Continuous Positive Airway Pressure Clinical Trial
Official title:
Effects of Continuous Positive Airway Pressure (CPAP) Delivered by High Flow Nasal Cannula Versus Nasal Continuous Positive Airway Pressure on the Diaphragm Electrical Activity in Very Low Birth Weight Preterm Infants
Verified date | June 2015 |
Source | Sunnybrook Health Sciences Centre |
Contact | n/a |
Is FDA regulated | No |
Health authority | Canada: Health Canada |
Study type | Observational |
In this study, the investigators want to observe how continuous positive airway pressure delivered by two different modalities affects breathing pattern in small preterm infants. Using a specialized feeding tube in the stomach, the investigators can measure and compare how the diaphragm (a large breathing muscle) might be affected by those two modalities.
Status | Completed |
Enrollment | 10 |
Est. completion date | December 2012 |
Est. primary completion date | November 2012 |
Accepts healthy volunteers | No |
Gender | Both |
Age group | N/A to 12 Months |
Eligibility |
Inclusion Criteria: - Birth weights = 1500g - Gestational age less than 32 week - Stable on nasal continuous positive airway pressure (CPAP) of 5-6cmH20 support for at least 48 hours - Treated with methylxanthines for apnea of prematurity - In less than 35% oxygen Exclusion Criteria: - Congenital and acquired problem of the gastrointestinal tract - Phrenic nerve injury and/or diaphragm paralysis - Esophageal perforation/tracheoesophageal fistula - Congenital/acquired neurological deficit and/or seizures - Hemodynamic instability - Congenital heart disease (including symptomatic patent ductus arteriosus) - Undergoing treatment for sepsis or pneumonia - Use of muscle relaxants, narcotic analgesics, or gastric motility agents - Congenital anomalies of respiratory tract (e.g. CCAM) - Infants requiring more than 35% oxygen - Infants with facial anomalies - Infants with pneumothorax and/or pneumomediatinum - Infants in the immediate postoperative period - Infants with significant gastric residues and vomiting |
Observational Model: Case-Crossover, Time Perspective: Prospective
Country | Name | City | State |
---|---|---|---|
Canada | Sunnybrook Health Sciences Centre | Toronto | Ontario |
Lead Sponsor | Collaborator |
---|---|
Sunnybrook Health Sciences Centre | The Physicians' Services Incorporated Foundation |
Canada,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | The difference in the tonic EAdi between IF-CPAP and HFNC . | Patients will be randomized in two groups, one group will start on IF-CPAP for 30 minutes. After another 45 minutes, this group will be switched to HFNC for another 30 minutes. The other group will start on HFNC and then switched to IF-CPAP. EAdi will be analyzed in the last 15 minutes of each 30 minutes period. | During the 4-hour study period. | No |
Secondary | Difference in the number of apnea episodes (breathing pauses) on EAdi recorded with each modality. | During the 4-hour study period. | No | |
Secondary | Difference in episodes of clinically significant apnea with HFNC and IF-CPAP. | During the 4-hour study period. | No | |
Secondary | Indices of respiratory muscle effort (inspiratory and expiratory) will be calculated from Edi waveform. | These indices include the phasic Edi to the peak, mean inspiratory Edi, Edi-time product, post inspiratory activity and all neural timings. | During the 4-hour study period. | No |
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