Table 1. Cardiac function measured by conventional and strain echocardiography.
| Variables | Baseline (n=20) | 6-hour (n=10) | 20-hour (n=10) |
|---|---|---|---|
| LVIDd (mm) | 3.11±0.23 | 3.23±0.32 | 2.69±0.45 |
| LVIDs (mm) | 1.87±0.19 | 2.38±0.37* | 1.73±0.43# |
| LVVd (μL) | 77.50±17.53 | 88.20±25.23 | 55.60±22.42 |
| LVVs (μL) | 17.50±4.63 | 38.20±15.37* | 22.50±8.86# |
| EF (%) | 77.25±2.96 | 58.45±7.94* | 71.44±12.03# |
| FS (%) | 40.00±2.83 | 26.55±4.78* | 36.08±9.18# |
| Srad (%) | 27.55±10.67 | 13.28±8.49 | 11.47±5.82* |
| Scirc (%) | −14.65±3.00 | −8.48±1.72* | −7.16±1.79*# |
Data are given as mean ± standard deviation. *, P<0.05, vs. baseline group; #, P<0.05, vs. 6-h group. LVIDd, left ventricular internal diameter at diastole; LVIDs, left ventricular internal diameter at systole; LVVd, left ventricular volume at diastole; LVVs, left ventricular volume at systole; EF, ejection fraction; FS, fractional shortening; Scirc, circumferential strain; Srad, radial strain.