Document Detail

Maternal uterine vascular remodeling during pregnancy.
MedLine Citation:
PMID:  23941526     Owner:  NLM     Status:  Publisher    
Remodeling of the maternal uterine vasculature during pregnancy is a unique cardiovascular process that occurs in the adult and results in significant structural and functional changes in large and small arteries and veins, and in the creation of the placenta - a new fetomaternal vascular organ. This expansive, hypertrophic process results in increases in both lumen circumference and length, and is effected through a combination of tissue and cellular hypertrophy, endothelial and vascular smooth muscle hyperplasia, and matrix remodeling. This review summarizes what is currently known about the time course and extent of the remodeling process, and how local vs. systemic factors influence its genesis. The main focus is on upstream maternal vessels rather than spiral artery changes, although the latter are considered from the overall hemodynamic perspective. We also consider some of the underlying mechanisms and provide hypothetical scenario that integrates our current knowledge. Abrogation of this adaptive vascular process is associated with several human gestational pathologies such as preeclampsia and intrauterine growth restriction (IUGR), which not only raise the risk of infant mortality and morbidity but are also a significant source of maternal mortality and susceptibility to cardiovascular and other diseases for both mother and neonate later in life. This article is protected by copyright. All rights reserved.
George Osol; Lorna G Moore
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-8-14
Journal Detail:
Title:  Microcirculation (New York, N.Y. : 1994)     Volume:  -     ISSN:  1549-8719     ISO Abbreviation:  Microcirculation     Publication Date:  2013 Aug 
Date Detail:
Created Date:  2013-8-14     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9434935     Medline TA:  Microcirculation     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
This article is protected by copyright. All rights reserved.
University of Vermont College of Medicine, Dept. Ob/Gyn, Burlington, VT.
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