Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/39711
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dc.contributor.authorCaminal, P.en
dc.contributor.authorGiraldo, B.en
dc.contributor.authorZabaleta, H.en
dc.contributor.authorVallverdu, M.en
dc.contributor.authorBenito, S.en
dc.contributor.authorBallesteros, D.en
dc.contributor.authorLopez-Rodriguez, L.en
dc.contributor.authorEsteban, A.en
dc.contributor.authorBaumert, M.en
dc.contributor.authorVoss, A.en
dc.date.issued2005en
dc.identifier.citation2005 27th Annual International Conference of the IEEE Engineering in Medicine and Biology Society : Shanghai, China, 31 August - 03 September 2005 / IEEE, pp. 4576-4579.en
dc.identifier.isbn0780387406en
dc.identifier.isbn9780780387409en
dc.identifier.issn0589-1019en
dc.identifier.urihttp://hdl.handle.net/2440/39711-
dc.description© Copyright 2005 IEEEen
dc.description.abstractAssessing autonomic control provides information about patho-physiological imbalances. Measures of variability of the cardiac interbeat duration RR(n) and the variability of the breath duration T Tot(n) are sensitive to those changes. The interactions between RR(n) and TTot(n) are complex and strongly non-linear. A study of joint symbolic dynamics is presented as a new short-term non-linear analysis method to investigate these interactions in patients on weaning trials. 78 patients from mechanical ventilation are studied: Group A (patients that failed to maintain spontaneous breathing and were reconnected) and Group B (patients with successful trials). Using the concept of joint symbolic dynamics, cardiac and respiratory changes were transformed into a word series, and the probability of occurrence of each word type was calculated and compared between both groups. Significant differences were found in 13 words, and the most significant pn(wc010, r010): 0.0041 plusmn 0.0036 (group A) against 0.0012 plusmn 0.0024 (group B), p-value = 0.00001. The number of seldom occurring word types (forbidden words) also presents significant differences fwcr: 6.9 plusmn 6.6 against 13.5 plusmn 5.3, p-value = 0.00004. Joint symbolic dynamics provides an efficient non-linear representation of cardiorespiratory interactions that offers simple physiological interpretationsen
dc.description.statementofresponsibilityCaminal, P. Giraldo, B. Zabaleta, H. Vallverdu, M. Benito, S. Ballesteros, D. Lopez-Rodriguez, L. Esteban, A. Baumert, M. Voss, A.en
dc.language.isoenen
dc.publisherIEEE - Institute of Electrical and Electronics Engineersen
dc.relation.ispartofseriesPROCEEDINGS OF ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETYen
dc.titleJoint symbolic dynamic analysis of cardiorespiratory interactions in patients on weaning trialsen
dc.typeConference paperen
dc.identifier.rmid0020073760en
dc.contributor.conferenceIEEE Engineering in Medicine and Biology Society. Conference (27th : 2005 : Shanghai, China)en
dc.identifier.doi10.1109/IEMBS.2005.1615488en
dc.publisher.placeOnlineen
dc.identifier.pubid46830-
pubs.library.collectionElectrical and Electronic Engineering publicationsen
pubs.verification-statusVerifieden
pubs.publication-statusPublisheden
dc.identifier.orcidBaumert, M. [0000-0003-2984-2167]en
Appears in Collections:Electrical and Electronic Engineering publications

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