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For: Lara-Cantón I, Solaz A, Parra-Llorca A, García-Robles A, Vento M. Optimal Inspired Fraction of Oxygen in the Delivery Room for Preterm Infants. Children (Basel) 2019;6:E29. [PMID: 30791491 DOI: 10.3390/children6020029] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 01/29/2019] [Revised: 02/13/2019] [Accepted: 02/18/2019] [Indexed: 11/20/2022]

For:	Lara-Cantón I, Solaz A, Parra-Llorca A, García-Robles A, Vento M. Optimal Inspired Fraction of Oxygen in the Delivery Room for Preterm Infants. Children (Basel) 2019;6:E29. [PMID: 30791491 DOI: 10.3390/children6020029] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 01/29/2019] [Revised: 02/13/2019] [Accepted: 02/18/2019] [Indexed: 11/20/2022]

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Cited by Other Article(s)

Moretti C, Gizzi C, Gagliardi L, Petrillo F, Ventura ML, Trevisanuto D, Lista G, Dellacà RL, Beke A, Buonocore G, Charitou A, Cucerea M, Filipović-Grčić B, Jeckova NG, Koç E, Saldanha J, Sanchez-Luna M, Stoniene D, Varendi H, Vertecchi G, Mosca F. A Survey of the Union of European Neonatal and Perinatal Societies on Neonatal Respiratory Care in Neonatal Intensive Care Units. CHILDREN (BASEL, SWITZERLAND) 2024;11:158. [PMID: 38397269 PMCID: PMC10887601 DOI: 10.3390/children11020158] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/22/2023] [Revised: 01/19/2024] [Accepted: 01/24/2024] [Indexed: 02/25/2024]

Abstract

(1) Background: Our survey aimed to gather information on respiratory care in Neonatal Intensive Care Units (NICUs) in the European and Mediterranean region. (2) Methods: Cross-sectional electronic survey. An 89-item questionnaire focusing on the current modes, devices, and strategies employed in neonatal units in the domain of respiratory care was sent to directors/heads of 528 NICUs. The adherence to the "European consensus guidelines on the management of respiratory distress syndrome" was assessed for comparison. (3) Results: The response rate was 75% (397/528 units). In most Delivery Rooms (DRs), full resuscitation is given from 22 to 23 weeks gestational age. A T-piece device with facial masks or short binasal prongs are commonly used for respiratory stabilization. Initial FiO2 is set as per guidelines. Most units use heated humidified gases to prevent heat loss. SpO2 and ECG monitoring are largely performed. Surfactant in the DR is preferentially given through Intubation-Surfactant-Extubation (INSURE) or Less-Invasive-Surfactant-Administration (LISA) techniques. DR caffeine is widespread. In the NICUs, most of the non-invasive modes used are nasal CPAP and nasal intermittent positive-pressure ventilation. Volume-targeted, synchronized intermittent positive-pressure ventilation is the preferred invasive mode to treat acute respiratory distress. Pulmonary recruitment maneuvers are common approaches. During NICU stay, surfactant administration is primarily guided by FiO2 and SpO2/FiO2 ratio, and it is mostly performed through LISA or INSURE. Steroids are used to facilitate extubation and prevent bronchopulmonary dysplasia. (4) Conclusions: Overall, clinical practices are in line with the 2022 European Guidelines, but there are some divergences. These data will allow stakeholders to make comparisons and to identify opportunities for improvement.

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Affiliation(s)

Corrado Moretti Department of Pediatrics, Policlinico Umberto I, Sapienza University, 00185 Rome, Italy Union of European Neonatal and Perinatal Societies (UENPS), 20143 Milan, Italy; (C.G.); (G.L.); (A.B.); (G.B.); (A.C.); (M.C.); (B.F.-G.); (N.G.J.); (E.K.); (J.S.); (M.S.-L.); (D.S.); (G.V.)
Camilla Gizzi Union of European Neonatal and Perinatal Societies (UENPS), 20143 Milan, Italy; (C.G.); (G.L.); (A.B.); (G.B.); (A.C.); (M.C.); (B.F.-G.); (N.G.J.); (E.K.); (J.S.); (M.S.-L.); (D.S.); (G.V.) Department of Neonatology and NICU, Ospedale Sant’Eugenio, 00144 Rome, Italy
Luigi Gagliardi Division of Neonatology and Pediatrics, Ospedale Versilia, 55043 Viareggio, Italy;
Flavia Petrillo Maternal and Child Department ASL Bari, Ospedale di Venere, 70131 Bari, Italy;
Maria Luisa Ventura Neonatal Intensive Care Unit, Fondazione IRCCS San Gerardo dei Tintori, 20900 Monza, Italy;
Daniele Trevisanuto Department of Woman’s and Child’s Health, University of Padova, 35122 Padova, Italy;
Gianluca Lista Union of European Neonatal and Perinatal Societies (UENPS), 20143 Milan, Italy; (C.G.); (G.L.); (A.B.); (G.B.); (A.C.); (M.C.); (B.F.-G.); (N.G.J.); (E.K.); (J.S.); (M.S.-L.); (D.S.); (G.V.) Division of Pediatrics, Neonatal Intensive Care Unit and Neonatology, Ospedale dei Bambini “V.Buzzi”, ASST FBF SACCO, 20154 Milan, Italy
Raffaele L. Dellacà TechRes Lab, Department of Electronics, Information and Biomedical Engineering (DEIB), Politecnico di Milano University, 20133 Milan, Italy;
Artur Beke Union of European Neonatal and Perinatal Societies (UENPS), 20143 Milan, Italy; (C.G.); (G.L.); (A.B.); (G.B.); (A.C.); (M.C.); (B.F.-G.); (N.G.J.); (E.K.); (J.S.); (M.S.-L.); (D.S.); (G.V.) 1st Department of Obstetrics and Gynecology, Semmelweis University, 1085 Budapest, Hungary
Giuseppe Buonocore Union of European Neonatal and Perinatal Societies (UENPS), 20143 Milan, Italy; (C.G.); (G.L.); (A.B.); (G.B.); (A.C.); (M.C.); (B.F.-G.); (N.G.J.); (E.K.); (J.S.); (M.S.-L.); (D.S.); (G.V.) Department of Pediatrics, Università degli Studi di Siena, 53100 Siena, Italy
Antonia Charitou Union of European Neonatal and Perinatal Societies (UENPS), 20143 Milan, Italy; (C.G.); (G.L.); (A.B.); (G.B.); (A.C.); (M.C.); (B.F.-G.); (N.G.J.); (E.K.); (J.S.); (M.S.-L.); (D.S.); (G.V.) Department of Pediatrics, Rea Maternity Hospital, 17564 Athens, Greece
Manuela Cucerea Union of European Neonatal and Perinatal Societies (UENPS), 20143 Milan, Italy; (C.G.); (G.L.); (A.B.); (G.B.); (A.C.); (M.C.); (B.F.-G.); (N.G.J.); (E.K.); (J.S.); (M.S.-L.); (D.S.); (G.V.) Neonatology Department, University of Medicine Pharmacy Sciences and Technology “George Emil Palade”, 540142 Târgu Mures, Romania
Boris Filipović-Grčić Union of European Neonatal and Perinatal Societies (UENPS), 20143 Milan, Italy; (C.G.); (G.L.); (A.B.); (G.B.); (A.C.); (M.C.); (B.F.-G.); (N.G.J.); (E.K.); (J.S.); (M.S.-L.); (D.S.); (G.V.) Department of Pediatrics, University of Zagreb School of Medicine, 10000 Zagreb, Croatia
Nelly Georgieva Jeckova Union of European Neonatal and Perinatal Societies (UENPS), 20143 Milan, Italy; (C.G.); (G.L.); (A.B.); (G.B.); (A.C.); (M.C.); (B.F.-G.); (N.G.J.); (E.K.); (J.S.); (M.S.-L.); (D.S.); (G.V.) Department of Pediatrics, University Hospital “Majchin Dom”, 1483 Sofia, Bulgaria
Esin Koç Union of European Neonatal and Perinatal Societies (UENPS), 20143 Milan, Italy; (C.G.); (G.L.); (A.B.); (G.B.); (A.C.); (M.C.); (B.F.-G.); (N.G.J.); (E.K.); (J.S.); (M.S.-L.); (D.S.); (G.V.) Division of Neonatology, Department of Pediatrics, School of Medicine, Gazi University, 06570 Ankara, Turkey
Joana Saldanha Union of European Neonatal and Perinatal Societies (UENPS), 20143 Milan, Italy; (C.G.); (G.L.); (A.B.); (G.B.); (A.C.); (M.C.); (B.F.-G.); (N.G.J.); (E.K.); (J.S.); (M.S.-L.); (D.S.); (G.V.) Neonatology Division, Department of Pediatrics, Hospital Beatriz Ângelo, 2674-514 Loures, Portugal
Manuel Sanchez-Luna Union of European Neonatal and Perinatal Societies (UENPS), 20143 Milan, Italy; (C.G.); (G.L.); (A.B.); (G.B.); (A.C.); (M.C.); (B.F.-G.); (N.G.J.); (E.K.); (J.S.); (M.S.-L.); (D.S.); (G.V.) Neonatology Division, Department of Pediatrics, Hospital General Universitario “Gregorio Marañón”, 28007 Madrid, Spain
Dalia Stoniene Union of European Neonatal and Perinatal Societies (UENPS), 20143 Milan, Italy; (C.G.); (G.L.); (A.B.); (G.B.); (A.C.); (M.C.); (B.F.-G.); (N.G.J.); (E.K.); (J.S.); (M.S.-L.); (D.S.); (G.V.) Department of Pediatrics, Lithuanian University of Health Sciences, LT-50161 Kaunas, Lithuania
Heili Varendi Union of European Neonatal and Perinatal Societies (UENPS), 20143 Milan, Italy; (C.G.); (G.L.); (A.B.); (G.B.); (A.C.); (M.C.); (B.F.-G.); (N.G.J.); (E.K.); (J.S.); (M.S.-L.); (D.S.); (G.V.) Department of Paediatrics, University of Tartu, Tartu University Hospital, 50406 Tartu, Estonia
Giulia Vertecchi Union of European Neonatal and Perinatal Societies (UENPS), 20143 Milan, Italy; (C.G.); (G.L.); (A.B.); (G.B.); (A.C.); (M.C.); (B.F.-G.); (N.G.J.); (E.K.); (J.S.); (M.S.-L.); (D.S.); (G.V.)
Fabio Mosca Department of Pediatrics, Fondazione IRCCS Cà Granda Ospedale Maggiore Policlinico, 20122 Milan, Italy; Department of Clinical Sciences and Community Health, University of Milan, 20133 Milan, Italy

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Gizzi C, Gagliardi L, Trevisanuto D, Ghirardello S, Di Fabio S, Beke A, Buonocore G, Charitou A, Cucerea M, Degtyareva MV, Filipović-Grčić B, Jekova NG, Koç E, Saldanha J, Luna MS, Stoniene D, Varendi H, Calafatti M, Vertecchi G, Mosca F, Moretti C. Variation in delivery room management of preterm infants across Europe: a survey of the Union of European Neonatal and Perinatal Societies. Eur J Pediatr 2023;182:4173-4183. [PMID: 37436521 DOI: 10.1007/s00431-023-05107-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/08/2023] [Revised: 07/04/2023] [Accepted: 07/06/2023] [Indexed: 07/13/2023]

Abstract

The aim of the present study, endorsed by the Union of European Neonatal and Perinatal Societies (UENPS) and the Italian Society of Neonatology (SIN), was to analyze the current delivery room (DR) stabilization practices in a large sample of European birth centers that care for preterm infants with gestational age (GA) < 33 weeks. Cross-sectional electronic survey was used in this study. A questionnaire focusing on the current DR practices for infants < 33 weeks' GA, divided in 6 neonatal resuscitation domains, was individually sent to the directors of European neonatal facilities, made available as a web-based link. A comparison was made between hospitals grouped into 5 geographical areas (Eastern Europe (EE), Italy (ITA), Mediterranean countries (MC), Turkey (TUR), and Western Europe (WE)) and between high- and low-volume units across Europe. Two hundred and sixty-two centers from 33 European countries responded to the survey. At the time of the survey, approximately 20,000 very low birth weight (VLBW, < 1500 g) infants were admitted to the participating hospitals, with a median (IQR) of 48 (27-89) infants per center per year. Significant differences between the 5 geographical areas concerned: the volume of neonatal care, ranging from 86 (53-206) admitted VLBW infants per center per year in TUR to 35 (IQR 25-53) in MC; the umbilical cord (UC) management, being the delayed cord clamping performed in < 50% of centers in EE, ITA, and MC, and the cord milking the preferred strategy in TUR; the spotty use of some body temperature control strategies, including thermal mattress mainly employed in WE, and heated humidified gases for ventilation seldom available in MC; and some of the ventilation practices, mainly in regard to the initial FiO2 for < 28 weeks' GA infants, pressures selected for ventilation, and the preferred interface to start ventilation. Specifically, 62.5% of TUR centers indicated the short binasal prongs as the preferred interface, as opposed to the face mask which is widely adopted as first choice in > 80% of the rest of the responding units; the DR surfactant administration, which ranges from 44.4% of the birth centers in MC to 87.5% in WE; and, finally, the ethical issues around the minimal GA limit to provide full resuscitation, ranging from 22 to 25 weeks across Europe. A comparison between high- and low-volume units showed significant differences in the domains of UC management and ventilation practices. Conclusion: Current DR practice and ethical choices show similarities and divergences across Europe. Some areas of assistance, like UC management and DR ventilation strategies, would benefit of standardization. Clinicians and stakeholders should consider this information when allocating resources and planning European perinatal programs. What is Known: • Delivery room (DR) support of preterm infants has a direct influence on both immediate survival and long-term morbidity. • Resuscitation practices for preterm infants often deviate from the internationally defined algorithms. What is New: • Current DR practice and ethical choices show similarities and divergences across Europe. Some areas of assistance, like UC management and DR ventilation strategies, would benefit of standardization. • Clinicians and stakeholders should consider this information when allocating resources and planning European perinatal programs.

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Affiliation(s)

Camilla Gizzi Department of Pediatrics and Neonatology, Ospedale Sandro Pertini, Rome, Italy. Union of European Neonatal and Perinatal Societies (UENPS), Milan, Italy.
Luigi Gagliardi Division of Neonatology and Pediatrics, Ospedale Versilia, Viareggio, Azienda USL Toscana Nord Ovest, Pisa, Italy
Daniele Trevisanuto Department of Woman's and Child's Health, University of Padova, Padova, Italy
Stefano Ghirardello Neonatal Intensive Care Unit, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy
Sandra Di Fabio Department of Pediatrics, Ospedale San Salvatore, L'Aquila, Italy
Artur Beke Union of European Neonatal and Perinatal Societies (UENPS), Milan, Italy 1st Department of Obstetrics and Gynecology, Semmelweis University, Budapest, Hungary
Giuseppe Buonocore Union of European Neonatal and Perinatal Societies (UENPS), Milan, Italy Department of Pediatrics, Università degli Studi di Siena, Siena, Italy
Antonia Charitou Union of European Neonatal and Perinatal Societies (UENPS), Milan, Italy Department of Pediatrics, Rea Maternity Hospital, Athens, Greece
Manuela Cucerea Union of European Neonatal and Perinatal Societies (UENPS), Milan, Italy Neonatology Department, University of Medicine Pharmacy Sciences and Technology "George Emil Palade", Târgu Mures, Romania
Marina V Degtyareva Union of European Neonatal and Perinatal Societies (UENPS), Milan, Italy Department of Pediatrics, Pirogov Russian National Research Medical University, Moscow, Russia
Boris Filipović-Grčić Union of European Neonatal and Perinatal Societies (UENPS), Milan, Italy Department of Pediatrics, University of Zagreb School of Medicine, Zagreb, HR, Croatia
Nelly Georgieva Jekova Union of European Neonatal and Perinatal Societies (UENPS), Milan, Italy Department of Pediatrics, University Hospital "Majchin Dom", Sofia, Bulgaria
Esin Koç Union of European Neonatal and Perinatal Societies (UENPS), Milan, Italy Division of Neonatology, Department of Pediatrics, School of Medicine, Gazi University, Ankara, Turkey
Joana Saldanha Union of European Neonatal and Perinatal Societies (UENPS), Milan, Italy Department of Pediatrics, Hospital de Santa Maria, Lisbon, Portugal
Manuel Sanchez Luna Union of European Neonatal and Perinatal Societies (UENPS), Milan, Italy Neonatology Division, Department of Pediatrics, Hospital General Universitario "Gregorio Marañón", Madrid, Spain
Dalia Stoniene Union of European Neonatal and Perinatal Societies (UENPS), Milan, Italy Department of Pediatrics, Lithuanian University of Health Sciences, Kaunas, Lithuania
Heili Varendi Union of European Neonatal and Perinatal Societies (UENPS), Milan, Italy Department of Pediatrics, Tartu University Hospital, Tartu, Estonia
Matteo Calafatti Faculty of Pharmacy and Medicine, Sapienza University of Rome, Rome, Italy
Giulia Vertecchi Union of European Neonatal and Perinatal Societies (UENPS), Milan, Italy
Fabio Mosca Department of Pediatrics, Fondazione IRCCS Cà Granda Ospedale Maggiore Policlinico Milan, Milan, Italy
Corrado Moretti Union of European Neonatal and Perinatal Societies (UENPS), Milan, Italy Department of Pediatrics, Policlinico Umberto I, Sapienza University, Rome, Italy

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Siswanto JE, Dijk PH, Bos AF, Sitorus RS, Adisasmita AC, Ronoatmodjo S, Sauer PJJ. How to prevent ROP in preterm infants in Indonesia? Health Sci Rep 2021;4:e219. [PMID: 33490635 PMCID: PMC7813016 DOI: 10.1002/hsr2.219] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2020] [Revised: 10/21/2020] [Accepted: 11/12/2020] [Indexed: 11/21/2022] Open

Abstract

BACKGROUND AND AIMS

Retinopathy of prematurity (ROP) is a severe disease in preterm infants. It is seen more frequently in Low-Middle Income Countries (LMIC) like Indonesia compared to High-Income Countries (HIC). Risk factors for ROP development are -extreme- preterm birth, use of oxygen, neonatal infections, respiratory problems, inadequate nutrition, and blood and exchange transfusions. In this paper, we give an overview of steps that can be taken in LMIC to prevent ROP and provide guidelines for screening and treating ROP.

METHODS

Based on the literature search and data obtained by us in Indonesia's studies, we propose guidelines for the prevention, screening, and treatment of ROP in preterm infants in LMIC.

RESULTS

Prevention of ROP starts before birth with preventing preterm labor, transferring a mother who might deliver <32 weeks to a perinatal center and giving corticosteroids to mothers that might deliver <34 weeks. Newborn resuscitation must be done using room air or, in the case of very preterm infants (<29-32 weeks) by using 30% oxygen. Respiratory problems must be prevented by starting continuous positive airway pressure (CPAP) in all preterm infants <32 weeks and in case of respiratory problems in more mature infants. If needed, the surfactant should be given in a minimally invasive manner, as ROP's lower incidence was found using this technique. The use of oxygen must be strictly regulated with a saturation monitor of 91-95%. Infections must be prevented as much as possible. Both oral and parenteral nutrition should be started in all preterm infants on day one of life with preferably mothers' milk. Blood transfusions can be prevented by reducing the amount of blood needed for laboratory analysis.

DISCUSSION

Preterm babies should be born in facilities able to care for them optimally. The use of oxygen must be strictly regulated. ROP screening is mandatory in infants born <34 weeks, and infants who received supplemental oxygen for a prolonged period. In case of progression of ROP, immediate mandatory treatment is required.

CONCLUSION

Concerted action is needed to reduce the incidence of ROP in LMIC. "STOP - R1O2P3" is an acronym that can help implement standard practices in all neonatal intensive care units in LMIC to prevent development and progression.

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Martini S, Frabboni G, Rucci P, Czosnyka M, Smielewski P, Galletti S, Cimatti AG, Faldella G, Corvaglia L, Austin T. Cardiovascular and cerebrovascular responses to cardio-respiratory events in preterm infants during the transitional period. J Physiol 2020;598:4107-4119. [PMID: 32592405 DOI: 10.1113/jp279730] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2020] [Accepted: 06/16/2020] [Indexed: 12/27/2022] Open

Abstract

KEY POINTS

Non-invasive simultaneous multiparametric monitoring allows the in vivo evaluation of cerebral and cardiovascular haemodynamic responses to different types of recurrent episodes of intermittent hypoxia and/or bradycardia, also defined as cardio-respiratory events (CRE), in preterm neonates during postnatal transition. By decreasing left cardiac output, bradycardia further contributes to cerebral hypoxia during CRE. The presence of a haemodynamically significant patent ductus arteriosus results in a deeper impairment of cerebral oxygen status in response to CRE, whereas the brain-sparing remodelling of the fetal circulation resulting from placental insufficiency is associated with more favourable haemodynamic responses to intermittent hypoxia. During transition, the haemodynamic impact of CRE is influenced not only by the event type, but also by specific clinical features; this highlights the importance of developing individualized approaches to reduce the hypoxic burden in this delicate phase.

ABSTRACT

The present observational prospective study aimed to investigate cerebral and cardiovascular haemodynamic responses to different types of cardio-respiratory events (CRE) in preterm infants during postnatal transition, as well as evaluate the impact of relevant clinical characteristics. Infants with gestational age (GA) <32 weeks and/or birth weight <1500 g were enrolled after birth. Cerebral oxygenation index (cTOI), fractional oxygen extraction (cFTOE), cardiac output (CO), cardiac contractility (iCON) and systemic vascular resistances (sVR) were simultaneously monitored over the first 72 h by near-infrared spectroscopy and electrical velocimetry. CRE were clustered into isolated bradycardia (IB), isolated desaturation (ID) and combined desaturation/bradycardia (DB). For each parameter, percentage changes from baseline (%Δ) were calculated. The impact of different CRE types and clinical variables on %Δ was evaluated with generalized estimating equations. In total, 1426 events were analysed. %ΔcTOI significantly differed among ID, IB and DB (P < 0.001), with the latter showing the greatest drop. %ΔcFTOE decreased significantly during DB (P < 0.001) and ID (P < 0.001) compared to IB. DB and IB were associated with more negative %ΔCO (P < 0.001) and more positive %ΔsVR (P < 0.001) compared to ID. A slight iCON reduction was observed during DB compared to ID (P = 0.043). Antenatal umbilical Doppler impairment, GA and the presence of a haemodynamically significant patent ductus arteriosus had a significant independent impact on %ΔcTOI, %ΔcFTOE and %ΔCO. During the transitional period, the haemodynamic responses to CRE are influenced by the event type and by specific neonatal characteristics, suggesting the importance of targeted individualized approaches for minimizing the risk of cerebral injury in the preterm population.

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Lorente-Pozo S, Parra-Llorca A, Lara-Cantón I, Solaz A, García-Jiménez JL, Pallardó FV, Vento M. Oxygen in the neonatal period: Oxidative stress, oxygen load and epigenetic changes. Semin Fetal Neonatal Med 2020;25:101090. [PMID: 32014366 DOI: 10.1016/j.siny.2020.101090] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]

Wedgwood S, Steinhorn RH, Lakshminrusimha S. Optimal oxygenation and role of free radicals in PPHN. Free Radic Biol Med 2019;142:97-106. [PMID: 30995536 PMCID: PMC6761018 DOI: 10.1016/j.freeradbiomed.2019.04.001] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/12/2019] [Accepted: 04/01/2019] [Indexed: 02/07/2023]