- ICH GCP
- 미국 임상 시험 레지스트리
- 임상시험 NCT03121781
Diaphragm Electrical Activity of Preterm Infants on nCPAP With Binasal Prongs Versus RAM Cannula
Effect of Nasal Continuous Positive Airway Pressure (nCPAP) With RAM Cannula Versus Standard Binasal Prongs on Diaphragm Electrical Activity in Very Low Birth Weight (VLBW) Preterm Infants
Preterm babies have immature lungs and frequent pauses in their breathing which often necessitates breathing support. Nasal Continuous Positive Airway Pressure (nCPAP) is one of the most commonly used tools, but the standard interfaces (prongs or mask) may cause nasal-septal injury and discomfort.
The RAM cannula is another interface that consists in soft and curved prongs to avoid this nasal injury, but as the seal is not 100%, suboptimal delivery of airway distending pressure could result if they are used to deliver CPAP, as compared to standard interfaces.
The investigators plan to study very low birth weight preterm babies who are generally well but require some support with their breathing. By inserting a special feeding tube with sensors into the stomach, the investigators can measure the electrical activity of the diaphragm (EAdi), which is an important muscle for breathing. By analyzing EAdi in babies receiving nCPAP either with prongs or ram cannula, the investigators will be able to measure and compare how each method of support affects a baby's breathing. This important study will help us determine the most appropriate breathing support for preterm babies.
연구 개요
상태
상세 설명
Continuous Positive Airway Pressure is one of the most researched and accepted methods of delivering NIV to term and preterm infants. Different interfaces have been used, most frequently binasal prongs or mask. The RAM cannula is a relatively new interface for delivering CPAP in preterm infants, specially to avoid nasal injury and discomfort. However, there are few studies in artificial models with different results in term of the percentage of pressure that is really delivered when we use the RAM cannula. The objective of this study is to to investigate in VLBW preterm infants who require respiratory support by nasal CPAP, whether or not using the RAM cannula as the interface will allow to provide the level of respiratory support equivalent to that with the traditional binasal prongs, measured by diaphragm electrical activity (Edi). The investigators hypothesize that in VLBW preterm infants with respiratory distress syndrome (RDS), the use of CPAP with RAM cannula as the interface may provide lower PEEP (positive end expiratory pressure) than set and increased resistance to gas flow, leading to increased respiratory effort for the patient as reflected by an increase in Edi.
This study will help Neonatologist determine if the amount of support provided with the RAM cannula as interface is equivalent to the support we achieve with the standard interfaces, to select the patients that could benefit from using this interface. The investigators will be able to utilize this information to decide on the most appropriate respiratory support modality for preterm patients.
연구 유형
등록 (예상)
단계
- 해당 없음
연락처 및 위치
연구 장소
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Ontario
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Toronto, Ontario, 캐나다, M4N3M5
- 모병
- Sunnybrook Health Science Centre
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연락하다:
- Michael Dunn, MD
- 전화번호: 87777 (416) 480-6100
- 이메일: michael.dunn@sunnybrook.ca
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참여기준
자격 기준
공부할 수 있는 나이
건강한 자원 봉사자를 받아들입니다
연구 대상 성별
설명
Inclusion Criteria:
- Clinically stable preterm infants (defined as: cardiovascular stability with normal blood pressure and heart rate for GA and no recent increase in apneic episodes or spells and confirmed by the attending neonatologist) with birth weights less than 1500 gr and/or gestational age bellow 32 weeks, admitted to the NICU at Sunnybrook Health Sciences Centre on nasal continuous positive airway pressure of 5 to 8 cmH20 support, for at least 48 h and requiring less than 35% of oxygen.
Exclusion Criteria:
- Infants with congenital anomalies of the gastrointestinal tract, phrenic nerve damage, diaphragmatic paralysis, esophageal perforation; infants with congenital or acquired neurological deficit (including significant intraventricular hemorrhage greater than Grade II), neonatal seizure; infants with significant congenital heart disease (including symptomatic PDA); infant with congenital anomalies of the diaphragm; infant with congenital anomalies of the respiratory tracts (e.g. Congenital Cystic Adenomatoid Malformation (CCAM)) infants requiring ongoing treatment for sepsis, necrotizing enterocolitis (NEC), antibiotics for lung infections, narcotic analgesics, or gastric motility agents will be excluded. Infants on nasal CPAP and requiring more than 35% oxygen will be excluded from the study. Infants with significant gastric residuals and vomiting, infants with facial anomalies, infants with pneumothorax or pneumomediastinum, and infants in the immediate postoperative period will be excluded. Infants with nasal excoriations will be excluded from the study as they may be electively placed on the RAM cannula to prevent further nasal trauma.
공부 계획
연구는 어떻게 설계됩니까?
디자인 세부사항
- 주 목적: 치료
- 할당: 무작위
- 중재 모델: 크로스오버 할당
- 마스킹: 없음(오픈 라벨)
무기와 개입
참가자 그룹 / 팔 |
개입 / 치료 |
|---|---|
|
활성 비교기: CPAP with binasal prongs
Edi will be recorded while the infant is on nasal CPAP with the binasal prongs, with a PEEP of 5-8 cm H2O, for 2 hours.
Then, the infant will be switched the interface to the RAM cannula, with a PEEP 2 cmH2O higher, during 2 hours.
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change interface to RAM cannula
change interface to binasal prongs
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활성 비교기: CPAP with RAM cannula
Edi will be recorded while the infant is on nasal CPAP with the RAM cannula with a PEEP 2 cmH20 higher than the levels the infant was receiving before starting the study protocol, for 2 hours.
Then, the infant will be switched the interface to the binasal prongs with a PEEP between 5-8 cmH2O, during 2 hours.
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change interface to RAM cannula
change interface to binasal prongs
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연구는 무엇을 측정합니까?
주요 결과 측정
결과 측정 |
측정값 설명 |
기간 |
|---|---|---|
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Differences in Edi min between CPAP with binasal prongs versus with the RAM cannula
기간: 4 hours
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Measured by the electrical activity of the diaphragm between respiratory support modes (nCPAP with binasal prongs and RAM cannula)
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4 hours
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2차 결과 측정
결과 측정 |
측정값 설명 |
기간 |
|---|---|---|
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Difference in neural respiratory rate
기간: 4 hours
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Measured by the electrical activity of the diaphragm between respiratory support modes (nCPAP with binasal prongs and RAM cannula).
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4 hours
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Difference in neural inspiratory time
기간: 4 hours
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Measured by the electrical activity of the diaphragm between respiratory support modes (nCPAP with binasal prongs and RAM cannula).
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4 hours
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Difference in Edi peak
기간: 4 hours
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Measured by the electrical activity of the diaphragm between respiratory support modes (nCPAP with binasal prongs and RAM cannula).
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4 hours
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Difference in transcutaneous pCO2
기간: 4 hours
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Measured difference in transcutaneous pCO2 between the 2 different respiratory support modes(nCPAP with binasal prongs and RAM cannula).
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4 hours
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Difference in number of apnea episodes
기간: 4 hours
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Difference in number of apnea episodes between the 2 different respiratory support modes (nCPAP with binasal prongs and RAM cannula).
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4 hours
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Needs of oxygen
기간: 4 hours
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Needs of O2 measured by FiO2 on the 2 different respiratory support modes (nCPAP with binasal prongs and RAM cannula).
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4 hours
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공동 작업자 및 조사자
수사관
- 수석 연구원: Michael Dunn, MD, Staff Neonatologist - NICU
연구 기록 날짜
연구 주요 날짜
연구 시작 (실제)
기본 완료 (예상)
연구 완료 (예상)
연구 등록 날짜
최초 제출
QC 기준을 충족하는 최초 제출
처음 게시됨 (실제)
연구 기록 업데이트
마지막 업데이트 게시됨 (실제)
QC 기준을 충족하는 마지막 업데이트 제출
마지막으로 확인됨
추가 정보
이 연구와 관련된 용어
추가 관련 MeSH 약관
기타 연구 ID 번호
- RAM cannula study
개별 참가자 데이터(IPD) 계획
개별 참가자 데이터(IPD)를 공유할 계획입니까?
약물 및 장치 정보, 연구 문서
미국 FDA 규제 의약품 연구
미국 FDA 규제 기기 제품 연구
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