The maturation of respiratory patterns in normal full term infants during the first six postnatal months. II: Sleep states and apnoea
作者:
T. M. ADAMSON,
S. CRANAGE,
J. E. MALONEY,
M. H. WILKINSON,
F. E. WILSON,
V. Y. H. YU,
期刊:
Journal of Paediatrics and Child Health
(WILEY Available online 1981)
卷期:
Volume 17,
issue 4
页码: 257-261
ISSN:1034-4810
年代: 1981
DOI:10.1111/j.1440-1754.1981.tb01953.x
出版商: Blackwell Publishing Ltd
关键词: Sleep states;apnoea;longitudinal study;normal term infants
数据来源: WILEY
摘要:
ABSTRACT.Four term healthy infants had their respiratory pattern monitored during a 2‐hour afternoon nap period at monthly intervals up to six months of age. Apnoeas 4 seconds or more at 1 week expressed as a percentage of breaths were significantly more frequent in active sleep than quiet sleep (2.1% vs 0.6%) and increased at 2 months in both sleep states (8.0% and 8.5% respectively) due to the onset of periodic breathing. Apnoeas then decreased in frequency up to 6 months in both sleep states (3.8% and 0.8% respectively). In the first month a startle and/or sigh occurred in 78% of apnoeas in quiet sleep, and gross body movement in 72% of apnoeas in active sleep. Between 4 to 6 months all apnoeas in quiet sleep were preceded by a startle and/or sigh, in contrast to active sleep, where the incidence of gross body movement and apnoea decreased (49%) and apnoea alone increased (48%). These findings confirm a maturational change in the incidence and pattern of apnoea in normal infants from 1 to 6 month
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