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2054 Prevalence of unsuspected abnormal findings in cardiac magnetic resonance imaging for pulmonary vein mapping
Journal of Cardiovascular Magnetic Resonance volume 10, Article number: A323 (2008)
Background
Cardiac magnetic resonance imaging (cMRI) has been utilized to evaluate the anatomy of the pulmonary veins (PV) for radiofrequency catheter ablation (RFCA) of atrial fibrillation. The purpose of our study was to assess the prevalence of significant findings identified on cMRI examinations ordered to assess PV anatomy.
Methods
We performed a retrospective review of consecutive patients with a diagnosis of atrial fibrillation who were either pre- or post-RFCA and underwent cMRI between December 2005 to September 2007. The prevalence of other significant findings was established by review of electronic medical records.
Results
Data were available from 105 cMRI studies of 61 patients. Of these, 38 patients underwent at least one other follow-up cMRI post-RFCA. Forty-two patients (69%) were male, with a mean age of 57 years. Thirty-seven patients (61%) had unexpected significant findings. These findings and their prevalence are summarized in the table in Figure 1.
Conclusion
As cardiac MRI is increasingly used for PV mapping, various anatomical abnormalities unrelated to atrial fibrillation will be identified. Our study revealed a high prevalence of unsuspected cardiac and vascular findings with potential clinical significance. Interpreters of these studies should be familiar with the spectrum of these abnormalities, and to have a practical approach to the management of these findings.
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Open Access This article is published under license to BioMed Central Ltd. This is an Open Access article is distributed under the terms of the Creative Commons Attribution 2.0 International License (https://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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Mendoza, D.D., Fuisz, A.R. 2054 Prevalence of unsuspected abnormal findings in cardiac magnetic resonance imaging for pulmonary vein mapping. J Cardiovasc Magn Reson 10 (Suppl 1), A323 (2008). https://doi.org/10.1186/1532-429X-10-S1-A323
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DOI: https://doi.org/10.1186/1532-429X-10-S1-A323
Keywords
- Catheter
- Atrial Fibrillation
- Medical Record
- Retrospective Review
- Pulmonary Vein