Table 1.
Influence of position related to gestational weeks.
| Pre pregnancy (N = 5) | T20 (N = 6) | T32 (N = 8) | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Supine position Mean (SD) |
Left lateral position Mean (SD) |
p-value |
Supine position Mean (SD) |
Left lateral position Mean (SD) |
p-value |
Supine position Mean (SD) |
Left lateral position Mean (SD) |
p-value | |||||||
| LEFT ATRIUM AND LEFT VENTRICLE | |||||||||||||||
| HR | 78.2 | (12.7) | 73.0 | (12.1) | 0.180 | 80.5 | (11.3) | 72.3 | (5.3) | 0.104 | 80.8 | (15.7) | 75.2 | (10.6) | 0.237 |
| EF (%) | 56.2 | (3.5) | 55.9 | (4.3) | 0.686 | 53.8 | (4.4) | 57.8 | (4.6) | 0.046 | 51.8 | (7.2) | 57.7 | (8.0) | 0.012 |
| EDV (ml) | 156.5 | (23.3) | 153.5 | (24.7) | 0.686 | 140.8 | (37.1) | 157.4 | (20.7) | 0.115 | 138.4 | (22.1) | 166.1 | (25.6) | 0.012 |
| ESV (ml) | 68.6 | (12.7) | 67.8 | (14.1) | 0.893 | 64.6 | (17.9) | 66.5 | (11.8) | 0.917 | 67.1 | (16.4) | 71.4 | (22.3) | 0.484 |
| SV (ml) | 87.8 | (12.9) | 85.7 | (13.4) | 0.223 | 76.0 | (21.1) | 90.9 | (13.4) | 0.028 | 71.2 | (12.2) | 94.8 | (13.1) | 0.012 |
| CO (L/min) | 6.8 | (0.8) | 6.2 | (1.2) | 0.043 | 6.5 | (1.1) | 6.5 | (1.6) | 0.917 | 5.6 | (0.7) | 6.9 | (0.9) | 0.012 |
| LA vol (ml) | 65.5 | (13.3) | 57.1 | (15.8) | 0.068 | 51.8 | (12.7) | 60.8 | (10.3) | 0.028 | 49.0 | (20.9) | 68.6 | (15.7) | 0.012 |
| LA lat (mm) | 39.7 | (2.8) | 37.8 | (3.3) | 0.080 | 35.0 | (3.9) | 36.7 | (3.7) | 0.028 | 35.4 | (2.4) | 40.7 | (3.7) | 0.012 |
| LA si (mm) | 45.1 | (6.7) | 43.7 | (3.4) | 0.500 | 40.3 | (3.9) | 44.9 | (3.2) | 0.027 | 39.7 | (6.3) | 44.7 | (8.2) | 0.025 |
| RIGHT ATRIUM AND RIGHT VENTRICLE | |||||||||||||||
| EF (%) | 51.5 | (5.5) | 46.4 | (4.0) | 0.225 | 50.5 | (3.4) | 52.9 | (4.7) | 0.249 | 53.2 | (6.8) | 54.6 | (6.6) | 0.575 |
| EDV (ml) | 161.0 | (24.8) | 168.6 | (29.2) | 0.043 | 132.0 | (34.6) | 156.1 | (22.3) | 0.028 | 138.8 | (37.3) | 155.9 | (22.6) | 0.161 |
| ESV (ml) | 78.7 | (18.8) | 90.5 | (17.6) | 0.080 | 65.1 | (16.5) | 73.1 | (8.9) | 0.463 | 65.7 | (22.6) | 71.8 | (18.7) | 0.484 |
| SV (ml) | 82.3 | (10.7) | 78.1 | (14.1) | 0.345 | 66.9 | (19.3) | 84.1 | (16.9) | 0.028 | 73.1 | (17.2) | 84.1 | (7.9) | 0.050 |
| CO (L/min) | 6.4 | (1.0) | 5.6 | (1.1) | 0.138 | 5.3 | (1.5) | 5.9 | (1.8) | 0.075 | 5.6 | (0.6) | 6.3 | (0.7) | 0.025 |
| RA lat (mm) | 34.4 | (5.0) | 33.5 | (5.2) | 0.345 | 32.4 | (4.0) | 33.2 | (5.2) | 0.500 | 33.9 | (6.2) | 36.2 | (7.1) | 0.484 |
| RA si (mm) | 47.5 | (2.8) | 45.9 | (4.4) | 0.345 | 40.4 | (4.4) | 45.1 | (5.6) | 0.042 | 44.5 | (6.0) | 45.2 | (7.8) | 0.889 |
T20: 20th gestational week; T32: 32nd gestational week.
EF (ejection fraction), EDV (end-diastolic volume), ESV (end-systolic volume), SV (stroke volume), CO (cardiac output), LAvol (left atrium volume), LAlat (left atrium lateral diameter), LAsi (left atrium supero-inferior diameter), RAlat (right atrium lateral diameter), RAsi (right atrium supero-inferior diameter)