American journal of perinatology · 2018
Does the RAM Cannula Provide Continuous Positive Airway Pressure as Effectively as the Hudson Prongs in Preterm Neonates?
Клиническое исследованиеСравнительное исследованиеСтатьяНазвание и аннотация: Перевод в очереди
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Singh Neetu, McNally Matthew J, Darnall Robert A
Аннотация
OBJECTIVE: To compare the level of continuous positive airway pressure (CPAP) delivered by the RAM cannula system (Neotech, Valencia, CA) with that delivered by a traditional CPAP nasal delivery interface (Hudson prongs; Hudson-RCI, Temecula, CA) in preterm infants with respiratory distress.
METHODS: This was a crossover intervention study in a convenience sample of preterm infants with respiratory distress requiring treatment with CPAP. We measured the mean intraoral (pharyngeal) pressure, which approximates the applied CPAP level, using both the RAM cannula and Hudson prongs. The primary outcome was a comparison of the differences between the set CPAP levels and the measured intraoral pressures of both delivery systems.
RESULTS: We analyzed data from 12 preterm infants with mean (standard deviation) birth weight of 1,225 (405) g and gestational age of 28.4 (2.1) weeks at a median postnatal age of 10 days. The mean difference (95% confidence interval) between the set CPAP level and measured intraoral pressure was -2.45 cm H2O (-3.36, -1.55) with the RAM cannula and +0.40 cm H2O (-0.30, 1.12) with Hudson prongs, p = 0.0002.
CONCLUSION: For given set CPAP pressure level in preterm infants, the RAM cannula system consistently delivers lower pharyngeal pressure (effective CPAP) levels than Hudson prongs.
METHODS: This was a crossover intervention study in a convenience sample of preterm infants with respiratory distress requiring treatment with CPAP. We measured the mean intraoral (pharyngeal) pressure, which approximates the applied CPAP level, using both the RAM cannula and Hudson prongs. The primary outcome was a comparison of the differences between the set CPAP levels and the measured intraoral pressures of both delivery systems.
RESULTS: We analyzed data from 12 preterm infants with mean (standard deviation) birth weight of 1,225 (405) g and gestational age of 28.4 (2.1) weeks at a median postnatal age of 10 days. The mean difference (95% confidence interval) between the set CPAP level and measured intraoral pressure was -2.45 cm H2O (-3.36, -1.55) with the RAM cannula and +0.40 cm H2O (-0.30, 1.12) with Hudson prongs, p = 0.0002.
CONCLUSION: For given set CPAP pressure level in preterm infants, the RAM cannula system consistently delivers lower pharyngeal pressure (effective CPAP) levels than Hudson prongs.