Table 3.
Real-time three-dimensional echocardiographic assessment
| Variable | Controls | Trimester 1 | Trimester 2 | Trimester 3 | Postpartum |
|---|---|---|---|---|---|
| - | (14.1 ± 1.6)wk | (25.5 ± 2.6)wk | (37.8 ± 2.4)wk | (7.8 ± 2.4)mo | |
| LV EDV(ml) | 76.14 ± 21.20 | 81.39 ± 19.54 | 83.78 ± 14.58 | 87.72 ± 17.18*† | 82.77 ± 16.85‡ |
| LV ESV(ml) | 32.00 ± 7.29 | 33.91 ± 6.16 | 36.30 ± 7.96* | 39.67 ± 7.98* | 34.08 ± 8.32 |
| LVEDVi(ml/m2) | 44.06 ± 17.44 | 41.93 ± 18.61 | 49.33 ± 14.49† | 51.67 ± 12.65*† | 46.63 ± 16.49 |
| 3D EF(%) | 60.14 ± 4.16 | 59.48 ± 5.77 | 58.00 ± 4.06 | 57.07 ± 4.62*† | 59.16 ± 6.12 |
| 3D CI(l · min−1 · m−2) | 2.26 ± 0.93 | 2.17 ± 1.02 | 2.49 ± 1.09† | 2.54 ± 1.17*† | 2.27 ± 1.43 |
| 3D SVI(ml/m2) | 27.79 ± 9.96 | 27.51 ± 10.36 | 29.58 ± 9.62 | 31.37 ± 1.73 | 28.08 ± 11.02 |
| LVMi (g/m2) | 59.25 ± 18.00 | 62.57 ± 24.81 | 66.37 ± 16.74 | 71.23 ± 14.46*† | 63.14 ± 16.08‡ |
| Sphericity index | 0.27 ± 0.04 | 0.31 ± 0.07* | 0.32 ± 0.05*§ | 0.32 ± 0.06* | 0.28 ± 0.06‡ |
| LA index (ml/m2) | 11.0 ± 2.5 | 12.3 ± 4.2 | 13.1 ± 3.3*§ | 14.2 ± 4.3*† | 11.2 ± 3.3‡ |
| GLS (%) | 20.29 ± 2.97 | 21.32 ± 2.61 | 20.30 ± 2.66‡ | 18.85 ± 2.99*† | 20.82 ± 2.31‡ |
| GCS (%) | 18.71 ± 3.93 | 18.91 ± 3.70 | 18.05 ± 2.99 | 16.65 ± 2.99*† | 18.91 ± 4.07‡ |
| GAS (%) | 33.71 ± 5.28 | 34.77 ± 4.21 | 33.09 ± 3.56‡ | 31.10 ± 4.53*† | 34.68 ± 4.81‡ |
| GRS (%) | 56.36 ± 12.15 | 58.32 ± 9.88 | 55.36 ± 8.47‡ | 50.23 ± 10.12*† | 57.62 ± 10.10‡ |
Data are given as mean ± SD, LVEDV indicates left ventricular end-diastolic volume; LVESV, left ventricular end-systolic volume; LVEDVi, left ventricular end-diastolic volume index; EF, ejection fraction; CI, cardiac index; SVI, stroke volume index; LVMi, left ventricular mass index; LA index, left atrial volume index; GLS, global longitudinal strain; GCS, global circumferential strain; GAS, global area strain; GRS, global radial strain.
*P < 0.05 vs. Controls; † P < 0.05 vs. Trimester 1; ‡ P < 0.05 vs. Trimester 3; § P < 0.05 vs. Postpartum.