Document Detail

Blood flow velocity in the uterine and external iliac arteries before and after termination of pregnancy.
MedLine Citation:
PMID:  8187914     Owner:  NLM     Status:  MEDLINE    
In normal pregnancy, there is a marked increase in the uteroplacental blood flow, which is accomplished by a decrease in the peripheral resistance. The purpose of the present study was to investigate whether changes occur in the uterine and external iliac arteries during early pregnancy and after termination of pregnancy. Twenty pregnant women between the 7th and the 23rd weeks of pregnancy were investigated. They were examined before termination of pregnancy and followed up after the termination. The examinations were done using a pulsed duplex scanner (Acuson model 128XP/10 computed sonography system). In the right and left uterine arteries, there is a close correlation between both the peak flow velocity (r = 0.84; P < 0.01) and the end diastolic flow velocity (r = 0.71; P < 0.01) and the duration of pregnancy. The Vmax and Vmin in the external iliac arteries did not significantly change. The peak flow velocity (Vmax) in the right uterine artery was gradually reduced after termination of pregnancy. It was 0.81 (0.22) m/s before termination of pregnancy, reduced to 0.72 (0.22) m/s in the 1st post-operative day, and to 0.68 (0.21) m/s in the 2nd post-operative day. There was also a significant decrease of the end-diastolic flow velocity (Vmin), from 0.24 (0.10) m/s before termination of pregnancy to 0.15 (0.08) m/s in the 1st post-operative day. The left uterine artery showed similar changes. There is a strong correlation between Vmax and Vmin in both uterine arteries (in the right r = 0.71; in the left r = 0.57) indicating an influence on resistance indices.(ABSTRACT TRUNCATED AT 250 WORDS)
D E Abd el Aal; W Künzel
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  European journal of obstetrics, gynecology, and reproductive biology     Volume:  53     ISSN:  0301-2115     ISO Abbreviation:  Eur. J. Obstet. Gynecol. Reprod. Biol.     Publication Date:  1994 Jan 
Date Detail:
Created Date:  1994-06-23     Completed Date:  1994-06-23     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0375672     Medline TA:  Eur J Obstet Gynecol Reprod Biol     Country:  IRELAND    
Other Details:
Languages:  eng     Pagination:  11-6     Citation Subset:  IM; J    
Department of Obstetrics and Gynaecology, University of Giessen, Germany.
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MeSH Terms
Abortion, Induced*
Blood Flow Velocity
Iliac Artery / physiology*
Time Factors
Uterus / blood supply*

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