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Infant chronic lung disease

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https://www.readbyqxmd.com/read/27904883/interactions-of-respiratory-viruses-and-the-nasal-microbiota-during-the-first-year-of-life-in-healthy-infants
#1
Insa Korten, Moana Mika, Shkipe Klenja, Elisabeth Kieninger, Ines Mack, Maria Teresa Barbani, Meri Gorgievski, Urs Frey, Markus Hilty, Philipp Latzin
Traditional culture techniques have shown that increased bacterial colonization is associated with viral colonization; however, the influence of viral colonization on the whole microbiota composition is less clear. We thus aimed to understand the interaction of viral infections and the nasal microbiota in early life to appraise their roles in disease development. Thirty-two healthy, unselected infants were included in this prospective longitudinal cohort study within the first year of life. Biweekly nasal swabs (n = 559) were taken, and the microbiota was analyzed by 16S rRNA pyrosequencing, and 10 different viruses and 2 atypical bacteria were characterized by real-time PCR (combination of seven duplex samples)...
November 2016: MSphere
https://www.readbyqxmd.com/read/27898687/effects-of-chronologic-age-and-young-child-exposure-on-respiratory-syncytial-virus-disease-among-us-preterm-infants-born-at-32-to-35-weeks-gestation
#2
Eric A F Simões, Evan J Anderson, Xionghua Wu, Christopher S Ambrose
OBJECTIVE: To estimate the incidence of respiratory syncytial virus (RSV) disease as a function of chronologic age and exposure to young children in US preterm infants. METHODS: In the RSV Respiratory Events among Preterm Infants Outcomes and Risk Tracking (REPORT) study, preterm infants born at 32-35 weeks gestational age (wGA) were enrolled from 188 US clinics and followed September-May of 2009-2010 or 2010-2011. Infants with medically-attended acute respiratory illness had nasal/pharyngeal swabs collected for viral testing...
2016: PloS One
https://www.readbyqxmd.com/read/27891060/human-metapneumovirus-in-the-preterm-neonate-current-perspectives
#3
Nathalie L Maitre, John V Williams
Premature birth (<37 weeks gestation) occurs in ~11% of all births in the US. These infants are at risk of chronic lung disease and respiratory conditions, including bronchopulmonary dysplasia. Respiratory viruses are important causes of acute respiratory illness (ARI) in preterm infants, leading to rehospitalization, increased health care burden, and long-term morbidity. Human metapneumovirus (HMPV) is a paramyxovirus discovered in 2001 that is related to respiratory syncytial virus. Epidemiologic studies show that HMPV is a leading cause of ARI in children and adults worldwide...
2016: Research and Reports in Neonatology
https://www.readbyqxmd.com/read/27864751/defining-the-risk-and-associated-morbidity-and-mortality-of-severe-respiratory-syncytial-virus-infection-among-infants-with-chronic-lung-disease
#4
REVIEW
Bosco Paes, Brigitte Fauroux, Josep Figueras-Aloy, Louis Bont, Paul A Checchia, Eric A F Simões, Paolo Manzoni, Xavier Carbonell-Estrany
INTRODUCTION: The REGAL (RSV evidence-a geographical archive of the literature) series provide a comprehensive review of the published evidence in the field of respiratory syncytial virus (RSV) in Western countries over the last 20 years. This third publication covers the risk and burden of RSV infection in infants with chronic lung disease (CLD), formerly called bronchopulmonary dysplasia (BPD). METHODS: A systematic review was undertaken of publications between January 1, 1995 and December 31, 2015 across PubMed, Embase, The Cochrane Library, and Clinicaltrials...
November 18, 2016: Infectious Diseases and Therapy
https://www.readbyqxmd.com/read/27796747/neonatal-dexamethasone-treatment-exacerbates-hypoxia-ischemia-induced-white-matter-injury
#5
Chia -Yu Yeh, Che-Ming Yeh, Ting-Hsuan Yu, Kan-Hsun Chang, Chiung-Chun Huang, Kuei-Sen Hsu
Dexamethasone, a synthetic glucocorticoid, has been widely used to prevent or ameliorate morbidity of chronic lung disease in preterm infants with respiratory distress syndrome. Despite its beneficial effect on neonatal lung function, growing concern has arisen about adverse effects of this clinical practice on fetal brain development. We demonstrated previously that neonatal dexamethasone (DEX) treatment may render the newborn brain to be more vulnerable to hypoxia/ischemia (HI)-induced gray matter injury...
October 28, 2016: Molecular Neurobiology
https://www.readbyqxmd.com/read/27775765/association-between-antibiotic-use-and-neonatal-mortality-and-morbidities-in-very-low-birth-weight-infants-without-culture-proven-sepsis-or-necrotizing-enterocolitis
#6
Joseph Y Ting, Anne Synnes, Ashley Roberts, Akhil Deshpandey, Kimberly Dow, Eugene W Yoon, Kyong-Soon Lee, Simon Dobson, Shoo K Lee, Prakesh S Shah
Importance: Excessive antibiotic use has been associated with altered bacterial colonization and may result in antibiotic resistance, fungemia, necrotizing enterocolitis (NEC), and mortality. Exploring the association between antibiotic exposure and neonatal outcomes other than infection-related morbidities may provide insight on the importance of rational antibiotic use, especially in the setting of culture-negative neonatal sepsis. Objective: To evaluate the trend of antibiotic use among all hospitalized very low-birth-weight (VLBW) infants across Canada and the association between antibiotic use rates (AURs) and mortality and morbidity among neonates without culture-proven sepsis or NEC...
October 24, 2016: JAMA Pediatrics
https://www.readbyqxmd.com/read/27770432/fgf10-deficiency-is-causative-for-lethality-in-a-mouse-model-of-bronchopulmonary-dysplasia
#7
Cho-Ming Chao, Faady Yahya, Alena Moiseenko, Caterina Tiozzo, Amit Shrestha, Negah Ahmadvand, Elie El Agha, Jennifer Quantius, Salma Dilai, Vahid Kheirollahi, Matthew Jones, Jochen Wilhem, Gianni Carraro, Harald Ehrhardt, Klaus-Peter Zimmer, Guillermo Barreto, Katrin Ahlbrecht, Rory E Morty, Susanne Herold, Rosanna G Abellar, Werner Seeger, Ralph Schermuly, Jin-San Zhang, Parviz Minoo, Saverio Bellusci
Inflammation-induced FGF10 protein deficiency is associated with bronchopulmonary dysplasia (BPD), a chronic lung disease of prematurely born infants characterized by arrested alveolar development. So far, experimental evidence for a direct role of FGF10 in lung disease is lacking. Using the hyperoxia-induced neonatal lung injury as a mouse model of BPD, the impact of Fgf10 deficiency in Fgf10(+/-) versus Fgf10(+/+) pups was investigated. In normoxia, no lethality of Fgf10(+/+) or Fgf10(+/-) pups was observed...
October 22, 2016: Journal of Pathology
https://www.readbyqxmd.com/read/27760762/endothelin-1-rho-kinase-interactions-impair-lung-structure-and-cause-pulmonary-hypertension-after-bleomycin-exposure-in-neonatal-rat-pups
#8
Jason Gien, Nancy Tseng, Gregory Seedorf, Katherine Kuhn, Steven H Abman
Bronchopulmonary dysplasia (BPD) is the chronic lung disease associated with premature birth, characterized by impaired vascular and alveolar growth. In neonatal rats bleomycin decreases lung growth and causes pulmonary hypertension (PH), which is poorly responsive to nitric oxide. In the developing lung, through Rho kinase (ROCK) activation, ET-1 impairs endothelial cell function; however, whether ET-1-ROCK interactions contribute to impaired vascular and alveolar growth in experimental BPD is unknown. Neonatal rats were treated daily with intraperitoneal bleomycin with and without selective ETA (BQ123/BQ610) and ETB (BQ788) receptor blockers, nonselective ET receptor blocker (ETRB) (bosentan), or fasudil (ROCK inhibitor)...
December 1, 2016: American Journal of Physiology. Lung Cellular and Molecular Physiology
https://www.readbyqxmd.com/read/27718180/linking-bronchopulmonary-dysplasia-to-adult-chronic-lung-diseases-role-of-wnt-signaling
#9
Chiharu Ota, Hoeke A Baarsma, Darcy E Wagner, Anne Hilgendorff, Melanie Königshoff
Bronchopulmonary dysplasia (BPD) is one of the most common chronic lung diseases in infants caused by pre- and/or postnatal lung injury. BPD is characterized by arrested alveolarization and vascularization due to extracellular matrix remodeling, inflammation, and impaired growth factor signaling. WNT signaling is a critical pathway for normal lung development, and its altered signaling has been shown to be involved in the onset and progression of incurable chronic lung diseases in adulthood, such as chronic obstructive pulmonary disease (COPD) or idiopathic pulmonary fibrosis (IPF)...
December 2016: Molecular and Cellular Pediatrics
https://www.readbyqxmd.com/read/27704518/primary-immunodeficiencies-report-of-33-pediatric-tunisian-cases
#10
Sonia Halioui-Louhaichi, Ons Azzabi, Nadia Mattoussi, Hasna Labiadh, Khadija Bousseta, Neji Tebib, Taher Gargah, Sayda Ben Becher, Mohamed Ridha Barbouch, Mohamed Bejaoui, Ahmed Maherzi
Background Primary immunodeficiencies (PID) are a group of heterogeneous and relatively rare diseases. Aim to determine the clinical characteristics, outcome and genetic data of primary immunodeficiencies in pediatrics patients. Methods A retrospective, descriptive and multicentered study, enrolling 33 children presenting a PID in Tunis, during a period of 22 years (1991-2012). Resultats a masculine predominance has been noticed with a sex ratio at 2,3. Consanguinity was found in 71% of family cases. History of early infant deaths was found in 42% of cases...
April 2016: La Tunisie Médicale
https://www.readbyqxmd.com/read/27693722/abnormal-findings-in-brainstem-auditory-evoked-response-at-36-37weeks-of-postconceptional-age-in-babies-with-neonatal-chronic-lung-disease
#11
Ze D Jiang, Cui Wang
AIM: To examine brainstem auditory function at 36-37weeks of postconceptional age in preterm infants who are diagnosed to have neonatal chronic lung disease (CLD). STUDY DESIGN: Preterm infants, born at 31 and less weeks of gestation, were studied at 36-37weeks of postconceptional age when they were diagnosed to have neonatal CLD. Brainstem auditory evoked response (BAER) was recorded and analyzed at different click rates. RESULTS: Compared with healthy controls at the same postconceptional age, the CLD infants showed a slightly increase in BAER wave V latency...
September 28, 2016: Early Human Development
https://www.readbyqxmd.com/read/27665512/diabetes-in-pregnancy-and-lung-health-in-offspring-developmental-origins-of-respiratory-disease
#12
M B Azad, B L Moyce, L Guillemette, C D Pascoe, B Wicklow, J M McGavock, A J Halayko, V W Dolinsky
Diabetes is an increasingly common complication of pregnancy. In parallel with this trend, a rise in chronic lung disease in children has been observed in recent decades. While several adverse health outcomes associated with exposure to diabetes in utero have been documented in epidemiological and experimental studies, few have examined the impact of diabetes in pregnancy on offspring lung health and respiratory disease. We provide a comprehensive overview of current literature on this topic, finding suggestive evidence that exposure to diabetes in utero may have adverse effects on lung development...
August 19, 2016: Paediatric Respiratory Reviews
https://www.readbyqxmd.com/read/27665511/maternal-hiv-and-paediatric-lung-health
#13
A L Slogrove, L Frigati, D M Gray
With improved prevention of mother to child transmission of HIV, paediatric HIV disease is less common. However, the number of HIV exposed but uninfected infants is growing. Exposure to maternal HIV impacts infant respiratory health through an increase in known risk factors such as increased preterm birth and low birth weight, suboptimal breastfeeding, increased psychosocial stressors and increased exposure to infective pathogens. Exposure to the HIV virus and altered maternal immune environment result in immunologic changes in the infant that may contribute to respiratory disease risk...
August 19, 2016: Paediatric Respiratory Reviews
https://www.readbyqxmd.com/read/27649091/european-consensus-guidelines-on-the-management-of-respiratory-distress-syndrome-2016-update
#14
David G Sweet, Virgilio Carnielli, Gorm Greisen, Mikko Hallman, Eren Ozek, Richard Plavka, Ola Didrik Saugstad, Umberto Simeoni, Christian P Speer, Máximo Vento, Gerard H A Visser, Henry L Halliday
Advances in the management of respiratory distress syndrome (RDS) ensure that clinicians must continue to revise current practice. We report the third update of the European Guidelines for the Management of RDS by a European panel of expert neonatologists including input from an expert perinatal obstetrician based on available literature up to the beginning of 2016. Optimizing the outcome for babies with RDS includes consideration of when to use antenatal steroids, and good obstetric practice includes methods of predicting the risk of preterm delivery and also consideration of whether transfer to a perinatal centre is necessary and safe...
September 21, 2016: Neonatology
https://www.readbyqxmd.com/read/27631205/juvenile-polyposis-syndrome-an-unusual-case-report-of-anemia-and-gastrointestinal-bleeding-in-young-infant
#15
Yi-Han Hsiao, Chin-Hung Wei, Szu-Wen Chang, Lung Chang, Yu-Wei Fu, Hung-Chang Lee, Hsuan-Liang Liu, Chun-Yan Yeung
BACKGROUND: Juvenile polyposis syndrome, a rare disorder in children, is characterized with multiple hamartomatous polyps in alimentary tract. A variety of manifestations include bleeding, intussusception, or polyp prolapse. In this study, we present an 8-month-old male infant of juvenile polyposis syndrome initially presenting with chronic anemia. To the best of our knowledge, this is the youngest case reported in the literature. METHODS: We report a rare case of an 8-month-old male infant who presented with chronic anemia and gastrointestinal bleeding initially...
September 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27629751/neuroendocrine-cell-hyperplasia-of-infancy-an-unusual-cause-of-hypoxemia-in-children
#16
Silvia Caimmi, Amelia Licari, Davide Caimmi, Anna Rispoli, Eugenio Baraldi, Fiorella Calabrese, Gian Luigi Marseglia
BACKGROUND: Childhood interstitial lung disease (chILD) is a heterogeneous group of rare disorders characterized by abnormal imaging findings, impaired gas exchange; and is associated with substantial morbidity and mortality. Neuroendocrine cell hyperplasia (NEHI) is a unique sub-group, which is more prevalent in infants and children younger than 2 years of age, and typically manifests with chronic tachypnea, retractions, hypoxemia and failure to thrive. NEHI insidiously appears in the first year of life, subtly masquerading as one of the more common lung diseases of childhood...
September 15, 2016: Italian Journal of Pediatrics
https://www.readbyqxmd.com/read/27628014/defining-the-risk-and-associated-morbidity-and-mortality-of-severe-respiratory-syncytial-virus-infection-among-preterm-infants-without-chronic-lung-disease-or-congenital-heart-disease
#17
Josep Figueras-Aloy, Paolo Manzoni, Bosco Paes, Eric A F Simões, Louis Bont, Paul A Checchia, Brigitte Fauroux, Xavier Carbonell-Estrany
INTRODUCTION: The REGAL (RSV Evidence-a Geographical Archive of the Literature) series provide a comprehensive review of the published evidence in the field of respiratory syncytial virus (RSV) in Western countries over the last 20 years. This second publication covers the risk and burden of RSV infection in preterm infants born at <37 weeks' gestational age (wGA) without chronic lung disease or congenital heart disease. METHODS: A systematic review was undertaken for articles published between January 1, 1995 and December 31, 2015...
September 14, 2016: Infectious Diseases and Therapy
https://www.readbyqxmd.com/read/27618520/alteration-of-tgf-%C3%AE-alk-smad-signaling-in-hyperoxia-induced-bronchopulmonary-dysplasia-model-of-newborn-rats
#18
Meihua Jin, Juyoung Lee, Kyung-Yup Lee, Zhengyong Jin, Jhang Ho Pak, Han-Suk Kim
BACKGROUND: Bronchopulmonary dysplasia (BPD) is a main chronic lung disease commonly occurs in preterm infants. BPD is characterized by impaired alveolarization and vascularization of the developing lung. Transforming growth factor-β (TGF-β) signaling pathway is known to play an important role during lung vascular development. In the present study, we examined whether the regulation of TGF-β-ALK-Smad signaling pathway influence on the disruption of pulmonary vascular development in newborn rats as hyperoxia-induced BPD model...
September 12, 2016: Experimental Lung Research
https://www.readbyqxmd.com/read/27610260/postpartum-tuberculosis-a-diagnostic-and-therapeutic-challenge
#19
Vijay Kodadhala, Alemeshet Gudeta, Aklilu Zerihun, Odene Lewis, Sohail Ahmed, Jhansi Gajjala, Alicia Thomas
Tuberculosis (TB) infection in pregnant women and newborn babies is always challenging. Appropriate treatment is pivotal to curtail morbidity and mortality. TB diagnosis or exposure to active TB can be emotionally distressing to the mother. Circumstances can become more challenging for the physician if the mother's TB status is unclear. Effective management of TB during pregnancy and the postpartum period requires a multidisciplinary approach including pulmonologist, obstetrician, neonatologist, infectious disease specialist, and TB public health department...
2016: Case Reports in Pulmonology
https://www.readbyqxmd.com/read/27603532/mesenchymal-stromal-cell-based-therapies-for-chronic-lung-disease-of-prematurity
#20
Lannae Strueby, Bernard Thébaud
Advances in perinatal care allow the survival of ever more premature infants. By approaching the biological limit of viability, survival free of injury becomes more challenging. As a consequence, bronchopulmonary dysplasia (BPD), the chronic lung disease of prematurity, remains one of the main complications in infants born before 28 weeks' gestation. Currently, there is no treatment for BPD. Recent progress in understanding the biology of stem cells has opened unprecedented therapeutic options to mitigate lung injury and promote lung growth...
September 2016: American Journal of Perinatology
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