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  • 1
    Language: English
    In: Archives of Disease in Childhood - Fetal and Neonatal Edition, 11 September 2015, Vol.100(5), p.F422
    Description: To investigate the occurrence of peri/intraventricular haemorrhage (P/IVH) in preterm infants and its potential association with cerebral regional oxygen saturation (crSO) during the immediate transition.
    Subject(s): Neonatology ; Brain Injury ; Preterm ; Regional Cerebral Oxygenation
    ISSN: 1359-2998
    ISSN: 13592998
    E-ISSN: 1468-2052
    E-ISSN: 14682052
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  • 2
    Language: English
    In: The Journal of pediatrics, June 2016, Vol.173, pp.266-266
    Description: To link to full-text access for this article, visit this link: http://dx.doi.org/10.1016/j.jpeds.2016.01.067 Byline: Bernhard Schwaberger, Gerhard Pichler, Berndt Urlesberger Author Affiliation: Research Unit for Cerebral Development and Oximetry Research, Medical University of Graz, Graz, Austria Division of Neonatology, Department of Pediatrics and Adolescent Medicine, Medical University of Graz, Graz, Austria
    Subject(s): Cerebral Autoregulation ; Transition Period ; Cerebral Blood Volume ; Regional Cerebral Oxygenation (Rcso2) ; Oxygen Delivery ; Cerebral Autoregulation ; Transition Period ; Cerebral Blood Volume ; Regional Cerebral Oxygenation (Rcso2) ; Oxygen Delivery ; Medicine
    ISSN: 0022-3476
    E-ISSN: 1097-6833
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  • 3
    In: Acta Paediatrica, June 2018, Vol.107(6), pp.952-957
    Description: To purchase or authenticate to the full-text of this article, please visit this link: http://onlinelibrary.wiley.com/doi/10.1111/apa.14239/abstract Byline: Nariae Baik-Schneditz, Berndt Urlesberger, Bernhard Schwaberger, Lukas Mileder, Georg Schmolzer, Alexander Avian, Gerhard Pichler Keywords: Neonatal resuscitation; Neonatal transition; Preterm infants; Tactile stimulation; Term infants Abstract Aim This study analysed tactile stimulation during neonatal transition and resuscitation in preterm and term neonates born by Caesarean delivery. It examined the frequency, location and body region, duration and possible effects of stimulation on heart rate and arterial oxygen saturation (SpO.sub.2). Methods Two independent investigators analysed video recordings of tactile stimulation on term and preterm neonates during neonatal transition from January 2012 to December 2014. They were recorded during a prospective observational study and randomised controlled trial at a tertiary centre, the Medical University of Graz, Austria. SpO.sub.2 and heart rate were continuously recorded. Data on the frequency, body region and duration of stimulation were collected. To investigate the possible effects of stimulation, SpO.sub.2 and heart rate were compared before and after stimulation. Results Term infants received tactile stimulation more than once, and it tended to start later, last longer and be applied in more locations than in preterm infants. Only preterm infants showed a significant increase in SpO.sub.2 after stimulation and heart rates did not show any significant changes in either group. Conclusion Tactile stimulation was applied in different ways to preterm and term infants during neonatal transition and SpO.sub.2 showed a significant increase in preterm infants.
    Subject(s): Neonatal Resuscitation ; Neonatal Transition ; Preterm Infants ; Tactile Stimulation ; Term Infants
    ISSN: 0803-5253
    E-ISSN: 1651-2227
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  • 4
    In: Acta paediatrica (Oslo, Norway : 1992), 1 January 2015, Vol.104(1), pp.32-37
    Description: AimThis prospective observational studyinvestigated if N-terminal pro-brain natriuretic peptide(NT-proBNP), a cardiac biomarker,correlatedwithcerebral tissue oxygen saturation (crSO2) in preterm infants on their first day of life.Methods Using near infrared spectroscopy (NIRS), crSO2was measured on the right forehead of preterm infants for 24 hours. We alsorecordedarterial oxygen saturation (SpO2) and calculated fractional tissue oxygen extraction (cFTOE) values. At the end of the NIRS measurement,blood was taken to analyse NT-proBNP. Mean values forthe 24-hour period were calculated for crSO2, cFTOE, SpO2 and these values were correlated to NT-proBNP.An echocardiography was performed in all infants during the measurement period.ResultsWe analysed35preterm neonates (33±2 weeks, 1965±523g). NIRS measurements started at 3±1 hours and blood samples were taken at 24±5 hours postnatal. Echocardiography showed an open ductus arteriosus in all infants.Mean NT-proBNP was 4978±3566pg/mL, crSO2 was 76±8% and cFTOEwas 0.20±0.08. NT-proBNP correlated negatively with crSO2 (r=-0.75; p=〈0.001) and positively with cFTOE (r=0.731; p=〈0.001).Conclusion These results emphasise that crSO2 is influenced by cardiac function, in addition to oxygen consumption, arterial oxygen saturation and vascular resistance,and this can be measured by NT-proBNP.This article is protected by copyright. All rights reserved.
    Subject(s): Cardiac Biomarker ; Cardiac Output ; Cerebral Tissue Oxygen Saturation ; N-Terminal Probrain Natriuretic Peptide ; Preterm Neonates
    ISSN: 16512227
    E-ISSN: 16512227
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  • 5
    In: Acta Paediatrica, January 2015, Vol.104(1), pp.32-37
    Description: To purchase or authenticate to the full-text of this article, please visit this link: http://onlinelibrary.wiley.com/doi/10.1111/apa.12828/abstract Byline: Corinna Binder-Heschl, Berndt Urlesberger, Martin Koestenberger, Bernhard Schwaberger,Georg M. Schmolzer, Gerhard Pichler Keywords: Cardiac biomarker; Cardiac output; Cerebral tissue oxygen saturation; N-terminal probrain natriuretic peptide; Preterm neonates Abstract Aim This prospective observational study investigated if N-terminal probrain natriuretic peptide (NT-proBNP), a cardiac biomarker, correlated with cerebral tissue oxygen saturation (crSO2) in preterm infants on their first day of life. Methods Using near infrared spectroscopy (NIRS), crSO.sub.2 was measured on the right forehead of preterm infants for 24 h. We also recorded arterial oxygen saturation (SpO.sub.2) and calculated fractional tissue oxygen extraction (cFTOE) values. At the end of the NIRS measurement, blood was taken to analyse NT-proBNP. Mean values for the 24-h period were calculated for crSO.sub.2, cFTOE, SpO.sub.2 and these values were correlated to NT-proBNP. An echocardiography was performed in all infants during the measurement period. Results We analysed 35 preterm neonates (33 [+ or -] 2 weeks, 1965 [+ or -] 523 g). NIRS measurements started at 3 [+ or -] 1 h and blood samples were taken at 24 [+ or -] 5 h postnatal. Echocardiography showed an open ductus arteriosus in all infants. Mean NT-proBNP was 4978 [+ or -] 3566 pg/mL, crSO.sub.2 was 76 [+ or -] 8%, and cFTOE was 0.20 [+ or -] 0.08. NT-proBNP correlated negatively with crSO.sub.2 (r = -0.75; p [less than or equal to] 0.001) and positively with cFTOE (r = 0.731; p [less than or equal to] 0.001). Conclusion These results emphasise that crSO2 is influenced by cardiac function, in addition to oxygen consumption, arterial oxygen saturation and vascular resistance, and this can be measured by NT-proBNP.
    Subject(s): Cardiac Biomarker ; Cardiac Output ; Cerebral Tissue Oxygen Saturation ; N‐Terminal Probrain Natriuretic Peptide ; Preterm Neonates
    ISSN: 0803-5253
    E-ISSN: 1651-2227
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  • 6
    Language: English
    In: PloS one, 01 January 2015, Vol.10(9), p.e0138964
    Description: Sustained lung inflations (SLI) during neonatal resuscitation may promote alveolar recruitment in preterm infants. While most of the studies focus on respiratory outcome, the impact of SLI on the brain hasn't been investigated yet.Do SLI affect cerebral blood volume (CBV) in preterm infants?Preterm infants of gestation 28 weeks 0 days to 33 weeks 6 days with requirement for respiratory support (RS) were included in this randomized controlled pilot trial. Within the first 15 minutes after birth near-infrared spectroscopy (NIRS) measurements using 'NIRO-200-NX' (Hamamatsu, Japan) were performed to evaluate changes in CBV and cerebral tissue oxygenation. Two groups were compared based on RS: In SLI group RS was given by applying 1-3 SLI (30 cmH2O for 15 s) continued by respiratory standard care. Control group received respiratory standard care only.40 infants (20 in each group) with mean gestational age of 32 weeks one day (±2 days) and birth weight of 1707 (±470) g were included....
    Subject(s): Sciences (General)
    E-ISSN: 1932-6203
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  • 7
    Language: English
    In: The Journal of pediatrics, March 2016, Vol.170, pp.73-78.e4
    Description: To assess if monitoring of cerebral regional tissue oxygen saturation (crSO2) using near-infrared spectroscopy (NIRS) to guide respiratory and supplemental oxygen support reduces burden of cerebral hypoxia and hyperoxia in preterm neonates during resuscitation after birth. Preterm neonates 34+0 weeks of gestation were included in a prospective randomized controlled pilot feasibility study at 2 tertiary level neonatal intensive care units. In a NIRS-visible group, crSO2 monitoring in addition to pulse oximetry was used to guide respiratory and supplemental oxygen support during the first 15 minutes after birth. In a NIRS-not-visible group, only pulse oximetry was used. The primary outcomes were burden of cerebral hypoxia (10th percentile) or hyperoxia (90th percentile) measured in %minutes crSO2 during the first 15 minutes after birth. Secondary outcomes were all cause of mortality and/or cerebral injury and neurologic outcome at term age. Allocation...
    Subject(s): %Minutes ; Crso2 ; Fio2 ; Ftoe ; Hr ; IVH ; NIRS ; Spo2 ; Medicine
    ISSN: 0022-3476
    E-ISSN: 1097-6833
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  • 8
    Language: English
    In: PloS one, 01 January 2014, Vol.9(12), p.e114504
    Description: To describe temporal changes in systolic, diastolic, and mean blood pressure (SBP, DBP, and MBP, respectively) in term and preterm infants immediately after birth.Prospective observational two-center study. In term infants SBP, DBP, and MBP were assessed non-invasively every minute for the first 15 minutes, and in preterm infants every minute for the first 15 minutes, as well as at 20, 25, 30, 45, and 60 minutes after birth. Regression analyses were performed by gender and respiratory support in all neonates; and by mode of delivery, cord clamping time, and development of ultrasound-detected brain injury in preterm neonates.Term infants (n = 54) had a mean (SD) birth weight of 3298 (442) g and gestational age of 38 (1) weeks, and preterm infants (n = 94) weighed 1340 (672) g and were 30 (3) weeks gestation. Term infants' SBP, DBP and MBP within the first 15 minutes after birth were independent of gender or respiratory support. Linear mixed regression analysis showed that preterm...
    Subject(s): Sciences (General)
    ISSN: 13205358
    E-ISSN: 1932-6203
    E-ISSN: 14401797
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  • 9
    Language: English
    In: Physiological Measurement, 2014, Vol.35(10), pp.2085-2099
    Description: Near-infrared spectroscopy (NIRS) enables continuous non-invasive measurements of regional oxygen saturation (rSO 2 ). The aim was to evaluate the dynamics of rSO 2 of the brain, preductal and postductal tissues during postnatal transition in preterm infants with and without respiratory support (RS). This single-centre study was designed as an exploratory prospective observational study. Fifty one preterm infants (≥ 30 + 0 and 〈 37 + 0 weeks) delivered by caesarean section were included. RS using a T-Piece-Resuscitator and supplemental oxygen were given according to guidelines. NIRS measurements were carried out by using Invos Monitor (Covidien; USA) for the first 15 min of life. Three NIRS transducers were attached on the forehead (rSO 2 brain), the right forearm (rSO 2 arm) and the left lower leg (rSO 2 leg). Two groups were compared based on need for RS: normal transition (NT) and RS group. Results: In NT group rSO 2 brain increased over time and was significantly higher than rSO 2 arm, whereas in RS group rSO 2 brain and rSO 2 arm increased without significant differences. Courses of rSO 2 arm and rSO 2 leg increased over time and showed a converging pattern with initially lower values of rSO 2 leg in NT group and a diverging pattern with lower levels of rSO 2 leg in RS group. Overall, rSO 2 levels were higher in NT compared to RS group. Conclusion: Our findings indicate that the decreased rSO 2 levels in RS group compared to NT group are not only caused by lower arterial oxygen saturation levels, but also by a compromised perfusion even in infants with only mild respiratory distress.
    Subject(s): Sauerstoffzufuhr ; Sauerstoffsättigung ; Sauerstoff ; Infrarotspektroskopie ; Stirn ; Messung ; Medicine ; Engineering ; Physics;
    ISSN: 0967-3334
    E-ISSN: 1361-6579
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  • 10
    Language: English
    In: Neonatology, February 2015, Vol.107(2), pp.100-107
    Description: Background: The fetal-to-neonatal transition is a complex process that includes changes in cardiac and respiratory systems. Objective: The aim of this study is to review the different methods of cardiocirculatory monitoring during the immediate neonatal transition period. Methods: A systematic search of PubMed and Ovid Embase was performed using the following terms: infant, newborn, newborn infant, neonate, neonates, heart, cardiac, blood pressure, haemodynamic, hemodynamics, blood circulation, circulation, echocardiography, ultrasonography, sonography, electrocardiography, ECG, oximetry, pulse, pulse oximetry, monitoring, measurement, acclimatization, adaptation, transition, after birth and delivery room. Additional articles were identified by manual search of cited references. Only human studies describing cardiocirculatory monitoring during the first 15 min after birth were included. Results: Thirteen studies were identified that described heart rate (HR). Additional five studies were identified that measured blood pressure. Four studies performed functional echocardiography during neonatal transition; two in addition to blood pressure monitoring and three in addition to HR monitoring. Conclusion: Routine HR monitoring using electrocardiography or pulse oximetry is used to evaluate adequate hemodynamic transition, and reference ranges have been established. Measuring blood pressure noninvasively though noncontinuously might be of some value in future, considering that the normative data have been established recently. Echocardiographic monitoring during the immediate transition period will improve the knowledge about cardiac function changes, but introduction in clinical routine remains questionable. © 2014 S. Karger AG, Basel
    Subject(s): Review ; Neonate ; Transition ; Heart ; Circulation ; Heart Rate ; Blood Pressure ; Cardiac Function ; Medicine
    ISSN: 1661-7800
    E-ISSN: 1661-7819
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