- Poster presentation
- Open Access
Pulmonary vein stenoses are reversible early after plumonary vein isolation in patients with paroxysmal atrial fibrillation – a cardiac mri analysis
© Mahnkopf et al; licensee BioMed Central Ltd. 2009
- Published: 28 January 2009
- Pleural Effusion
- Pulmonary Vein
- Cardiac Magnetic Resonance
- Maximum Intensity Projection
- Cardiac Magnetic Resonance Tomography
To evaluate pulmonary vein diameter and blood flow in patients with PVI using CMR.
Pulmonary vein isolation (PVI) has become a efficient therapie in patients with paroxysmal atrial fibrillation (AF). A serious complication of PVI is the pulmonary vein stenosis, which is mostly diagnosed several weeks after intervention. The cardiac magnetic resonance tomography (CMR) allows analysis of heart function and pulmonary veins after ablation therapy.
Patients with paroxysmal AF were scheduled for CMR (Siemens Espree 1.5 T, Siemens, Germany) before, immediately after, and 24 hours after PVI. For pulmonary vein diameter and blood flow analysis, angiography of the pulmonary veins and flow measurements of the right inferior pulmonary vein (RIPV) were performed. Maximum intensity projections (MIP) were created for offline analysis.
Patients with paroxysmal atrial fibrillation might suffer from pulmonary vein stenosis, pulmonary congestion and pleural effusion early after PVI. As symptoms were regressive within 24 hours after ablation, edema of the vessel tissue might be one the main reasons for the deterioration. Further studies are needed to specify these findings.
This article is published under license to BioMed Central Ltd.