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Minimally invasive surfactant therapy via a small vascular catheter - ECALMIST (Early CPAP And Large Volume Minimal Invasive Surfactant Therapy) versus InSurE (Intubate, Surfactant Extubate) in preterm infants with Respiratory Distress Syndrome (RDS): A prospective randomized clinical trial.
After meeting all the inclusion criteria, eligible infants will be randomized to receive surfactant either through the ECALMIST or the InSurE methods. The attending neonatologist or neonatal team will have full discretion to decide when to intubate and when to extubate or wean the infant off the ventilator or NCPAP.
General guidelines for reintubation include persistent pH<7.20, PaCO2 > 65 mmHg, very frequent apnea (>2-3/hour of apneic or bradycardic spells not responsive to corrective therapy), frequent desaturations >3/hour not responding to increase in FiO2 or increase in FiO2 to 100%), or apneas requiring prolonged PPV. For the purpose of the study a successful outcome for the primary objective will have occurred if the infant has not been reintubated and ventilated during the initial 3 days of life.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| ECALMIST | Active Comparator | ECALMIST will be used in preterm infants between 24 weeks to 31 weeks in the 1st day of life with RDS and spontaneously breathing with decision to give surfactant |
|
| InSurE | Experimental | InSurE will be used in preterm infants between 24 weeks to 31 weeks in the 1st day of life with RDS and spontaneously breathing with decision to give surfactant |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| ECALMIST | Procedure | Surfactant administration via 17 (5 French) gauge, 133 mm length vascular catheter. 5 ml/kg will be drawn up in a 5 or 10 ml syringe. The vascular catheter will be inserted through the vocal cords under direct vision using a standard laryngoscope with the appropriate blade for gestational age. The procedure will be done without removing the NCPAP. A bolus of surfactant of 0.25-0.5 ml will be administered, after observing the surfactant moving up and down as indication of accurate intubation of the trachea. The surfactant will be slowly injected by small pulses of 0.25-0.5 ml over 20-30 seconds, each bolus with 10 seconds apart. At the end of the procedure, the operator will flush the catheter with 0.5 ml of air before removing the catheter. |
| Measure | Description | Time Frame |
|---|---|---|
| Incidence of early ventilation hours | The number of the newborn infants needed ventilation in the 1st 3 days of life | 3 days |
| Measure | Description | Time Frame |
|---|---|---|
| Apnea | Pause or stop of breathing for more than 20 seconds or stop of breathing that associated with decrease oxygen saturation below 75% or decrease heart rate below 100 during ECALMIST or InSurE method of surfactant therapy | 15 minutes |
| Bradycardia |
| Measure | Description | Time Frame |
|---|---|---|
| Hospital stay | The number of days that newborn spent in the hospital after delivery | 1st three months of life |
Inclusion Criteria:
All should apply:
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Yahya Ethawi, MD | Contact | 2049634721 | yalethawi@hsc.mb.ca | |
| Abrar Hussain, MD | Contact | 2047719301 | ahussain3@hsc.mb.ca |
| Name | Affiliation | Role |
|---|---|---|
| Yahya Ethawi, MD | University of Manitoba | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Health sciences Center | Recruiting | Winnipeg | Manitoba | Canada |
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| ID | Term |
|---|---|
| D012128 | Respiratory Distress Syndrome |
| D053120 | Respiratory Aspiration |
| ID | Term |
|---|---|
| D008171 | Lung Diseases |
| D012140 | Respiratory Tract Diseases |
| D012120 | Respiration Disorders |
| D010335 | Pathologic Processes |
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| ID | Term |
|---|---|
| C096479 | Insure Cement |
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| InSure | Procedure | Patients who will receive surfactant via this technique will have their NCPAP removed and then they will be orally intubated with a standard endotracheal tube (ETT) using standard endotracheal intubation procedures using appropriate size ETT according to the birth weight. Bovine surfactant will be administered through the ETT using the same technique described above for arm 1. Manual lung inflation using a Jackson -Rees anesthesia bag at 20/5-cm H2O pressure will be performed during the surfactant instillation after which the patient will be extubated promptly as per the discretion of the neonatal team. Immediately following extubation, nCPAP support will be recommenced. No premedication, such as sedation or atropine, will be used during either procedure. |
|
|
Decreased heart rate below 100 beat per minutes during ECALMIST or InSurE procedure
| 15 minutes |
| Desaturation | Decreased level of oxygen saturation measured by pulse oximeter to below 75% for more than 20 seconds during either ECALMIST or InSurE | 15 minutes |
| Total ventilation hours | Number of total hours during which the newborn are ventilated during hospital admission (form delivery till discharge home) | hospital admition days |
| Incidence of Chronic lung disease | The incidence of Chronic lung disease (CLD) both definitions; the need for oxygen support at 28 days of postnatal life and at the 36 weeks of corrected postnatal age | 1st 2 months of life |
| Early ventilation hours | The mean of ventilation hours | 3 days |
| St Boniface Hospital | Not yet recruiting | Winnipeg | Manitoba | Canada |
|
| D013568 |
| Pathological Conditions, Signs and Symptoms |