NDLI: Coronary sinus lead tracking for its 3D dynamic position assessment in cardiac resynchronization therapy

Content Provider	IEEE Xplore Digital Library
Author	Corsi, C. Veronesi, F. Mosconi, R. Tomasi, C. Severi, S. Margheri, M. Lamberti, C.
Copyright Year	2009
Description	Author affiliation: Cardiovascular Dept, Santa Maria delle Croci Hospital, Ravenna, Italy (Tomasi, C.; Margheri, M.) \|\| Department of Electronics, Computer Science and Systems, University of Bologna, Italy (Corsi, C.; Veronesi, F.; Mosconi, R.; Severi, S.; Lamberti, C.)
Abstract	Cardiac resynchronization therapy (CRT) has been successfully used in patients affected by heart failure and left ventricular (LV) systolic dysfunction with LV dissyncrony. However, a variable number of patients (20%–30%) do not respond favorably to CRT due to several possible, still uncertain factors. One possible cause is the displacement of the electrode tip from effectively resynchronizing stimulation sites. In this study we (1) developed a procedure aimed at quantifying the coronary sinus (CS) lead tip position in the 3D domain throughout the cardiac cycle and (2) tested this procedure by comparing the CS lead position at device implantation (t0) and at three-months follow-up (t1) using chest fluoroscopy. Our procedure for the assessment of the CS lead position was successfully applied to ten patients. The accuracy resulted in 0.8±0.4 mm, giving a resolution of 1.7 mm. The repeatability was 0.4±0.4 mm. Six patients were evaluated at follow-up and the qualitative check of displacement from fluoroscopy videos did not contradict our quantitative analysis. The proposed technique allowed quantitative evaluation of CS lead position and tracking in 3D space.
Starting Page	641
Ending Page	644
File Size	745131
Page Count	4
File Format	PDF
ISBN	9781424472819
ISSN	02766547
e-ISBN	9781424472826
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-09-13
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Computers in Cardiology(CinC)
Subject Keyword	Medical treatment Cathode ray tubes Implants Heart Videos Cardiology Pixel Computer science Hospitals Electrocardiography
Content Type	Text
Resource Type	Article

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