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Surfactant neonate

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https://www.readbyqxmd.com/read/28221717/cerebral-and-lung-effects-of-a-new-generation-synthetic-surfactant-with-sp-b-and-sp-c-analogs-in-preterm-lambs
#1
Carmen Rey-Santano, Victoria E Mielgo, Xabier Murgia, Miguel Angel Gomez-Solaetxe, Fabrizio Salomone, Federico Bianco, Nicola Pelizzi, Begoña Loureiro, Jon López de Heredia Y Goya
BACKGROUND: Though natural surfactants (SF) are clinically superior to protein-free synthetic preparations, CHF-5633, a synthetic SF containing SP-B and SP-C analog peptides is a potential alternative to natural SF for treating neonatal respiratory distress syndrome (RDS). Nevertheless, information is lacking regarding the safety of this new treatment for the neonatal brain. We sought to compare the cerebral and pulmonary effects of this new synthetic surfactant (CHF5633) with those of natural porcine surfactant (Cursosurf) in premature lambs with RDS...
February 21, 2017: Pediatric Pulmonology
https://www.readbyqxmd.com/read/28203337/comparison-of-the-efficacy-of-three-natural-surfactants-curosurf-survanta-and-alveofact-in-the-treatment-of-respiratory-distress-syndrome-among-neonates-a-randomized-controlled-trial
#2
Mirhadi Mussavi, Keyvan Mirnia, Khairollah Asadollahi
BACKGROUND: Although several different types of natural surfactants are available, including Alveofact, Curosurf, and Survanta, the preferred type and the magnitude of their effects are unknown. OBJECTIVES: This study was designed to compare the effects of these three surfactants on the gas exchange and clinical outcomes of neonates with respiratory distress syndrome (RDS). METHODS: This triple-blind randomized clinical trial studied all preterm neonates ≤ 37 weeks with RDS who were admitted to the neonatal intensive care unit (NICU) of Taleghani hospital (Tabriz, Iran) between 2012 and 2013...
October 2016: Iranian Journal of Pediatrics
https://www.readbyqxmd.com/read/28203330/risk-factors-for-health-care-associated-bloodstream-infections-in-a-neonatal-intensive-care-unit
#3
Sabahattin Ertugrul, Fesih Aktar, Ilyas Yolbas, Ahmet Yilmaz, Bilal Elbey, Ahmet Yildirim, Kamil Yilmaz, Recep Tekin
BACKGROUND: Healthcare-associated bloodstream infections (HCA-BSI) are a major cause of morbidity and mortality in neonatal intensive care units (NICUs). OBJECTIVES: We aimed to determine the causative organisms and risk factors of HCA-BSIs in NICUs. METHODS: This study was performed between January 2011 and December 2014 in the neonatal intensive care unit of Dicle university, Turkey. The study consisted of 126 patients (infected group) with positive blood culture and 126 randomly selected patients (uninfected control group) with negative blood culture after four days of hospitalization...
October 2016: Iranian Journal of Pediatrics
https://www.readbyqxmd.com/read/28203255/the-influencing-factors-on-procalcitonin-values-in-newborns-with-noninfectious-conditions-during-the-first-week-of-life
#4
Jueseong Lee, Yong Hyeon Bang, Eun Hee Lee, Byung Min Choi, Young Sook Hong
PURPOSE: Although procalcitonin (PCT) level is useful for the diagnosis of neonatal sepsis, PCT reliability is inconsistent because of the varied conditions encountered in neonatal intensive care units. This study aimed to investigate PCT levels and factors influencing increased PCT levelin newborns without bacterial infection during the first week of life. METHODS: In newborns hospitalized between March 2013 and October 2015, PCT levels were measured on the first, third, and seventh days after birth...
January 2017: Korean Journal of Pediatrics
https://www.readbyqxmd.com/read/28202108/-clinical-efficacy-of-pulmonary-surfactant-combined-with-budesonide-for-preventing-bronchopulmonary-dysplasia-in-very-low-birth-weight-infants
#5
Jing Pan, Ming-Wu Chen, Wen-Quan Ni, Tao Fang, Hui Zhang, Ye Chen, Jia-Hua Pan
OBJECTIVE: To explore the clinical efficacy of intratracheal instillation of pulmonary surfactant (PS) combined with budesonide for preventing bronchopulmonary dysplasia (BPD) in very low birth weight (VLBW) infants. METHODS: Thirty VLBW infants with gestational age <32 weeks who developed neonatal respiratory distress syndrome (NRDS) (grade III-IV) suffering from intrauterine infection were randomly assigned into a PS + budesonide group and a PS alone group...
February 2017: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
https://www.readbyqxmd.com/read/28194395/gender-differences-in-respiratory-morbidity-and-mortality-of-preterm-neonates
#6
REVIEW
Courtney Denise Townsel, Sawyer F Emmer, Winston A Campbell, Naveed Hussain
For the past century, researchers have underscored the "disadvantage" observed in respiratory morbidity and mortality of male newborns. In this contemporary review, we examine gender differences in preterm infant respiratory morbidity and mortality specifically appraising differences in the very low birth weight (VLBW) population as well as the late preterm (LPT) population. In the era of postnatal surfactant and antenatal corticosteroids, the gender gap in neonatal outcomes has not narrowed. Structural, physiologic, and hormonal sex differences may be at the root of this disparity...
2017: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/28170341/the-effects-of-antenatal-glucocorticoid-exposure-on-fetal-and-neonatal-skin-maturation
#7
Deanne August, Yogavijayan Kandasamy
AIMS: The use of antenatal glucocorticoids in women with preterm labor has dramatically improved outcomes for premature infants. The most commonly used antenatal glucocorticoids are betamethasone and dexamethasone. Glucocorticoids accelerate fetal lung growth by several mechanisms, including the maturation of type II pneumocytes enabling surfactant production. Furthermore, the lipids in the lung share similarity with those in the skin. Therefore, antenatal administration of glucocorticoids may have effects on the structure and function of the developing epidermal barrier in fetuses and neonates...
February 7, 2017: Journal of Perinatal Medicine
https://www.readbyqxmd.com/read/28151493/surfactant-reduced-the-mortality-of-neonates-with-birth-weight-%C3%A2-1500%C3%A2-g-and-hypoxemic-respiratory-failure-a-survey-from-an-emerging-nicu-network
#8
H Wang, X Gao, C Liu, C Yan, X Lin, Y Dong, B Sun
OBJECTIVE: We evaluated the efficacy of surfactant therapy and assisted ventilation on morbidity and mortality of neonates with birth weight (BW) ⩾1500 g and hypoxemic respiratory failure (HRF). STUDY DESIGN: We retrospectively analyzed 5650 patients with BW ⩾1500 g for incidence, management and outcome of HRF, defined as acute hypoxemia requiring mechanical ventilation and/or nasal continuous positive airway pressure ⩾24 h. The patients were allocated into groups of moderate preterm (1735, 30...
February 2, 2017: Journal of Perinatology: Official Journal of the California Perinatal Association
https://www.readbyqxmd.com/read/28146161/providers-compliance-with-practice-guidelines-of-prenatal-and-neonatal-care-to-reduce-neonatal-mortality-2004-versus-2012
#9
Renata Jaccottet Freitas, Tiago Neuenfeld Munhoz, Iná da Silva Dos Santos, Flávio Sérgio Chiuchetta, Fernando Barros, Aline Coletto, Alicia Matijasevich
Objective: To evaluate providers' compliance with practice guidelines of prenatal and neonatal care in order to reduce neonatal mortality. Methods: Uncontrolled before-and-after study designed to evaluate changes that occurred between 2004 and 2012, after the interventions proposed by the Municipality Committee of Research on Child Deaths, Foetal and Maternal Death (COMAI) on the frequency of the process indicators for perinatal assistance improvement. A total of 254 patients were studied in 2004 and 259 patients in 2012...
October 2016: Revista Brasileira de Epidemiologia, Brazilian Journal of Epidemiology
https://www.readbyqxmd.com/read/28145652/amniotic-fluid-infection-cytokine-levels-and-mortality-and-adverse-pulmonary-intestinal-and-neurologic-outcomes-in-infants-at-32-weeks-gestation-or-less
#10
Eun Young Jung, Kyo Hoon Park, Bo Ryoung Han, Soo Hyun Cho, Ha Na Yoo, Juyoung Lee
To what extent the risks of neonatal morbidities are directly related to premature birth or to biological mechanisms of preterm birth remains uncertain. We aimed to examine the effect of exposure to amniotic fluid (AF) infection and elevated cytokine levels on the mortality and pulmonary, intestinal, and neurologic outcomes of preterm infants, and whether these associations persist after adjustment for gestational age at birth. This retrospective cohort study included 152 premature singleton infants who were born at ≤ 32 weeks...
March 2017: Journal of Korean Medical Science
https://www.readbyqxmd.com/read/28142154/a-quality-improvement-initiative-to-reduce-the-need-for-mechanical-ventilation-in-extremely-low-gestational-age-neonates
#11
Ludivine Templin, Camille Grosse, Virginie Andres, Clotilde Des Robert, Laurence Fayol, Umberto Simeoni, Farid Boubred
Objective Limiting early intubation and mechanical ventilation in extremely low gestational age neonates (ELGAN) may decrease neonatal morbidity and mortality. The aim of our study was to demonstrate the feasibility, efficacy, and tolerability of a delivery room respiratory management protocol, including delayed umbilical cord clamping (DUCC) in combination with optimized nCPAP with high PEEP levels and less invasive surfactant administration (LISA). Study Design This cohort quality improvement study analyzed the respiratory and neonatal outcomes of all consecutive infants born between 24(+0) and 26(+6) weeks' gestation before (period 1, n = 40) and after (period 2, n = 52) implementing the new protocol...
January 31, 2017: American Journal of Perinatology
https://www.readbyqxmd.com/read/28130967/a-randomized-controlled-trial-of-the-laryngeal-mask-airway-for-surfactant-administration-in-neonates
#12
Rosilu F Barbosa, Ana C Simões E Silva, Yerkes P Silva
OBJECTIVE: To compare the short-term efficacy of surfactant administration by laryngeal mask airway versus endotracheal tube. METHODS: Preterm infants (28-35 weeks of gestational age), weighing 1kg or more, with respiratory distress syndrome, requiring nasal continuous positive airway pressure, with increased respiratory effort and/or fraction of inspired oxygen (FiO2)≥0.40 to maintain oxygen saturation 91-95%, were randomized to receive surfactant by LMA following nCPAP or by ETT following mechanical ventilation (MV)...
January 25, 2017: Jornal de Pediatria
https://www.readbyqxmd.com/read/28121046/maternal-hypertensive-disorders-are-associated-with-increased-use-of-respiratory-support-but-not-chronic-lung-disease-or-poorer-neurodevelopmental-outcomes-in-preterm-neonates-at-29%C3%A2-weeks-of-gestation
#13
Mara Matić, Violet Inati, Mohamed E Abdel-Latif, Alison L Kent
AIM: To assess whether maternal hypertensive disorders in pregnancies result in higher respiratory requirements, risk of chronic lung disease (CLD) and poorer neurodevelopmental outcome in <29-week premature neonates. METHODS: This is a multicentre, retrospective cohort study, within a geographically defined area in Australia, served by a network of 10 neonatal intensive care units (NICUs), consisting of infants <29 weeks of gestational age who were admitted to NICUs between 1998 and 2004...
January 25, 2017: Journal of Paediatrics and Child Health
https://www.readbyqxmd.com/read/28100323/-high-risk-factors-and-clinical-characteristics-of-massive-pulmonary-hemorrhage-in-infants-with-extremely-low-birth-weight
#14
Dan Chen, Meng Wang, Xin Wang, Xue-Wei Ding, Rui-Hua Ba, Jian Mao
OBJECTIVE: To explore the high-risk factors and analyze the clinical characteristics of massive pulmonary hemorrhage (MPH) in infants with extremely low birth weight (ELBW). METHODS: Two hundred and eleven ELBW infants were included in this study. Thirty-five ELBW infants who were diagnosed with MPH were labelled as the MPH group, and 176 ELBW infants without pulmonary hemorrhage were labelled as the control group. The differences in clinical characteristics, mortality rate, and incidence of complications between the two groups were analysed...
January 2017: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
https://www.readbyqxmd.com/read/28099980/challenges-faced-in-translating-the-benefits-of-surfactant-replacement-therapy-to-a-resource-limited-setting
#15
N Hamilton, Helen Trotman
Aim To determine the challenges, if any, in translating the benefits of surfactant replacement therapy (SRT) to a resource-limited setting. Method This was a retrospective descriptive study comparing the outcome of 75 cases who received surfactant and 69 controls who did not at the University Hospital of the West Indies during the period 2001 to 2011. Descriptive analyses were performed. Statistical significance was taken at the level p < 0.05. Results Only 13% of neonates with respiratory distress syndrome received surfactant therapy...
January 18, 2017: American Journal of Perinatology
https://www.readbyqxmd.com/read/28073106/surfactant-need-by-gestation-for-very-preterm-babies-initiated-on-early-nasal-cpap-a-danish-observational-multicentre-study-of-6-628-infants-born-2000-2013
#16
Rikke Wiingreen, Gorm Greisen, Finn Ebbesen, Jesper Padkær Petersen, Gitte Zachariassen, Tine Brink Henriksen, Bo Mølholm Hansen
BACKGROUND: In recent years, early nasal continuous positive airway pressure (nCPAP) as respiratory support for preterm infants is being advocated as an alternative to prophylactic surfactant and treatment with mechanical ventilation. A number of infants treated with early nCPAP do not need treatment with surfactant, but few studies provide data on this. Since the 1990s, the first approach to respiratory support to preterm infants in Denmark has been early nCPAP combined with surfactant administration by the INSURE method by which the infant is intubated and surfactant administration is followed by rapid extubation to nCPAP if possible...
January 11, 2017: Neonatology
https://www.readbyqxmd.com/read/28050683/effect-of-surfactant-therapy-using-orogastric-tube-for-tracheal-catheterization-in-preterm-newborns-with-respiratory-distress
#17
Rampal Singh Tomar, Ranjit Ghuliani, Dinesh Yadav
OBJECTIVE: To assess the outcome of a modified method of Minimally Invasive Surfactant Therapy (MIST) therapy where an orogastric tube was used for tracheal catherization to deliver surfactant in preterm newborns less than 34 wk of gestation with respiratory distress syndrome (RDS). METHODS: A single centre, prospective observational study was conducted to enroll eligible inborn preterm neonates with gestation age more than 24 wk but less than 34 wk and suffering from RDS to receive surfactant using MIST...
January 3, 2017: Indian Journal of Pediatrics
https://www.readbyqxmd.com/read/28029185/case-control-study-demonstrates-that-surfactant-without-intubation-delayed-mechanical-ventilation-in-preterm-infants
#18
Sigrid Dannheim Vik, Torstein Vik, Stian Lydersen, Ragnhild Støen
AIM: This Norwegian study explored whether administering surfactant without intubation (SWI) delayed the need for early mechanical ventilation and reduced respiratory and nonrespiratory complications in infants born before 32 weeks of gestational age. METHODS: We compared 262 infants admitted to a level-three neonatal intensive care unit: 134 born before the introduction of SWI on 1 December 2011 were in the control group and 128 infants born after this date were in the study group...
December 28, 2016: Acta Paediatrica
https://www.readbyqxmd.com/read/28025703/the-biology-of-the-abca3-lipid-transporter-in-lung-health-and-disease
#19
REVIEW
Michael F Beers, Surafel Mulugeta
The lipid transporter, ATP-binding cassette class A3 (ABCA3), is a highly conserved multi-membrane-spanning protein that plays a critical role in the regulation of pulmonary surfactant homeostasis. Mutations in ABCA3 have been increasingly recognized as one of the causes of inherited pulmonary diseases. These monogenic disorders produce familial lung abnormalities with pathological presentations ranging from neonatal surfactant-deficiency-induced respiratory failure to childhood or adult diffuse parenchymal lung diseases for which specific treatment modalities remain limited...
December 26, 2016: Cell and Tissue Research
https://www.readbyqxmd.com/read/28011976/genetic-polymorphisms-of-sp-a-sp-b-and-sp-d-and-risk-of-respiratory-distress-syndrome-in-preterm-neonates
#20
Hong-Yu Chang, Fang Li, Feng-Sheng Li, Cheng-Zhong Zheng, Yan-Zhe Lei, Jing Wang
BACKGROUND We examined selected polymorphisms in 3 pulmonary surfactant-associated proteins (SP) for their influence on serum SP levels and risk of respiratory distress syndrome (RDS) in preterm neonates. MATERIAL AND METHODS Premature infants from a Han population were enrolled, including 100 premature infants with RDS (case group) and 120 premature infants without RDS (control group). SNP genotyping for SP-A (+186A/G and +655C/T), SP-B (-18A/C and 1580C/T), and SP-D (Met11ThrT/C and Ala160ThrG/A) used polymerase chain reaction-restriction fragment length polymorphism...
December 24, 2016: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
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