Respiratory Distress Syndrome In Premature Infants
Conditions
Keywords
Newborn, non invasive ventilation
Brief summary
Noninvasive ventilation has been used in preterm newborn with respiratory distress syndrome in an attempt to assist failure extubation. The investigators investigated failure extubation in infants gestational age less than or equal to 34 weeks and weights less than or equal to 1500 grams. Neonates were randomized to noninvasive modalities support. 101 newborns were included in this study in three groups , group 1: Nasal Intermittent Positive Pressure Ventilation (NIPPV) (n=36), group 2: Nasal Continuous Positive Airway Pressure Bubble (NCPAP bubble) (n=33) and group 3: Nasal Continuous Positive Airway Pressure Bubble Ventilator (NCPAP ventilator) (n=32)
Detailed description
The infants were randomly allocated after extubation used a list of computer-generated randomization in NIPPV modes (with the following settings: positive inspiratory pressure (PIP) \< 16 centimeters of water (cm H2O), positive end-expiratory pressure (PEEP) 4-5 centimeters of water (cm H2O, backup respiratory rate (RR) \< 18 cycles per minute flow 6-7 liters per minute (L / min) and inspiratory time (TI) according to the time constant for idae (0.30 to 0.34 seconds), and respirator seal to NCPAP water tower was adjusted to 4-5 centimeters of water (cm H2O) PEEP, flow 6-7 liters per minute (L / Min.) oxygen for both was adjusted to maintain arterial oxygen saturation between 85-95% The criteria for extubation were defined using a protocol by the clinic staff, confirmed by arterial blood gases and chest X-ray, as well as adjustments of the ventilator settings. Vital signs, blood gas parameters and noninvasive brackets were recorded before, immediately, 15, 30, 45 minutes, 1(hour) h, 2h, 12h, 24h and 48 h after extubation were documented. Neonatal morbidities were documented until discharge, among these are: patent ductus arterious, necrotizing enterocolitis, retinopathy of prematurity, intracranial hemorrhage and pneumothorax. Data on achievement of prenatal, antenatal steroids and surfactant administration were documented. All newborns were natural porcine surfactant Curosurf®. The total duration of mechanical ventilation and oxygen were documented from birth until discharge or death. The supplemental oxygen or mechanical ventilation days was defined as daily requirement of fraction of inspired oxygen (FiO 2)\> 0.21 or ventilation \> 12 hours, respectively. The newborns were followed for all interaction until discharge (about 5 weeks).
Interventions
DEVICENIPPV
Ventilation with nasal intermittent positive pressure - Newborns randomized to this group underwent NIPPV, the respirators in TIME mode, set with the following settings : 5-6 centimeters of water (cmH2O) pressure positive end expiratory (PEEP); Flow rate of 6-8 liters per minute (L / min); PIP(positive inspiratory pressure) \< 15 centimeters of water (cm H2O) ; respiratory frequency backup (FR) \< 16 bpm; inspiratory time (IT) - 0.30 to 0.33 seconds (adjustable time constant according to the weight and baseline disease)
DEVICEBubble NCPAP
Bubble NCPAP - Newborns randomized to this group bubble NCPAP, adjusted with the following settings: pressure positive end expiratory (PEEP) 5-6 centimeters of water (cm H2O) and Flow 6-8 liters per minute (L / min), provided through oxygen sources and compressed air (15 liters per minute - L / min), which passes through a heated humidifier through a breathing circuit that goes to the newborn, and from him, for a plastic container (250 milliliters (ml) capacity and 14 centimeters) containing sterile distilled water, which is the bubble.
DEVICEVentilator NCPAP
Ventilator NCPAP - Newborns randomized to this group ventilator NCPAP, of respirators in TIME mode set with the following settings: pressure positive end expiratory (PEEP) 5-6 centimeters of water (cm H2O) and Flow 6-8 liters per minute (L / min).
Sponsors
Federal University of Minas Gerais
Study design
Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
NONE
Eligibility
Sex/Gender
ALL
Age
26 Weeks to 34 Weeks
Healthy volunteers
Yes
Inclusion criteria
* Were eligible for the study * Newborn (NB) ≤ 34 weeks and 500g to the weight of ≤ 1500 grams with a diagnosis of respiratory distress syndrome (RDS) who had their first elective extubation.
Exclusion criteria
* Excluded patients with cardiorespiratory system malformations * Genetic disorders * Neuromuscular disease and malformations of the central nervous system.
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| The success rate of the extubation | Finished The newborns were followed for all interaction until discharge (about 5 weeks). | The success rate of the extubation and Need for intubation within the first 48 hours after extubation in the three groups |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| Correlations of the noninvasive support (correlations with sex, gestational age (IG), total duration of oxygen use, full-time use of mechanical ventilation and bronchopulmonary dysplasia (DBP) | Finished The newborns were followed for all interaction until discharge (about 5 weeks). | Related to noninvasive support and correlations with sex, gestational age (IG), total duration of oxygen use, full-time use of mechanical ventilation and bronchopulmonary dysplasia (DBP). |
| The failure and success of the noninvasive support (days of oxygen use, mechanical ventilation (VPM) and occurrence of bronchopulmonary dysplasia (BPD) | Finished The newborns were followed for all interaction until discharge (about 5 weeks). | The failure vs. success, with the days of oxygen use, mechanical ventilation (VPM) and occurrence of bronchopulmonary dysplasia (BPD) |
| Incidence of the diseases during the hospitalization | Finished The newborns were followed for all interaction until discharge (about 5 weeks). | Incidence of pneumothorax, patent ductus arterious (PDA), retinopathy of prematurity (HOP), peri-intraventricular hemorrhage (HPIV), bronchopulmonary dysplasia (BPD), necrotizing enterocolitis (NEC), nasal injury |
| Outcomes at discharge in days (Total number of days in use oxygen, mechanical ventilation and death, and hospitalization duration) | Finished The newborns were followed for all interaction until discharge (about 5 weeks). | Total number of days in use oxygen, mechanical ventilation and death, and hospitalization duration |
Outcome results
None listed