TY - GEN
T1 - Analysis of RR intervals time series of congestive heart failure patients with Higuchi's fractal dimension
AU - Muñoz Diosdado, A.
AU - Gálvez Coyt, G.
AU - Pérez Uribe, B. M.
AU - Arellanes González, J.
PY - 2009
Y1 - 2009
N2 - We study time series of RR intervals of subjects with normal sinus rhythm (NSR) during sleep and wake phases and we also analyze time series of subjects with congestive heart failure (CHF) in both phases with the method of Higuchi's fractal dimension. We have found the presence of oscillations in the plots we have used to evaluate the Higuchi's fractal dimension; these oscillations seem to be associated with the appearance of periodicities in the time series of CHF patients in the sleep phase. These periodicities do not appear in all the six hours of the sleep phase, so this regular behavior is not observed in all sleep stages. It could be possible that patients that always show these periodicities are in worst condition, and it is possible that the disease worsens when periodicities appear in the Higuchi's graph.
AB - We study time series of RR intervals of subjects with normal sinus rhythm (NSR) during sleep and wake phases and we also analyze time series of subjects with congestive heart failure (CHF) in both phases with the method of Higuchi's fractal dimension. We have found the presence of oscillations in the plots we have used to evaluate the Higuchi's fractal dimension; these oscillations seem to be associated with the appearance of periodicities in the time series of CHF patients in the sleep phase. These periodicities do not appear in all the six hours of the sleep phase, so this regular behavior is not observed in all sleep stages. It could be possible that patients that always show these periodicities are in worst condition, and it is possible that the disease worsens when periodicities appear in the Higuchi's graph.
UR - http://www.scopus.com/inward/record.url?scp=84903873532&partnerID=8YFLogxK
U2 - 10.1109/IEMBS.2009.5334596
DO - 10.1109/IEMBS.2009.5334596
M3 - Contribución a la conferencia
C2 - 19964984
AN - SCOPUS:84903873532
SN - 9781424432967
T3 - Proceedings of the 31st Annual International Conference of the IEEE Engineering in Medicine and Biology Society: Engineering the Future of Biomedicine, EMBC 2009
SP - 3453
EP - 3456
BT - Proceedings of the 31st Annual International Conference of the IEEE Engineering in Medicine and Biology Society
T2 - 31st Annual International Conference of the IEEE Engineering in Medicine and Biology Society: Engineering the Future of Biomedicine, EMBC 2009
Y2 - 2 September 2009 through 6 September 2009
ER -