Table 3.
Magnetic resonance elastography, 2D and tissue Doppler echocardiography, and cardiac magnetic resonance imaging data in patients with and without constrictive pericarditis.
| Constriction (N=9) | No Constriction (N=10) | P value | |
|---|---|---|---|
| Magnetic Resonance Elastography | |||
| Automatic Liver Stiffness (kPa) | 4.04 ± 1.83 | 2.46 ± 0.56 | 0.045 |
| Echocardiography | |||
| Abnormal Septal Motion (%) | 9 (100) | 2 (20) | 0.0007 |
| HV Diastolic Expiratory Reversal Ratio ≥ 0.79 (%) | 4# (67) | 0 (0) | 0.29 |
| HV Diastolic Expiratory Reversal Ratio (mean±SD) | 1.2 ± 0.74 | 0.51 ± 0.21 | 0.01 |
| Medial Mitral Annulus e’ velocity > 9 m/sec (%) | 6 (67) | 4 (40) | 0.37 |
| Medial Mitral Annulus e’ velocity (m/sec) | 0.12 ± 0.04 | 0.08 ± 0.03 | 0.04 |
| Lateral Mitral Annulus e’ Velocity (m/sec) | 0.12 ± 0.03 | 0.11 ± 0.03 | 0.41 |
| Medial e’ > Lateral e’ (%) | 4 (44) | 0 (0) | 0.03 |
| Mitral Inflow Velocity Variation > 25% (%) | 6 (67) | 2 (20) | 0.07 |
| Inferior Vena Cava Plethora > 21 mm (%) | 6 (67) | 0 (0) | 0.003 |
| Estimated Right Atrial Pressure (mmHg) | 12 ± 6 | 5 ± 0 | 0.001 |
| Pericardial Effusion (%) | 3 (33) | 2 (20) | 0.63 |
| LV Ejection Fraction (%;mean±SD) | 58 ± 8 | 64 ± 5 | 0.09 |
| LV Cardiac Index (l/min/m2) | 3.14 ± 0.64 | 3.00 ± 0.83 | 0.54 |
| LV Stroke Volume (ml) | 82 ± 18 | 81 ± 22 | 0.93 |
| LV Stroke Volume Index (ml/m2) | 39 ± 6 | 43 ± 23 | 0.90 |
| Cardiac MRI | |||
| Pericardial Thickening (%) | 7 (78) | 6 (60) | 0.63 |
| Pericardial Thickness (mm) | 5 ± 2 | 5 ± 3 | 0.53 |
| Pericardial Effusion (%) | 5 (56) | 6 (60) | 1.0 |
| Pericardial Delayed Enhancement (%) | 8 (89) | 8 (80) | 1.0 |
| Early Diastolic Septal Bounce (%) | 9 (100) | 4 (40) | 0.01 |
| Interventricular Dependence (%) | 8 (89) | 5 (50) | 0.14 |
| Inferior Vena Cava Size (mm) | 26 ± 3 | 22 ± 3 | 0.03 |
| Inferior Vena Cava Plethora | 8 (89) | 6 (60) | 0.30 |
| LVEDV (ml) | 130 ± 55 | 105 ± 30** | 0.54 |
| LVEDV Index (ml/m2) | 61 ± 18 | 54 ± 14** | 0.62 |
| LV Stroke Volume (ml) | 77 ± 22 | 68 ± 15** | 0.54 |
| LV Stroke Volume Index (ml/m2) | 37 ± 7 | 35 ± 9** | 0.82 |
| LV Ejection Fraction (%) | 63 ± 12 | 66 ± 9** | 0.93 |
| LV End Diastolic Mass (g/m2) | 68 ± 24 | 57 ± 16** | 0.45 |
| RVEDV (ml) | 141 ± 55 | 120 ± 27** | 0.89 |
| RVEDV Index (ml/m2) | 69 ± 18 | 63 ± 14** | 0.74 |
| RV Stroke Volume (ml) | 72 ± 17 | 66 ± 14** | 0.85 |
| RV Stroke Volume Index (ml/m2) | 36 ± 6* | 35 ± 8** | 0.88 |
| RV Ejection Fraction | 55 ± 8 | 55 ± 3** | 0.63 |
Values are expressed as mean ± standard deviation unless otherwise stated; HV, Hepatic Vein; LV, Left Ventricular; MRI, magnetic resonance imaging; LVEDV, Left Ventricular End Diastolic Volume; RVEDV, Right Ventricular End Diastolic Volume; RV, Right Ventricular;
#
N=6;
*
N=8;
**
N=9;