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Hemodynamic changes during pregnancy and postpartum: a prospective study using thoracic electrical bioimpedance.
MedLine Citation:
PMID:  21338331     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Objective. To describe hemodynamic changes in normal pregnancy and postpartum by means of thoracic electrical bioimpedance (TEB). Methods. Eighteen healthy pregnant women were included in the study. Eight different hemodynamic variables were measured by thoracic electrical bioimpedance, from 12th week of gestation until 6th month of postpartum period. Data along pregnancy and postpartum were analyzed with SAS statistical software to compare the different values, so normality curves are reported. Results. Systolic blood pressure (SBP), diastolic blood pressure (DBP), heart rate (HR), and peripheral vascular resistances (PVRs) seem to significantly decrease until 24th week of gestation, and then they seem to increase until delivery, recovering normal values gradually during postpartum period. End-diastolic volume (EDV), systolic volume (SV), cardiac output (CO), and ejection fraction (EF) seem to decrease until 48 h after delivery; statistical significance was found. Conclusions. Thoracic electrical bioimpedance may be the most appropriate and accurate technique to measure normal hemodynamic changes during pregnancy and postpartum.
Authors:
Luis San-Frutos; Virginia Engels; Ignacio Zapardiel; Tirso Perez-Medina; Jose Almagro-Martinez; Rafael Fernandez; Jose M Bajo-Arenas
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-2-22
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:  -     Publication Date:  2011 Feb 
Date Detail:
Created Date:  2011-2-22     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:
Obstetrics and Gynecology Department, Puerta de Hierro Majadahonda University Hospital, Madrid, Spain.
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