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pneumococcal pneumonia in Children

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https://www.readbyqxmd.com/read/28640002/trends-in-diagnoses-among-hospitalizations-of-hiv-infected-children-and-adolescents-in-the-us-2003-2012
#1
Stacey A Hurst, Alexander C Ewing, Sascha R Ellington, Athena P Kourtis
OBJECTIVE: Using data from 2003-2012, we updated a previous analysis of trends in hospitalizations of HIV-infected children and adolescents in the US. METHODS: We used data from the Kids´ Inpatient Database of the Healthcare Cost and Utilization Project to derive nationally representative estimates of the number of hospitalizations and the rates per 1000 hospitalizations of select discharge diagnoses and procedures in 2003, 2006, 2009, and 2012 among HIV-infected and HIV-uninfected children and adolescents ≤18 years, excluding hospitalizations for conditions related to pregnancy/delivery and neonatal diagnoses...
June 20, 2017: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/28632827/-occult-bacteremia-in-s%C3%A3-tero-del-r%C3%A3-o-hospital-experience-after-pneumococcal-conjugated-vaccine
#2
Isolda Budnik, Alejandra Sandoval, Alejandra Prado, Marcela Labbé, Anamaría Peña, Tamara Viviani
BACKGROUND: Occult bacteremia (OB) is one of the possible diagnoses of children younger than 3 years with fever without source in the emergency room. OBJECTIVE: describe OB in the era after introduction of pneumococcal vaccine in Chile. PATIENTS AND METHODS: Prospective descriptive review of data of children with possible OB diagnosis, referred from the emergency department between 2010-2013. RESULTS: Possible OB was diagnosed on 391 patients...
April 2017: Revista Chilena de Infectología: órgano Oficial de la Sociedad Chilena de Infectología
https://www.readbyqxmd.com/read/28626738/streptococcus-pneumoniae-serotype-prevalence-and-antibiotic-resistance-among-young-children-with-invasive-pneumococcal-disease-experience-from-a-tertiary-care-center-in-south-india
#3
Savitha Nagaraj, Bhuvanesh Sukhlal Kalal, Anand Manoharan, Anita Shet
INTRODUCTION: We performed a study to describe the clinical profile, antimicrobial susceptibility and prevalent serotypes of pneumococcal isolates from children with suspected invasive pneumococcal disease (IPD) admitted to a tertiary care hospital in South India. METHODS: Hospitalized children, ≤ 5 years with fever (>38 °C); increased respiratory rate or neurological symptoms were recruited, (as part of the Alliance for Surveillance of Invasive Pneumococci - ASIP - project) from January 2011 to March 2013...
June 2017: Germs
https://www.readbyqxmd.com/read/28619234/what-is-the-heterogeneity-in-the-impact-seen-with-pneumococcal-conjugate-vaccines-telling-us
#4
William P Hausdorff, Steve Black
Pneumococcal conjugate vaccines have proven highly effective in decreasing invasive disease and pneumonia in young children. However, there is considerable geographic variability in the impact of these vaccines on other disease endpoints and in other age groups. Investigation of the possible causes of this variability would greatly improve our understanding of pneumococcal pathophysiology and stimulate the effort to design more broadly effective vaccines.
June 12, 2017: Vaccine
https://www.readbyqxmd.com/read/28612153/streptococcus-pneumoniae-antimicrobial-resistance-decreased-in-the-helsinki-metropolitan-area-after-routine-10-valent-pneumococcal-conjugate-vaccination-of-infants-in-finland
#5
R Sihvonen, L Siira, M Toropainen, P Kuusela, A Pätäri-Sampo
Since the introduction of 10-valent pneumococcal conjugate vaccine (PCV10) into the Finnish national vaccination program in September 2010, the incidence of invasive pneumococcal disease in children has decreased steeply in Finland. We studied the antimicrobial susceptibility of invasive and non-invasive Streptococcus pneumoniae (pneumococcus) isolated in the Helsinki Metropolitan Area during 2009-2014. We divided the data into two age groups: isolates from patients <5 years old and ≥5 years old. We also studied the serotype distribution of invasive isolates and of a subset of non-invasive multidrug-resistant isolates...
June 13, 2017: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/28606106/perceptions-of-measles-pneumonia-and-meningitis-vaccines-among-caregivers-in-shanghai-china-and-the-health-belief-model-a-cross-sectional-study
#6
Abram L Wagner, Matthew L Boulton, Xiaodong Sun, Bhramar Mukherjee, Zhuoying Huang, Irene A Harmsen, Jia Ren, Brian J Zikmund-Fisher
BACKGROUND: In China, the measles vaccine is offered for free whereas the pneumococcal vaccine is a for-fee vaccine. This difference has the potential to influence how caregivers evaluate whether a vaccine is important or necessary for their child, but it is unclear if models of health behavior, such as the Health Belief Model, reveal the same associations for different diseases. This study compares caregiver perceptions of different diseases (measles, pneumonia and meningitis); and characterizes associations between Health Belief Model constructs and both pneumococcal vaccine uptake and perceived vaccine necessity for pneumonia, measles, and meningitis...
June 12, 2017: BMC Pediatrics
https://www.readbyqxmd.com/read/28604773/surveillance-of-impact-of-pcv-10-vaccine-on-pneumococcal-meningitis-in-mozambique-2013-2015
#7
Aquino Albino Nhantumbo, Goitom Weldegebriel, Reggis Katsande, Linda de Gouveia, Charlotte Elizabeth Comé, Arlindo Zacarias Cuco, Vlademir Vicente Cantarelli, Cícero Dias, Juliana Caierão, Jason Mwenda Mathiu, Eduardo Samo Gudo
BACKGROUND: Vaccination using the 10-valent conjugate vaccine (PCV-10) was introduced into the Extended Program on Immunization in Mozambique in March 2013, however its impact on pediatric pneumococcal meningitis is unknown. In this study, we assessed for the first time the impact of PCV10 on the burden of pneumococcal meningitis in children less than 5 years of age at the three largest hospitals in Mozambique. METHOD: Between March 2013 and December 2015, a total of 744 cerebrospinal fluid (CSF) samples were collected from eligible children, of which 160 (21...
2017: PloS One
https://www.readbyqxmd.com/read/28601421/impact-of-the-introduction-of-pneumococcal-conjugate-vaccination-on-pneumonia-in-the-gambia-population-based-surveillance-and-case-control-studies
#8
Grant A Mackenzie, Philip C Hill, Shah M Sahito, David J Jeffries, Ilias Hossain, Christian Bottomley, Uchendu Uchendu, David Ameh, Malick Ndiaye, Chidebereh D Osuorah, Oyedeji Adeyemi, Jayani Pathirana, Yekini Olatunji, Bade Abatan, Ebirim Ahameefula, Bilquees S Muhammad, Augustin E Fombah, Debasish Saha, Roslyn Mackenzie, Ian Plumb, Aliu Akano, Bernard Ebruke, Readon C Ideh, Bankole Kuti, Peter Githua, Emmanuel Olutunde, Ogochukwu Ofordile, Edward Green, Effua Usuf, Henry Badji, Usman N A Ikumapayi, Ahmad Manjang, Rasheed Salaudeen, E David Nsekpong, Sheikh Jarju, Martin Antonio, Sana Sambou, Lamin Ceesay, Yamundow Lowe-Jallow, Dawda Sowe, Momodou Jasseh, Kim Mulholland, Maria Knoll, Orin S Levine, Stephen R Howie, Richard A Adegbola, Brian M Greenwood, Tumani Corrah
BACKGROUND: Pneumococcal conjugate vaccines (PCVs) are used in many low-income countries but their impact on the incidence of pneumonia is unclear. The Gambia introduced PCV7 in August, 2009, and PCV13 in May, 2011. We aimed to measure the impact of the introduction of these vaccines on pneumonia incidence. METHODS: We did population-based surveillance and case-control studies. The primary endpoint was WHO-defined radiological pneumonia with pulmonary consolidation...
June 7, 2017: Lancet Infectious Diseases
https://www.readbyqxmd.com/read/28590240/epidemiology-of-culture-confirmed-infections-of-streptococcus-pneumoniae-2012-2015-and-nasopharyngeal-carriage-in-children-and-households-in-taiwan-2014-2015
#9
Rajendra Prasad Janapatla, Lin-Hui Su, Hsin-Hang Chen, Hsin-Ju Chang, Tian-Chi Tsai, Po-Yen Chen, Chyi-Liang Chen, Cheng-Hsun Chiu
PURPOSE: An observational study was performed to investigate the carriage rate and serotypes of Streptococcus pneumoniae in the 13-valent pneumococcal conjugate vaccine (PCV13) era in Taiwan. METHODOLOGY: From March 2014 to March 2015 a total of 500 healthy children and their households (631 adults) were enrolled from two large medical centres for nasopharyngeal carriage survey. Clinical isolates were prospectively collected from June 2012 to May 2015 at Chang Gung Memorial Hospital...
June 5, 2017: Journal of Medical Microbiology
https://www.readbyqxmd.com/read/28580433/limited-impact-of-neonatal-or-early-infant-schedules-of-7-valent-pneumococcal-conjugate-vaccination-on-nasopharyngeal-carriage-of-streptococcus-pneumoniae-in-papua-new-guinean-children-a-randomized-controlled-trial
#10
Celestine Aho, Audrey Michael, Mition Yoannes, Andrew Greenhill, Peter Jacoby, John Reeder, William Pomat, Gerard Saleu, Pioto Namuigi, Suparat Phuanukoonnon, Heidi Smith-Vaughan, Amanda J Leach, Peter Richmond, Deborah Lehmann
Streptococcus pneumoniae is a leading cause of pneumonia, the most common cause of childhood death. Papua New Guinean children experience high rates of nasopharyngeal pneumococcal colonization within weeks of birth, predisposing them to pneumococcal disease. In a trial to determine the safety and immunogenicity of early infant vaccination with 7-valent pneumococcal conjugate vaccine (7vPCV), we investigated the impact of early schedules on pneumococcal carriage. Infants were randomized at birth to receive 7vPCV in a 0-1-2-month (n = 101) or a 1-2-3-month (n = 105) schedule or no 7vPCV (n = 106)...
December 2016: Vaccine Rep
https://www.readbyqxmd.com/read/28579230/comparative-incidence-dynamics-and-serotypes-of-meningitis-bacteremic-pneumonia-and-other-ipd-in-young-children-in-the-pcv-era-insights-from-israeli-surveillance-studies
#11
Shalom Ben-Shimol, Noga Givon-Lavi, Galia Grisaru-Soen, Orli Megged, David Greenberg, Ron Dagan
INTRODUCTION: Widespread introduction of pneumococcal conjugated vaccines (PCVs) impacted on invasive pneumococcal disease (IPD). However, IPD reduction may not be similar in all outcomes within IPD. We assessed PCV7/PCV13 impact on pneumococcal meningitis, bacteremic pneumonia (BP) and other (non-meningitis, non-pneumonia) IPD episodes in children <5years in Israel. METHODS: A prospective, population-based, active nationwide surveillance. All pneumococcal invasive episodes with positive blood/CSF cultures, July 2000 through June 2016, were included...
June 1, 2017: Vaccine
https://www.readbyqxmd.com/read/28576759/competitive-dominance-within-biofilm-consortia-regulate-the-relative-distribution-of-pneumococcal-nasopharyngeal-density
#12
Xueqing Wu, Nate T Jacobs, Catherine Bozio, Preston Palm, Santiago M Lattar, Christiane R Hanke, David M Watson, Fuminori Sakai, Bruce R Levin, Keith P Klugman, Jorge E Vidal
Streptococcus pneumoniae is a main cause of child mortality worldwide, but strains also asymptomatically colonize the upper airways of most children forming biofilms. Recent studies have demonstrated that ∼50% of colonized children carry at least two different serotypes (i.e., strains) in the nasopharynx; however, studies of how strains coexist are limited. In this work, we investigated the physiological, genetics, and ecological requirements for the relative distribution of densities, and spatial localization, of pneumococcal strains within biofilm consortia...
June 2, 2017: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/28575374/evaluation-of-pneumococcal-load-in-blood-by-polymerase-chain-reaction-for-the-diagnosis-of-pneumococcal-pneumonia-in-young-children-in-the-perch-study
#13
Maria Deloria Knoll, Susan C Morpeth, J Anthony G Scott, Nora L Watson, Daniel E Park, Henry C Baggett, W Abdullah Brooks, Daniel R Feikin, Laura L Hammitt, Stephen R C Howie, Karen L Kotloff, Orin S Levine, Katherine L O'Brien, Donald M Thea, Dilruba Ahmed, Martin Antonio, Juliet O Awori, Vicky L Baillie, James Chipeta, Andrea N Deluca, Michel Dione, Amanda J Driscoll, Melissa M Higdon, Anchalee Jatapai, Ruth A Karron, Razib Mazumder, David P Moore, James Mwansa, Sammy Nyongesa, Christine Prosperi, Phil Seidenberg, Duangkamon Siludjai, Samba O Sow, Boubou Tamboura, Scott L Zeger, David R Murdoch, Shabir A Madhi
Background.: Detection of pneumococcus by lytA polymerase chain reaction (PCR) in blood had poor diagnostic accuracy for diagnosing pneumococcal pneumonia in children in 9 African and Asian sites. We assessed the value of blood lytA quantification in diagnosing pneumococcal pneumonia. Methods.: The Pneumonia Etiology Research for Child Health (PERCH) case-control study tested whole blood by PCR for pneumococcus in children aged 1-59 months hospitalized with signs of pneumonia and in age-frequency matched community controls...
June 15, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28575371/detection-of-pneumococcal-dna-in-blood-by-polymerase-chain-reaction-for-diagnosing-pneumococcal-pneumonia-in-young-children-from-low-and-middle-income-countries
#14
Susan C Morpeth, Maria Deloria Knoll, J Anthony G Scott, Daniel E Park, Nora L Watson, Henry C Baggett, W Abdullah Brooks, Daniel R Feikin, Laura L Hammitt, Stephen R C Howie, Karen L Kotloff, Orin S Levine, Shabir A Madhi, Katherine L O'Brien, Donald M Thea, Peter V Adrian, Dilruba Ahmed, Martin Antonio, Charatdao Bunthi, Andrea N DeLuca, Amanda J Driscoll, Louis Peter Githua, Melissa M Higdon, Geoff Kahn, Angela Karani, Ruth A Karron, Geoffrey Kwenda, Sirirat Makprasert, Razib Mazumder, David P Moore, James Mwansa, Sammy Nyongesa, Christine Prosperi, Samba O Sow, Boubou Tamboura, Toni Whistler, Scott L Zeger, David R Murdoch
Background.: We investigated the performance of polymerase chain reaction (PCR) on blood in the diagnosis of pneumococcal pneumonia among children from 7 low- and middle-income countries. Methods.: We tested blood by PCR for the pneumococcal autolysin gene in children aged 1-59 months in the Pneumonia Etiology Research for Child Health (PERCH) study. Children had World Health Organization-defined severe or very severe pneumonia or were age-frequency-matched community controls...
June 15, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28575369/the-enduring-challenge-of-determining-pneumonia-etiology-in-children-considerations-for-future-research-priorities
#15
Daniel R Feikin, Laura L Hammitt, David R Murdoch, Katherine L O'Brien, J Anthony G Scott
Pneumonia kills more children each year worldwide than any other disease. Nonetheless, accurately determining the causes of childhood pneumonia has remained elusive. Over the past century, the focus of pneumonia etiology research has shifted from studies of lung aspirates and postmortem specimens intent on identifying pneumococcal disease to studies of multiple specimen types distant from the lung that are tested for multiple pathogens. Some major challenges facing modern pneumonia etiology studies include the use of nonspecific and variable case definitions, poor access to pathologic lung tissue and to specimens from fatal cases, poor diagnostic accuracy of assays (especially when testing nonpulmonary specimens), and the interpretation of results when multiple pathogens are detected in a given individual...
June 15, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28575365/density-of-upper-respiratory-colonization-with-streptococcus-pneumoniae-and-its-role-in-the-diagnosis-of-pneumococcal-pneumonia-among-children-aged-5-years-in-the-perch-study
#16
Henry C Baggett, Nora L Watson, Maria Deloria Knoll, W Abdullah Brooks, Daniel R Feikin, Laura L Hammitt, Stephen R C Howie, Karen L Kotloff, Orin S Levine, Shabir A Madhi, David R Murdoch, J Anthony G Scott, Donald M Thea, Martin Antonio, Juliet O Awori, Vicky L Baillie, Andrea N DeLuca, Amanda J Driscoll, Julie Duncan, Bernard E Ebruke, Doli Goswami, Melissa M Higdon, Ruth A Karron, David P Moore, Susan C Morpeth, Justin M Mulindwa, Daniel E Park, Wantana Paveenkittiporn, Barameht Piralam, Christine Prosperi, Samba O Sow, Milagritos D Tapia, Khalequ Zaman, Scott L Zeger, Katherine L O'Brien
Background.: Previous studies suggested an association between upper airway pneumococcal colonization density and pneumococcal pneumonia, but data in children are limited. Using data from the Pneumonia Etiology Research for Child Health (PERCH) study, we assessed this potential association. Methods.: PERCH is a case-control study in 7 countries: Bangladesh, The Gambia, Kenya, Mali, South Africa, Thailand, and Zambia. Cases were children aged 1-59 months hospitalized with World Health Organization-defined severe or very severe pneumonia...
June 15, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28574743/invasive-pneumococcal-infection-due-to-serotype-15a-after-the-pneumococcal-conjugate-vaccine-implementation-in-turkey
#17
Ayşe Büyükcam, Hüseyin Güdücüoğlu, Kamuran Karaman, Venhar Gürbüz, Emil Aliyev, Ateş Kara, Mehmet Ceyhan
Invasive pneumococcal infections among children are a serious public health problem in many countries, including Turkey. Pneumococcal conjugate vaccine has been included in Turkey's National Immunization Programme since 2009. We report the first two pediatric cases of invasive pneumococcal infection due to non-vaccine serotype 15A after pneumococcal conjugate vaccine implementation in Turkey. It is essential to monitor the countries' own local seroepidemiologic data for detecting selective pressure of non-vaccine serotypes of S...
June 2, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/28571504/impact-of-protein-d-containing-pneumococcal-conjugate-vaccines-on-non-typeable-haemophilus-influenzae-acute-otitis-media-and-carriage
#18
Christopher Clarke, Lauren O Bakaletz, Javier Ruiz-Guiñazú, Dorota Borys, Tomas Mrkvan
Protein D-containing vaccines may decrease acute otitis media (AOM) burden and nasopharyngeal carriage of non-typeable Haemophilus influenzae (NTHi). Protein D-containing pneumococcal conjugate vaccine PHiD-CV (Synflorix, GSK Vaccines) elicits robust immune responses against protein D. However, the phase III Clinical Otitis Media and PneumoniA Study (COMPAS), assessing PHiD-CV efficacy against various pneumococcal diseases, was not powered to demonstrate efficacy against NTHi; only trends of protective efficacy against NTHi AOM in children were shown...
July 2017: Expert Review of Vaccines
https://www.readbyqxmd.com/read/28558982/decrease-in-the-incidence-and-in-hospital-mortality-of-community-acquired-pneumonia-among-children-in-spain-2001-2014
#19
Isabel Jimenez Trujillo, Ana Lopez de Andres, Valentin Hernandez-Barrera, Maria A Martinez-Huedo, Javier de Miguel-Diez, Rodrigo Jimenez-Garcia
OBJECTIVES: To describe trends in the incidence and outcomes of community-acquired pneumonia (CAP) hospitalizations among Spanish children from 2001 to 2014 and to assess the effect of the pneumococcal vaccination (PCV) coverage in this period. METHODS: This study was conducted using the Spanish National Hospital Database from 2001 to 2014 including subjects <18years. We selected discharges with a primary diagnosis of CAP. Study variable included age, sex, comorbid conditions, procedures, isolated pathogens and hospital outcome variables...
May 27, 2017: Vaccine
https://www.readbyqxmd.com/read/28545041/effect-of-early-measles-vaccine-on-pneumococcal-colonization-a-randomized-trial-from-guinea-bissau
#20
Nadja Skadkær Hansen, Stine Byberg, Lars Hervig Jacobsen, Morten Bjerregaard-Andersen, Aksel Karl Georg Jensen, Cesario Martins, Peter Aaby, Jørgen Skov Jensen, Christine Stabell Benn, Hilton Whittle
BACKGROUND: Measles vaccine (MV) may have non-specific beneficial effects for child health and particularly seems to prevent respiratory infections. Streptococcus pneumoniae is the leading cause of bacterial pneumonia among children worldwide, and nasopharyngeal colonization precedes infection. OBJECTIVE: We investigated whether providing early MV at 18 weeks of age reduced pneumococcal colonization and/or density up to 9 months of age. METHOD: The study was conducted in 2013-2014 in Guinea-Bissau...
2017: PloS One
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