Table 1 Baseline echocardiographic and MRI data
From: The use of MRI in quantification of the atrial fibrosis in patients with rheumatic mitral disease
| Variable | Mean (SD) or no (%) |
|---|---|
| Valve lesion | |
| Mitral stenosis | 50 (83.3%) |
| Double mitral valve disease | 10 (16.7%) |
| Mitral valve area by echocardiography, cm2 | 1.25 ± 0.17 |
| Atrial dimension | |
| LA diameter by echocardiography, cm | 4.82 ± 0.51 |
| LA diameter by echocardiography/BSA, cm/m2 | 2.62 ± 0.308 |
| Atrial volume | |
| LA volume by echocardiography, ml | 73.03 ± 7.73 |
| LA volume index by echocardiography, ml/m2 | 39.75 ± 4.64 |
| Amount of fibrosis by DE-MRI | |
| No fibrosis | 20 (33.3%) |
| Mild fibrosis | 13 (21.7%) |
| Moderate fibrosis | 12 (20%) |
| Severe fibrosis | 15 (25%) |
| Distribution of fibrosis by DE-MRI | |
| Left atrium | |
| Posterior wall | 34 (55.7%) |
| Anterior wall | 18 (29.5%) |
| Septum | 21 (34.4%) |
| Right atrium | 25 (41%) |