Table 5.
4D measurements of the great vessels and valves in the patient cohort.
Left heart | Right heart | |||||
---|---|---|---|---|---|---|
4Dprosp | 4Dretro | p | 4Dprosp | 4Dretro | p | |
Vessels | Ascending aorta | Pulmonary artery | ||||
Total volume (ml) | 73 ± 13 | 66 ± 12 | 0.08 | 72 ± 10 | 75 ± 9 | 0.38 |
Cardiac output (L/min) | 4.9 ± 0.9 | 4.5 ± 1.1 | 0.23 | 4.9 ± 1.0 | 5.2 ± 0.8 | 0.36 |
Max flow rate (ml/s) | 322 ± 66 | 287 ± 12 | 0.04 | 319 ± 56 | 330 ± 62 | 0.65 |
Max velocity (cm/s) | 75 ± 24 | 70 ± 25 | 0.20 | 78 ± 5 | 81 ± 21 | 0.73 |
Max pressure gradient (mmHg) | 2.5 ± 1.6 | 2.2 ± 1.4 | 0.25 | 2.4 ± 0.3 | 2.8 ± 1.6 | 0.63 |
Pulse wave velocity (m/s) | 9.0 ± 3.8 | 8.4 ± 2.8 | 0.69 | |||
Semilunar valves | Aortic valve | Pulmonary valve | ||||
Total volume (ml) | 71 ± 11 | 71 ± 11 | 0.97 | 72 ± 11 | 73 ± 9 | 0.75 |
Cardiac output (L/min) | 4.8 ± 1.0 | 4.9 ± 1.2 | 0.70 | 4.9 ± 1.0 | 5.0 ± 1.0 | 0.55 |
Max pressure gradient (mmHg) | 8.2 ± 3.9 | 6.9 ± 1.6 | 0.24 | 3.5 ± 1.4 | 3.4 ± 1.4 | 0.66 |
Max flow rate (ml/s) | 342 ± 66 | 345 ± 71 | 0.88 | 364 ± 64 | 356 ± 71 | 0.52 |
Max velocity (cm/s) | 142 ± 25 | 130 ± 16 | 0.22 | 92 ± 17 | 91 ± 17 | 0.68 |
Atrioventricular valves | Mitral valve | Tricuspid valve | ||||
Total volume (ml) | 51 ± 7 | 70 ± 11 | 0.03 | 45 ± 7 | 67 ± 12 | 0.03 |
Semilunar-atrioventricular volume mismatch (Δml, [%]) | −20 ± 10 [−40 ± 20] |
−2 ± 3 [−3 ± 4] |
<0.01 | −28 ± 14 [−37 ± 17] |
−7 ± 8 [−9 ± 10] |
0.03 |
Max pressure gradient (mmHg) | 1.6 ± 0.7 | 1.6 ± 0.8 | 0.95 | 1.1 ± 0.3 | 1.2 ± 0.8 | 0.66 |
Early diastolic (E) | ||||||
E-volume (ml) | 49 ± 8 | 45 ± 11 | 0.22 | 46 ± 10 | 42 ± 12 | 0.27 |
E-peak flow rate (ml/s) | 345 ± 88 | 297 ± 77 | 0.34 | 258 ± 88 | 238 ± 56 | 0.61 |
E-peak velocity (cm/s) | 63 ± 13 | 58 ± 16 | 0.73 | 44 ± 10 | 41 ± 8 | 0.42 |
Late diastolic (A) | ||||||
A-volume (ml) | 2 ± 3 | 27 ± 14 | <0.01 | 2 ± 3 | 27 ± 14 | <0.01 |
A-peak flow rate (ml/s) | – | 270 ± 83 | – | – | 270 ± 46 | – |
A-peak velocity (cm/s) | – | 57 ± 11 | – | – | 49 ± 21 | – |
E/A- max flow rate | – | 1.3 ± 0.5 | – | – | 0.9 ± 0.1 | – |
E/A- max velocity | – | 1.2 ± 0.4 | – | – | 0.9 ± 0.2 | – |
Mean ± SD are shown for vascular and valvular measurements of patients with cardiovascular disease (n = 6) from both 4D sequences which were prospectively (4Dprosp) and retrospectively gated (4Dretro).