Rishi Anand1, Maxim V Gorev2,3, Hermine Poghosyan2,4, Lindsay Pothier2, John Matkins5, Gregory Kotler6, Sarah Moroz2, James Armstrong2, Sergei V Nemtsov2, Michael V Orlov7. 1. Holy Cross Hospital, Fort Lauderdale, FL, USA. 2. Steward St. Elizabeth's Medical Center, 736 Cambridge Street, Boston, MA, 02135, USA. 3. , Medical Center #23, Moscow, Russian Federation. 4. Malatia Medical Center, Yerevan, Armenia. 5. St Jude Medical, Minneapolis, MN, USA. 6. Brigham and Women's Hospital, Boston, MA, USA. 7. Steward St. Elizabeth's Medical Center, 736 Cambridge Street, Boston, MA, 02135, USA. mvoepdoc@gmail.com.
Abstract
PURPOSE: To compare the efficacy and accuracy of rotational angiography with three-dimensional reconstruction (3DATG) image merged with electro-anatomical mapping (EAM) vs. CT-EAM. METHODS: A prospective, randomized, parallel, two-center study conducted in 36 patients (25 men, age 65 ± 10 years) undergoing AF ablation (33 % paroxysmal, 67 % persistent) guided by 3DATG (group 1) vs. CT (group 2) image fusion with EAM. 3DATG was performed on the Philips Allura Xper FD 10 system. Procedural characteristics including time, radiation exposure, outcome, and navigation accuracy were compared between two groups. RESULTS: There was no significant difference between the groups in total procedure duration or time spent for various procedural steps. Minor differences in procedural characteristics were present between two centers. Segmentation and fusion time for 3DATG or CT-EAM was short and similar between both centers. Accuracy of navigation guided by either method was high and did not depend on left atrial size. Maintenance of sinus rhythm between the two groups was no different up to 24 months of follow-up. CONCLUSION: This study did not find superiority of 3DATG-EAM image merge to guide AF ablation when compared to CT-EAM fusion. Both merging techniques result in similar navigation accuracy.
RCT Entities:
PURPOSE: To compare the efficacy and accuracy of rotational angiography with three-dimensional reconstruction (3DATG) image merged with electro-anatomical mapping (EAM) vs. CT-EAM. METHODS: A prospective, randomized, parallel, two-center study conducted in 36 patients (25 men, age 65 ± 10 years) undergoing AF ablation (33 % paroxysmal, 67 % persistent) guided by 3DATG (group 1) vs. CT (group 2) image fusion with EAM. 3DATG was performed on the Philips Allura Xper FD 10 system. Procedural characteristics including time, radiation exposure, outcome, and navigation accuracy were compared between two groups. RESULTS: There was no significant difference between the groups in total procedure duration or time spent for various procedural steps. Minor differences in procedural characteristics were present between two centers. Segmentation and fusion time for 3DATG or CT-EAM was short and similar between both centers. Accuracy of navigation guided by either method was high and did not depend on left atrial size. Maintenance of sinus rhythm between the two groups was no different up to 24 months of follow-up. CONCLUSION: This study did not find superiority of 3DATG-EAM image merge to guide AF ablation when compared to CT-EAM fusion. Both merging techniques result in similar navigation accuracy.
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