawasaki-disease
#5
Edgar Martínez-Guzmán, Luisa Berenise Gámez-González, Francisco Rivas-Larrauri, Giovanni Sorcia-Ramírez, Marco Yamazaki-Nakashimada
BACKGROUND: Kawasaki disease (KD) is a type of systemic vasculitis of unknown etiology. Atypical Kawasaki disease is defined as that where there are signs and symptoms not corresponding to the classical criteria for this nosological entity. Children with atypical Kawasaki disease may present with acute abdominal symptoms, meningeal irritation, pneumonia or renal failure. CLINICAL CASES: We describe 4 children with ages ranging from 2 to 12 years who had atypical Kawasaki disease, with neurological and gastrointestinal symptoms as part of the systemic presentation of the disease...
July 2017: Revista Alergia Mexico: Organo Oficial de la Sociedad Mexicana de Alergia e Inmunología, A.C
https://www.readbyqxmd.com/read/29043424/imaging-community-acquired-pneumonia-in-children
#6
EDITORIAL
Savvas Andronikou
No abstract text is available yet for this article.
October 2017: Pediatric Radiology
https://www.readbyqxmd.com/read/29043423/preliminary-report-from-the-world-health-organisation-chest-radiography-in-epidemiological-studies-project
#7
REVIEW
Nasreen Mahomed, Nicholas Fancourt, John de Campo, Margaret de Campo, Aliu Akano, Thomas Cherian, Olivia G Cohen, David Greenberg, Stephen Lacey, Neera Kohli, Henrique M Lederman, Shabir A Madhi, Veronica Manduku, Eric D McCollum, Kate Park, Jose Luis Ribo-Aristizabal, Naor Bar-Zeev, Katherine L O'Brien, Kim Mulholland
Childhood pneumonia is among the leading infectious causes of mortality in children younger than 5 years of age globally. Streptococcus pneumoniae (pneumococcus) is the leading infectious cause of childhood bacterial pneumonia. The diagnosis of childhood pneumonia remains a critical epidemiological task for monitoring vaccine and treatment program effectiveness. The chest radiograph remains the most readily available and common imaging modality to assess childhood pneumonia. In 1997, the World Health Organization Radiology Working Group was established to provide a consensus method for the standardized definition for the interpretation of pediatric frontal chest radiographs, for use in bacterial vaccine efficacy trials in children...
October 2017: Pediatric Radiology
https://www.readbyqxmd.com/read/29043422/guidelines-for-the-use-of-chest-radiographs-in-community-acquired-pneumonia-in-children-and-adolescents
#8
REVIEW
Savvas Andronikou, Elena Lambert, Jarred Halton, Lucy Hilder, Iona Crumley, Mark D Lyttle, Cara Kosack
National guidance from the United Kingdom and the United States on community-acquired pneumonia in children states that chest radiographs are not recommended routinely in uncomplicated cases. The main reason in the ambulatory setting is that there is no evidence of a substantial impact on clinical outcomes. However clinical practice and adherence to guidance is multifactorial and includes the clinical context (developed vs. developing world), the confidence of the attending physician, the changing incidence of complications (according to the success of immunisation programs), the availability of alternative imaging (and its relationship to perceived risks of radiation) and the reliability of the interpretation of imaging...
October 2017: Pediatric Radiology
https://www.readbyqxmd.com/read/29043420/lung-ultrasound-for-the-diagnosis-of-community-acquired-pneumonia-in-children
#9
REVIEW
Jacob A M Stadler, Savvas Andronikou, Heather J Zar
Ultrasound (US) has been proposed as an alternative first-line imaging modality to diagnose community-acquired pneumonia in children. Lung US has the potential benefits over chest radiography of being radiation free, subject to fewer regulatory requirements, relatively lower cost and with immediate bedside availability of results. However, the uptake of lung US into clinical practice has been slow and it is not yet included in clinical guidelines for community-acquired pneumonia in children. The aim of this review is to give an overview of the equipment and techniques used to perform lung US in children with suspected pneumonia and the interpretation of relevant sonographic findings...
October 2017: Pediatric Radiology
https://www.readbyqxmd.com/read/29043419/computed-tomography-in-children-with-community-acquired-pneumonia
#10
REVIEW
Savvas Andronikou, Pierre Goussard, Erich Sorantin
Diagnostic imaging plays a significant role in both the diagnosis and treatment of complications of pneumonia in children and chest radiography is the imaging modality of choice. Computed tomography (CT) on the other hand, is not currently a first-line imaging tool for children with suspected uncomplicated community-acquired pneumonia and is largely reserved for when complications of pneumonia are suspected or there is difficulty in differentiating pneumonia from other pathology. This review outlines the situations where CT needs to be considered in children with pneumonia, describes the imaging features of the parenchymal and pleural complications of pneumonia, discusses how CT may have a wider role in developing countries where human immunodeficiency virus (HIV) and tuberculosis are prevalent, makes note of the role of CT scanning for identifying missed foreign body aspiration and, lastly, addresses radiation concerns...
October 2017: Pediatric Radiology
https://www.readbyqxmd.com/read/29043418/lung-magnetic-resonance-imaging-for-pneumonia-in-children
#11
REVIEW
Mark C Liszewski, Süreyya Görkem, Kushaljit S Sodhi, Edward Y Lee
Technical factors have historically limited the role of MRI in the evaluation of pneumonia in children in routine clinical practice. As imaging technology has advanced, recent studies utilizing practical MR imaging protocols have shown MRI to be an accurate potential alternative to CT for the evaluation of pneumonia and its complications. This article provides up-to-date MR imaging techniques that can be implemented in most radiology departments to evaluate pneumonia in children. Imaging findings in pneumonia on MRI are also reviewed...
October 2017: Pediatric Radiology
https://www.readbyqxmd.com/read/29043417/community-acquired-pneumonia-in-children-a-changing-spectrum-of-disease
#12
REVIEW
David M le Roux, Heather J Zar
Pneumonia remains the leading cause of death in children outside the neonatal period, despite advances in prevention and management. Over the last 20 years, there has been a substantial decrease in the incidence of childhood pneumonia and pneumonia-associated mortality. New conjugate vaccines against Haemophilus influenzae type b and Streptococcus pneumoniae have contributed to decreases in radiologic, clinical and complicated pneumonia cases and have reduced hospitalization and mortality. The importance of co-infections with multiple pathogens and the predominance of viral-associated disease are emerging...
October 2017: Pediatric Radiology
https://www.readbyqxmd.com/read/29039549/downregulation-of-caspase%C3%A2-3-alleviates-mycoplasma%C3%A2-pneumoniae%C3%A2-induced-apoptosis-in-alveolar-epithelial-cells
#13
Shan Shi, Xiaolei Liu, Haibo Li
Mycoplasma pneumoniae (M. pneumoniae) infection is closely associated with pneumonia in children. Apoptosis of alveolar epithelial cells is involved in the development of pneumonia in children. The present study aimed to examine how caspase‑3 influences apoptosis rates in M. pneumoniae‑infected alveolar epithelial cells. A549 alveolar epithelial cells were treated with M. pneumoniae, and cells and culture supernatant were collected at different time points. Alterations in apoptosis rates and caspase‑3 mRNA and protein levels were measured for each treatment group...
October 12, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29037396/maternal-exposure-to-ambient-air-temperature-during-pregnancy-and-early-childhood-pneumonia
#14
Yufeng Miao, Yong-Ming Shen, Chan Lu, Ji Zeng, Qihong Deng
BACKGROUND: Pneumonia has been widely recognized as the leading cause of death in children worldwide, but its etiology still remains unclear. OBJECTIVE: We examined the association between maternal exposure to ambient air temperature during pregnancy and lifetime pneumonia in the offspring. METHODS: We conducted a cohort study of 2598 preschool children aged 3-6 years in Changsha, China. The lifetime prevalence of pneumonia was assessed using questionnaire...
October 2017: Journal of Thermal Biology
https://www.readbyqxmd.com/read/29036724/etiology-and-clinical-characteristics-of-community-acquired-pneumonia-with-airway-malacia-in-children
#15
Wang Yu-Qing, Hao Chuang-Li, Ji Wei, Chen Zheng-Rong, Zhang Xin-Xin, Gu Wen-Jing
Objective: The objective of this article is to study the etiology of community-acquired pneumonia in children with airway malacia. Methods: We retrospectively reviewed the medical records of 428 pneumonia patients. All patients underwent bronchoscopy, and bronchoalveolar lavage samples were processed for microbiological assessment. Results: In a total of 428 cases reviewed, 60 were found to have airway malacia. Pathogens were identified in 44 of the 60 specimens (73...
September 27, 2017: Journal of Tropical Pediatrics
https://www.readbyqxmd.com/read/29034852/comparison-of-direct-plating-and-broth-enrichment-culture-methods-for-detection-of-potential-bacterial-pathogens-in-respiratory-secretions
#16
Ravinder Kaur, Jareth Wischmeyer, Matthew Morris, Michael E Pichichero
OBJECTIVE: We compared the recovery of potential respiratory bacterial pathogens and normal flora from nasopharyngeal specimens collected from children during health and at the onset of acute otitis media (AOM) by selective direct-plating and overnight broth-enrichment. METHODS: Overall, 3442 nasal wash (NW) samples collected from young children were analysed from a 10-year prospective study. NWs were cultured by (1) direct-plating to TSAII/5 % sheep blood agar and chocolate agar plates and (2) overnight broth-enrichment in BacT/ALERT SA-broth followed by plating...
October 16, 2017: Journal of Medical Microbiology
https://www.readbyqxmd.com/read/29032897/prevnar-13-vaccine-failure-in-a-mouse-model-for-vitamin-a-deficiency
#17
Rhiannon R Penkert, Amy Iverson, Jason W Rosch, Julia L Hurwitz
Streptococcus pneumoniae (pneumococcus) is responsible for serious pediatric respiratory infections, and kills close to one million children under the age of five each year. Unfortunately, the Prevnar-13 vaccine (PCV-13) that is used to protect children from the serious consequences of pneumococcus infections is not always successful. Given that vitamin A deficiency (VAD) is known to affect children in both developed and developing countries, we asked if VAD could be responsible, at least in part, for PCV-13 vaccine failures...
November 1, 2017: Vaccine
https://www.readbyqxmd.com/read/29032896/risk-factors-of-icu-or-high-dependency-requirements-amongst-hospitalized-pediatric-pertussis-cases-a-10-year-retrospective-series-singapore
#18
Chia-Yin Chong, Chee-Fu Yung, Natalie Woon-Hui Tan, Sanchalika Acharyya, Koh-Cheng Thoon
INTRODUCTION: Pertussis causes the highest complication rates and deaths in the infant group. Our study explored risk factors for ICU/high dependency (HD) admissions and intubation/non-invasive ventilation (NIV). METHODS: A retrospective review of pertussis admissions over 10 years from 2007 to 2016 was done at KK Women's and Children's Hospital, Singapore. To understand risk factors for severe pertussis infection, we compared cases requiring ICU/HD care with controls admitted to the general ward...
October 9, 2017: Vaccine
https://www.readbyqxmd.com/read/29031787/assessing-prediction-accuracy-for-outcomes-of-ventilator-associated-events-and-infections-in-critically-ill-children-a-prospective-cohort-study
#19
Yolanda Peña-López, Montserrat Pujol, Magda Campins, Leonel Lagunes, Joan Balcells, Jordi Rello
OBJECTIVES: To assess the prediction accuracy of 2008 Center for Disease Control and Prevention (CDC) definitions for ventilator-associated pneumonia (VAP)/ventilator-associated tracheobronchitis (VAT), 2013-CDC definitions for ventilator-associated events (VAE) and a new VAE algorithm (Ped-VAE) in children. METHODS: Prospective 13-month cohort study at a multidisciplinary Pediatric Intensive Care Unit (PICU). Primary end-points were duration of ventilation episode, PICU/hospitalization length of stay from episode (LOS), and episode mortality...
October 11, 2017: Clinical Microbiology and Infection
https://www.readbyqxmd.com/read/29029063/impact-of-pneumococcal-vaccination-on-pneumonia-hospitalizations-and-related-costs-in-ontario-a-population-based-ecological-study
#20
Dara Lee Luca, Jeffrey C Kwong, Anna Chu, Beate Sander, Ryan O'Reilly, Allison J McGeer, David E Bloom
Background: In Ontario, Canada, pneumococcal conjugate vaccine (PCV) was approved for infants in 2001 and became part of the publicly funded routine immunization schedule in 2005. We assessed the population-level impact of PCV on pneumonia hospitalizations and related costs. Methods: We used the difference-in-differences (DD) approach to evaluate the impact of pneumococcal vaccination on pneumonia hospitalizations and related costs, using non-pneumonia hospitalization as the control condition...
September 26, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
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