TY - GEN
T1 - Imaging three-dimensional ventricular activation sequence under dual-site pacing in a rabbit model
AU - Han, C.
AU - Liu, Z.
AU - Liu, C.
AU - Pogwizd, S.
AU - He, Bin
N1 - Copyright:
Copyright 2011 Elsevier B.V., All rights reserved.
PY - 2007
Y1 - 2007
N2 - In the present study, computer simulations were conducted to evaluate the performance of a recently reported three-dimensional ventricular activation sequence imaging technique based on the inverse solution of distributed equivalent current density. The present simulation setting utilized the realistic geometries and conductivities of a real rabbit's heart and torso. Ventricular activation was simulated by dual pacing in a cellular automaton heart model. The imaging performance was assessed by quantitatively comparing the estimated and simulated activation time distributions, as indexed by the correlation coefficient (CC) and relative error (RE). Based on 197-channel body surface potential maps (BSPMs) with 20-μV additive Gaussian white noise (GWN), the activation sequence could be consistently reconstructed (CC=0.89 and RE=0.24 averaged over 10 pairs of pacing sites). These results provide important baseline data for future experimental validation studies based on the rabbit model.
AB - In the present study, computer simulations were conducted to evaluate the performance of a recently reported three-dimensional ventricular activation sequence imaging technique based on the inverse solution of distributed equivalent current density. The present simulation setting utilized the realistic geometries and conductivities of a real rabbit's heart and torso. Ventricular activation was simulated by dual pacing in a cellular automaton heart model. The imaging performance was assessed by quantitatively comparing the estimated and simulated activation time distributions, as indexed by the correlation coefficient (CC) and relative error (RE). Based on 197-channel body surface potential maps (BSPMs) with 20-μV additive Gaussian white noise (GWN), the activation sequence could be consistently reconstructed (CC=0.89 and RE=0.24 averaged over 10 pairs of pacing sites). These results provide important baseline data for future experimental validation studies based on the rabbit model.
UR - http://www.scopus.com/inward/record.url?scp=48049122449&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=48049122449&partnerID=8YFLogxK
U2 - 10.1109/NFSI-ICFBI.2007.4387749
DO - 10.1109/NFSI-ICFBI.2007.4387749
M3 - Conference contribution
AN - SCOPUS:48049122449
SN - 1424409489
SN - 9781424409488
T3 - Proc. of 2007 Joint Meet. of the 6th Int. Symp. on Noninvasive Functional Source Imaging of the Brain and Heart and the Int. Conf. on Functional Biomedical Imaging, NFSI and ICFBI 2007
SP - 272
EP - 273
BT - Proc. of 2007 Joint Meet. of the 6th Int. Symp. on Noninvasive Functional Source Imaging of the Brain and Heart and the Int. Conf. on Functional Biomedical Imaging, NFSI and ICFBI 2007
T2 - 2007 Joint Meeting of the 6th International Symposium on Noninvasive Functional Source Imaging of the Brain and Heart and the International Conference on Functional Biomedical Imaging, NFSI and ICFBI 2007
Y2 - 12 October 2007 through 14 October 2007
ER -