Why the study?
Does preprocedural MRI provide valuable anatomical assessment of pulmonary veins in patients undergoing catheter ablation for atrial fibrillation?
Does preprocedural MRI provide valuable anatomical assessment of pulmonary veins in patients undergoing catheter ablation for atrial fibrillation?
Preprocedural MRI is a valuable imaging modality for assessing pulmonary vein anatomy and stenosis prior to atrial fibrillation ablation.
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MRI may aid PV assessment before AF ablation; leaves open whether it improves procedural outcomes versus alternatives.
This study demonstrates that AF patient have larger PVs than control subjects and demonstrates the value of MRI in facilitating AF ablation. The benefits of preprocedural MRI of PVs include the ability to evaluate the number, size, and shape of the PVs. MRI also provides an assessment of the severity of PV stenosis.
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Kato et al. (2003) studied this question.
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