Document Detail


Arterial stiffness, central hemodynamics and wave reflection in normal pregnancy and control nonpregnant women.
MedLine Citation:
PMID:  21737197     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
OBJECTIVES: Pregnancy is accompanied by different physiological adaptations in the cardiovascular system. However, information on central blood pressures, wave reflection, arterial stiffness in uncomplicated pregnancy compared with nonpregnant women is limited. STUDY DESIGN: Forty-six women (mean age 28 years) in the third trimester of pregnancy and 45 healthy age- and height-matched controls were evaluated. Arterial stiffness, central hemodynamics and wave reflection was assessed with the use of digital volume pulse analysis and pulse wave analysis. RESULTS: In comparison with nonpregnant participants, pregnant women had significantly lower mean (p=0.04) and central systolic (p=0.02) blood pressure, central pulse pressure (p=0.02), augmentation index (p=0.02) and augmentation pressure (p=0.002), whereas their pulse pressure amplification was significantly higher (p=0.001). Similarly, arterial stiffness index was higher in pregnant women than in healthy nonpregnant controls (p=0.006). This index was correlated significantly with central augmentation index and augmentation pressure (r=0.5, p=0.0005 and r=0.52, p=0.0002, respectively) but only in nonpregnant women. CONCLUSIONS: Healthy pregnancy is associated with increased pulse pressure amplification as well as diminished wave reflection, which results in lower central augmentation index and augmentation pressure. Women in the third trimester of pregnancy have slightly higher arterial stiffness in comparison with healthy nonpregnant, age- and height-matched controls. The increased value of measures of arterial stiffness might be secondary to a known physiological increase of cardiac output and the amount of circulating blood.
Authors:
Magdalena Wykrętowicz; Tomasz Krauze; Przemyslaw Guzik; Jarosław Piskorski; Wiesław Markwitz; Andrzej Wykrętowicz; Henryk Wysocki
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-7-5
Journal Detail:
Title:  European journal of obstetrics, gynecology, and reproductive biology     Volume:  -     ISSN:  1872-7654     ISO Abbreviation:  -     Publication Date:  2011 Jul 
Date Detail:
Created Date:  2011-7-8     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0375672     Medline TA:  Eur J Obstet Gynecol Reprod Biol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2011 Elsevier Ireland Ltd. All rights reserved.
Affiliation:
Department of Cardiology-Intensive Therapy, University School of Medicine, Poznan, Poland.
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