Cardiac MRI measurements and plasma volume according to regurgitant volume.
| Regurgitant volume <60 mL (N=24) | Regurgitant volume ≥60 mL (N=22) | P value | |
| Plasma volume, mL | 2924±354 | 3050±342 | 0.22 |
| Regurgitant volume, mL | 38±13 | 79±18 | <0.001 |
| Regurgitant fraction, % | 31±10 | 48±8 | <0.001 |
| LV End-Diastolic Volume Index, mL/m2 | 101±14 | 130±22 | <0.001 |
| LV End-Systolic Volume Index, mL/m2 | 39±9 | 48±14 | 0.009 |
| LV ejection fraction, % | 63±8 | 64±6 | 0.71 |
| Total LV Stroke Volume Index, mL/m2 | 63±8 | 83±12 | <0.001 |
| Indexed aorta flow*, mL/m2 | 41±8 | 39±8 | 0.75 |
| LV wall mass index, g/m2 | 57±12 | 70±18 | 0.006 |
| LV mass/LV end-diastolic volume, g/mL | 0.56±0.08 | 0.53±0.12 | 0.42 |
| LA Max Volume Index, mL/m2 | 80±16 | 105±21 | <0.001 |
| LA pre A volume index, mL/m2 | 59±13 | 76±15 | <0.001 |
| LA Minimal Volume Index, mL/m2 | 44±14 | 58±18 | 0.008 |
| LA fractional change, % | 46±9 | 46±8 | 0.76 |
| LA active systolic emptying fraction, % | 27±9 | 26±10 | 0.63 |
| RV End-Diastolic Volume Index, ml/m2 | 68±14 | 70±15 | 0.60 |
| RV End-Systolic Volume Index, ml/m2 | 27±7 | 32±11 | 0.09 |
| RV ejection fraction, % | 60±7 | 55±9 | 0.02 |
| RV Stroke Volume Index, ml/m2, | 41±9 | 38±9 | 0.35 |
Data are mean±SD unless otherwise indicated.
*(Aortic forward flow—aortic backward flow)/body surface area.
LA, left atrial; LV, left ventricular; RV, right ventricular.