Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/36609
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dc.contributor.authorVoss, A.en
dc.contributor.authorBaumert, M.en
dc.contributor.authorBaier, V.en
dc.contributor.authorStepan, R.en
dc.contributor.authorWalther, T.en
dc.contributor.authorFaber, R.en
dc.date.issued2003en
dc.identifier.citationProceedings of the 25th Annual International Conference of the IEEE Engineering in Medicine and Biology Society: a new beginning for human health : 17-21 September, 2003, Cancún, Mexico / Jorge E. Monzón, José C. Principe (eds.), volume 1:pp.252-255en
dc.identifier.isbn0-7803-7789-3en
dc.identifier.issn0589-1019en
dc.identifier.urihttp://hdl.handle.net/2440/36609-
dc.descriptionCopyright © 2003 IEEEen
dc.description.abstractHypertensive pregnancy disorders have a deep impact on gestation and are a major cause of maternal and fetal mortality. This study was conducted to proof whether changes in the cardiovascular regulation in pregnancy induced hypertension (PIH) can be quantified by heart rate and blood pressure interaction analyses in comparison to healthy pregnancies (CON). Blood pressure recordings of 20 CON and 18 PIH patients were analysed. The measurements were performed under standardized resting conditions over a period of 30 minutes using the non-invasive Portapres M2 blood pressure monitor. For heart rate and blood pressure interaction analyses baroreflex sequence method, cross-correlation, cross-transinformation and joint symbolic dynamics were applied. Parameters derived from the sequence method (tslope; p<0,01, bslope; p<0,05) as well as from the joint symbolic dynamics (JSDsym and JSDdiam; p<0,05; JSDshannon; p<0,01) revealed significant differences between CON and PIH and were only slightly correlated (|r|<0.5) with each other. In contrast, no significant differences were found with the cross-transinformation and cross-correlation function techniques. In conclusion, heart rate and blood pressure interactions differ between CON and PIH. For the quantification of these alterations the sequence method and especially joint symbolic dynamics are suitable and might lead to an improved risk stratification during pregnancy.en
dc.description.statementofresponsibilityA. Voss, M. Baumert, V. Baier, H. Stepan, T. Walther, R. Faberen
dc.language.isoenen
dc.publisherIEEEen
dc.relation.ispartofseriesPROCEEDINGS OF ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETYen
dc.titleLinear and nonhlinear interaction analyses of heart rate and blood pressure in pregnancy induced hypertensionen
dc.typeConference paperen
dc.identifier.rmid0020065533en
dc.contributor.conferenceIEEE Engineering in Medicine and Biology Society. Conference (25th : 2003 : Cancún, Mexico)en
dc.identifier.doi10.1109/IEMBS.2003.1279595en
dc.publisher.placeOnlineen
dc.identifier.pubid49710-
pubs.library.collectionElectrical and Electronic Engineering publicationsen
pubs.verification-statusVerifieden
pubs.publication-statusPublisheden
Appears in Collections:Electrical and Electronic Engineering publications

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