Europace Advance Access originally published online on September 2, 2009
Europace 2009 11(11):1483-1490; doi:10.1093/europace/eup237
| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Pacing and CRT
Accuracy and usefulness of fusion imaging between three-dimensional coronary sinus and coronary veins computed tomographic images with projection images obtained using fluoroscopy
1 Division of Cardiology, Fondazione Cardiocentro Ticino, Lugano, Switzerland; 2 GE Healthcare, Buc, France; 3 Division of Cardiology, University of Perugia, School of Medicine, Perugia, Italy; 4 Biometry and Clinical Epidemiology Service, Research Department, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy
Aims: Coronary sinus (CS) and coronary veins are not delineated by fluoroscopy. The study evaluates the feasibility and accuracy of cardiac tomography (CT) image registration of CS anatomy on fluoroscopic image.
Methods and results: Eighteen consecutive patients underwent contrast-enhanced, ECG-gated CT scanning. Coronary sinus, coronary veins, superior vena cava, the distal portion of the trachea, and of the two main bronchi were reconstructed. These images were then fused over the CS fluoroscopic angiogram. Registration accuracy was verified by assessing the overlap of CS borders both in the CT- and in the fluoroscopy-derived images. The mean distance between the centrelines of the CS was 0.73 mm, with a maximum distance of 2.22 mm. For the first-order branches, mean distance was 0.80 mm with a maximum distance of 2.64 mm. High Lin concordance correlation coefficients were computed (>0.95) for the CS and first-order branch diameters, although the Bland and Altman limits were large. The agreement between the number of vessels identified was moderate with 
= 0.43.
Conclusion: Fusion imaging processing of two different imaging modalities (CT and fluoroscopy) may be feasible and accurate for guiding CRT implantation as it allows constant comprehensive display of CS body and branches. Prospective studies are needed for assessing clinical implications.
Key Words: Coronary sinus anatomy, Computed tomography imaging, Cardiac resynchronization therapy, Heart failure, Device therapy
* Corresponding author. Tel: +41 91 805 3340, Fax: +41 91 805 3167, Email: angelo.auricchio{at}cardiocentro.org
Manuscript submitted 20 May 2009. Accepted after revision 3 August 2009.
CiteULike 
Connotea 
Del.icio.us What's this?
Related articles in Europace:
- Cardiac registration: going further than atrial fibrillation ablation
- Jasbir Sra
Europace 2009 11: 1417-1418.[Full Text]
This article has been cited by other articles:
|
|
 |
|
  J. Sra Cardiac registration: going further than atrial fibrillation ablation Europace, November 1, 2009; 11(11): 1417 - 1418. [Full Text] [PDF]
|
|