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1.
BMJ Open ; 13(7): e070272, 2023 07 24.
Artigo em Inglês | MEDLINE | ID: mdl-37487676

RESUMO

INTRODUCTION: Many extremely preterm newborns develop anaemia requiring a transfusion, with most receiving three to five transfusions during their admission. While transfusions save lives, the potential for transfusion-related adverse outcomes is an area of growing concern. Transfusion is an independent predictor of death and is associated with increased morbidity, length of hospital stay, risk of infection and immune modulation. The underlying mechanisms include adverse pro-inflammatory and immunosuppressive responses. Evidence supports an association between transfusion of washed red cells and fewer post-transfusion complications potentially through removal of chemokines, lipids, microaggregates and other biological response modifiers. However, the clinical and cost-effectiveness of washed cells have not been determined. METHODS AND ANALYSIS: This is a multicentre, randomised, double-blinded trial of washed versus unwashed red cells. Infants <28 weeks' gestation requiring a transfusion will be enrolled. Transfusion approaches will be standardised within each study centre and will occur as soon as possible with a recommended fixed transfusion volume of 15 mL/kg whenever the haemoglobin is equal to or falls below a predefined restrictive threshold, or when clinically indicated. The primary outcome is a composite of mortality and/or major morbidity to first discharge home, defined as one or more of the following: physiologically defined bronchopulmonary dysplasia; unilateral or bilateral retinopathy of prematurity grade >2, and; necrotising enterocolitis stage ≥2. To detect a 10% absolute reduction in the composite outcome from 69% with unwashed red blood cell (RBCs) to 59% with washed RBCs with 90% power, requires a sample size of 1124 infants (562 per group). Analyses will be performed on an intention-to-treat basis with a prespecified statistical analysis plan. A cost-effectiveness analysis will also be undertaken. ETHICS AND DISSEMINATION: Ethics approval has been obtained from the Women's and Children's Health Network Human Research Ethics Committee (HREC/12/WCHN/55). The study findings will be disseminated through peer-reviewed articles and conferences. TRIAL REGISTRATION NUMBER: ACTRN12613000237785 Australian New Zealand Clinical Trials Registry.


Assuntos
Saúde da Criança , Saúde da Mulher , Criança , Feminino , Lactente , Recém-Nascido , Humanos , Austrália , Eritrócitos , Transfusão de Sangue , Ensaios Clínicos Controlados Aleatórios como Assunto , Estudos Multicêntricos como Assunto
3.
N Engl J Med ; 386(17): 1627-1637, 2022 04 28.
Artigo em Inglês | MEDLINE | ID: mdl-35476651

RESUMO

BACKGROUND: Neonatal endotracheal intubation often involves more than one attempt, and oxygen desaturation is common. It is unclear whether nasal high-flow therapy, which extends the time to desaturation during elective intubation in children and adults receiving general anesthesia, can improve the likelihood of successful neonatal intubation on the first attempt. METHODS: We performed a randomized, controlled trial to compare nasal high-flow therapy with standard care (no nasal high-flow therapy or supplemental oxygen) in neonates undergoing oral endotracheal intubation at two Australian tertiary neonatal intensive care units. Randomization of intubations to the high-flow group or the standard-care group was stratified according to trial center, the use of premedication for intubation (yes or no), and postmenstrual age of the infant (≤28 or >28 weeks). The primary outcome was successful intubation on the first attempt without physiological instability (defined as an absolute decrease in the peripheral oxygen saturation of >20% from the preintubation baseline level or bradycardia with a heart rate of <100 beats per minute) in the infant. RESULTS: The primary intention-to-treat analysis included the outcomes of 251 intubations in 202 infants; 124 intubations were assigned to the high-flow group and 127 to the standard-care group. The infants had a median postmenstrual age of 27.9 weeks and a median weight of 920 g at the time of intubation. A successful intubation on the first attempt without physiological instability was achieved in 62 of 124 intubations (50.0%) in the high-flow group and in 40 of 127 intubations (31.5%) in the standard-care group (adjusted risk difference, 17.6 percentage points; 95% confidence interval [CI], 6.0 to 29.2), for a number needed to treat of 6 (95% CI, 4 to 17) for 1 infant to benefit. Successful intubation on the first attempt regardless of physiological stability was accomplished in 68.5% of the intubations in the high-flow group and in 54.3% of the intubations in the standard-care group (adjusted risk difference, 15.8 percentage points; 95% CI, 4.3 to 27.3). CONCLUSIONS: Among infants undergoing endotracheal intubation at two Australian tertiary neonatal intensive care units, nasal high-flow therapy during the procedure improved the likelihood of successful intubation on the first attempt without physiological instability in the infant. (Funded by the National Health and Medical Research Council; Australian New Zealand Clinical Trials Registry number, ACTRN12618001498280.).


Assuntos
Intubação Intratraqueal , Oxigenoterapia , Austrália , Procedimentos Cirúrgicos Eletivos , Humanos , Recém-Nascido , Unidades de Terapia Intensiva Neonatal , Intubação Intratraqueal/métodos , Oxigênio/análise , Oxigenoterapia/métodos
4.
Arch Dis Child Fetal Neonatal Ed ; 107(6): 572-576, 2022 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-35410897

RESUMO

OBJECTIVE: To determine whether the use of non-invasive respiratory support, such as continuous positive airway pressure and nasal high flow, to treat term infants in Australian and New Zealand tertiary neonatal intensive care units (NICUs) has changed over time, and if so, whether there are parallel changes in short-term respiratory morbidities. DESIGN: Retrospective database review of patient-level data from the Australian and New Zealand Neonatal Network (ANZNN) from 2010 to 2018. Denominator data on the number of term inborn livebirths in each facility was only available as annual totals. PATIENTS AND SETTING: Term, inborn infants cared for in NICUs within the ANZNN. MAIN OUTCOME MEASURES: The primary outcome was the annual change in hospital-specific rates of non-invasive respiratory support per 1000 inborn livebirths, expressed as a percentage change. Secondary outcomes were the change in rates of mechanical ventilation, pneumothorax requiring drainage, exogenous surfactant treatment and death before hospital discharge. RESULTS: A total of 14 656 term infants from 21 NICUs were included from 2010 to 2018, of whom 12 719 received non-invasive respiratory support. Non-invasive respiratory support use increased on average by 8.7% per year (95% CI: 7.9% to 9.4% per year); the number of term infants receiving non-invasive respiratory support almost doubled from 980 in 2010 (10.8/1000 livebirths) to 1913 in 2018 (20.8/1000). There was no change over time in rate of mechanical ventilation or death. The rate of pneumothorax requiring drainage increased over time, as did surfactant treatment. CONCLUSIONS: Non-invasive respiratory support use to treat term infants cared for in NICUs within the ANZNN is increasing over time. Clinicians should be diligent in selecting infants most likely to benefit from treatment with non-invasive respiratory support in this relatively low-risk population of term newborn infants. Analysis of patient-level data by individual NICUs is recommended to control for potential confounding due to changes in population over time.


Assuntos
Pneumotórax , Síndrome do Desconforto Respiratório do Recém-Nascido , Recém-Nascido , Lactente , Humanos , Estudos Retrospectivos , Austrália/epidemiologia , Nova Zelândia/epidemiologia , Unidades de Terapia Intensiva Neonatal , Tensoativos , Síndrome do Desconforto Respiratório do Recém-Nascido/terapia
5.
Clin Perinatol ; 48(4): 725-744, 2021 12.
Artigo em Inglês | MEDLINE | ID: mdl-34774206

RESUMO

Nasal or noninvaisve intermittent positive pressure ventilation (NIPPV) refers to well-established noninvasive respiratory support strategies combining a continuous distending pressure with intermittent pressure increases. Uncertainty remains regarding the benefits provided by the various devices and techniques used to generate NIPPV. Our included meta-analyses of trials comparing NIPPV with continuous positive airway pressure (CPAP) in preterm infants demonstrate that both primary and postextubation NIPPV are superior to CPAP to prevent respiratory failure leading to additional ventilatory support. This short-term benefit is associated with a reduction in bronchopulmonary dysplasia, but not with mortality. Benefits are greatest when ventilator-generated, synchronized NIPPV is used.


Assuntos
Displasia Broncopulmonar , Ventilação não Invasiva , Síndrome do Desconforto Respiratório do Recém-Nascido , Displasia Broncopulmonar/terapia , Pressão Positiva Contínua nas Vias Aéreas , Humanos , Lactente , Recém-Nascido , Recém-Nascido Prematuro , Ventilação com Pressão Positiva Intermitente , Síndrome do Desconforto Respiratório do Recém-Nascido/terapia
6.
Paediatr Drugs ; 23(6): 565-573, 2021 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-34651279

RESUMO

Deferred consent has gained traction in some countries as a possible adjunct to prospective consent for evaluating emergency therapies in the neonatal population. This form of consent has been shown to increase recruitment of acutely and critically unwell patients, potentially reduce parent decision-making burden, and provide more robust evidence for clinical treatments where equipoise exists. However, deferred consent raises complex ethical concerns and guidelines for its use vary across different jurisdictions. The views of all stakeholders, including neonatal providers and parents, are important in determining the appropriateness of deferred consent in high-risk patients. Deferred consent may be ethically justifiable for assessing various treatments, particularly those used in emergency medical management. We present a framework based on neonatal deferred consent trials that assess both non-drug and drug interventions, our experience conducting deferred consent neonatal studies in Australia, and the views of providers and parents on how to best implement deferred consent in the neonatal research setting.


Assuntos
Consentimento Livre e Esclarecido , Pais , Humanos , Recém-Nascido , Estudos Prospectivos
7.
Semin Perinatol ; 45(8): 151478, 2021 12.
Artigo em Inglês | MEDLINE | ID: mdl-34474939

RESUMO

Despite advances in neonatal intensive care, more than half of surviving infants born extremely preterm (EP; < 28 weeks' gestation) develop bronchopulmonary dysplasia (BPD). Prevention of BPD is critical because of its associated mortality and morbidity, including adverse neurodevelopmental outcomes and respiratory health in later childhood and beyond. The respiratory care of EP infants begins before birth, then continues in the delivery room and throughout the primary hospitalization. This chapter will review the evidence for interventions after birth that might improve outcomes for infants born EP, including the timing of umbilical cord clamping, strategies to avoid or minimize exposure to mechanical ventilation, modes of mechanical ventilation and non-invasive respiratory support, oxygen saturation targets, postnatal corticosteroids and other adjunct therapies.


Assuntos
Displasia Broncopulmonar , Lactente Extremamente Prematuro , Displasia Broncopulmonar/prevenção & controle , Criança , Feminino , Glucocorticoides , Humanos , Lactente , Recém-Nascido , Saturação de Oxigênio , Gravidez , Clampeamento do Cordão Umbilical
8.
Pediatrics ; 148(2)2021 08.
Artigo em Inglês | MEDLINE | ID: mdl-34272343

RESUMO

BACKGROUND: Treating respiratory distress in newborns is expensive. We compared the cost-effectiveness of 2 common noninvasive therapies, nasal continuous positive airway pressure (CPAP) and nasal high-flow (nHF), for newborn infants cared for in nontertiary special care nurseries. METHODS: The economic evaluation was planned alongside a randomized control trial conducted in 9 Australian special care nurseries. Costs were considered from a hospital perspective until infants were 12 months of age. A total of 754 infants with respiratory distress, born ≥31 weeks' gestation and with birth weight ≥1200 g, <24 hours old, requiring noninvasive respiratory support and/or supplemental oxygen for >1 hour were recruited during 2015-2017. Inpatient costing records were obtained for 753 infants, of whom 676 were included in the per-protocol analysis. Two scenarios were considered: (1) CPAP versus nHF, with infants in the nHF group having "rescue" CPAP backup available (trial scenario); and (2) CPAP versus nHF, as sole primary support (hypothetical scenario). Effectiveness outcomes were rate of endotracheal intubation and transfer to a tertiary-level NICU. RESULTS: As sole primary support, CPAP is more effective and on average cheaper, and thus is superior. However, nHF with back-up CPAP produced equivalent cost and effectiveness results, and there is no reason to make a decision between the 2 treatments on the basis of the cost or effectiveness outcomes. CONCLUSIONS: Nontertiary special care nurseries choosing to use only 1 of the modes should choose CPAP. In units with both modes available, using nHF as first-line therapy may be acceptable if there is back-up CPAP.


Assuntos
Pressão Positiva Contínua nas Vias Aéreas/economia , Análise Custo-Benefício , Oxigenoterapia/economia , Síndrome do Desconforto Respiratório do Recém-Nascido/terapia , Feminino , Humanos , Recém-Nascido , Masculino , Nariz , Berçários para Lactentes , Oxigenoterapia/métodos , Estudos Prospectivos
9.
J Paediatr Child Health ; 57(7): 990-997, 2021 07.
Artigo em Inglês | MEDLINE | ID: mdl-33543835

RESUMO

AIM: To identify current 'Golden Hour' practices for initial stabilisation of very preterm infants <32 weeks' gestational age (GA) within tertiary neonatal intensive care units (NICUs) in the Australian and New Zealand Neonatal Network (ANZNN). METHODS: A 76-question survey regarding delivery room (DR) and NICU stabilisation practices was distributed electronically to directors of tertiary perinatal NICUs in the ANZNN in January 2019. Responses were categorised into GA subgroups: 23-24, 25-27 and 28-31 weeks' GA. RESULTS: The response rate was 100% (24/24 units). Delayed cord clamping (DCC) was practised 'always' or 'often' by 21 units (88%). All units used oximetry to target oxygen saturations, and 23/24 (96%) commenced resuscitation in <40% oxygen. Ten units (42%) routinely used DR electrocardiography monitoring. CPAP was preferred as primary respiratory support in one-third of units for infants born 23-24 weeks' GA, compared with 19 units (79%) at 25-27 weeks' GA and 23 units (96%) at 28-31 weeks' GA. DR skin-to-skin care was uncommon, particularly at lower GAs. Five units (21%) used minimally invasive surfactant therapy for non-intubated infants at 23-24 weeks' GA, 13 units (54%) at 25-27 weeks' GA and 16 units (67%) at 28-31 weeks' GA. CONCLUSIONS: Most Golden Hour stabilisation practices align with international guidelines. Consistency exists with respect to DCC, oxygen saturation targeting and primary CPAP use for infants 25 weeks' GA and above. Where evidence is less certain, practices vary across ANZNN NICUs. Time targets for stabilisation measures may help standardise practice for this population.


Assuntos
Recém-Nascido Prematuro , Recém-Nascido de muito Baixo Peso , Austrália , Feminino , Idade Gestacional , Humanos , Lactente , Recém-Nascido , Unidades de Terapia Intensiva Neonatal , Nova Zelândia , Gravidez
11.
Arch Dis Child Fetal Neonatal Ed ; 106(2): 156-161, 2021 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-32847830

RESUMO

OBJECTIVE: To measure the nasal gas flow in infants treated with bubble continuous positive airway pressure (CPAP) and compare it with commonly used flows during nasal high flow (nHF) treatment. DESIGN: This is a prospective, single-centre study. Bubble CPAP pressure was measured at the nasal prongs. Set gas flow was reduced until bubbling in the water chamber just ceased. Set gas flow without bubbling then approximated flow entering the infant's nose ('delivered flow'). SETTING: Neonatal intensive care at The Royal Women's Hospital, Melbourne, Australia. PATIENTS: Clinically stable preterm infants receiving bubble CPAP therapy. MAIN OUTCOME MEASURE: Delivered flow (L/min) when bubbling stopped at a range of clinically set CPAP pressures (cm H2O). RESULTS: Forty-four infants were studied, with a mean (SD) gestational age at birth of 28.4 (2.2) weeks and birth weight of 1154 (419) g. At the time of the study, infants had a median (IQR) age of 4.5 (2-12) days and a mean (SD) weight of 1205 (407) g. Delivered flow ranged from 0.5 to 9.0 L/min, and increased with higher set CPAP pressures (median 3.5 L/min at CPAP 5 cm H2O vs 6.3 L/min at CPAP 8 cm H2O) and heavier weights (median 3.5 L/min in infants <1000 g vs 6.5 L/min for infants >1500 g). CONCLUSIONS: Nasal gas flows during bubble CPAP in preterm infants are similar to flows used during nHF and increase with higher set bubble CPAP pressures and in larger infants. Trial registration number ACTRN12619000197134.


Assuntos
Pressão Positiva Contínua nas Vias Aéreas/instrumentação , Recém-Nascido Prematuro , Austrália , Humanos , Recém-Nascido de Baixo Peso , Recém-Nascido , Estudos Prospectivos
12.
Arch Dis Child Fetal Neonatal Ed ; 106(4): 370-375, 2021 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-33246967

RESUMO

OBJECTIVES: To determine the regional ventilation characteristics during non-invasive ventilation (NIV) in stable preterm infants. The secondary aim was to explore the relationship between indicators of ventilation homogeneity and other clinical measures of respiratory status. DESIGN: Prospective observational study. SETTING: Two tertiary neonatal intensive care units. PATIENTS: Forty stable preterm infants born <30 weeks of gestation receiving either continuous positive airway pressure (n=32) or high-flow nasal cannulae (n=8) at least 24 hours after extubation at time of study. INTERVENTIONS: Continuous electrical impedance tomography imaging of regional ventilation during 60 min of quiet breathing on clinician-determined non-invasive settings. MAIN OUTCOME MEASURES: Gravity-dependent and right-left centre of ventilation (CoV), percentage of whole lung tidal volume (VT) by lung region and percentage of lung unventilated were determined for 120 artefact-free breaths/infant (4770 breaths included). Oxygen saturation, heart and respiratory rates were also measured. RESULTS: Ventilation was greater in the right lung (mean 69.1 (SD 14.9)%) total VT and the gravity-non-dependent (ND) lung; ideal-actual CoV 1.4 (4.5)%. The central third of the lung received the most VT, followed by the non-dependent and dependent regions (p<0.0001 repeated-measure analysis of variance). Ventilation inhomogeneity was associated with worse peripheral capillary oxygen saturation (SpO2)/fraction of inspired oxygen (FiO2) (p=0.031, r2 0.12; linear regression). In those infants that later developed bronchopulmonary dysplasia (n=25), SpO2/FiO2 was worse and non-dependent ventilation inhomogeneity was greater than in those that did not (both p<0.05, t-test Welch correction). CONCLUSIONS: There is high breath-by-breath variability in regional ventilation patterns during NIV in preterm infants. Ventilation favoured the ND lung, with ventilation inhomogeneity associated with worse oxygenation.


Assuntos
Pressão Positiva Contínua nas Vias Aéreas , Recém-Nascido Prematuro , Oxigenoterapia , Síndrome do Desconforto Respiratório do Recém-Nascido/terapia , Displasia Broncopulmonar/terapia , Impedância Elétrica , Feminino , Frequência Cardíaca , Humanos , Recém-Nascido , Unidades de Terapia Intensiva Neonatal , Pulmão/diagnóstico por imagem , Masculino , Oxigênio/sangue , Estudos Prospectivos , Taxa Respiratória , Volume de Ventilação Pulmonar , Tomografia Computadorizada por Raios X
13.
Arch Dis Child Fetal Neonatal Ed ; 106(3): 258-264, 2021 May.
Artigo em Inglês | MEDLINE | ID: mdl-33127737

RESUMO

OBJECTIVE: To evaluate the opinions of parents of newborns following their infant's enrolment into a neonatal research study through the process of deferred consent. DESIGN: Mixed-methods, observational study, interviewing 100 parents recently approached for deferred consent. SETTING: Tertiary-level neonatal intensive care unit, Melbourne, Australia. RESULTS: All 100 parents interviewed had consented to the study/studies using deferred consent; 62% had also experienced a prospective neonatal consent process. Eighty-nine per cent were 'satisfied' with the deferred consent process. The most common reason given for consenting was 'to help future babies'. Negative comments regarding deferred consent mostly related to the timing of the consent approach, and some related to a perceived loss of parental rights. A deferred approach was preferred by 51%, 24% preferred a prospective approach and 25% were unsure. Those who thought prospective consent would not have been preferable cited impaired decision-making, inappropriate timing of an approach before birth and their preference for removal of the decision-making burden via deferred consent. Seventy-seven per cent thought they would have given the same response if approached prospectively; those who would have declined reported that a prospective approach under stressful conditions was unwelcome and too overwhelming. CONCLUSION: In our sample, 89% of parents of infants enrolled in neonatal research using deferred consent considered it acceptable and half would not have preferred prospective consent. The ability to make a more considered decision under less stressful circumstances was key to the acceptability of deferred consent.


Assuntos
Pesquisa Biomédica , Termos de Consentimento , Pesquisa sobre Serviços de Saúde , Neonatologia/métodos , Pais/psicologia , Consentimento do Representante Legal/ética , Adulto , Austrália , Pesquisa Biomédica/ética , Pesquisa Biomédica/métodos , Feminino , Pesquisa sobre Serviços de Saúde/ética , Pesquisa sobre Serviços de Saúde/métodos , Humanos , Recém-Nascido , Masculino , Seleção de Pacientes , Pesquisa Qualitativa , Percepção Social/psicologia , Fatores de Tempo
14.
BMJ Open ; 10(10): e039230, 2020 10 05.
Artigo em Inglês | MEDLINE | ID: mdl-33020105

RESUMO

INTRODUCTION: Neonatal endotracheal intubation is an essential but potentially destabilising procedure. With an increased focus on avoiding mechanical ventilation, particularly in preterm infants, there are fewer opportunities for clinicians to gain proficiency in this important emergency skill. Rates of successful intubation at the first attempt are relatively low, and adverse event rates are high, when compared with intubations in paediatric and adult populations. Interventions to improve operator success and patient stability during neonatal endotracheal intubations are needed. Using nasal high flow therapy extends the safe apnoea time of adults undergoing upper airway surgery and during endotracheal intubation. This technique is untested in neonates. METHODS AND ANALYSIS: The Stabilisation with nasal High flow during Intubation of NEonates (SHINE) trial is a multicentre, randomised controlled trial comparing the use of nasal high flow during neonatal intubation with standard care (no nasal high flow). Intubations are randomised individually, and stratified by site, use of premedications, and postmenstrual age (<28 weeks' gestation; ≥28 weeks' gestation). The primary outcome is the incidence of successful intubation on the first attempt without physiological instability of the infant. Physiological instability is defined as an absolute decrease in peripheral oxygen saturation >20% from preintubation baseline and/or bradycardia (<100 beats per minute). ETHICS AND DISSEMINATION: The SHINE trial received ethical approval from the Human Research Ethics Committees of The Royal Women's Hospital, Melbourne, Australia and Monash Health, Melbourne, Australia. The trial is currently recruiting in these two sites. The findings of this study will be disseminated via peer-reviewed journals and presented at national and international conferences. TRIAL REGISTRATION NUMBER: ACTRN12618001498280.


Assuntos
Recém-Nascido Prematuro , Intubação Intratraqueal , Adulto , Austrália , Criança , Feminino , Idade Gestacional , Humanos , Lactente , Recém-Nascido , Intubação Intratraqueal/efeitos adversos , Estudos Multicêntricos como Assunto , Ensaios Clínicos Controlados Aleatórios como Assunto , Respiração Artificial
15.
J Pediatr ; 227: 135-141.e1, 2020 12.
Artigo em Inglês | MEDLINE | ID: mdl-32679201

RESUMO

OBJECTIVE: To evaluate demographic and clinical variables as predictors of nasal high-flow treatment success in newborn infants with respiratory distress cared for in Australian nontertiary special care nurseries. STUDY DESIGN: A secondary analysis of the HUNTER trial, a multicenter, randomized controlled trial evaluating nasal high-flow as primary respiratory support for newborn infants with respiratory distress who were born ≥31 weeks of gestation and with birth weight ≥1200 g, and cared for in Australian nontertiary special care nurseries. Treatment success within 72 hours after randomization to nasal high-flow was determined using objective criteria. Univariable screening and multivariable analysis was used to determine predictors of nasal high-flow treatment success. RESULTS: Infants (n = 363) randomized to nasal high-flow in HUNTER were included in the analysis; the mean gestational age was 36.9 ± 2.7 weeks and birth weight 2928 ± 782 g. Of these infants, 290 (80%) experienced nasal high-flow treatment success. On multivariable analysis, nasal high-flow treatment success was predicted by higher gestational age and lower fraction of inspired oxygen immediately before randomization, but not strongly. The final model was found to have an area under the curve of 0.65, which after adjustment for optimism was found to be 0.63 (95% CI, 0.57-0.70). CONCLUSIONS: Gestational age and supplemental oxygen requirement may be used to guide decisions regarding the most appropriate initial respiratory support for newborn infants in nontertiary special care nurseries. Further prospective research is required to better identify which infants are most likely to be successfully treated with nasal high-flow. TRIAL REGISTRATION: ACTRN12614001203640.


Assuntos
Ventilação não Invasiva/métodos , Oxigenoterapia/métodos , Síndrome do Desconforto Respiratório do Recém-Nascido/terapia , Austrália , Cânula , Feminino , Humanos , Recém-Nascido , Recém-Nascido Prematuro , Recém-Nascido de muito Baixo Peso , Masculino
16.
Acta Paediatr ; 109(11): 2192-2207, 2020 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-32716579

RESUMO

AIM: This review examined how applicable national and regional clinical practice guidelines and recommendations for managing neonates born to mothers with COVID-19 mothers were to the evolving pandemic. METHODS: A systematic search and review identified 20 guidelines and recommendations that had been published by May 25, 2020. We analysed documents from 17 countries: Australia, Brazil, Canada, China, France, India, Italy, Japan, Saudi Arabia, Singapore, South Africa, South Korea, Spain, Sweden, Switzerland, the UK and the United States. RESULTS: The documents were based on expert consensus with limited evidence and were of variable, low methodological rigour. Most did not provide recommendations for delivery methods or managing symptomatic infants. None provided recommendations for post-discharge assimilation of potentially infected infants into the community. The majority encouraged keeping mothers and infants together, subject to infection control measures, but one-third recommended separation. Although breastfeeding or using breastmilk was widely encouraged, two countries specifically prohibited this. CONCLUSION: The guidelines and recommendations for managing infants affected by COVID-19 were of low, variable quality and may be unsustainable. It is important that transmission risks are not increased when new information is incorporated into clinical recommendations. Practice guidelines should emphasise the extent of uncertainty and clearly define gaps in the evidence.


Assuntos
COVID-19 , Assistência Perinatal/normas , Complicações Infecciosas na Gravidez , Feminino , Humanos , Recém-Nascido , Guias de Prática Clínica como Assunto , Gravidez
17.
JAMA Pediatr ; 174(4): e195897, 2020 04 01.
Artigo em Inglês | MEDLINE | ID: mdl-32011661

RESUMO

Importance: Most preterm infants require respiratory support to establish lung aeration after birth. Intermittent positive pressure ventilation and continuous positive airway pressure are standard therapies. An initial sustained inflation (inflation time >5 seconds) is a widely practiced alternative strategy. Objective: To conduct a systematic review and meta-analysis of sustained inflation vs intermittent positive pressure ventilation and continuous positive airway pressure for the prevention of hospital mortality and morbidity for preterm infants. Data Sources: MEDLINE (through PubMed), Embase, the Cumulative Index of Nursing and Allied Health Literature, and the Cochrane Central Register of Controlled Trials were searched through June 24, 2019. Study Selection: Randomized clinical trials of preterm infants born at less than 37 weeks' gestation that compared sustained inflation (inflation time >5 seconds) vs standard resuscitation with either intermittent positive pressure ventilation or continuous positive airway pressure were included. Studies including other cointerventions were excluded. Data Extraction and Synthesis: Two reviewers assessed the risk of bias of included studies. Meta-analysis of pooled outcome data used a fixed-effects model specific to rarer events. Subgroups were based on gestational age and study design (rescue vs prophylactic sustained inflation). Main Outcomes and Measures: Death before hospital discharge. Results: Nine studies recruiting 1406 infants met inclusion criteria. Death before hospital discharge occurred in 85 of 736 infants (11.5%) treated with sustained inflation and 62 of 670 infants (9.3%) who received standard therapy for a risk difference of 3.6% (95% CI, -0.7% to 7.9%). Although analysis of the primary outcome identified important heterogeneity based on gestational age subgroups, the 95% CI for the risk difference included 0 for each individual gestational age subgroup. There was no difference in the primary outcome between subgroups based on study design. Sustained inflation was associated with increased risk of death in the first 2 days after birth (risk difference, 3.1%; 95% CI, 0.9%-5.3%). No differences in the risk of other secondary outcomes were identified. The quality-of-evidence assessment was low owing to risk of bias and imprecision. Conclusions and Relevance: There was no difference in the risk of the primary outcome of death before hospital discharge, and there was no evidence of efficacy for sustained inflation to prevent secondary outcomes. These findings do not support the routine use of sustained inflation for preterm infants after birth.


Assuntos
Recém-Nascido Prematuro , Síndrome do Desconforto Respiratório do Recém-Nascido/terapia , Ressuscitação/métodos , Pressão Positiva Contínua nas Vias Aéreas , Mortalidade Hospitalar , Humanos , Recém-Nascido , Insuflação/métodos , Ventilação com Pressão Positiva Intermitente , Síndrome do Desconforto Respiratório do Recém-Nascido/mortalidade , Análise de Sobrevida
18.
J Pediatr ; 216: 109-116.e1, 2020 01.
Artigo em Inglês | MEDLINE | ID: mdl-31610936

RESUMO

OBJECTIVE: To identify predictors and outcomes of early intubation in preterm infants with respiratory distress, and predictors of need for brief respiratory support (≤1 day). STUDY DESIGN: Secondary analysis of data from a randomized trial comparing nasal high-flow with continuous positive airway pressure as primary respiratory support in preterm infants born at 28-36 weeks of gestation. Intubation was assessed within 72 hours of randomization. RESULTS: There were 564 included infants with a mean (SD) gestational age of 32.0 (2.2) weeks and birth weight 1744 (589) g; 76 infants (13.5%) received early intubation. On multivariable analysis, lower gestational age and higher pre-randomization fraction of inspired oxygen (FiO2) predicted intubation. A test based on gestational age of <30 weeks and an FiO2 of ≥0.30 produced a likelihood ratio of 9.1. Intubation was associated with prolonged duration of respiratory support and supplemental oxygen, with pneumothorax and nasal trauma, and in infants born at <32 weeks of gestational, with bronchopulmonary dysplasia and patent ductus arteriosus requiring treatment. Greater gestational age and lower FiO2 predicted the need for ≤1 day of respiratory support. A test based on a gestational age of ≥34 weeks and an FiO2 of 0.21 produced a likelihood ratio of 4.7. CONCLUSIONS: In preterm infants 28-36 week of gestation receiving primary noninvasive respiratory support, lower gestational age, and higher FiO2 predicted need for intubation within 72 hours. Intubation was associated with adverse respiratory outcomes. Greater gestational age and lower FiO2 predicted need for ≤1 day of respiratory support. It may be reasonable to defer the use of respiratory support in more mature infants with low FiO2 requirements. TRIAL REGISTRATION AUSTRALIAN NEW ZEALAND CLINICAL TRIALS REGISTRY: ACTRN12613000303741.


Assuntos
Pressão Positiva Contínua nas Vias Aéreas , Intubação Intratraqueal , Ventilação não Invasiva , Síndrome do Desconforto Respiratório do Recém-Nascido/terapia , Pressão Positiva Contínua nas Vias Aéreas/efeitos adversos , Feminino , Idade Gestacional , Humanos , Recém-Nascido , Recém-Nascido Prematuro , Intubação Intratraqueal/efeitos adversos , Masculino , Prognóstico , Estudos Prospectivos , Resultado do Tratamento
19.
Semin Fetal Neonatal Med ; 24(6): 101039, 2019 12.
Artigo em Inglês | MEDLINE | ID: mdl-31645310

RESUMO

The majority of newborns transition to extra uterine life without support. However, respiratory emergencies in the delivery room are a common occurrence. Whilst some situations are predictable e.g. the anticipated birth of an extremely preterm infant, others are less so. In this chapter we address the most frequent scenarios that result in delivery room respiratory emergencies and discuss the latest recommendations for their management. We outline the need for a trained resuscitation team and appropriate equipment to provide respiratory support at every birth. We address the basic care that all infants should receive, the detailed application of non-invasive ventilation and the use of advanced airway techniques. We discuss the unique challenges presented by extreme prematurity including umbilical cord management, use of supplemental oxygen, initial modes of respiratory support and surfactant delivery. We will explore optimal techniques in the management of infants with lung hypoplasia, pneumothorax and meconium aspiration.


Assuntos
Salas de Parto/organização & administração , Emergências , Síndrome de Aspiração de Mecônio , Ventilação não Invasiva/métodos , Surfactantes Pulmonares/uso terapêutico , Síndrome do Desconforto Respiratório do Recém-Nascido , Manuseio das Vias Aéreas/métodos , Pressão Positiva Contínua nas Vias Aéreas/métodos , Humanos , Lactente Extremamente Prematuro/fisiologia , Recém-Nascido , Síndrome de Aspiração de Mecônio/diagnóstico , Síndrome de Aspiração de Mecônio/fisiopatologia , Síndrome de Aspiração de Mecônio/terapia , Síndrome do Desconforto Respiratório do Recém-Nascido/diagnóstico , Síndrome do Desconforto Respiratório do Recém-Nascido/fisiopatologia , Síndrome do Desconforto Respiratório do Recém-Nascido/terapia , Ressuscitação/métodos
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