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Infant chronic lung disease

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https://www.readbyqxmd.com/read/28630471/candidatus-mycoplasma-girerdii-replicates-diversifies-and-co-occurs-with-trichomonas-vaginalis-in-the-oral-cavity-of-a-premature-infant
#1
Elizabeth K Costello, Christine L Sun, Erica M Carlisle, Michael J Morowitz, Jillian F Banfield, David A Relman
Genital mycoplasmas, which can be vertically transmitted, have been implicated in preterm birth, neonatal infections, and chronic lung disease of prematurity. Our prior work uncovered 16S rRNA genes belonging to a novel, as-yet-uncultivated mycoplasma (lineage 'Mnola') in the oral cavity of a premature neonate. Here, we characterize the organism's associated community, growth status, metabolic potential, and population diversity. Sequencing of genomic DNA from the infant's saliva yielded 1.44 Gbp of high-quality, non-human read data, from which we recovered three essentially complete (including 'Mnola') and three partial draft genomes (including Trichomonas vaginalis)...
June 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28616049/cytokine-profiles-at-birth-and-the-risk-of-developing-severe-respiratory-distress-and-chronic-lung-disease
#2
Majeda S Hammoud, Raj Raghupathy, Nahla Barakat, Hoda Eltomi, Deena Elsori
BACKGROUND: Neonates with the diagnosis of respiratory distress syndrome (RDS) were studied to investigate possible associations between cytokine levels at birth and developing severe RDS or chronic lung disease (CLD). MATERIALS AND METHODS: This was a cross-sectional study on serum and bronchoalveolar lavage (BAL) samples collected within hours of birth from infants with moderate and severe RDS. Twenty infants with moderate RDS and 20 infants with severe RDS were studied...
2017: Journal of Research in Medical Sciences: the Official Journal of Isfahan University of Medical Sciences
https://www.readbyqxmd.com/read/28613077/identification-of-infants-at-risk-for-chronic-lung-disease-at-birth-potential-for-a-personalized-approach-to-disease-prevention
#3
Angelo D'Alessandro, Eva Nozik-Grayck, Kurt R Stenmark
No abstract text is available yet for this article.
June 14, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/28580865/the-association-between-environmental-tobacco-smoke-exposure-and-childhood-respiratory-disease-a-review
#4
A Vanker, R P Gie, H J Zar
Childhood respiratory illness is a major cause of morbidity and mortality particularly in low and middle-income countries. Environmental tobacco smoke (ETS) exposure is a recognised risk factor for both acute and chronic respiratory illness. Areas covered: The aim of this paper was to review the epidemiology of ETS exposure and impact on respiratory health in children. We conducted a search of 3 electronic databases of publications on ETS and childhood respiratory illness from 1990-2015. Key findings were that up to 70% of children are exposed to ETS globally, but under-reporting may mask the true prevalence...
June 14, 2017: Expert Review of Respiratory Medicine
https://www.readbyqxmd.com/read/28576899/association-between-exposure-to-the-chinese-famine-during-infancy-and-the-risk-of-self-reported-chronic-lung-diseases-in-adulthood-a-cross-sectional-study
#5
Zhenghe Wang, Zhiyong Zou, Zhongping Yang, Yanhui Dong, Jun Ma
OBJECTIVE: To examine the association between early-life exposure to the Chinese famine and the risk of chronic lung diseases in adulthood. DESIGN: Data analysis from a cross-sectional survey. SETTING AND PARTICIPANTS: 4135 subjects were enrolled into the study from the China Health and Retirement Longitudinal Study (CHARLS) 2011-2012 baseline survey to analyse the associations between prenatal and early postnatal famine exposure and the risk of chronic lung diseases in adulthood...
June 2, 2017: BMJ Open
https://www.readbyqxmd.com/read/28558308/age-predicts-cytokine-kinetics-and-innate-immune-cell-activation-following-intranasal-delivery-of-ifn%C3%AE-and-gm-csf-in-a-mouse-model-of-rsv-infection
#6
Katherine M Eichinger, Erin Resetar, Jacob Orend, Kacey Anderson, Kerry M Empey
Respiratory syncytial virus (RSV) is the leading cause of lower respiratory tract infections in young children and is further associated with increased healthcare utilization and cost of care in the first years of life. Severe RSV disease during infancy has also been linked to the later development of allergic asthma, yet there remains no licensed RSV vaccine or effective treatment. Pre-clinical and clinical studies have shown that disease severity and development of allergic asthma are associated with differences in cytokine production...
May 27, 2017: Cytokine
https://www.readbyqxmd.com/read/28555180/risk-factors-for-neurocognitive-functioning-in-children-with-autosomal-recessive-polycystic-kidney-disease
#7
REVIEW
Stephen R Hooper
This mini review provides an overview of the issues and challenges inherent in autosomal recessive polycystic kidney disease (ARPKD), with a particular focus on the neurological factors and neurocognitive functioning of this population. ARPKD typically is discovered at the end of pregnancy or during the neonatal developmental period and occurs in approximately 1 in 20,000 live births. During the neonatal period, there is a relatively high risk of death, with many infants dying from respiratory failure. As the child ages, they experience progressive kidney disease and become increasingly vulnerable to liver disease, with many individuals eventually requiring dual organ transplants...
2017: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/28544539/intensive-care-unit-admissions-and-ventilation-support-in-infants-with-bronchiolitis
#8
Ed Oakley, Vi Chong, Meredith Borland, Jocelyn Neutze, Natalie Phillips, David Krieser, Stuart Dalziel, Andrew Davidson, Susan Donath, Kim Jachno, Mike South, Amanda Fry, Franz E Babl
OBJECTIVES: To describe the rate of intensive care unit (ICU) admission, type of ventilation support provided and risk factors for ICU admission in infants with bronchiolitis. DESIGN: Retrospective review of hospital records and Australia and New Zealand Paediatric Intensive Care (ANZPIC) registry data for infants 2-12 months old admitted with bronchiolitis. SETTING: Seven Australian and New Zealand hospitals. These infants were prospectively identified through the comparative rehydration in bronchiolitis (CRIB) study between 2009 and 2011...
May 19, 2017: Emergency Medicine Australasia: EMA
https://www.readbyqxmd.com/read/28538237/update-on-postnatal-steroids
#9
Henry L Halliday
Antenatal steroid treatment to enhance fetal lung maturity and surfactant treatment to prevent or treat respiratory distress syndrome have been major advances in perinatal medicine in the past 40 years contributing to improved outcomes for preterm infants. Use of postnatal steroids to prevent or treat chronic lung disease in preterm infants has been less successful and associated with adverse neurodevelopmental outcomes. Although early (in the first week of life) postnatal steroid treatment facilitates earlier extubation and reduces the risk of chronic lung disease, it is associated with adverse effects, such as hyperglycemia, hypertension, gastrointestinal bleeding and perforation, hypertrophic cardiomyopathy, growth failure, and cerebral palsy, and cannot be recommended...
2017: Neonatology
https://www.readbyqxmd.com/read/28536728/neonatologist-performed-point-of-care-functional-echocardiography-in-the-neonatal-intensive-care-unit
#10
Woei Bing Poon, Keng Yean Wong
Functional echocardiography (fECHO) refers to a bedside, limited assessment of the ductus arteriosus, myocardial performance and pulmonary or systemic haemodynamics that is brief in nature and addresses a specific clinical question or management dilemma. This point-of-care ultrasonography is increasingly used internationally and locally among neonatal units to assist with management of neonatal haemodynamic conditions. This article intends to explain the modality, its indications, interpretation and implications for management, and how it impacts long-term outcomes, particularly in chronic lung disease for premature infants born before 32 weeks of gestation...
May 2017: Singapore Medical Journal
https://www.readbyqxmd.com/read/28516132/life-threatening-hypercalcemia-during-prodrome-of-pneumocystis-jiroveci-pneumonia-in-an-immunocompetent-infant
#11
Judith Sebestyen VanSickle, Tarak Srivastava, Uri S Alon
Severe hypercalcemia in infants is usually attributed to genetic etiologies and less commonly to acquired ones. An 8-week-old girl presented with failure to thrive, mild respiratory distress, and life-threatening hypercalcemia (23.5 mg/dL). Serum 1,25(OH)2-vitamin D (1,25(OH)2-D) level was elevated and parathyroid hormone undetectable. Evaluation for genetic mutations and malignant etiologies of hypercalcemia was negative. Treatment with intravenous hydration, loop diuretic, and calcitonin failed to correct the hypercalcemia, which was subsequently controlled with bisphosphonate therapy...
2017: Global Pediatric Health
https://www.readbyqxmd.com/read/28503300/how-to-decrease-bronchopulmonary-dysplasia-in-your-neonatal-intensive-care-unit-today-and-tomorrow
#12
REVIEW
Leif D Nelin, Vineet Bhandari
Bronchopulmonary dysplasia, or BPD, is the most common chronic lung disease in infants. Genetic predisposition and developmental vulnerability secondary to antenatal and postnatal infections, compounded with exposure to hyperoxia and invasive mechanical ventilation to an immature lung, result in persistent inflammation, culminating in the characteristic pulmonary phenotype of BPD of impaired alveolarization and dysregulated vascularization. In this article, we highlight specific areas in current management, and speculate on therapeutic strategies that are on the horizon, that we believe will make an impact in decreasing the incidence of BPD in your neonatal intensive care units...
2017: F1000Research
https://www.readbyqxmd.com/read/28500974/ongoing-developments-in-rsv-prophylaxis-a-clinician-s-analysis
#13
REVIEW
Fariba Rezaee, Debra T Linfield, Terri J Harford, Giovanni Piedimonte
Respiratory syncytial virus (RSV) is the most common respiratory pathogen in infants and young children worldwide. Lower respiratory tract infection due to RSV is one of the most common causes of hospitalization for infants, especially those born premature or with chronic lung or heart disease. Furthermore, RSV infection is an important cause of morbidity in adults, particularly in the elderly and immunocompromised individuals. The acute phase of this infection is often followed by episodes of wheezing that recur for months or years and usually lead to a physician diagnosis of asthma...
May 10, 2017: Current Opinion in Virology
https://www.readbyqxmd.com/read/28485984/vascular-endothelial-mitochondrial-function-predicts-death-or-pulmonary-outcomes-in-preterm-infants
#14
Jegen Kandasamy, Nelida Olave, Scott W Ballinger, Namasivayam Ambalavanan
RATIONALE: Vascular endothelial mitochondrial dysfunction contributes to the pathogenesis of several oxidant stress associated disorders. Oxidant stress is a major contributor to the pathogenesis of bronchopulmonary dysplasia (BPD), a chronic lung disease of prematurity that often leads to sequelae in adult survivors. OBJECTIVES: This study was conducted to identify whether differences in mitochondrial bioenergetic function and oxidant generation in HUVEC (human umbilical venous endothelial cells) obtained from extremely preterm infants were associated with risk for BPD or death before 36 weeks post-menstrual age...
May 9, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/28479114/bronchopulmonary-dysplasia-where-have-all-the-stem-cells-gone-origin-and-potential-function-of-resident-lung-stem-cells
#15
Marius Alexander Möbius, Bernard Thébaud
Celebrating its 50(th) anniversary in 2017, bronchopulmonary dysplasia (BPD) - the chronic lung disease of prematurity that follows ventilator and O2 therapy for acute respiratory failure - remains the most frequent complication of extreme prematurity. Survival of premature infants born at increasingly earlier stages of gestation has made the prevention of lung injury increasingly challenging. BPD is postulated to be a misdirection of many functions in the developing lung including growth factor signalling and matrix as well as cellular composition, resulting in impaired alveolar and lung vascular growth...
May 4, 2017: Chest
https://www.readbyqxmd.com/read/28473324/mir-29b-supplementation-decreases-expression-of-matrix-proteins-and-improves-alveolarization-in-mice-exposed-to-maternal-inflammation-and-neonatal-hyperoxia
#16
Shaheen Durrani-Kolarik, Caylie A Pool, Ashley Gray, Kathryn Marie Heyob, Mary J Cismowski, Gloria S Pryhuber, L James Lee, Zhaogang Yang, Trent E Tipple, Lynette K Rogers
Even with advances in the care of preterm infants, chronic lung disease or bronchopulmonary dysplasia (BPD) continues to be a significant pulmonary complication. Among those diagnosed with BPD, a subset of infants develop severe BPD with disproportionate pulmonary morbidities. In addition to decreased alveolarization, these infants develop obstructive and/or restrictive lung function due to increases in or dysregulation of extracellular matrix proteins. Analyses of plasma obtained from preterm infants during the first week of life indicate that circulating miR-29b is suppressed in infants that subsequently develop BPD, and that decreased circulating miR-29b is inversely correlated with BPD severity...
May 4, 2017: American Journal of Physiology. Lung Cellular and Molecular Physiology
https://www.readbyqxmd.com/read/28458035/vitamin-a-and-retinoic-acid-combination-attenuates-neonatal-hyperoxia-induced-neurobehavioral-impairment-in-adult-mice
#17
Manimaran Ramani, Thomas van Groen, Inga Kadish, Namasivayam Ambalavanan, Lori L McMahon
Preterm infants exposed to supra-physiological levels of oxygen often have poor executive and memory function associated with reductions in hippocampal volume later in life. We recently showed that adult mice exposed to neonatal hyperoxia have deficits in spatial navigation and increased exploratory behavior associated with hippocampal shrinkage. Retinoids attenuate hyperoxia-induced lung injury in animal models and reduce neonatal chronic lung disease in preterm infants. We hypothesized that retinoid (combination of Vitamin A+Retinoic Acid [VARA]) administration in mice during neonatal hyperoxia would attenuate oxygen-induced cognitive impairment when assessed in adult life...
April 27, 2017: Neurobiology of Learning and Memory
https://www.readbyqxmd.com/read/28457522/lung-transplantation-for-flna-associated-progressive-lung-disease
#18
Lindsay C Burrage, R Paul Guillerman, Shailendra Das, Shipra Singh, Deborah A Schady, Shaine A Morris, Magdalena Walkiewicz, Marc G Schecter, Jeffrey S Heinle, Timothy E Lotze, Seema R Lalani, George B Mallory
OBJECTIVE: To describe a series of patients with pathogenic variants in FLNA and progressive lung disease necessitating lung transplantation. STUDY DESIGN: We conducted a retrospective chart review of 6 female infants with heterozygous presumed loss-of-function pathogenic variants in FLNA whose initial presentation was early and progressive respiratory failure. RESULTS: Each patient received lung transplantation at an average age of 11 months (range, 5-15 months)...
April 28, 2017: Journal of Pediatrics
https://www.readbyqxmd.com/read/28453882/the-validity-of-the-observed-to-expected-lung-to-head-ratio-in-congenital-diaphragmatic-hernia-in-an-era-of-standardized-neonatal-treatment-a-multicenter-study
#19
Kitty G Snoek, Nina C J Peters, Joost van Rosmalen, Arno F J van Heijst, Alex J Eggink, Esther Sikkel, René M Wijnen, Hanneke IJsselstijn, Titia E Cohen-Overbeek, Dick Tibboel
OBJECTIVE: To assess the predictive value of observed-to-expected lung-to-head ratio (O/E LHR) for survival and chronic lung disease (CLD) in survivors of left-sided congenital diaphragmatic hernia (CDH) in an era of standardized neonatal treatment, and to evaluate the predictive value of the O/E LHR trajectory for survival. METHODS: This retrospective cohort study was performed in two high-volume CDH centers in the Netherlands in prenatally detected, isolated left-sided CDH patients born between 2008 and 2014...
April 28, 2017: Prenatal Diagnosis
https://www.readbyqxmd.com/read/28438602/hyperoxia-exposure-disrupts-adrenomedullin-signaling-in-newborn-mice-implications-for-lung-development-in-premature-infants
#20
Renuka T Menon, Amrit Kumar Shrestha, Binoy Shivanna
Hyperoxia contributes to the development of bronchopulmonary dysplasia (BPD), a chronic lung disease of human infants that is characterized by disrupted lung angiogenesis. Adrenomedullin (AM) is a multifunctional peptide with angiogenic and vasoprotective properties. AM signals via its cognate receptors, calcitonin receptor-like receptor (Calcrl) and receptor activity-modifying protein 2 (RAMP2). Whether hyperoxia affects the pulmonary AM signaling pathway in neonatal mice and whether AM promotes lung angiogenesis in human infants are unknown...
June 3, 2017: Biochemical and Biophysical Research Communications
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