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https://www.readbyqxmd.com/read/27874994/ssri-and-snri-use-during-pregnancy-and-the-risk-of-persistent-pulmonary-hypertension-of-the-newborn
#1
Anick Bérard, Odile Sheehy, Jin-Ping Zhao, Évelyne Vinet, Sasha Bernatsky, Michal Abrahamowicz
AIM: Use of selective serotonin reuptake inhibitors (SSRIs) in late pregnancy may be associated with an increased risk of persistent pulmonary hypertension of the newborn (PPHN). Limited data are available on the risk of PPHN associated with serotonin norepinephrine reuptake inhibitors (SNRIs). We aimed to quantify both associations. METHODS: Using data from the Quebec Pregnancy Cohort between 1998 and 2009, we included women covered by the provincial drug plan who had a singleton live birth...
November 22, 2016: British Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/27696630/single-center-experience-of-extracorporeal-membrane-oxygenation-in-61-neonates
#2
Eiji Hirakawa, Satoshi Ibara, Takuya Tokuhisa, Yoshinobu Maede, Takako Kuwahara, Chie Ishihara, Hiroyuki Noguchi, Yoshiki Naitou, Masakatsu Yamamoto, Masaya Kibe, Tsuyoshi Yamamoto, Tomonori Kurimoto, Masato Kamitomo, Kazutoshi Cho, Hisanori Minakami
BACKGROUND: There have been few reports regarding outcomes after extracorporeal membrane oxygenation (ECMO) in newborn Japanese infants. METHODS: A review of 61 neonates with ECMO through January 1995 at a single center was performed. ECMO was used in neonates with oxygenation index > 20 after conventional treatments. Background factors, such as etiology, vascular access mode (veno-venous [VV] or veno-arterial [VA]), number of days with ECMO, and early ECMO (within 24 hours after birth), were analyzed in relation to outcome with respect to survival to hospital discharge (SHD)...
October 3, 2016: Pediatrics International: Official Journal of the Japan Pediatric Society
https://www.readbyqxmd.com/read/27589551/an-international-survey-on-persistent-pulmonary-hypertension-of-the-newborn-a-need-for-an-evidence-based-management
#3
N Nakwan, P Chaiwiriyawong
OBJECTIVE: To assess the current practice preferences in diagnosis and management of persistent hypertension of the newborn (PPHN) of neonatologists or pediatricians with expertise in neonatal care. STUDY DESIGN: Investigators identified potential participants worldwide through a literature search. They were emailed the URL of an online 25-item questionnaire through the web survey site SurveyMonkey®. Additional respondents were also acquired through a professional online discussion group...
September 16, 2016: Journal of Neonatal-perinatal Medicine
https://www.readbyqxmd.com/read/27589542/effect-of-early-adjunctive-use-of-oral-sildenafil-and-inhaled-nitric-oxide-on-the-outcome-of-pulmonary-hypertension-in-newborn-infants-a-feasibility-study
#4
S Al Omar, H Salama, M Al Hail, H Al Rifai, M Bunahia, W El Kasem, F J Siddiqui, M Dilawar, H Yassin, F Masud, A Mohamed, A Mansour
INTRODUCTION: Inhaled nitric oxide (iNO) is the standard therapy for infants with persistent pulmonary hypertension of the newborn (PPHN). Recently, sildenafil has been evaluated as an alternative or adjunctive pulmonary vasodilator. OBJECTIVE: To assess the effectiveness of adding sildenafil as an early adjunctive therapy together with iNO when treating newborns with PPHN and/or hypoxemic respiratory failure. METHODS: This is a randomized placebo trial on newborns with gestational age > 34 weeks, postnatal age < 48 hours, and diagnosed with PPHN (oxygen index (OI) ≥ 20)...
September 16, 2016: Journal of Neonatal-perinatal Medicine
https://www.readbyqxmd.com/read/27575388/abnormal-muscularization-of-intra-acinar-pulmonary-arteries-in-two-cases-presenting-as-sudden-infant-death-sids
#5
Khairul Zainun, Kirsten Hope, Andrew G Nicholson, Marta Cecilia Cohen
Abnormal muscularization of intra acinar pulmonary arteries is a histological hallmark of persistent pulmonary hypertension of newborn (PPHN), an uncommon disease with high morbidity and mortality. PPHN presents with signs of respiratory distress immediately following birth. The disease is multi-factorial in origin and can be idiopathic as well associated with a variety of conditions such as congenital heart disease and both congenital and acquired lung diseases. We report two cases presenting as sudden unexpected death in late neonatal period (SUDI) showing abnormal muscularization of acinar pulmonary arteries reminiscent of PPHN...
August 30, 2016: Pediatric and Developmental Pathology
https://www.readbyqxmd.com/read/27549510/the-burden-of-hypoxic-ischaemic-encephalopathy-in-malaysian-neonatal-intensive-care-units
#6
Nem-Yun Boo, Irene Guat-Sim Cheah
INTRODUCTION: This study aimed to determine the incidence of hypoxic-ischaemic encephalopathy (HIE) and predictors of HIE mortality in Malaysian neonatal intensive care units (NICUs). METHODS: This was a retrospective study of data from 37 NICUs in the Malaysian National Neonatal Registry in 2012. All newborns with gestational age ≥ 36 weeks, without major congenital malformations and fulfilling the criteria of HIE were included. RESULTS: There were 285,454 live births in these hospitals...
August 2016: Singapore Medical Journal
https://www.readbyqxmd.com/read/27535894/endothelin-receptor-antagonists-for-persistent-pulmonary-hypertension-in-term-and-late-preterm-infants
#7
REVIEW
Kiran More, Gayatri K Athalye-Jape, Shripada C Rao, Sanjay K Patole
BACKGROUND: Endothelin, a powerful vasoconstrictor, is one of the mediators in the causation of persistent pulmonary hypertension of the newborn (PPHN). Theoretically, endothelin receptor antagonists (ETRA) have the potential to improve the outcomes of infants with PPHN. OBJECTIVES: To assess the efficacy and safety of ETRA in the treatment of PPHN in full-term, post-term and late preterm infants.To assess the efficacy and safety of selective ETRAs (which block only the ETA receptors) and non-selective ETRAs (which block both ETA and ETB receptors) separately...
2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/27518105/consequences-of-a-maternal-high-fat-diet-and-late-gestation-diabetes-on-the-developing-rat-lung
#8
Michelle L Baack, Benjamin J Forred, Tricia D Larsen, Danielle N Jensen, Angela L Wachal, Muhammad Ali Khan, Peter F Vitiello
RATIONALE: Infants born to diabetic or obese mothers are at risk of respiratory distress and persistent pulmonary hypertension of the newborn (PPHN), conceivably through fuel-mediated pathogenic mechanisms. Prior research and preventative measures focus on controlling maternal hyperglycemia, but growing evidence suggests a role for additional circulating fuels including lipids. Little is known about the individual or additive effects of a maternal high-fat diet on fetal lung development...
2016: PloS One
https://www.readbyqxmd.com/read/27502948/neurally-adjusted-ventilatory-assist-nava-in-preterm-newborn-infants-with-respiratory-distress-syndrome-a-randomized-controlled-trial
#9
Merja Kallio, Ulla Koskela, Outi Peltoniemi, Tero Kontiokari, Tytti Pokka, Maria Suo-Palosaari, Timo Saarela
UNLABELLED: Neurally adjusted ventilatory assist (NAVA) improves patient-ventilator synchrony during invasive ventilation and leads to lower peak inspiratory pressures (PIP) and oxygen requirements. The aim of this trial was to compare NAVA with current standard ventilation in preterm infants in terms of the duration of invasive ventilation. Sixty infants born between 28 + 0 and 36 + 6 weeks of gestation and requiring invasive ventilation due to neonatal respiratory distress syndrome (RDS) were randomized to conventional ventilation or NAVA...
September 2016: European Journal of Pediatrics
https://www.readbyqxmd.com/read/27502103/bosentan-as-adjunctive-therapy-for-persistent-pulmonary-hypertension-of-the-newborn-results-of-the-randomized-multicenter-placebo-controlled-exploratory-trial
#10
Robin H Steinhorn, Jeffrey Fineman, Andjela Kusic-Pajic, Peter Cornelisse, Martine Gehin, Pegah Nowbakht, Christine M Pierce, Maurice Beghetti
OBJECTIVE: To evaluate the efficacy, safety, and pharmacokinetics of the endothelin receptor antagonist bosentan as adjunctive therapy for neonates with persistent pulmonary hypertension of the newborn (PPHN). STUDY DESIGN: This was a phase 3, multicenter, randomized, placebo-controlled exploratory trial (FUTURE-4). Eligible patients were >34 weeks gestation, <7 days old, receiving inhaled nitric oxide (iNO) treatment (≥4 hours), and had persistent respiratory failure (oxygenation index [OI] ≥12)...
October 2016: Journal of Pediatrics
https://www.readbyqxmd.com/read/27490772/management-of-supplemental-oxygen-for-infants-with-persistent-pulmonary-hypertension-of-newborn-a-survey
#11
Deepthi Alapati, Romal Jassar, Thomas H Shaffer
Objective To evaluate practice variations amongst neonatologists regarding oxygen management in neonates with persistent pulmonary hypertension of newborn (PPHN). Study Design An online survey was administered to neonatologists to assess goal oxygenation targets and oxygen titration practices in PPHN. Response variations were assessed and intergroup comparisons performed. Results Thirty-three percent (492) of neonatologists completed the survey. Twenty-eight percent reported using specific oxygen titration guidelines...
August 4, 2016: American Journal of Perinatology
https://www.readbyqxmd.com/read/27480206/effect-of-persistent-pulmonary-hypertension-on-brain-oxygenation-in-asphyxiated-term-newborns-treated-with-hypothermia
#12
Marie-Helene Gagnon, Pia Wintermark
OBJECTIVE: To better understand the impact of persistent pulmonary hypertension (PPHN) on brain oxygenation in term asphyxiated newborns treated with hypothermia. METHODS: The regional cerebral oxygenation saturation (rSO2) measured by near-infrared spectroscopy was compared to pre/post-ductal oxygen saturation and mean arterial blood pressure in three term asphyxiated newborns with documented PPHN during their first 4 days of life while they were being treated with hypothermia...
2016: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/27425626/edn1-gene-variant-is-associated-with-neonatal-persistent-pulmonary-hypertension
#13
Mei Mei, Guoqiang Cheng, Bijun Sun, Lin Yang, Huijun Wang, Jinqiao Sun, Wenhao Zhou
Recent studies have suggested associations between certain genetic variants and susceptibility to persistent pulmonary hypertension of the newborn (PPHN). The aim of the study was to evaluate the association of EDN1, NOS3, ACE and VEGFA genes with PPHN. Neonates with respiratory distress were enrolled in the study, whose gestational age ≥34 weeks, age ≤3 days. They were divided into PPHN and non-PPHN group. The EDN1, NOS3, ACE and VEGFA genes were detected by next-generation sequencing, and the results were validated by Sanger sequencing...
2016: Scientific Reports
https://www.readbyqxmd.com/read/27385414/fatal-vernix-caseosa-aspiration-associated-with-persistent-pulmonary-hypertension-of-the-newborn
#14
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.
July 6, 2016: Pediatric and Developmental Pathology
https://www.readbyqxmd.com/read/27371685/selective-serotonin-reuptake-inhibitor-exposure-constricts-the-mouse-ductus-arteriosus-in-utero
#15
Christopher W Hooper, Cassidy Delaney, Taylor Streeter, Michael T Yarboro, Stanley Poole, Naoko Brown, James C Slaughter, Robert B Cotton, Jeff Reese, Elaine L Shelton
Use of selective serotonin reuptake inhibitors (SSRIs) is common during pregnancy. Fetal exposure to SSRIs is associated with persistent pulmonary hypertension of the newborn (PPHN); however, a direct link between the two has yet to be established. Conversely, it is well known that PPHN can be caused by premature constriction of the ductus arteriosus (DA), a fetal vessel connecting the pulmonary and systemic circulations. We hypothesized that SSRIs could induce in utero DA constriction. Using isolated vessels and whole-animal models, we sought to determine the effects of two commonly prescribed SSRIs, fluoxetine and sertraline, on the fetal mouse DA...
September 1, 2016: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/27354543/hypoxia-and-hyperoxia-potentiate-paf-receptor-mediated-effects-in-newborn-ovine-pulmonary-arterial-smooth-muscle-cells-significance-in-oxygen-therapy-of-pphn
#16
Mona Hanouni, Gilberto Bernal, Shaemion McBride, Vincent Reginald F Narvaez, Basil O Ibe
Platelet-activating factor (PAF) acting via its receptor (PAFR) is implicated in the pathogenesis of persistent pulmonary hypertension of the newborn (PPHN). Effects of long-term oxygen therapy on newborn lung are not well understood; therefore, we studied the effect of oxygen tension on ovine newborn pulmonary artery smooth muscle cells (NBPASMC). Our global hypothesis is that PPHN results from failure of newborn lamb pulmonary system to downregulate PAFR activity or to upregulate vasodilatory cyclic nucleotides (Cnucs) activity...
June 2016: Physiological Reports
https://www.readbyqxmd.com/read/27251312/advances-in-neonatal-pulmonary-hypertension
#17
Robin H Steinhorn
Persistent pulmonary hypertension of the newborn (PPHN) is a surprisingly common event in the neonatal intensive care unit, and affects both term and preterm infants. Recent studies have begun to elucidate the maternal, fetal and genetic risk factors that trigger PPHN. There have been numerous therapeutic advances over the last decade. It is now appreciated that oxygen supplementation, particularly for the goal of pulmonary vasodilation, needs to be approached as a therapy that has risks and benefits. Administration of surfactant or inhaled nitric oxide (iNO) therapy at a lower acuity of illness can decrease the risk of extracorporeal membrane oxygenation/death, progression of disease and duration of hospital stay...
2016: Neonatology
https://www.readbyqxmd.com/read/27225963/the-fetal-circulation-pathophysiology-of-hypoxemic-respiratory-failure-and-pulmonary-hypertension-in-neonates-and-the-role-of-oxygen-therapy
#18
REVIEW
S Lakshminrusimha, O D Saugstad
Neonatal hypoxemic respiratory failure (HRF), a deficiency of oxygenation associated with insufficient ventilation, can occur due to a variety of etiologies. HRF can result when pulmonary vascular resistance (PVR) fails to decrease at birth, leading to persistent pulmonary hypertension of newborn (PPHN), or as a result of various lung disorders including congenital abnormalities such as diaphragmatic hernia, and disorders of transition such as respiratory distress syndrome, transient tachypnea of newborn and perinatal asphyxia...
June 2016: Journal of Perinatology: Official Journal of the California Perinatal Association
https://www.readbyqxmd.com/read/27225960/considerations-in-the-management-of-hypoxemic-respiratory-failure-and-persistent-pulmonary-hypertension-in-term-and-late-preterm-neonates
#19
REVIEW
S Lakshminrusimha, G G Konduri, R H Steinhorn
Recent advances in our understanding of neonatal pulmonary circulation and the underlying pathophysiology of hypoxemic respiratory failure (HRF)/persistent pulmonary hypertension of the newborn (PPHN) have resulted in more effective management strategies. Results from animal studies demonstrate that low alveolar oxygen tension (PAO2) causes hypoxic pulmonary vasoconstriction, whereas an increase in oxygen tension to normoxic levels (preductal arterial partial pressure of oxygen (PaO2) between 60 and 80 mm Hg and/or preductal peripheral capillary oxygen saturation between 90% and 97%) results in effective pulmonary vasodilation...
June 2016: Journal of Perinatology: Official Journal of the California Perinatal Association
https://www.readbyqxmd.com/read/27197931/noninvasive-inhaled-nitric-oxide-for-persistent-pulmonary-hypertension-of-the-newborn-a-single-center-experience
#20
D P Smith, J A Perez
INTRODUCTION: Nitric oxide is a potent, selective pulmonary vasodilator that has been proven to decrease pulmonary vascular resistance and has been part of the treatment arsenal for persistent pulmonary hypertension of the newborn (PPHN). In 2009, the approach to the administration of inhaled nitric oxide (iNO) at Winnie Palmer Hospital for Women and Babies (WPH) changed to emphasize avoiding invasive ventilation while maintaining optimal ventilation to perfusion ratio, avoiding hyperventilation and alkalosis agents, and avoiding hyperoxemia and hyperoxia exposure...
May 19, 2016: Journal of Neonatal-perinatal Medicine
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