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Please use this identifier to cite or link to this item: http://hdl.handle.net/1942/14248

Title: Impedance cardiography in uncomplicated pregnancy and pre-eclampsia: A reliability study
Authors: Tomsin, K.
Mesens, T.
Molenberghs, G.
Gyselaers, W.
Issue Date: 2012
Abstract: It has been reported that cardiac contractility is altered in pre-eclampsia compared with normal pregnancy. Because of the non-invasive nature of impedance cardiography (ICG), this method is gaining popularity in the obstetric field. We assessed the reliability of ICG measurements in uncomplicated 3rd trimester pregnancies (UP) and pre-eclamptic pregnancies (PE). ICG measurements were recorded before and after three position changes, and this examination was done twice (session 1 and 2) per subject. For each of the 22 haemodynamic parameters, inter- and intrasession Pearson's correlation coefficients (PCC) were calculated for mean values of 30 measurements per position per subject. PCC was consistently >= 0.80 for contractility parameters 'acceleration-', 'velocity-' and 'heather-index' in both UP and PE. These data illustrate that correlation between repeated ICG measurements of cardiac contractility is high under standardised conditions, and that ICG may be useful to study changes of cardiac contractility in pregnancy.
Notes: [Tomsin, K.; Mesens, T.; Gyselaers, W.] Ziekenhuis Oost Limburg, Dept Obstet & Gynaecol, B-3600 Genk, Belgium. [Tomsin, K.; Gyselaers, W.] Hasselt Univ, Fac Med, Diepenbeek, Belgium. [Molenberghs, G.] Hasselt Univ, I BioStat, Diepenbeek, Belgium.
URI: http://hdl.handle.net/1942/14248
DOI: 10.3109/01443615.2012.673036
ISI #: 000308368800005
ISSN: 1470-0328
Category: A1
Type: Journal Contribution
Validation: ecoom, 2013
Appears in Collections: Centre for Statistics
Biomedical Research Institute
Research Institute Center for Statistics

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