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https://www.readbyqxmd.com/read/28407823/-application-of-humidified-high-flow-nasal-cannula-in-neonates-with-meconium-aspiration-syndrome-and-pulmonary-hypertension-after-extubation
#1
Xiao-Yan Gao, Lin Feng, Yu-Fen Qiu, Xin-Nian Pan
OBJECTIVE: To investigate the clinical value of humidified high-flow nasal cannula (HHFNC) as a respiratory support after extubation by comparing it with nasal continuous positive airway pressure (NCPAP) in neonates with meconium aspiration syndrome (MAS) and persistent pulmonary hypertension of the newborn (PPHN). METHODS: A total of 78 neonates with MAS and PPHN were randomly administered with HHFNC or NCPAP immediately after extubation. The following indices were compared between the two groups: blood gas parameters, duration of noninvasive ventilation, rate of extubation failure, and incidence of complications, such as nasal damage, abdominal distension, and intraventricular hemorrhage...
April 2017: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
https://www.readbyqxmd.com/read/28389079/safety-and-tolerability-of-subcutaneous-treprostinil-in-newborns-with-congenital-diaphragmatic-hernia-and-life-threatening-pulmonary-hypertension
#2
E Carpentier, S Mur, E Aubry, L Pognon, T Rakza, F Flamein, D Sharma, P Tourneux, L Storme
BACKGROUND: Prolonged pulmonary hypertension (PH) is highly predictive for pulmonary morbidity and death in infants with congenital diaphragmatic hernia (CDH). OBJECTIVES: To report the effects and tolerability of subcutaneous treprostinil in newborns with severe CDH and late life-threatening PH. METHODS: We recorded clinical and echocardiography data before and after starting subcutaneous treprostinil, on patients with severe CDH and late PH, refractory to inhaled nitric oxide and oral sildenafil...
March 28, 2017: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/28382839/abnormal-muscularization-of-intra-acinar-pulmonary-arteries-in-2-cases-presenting-as-sudden-infant-death-sids
#3
Zainun Khairul, Hope Kirsten, Andrew G Nicholson, Marta C Cohen
Abnormal muscularization of acinar arteries is the hallmark of persistent pulmonary hypertension of newborn (PPHN), an uncommon disease with high rate of morbidity and mortality. PPHN presents with signs of respiratory distress immediately following birth. We herein report 2 cases presenting as a witnessed sudden unexpected death in the late neonatal period, preceded by respiratory deterioration and in whom the presence of abnormal muscularization of the acinar pulmonary arteries was reminiscent of PPHN. The significance of this report is twofold: to increase the awareness among pediatricians and pathologists of this feature that can present in some cases of sudden unexpected death in infancy/Sudden Infant Death Syndrome (SIDS), and to highlight the importance of performing a thorough autopsy in order to identify the abnormality...
January 1, 2017: Pediatric and Developmental Pathology
https://www.readbyqxmd.com/read/28342684/persistent-pulmonary-hypertension-of-the-newborn
#4
REVIEW
Mamta Fuloria, Judy L Aschner
Failure of the normal circulatory adaptation to extrauterine life results in persistent pulmonary hypertension of the newborn (PPHN). Although this condition is most often secondary to parenchymal lung disease or lung hypoplasia, it may also be idiopathic. PPHN is characterized by elevated pulmonary vascular resistance with resultant right-to-left shunting of blood and hypoxemia. Although the preliminary diagnosis of PPHN is often based on differential cyanosis and labile hypoxemia, the diagnosis is confirmed by echocardiography...
March 23, 2017: Seminars in Fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28332379/a-novel-de-novo-pathogenic-variant-in-foxf1-in-a-newborn-with-alveolar-capillary-dysplasia-with-misalignment-of-pulmonary-veins
#5
Youngeun Ma, Mi Ae Jang, Hye Soo Yoo, So Yoon Ahn, Se In Sung, Yun Sil Chang, Chang Seok Ki, Won Soon Park
Alveolar capillary dysplasia with misalignment of pulmonary veins (ACD/MPV) is an autosomal dominant, fatal developmental disorder of the lungs, with a mortality rate of about 100%. ACD/MPV is caused by mutations in FOXF1. Herein, we describe a newborn boy with ACD/MPV carrying a novel pathogenic variant of FOXF1. The patient developed respiratory distress and severe pulmonary hypertension on the first day of life. Despite aggressive cardiorespiratory management, including veno-venous extracorporeal membrane oxygenation, his condition deteriorated rapidly, and he died within the first month of his life...
May 2017: Yonsei Medical Journal
https://www.readbyqxmd.com/read/28331629/congenital-diaphragmatic-hernia-a-review
#6
REVIEW
Praveen Kumar Chandrasekharan, Munmun Rawat, Rajeshwari Madappa, David H Rothstein, Satyan Lakshminrusimha
Congenital Diaphragmatic hernia (CDH) is a condition characterized by a defect in the diaphragm leading to protrusion of abdominal contents into the thoracic cavity interfering with normal development of the lungs. The defect may range from a small aperture in the posterior muscle rim to complete absence of diaphragm. The pathophysiology of CDH is a combination of lung hypoplasia and immaturity associated with persistent pulmonary hypertension of newborn (PPHN) and cardiac dysfunction. Prenatal assessment of lung to head ratio (LHR) and position of the liver by ultrasound are used to diagnose and predict outcomes...
2017: Maternal Health, Neonatology and Perinatology
https://www.readbyqxmd.com/read/28326961/fatal-vernix-caseosa-aspiration-associated-with-persistent-pulmonary-hypertension-of-the-newborn
#7
Narongsak Nakwan, Wuttichart Kamolvisit, Charoen Napapongsuriya, Pornpreenun Chaiwiriyawong, Cheep Charoenlap
Vernix caseosa aspiration is an extremely rare condition resulting in high mortality if complicated by persistent hypertension of the newborn (PPHN). Herein we offer the first case report of PPHN due to massive vernix caseosa aspiration documented by histopathological examination. This case report is presented to provide a synopsis of the pathoetiology of PPHN related to vernix caseosa aspiration syndrome as likely to be encountered by neonatologists and general pediatricians involved with neonatal care.
March 2017: Pediatric and Developmental Pathology
https://www.readbyqxmd.com/read/28316463/the-role-of-serotonin-transporter-in-human-lung-development-and-in-neonatal-lung-disorders
#8
E C C Castro, P Sen, W T Parks, C Langston, C Galambos
Introduction. Failure of the vascular pulmonary remodeling at birth often manifests as pulmonary hypertension (PHT) and is associated with a variety of neonatal lung disorders including a uniformly fatal developmental disorder known as alveolar capillary dysplasia with misalignment of pulmonary veins (ACD/MPV). Serum serotonin regulation has been linked to pulmonary vascular function and disease, and serotonin transporter (SERT) is thought to be one of the key regulators in these processes. We sought to find evidence of a role that SERT plays in the neonatal respiratory adaptation process and in the pathomechanism of ACD/MPV...
2017: Canadian Respiratory Journal: Journal of the Canadian Thoracic Society
https://www.readbyqxmd.com/read/28276303/abnormal-muscularization-of-intra-acinar-pulmonary-arteries-in-two-cases-presenting-as-sudden-infant-death
#9
Khairul Zainun, Kirsten Hope, Andrew G Nicholson, Marta C Cohen
Abnormal muscularization of acinar arteries is the hallmark of persistent pulmonary hypertension of newborn (PPHN), an uncommon disease with high rate of morbidity and mortality. PPHN presents with signs of respiratory distress immediately following birth. We herein report 2 cases presenting as a witnessed sudden unexpected death in the late neonatal period, preceded by respiratory deterioration and in whom the presence of abnormal muscularization of the acinar pulmonary arteries was reminiscent of PPHN. The significance of this report is twofold: to increase the awareness among pediatricians and pathologists of this feature that can present in some cases of Sudden Unexpected Death in Infancy/Sudden Infant Death Syndrome, and to highlight the importance of performing a thorough autopsy in order to identify the abnormality...
January 2017: Pediatric and Developmental Pathology
https://www.readbyqxmd.com/read/28256047/maternal-mutations-of-foxf1-cause-alveolar-capillary-dysplasia-despite-not-being-imprinted
#10
Miguel Alsina Casanova, Ana Monteagudo-Sánchez, Luciana Rodiguez Guerineau, Franck Court, Isabel Gazquez Serrano, Loreto Martorell, Carlota Rovira Zurriaga, Gudrun E Moore, Miho Ishida, Montserrat Castañon, Elisenda Moliner Calderon, David Monk, Julio Moreno Hernando
Alveolar capillary dysplasia with misalignment of pulmonary veins (ACDMPV) is a rare cause of pulmonary hypertension in newborns. Maternally inherited point mutations in Forkhead Box F1 gene (FOXF1), deletions of the gene, or its long-range enhancers on the maternal allele are responsible for this neonatal lethal disorder. Here, we describe monozygotic twins and one full-term newborn with ACD and gastrointestinal malformations caused by de novo mutations of FOXF1 on the maternal-inherited alleles. Since this parental transmission is consistent with genomic imprinting, the parent-of-origin specific monoallelic expression of genes, we have undertaken a detailed analysis of both allelic expression and DNA methylation...
March 3, 2017: Human Mutation
https://www.readbyqxmd.com/read/28223011/extracorporeal-membrane-oxygenation-support-in-neonates-a-single-medical-center-experience-in-taiwan
#11
Chi-Man Kuok, Po-Nien Tsao, Chien-Yi Chen, Hung-Chieh Chou, Wu-Shiun Hsieh, Shu-Chien Huang, Yih-Sharng Chen, En-Ting Wu
BACKGROUND: Extracorporeal membrane oxygenation (ECMO) was used in neonates with severe cardiopulmonary failure who failed to respond to conventional therapy. We started to apply neck venoarterial ECMO (VA-ECMO) in neonatal patients from 2000. In this study, we have focused on neonates who received ECMO support and described the current status of ECMO in neonates for both cardiac and pulmonary support and the risk factors associated with their outcomes. METHODS: Data were retrieved from our ECMO database for the neonates (age < 28 days) who received neck VA-ECMO support from January 2005 to June 2015...
January 17, 2017: Pediatrics and Neonatology
https://www.readbyqxmd.com/read/28157249/effect-of-antidepressants-use-in-pregnancy-on-foetus-development-and-adverse-effects-in-newborns
#12
Ewa Bałkowiec-Iskra, Dagmara Maria Mirowska-Guzel, Mirosław Wielgoś
Over the last few years, several reports on the safety of antidepressants use in pregnancy have been published. Studies concerning the adverse effects of exposure to selective serotonin reuptake inhibitors (SSRI) during pregnancy on the developing foetus have indicated an increased risk of various congenital malformations and untoward effects such as poor neonatal adaptation syndrome or persistent pulmonary hypertension, but there still remain inconsistencies between various study results. This paper aims at reviewing the literature on the risks of exposure to antidepressants during pregnancy...
2017: Ginekologia Polska
https://www.readbyqxmd.com/read/28148930/mir-126a-5p-is-involved-in-the-hypoxia-induced-endothelial-to-mesenchymal-transition-of-neonatal-pulmonary-hypertension
#13
Yan-Ping Xu, Qi He, Zheng Shen, Xiao-Li Shu, Chen-Hong Wang, Jia-Jun Zhu, Li-Ping Shi, Li-Zhong Du
Persistent pulmonary hypertension of the newborn (PPHN) is a clinical syndrome characterized by increased medial and adventitial thickness of the lung vasculature. The underlying mechanisms that regulate the cell phenotype alteration during PPHN remodeling are largely unknown. We randomly selected newborn rats that were exposed to hypoxia (10-12%) or room air for 2 weeks and used a microarray to identify the lung tissue microRNAs (miRNAs) involved in PPHN progression. The role of a key miRNA that affects the endothelial-to-mesenchymal transition (EndMT) in primary cultured rat pulmonary microvascular endothelial cells (RPMECs) was investigated...
February 2, 2017: Hypertension Research: Official Journal of the Japanese Society of Hypertension
https://www.readbyqxmd.com/read/28137353/management-of-neonatal-hypotension
#14
Brian T Kalish
Hypotension is a common problem in neonates with complex underlying pathophysiology. Although treatment of low blood pressure is common, clinicians must use all available information to target neonates with compromised perfusion. Pharmacotherapy should be tailored to the specific physiologic perturbations of the individual neonate. Dopamine is the most commonly utilized agent and may be the most appropriate agent for septic shock with low diastolic blood pressure. However, alternative therapies should be considered for other etiologies of hypotension, including milrinone and vasopressin for persistent pulmonary hypertension of the newborn and dobutamine for patent ductus arteriosus...
January 1, 2017: Neonatal Network: NN
https://www.readbyqxmd.com/read/28099979/milrinone-pharmacokinetics-and-pharmacodynamics-in-neonates-with-persistent-pulmonary-hypertension-of-the-newborn
#15
Annie Giaccone, Athena F Zuppa, Beena Sood, Meryl S Cohen, Michael L O'Byrne, Ganesh Moorthy, Amit Mathur, Haresh Kirpalani
Objective To describe the pharmacokinetics and pharmacodynamics of milrinone in infants with persistent pulmonary hypertension of the newborn (PPHN) and to explore the impact of age on milrinone disposition. Design Randomized, open label pilot study. Setting Multicenter; level 3 and level 4 neonatal intensive care units. Patients Six infants ≥34 weeks' gestational age and <10 days of life with persistent hypoxemia receiving inhaled nitric oxide. Intervention Intravenous milrinone lactate in one of two dosing regimens: (1) low dose, 20 mcg/kg bolus followed by 0...
January 18, 2017: American Journal of Perinatology
https://www.readbyqxmd.com/read/28097848/-congenital-pulmonary-capillary-hemangiomatosis-in-a-newborn
#16
Sandra L Sposito Cavallo, Luciano A Macias Sobrino, Luifer J Marenco Altamar, Andrés F Mejía Alquichire
Pulmonary capillary hemangiomatosis is a rare entity characterized by the proliferation of capillaries into alveolar walls, interlobular septa, pleura and pulmonary interstitium, without malignant characteristics, with almost constant association with pulmonary hypertension. Until now two cases of congenital presentation have been reported in the literature. This is the third case in a newborn; he has not followed the usual pattern associated with pulmonary hypertension as occurs in most patients with this pathology; the highest incidence is among 20-40 years old...
February 1, 2017: Archivos Argentinos de Pediatría
https://www.readbyqxmd.com/read/28096983/pde3-inhibition-with-enoximone-as-first-line-therapy-for-severe-persistent-pulmonary-hypertension-of-the-newborn-during-neonatal-transport-a-case-report
#17
Robin van der Lee, Barbara Peels, Corine Koopman-Esseboom
Severe Persistent pulmonary hypertension of the newborn (PPHN) can be effectively treated with a PDE3 inhibitor as first-line treatment during neonatal transport when iNO is not readily available. Starting iNO as soon as possible is strongly advised because of the complementary actions of both therapeutics.
January 2017: Clinical Case Reports
https://www.readbyqxmd.com/read/28056166/nitric-oxide-for-respiratory-failure-in-infants-born-at-or-near-term
#18
REVIEW
Keith J Barrington, Neil Finer, Thomas Pennaforte, Gabriel Altit
BACKGROUND: Nitric oxide (NO) is a major endogenous regulator of vascular tone. Inhaled nitric oxide (iNO) gas has been investigated as treatment for persistent pulmonary hypertension of the newborn. OBJECTIVES: To determine whether treatment of hypoxaemic term and near-term newborn infants with iNO improves oxygenation and reduces rate of death and use of extracorporeal membrane oxygenation (ECMO), or affects long-term neurodevelopmental outcomes. SEARCH METHODS: We used the standard search strategy of the Cochrane Neonatal Review Group to search the Cochrane Central Register of Controlled Trials (CENTRAL; 2016, Issue 1), MEDLINE via PubMed (1966 to January 2016), Embase (1980 to January 2016) and the Cumulative Index to Nursing and Allied Health Literature (CINAHL; 1982 to January 2016)...
January 5, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28042638/black-lung-persistent-pulmonary-hypertension-of-the-newborn-saudi-experience-with-sildenafil-and-nitric-oxide
#19
AbdulRahman M Alnemri
To determine the clinical presentation, risk factors, diagnosis, and treatment outcome of Saudi infants with black lung persistent pulmonary hypertension of the newborn (PPHN). Methods: This is a retrospective review of all neonates with PPHN presented to the Armed Force Hospital Southern Region, Kingdom of Saudi Arabia from January 2012 to December 2014. Results: Ten term and near term infants presented with PPHN were included. Maternal diabetes and Down syndrome were the most common identified risk factors for PPHN in the study group...
January 2017: Saudi Medical Journal
https://www.readbyqxmd.com/read/28039410/effects-of-novel-muscarinic-m3-receptor-ligand-c1213-in-pulmonary-arterial-hypertension-models
#20
Mohamed Ahmed, Sonya VanPatten, Satyan Lakshminrusimha, Hardik Patel, Thomas R Coleman, Yousef Al-Abed
Pulmonary hypertension (PH) is a complex disease comprising a pathologic remodeling and thickening of the pulmonary vessels causing an after load on the right heart ventricle that can result in ventricular failure. Triggered by oxidative stress, episodes of hypoxia, and other undetermined causes, PH is associated with poor outcomes and a high rate of morbidity. In the neonate, this disease has a similar etiology but is further complicated by the transition to breathing after birth, which requires a reduction in vascular resistance...
December 2016: Physiological Reports
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