Heart Rate Variability Clinical Trial
Official title:
Effect of Caffeine for Apnoea Treatment on Heart Rate Variability in Newborns
The aim of this study was to evaluate the impact of caffeine treatment, given either orally or intravenously, on heart rate variability in newborns. In addition, the investigators sought for a potential association between caffeine treatment and vital functions.
At Neonatal Department of University Medical Centre Ljubljana caffeine is used to treat neonatal apnoea. It has known affects on central nervous and cardiovascular systems, but little is known about the impact of caffeine intake on heart rate variability (HRV) in newborns. In this study, the investigators performed measurements on one sample of 25 newborns with apnoea who had been admitted to the Neonatal Department of University Medical Centre Ljubljana and treated with caffeine citrate. The treatment regimen consisted of caffeine citrate of a loading dose of 20 mg/kg of body mass, followed by a daily maintenance dose of 5 mg/kg after 24 hours. The investigators measured parameters of HRV in two situations: while the treatment with caffeine citrate was ongoing and after the treatment was withdrawn. The newborns served as controls. Electrical activity of the heart was measured with a Holter ECG while the newborn was sleeping in supine position, first without a bed tilt and afterwards with a 30° head-up tilt. Simultaneously was evaluated the alertness of the newborn and measured their physiological variables (the breathing frequency, the heart rate, the arterial oxygen saturation, and the body temperature). All parents were given their written consent for their child to participate in the study. ;
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