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Anterior Fontanelle Pressure Variations During Sleep in Healthy Infants
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1995
Year
Sleep DisordersMean Basal IcpMean IcpSocial SciencesSleep-related Breathing DisorderSleep MedicineIntracranial PressureSleep PhysiologyNeurologySleepIcp VariationsNeuroimagingSleep Disordered BreathingSleep DisorderNeurophysiologyPediatricsHealthy InfantsSleep ApneaNeuroscienceMedicine
Our aim was to study the intracranial pressure (ICP) variations during sleep normal infants. Using a noninvasive method, ICP was measured continuously during polysomnography in 12 healthy infants aged from 1 to 11 months (median 3.5 months). We analyzed the variations of mean basal ICP, mean basal pulse pressure amplitude and maximal amplitude of both plateau and B-like waves between transient sleep, quiet sleep and rapid eye movement (REM) sleep. Mean ICP, mean pulse pressure amplitude and B-like wave amplitude increased significantly during transient sleep and REM sleep. Plateau waves occurred during transient sleep and especially REM sleep. By contrast, noninvasive ICP recordings were relatively flat during quiet sleep stages 2 and 3. ICP variations and pressure waves seem to be related to cerebrovascular changes associated with sleep. The physiological ICP variations during sleep must be known in order to allow correct interpretation of continuous ICP measurements in infants.