Document Detail


Effects of oxygenation and luminal flow on human placenta chorionic plate blood vessel function.
MedLine Citation:
PMID:  21995599     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Aim:  The human fetoplacental vasculature has been suggested to be a low resistance/high flow system, but the mechanisms by which this state is achieved are unclear. Methods:  This study assessed the effects of intraluminal flow and local oxygenation on isolated human placental chorionic plate arteries and veins at term using pressure myography. Results:  Chorionic plate arteries and veins exhibit myogenic tone. A small but significant arterial vasodilatation was observed following exposure to hypoxia; chorionic plate veins contracted to a similar hypoxic stimulus. Under physiological conditions of pressure and oxygenation, increased luminal flow induced vasodilatation in both chorionic plate arteries and veins. Conclusions:  Human fetoplacental vascular tone can be manipulated by local physical factors.
Authors:
Mark Wareing
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-10-14
Journal Detail:
Title:  The journal of obstetrics and gynaecology research     Volume:  -     ISSN:  1341-8076     ISO Abbreviation:  -     Publication Date:  2011 Oct 
Date Detail:
Created Date:  2011-10-14     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9612761     Medline TA:  J Obstet Gynaecol Res     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
© 2011 The Authors. Journal of Obstetrics and Gynaecology Research © 2011 Japan Society of Obstetrics and Gynecology.
Affiliation:
Maternal and Fetal Health Research Centre, School of Biomedicine, The University of Manchester, Manchester, UK.
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