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Respiratory distress syndrom and preterm

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https://www.readbyqxmd.com/read/28538237/update-on-postnatal-steroids
#1
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/28538236/surfactant-for-respiratory-distress-syndrome-new-ideas-on-a-familiar-drug-with-innovative-applications
#2
H J Niemarkt, M C Hütten, Boris W Kramer
In the last 4 decades, advances in neonatology have led to a significant increase in the survival of preterm infants. One of the biggest advances was the introduction of surfactant replacement therapy for the treatment of respiratory distress syndrome. This is the main cause of respiratory insufficiency in preterm infants and is one of the major causes of perinatal morbidity and mortality. Surfactant replacement therapy is already a well-investigated and established therapy in neonatology. However, surfactant replacement therapy has progressed and been refined over recent decades, especially with the increasing care for preterm infants born before 26 weeks' gestational age and the recent clinical focus on avoiding mechanical ventilation...
2017: Neonatology
https://www.readbyqxmd.com/read/28531215/association-of-cord-blood-chemokines-and-other-biomarkers-with-neonatal-complications-following-intrauterine-inflammation
#3
Yoshikazu Otsubo, Kunio Hashimoto, Taro Kanbe, Muneichiro Sumi, Hiroyuki Moriuchi
BACKGROUND: Intrauterine inflammation has been associated with preterm birth and neonatal complications. Few reports have comprehensively investigated multiple cytokine profiles in cord blood and precisely identified surrogate markers for intrauterine inflammation. AIM: To identify the cytokines and surrogate markers associated with intrauterine inflammation and subsequent neonatal complications. PATIENTS AND METHODS: We analyzed cord blood samples from 135 patients admitted to the neonatal intensive care unit at Sasebo City General Hospital...
2017: PloS One
https://www.readbyqxmd.com/read/28520902/early-acquisition-of-pneumocystis-jirovecii-colonization-and-potential-association-with-respiratory-distress-syndrome-in-preterm-newborn-infants
#4
Pilar Rojas, Vicente Friaza, Elisa Garcia, Carmen de la Horra, Sergio L Vargas, Enrique J Calderón, Antonio Pavón
Background: Pneumocystis pneumonia is a well-recognized lung disease of premature and malnourished babies. Even though, serologic studies have shown that children are exposed to Pneumocystis jirovecii early in life the epidemiology of human P. jirovecii infection and the host-microorganism relationship in infancy remain poorly understood. The aim of the present study was to investigate the prevalence of P. jirovecii colonization in preterm infants and its possible association with medical complications...
May 17, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28514958/neonatal-respiratory-morbidity-following-exposure-to-chorioamnionitis
#5
Amy Metcalfe, Sarka Lisonkova, Yasser Sabr, Amelie Stritzke, K S Joseph
BACKGROUND: There are conflicting results in the literature on the impact of chorioamnionitis on neonatal respiratory morbidities. However, most studies are based on small clinical samples and fail to account for the competing risk of perinatal death. This study aimed to determine whether chorioamnionitis affects the incidence of respiratory distress syndrome (RDS) and bronchopulmonary dysplasia (BPD) after accounting for the increased risk of death. METHODS: Retrospective cohort study using linked birth and infant death registration and hospitalization records from Washington State between 2002 and 2011 (n = 763,671 singleton infants and n = 56,537 singleton preterm infants)...
May 17, 2017: BMC Pediatrics
https://www.readbyqxmd.com/read/28501874/screening-tool-for-early-postnatal-prediction-of-retinopathy-of-prematurity-in-preterm-newborns-step-rop
#6
Caroline A Ricard, Christiane E L Dammann, Olaf Dammann
BACKGROUND: Retinopathy of prematurity (ROP) is a disorder of the preterm newborn characterized by neurovascular disruption in the immature retina that may cause visual impairment and blindness. OBJECTIVE: To develop a clinical screening tool for early postnatal prediction of ROP in preterm newborns based on risk information available within the first 48 h of postnatal life. METHODS: Using data submitted to the Vermont Oxford Network (VON) between 1995 and 2015, we created logistic regression models based on infants born <28 completed weeks gestational age...
May 13, 2017: Neonatology
https://www.readbyqxmd.com/read/28492159/iloprost-instillation-in-two-neonates-with-pulmonary-hypertension
#7
Sezin Unal, Selma Aktas, Meltem Aksu, Ibrahim M Hirfanoglu, Yildiz Atalay, Canan Turkyilmaz
Pulmonary hypertension may coexist with certain diseases in neonates. Iloprost inhalation is one of the treatments which cause selective pulmonary vasodilatation. Inhalation is not an easy way of drug administration in mechanically ventilated infants; as some exhibit desaturations during inhalation. Moreover, inhalation of drug requires cessation of mechanical ventilation, if patient is on high frequency oscillatory ventilation. We presented two patients with pulmonary hypertension; term baby with congenital diaphragmatic hernia and preterm baby with respiratory distress syndrome; who had iloprost instillation during mechanical ventilation treatment...
April 2017: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
https://www.readbyqxmd.com/read/28487624/clara-cell-protein-expression-in-mechanically-ventilated-term-and-preterm-infants-with-respiratory-distress-syndrome-and-at-risk-of-bronchopulmonary-dysplasia-a-pilot-study
#8
José Guzmán-Bárcenas, Antonio Calderón-Moore, Héctor Baptista-González, Claudine Irles
The aim of this pilot study was to determine Clara cell protein (CC16) concentration in bronchoalveolar lavages (BAL) fluid from full-term and preterm (<37 weeks' gestational age) neonates requiring respiratory support, having symptoms of neonatal respiratory distress syndrome, and at risk of bronchopulmonary dysplasia (BPD). We hypothesized that CC16 may be predictive of BPD diagnosis regardless of gestational age. BAL fluid CC16 was measured by ELISA at birth and at day 7 of life. Both groups that developed BPD showed significantly decreased BAL fluid CC16 levels compared to those infants that did not develop the disease...
2017: Canadian Respiratory Journal: Journal of the Canadian Thoracic Society
https://www.readbyqxmd.com/read/28486361/universal-cervical-length-screening-and-antenatal-corticosteroid-timing
#9
Nicole Sahasrabudhe, Catherine Igel, Ghislaine C Echevarria, Peʼer Dar, Diana Wolfe, Peter S Bernstein, Robert Angert, Ashlesha Dayal, Patience Gallagher, Mara Rosner
OBJECTIVE: To evaluate the relationship between universal transvaginal screening for short cervical length in the second trimester and the timing of antenatal corticosteroids. METHODS: We performed a retrospective cohort study of patients with nonanomalous singleton gestations and spontaneous preterm birth between 24 and 34 weeks of gestation after the initiation of a universal transvaginal cervical length screening program between October 2012 and August 2015. Our primary outcome was antenatal corticosteroid administration to a delivery interval of fewer than 7 days...
June 2017: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28483192/no-association-between-influenza-vaccination-during-pregnancy-and-adverse-birth-outcomes
#10
Ousseny Zerbo, Sharareh Modaressi, Berwick Chan, Kristin Goddard, Ned Lewis, Karin Bok, Bruce Fireman, Nicola P Klein, Roger Baxter
BACKGROUND: Pregnant women are recommended to receive inactivated influenza vaccination anytime during pregnancy. Studies have investigated the impact of influenza vaccination during pregnancy on birth outcomes and results on preterm birth have been inconsistent. METHODS: We conducted a retrospective cohort study among children born at a gestational age≥24weeks from January 1, 2010 to December 31, 2015 at Kaiser Permanente Northern California facilities (KPNC)...
May 31, 2017: Vaccine
https://www.readbyqxmd.com/read/28465315/a-first-in-human-clinical-study-of-a-new-sp-b-and-sp-c-enriched-synthetic-surfactant-chf5633-in-preterm-babies-with-respiratory-distress-syndrome
#11
David G Sweet, Mark A Turner, Zbyněk Straňák, Richard Plavka, Paul Clarke, Ben J Stenson, Dominique Singer, Rangmar Goelz, Laura Fabbri, Guido Varoli, Annalisa Piccinno, Debora Santoro, Christian P Speer
OBJECTIVE: CHF5633 (Chiesi Farmaceutici S.p.A., Parma, Italy) is the first fully synthetic surfactant enriched by peptide analogues of two human surfactant proteins. We planned to assess safety and tolerability of CHF5633 and explore preliminary efficacy. DESIGN: Multicentre cohort study. PATIENTS: Forty infants from 27(+0) to 33(+6) weeks gestation with respiratory distress syndrome requiring fraction of inspired oxygen (FiO2) ≥0.35 were treated with a single dose of CHF5633 within 48 hours after birth...
May 2, 2017: Archives of Disease in Childhood. Fetal and Neonatal Edition
https://www.readbyqxmd.com/read/28432664/human-perinatal-immunity-in-physiological-conditions-and-during-infection
#12
REVIEW
Gijs T J van Well, Leonie A Daalderop, Tim Wolfs, Boris W Kramer
The intrauterine environment was long considered sterile. However, several infectious threats are already present during fetal life. This review focuses on the postnatal immunological consequences of prenatal exposure to microorganisms and related inflammatory stimuli. Both the innate and adaptive immune systems of the fetus and neonate are immature, which makes them highly susceptible to infections. There is good evidence that prenatal infections are a primary cause of preterm births. Additionally, the association between antenatal inflammation and adverse neonatal outcomes has been well established...
December 2017: Molecular and Cellular Pediatrics
https://www.readbyqxmd.com/read/28423971/intrauterine-infection-immune-system-and-premature-birth
#13
Fernanda Rodrigues Helmo, Eduardo Arthur Rodovalho Alves, Renata Alves de Andrade Moreira, Viviane Oliveira Severino, Laura Penna Rocha, Maria Luíza Gonçalves Dos Reis Monteiro, Marlene Antônia Dos Reis, Renata Margarida Etchebehere, Juliana Reis Machado, Rosana Rosa Miranda Corrêa
Preterm birth accounts for nearly one million deaths among children under five years of age, and although its etiopathogenesis is not fully elucidated, ascending intrauterine infection and fetal inflammatory response seem to be the main triggers. The intense inflammatory response mediated by IL-1β, TNF-α, PAF, IFN-γ and IL-6, PGE2 and MMP-1 and MMP-9 causes fetal membrane damage and rupture, increased uterine contractions and biochemical and structural changes in the cervix. Furthermore, preterm neonates have deficient innate and adaptive immune responses characterized by reduced levels of IgG, opsonization and phagocytosis, as well as increased activation of Th1 cells in relation to Th2 cells...
April 20, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28410842/evidence-of-impaired-microvascular-dilatation-in-preterms-with-acute-respiratory-distress-syndrome
#14
Stefania Troiani, Andrea Cardona, Maddalena Milioni, Debora Monacelli, Alberto Verrotti, Marta Gehring, Giuseppe Ambrosio
BACKGROUND: Evaluating microcirculatory function in severely ill neonates is a relevant, unmet clinical need. Inappropriate peripheral microvascular vasodilatation is thought to contribute to cardiovascular alterations in preterm infants with acute respiratory distress syndrome (ARDS). We directly evaluated microcirculatory function in preterms with ARDS. METHODS: Peripheral microvascular function was assessed in 50 newborns, divided in three groups: preterms with ARDS; at-term newborns with mild-moderate congenital cardiac disease (Cardio group); healthy controls...
April 6, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28407825/-effect-of-pregnancy-induced-hypertension-syndrome-on-complications-in-very-low-birth-weight-preterm-infants
#15
Song-Zhou Xu, Xiao-Yan Hu, Fang Zhao, Yu-Xin Zhou, Shuang-Chuan Zhang
OBJECTIVE: To study the effect of pregnancy-induced hypertension syndrome (PIH) on complications in very low birth weight (VLBW) preterm infants. METHODS: The VLBW preterm infants were enrolled as research subjects, and according to the presence or absence of PIH in their mothers, they were divided into PIH group and non- PIH group. The incidence of major complications and length of hospital stay were compared between the two groups. RESULTS: There were no significant differences between the two groups in gestational age, birth weight, sex, incidence rate of maternal diabetes, and use of antepartum hormone...
April 2017: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
https://www.readbyqxmd.com/read/28375031/is-the-c242t-polymorphism-of-the-cyba-gene-linked-with-oxidative-stress-associated-complications-of-prematurity
#16
Maurice J Huizing, Giacomo Cavallaro, Rob M Moonen, Gema E González-Luis, Fabio Mosca, Máximo Vento, Eduardo Villamor
The C242T polymorphism of CYBA (cytochrome B-245 alpha chain), the gene encoding the p22phox subunit of nicotinamide adenine dinucleotide phosphate (NADPH) oxidase, has been linked to several conditions in which oxidative stress plays a pathogenic role. We investigated in a cohort of 451 preterm infants [gestational age (GA) ≤30 weeks] the association of the polymorphism with the risk of developing neonatal respiratory distress syndrome (RDS), retinopathy of prematurity (ROP), bronchopulmonary dysplasia (BPD), necrotizing enterocolitis, patent ductus arteriosus, or intraventricular hemorrhage...
May 8, 2017: Antioxidants & Redox Signaling
https://www.readbyqxmd.com/read/28367650/effects-of-surfactant-treatment-in-late-preterm-infants-with-respiratory-distress-syndrome
#17
Carlo Dani, Fabio Mosca, Giovanni Vento, Paolo Tagliabue, Simonetta Picone, Gianluca Lista, Vassilios Fanos, Simone Pratesi, Luca Boni
OBJECTIVE: To evaluate surfactant effectiveness for the treatment of respiratory distress syndrome (RDS) in late preterm infants. METHODS: We performed a retrospective cohort study of infants born between 34(+0) and 36(+6) weeks of gestation admitted for respiratory failure in seven perinatal centers from January 2010 to December 2014. We evaluated changes of FiO2, PaO2, and a/APO2 in surfactant-treated patients, and the need and duration of MV, the duration of non-invasive respiratory support, stay in NICU and in hospital in surfactant-treated and untreated late preterm infants with RDS alone...
April 2, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28352342/different-ventilation-modes-combined-with-ambroxol-in-the-treatment-of-respiratory-distress-syndrome-in-premature-infants
#18
Bin Zhou, Jing-Fang Zhai, Jie-Bin Wu, Bao Jin, Yan-Yan Zhang
The aim of the present study was to compare the effectiveness of different modes of mechanical ventilation in combination with secretolytic therapy with ambroxol in premature infants with respiratory distress syndrome. Seventy-three premature infants with hyaline membrane disease (HMD) (stage III-IV), also known as respiratory distress syndrome, who were supported by mechanical ventilation in the neonatal intensive care unit (NICU) of Xuzhou Central Hospital, were involved in the present study, between January 2013 and February 2015...
February 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28348141/venous-lactate-ph-and-partial-pressure-of-carbon-dioxide-levels-as-prognostic-indicators-in-110-premature-calves-with-respiratory-distress-syndrome
#19
R Yildiz, U Aydogdu, H Guzelbektes, A Coskun, I Sen
Hyperlactatemia, hypercapnia, low pH and low oxygen saturation (SatO2) are commonly observed in premature calves. These clinical indicators are associated with increased mortality in preterm human newborns with respiratory distress syndrome (RDS). The aim of this study was to investigate the prognostic importance of venous pH, partial pressure of carbon dioxide (pCO2) and lactate level and which parameters are related with mortality in premature calves with RDS. All premature calves (52 male/58 female) were admitted to clinic within 12-24 hours after birth and blood samples were also taken into heparinised plastic syringes from the jugular vein within 30 minutes following admission...
March 27, 2017: Veterinary Record
https://www.readbyqxmd.com/read/28342715/prediction-of-neonatal-respiratory-morbidity-by-quantitative-ultrasound-lung-texture-analysis-a-multicenter-study
#20
Montse Palacio, Elisenda Bonet-Carne, Teresa Cobo, Alvaro Perez-Moreno, Joan Sabrià, Jute Richter, Marian Kacerovsky, Bo Jacobsson, Raúl A García-Posada, Fernando Bugatto, Ramon Santisteve, Àngels Vives, Mauro Parra-Cordero, Edgar Hernandez-Andrade, José Luis Bartha, Pilar Carretero-Lucena, Kai Lit Tan, Rogelio Cruz-Martínez, Minke Burke, Suseela Vavilala, Igor Iruretagoyena, Juan Luis Delgado, Mauro Schenone, Josep Vilanova, Francesc Botet, George S H Yeo, Jon Hyett, Jan Deprest, Roberto Romero, Eduard Gratacos
BACKGROUND: Prediction of neonatal respiratory morbidity may be useful to plan delivery in complicated pregnancies. The limited predictive performance of the current diagnostic tests together with the risks of an invasive procedure limits the use of fetal lung maturity assessment. OBJECTIVE: The objective of the study was to evaluate the performance of quantitative ultrasound texture analysis of the fetal lung (quantusFLM) to predict neonatal respiratory morbidity in preterm and early-term (<39...
March 23, 2017: American Journal of Obstetrics and Gynecology
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