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The objective of this study is to evaluate the role of the neonatologist-performed lung ultrasound (NPLUS) during immediate transition after birth of late preterm and full-term neonates using the lung ultrasound score to predict the need of respiratory support persisting more than 1 hour after birth.
Lung ultrasound is an emerging clinical tool to assess the lung in a dynamic way. Recently, the focus has been on establishing lung ultrasound in the neonatal intensive care unit (NICU) as a point-of care application.
Neonates born by a Caesarean section are particularly prone to have an altered adaption to extrauterine life. Especially in the first hours after birth, respiratory distress syndromes (RDS) may occur due to delayed lung fluid clearance after birth.
While acute RDS in the first hours after birth may be a self-limiting disorder and therefore a benign condition, it remains difficult to identify neonates in need for further respiratory support at the NICU. Admission to the NICU not only causes parental stress but also contributes to additional healthcare costs.
There is emerging evidence that NPLUS is a reliable tool to differentiate between the causes leading to RDS in neonates. Using a neonatologist performed lung ultrasound score for the early identification of neonates in need of respiratory support persisting more than 1 hour would be therefore highly advantageous.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| need of respiratory support > 60 min after birth | Group comprises neonates in need of further respiratory support more than 60 minutes after birth. |
| |
| need of respiratory support < 60 min after birth | Group comprises neonates that show any signs of respiratory distress in the first 60 minutes, but do not need respiratory support more than 60 minutes after birth. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Neonatologist-performed lung ultrasound | Diagnostic Test | lung ultrasound conducted in min 5, 15, 30, 60 min after birth in late preterm and term infants |
|
| Measure | Description | Time Frame |
|---|---|---|
| Determination of the change in lung ultrasound score according to Rodriguez-Fanjul et al. 2020 | Score determined by neonatologist-performed lung ultrasound conducted at 5, 15, 30 and 60 minutes after birth. The lung ultrasound score will be calculated by performing bilateral longitudinal scans of the chest on the midclavicular, anterior, and posterior axillary line. For every scan a score is given ranging from 0 (for normal lung aeration) up to 3 (describing extended consolidations in the lung). | 60 minutes for all scans, 2-4 min per scan. |
| The need for respiratory support persisting more than 1 hour after birth | binary - yes/ no | 60 minutes |
| Admission to the Neonatal Intensive Care Unit | binary - yes/ no | 60 minutes |
| Measure | Description | Time Frame |
|---|---|---|
| Length of respiratory support | in minutes | 60 minutes |
| Mode of respiratory support | non-invasive versus invasive ventilation | 60 minutes |
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Inclusion Criteria:
Exclusion Criteria:
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Late preterm neonates (born between 34 0/7 and 36 6/7 weeks of gestation), and full-term neonates (born later than 36 6/7 weeks of gestation) delivered by Caesarean section
| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Bernhard Schwaberger, MD PhD | Contact | +4331638530018 | bernhard.schwaberger@medunigraz.at |
| Name | Affiliation | Role |
|---|---|---|
| Bernhard Schwaberger, MD PhD | Division of Neonatology, Medical University of Graz, Austria | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Division Neonatology, Dp. Pediatrics | Recruiting | Graz | Styria | 8036 | Austria |
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| Type | Includes Protocol | Includes SAP | Includes ICF | Document Label | Document Date | Document Uploaded Date | Document File Name |
|---|---|---|---|---|---|---|---|
| Prot_SAP | Yes | Yes | No | Study Protocol and Statistical Analysis Plan | Feb 8, 2024 | Apr 20, 2024 | Prot_SAP_000.pdf |
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| ID | Term |
|---|---|
| D007232 | Infant, Newborn, Diseases |
| ID | Term |
|---|---|
| D009358 | Congenital, Hereditary, and Neonatal Diseases and Abnormalities |
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| Routinely obtained capillary blood gas analysis of the newborn | pCO2, pO2, pH, BE, HCO3, lactate, glucose | 60 minutes |
| Routinely obtained monitoring parameters- SpO2 | arterial oxygen saturation (SpO2) | 60 minutes |
| Routinely obtained monitoring parameters- heart rate | heart rate in beats per minute (either by pulse oximetry or electrocardiography) | 60 minutes |
| Routinely obtained monitoring parameters- cerebral oxygen saturation | cerebral oxygen saturation (assessed by near-infrared spectroscopy) | 60 minutes |
| SpO2/FiO2 | fraction of inspired oxygen ratio to O2 supply | 60 minutes |
| pH of the umbilical artery | in numbers | 15 minutes |
| APGAR score | Score ranges from 0 to 10, higher score indicates a better outcome | 10 minutes |
| Number of Participants with Presence of pregnancy risk factors | including intra-amniotic infection, and premature rupture of the membranes | 10 minutes |
| Number of Participants with Prenatal corticosteroids | binary - yes/ no | 10 minutes |