Please use this identifier to cite or link to this item: http://hdl.handle.net/10316/27895
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dc.contributor.authorAlmeida, Vânia G.-
dc.contributor.authorBorba, J.-
dc.contributor.authorPereira, H. Catarina-
dc.contributor.authorPereira, Tânia-
dc.contributor.authorCorreia, Carlos-
dc.contributor.authorPêgo, Mariano-
dc.contributor.authorCardoso, João-
dc.date.accessioned2014-12-15T14:15:42Z-
dc.date.available2014-12-15T14:15:42Z-
dc.date.issued2014-11-
dc.identifier.citationALMEIDA, Vânea G. [et. al] - Cardiovascular risk analysis by means of pulse morphology and clustering methodologies. "Computer Methods and Programs in Biomedicine". ISSN 0169-2607. Vol. 117 Nº. 2 (2014) p. 257–266por
dc.identifier.issn0169-2607-
dc.identifier.urihttp://hdl.handle.net/10316/27895-
dc.description.abstractThe purpose of this study was the development of a clustering methodology to deal with arterial pressure waveform (APW) parameters to be used in the cardiovascular risk assessment. One hundred sixteen subjects were monitored and divided into two groups. The first one (23 hypertensive subjects) was analyzed using APW and biochemical parameters, while the remaining 93 healthy subjects were only evaluated through APW parameters. The expectation maximization (EM) and k-means algorithms were used in the cluster analysis, and the risk scores (the Framingham Risk Score (FRS), the Systematic COronary Risk Evaluation (SCORE) project, the Assessing cardiovascular risk using Scottish Intercollegiate Guidelines Network (ASSIGN) and the PROspective Cardiovascular Münster (PROCAM)), commonly used in clinical practice were selected to the cluster risk validation. The result from the clustering risk analysis showed a very significant correlation with ASSIGN (r = 0.582, p < 0.01) and a significant correlation with FRS (r = 0.458, p < 0.05). The results from the comparison of both groups also allowed to identify the cluster with higher cardiovascular risk in the healthy group. These results give new insights to explore this methodology in future scoring trials.por
dc.language.isoengpor
dc.publisherElsevierpor
dc.rightsopenAccesspor
dc.subjectArterial stiffnesspor
dc.subjectPulse wave analysispor
dc.subjectRisk scorespor
dc.subjectClustering analysispor
dc.titleCardiovascular risk analysis by means of pulse morphology and clustering methodologiespor
dc.typearticlepor
degois.publication.firstPage257por
degois.publication.lastPage266por
degois.publication.issue2por
degois.publication.titleComputer Methods and Programs in Biomedicinepor
dc.relation.publisherversionhttp://www.sciencedirect.com/science/article/pii/S0169260714002442por
dc.peerreviewedYespor
dc.identifier.doi10.1016/j.cmpb.2014.06.010-
degois.publication.volume117por
item.fulltextCom Texto completo-
item.grantfulltextopen-
item.languageiso639-1en-
Appears in Collections:FCTUC Física - Artigos em Revistas Internacionais
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