期刊
SEMINARS IN FETAL & NEONATAL MEDICINE
卷 20, 期 4, 页码 210-216出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.siny.2015.04.003
关键词
Fetal physiology; Neonatal critical care; Perinatal management
类别
The fetal circulation is an entirely transient event, not replicated at any point in later life, and functionally distinct from the pediatric and adult circulations. Understanding of the physiology of the fetal circulation is vital for accurate interpretation of hemodynamic assessments in utero, but also for management of circulatory compromise in premature infants, who begin extrauterine life before the fetal circulation has finished its maturation. This review summarizes the key classical components of circulatory physiology, as well as some of the newer concepts of physiology that have been appreciated in recent years. The immature circulation has significantly altered function in all aspects of circulatory physiology. The mechanisms and significance of these differences are also discussed, as is the impact of these alterations on the circulatory transition of infants born prematurely. (C) 2015 Elsevier Ltd. All rights reserved.
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