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Persistent pulmonary hypertension in the newborn

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https://www.readbyqxmd.com/read/30518007/-multicenter-investigation-of-extracorporeal-membrane-oxygenation-application-in-pediatric-intensive-care-unit-in-china
#1
G F Yan, X D Cai, C B Zhou, X Y Hong, Y Wang, C M Zhang, Z H Yang, Y C Zhang, Y Cui, Y Q Cui, Y B Cheng, S Y Qian, P F Zhang, Y P Jin, X D Zhu, H Gao, Z P Li, X L Lu, H J Miao, Q Y Zhang, Y M Li, W G Yang, C Y Liu, B Li, Y Li, Z J Bo, J P Chu, X Wang, G P Lu
Objective: To survey the conduction and evaluate the effectiveness of extracorporeal membrane oxygenation (ECMO) therapy in pediatric intensive care unit (PICU) in China mainland. Methods: In a questionnaire-based survey, we retrospectively reviewed the application of ECMO in children's hospital and general hospital in China mainland to summarize and analyze the categories of diseases and prognosis of children treated with ECMO therapy. Results: By December 31, 2017, a total of 23 hospitals using ECMO, including 22 tertiary referral hospitals and 1 secondary hospital, among which 16 were children's hospitals and 7 were general hospitals...
December 2, 2018: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/30465360/comparison-of-the-efficacy-of-sildenafil-alone-versus-sildenafil-plus-bosentan-in-newborns-with-persistent-pulmonary-hypertension
#2
Nazia Fatima, Sohail Arshad, Ahmed Iqbal Quddusi, Abdur Rehman, Aashee Nadeem, Imran Iqbal
BACKGROUND: Persistent pulmonary hypertension is a serious disease among new-borns. Inhaled nitric oxide is first line of therapy along with extracorporeal membrane oxygenation. Pulmonary vasodilators such as sildenafil, bosentan and milrinone are also used to treat persistent pulmonary hypertension especially in resource limited centres where inhaled nitric oxide is not available. The objective of this study was to compare the effect of sildenafil alone and sildenafil with bosentan on severity of tricuspid regurgitation and duration of hospitalization in new-borns with persistent pulmonary hypertension...
July 2018: Journal of Ayub Medical College, Abbottabad: JAMC
https://www.readbyqxmd.com/read/30458719/a-novel-compound-heterozygous-mutation-in-vars2-in-a-newborn-with-mitochondrial-cardiomyopathy-a-case-report-of-a-chinese-family
#3
Keze Ma, Mingyu Xie, Xiaoguang He, Guojun Liu, Xiaomei Lu, Qi Peng, Baimao Zhong, Ning Li
BACKGROUND: Genetic defects in the mitochondrial aminoacyl-tRNA synthetase are important causes of mitochondrial disorders. VARS2 is one of the genes encoding aminoacyl-tRNA synthetases. Recently, an increasing number of pathogenic variants of VARS2 have been reported. CASE PRESENTATION: We report the novel compound heterozygous pathogenic VARS2 mutations c.643 C > T (p. His215Tyr) and c.1354 A > G (p. Met452Val) in a female infant who presented with poor sucking at birth, poor activity, hyporeflexia, hypertonia, persistent pulmonary hypertension of newborn (PPHN), metabolic acidosis, severe lactic acidosis, expansion and hypertrophic cardiomyopathy...
November 20, 2018: BMC Medical Genetics
https://www.readbyqxmd.com/read/30407100/selective-serotonin-reuptake-inhibitors-and-persistent-pulmonary-hypertension-of-the-newborn-an-update-meta-analysis
#4
Qin Xiang Ng, Nandini Venkatanarayanan, Collin Yih Xian Ho, Wen Shan Sim, Donovan Yutong Lim, Wee-Song Yeo
BACKGROUND: Persistent pulmonary hypertension of the newborn (PPHN) is a serious condition associated with substantial mortality and morbidity. Previous studies have suggested a possible link between maternal selective serotonin reuptake inhibitor (SSRI) use and the risk of PPHN. This study aimed to provide an up-to-date review and meta-analysis of the topic. METHODS: Using the search terms [SSRI OR SSRIs OR selective serotonin reuptake inhibitors OR antidepressant OR Prozac OR fluoxetine OR Lexapro OR escitalopram] AND [pregnancy OR maternal OR newborn OR persistent pulmonary hypertension OR PPHN OR neonat* OR fet*], a preliminary search on the PubMed, Medline, EMBASE, Web of Science, and Google Scholar database yielded 7327 articles published in English between January 1, 1960 and October 1, 2017...
November 8, 2018: Journal of Women's Health
https://www.readbyqxmd.com/read/30318951/an-asian-multicenter-retrospective-study-on-persistent-pulmonary-hypertension-of-the-newborn-incidence-etiology-diagnosis-treatment-and-outcome
#5
Narongsak Nakwan, Suksham Jain, Kishore Kumar, Shigeharu Hosono, Majeda Hammoud, Yasser Yahia Elsayed, Shabina Ariff, Babar Hasan, Waqar Khowaja, Poom Woei Bing
OBJECTIVES: To explore the incidence, etiologies, diagnostic methods, treatment options and outcomes in neonates with persistent pulmonary hypertension of the newborn (PPHN) and to identify mortality risk factors in a study from six Asian countries. METHODS: A retrospective chart review of patients with documented PPHN from seven centers in six Asian countries (Japan, Kuwait, India, Pakistan, Singapore, and Thailand) between 1 January, 2014 and 31 December, 2016, was performed...
October 14, 2018: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/30315664/persistent-pulmonary-hypertension-of-the-newborn-after-fetomaternal-hemorrhage
#6
Manon Gijtenbeek, Enrico Lopriore, Sylke J Steggerda, Arjan B Te Pas, Dick Oepkes, Monique C Haak
BACKGROUND: Newborns with anemia are at increased risk of persistent pulmonary hypertension of the newborn (PPHN), yet reports on the association between fetomaternal hemorrhage (FMH) and PPHN are rare. To optimize care for pregnancies complicated by FMH, clinicians should be aware of the risks of FMH and the possible diagnostic and therapeutic options. To increase the current knowledge, the incidence of PPHN and short-term neurologic injury in FMH cases were studied. STUDY DESIGN AND METHODS: We included all FMH cases (≥30 mL fetal blood transfused into the maternal circulation) admitted to our neonatal unit between 2006 and 2018...
October 13, 2018: Transfusion
https://www.readbyqxmd.com/read/30279881/the-histological-findings-in-transposition-of-the-great-artery-with-severe-persistent-pulmonary-hypertension-of-the-newborn
#7
Shinsuke Hoshino, Junpei Somura, Ouki Furukawa, Takahide Yanagi, Yoshihiro Maruo
The combination of persistent pulmonary hypertension of the newborn (PPHN) and transposition of the great arteries (TGA) has serious impacts on treatment and prognosis, often with adverse outcomes. We report the case of a male full-term newborn with TGA with intact ventricular septum and severe PPHN who died 2 h after birth; further, we examined his vascular histology. On autopsy, lung histology showed mild fibrous hypertrophy in the intima and moderate medial hypertrophy of the minimal pulmonary artery. Hypoplasia of the pulmonary artery was not detected...
May 2018: Journal of Cardiology Cases
https://www.readbyqxmd.com/read/30234376/hypoxia-inhibits-adenylyl-cyclase-catalytic-activity-in-a-porcine-model-of-persistent-pulmonary-hypertension-of-the-newborn
#8
Anurag Singh Sikarwar, Martha Hinton, Kallivalappil Thomas Santhosh, Premnath Dhanaraj, Mariel Talabis, Prashen Chelikani, Shyamala Dakshinamurti
OBJECTIVE: Persistent pulmonary hypertension of the newborn (PPHN) features hypoxemia, pulmonary vasoconstriction and impaired cardiac inotropy. We reported low basal and stimulated cAMP in hypoxic pulmonary artery smooth muscle cells (PASMC). We now examine pulmonary arterial adenylyl cyclase (AC) activity and regulation in hypoxic PPHN. APPROACH: PPHN was induced in newborn swine by normobaric hypoxia (FiO2 0.10) for 72hr; age-matched normoxic controls. We studied relaxation of pulmonary arterial rings to AC activator forskolin and sGC activator sodium nitroprusside (SNP) by isometric myography; ATP content, phosphodiesterase activity, AC content, isoform expression and catalytic activity in presence or absence of Gαs-coupled receptor agonists, forskolin, or trans-nitrosylating agents, in human and neonatal porcine PASMC, and HEK293T stably expressing AC isoform 6, after 72 hour hypoxia (10% O2) or normoxia (21% O2)...
September 20, 2018: American Journal of Physiology. Lung Cellular and Molecular Physiology
https://www.readbyqxmd.com/read/30214031/application-of-laser-scanning-cytometry-in-vascular-smooth-muscle-remodeling
#9
Dina Johar, Sameh Magdeldin
Pulmonary artery hyperplasia is the result of proliferation of the pulmonary arterial smooth muscles (PASM). Hypoxia-induced PASM proliferation in the fetus and the newborn is the primary cause of persistent pulmonary hypertension of the newborn (PPHN). This study was performed to characterize the utility of the Laser Scanning Cytometry (LSC) method in elucidating arterial cytoskeletal remodeling in an in vitro model of PPHN. The aim was to demonstrate the following: (a) LSC is a valid method for the analysis of nuclear and cytosolic fluorescence and (b) the cumulative effects of mechanical stretch together with hypoxia promote reactive oxygen species (ROS) formation...
November 2018: Hypertension Research: Official Journal of the Japanese Society of Hypertension
https://www.readbyqxmd.com/read/30176827/hypertrophic-pyloric-stenosis-following-persistent-pulmonary-hypertension-of-the-newborn-a-case-report-and-literature-review
#10
Shigeo Iijima, Daizo Ueno, Toru Baba, Akira Ohishi
BACKGROUND: Although persistent pulmonary hypertension of the newborn (PPHN) and infantile hypertrophic pyloric stenosis (HPS) are both well-known diseases that occur in early infancy, PPHN complicated by HPS is rare. As nitric oxide (NO) is an important mediator of biological functions, on both the vascular endothelium and smooth muscle cells, the decreased production of NO might play a role in the pathogenesis of both PPHN and HPS. We present the case of a neonate who developed HPS following PPHN, including a detailed review on research published to date, and we discuss the pathogenesis of PPHN and HPS...
September 3, 2018: BMC Pediatrics
https://www.readbyqxmd.com/read/30170040/prenatal-exposure-to-ssris-and-snris-and-risk-for-persistent-pulmonary-hypertension-of-the-newborn-a-systematic-review-meta-analysis-and-network-meta-analysis
#11
REVIEW
Reem Masarwa, Benjamin Bar-Oz, Einat Gorelik, Shimon Reif, Amichai Perlman, Ilan Matok
OBJECTIVE: There is a marked increase in the use of selective serotonin reuptake inhibitors (SSRIs) and serotonin-norepinephrine reuptake inhibitors (SNRIs) in the last decade. Many newborns are likely to be exposed during pregnancy and labor. We aimed to evaluate the association between exposure to SSRIs and SNRIs during pregnancy and the risk for persistent pulmonary hypertension of the newborn (PPHN). To compare the risk for PPHN between specific SSRI agents. DATA SOURCES: MEDLINE, EMBASE, and Cochrane were searched up to July 2017...
August 28, 2018: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/30160618/yield-of-meconium-in-non-vigorous-neonates-undergoing-endotracheal-suctioning-and-profile-of-all-neonates-born-through-meconium-stained-amniotic-fluid-a-prospective-observational-study
#12
V R Viraraghavan, Sushma Nangia, B H Prathik, Babu S Madarkar, Deepshika Rani, Arvind Saili
BACKGROUND: Delivery room management of infants born via meconium-stained amniotic fluid (MSAF) is quite controversial. No study has tried to quantify the amount of meconium that can be aspirated from the trachea of a non-vigorous neonate born through MSAF. AIMS: To study the yield of meconium in non-vigorous neonates born through MSAF undergoing endotracheal (ET) suctioning. METHODS: This was a prospective observational study conducted from 1 March 2015 to 31 October 2015...
August 30, 2018: Paediatrics and International Child Health
https://www.readbyqxmd.com/read/30109814/therapeutic-hypothermia-for-moderate-and-severe-hypoxic-ischaemic-encephalopathy-in-newborns-using-low-cost-devices-ice-packs-and-phase-changing-material
#13
Y N Prashantha, P N Suman Rao, Saudamini Nesargi, B S Chandrakala, Kalyan Chakravarthy Balla, A Shashidhar
BACKGROUND: Different methods have been used for therapeutic hypothermia for neonates with moderate-to-severe hypoxic ischaemic encephalopathy (HIE). As standard cooling devices are expensive, there is a need to establish the safety and efficacy of low-cost devices such as ice packs (IP) and phase changing material (PCM). AIM: To assess the efficacy and safety of therapeutic hypothermia (TH) and the clinico-laboratory profile of neonates who underwent cooling with IP or PCM...
August 15, 2018: Paediatrics and International Child Health
https://www.readbyqxmd.com/read/30083034/therapy-with-propylthiouracil-for-t3-predominant-neonatal-graves-disease-a-case-report
#14
Emi Hamajima, Masahiro Noda, Emina Nai, Satoka Akiyama, Yoji Ikuta, Natsuko Obana, Takahiro Kawaguchi, Kenta Hayashi, Kunihiro Oba, Tomohiro Yoshida, Tatsuo Katori, Masayuki Kokaji
This case report describes a male neonate with Graves' disease. The mother's pregnancy was complicated by poorly controlled Graves' disease. The neonate was diagnosed with thyroxine (T3)-predominant Graves' disease with low free triiodothyronine (T4) and high free T3 during antithyroid drug therapy. The patient also presented with persistent pulmonary hypertension of the newborn due to hyperthyroidism and airway stenosis caused by goiter. It was difficult to control thyroid function and maintain free T4 levels with inorganic iodine, thiamazole, and levothyroxine sodium hydrate...
2018: Clinical Pediatric Endocrinology: Case Reports and Clinical Investigations: Official Journal of the Japanese Society for Pediatric Endocrinology
https://www.readbyqxmd.com/read/30072805/application-of-neonatologist-performed-echocardiography-in-the-assessment-and-management-of-persistent-pulmonary-hypertension-of-the-newborn
#15
REVIEW
Willem P de Boode, Yogen Singh, Zoltan Molnar, Ulf Schubert, Marilena Savoia, Arvind Sehgal, Philip Levy, Patrick McNamara, Afif El-Khuffash
Pulmonary hypertension contributes to morbidity and mortality in both the term newborn infant, referred to as persistent pulmonary hypertension of the newborn (PPHN), and the premature infant, in the setting of abnormal pulmonary vasculature development and arrested growth. In the term infant, PPHN is characterized by the failure of the physiological postnatal decrease in pulmonary vascular resistance that results in impaired oxygenation, right ventricular failure, and pulmonary-to-systemic shunting. The pulmonary vasculature is either maladapted, maldeveloped, or underdeveloped...
July 2018: Pediatric Research
https://www.readbyqxmd.com/read/30058708/study-on-sildenafil-combined-with-inhalational-nitric-oxide-therapy-on-the-curative-effects-and-serum-levels-of-hif-1%C3%AE-et-1-and-calcium-in-neonatal-pulmonary-hypertension
#16
G Liu, H-W Wu, Z-G Li
OBJECTIVE: To explore the effect of sildenafil combined with inhalational nitric oxide (NO) therapy on the curative effects and serum levels of hypoxia-inducible factor (HIF)-1α, endothelin-1 (ET-1), and calcium in persistent pulmonary hypertension of the newborn (PPHN). PATIENTS AND METHODS: Eighty-six patients with neonatal pulmonary hypertension treated in Xuzhou Children's Hospital from March 2015 to February 2016 were randomly divided into the observation group and control group, treated with sildenafil and sildenafil combined with inhalational NO, respectively...
July 2018: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/30050261/a-clinical-study-on-congenital-diaphragmatic-hernia-in-neonates-our-institutional-experience
#17
Jayalaxmi Shripati Aihole, Aruna Gowdra, Deepak Javaregowda, Vinay Jadhav, M Narendra Babu, Ravidra Sahadev
Background: Congenital diaphragmatic hernia (CDH) is a complex developmental defect having a multifactorial etiology; i majority of cases (~80%), the cause is not known. Survival rates for patients with CDH have increased over the past decade with early prenatal detection and better postnatal management including surgery. Clinical profile and the outcome of 83 CDH neonates were studied and analyzed over a period of 12 years in our institute. Aims and Objectives: The clinical study was to analyze the clinical profile and outcome of CDH among the neonates in a tertiary care referral neonatal and pediatric center in Karnataka, India...
July 2018: Journal of Indian Association of Pediatric Surgeons
https://www.readbyqxmd.com/read/30046179/intravenous-epoprostenol-improves-oxygenation-index-in-patients-with-persistent-pulmonary-hypertension-of-the-newborn-refractory-to-nitric-oxide
#18
Kaashif Aqeeb Ahmad, Jesse Banales, Cody Lance Henderson, Susanne Erika Ramos, Katherine Marie Brandt, George Charles Powers
OBJECTIVES: Evaluate the short-term effects of IV epoprostenol in neonates with persistent pulmonary hypertension (PPHN) of the newborn. STUDY DESIGN: We reviewed 36 patients with inhaled nitric oxide (iNO) refractory PPHN placed on IV epoprostenol from 2010 to 2015. Patients were categorized as responders or non-responders (who either died or required extracorporeal membranous oxygenation). RESULTS: There were 15 responders and 21 non-responders...
September 2018: Journal of Perinatology: Official Journal of the California Perinatal Association
https://www.readbyqxmd.com/read/30025669/clinical-characteristics-and-risk-factors-for-developing-pulmonary-hypertension-in-children-with-down-syndrome
#19
Douglas Bush, Csaba Galambos, D Dunbar Ivy, Steven H Abman, Kristine Wolter-Warmerdam, Francis Hickey
OBJECTIVES: To determine the incidence, characteristics of, and risk factors contributing to the development of pulmonary hypertension in children with Down syndrome. STUDY DESIGN: This retrospective, review of a large cohort (n = 1242) of children with Down syndrome receiving care at a specialized referral center evaluated clinical data and serial echocardiograms from a clinic database and electronic medical records. Pulmonary hypertension characteristics and comorbidities were reviewed...
November 2018: Journal of Pediatrics
https://www.readbyqxmd.com/read/30004838/persistent-pulmonary-hypertension-alters-the-epigenetic-characteristics-of-endothelial-nitric-oxide-synthase-gene-in-pulmonary-artery-endothelial-cells-in-a-fetal-lamb-model
#20
Xingrao Ke, Hollis Johnson, Xigang Jing, Teresa Michalkiewicz, Yi-Wen Huang, Robert H Lane, Girija G Konduri
Decreased expression of endothelial nitric oxide synthase (eNOS), a key mediator of perinatal transition, characterizes persistent pulmonary hypertension of the newborn (PPHN) in neonates and a fetal lamb model; the mechanisms are unclear. We investigated whether increased DNA CpG methylation at the eNOS promoter in estrogen response elements (EREs) and altered histone code together contribute to decreased eNOS expression in PPHN. We isolated pulmonary artery endothelial cells (PAEC) from fetal lambs with PPHN induced by prenatal ductus arteriosus constriction from 128 to 136 days gestation or gestation-matched twin controls...
October 1, 2018: Physiological Genomics
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