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Wheeze infants

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https://www.readbyqxmd.com/read/29330010/nasopharyngeal-lactobacillus-is-associated-with-childhood-wheezing-illnesses-following-acute-respiratory-syncytial-virus-infection-in-infancy
#1
Christian Rosas-Salazar, Meghan H Shilts, Andrey Tovchigrechko, Seth Schobel, James D Chappell, Emma K Larkin, Tebeb Gebretsadik, Rebecca A Halpin, Karen E Nelson, Martin L Moore, Larry J Anderson, R Stokes Peebles, Suman R Das, Tina V Hartert
BACKGROUND: Early-life acute respiratory infection (ARI) with respiratory syncytial virus (RSV) has been strongly associated with the development of childhood wheezing illnesses, but the pathways underlying this association are poorly understood. OBJECTIVE: To examine the role of the nasopharyngeal microbiome in the development of childhood wheezing illnesses following RSV ARI in infancy. METHODS: We conducted a nested cohort study of 118 previously healthy, term infants with confirmed RSV ARI by RT-PCR...
January 9, 2018: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29315160/preventive-effects-of-vitamin-d-on-seasonal-influenza-a-in-infants-a-multicenter-randomized-open-controlled-clinical-trial
#2
Jian Zhou, Juan Du, Leting Huang, Youcheng Wang, Yimei Shi, Hailong Lin
OBJECTIVES: This study aimed to evaluate the clinical efficacy and safety of vitamin D for preventing influenza A in 400 infants in a multicenter, randomized, open, controlled clinical trial. METHODS: The infants were randomized into low-dose and high-dose vitamin D groups, and serum calcium, inorganic phosphorus and 25-hydroxyvitamin D levels were detected thrice in 4 months. Infants infected with influenza A were monitored for symptoms including fever, cough, and wheezing...
January 8, 2018: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/29314334/wheezing-and-infantile-colic-are-associated-with-neonatal-antibiotic-treatment
#3
Berthe C Oosterloo, Ruurd M van Elburg, Nicole B Rutten, Carin M Bunkers, Clarissa E Crijns, Clemens B Meijssen, Johanna H Oudshoorn, Ger T Rijkers, Cornelis K van der Ent, Arine M Vlieger
BACKGROUND: Cohort studies have suggested that early life antibiotic treatment is associated with increased risk of atopy. We determined whether antibiotic treatment already in the first week of life increases the risk for atopic and non-atopic disorders. METHODS: The INCA study is a prospective observational birth cohort study of 436 term infants, with follow-up of one year. 151 neonates received broad-spectrum antibiotics for suspected neonatal infection (AB+), versus a healthy untreated control group (N=285) (AB-)...
January 4, 2018: Pediatric Allergy and Immunology
https://www.readbyqxmd.com/read/29303025/vitamin-d-status-in-pregnant-women-with-asthma-and-its-association-with-adverse-respiratory-outcomes-during-infancy
#4
Megan E Jensen, V E Murphy, P G Gibson, J Mattes, C A Camargo
BACKGROUND: Vitamin D may influence pregnancy and infant outcomes, especially infant respiratory health. This study aimed to examine vitamin D status in pregnant women with asthma, and whether higher vitamin D levels are associated with fewer adverse respiratory outcomes in their infants. METHODS: Pregnant women with asthma, recruited from John Hunter Hospital Newcastle Australia (latitude 33°S), had serum total 25-hydroxyvitamin-D (25(OH)D) measured at 16 and 35 weeks gestation...
January 5, 2018: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/29273135/complex-relationships-between-vitamin-d-and-allergic-sensitization-among-puerto-rican-2-year-old-children
#5
Srimathi Kannan, Matthew S Perzanowski, Harish B Ganguri, Dolores Acevedo-Garcia, Luis M Acosta, Molly Spatcher, Adnan Divjan, Ginger L Chew
BACKGROUND: In the United States, Puerto Ricans have a higher prevalence of asthma than other Latino ethnicities. Low vitamin D levels for children living in northern climates could be a factor. OBJECTIVE: To assess serum 25-hydroxyvitamin D [25(OH)D] distributions (a marker of vitamin D) and associations among vitamin D, allergic sensitization, early wheeze, and home/demographic factors. METHODS: Puerto Rican infants born in New York City, with a maternal history of atopy, were enrolled in a birth cohort...
January 2018: Annals of Allergy, Asthma & Immunology
https://www.readbyqxmd.com/read/29246125/low-birth-weight-contributed-to-increased-serum-il-6-levels-in-infantile-respiratory-syncytial-virus-infection
#6
Yuan-Jian Sheng, Shan-Shan Xu, Xue-Jing Li, Jin-Ling Liu, Xi-Ling Wu, Xue-Feng Xu
BACKGROUND: To evaluate the role of serum cytokines in the pathogenesis of respiratory syncytial virus (RSV) infection in infants with low birth weight (LBW). METHODS: A prospective observational study was performed, and hospitalized children with lower respiratory tract infection (LRTI) were recruited. Three hundred fifty-eight patients < 1 year met the inclusion criteria: 116 patients had only RSV infection (RSV group); 242 patients had no RSV or other specific pathogen (non-RSV group)...
December 16, 2017: BMC Pediatrics
https://www.readbyqxmd.com/read/29241587/associations-between-infant-fungal-and-bacterial-dysbiosis-and-childhood-atopic-wheeze-in-a-nonindustrialized-setting
#7
Marie-Claire Arrieta, Andrea Arévalo, Leah Stiemsma, Pedro Dimitriu, Martha E Chico, Sofia Loor, Maritza Vaca, Rozlyn C T Boutin, Evan Morien, Mingliang Jin, Stuart E Turvey, Jens Walter, Laura Wegener Parfrey, Philip J Cooper, Brett Finlay
BACKGROUND: Asthma is the most prevalent chronic disease of childhood. Recently, we identified a critical window early in the life of both mice and Canadian infants during which gut microbial changes (dysbiosis) affect asthma development. Given geographic differences in human gut microbiota worldwide, we studied the effects of gut microbial dysbiosis on atopic wheeze in a population living in a distinct developing world environment. OBJECTIVE: We sought to determine whether microbial alterations in early infancy are associated with the development of atopic wheeze in a nonindustrialized setting...
November 30, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29231772/changes-in-the-prevalence-and-severity-of-recurrent-wheezing-in-infants-the-results-of-two-surveys-administered-7%C3%A2-years-apart
#8
Javier Mallol, Dirceu Solé, Viviana Aguirre, Herberto Chong, Nelson Rosario, Luis García-Marcos
OBJECTIVE: To identify changes in the prevalence and severity of recurrent wheezing (RW) in infants using data obtained from two surveys administered seven years apart. METHODS: A cross-sectional, international, population-based study in infants aged 12-15 months was conducted. Data were obtained from two surveys (S1 and S2, in 2005 and 2012, respectively) using the same methodology in three large Latin American cities: Curitiba (Brazil), São Paulo (Brazil), and Santiago (Chile)...
December 12, 2017: Journal of Asthma: Official Journal of the Association for the Care of Asthma
https://www.readbyqxmd.com/read/29230219/functional-impairment-of-mononuclear-phagocyte-system-by-the-human-respiratory-syncytial-virus
#9
REVIEW
Karen Bohmwald, Janyra A Espinoza, Raúl A Pulgar, Evelyn L Jara, Alexis M Kalergis
The mononuclear phagocyte system (MPS) comprises of monocytes, macrophages (MΦ), and dendritic cells (DCs). MPS is part of the first line of immune defense against a wide range of pathogens, including viruses, such as the human respiratory syncytial virus (hRSV). The hRSV is an enveloped virus that belongs to the Pneumoviridae family, Orthopneumovirus genus. This virus is the main etiological agent causing severe acute lower respiratory tract infection, especially in infants, children and the elderly. Human RSV can cause bronchiolitis and pneumonia and it has also been implicated in the development of recurrent wheezing and asthma...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/29226974/acute-bronchiolitis-influence-of-viral-co-infection-in-infants-hospitalized-over-12-consecutive-epidemic-seasons
#10
Laura Petrarca, Raffaella Nenna, Antonella Frassanito, Alessandra Pierangeli, Salvatore Leonardi, Carolina Scagnolari, Guido Antonelli, Paola Papoff, Corrado Moretti, Fabio Midulla
Bronchiolitis is the first lower respiratory tract viral infection manifesting in infants younger than 12 months of age. Our aim was to evaluate clinical and serological differences in infants with bronchiolitis from a single or from multiple viruses. Our secondary aim was to investigate differences in recurrent wheezing episodes after 12-24-36 months of follow-up. We reviewed the clinical records for 486 full-term infants hospitalized for bronchiolitis with at least one virus detected in the nasopharyngeal aspirate...
December 11, 2017: Journal of Medical Virology
https://www.readbyqxmd.com/read/29210195/hair-nicotine-at-15-months-old-tobacco-exposure-and-wheeze-or-asthma-from-15-months-to-6-years-old
#11
Philip K Pattemore, Karen M Silvers, Chris M Frampton, Kristin Wickens, Tristram Ingham, David Fishwick, Julian Crane, G Ian Town, Michael J Epton
OBJECTIVE: To investigate the relationship between hair nicotine levels at 15 months of age and prior parent-reported smoking exposure, and the risk of wheezing and current asthma from 15 months to 6 years of age. STUDY DESIGN: We measured hair nicotine levels at 15 months of age in 376 of 535 infants enrolled in a prospective birth cohort in Christchurch, New Zealand. We obtained detailed information from parents about smoking exposure during pregnancy and in the home at 3 and 15 months of age...
December 6, 2017: Pediatric Pulmonology
https://www.readbyqxmd.com/read/29189674/concurrent-community-transmission-of-enterovirus-d68-with-human-rhinoviruses-and-respiratory-syncytial-virus-among-children-in-sendai-japan
#12
Takaya Metoki, Michiko Okamoto, Akira Suzuki, Setsuko Kitaoka, Hiroki Miyabayashi, Yuka Rokugo, Ryoichi Onuma, Suguru Ohmiya, Ko Sato, Hidekazu Nishimura, Hitoshi Oshitani, Satoru Kumaki, Rie Noguchi, Taiki Sato, Yohei Watanabe
BACKGROUND: In the autumn of 2015, we experienced a surge in the number of pediatric cases of wheeze in our hospital, which was suspected to be caused by enterovirus (EV)-D68 transmission in the community. Thus, we implemented an ad hoc retrospective surveillance for EV-D68. METHODS: Patients aged < 15 years old with acute respiratory infection were eligible for inclusion in this study. All enrolled patients underwent virus detection test. Additionally, neutralization tests (NTs) were performed using the stored serum samples of the enrolled patients to compare the antigenicity of the virus isolated in this study with that isolated in 2010 and evaluate the anti-EV-D68 antibody prevalence...
November 17, 2017: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/29187358/vitamin-d-supplementation-during-pregnancy-state-of-the-evidence-from-a-systematic-review-of-randomised-trials
#13
Daniel E Roth, Michael Leung, Elnathan Mesfin, Huma Qamar, Jessica Watterworth, Eszter Papp
Objectives To estimate the effects of vitamin D supplementation during pregnancy on 11 maternal and 27 neonatal/infant outcomes; to determine frequencies at which trial outcome data were missing, unreported, or inconsistently reported; and to project the potential contributions of registered ongoing or planned trials.Design Systematic review and meta-analysis of randomised controlled trials; systematic review of registered but unpublished trials.Data sources Medline, Embase, PubMed, Cochrane Database of Systematic Reviews, and Cochrane Central Register of Controlled Trials from inception to September 2017; manual searches of reference lists of systematic reviews identified in the electronic search; and online trial registries for unpublished, ongoing, or planned trials...
November 29, 2017: BMJ: British Medical Journal
https://www.readbyqxmd.com/read/29178284/nitric-oxide-inhalations-in-bronchiolitis-a-pilot-randomized-double-blinded-controlled-trial
#14
Asher Tal, David Greenberg, Yossef Av-Gay, Inbal Golan-Tripto, Yael Feinstein, Shalom Ben-Shimol, Ron Dagan, Aviv D Goldbart
AIM: The aims of this pilot study were to determine safety, tolerability (primary outcome) and efficacy (secondary outcome) of high-dose inhaled nitric oxide for the treatment of infants with moderately severe bronchiolitis. METHODS: This was a pilot, double-blinded, randomized controlled study (phase IIa). Intermittent inhalations of nitric oxide 160 ppm for 30 min or oxygen/air (control) were given 5 times/day to hospitalized infants (2-11 months) with acute bronchiolitis...
January 2018: Pediatric Pulmonology
https://www.readbyqxmd.com/read/29168321/effect-of-fetal-and-infant-growth-on-respiratory-symptoms-in-preterm-born-children
#15
John Lowe, Sarah J Kotecha, William J Watkins, Sailesh Kotecha
OBJECTIVES: Fetal growth and rapid postnatal weight gain are associated with adverse respiratory outcomes in childhood. However, the preterm-born population is less well studied. We assessed if the increased respiratory symptoms associated with altered fetal growth and infant weight gain were mediated by early factors. STUDY DESIGN: We used data from our cohort of preterm- and term-born (n = 4284 and 2865) children, aged 1-10 years. Respiratory outcomes obtained from a respiratory questionnaire were regressed on measures of fetal growth and infant weight gain, defined as >0...
November 23, 2017: Pediatric Pulmonology
https://www.readbyqxmd.com/read/29168012/cost-effectiveness-of-rule-based-immunoprophylaxis-against-respiratory-syncytial-virus-infections-in-preterm-infants
#16
Maarten O Blanken, Geert W Frederix, Elisabeth E Nibbelke, Hendrik Koffijberg, Elisabeth A M Sanders, Maroeska M Rovers, Louis Bont
The objective of the paper is to assess the cost-effectiveness of targeted respiratory syncytial virus (RSV) prophylaxis based on a validated prediction rule with 1-year time horizon in moderately preterm infants compared to no prophylaxis. Data on health care consumption were derived from a randomised clinical trial on wheeze reduction following RSV prophylaxis and a large birth cohort study on risk prediction of RSV hospitalisation. We calculated the incremental cost-effectiveness ratio (ICER) of targeted RSV prophylaxis vs...
November 22, 2017: European Journal of Pediatrics
https://www.readbyqxmd.com/read/29167839/early-life-exposure-to-indoor-air-pollution-or-tobacco-smoke-and-lower-respiratory-tract-illness-and-wheezing-in-african-infants-a-longitudinal-birth-cohort-study
#17
Aneesa Vanker, Whitney Barnett, Lesley Workman, Polite M Nduru, Peter D Sly, Robert P Gie, Heather J Zar
Background: Indoor air pollution (IAP) and environmental tobacco smoke (ETS) are associated with lower respiratory tract illness (LRTI) or wheezing in children. However, the effect of the timing of these exposures, specifically antenatal versus postnatal, and of alternate fuel sources such as the increasingly used volatile organic compounds have not been well studied. We longitudinally investigated the effect of antenatal or postnatal IAP and ETS on LRTI or wheezing prevalence and severity in African infants...
November 2017: Lancet. Planetary Health
https://www.readbyqxmd.com/read/29167579/the-first-1000-days-of-life-factors-associated-with-childhood-asthma-symptoms-brisa-cohort-brazil
#18
Joelma Ximenes Prado Teixeira Nascimento, Cecilia Claudia Costa Ribeiro, Rosângela Fernandes Lucena Batista, Maria Teresa Seabra Soares de Britto Alves, Vanda Maria Ferreira Simões, Luana Lopes Padilha, Viviane Cunha Cardoso, Elcio Oliveira Vianna, Heloisa Bettiol, Marco Antonio Barbieri, Antônio Augusto Moura Da Silva
This prospective study used data from the BRISA Cohort, São Luís, Brazil (n = 1140) and analyzed associations between environmental factors up to the first 1000 days of life and "Childhood Asthma Symptoms". "Childhood Asthma Symptoms" was a latent variable based on the number of wheezing episodes, emergency care visit due to wheezing, diagnosis of asthma and diagnosis of rhinitis. A theoretical model that included prenatal factors (socioeconomic status, pregestational body mass index-BMI, soft drink and junk food consumption), birth factors (gestational age, smoking and diseases during pregnancy, birth weight and type of delivery), first year of life factors (breastfeeding, environmental aeroallergens and respiratory diseases) and BMI z-score in the second year of life, was analyzed by structural equation modeling...
November 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29131887/effect-of-an-intervention-to-promote-breastfeeding-on-asthma-lung-function-and-atopic-eczema-at-age-16-years-follow-up-of-the-probit-randomized-trial
#19
Carsten Flohr, A John Henderson, Michael S Kramer, Rita Patel, Jennifer Thompson, Sheryl L Rifas-Shiman, Seungmi Yang, Konstantin Vilchuck, Natalia Bogdanovich, Mikhail Hameza, Richard M Martin, Emily Oken
Importance: Atopic diseases, including asthma and atopic eczema, are the most common chronic conditions of childhood. Objective: To investigate whether an intervention to promote prolonged and exclusive breastfeeding protects against asthma, atopic eczema, and low lung function in adolescence. Design, Setting, and Participants: Follow-up of the Promotion of Breastfeeding Intervention Trial (PROBIT), a cluster randomized trial in 30 Belarusian maternity hospitals and affiliated polyclinics; recruitment of 17 046 healthy term infants took place from June 15, 1996, to December 31, 1997...
January 2, 2018: JAMA Pediatrics
https://www.readbyqxmd.com/read/29106950/prenatal-exposure-to-perfluoralkyl-substances-pfass-associated-with-respiratory-tract-infections-but-not-allergy-and-asthma-related-health-outcomes-in-childhood
#20
A Impinen, U C Nygaard, K C Lødrup Carlsen, P Mowinckel, K H Carlsen, L S Haug, B Granum
BACKGROUND: Prenatal exposure to perfluoralkyl substances (PFASs) has been reported to be associated with immunosuppression in early childhood, but with contradictory findings related to atopic and lung diseases. AIM: We aimed to determine if prenatal exposure to PFASs is associated with asthma or other allergic diseases or respiratory tract infections in childhood. METHODS: Nineteen PFASs were measured in cord blood available from 641 infants in the Environment and Childhood Asthma (ECA) prospective birth cohort study...
October 26, 2017: Environmental Research
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