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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT05628753
Other study ID # Bio ID 1451
Secondary ID
Status Completed
Phase
First received
Last updated
Start date July 14, 2019
Est. completion date September 1, 2020

Study information

Verified date November 2022
Source Royal University Hospital, Saskatoon
Contact n/a
Is FDA regulated No
Health authority
Study type Observational

Clinical Trial Summary

unit (NICU); however prolonged MV is known to be associated with serious complications including ventilator associated pneumonia, blood stream infections, bronchopulmonary dysplasia (BPD) and periventricular leukomalacia. At the same time, extubation failure increases morbidities and mortality. Hatch et al (2016) in their prospective study on 162 infants described adverse events in 40% of intubations and severe complications including need for CPR in 9%. Reintubations are frequently associated with hypoxemia, bradycardia, fluctuations in blood pressures and cerebral perfusion. Each intubation attempt increases the risk of traumatic injury to the upper airway, lung atelectasis and infections. Thus, there is a clear need to establish objective criteria that would help avoid extubation failure and the need for reintubation. In recent years, a new imaging application has been introduced in neonatal practice-lung ultrasound (LUS), an accurate and reliable technique for the lung evaluation. LUS is safe, non-ionizing, easy to operate, and low-cost tool. The evaluation of lungs is performed in real-time, on the bedside and without anesthetic drugs. Lung aeration could be assessed in dynamics without extra radiation to the infant. Ultrasound findings combined with clinical information could be used for the prognosis of successful extubation in premature infants.


Description:

Mechanical ventilation (MV) is a widely used therapeutic resource in neonatal intensive care unit (NICU); however prolonged MV is known to be associated with serious complications including ventilator associated pneumonia, blood stream infections, bronchopulmonary dysplasia (BPD) and periventricular leukomalacia. At the same time, extubation failure increases morbidities and mortality. Hatch et al (2016) in their prospective study on 162 infants described adverse events in 40% of intubations and severe complications including need for CPR in 9%. Reintubations are frequently associated with hypoxemia, bradycardia, fluctuations in blood pressures and cerebral perfusion. Each intubation attempt increases the risk of traumatic injury to the upper airway, lung atelectasis and infections. Thus, there is a clear need to establish objective criteria that would help avoid extubation failure and the need for reintubation. Currently used criteria for extubation are subjective and based on clinical evaluation, chest radiograph findings, amount of ventilatory support and arterial blood gas (ABG) parameters. An accurate bedside test for extubation readiness in preterm infants born is even more important as this population is more susceptible to the complications of re-intubation. There are several studies that showed that reintubation after elective extubation is independently associated with increased likelihood of death and BPD in extremely preterm infants. The greatest risks are attributable to reintubation within the first 48 hours post-extubation. Several studies have shown that a low lung volume and small chest radiograph lung area after extubation could predict extubation failure. Infants who have a low lung volume after extubation may have an unfavourable balance between respiratory muscle strength and respiratory load. Ideally, these infants should be identified before removal of the endotracheal tube. In recent years, a new imaging application has been introduced in neonatal practice-lung ultrasound (LUS), an accurate and reliable technique for the lung evaluation. LUS is safe, non-ionizing, easy to operate, and low-cost tool. The evaluation of lungs is performed in real-time, on the bedside and without anesthetic drugs. Lung aeration could be assessed in dynamics without extra radiation to the infant. Ultrasound findings combined with clinical information could be used for the prognosis of successful extubation in premature infants.


Recruitment information / eligibility

Status Completed
Enrollment 20
Est. completion date September 1, 2020
Est. primary completion date September 1, 2020
Accepts healthy volunteers No
Gender All
Age group N/A and older
Eligibility Inclusion Criteria: - Invasively ventilated infants born at less than 32 weeks of gestational age were included at the time of their first extubation Exclusion Criteria: - infants born after 32 weeks of gestational age

Study Design


Related Conditions & MeSH terms


Intervention

Diagnostic Test:
Lung Ultrasound (LUS)
LUS performed 30 mins prior to and 120 minutes after planned extubation with a linear high frequency probe longitudinal approach was used in all three zones Repeated third scan will be done prior to re-intubation (if required) The ultrasound total execution cut-off time expected to be less than 5 minutes

Locations

Country Name City State
Canada Royal University Hospital Saskatoon Saskatchewan

Sponsors (1)

Lead Sponsor Collaborator
Royal University Hospital, Saskatoon

Country where clinical trial is conducted

Canada, 

Outcome

Type Measure Description Time frame Safety issue
Primary lung aeration before and after extubation by comparing LUS indexes 30 minutes
Primary re-intubation within 12, 36 or 72 hours 72 hours
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