Document Detail


Physiological implications of arteriovenous anastomoses and venous hemodynamic dysfunction in early gestational uterine circulation: a review.
MedLine Citation:
PMID:  23339488     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Abstract This review summarizes current information on anatomical and physiological properties of the early gestational uteroplacental circulation, and implications of normal or abnormal functioning of the venous compartment. It is illustrated that these properties serve intra-uterine redistribution of blood flow, which is a crucial activity during different stages of trophoblastic remodelling of spiral arteries. Maintaining conditions of pressure and flow constant in the developing intervillous space is important towards normal functioning of the placenta in advanced pregnancy. Failure of this process predisposes to damage of trophoblastic villi, which is commonly seen in preeclampsia and/or fetal growth restriction. Basic principles of vascular physiology allow linking venous hemodynamic dysfunction to increased intervillous pressure. From this, it is concluded that current methods to explore the uteroplacental circulation in normal pregnancy and preeclampsia should be expanded with integrative methods focussing each site of the microvascular network, the arterial ànd the venous compartment.
Authors:
Wilfried Gyselaers; Louis Peeters
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-1-22
Journal Detail:
Title:  The journal of maternal-fetal & neonatal medicine : the official journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal Obstetricians     Volume:  -     ISSN:  1476-4954     ISO Abbreviation:  J. Matern. Fetal. Neonatal. Med.     Publication Date:  2013 Jan 
Date Detail:
Created Date:  2013-1-23     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101136916     Medline TA:  J Matern Fetal Neonatal Med     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Dept. Obstetrics & Gynaecology, Ziekenhuis Oost Limburg, Genk Belgium.
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