Why the study?
Does endoluminal 3D reconstruction of MRA improve the assessment of pulmonary vein ostial geometry compared to external 3D reconstruction in patients undergoing PV isolation?
Population
28 patients undergoing magnetic resonance angiography for left atrial and pulmonary vein anatomy assessment
Comparison
Endoluminal three-dimensional reconstructions of… vs External three-dimensional reconstructions of MRA
Design
Cross-sectional
Authors
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Endoluminal 3D MRA was associated with better PV ostial assessment; leaves open whether narrow ridges should alter isolation technique.
Does endoluminal 3D reconstruction of MRA improve the assessment of pulmonary vein ostial geometry compared to external 3D reconstruction in patients undergoing PV isolation?
Endoluminal 3D MRA reconstructions provide precise anatomical details of pulmonary vein ostia, suggesting that individual encircling of every PV during isolation should be discouraged due to narrow separating ridges.
Schmidt et al. (2006) studied this question.