Inverse solution electrocardiographic mapping of epicardial pacing correlates with three-dimensional electroanatomic mapping

J. L. Sapp; F. Dawoud; J. Clements; M. J. Gardner; M. N. Basta; R. Parkash; B. M. Horacek

doi:10.1109/CIC.2007.4745599

Inverse solution electrocardiographic mapping of epicardial pacing correlates with three-dimensional electroanatomic mapping

J. L. Sapp, F. Dawoud, J. Clements, M. J. Gardner, M. N. Basta, R. Parkash, B. M. Horacek

Medicine

Medicine

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

1 Citation (Scopus)

Abstract

We hypothesized that the calculation of epicardial potentials from body-surface potential maps (BSPMs) could aid ablation of ventricular tachycardia (VT). BSPMs were recorded during epicardial catheter mapping and pacing in 2 patients. Single-beat epicardial maps were calculated by inverse solution using customized torso/cardiac geometry, discretized from a CT scan. During pacing from 48 epicardial sites, we observed stimulus-QRS delay (Stim-QRS) of 27 ± 7 ms and a difference between known pacing locations and calculated sites of earliest potential minima of 1.6 ± 1.4 cm. Pacing in scar and scar-border zones had longer Stim-QRS delay (51 ± 24 ms and 35 ± 23 ms, respectively, p=0.004), and greater distances between known pacing sites and known locations (3.0 ± 1.6 cm and 4.6 ± 2.0 cm, respectively, p=0.0004). BSPM with inverse solution mapping can identify sites of earliest epicardial activation and thus could have clinical utility.

Original language	English
Title of host publication	Computers in Cardiology 2007, CAR 2007
Pages	769-772
Number of pages	4
DOIs	https://doi.org/10.1109/CIC.2007.4745599
Publication status	Published - 2007
Event	Computers in Cardiology 2007, CAR 2007 - Durham, NC, United States Duration: Sept 30 2007 → Oct 3 2007

Publication series

Name	Computers in Cardiology
Volume	34
ISSN (Print)	0276-6574

Conference

Conference	Computers in Cardiology 2007, CAR 2007
Country/Territory	United States
City	Durham, NC
Period	9/30/07 → 10/3/07

ASJC Scopus Subject Areas

Computer Science Applications
Cardiology and Cardiovascular Medicine

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10.1109/CIC.2007.4745599

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Sapp, J. L., Dawoud, F., Clements, J., Gardner, M. J., Basta, M. N., Parkash, R., & Horacek, B. M. (2007). Inverse solution electrocardiographic mapping of epicardial pacing correlates with three-dimensional electroanatomic mapping. In Computers in Cardiology 2007, CAR 2007 (pp. 769-772). Article 4745599 (Computers in Cardiology; Vol. 34). https://doi.org/10.1109/CIC.2007.4745599

Sapp, JL, Dawoud, F, Clements, J, Gardner, MJ, Basta, MN, Parkash, R & Horacek, BM 2007, Inverse solution electrocardiographic mapping of epicardial pacing correlates with three-dimensional electroanatomic mapping. in Computers in Cardiology 2007, CAR 2007., 4745599, Computers in Cardiology, vol. 34, pp. 769-772, Computers in Cardiology 2007, CAR 2007, Durham, NC, United States, 9/30/07. https://doi.org/10.1109/CIC.2007.4745599

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abstract = "We hypothesized that the calculation of epicardial potentials from body-surface potential maps (BSPMs) could aid ablation of ventricular tachycardia (VT). BSPMs were recorded during epicardial catheter mapping and pacing in 2 patients. Single-beat epicardial maps were calculated by inverse solution using customized torso/cardiac geometry, discretized from a CT scan. During pacing from 48 epicardial sites, we observed stimulus-QRS delay (Stim-QRS) of 27 ± 7 ms and a difference between known pacing locations and calculated sites of earliest potential minima of 1.6 ± 1.4 cm. Pacing in scar and scar-border zones had longer Stim-QRS delay (51 ± 24 ms and 35 ± 23 ms, respectively, p=0.004), and greater distances between known pacing sites and known locations (3.0 ± 1.6 cm and 4.6 ± 2.0 cm, respectively, p=0.0004). BSPM with inverse solution mapping can identify sites of earliest epicardial activation and thus could have clinical utility.",

author = "Sapp, {J. L.} and F. Dawoud and J. Clements and Gardner, {M. J.} and Basta, {M. N.} and R. Parkash and Horacek, {B. M.}",

year = "2007",

doi = "10.1109/CIC.2007.4745599",

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series = "Computers in Cardiology",

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AU - Sapp, J. L.

AU - Dawoud, F.

AU - Clements, J.

AU - Gardner, M. J.

AU - Basta, M. N.

AU - Parkash, R.

AU - Horacek, B. M.

PY - 2007

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N2 - We hypothesized that the calculation of epicardial potentials from body-surface potential maps (BSPMs) could aid ablation of ventricular tachycardia (VT). BSPMs were recorded during epicardial catheter mapping and pacing in 2 patients. Single-beat epicardial maps were calculated by inverse solution using customized torso/cardiac geometry, discretized from a CT scan. During pacing from 48 epicardial sites, we observed stimulus-QRS delay (Stim-QRS) of 27 ± 7 ms and a difference between known pacing locations and calculated sites of earliest potential minima of 1.6 ± 1.4 cm. Pacing in scar and scar-border zones had longer Stim-QRS delay (51 ± 24 ms and 35 ± 23 ms, respectively, p=0.004), and greater distances between known pacing sites and known locations (3.0 ± 1.6 cm and 4.6 ± 2.0 cm, respectively, p=0.0004). BSPM with inverse solution mapping can identify sites of earliest epicardial activation and thus could have clinical utility.

AB - We hypothesized that the calculation of epicardial potentials from body-surface potential maps (BSPMs) could aid ablation of ventricular tachycardia (VT). BSPMs were recorded during epicardial catheter mapping and pacing in 2 patients. Single-beat epicardial maps were calculated by inverse solution using customized torso/cardiac geometry, discretized from a CT scan. During pacing from 48 epicardial sites, we observed stimulus-QRS delay (Stim-QRS) of 27 ± 7 ms and a difference between known pacing locations and calculated sites of earliest potential minima of 1.6 ± 1.4 cm. Pacing in scar and scar-border zones had longer Stim-QRS delay (51 ± 24 ms and 35 ± 23 ms, respectively, p=0.004), and greater distances between known pacing sites and known locations (3.0 ± 1.6 cm and 4.6 ± 2.0 cm, respectively, p=0.0004). BSPM with inverse solution mapping can identify sites of earliest epicardial activation and thus could have clinical utility.

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Inverse solution electrocardiographic mapping of epicardial pacing correlates with three-dimensional electroanatomic mapping

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