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Meconium aspiration syndrom

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https://www.readbyqxmd.com/read/29219011/meconium-aspiration-syndrome-risk-factors-and-predictors-of-severity
#1
Cláudia Patrícia Lourenço Oliveira, Filipa Flôr-de-Lima, Gustavo Marcondes Duarte Rocha, Ana Paula Machado, Maria Hercília Ferreira Guimarães Pereira Areias
PURPOSE: To identify risk factors and predictors of severity associated with meconium aspiration syndrome (MAS) in the patients admitted to the neonatal intensive care unit (NICU). MATERIALS AND METHODS: Retrospective study including newborns admitted, between 2005 and 2015, with a diagnosis of MAS. RESULTS: Of the newborns admitted to the NICU, 0.66% were diagnosed with MAS. These had higher prevalence of caesarean delivery (p < .001), nonreassuring or abnormal cardiotocography (CTG) (p < ...
December 8, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/29218325/protection-of-meconium-induced-lung-epithelial-injury-by-protease-inhibitors
#2
C Ota, I Gopallawa, V Ivanov, I H Gewolb, B D Uhal
Earlier work form this laboratory showed that exposure of alveolar epithelial cells (AECs) to meconium caused significant cell detachment and that meconium-induced detachment of cells was prevented by a protease inhibitor cocktail. Therefore, it was hypothesized that protease inhibitors might protect AEC monolayers against meconium-induced collapse of epithelial barrier function both in vitro and in vivo. To investigate this theory in vitro, albumin flux was measured across cultured, confluent monolayers of human type II derived cell line A549 on microporous filter inserts...
2017: Journal of Lung, Pulmonary & Respiratory Research
https://www.readbyqxmd.com/read/29204652/effect-of-nasal-continuous-positive-airway-pressure-on-infants-with-meconium-aspiration-syndrome-a-randomized-clinical-trial
#3
Aakash Pandita, Srinivas Murki, Tejo Pratap Oleti, Baswaraj Tandur, Sai Kiran, Sachin Narkhede, Amrut Prajapati
Importance: Nasal continuous positive airway pressure (NCPAP) as a primary respiratory therapy in meconium aspiration syndrome (MAS) has not been studied extensively. Nasal continuous positive airway pressure, when applied in newborns with MAS, may resolve atelectasis by sufficiently expanding partially obstructed small airways and stabilizing the collapsing terminal airways to enhance oxygen exchange. Objective: To compare NCPAP vs standard care in neonates with moderate to severe respiratory failure due to MAS in reducing the need for invasive ventilation...
December 4, 2017: JAMA Pediatrics
https://www.readbyqxmd.com/read/29136007/perinatal-mortality-associated-with-induction-of-labour-versus-expectant-management-in-nulliparous-women-aged-35-years-or-over-an-english-national-cohort-study
#4
Hannah E Knight, David A Cromwell, Ipek Gurol-Urganci, Katie Harron, Jan H van der Meulen, Gordon C S Smith
BACKGROUND: A recent randomised controlled trial (RCT) demonstrated that induction of labour at 39 weeks of gestational age has no short-term adverse effect on the mother or infant among nulliparous women aged ≥35 years. However, the trial was underpowered to address the effect of routine induction of labour on the risk of perinatal death. We aimed to determine the association between induction of labour at ≥39 weeks and the risk of perinatal mortality among nulliparous women aged ≥35 years...
November 2017: PLoS Medicine
https://www.readbyqxmd.com/read/29103350/cesarean-section-in-absence-of-labour-and-risk-of-respiratory-complications-in-newborns-a-case-control-study
#5
Ugo Indraccolo, Margherita Pace, Giovanna Corona, Marco Bonito, Salvatore Renato Indraccolo, Romolo Di Iorio
AIM: To establish if labour and gestational age have an additive effect on the likelihood of newborn respiratory complications. METHODS: Case-control study on singleton pregnancies, delivered between 34 and 41 weeks. Cases were collected among newborns discharged with diagnoses of respiratory complications, as codified by ICD 9 1997. Subsequently, pneumonias, meconium aspiration syndromes, and pulmonary haemorrhage were excluded. Controls were all other newborns without respiratory complications...
November 5, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/29095429/activation-of-toll-like-receptors-in-meconium-aspiration-syndrome
#6
V Anand, S Basu, S S Yadav, G Narayan, B D Bhatia, A Kumar
OBJECTIVE: Meconium aspiration syndrome (MAS) is a common cause of neonatal morbidity and mortality. Incomplete understanding of the pathogenesis of MAS has hindered the development of specific therapies. We hypothesized that activation of Toll-like receptors (TLRs) might play a role in the pathogenesis of MAS. The present study evaluated the expression of TLR 1, 4, 7, 8 and 9 in neonates with MAS. STUDY DESIGN: The study included 39 neonates with MAS and 17 healthy gestational age-matched neonates as controls...
November 2, 2017: Journal of Perinatology: Official Journal of the California Perinatal Association
https://www.readbyqxmd.com/read/29043436/cervical-dilation-balloon-combined-with-intravenous-drip-of-oxytocin-for-induction-of-term-labor-a-multicenter-clinical-trial
#7
Xueqin Wu, Chunxiang Wang, Yufang Li, Chunmei Ouyang, Jiaying Liao, Weibin Cai, Yilei Zhong, Jianping Zhang, Hui Chen
OBJECTIVE: This study aimed to investigate the effectiveness and safety of a method combining double-balloon catheter for cervical ripening and intravenous drip of oxytocin on the induction of term labor, providing the reference for clinical safety. METHODS: A total of 120 pregnant women with a gestation between 37(+0) and  41(+6) weeks, indications of labor induction, singleton pregnancy with cephalic presentation were enrolled. The patients were divided into the research group receiving cervical dilation balloon combined with intravenous drip of oxytocin and the control group receiving an intravenous drip of oxytocin at a concentration of 0...
October 17, 2017: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/29016584/morbidities-and-outcome-of-a-neonatal-intensive-care-in-western-nepal
#8
Sudhir Adhikari, Kalipatanam Seshagiri Rao, Ganesh B K, Namraj Bahadur
BACKGROUND: Neonatal mortality rate of developing countries is declining over decades. In the recent years increasing number of preterm and high risk neonates have facilities for tertiary care treatment. The aim of the study was to assess the morbidities and outcome of neonatal intensive care admissions. METHODS: It was a retrospective observational study carried out in neonatal intensive care unit of the Manipal Teaching Hospital, Pokhara, Nepal from January 2014 to December 2015...
September 8, 2017: Journal of Nepal Health Research Council
https://www.readbyqxmd.com/read/28937237/selective-inhibition-of-nf-kappab-and-surfactant-therapy-in-experimental-meconium-induced-lung-injury
#9
J Kopincova, P Mikolka, M Kolomaznik, P Kosutova, A Calkovska, D Mokra
Meconium aspiration syndrome (MAS) in newborns is characterized mainly by respiratory failure due to surfactant dysfunction and inflammation. Previous meta-analyses did not prove any effect of exogenous surfactant treatment nor glucocorticoid administration on final outcome of children with MAS despite oxygenation improvement. As we supposed there is the need to intervene in both these fields simultaneously, we evaluated therapeutic effect of combination of exogenous surfactant and selective inhibitor of NF-kappaB (IKK-NBD peptide)...
September 22, 2017: Physiological Research
https://www.readbyqxmd.com/read/28937234/experimental-models-of-acute-lung-injury-in-the-newborns
#10
D Mokra, A Calkovska
Acute lung injury in the preterm newborns can originate from prematurity of the lung and insufficient synthesis of pulmonary surfactant. This situation is known as respiratory distress syndrome (RDS). In the term neonates, the respiratory insufficiency is related to a secondary inactivation of the pulmonary surfactant, for instance, by action of endotoxins in bacterial pneumonia or by effects of aspirated meconium. The use of experimental models of the mentioned situations provides new information on the pathophysiology of these disorders and offers unique possibility to test novel therapeutic approaches in the conditions which are very similar to the clinical syndromes...
September 22, 2017: Physiological Research
https://www.readbyqxmd.com/read/28923474/beyond-the-inhaled-nitric-oxide-in-persistent-pulmonary-hypertension-of-the-newborn
#11
REVIEW
Mei-Yin Lai, Shih-Ming Chu, Satyan Lakshminrusimha, Hung-Chih Lin
Persistent pulmonary hypertension (PPHN) is a consequence of failed pulmonary vascular transition at birth and leads to pulmonary hypertension with shunting of deoxygenated blood across the ductus arteriosus (DA) and foramen ovale (FO) resulting in severe hypoxemia, and it may eventually lead to life-threatening circulatory failure. PPHN is a serious event affecting both term and preterm infants in the neonatal intensive care unit. It is often associated with diseases such as congenital diaphragmatic hernia, meconium aspiration, sepsis, congenital pneumonia, birth asphyxia and respiratory distress syndrome...
August 10, 2017: Pediatrics and Neonatology
https://www.readbyqxmd.com/read/28922267/the-1-year-follow-up-clinic-for-neonates-and-children-after-respiratory-extracorporeal-membrane-oxygenation-support-a-10-year-single-institution-experience
#12
Suzan Kakat, Maura O'Callaghan, Liz Smith, Raymond Hreiche, Deborah A Ridout, Jo Wray, Timothy Thiruchelvam, Katherine L Brown, Aparna U Hoskote
OBJECTIVES: To establish the effectiveness of a "1-year extracorporeal membrane oxygenation follow-up clinic" and to characterize any neurodevelopmental concerns identified. DESIGN: Single-center retrospective cohort of respiratory extracorporeal membrane oxygenation survivors over 10 years. SETTING: Nationally commissioned center for neonatal and pediatric (> 28 d of life) respiratory extracorporeal membrane oxygenation. PATIENTS: Children attending the follow-up clinic 1 year after receiving respiratory extracorporeal membrane oxygenation between 2003 and 2013...
November 2017: Pediatric Critical Care Medicine
https://www.readbyqxmd.com/read/28832917/propensity-score-method-for-analyzing-the-effect-of-labor-induction-in-prolonged-pregnancy
#13
Aura Pyykönen, Anna-Maija Tapper, Mika Gissler, Jari Haukka, Jari Petäjä, Lasse Lehtonen
There is an ongoing debate on the optimal time of labor induction to reduce the risks associated with prolonged pregnancy MATERIAL AND METHODS: Registry-based study of 212,716 term, singleton cephalic deliveries between 2006 and 2012 in Finland comparing the outcomes of labor induction to those of expectant management in five three-day gestational age periods between 40 and 42 weeks (Group 1:40+0-40+2; 2:40+3-40+5;3: 40+6-41+1;4: 41+2-41+4;5: 41+5-42+0). Using Poisson regression, induced deliveries in each of the gestational age periods were compared to all ongoing pregnancies...
August 21, 2017: Acta Obstetricia et Gynecologica Scandinavica
https://www.readbyqxmd.com/read/28793392/placental-lesions-in-meconium-aspiration-syndrome
#14
Binnari Kim, Soo-Young Oh, Jung-Sun Kim
BACKGROUND: Meconium aspiration syndrome (MAS) is defined by respiratory distress requiring supplemental oxygen in a meconium-stained neonate. MAS is clinically subclassified as mild, moderate, and severe according to the oxygen requirement. The aims of this study were to compare the histological findings in the placentas of MAS neonates with those of meconium-stained but non-MAS neonates and to analyze the correlation between the severity of MAS and the grade of its histological parameters...
September 2017: Journal of Pathology and Translational Medicine
https://www.readbyqxmd.com/read/28708464/effect-of-whole-body-hypothermia-on-surfactant-function-when-amniotic-fluid-is-meconium-stained
#15
Chiara Autilio, Mercedes Echaide, Valentina Dell'Orto, Jesus Perez-Gil, Daniele De Luca
We provide the first complete biophysical study of surfactant by captive bubble surfactometry from a neonate with meconium-stained amniotic fluid under controlled whole body hypothermia. Surfactant function improves after 48 hours of hypothermia, as surfactant cholesterol decreases. These findings partially explain positive effect of hypothermia on respiratory outcomes during meconium aspiration syndrome. A larger study including several neonates with or without lung disease is being conducted to better define the effect of hypothermia on surfactant function...
July 14, 2017: Therapeutic Hypothermia and Temperature Management
https://www.readbyqxmd.com/read/28693597/clinical-outcome-and-risk-factors-of-neonatal-sepsis-among-neonates-in-felege-hiwot-referral-hospital-bahir-dar-amhara-regional-state-north-west-ethiopia-2016-a-retrospective-chart-review
#16
Tilahun Tewabe, Seida Mohammed, Yibeltal Tilahun, Birhanie Melaku, Mequanint Fenta, Tsigiereda Dagnaw, Amare Belachew, Ashagre Molla, Habte Belete
BACKGROUND: Sepsis remains a major cause of morbidity and mortality among neonates. The risk factors and clinical outcomes of sepsis are poorly understood. Most cases of sepsis occurred mostly within the first week of newborns life related to perinatal risk factors. Late onset sepsis is related to hospital acquired infections which is seen after seven days of age. The purpose of this study was to assess clinical outcome and risk factors of neonatal sepsis in Felege Hiwot referral hospital Bahir Dar, North West Ethiopia...
July 11, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28658765/prevalence-of-lung-lesions-at-autopsy-a-histopathological-study
#17
Pratima Khare, Renu Gupta, Mukta Ahuja, Nupur Khare, Swapnil Agarwal, Deepti Bansal
INTRODUCTION: Autopsies are carried out to establish the identity, cause of death, time of death, and ante-mortem or post-mortem nature of death. These help in establishing the cause of death and ascertain the disease process which led to death. AIM: To study the prevalence and pattern of lung diseases in medicolegal autopsies, confirmed by histopathological examination. MATERIALS AND METHODS: This retrospective study was carried out in the Department of Pathology...
May 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28658507/antibiotics-for-neonates-born-through-meconium-stained-amniotic-fluid
#18
REVIEW
Lauren E Kelly, Sandesh Shivananda, Prashanth Murthy, Ravisha Srinivasjois, Prakeshkumar S Shah
BACKGROUND: Approximately 1 in 10 pregnancies is affected by meconium passage at delivery, which can result in meconium aspiration syndrome (MAS). MAS can cause respiratory complications and, very rarely, death. Antibiotics have been prescribed for neonates exposed to meconium in amniotic fluid, with the intention of preventing infection due to potential bacterial contaminants. OBJECTIVES: We conducted this review to assess the efficacy and safety of antibiotics for:1...
June 28, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28608650/comparison-of-different-dosing-strategies-of-intratracheally-instilled-budesonide-on-meconium-injured-piglet-lungs
#19
Chih-Hsueh Lin, Mei-Jy Jeng, Yi-Chiang Yang, Yu-Hsuan Hsiao, Yu Ru Kou
BACKGROUND: Severe inflammation plays a vital role in the pathogenesis of meconium aspiration syndrome (MAS). Intratracheal (IT) instillation of corticosteroids may be beneficial for MAS in optimizing local effect and reducing systemic adverse effects, but the optimum dosing course remains open to question. METHODS: Thirty meconium-injured newborn piglets were enrolled into six study groups. The first four groups consisted of the IT instillation of 0.25/0.5 mg/kg using either one (IT-B251/IT-B501) or two (IT-B252/IT-B502) doses of budesonide, while the other two groups were the intravenous (IV) dexamethasone (0...
July 2017: Pediatric Pulmonology
https://www.readbyqxmd.com/read/28567102/neonatal-respiratory-distress-syndrome-chest-x-ray-or-lung-ultrasound-a-systematic-review
#20
REVIEW
Matthew Hiles, Anne-Marie Culpan, Catriona Watts, Theresa Munyombwe, Stephen Wolstenhulme
BACKGROUND AND AIM: Neonatal respiratory distress syndrome is a leading cause of morbidity in preterm new-born babies (<37 weeks gestation age). The current diagnostic reference standard includes clinical testing and chest radiography with associated exposure to ionising radiation. The aim of this review was to compare the diagnostic accuracy of lung ultrasound against the reference standard in symptomatic neonates of ≤42 weeks gestation age. METHODS: A systematic search of literature published between 1990 and 2016 identified 803 potentially relevant studies...
May 2017: Ultrasound: Journal of the British Medical Ultrasound Society
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