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pneumococcal pneumonia in Children

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https://www.readbyqxmd.com/read/29227464/antibiotic-resistance-of-potential-otopathogens-isolated-from-nasopharyngeal-flora-of-children-with-acute-otitis-media-before-during-and-after-pneumococcal-conjugate-vaccines-implementation
#1
Alexis Rybak, Corinne Levy, Stéphane Bonacorsi, Stéphane Béchet, François Vié le Sage, Annie Elbez, Emmanuelle Varon, Robert Cohen
BACKGROUNDL: To re-evaluate antibiotic strategies for acute otitis media (AOM) in young children, we analyzed the trends of nasopharyngeal carriage and antibiotic resistance of Streptococcus pneumoniae (Sp), Haemophilus influenzae (Hi) and Moraxella catarrhalis (Mc) isolated from young children with AOM during a 16-year period. METHODS: This cross-sectional study analyzed from 2001 to 2016, the nasopharyngeal carriage of Sp, Hi and Mc of young children with AOM...
December 8, 2017: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/29221826/trends-of-invasive-pneumococcal-disease-and-its-serotypes-in-the-autonomous-community-of-madrid
#2
Pello Latasa Zamalloa, Juan Carlos Sanz Moreno, María Ordobás Gavín, María Dolores Barranco Ordoñez, Esther Insúa Marisquerena, Ángel Gil de Miguel, Abelardo Claudio Fernández Chávez, Luis García-Comas
INTRODUCTION: Streptococcus pneumoniae is an important cause of morbidity. Vaccination is the most effective measure to prevent it. The aim of this study is to analyse the evolution of invasive pneumococcal disease (IPD). MATERIAL AND METHODS: Observational study of IPD cases notified to the Epidemiological Surveillance Network of the Autonomous Community of Madrid between 2008 and 2015. The IPD case was defined as the disease caused by Streptococcus pneumoniae, with isolation and DNA or antigen detection, in samples from normally sterile sites...
December 5, 2017: Enfermedades Infecciosas y Microbiología Clínica
https://www.readbyqxmd.com/read/29207801/autoimmune-haemolytic-anaemia-a-spectrum-of-presentation-in-children
#3
Amitabh Singh, Anirban Mandal, Ankita Patel, Sataroopa Mishra
Autoimmune Haemolytic Anaemias (AIHAs) are rare in children. They can be either a primary disease or secondary to/triggered by a host of other clinical conditions. We present five interesting cases of paediatric AIHA associated with infections (viral, bacterial and atypical) and autoimmune diseases {Systemic Lupus Erythematosus (SLE) and Autoimmune Hepatitis (AIH)}. The H1N1 influenza associated AIHA responded to oseltamivir and Intravenous Immunoglobulin (IvIg) while the cases secondary to Mycoplasma pneumoniae and pneumococcal bacteraemia required only treatment of the primary infection...
September 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/29181961/atypical-causes-of-bacterial-osteoarticular-infections-in-immunocompetent-children
#4
Walter Dehority
Caring for a child with an osteoarticular infection or considering the possibility of an osteoarticular infection in a child is one of the most common clinical dilemmas encountered by clinicians caring for children. In such a scenario, one most often considers infection with frequently encountered pathogens such as Staphylococcus aureus, Streptococcus pyogenes, Streptococcus pneumoniae or Kingella kingae. A large variety of opportunistic osteoarticular pathogens may be found in the immunosuppressed patient or the postoperative or post-trauma patient, due to breaches in the immune system and nosocomial or post-traumatic exposure to multiple organisms...
December 2017: Minerva Pediatrica
https://www.readbyqxmd.com/read/29179982/paediatric-invasive-pneumococcal-disease-on-the-island-of-gran-canaria-16-year-prospective-study-2001-2016
#5
Milagrosa Santana Hernández, Ione Ahedey Aguiar-Santana, Fernando Artiles Campelo, Elena Colino Gil
OBJECTIVES: To calculate the incidence of invasive pneumococcal disease (IPD) in the paediatric population of Gran Canaria (Spain), its clinical and epidemiological characteristics, serotype distribution, antibiotic resistance, and variations in these variables before and after the introduction of the PCV13 vaccine. METHODS: Prospective hospital-based study including all patients (190) aged 0-14 years admitted with confirmed IPD between January 2001-May 2010 (152 cases) and June 2010-December 2016 (38 cases)...
November 24, 2017: Enfermedades Infecciosas y Microbiología Clínica
https://www.readbyqxmd.com/read/29158121/systemic-cytokines-and-chemokines-on-admission-of-children-hospitalized-with-community-acquired-pneumonia
#6
Ângela G Vasconcellos, Jorge Clarêncio, Daniela Andrade, Maria-Regina A Cardoso, Aldina Barral, Cristiana M Nascimento-Carvalho
Community-acquired pneumonia (CAP) is the main cause of death in children under-5 years worldwide and Streptococcus pneumoniae is the most common bacterial agent. However, it is difficult to identify pneumococcal infection among children with CAP. We aimed to assess association between any cytokine/chemokine and pneumococcal infection in childhood CAP. Furthermore, we evaluated the diagnostic value of cytokine/chemokine for pneumococcal infection. This prospective study was conducted at an Emergency Room, in Salvador, Brazil...
November 17, 2017: Cytokine
https://www.readbyqxmd.com/read/29146381/impact-of-infant-pneumococcal-conjugate-vaccination-on-community-acquired-pneumonia-hospitalization-in-all-ages-in-the-netherlands
#7
A M M van Deursen, T M Schurink-Van't Klooster, W H Man, J van de Kassteele, A B van Gageldonk-Lafeber, P C J L Bruijning-Verhagen, H E de Melker, E A M Sanders, M J Knol
BACKGROUND: The long-term impact of pneumococcal conjugate vaccines on pneumonia hospitalizations in all age-groups varies between countries. In the Netherlands, the 7-valent pneumococcal conjugate vaccine (PCV7) was implemented for newborns in 2006 and replaced by PCV10 in 2011. We assessed the impact of PCVs on community-acquired pneumonia (CAP) hospitalization rates in all age-groups. METHODS: A time series analysis using Poisson regression was performed on 155,994 CAP hospitalizations...
November 13, 2017: Vaccine
https://www.readbyqxmd.com/read/29125809/burden-of-hospitalized-childhood-community-acquired-pneumonia-a-retrospective-cross-sectional-study-in-vietnam-malaysia-indonesia-and-the-republic-of-korea
#8
Kah Kee Tan, Duc Anh Dang, Ki Hwan Kim, Cissy Kartasasmita, Hwang Min Kim, Xu-Hao Zhang, Fakrudeen Shafi, Ta-Wen Yu, Emilio Ledesma, Nadia Meyer
BACKGROUND: Few studies describe the community-acquired pneumonia (CAP) burden in children in Asia. We estimated the proportion of all CAP hospitalizations in children from nine hospitals across the Republic of Korea (high-income), Indonesia, Malaysia (middle-income), and Vietnam (low/middle-income). METHODS: Over a one or two-year period, children <5 years hospitalized with CAP were identified using ICD-10 discharge codes. Cases were matched to standardized definitions of suspected (S-CAP), confirmed (C-CAP), or bacterial CAP (B-CAP) used in a pneumococcal conjugate vaccine efficacy study (COMPAS)...
November 10, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/29119074/case-report-on-a-defective-antibody-response-against-pneumococcal-serotype-9v-in-a-patient-with-a-single-episode-of-pneumonia
#9
Diana van Kessel, Thijs Hoffman, Heleen van Velzen-Blad, Bob Meek, Suzan van Mens, Jan Grutters, Ger Rijkers
Background: Patients with recurrent respiratory tract infections and an impaired response to pneumococcal polysaccharide vaccination are diagnosed with a specific antibody deficiency. In adult patients with pneumococcal pneumonia an impaired antibody response to the infecting pneumococcal serotype can sometimes be found. It is unknown whether these patients are unable to produce an adequate anti-polysaccharide antibody response to pneumococcal vaccination after recovery. Case presentation: The authors describe a case of invasive pneumonia caused by Streptococcus pneumoniae serotype 9V in a previously healthy 35-year-old female...
2017: Pneumonia
https://www.readbyqxmd.com/read/29118167/invasive-disease-caused-simultaneously-by-dual-serotypes-of-streptococcus-pneumoniae
#10
Kedibone Ndlangisa, Mignon du Plessis, Mushal Allam, Nicole Wolter, Linda de Gouveia, Keith P Klugman, Cheryl Cohen, Rebecca A Gladstone, Anne von Gottberg
There are at least 98 known pneumococcal serotypes. Invasive pneumococcal (IPD) disease is usually caused by a single serotype, and dual serotype IPD is rare. To assess factors associated with dual serotype IPD, patient information obtained through laboratory-based surveillance for IPD from 2005 through 2014 in South Africa was reviewed. Genomes of isolate pairs from co-infected individuals were sequenced to determine their molecular characteristics. For 30 (91%) of 33 patients with dual serotypes, one or both isolates were a pneumococcal conjugate vaccine (PCV13) serotype...
November 8, 2017: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/29096010/macrolides-in-children-with-community-acquired-pneumonia-panacea-or-placebo
#11
Christopher C Blyth, Jeffrey S Gerber
Pneumonia, most often caused by a respiratory virus, is common in childhood. Mycoplasma pneumoniae also is detected frequently, particularly in older children in the era of pneumococcal conjugate vaccination. Despite recommendations for β-lactam antibiotics, macrolide antibiotics, including erythromycin, clarithromycin, and azithromycin, are prescribed frequently to children with acute lower respiratory infection. However, the significance of detecting "atypical" pathogens, including M pneumoniae, in children remains contentious...
October 31, 2017: Journal of the Pediatric Infectious Diseases Society
https://www.readbyqxmd.com/read/29077699/pneumococcal-conjugate-vaccine-and-pneumonia-prevention-in-children-with-congenital-heart-disease
#12
Fortino Solórzano-Santos, Lilia Espinoza-García, Glorinella Aguilar-Martínez, Luisa Beirana-Palencia, Gabriela Echániz-Avilés, Guadalupe Miranda-Novales
BACKGROUND: A successful strategy to prevent Streptococcus pneumoniae infections is the administration of pneumococcal conjugate vaccines (PCVs). OBJECTIVE: To analyze the effectiveness of the 7- and 13-valent PCV for the prevention of all-cause pneumonia. MATERIALS AND METHODS: A retrospective cohort of children younger than 5 years of age, with congenital heart disease (CHD) and different vaccination schedules, was analyzed. History of vaccination was confirmed with verifiable records...
September 2017: Revista de Investigación Clínica; Organo del Hospital de Enfermedades de la Nutrición
https://www.readbyqxmd.com/read/29076932/evaluation-of-the-clinical-utility-of-a-real-time-pcr-assay-for-the-diagnosis-of-streptococcus-pneumoniae-bacteremia-in-children-a-retrospective-diagnostic-accuracy-study
#13
Jane Murphy, Sadhbh O' Rourke, Mary Corcoran, Nicola O' Sullivan, Robert Cunney, Richard Drew
BACKGROUND: The widespread uptake of pneumococcal vaccines has substantially reduced the incidence of invasive pneumococcal disease, such that pneumococcal bacteremia in children is now considered a relatively rare event. The objective of this study was to ascertain the clinical utility of a Streptococcus pneumoniae real-time PCR assay compared with standard blood culture for the diagnosis of pneumococcal bacteremia in children in the post-vaccine era. METHODS: A systematic retrospective review of laboratory and patient records from Children's University Hospital, Temple Street during a 6 year period was performed...
October 25, 2017: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/29071076/burden-of-bacterial-upper-respiratory-tract-pathogens-in-school-children-of-nepal
#14
Sangita Thapa, Shishir Gokhale, Annavarapu Laxminarasimha Sharma, Lokendra Bahadur Sapkota, Shamshul Ansari, Rajendra Gautam, Sony Shrestha, Puja Neopane
INTRODUCTION: Respiratory tract infections are one of the most common human infections in all age group and important cause of mortality and morbidity worldwide. Most bacterial upper respiratory tract infections are vaccine preventable. This study aimed to determine the prevalence of carrier state of bacterial upper respiratory tract pathogens among school children. It also aimed to study their antibiograms. METHODS: The specimen from posterior pharyngeal wall and tonsils were collected from 204 participants on calcium alginate coated swabs (HiMedia)...
2017: BMJ Open Respiratory Research
https://www.readbyqxmd.com/read/29069315/the-impact-of-pneumococcal-vaccination-on-bacterial-and-viral-pneumonia-in-western-australian-children-record-linkage-cohort-study-of-469-589-births-1996-2012
#15
Parveen Fathima, Christopher C Blyth, Deborah Lehmann, Faye J Lim, Tasnim Abdalla, Nicholas de Klerk, Hannah C Moore
Background: Pneumococcal conjugate vaccine (PCV) was included in Australia's National Immunisation Program for all children from 2005. We assessed the impact of PCV on all-cause and pathogen-specific pneumonia hospitalisations in Western Australian (WA) children aged ≤16 years. Methods: All hospitalisations with pneumonia-related ICD-10AM diagnosis codes occurring in WA-born children (1996-2012) were linked to pathology records. Age-specific incidence rate ratios and temporal trends for all-cause and pathogen-specific pneumonia hospitalisations were calculated pre- and post-PCV introduction...
October 23, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/29032897/prevnar-13-vaccine-failure-in-a-mouse-model-for-vitamin-a-deficiency
#16
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/29029063/impact-of-pneumococcal-vaccination-on-pneumonia-hospitalizations-and-related-costs-in-ontario-a-population-based-ecological-study
#17
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
https://www.readbyqxmd.com/read/29027028/determination-of-avidity-of-igg-against-protein-antigens-from-streptococcus-pneumoniae-assay-development-and-preliminary-application-in-clinical-settings
#18
D C Andrade, I C Borges, N Ekström, T Jartti, T Puhakka, A Barral, H Kayhty, O Ruuskanen, C M Nascimento-Carvalho
The measurement of antibody levels is a common test for the diagnosis of Streptococcus pneumoniae infection in research. However, the quality of antibody response, reflected by avidity, has not been adequately evaluated. We aimed to evaluate the role of avidity of IgG against eight pneumococcal proteins in etiologic diagnosis. Eight pneumococcal proteins (Ply, CbpA, PspA1 and 2, PcpA, PhtD, StkP-C, and PcsB-N) were used to develop a multiplex bead-based avidity immunoassay. The assay was tested for effects of the chaotropic agent, multiplexing, and repeatability...
October 12, 2017: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/29021105/invasive-pneumococcal-pneumonia-caused-by-13-valent-pneumococcal-conjugate-vaccine-types-in-children-with-different-schedules
#19
Hong-Yi Lee, Yu-Chia Hsieh, Ching-Chuan Liu, Yi-Chuan Huang, Kuang-Yi Chang, Hsin Chi, Luan-Yin Chang, Yhu-Chering Huang, Li-Min Huang
BACKGROUND: In Taiwan, the age group with the greatest incidence of invasive pneumococcal disease is 2-5 years of age, which is different from other countries. This study was conducted to identify risk factors and different 13-valent pneumococcal conjugate vaccine (PCV13) schedules associated with vaccine-type invasive pneumococcal pneumonia (IPP) despite prior vaccination. METHODS: A case-control study was conducted prospectively between August 2012 and December 2015 at five participating medical centers...
September 27, 2017: Journal of Microbiology, Immunology, and Infection, Wei Mian Yu Gan Ran za Zhi
https://www.readbyqxmd.com/read/29020313/trends-in-invasive-pneumococcal-disease-ipd-in-cancer-patients-after-the-introduction-of-7-valent-pneumococcal-conjugate-vaccine-pcv7-a-20-year-longitudinal-study-at-a-major-urban-cancer-center
#20
Yeon Joo Lee, Yao-Ting Huang, Seong Jin Kim, Marina Kerpelev, Victoria Gonzalez, Anna Kaltsas, Genovefa Papanicolaou
Background: Rates of invasive pneumococcal disease (IPD) declined since routine childhood immunization with the 7-valent pneumococcal conjugate vaccine (PCV7) in 2000. We studied the impact of PCV7 on the incidence of IPD in cancer patients. Methods: This was a retrospective analysis of adult and pediatric patients treated at Memorial Sloan Kettering Cancer Center from 1992 to 2012. Recovery of Streptococcus pneumoniae from a sterile site defined IPD. IPD incidence was calculated as cases per 1,000 unique patient-visits per year (UPV)...
August 17, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
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