Table 2.
Control values of main mechanical parameters of human right atrial trabeculae
| Experimental groups | Lmax (mm) | CSA (mm2) | FoC (mN.mm−2) | RF/TF |
|---|---|---|---|---|
| Control (n = 6) | 6.0 ± 1.2 | 0.52 ± 0.17 | 24 ± 18 | 0.33 ± 0.14 |
| Propofol All-0.1 µM (n = 6) | 5.8 ± 1.7 | 0.33 ± 0.12 | 23 ± 12 | 0.40 ± 0.09 |
| Propofol All-1 µM (n = 6) | 6.3 ± 1.2 | 0.68 ± 0.38 | 29 ± 13 | 0.35 ± 0.12 |
| Propofol All-10 µM (n = 6) | 6.9 ± 2.0 | 0.46 ± 0.17 | 27 ± 5 | 0.29 ± 0.05 |
| Propofol Pre-0.1 µM (n = 6) | 5.8 ± 1.0 | 0.50 ± 0.16 | 19 ± 7 | 0.32 ± 0.15 |
| Propofol Pre-1 µM (n = 6) | 6.7 ± 1.8 | 0.51 ± 0.25 | 27 ± 11 | 0.35 ± 0.14 |
| Propofol Pre-10 µM (n = 6) | 5.5 ± 1.3 | 0.48 ± 0.24 | 19 ± 11 | 0.31 ± 0.12 |
| Propofol Post-0.1 µM (n = 6) | 7.0 ± 1.6 | 0.40 ± 0.09 | 17 ± 9 | 0.39 ± 0.10 |
| Propofol Post-1 µM (n = 6) | 6.5 ± 1.1 | 0.63 ± 0.24 | 18 ± 9 | 0.39 ± 0.05 |
| Propofol Post-1 0 µM (n = 6) | 5.5 ± 1.0 | 0.34 ± 0.08 | 30 ± 15 | 0.35 ± 0.12 |
| Post-10 µM + 5-Hydroxy-Decanoate (n = 6) | 4.7 ± 0.8 | 0.32 ± 0.12 | 24 ± 16 | 0.38 ± 0.11 |
| Post-10 µM + NG-nitro-L-arginine methyl ester (n = 6) | 5.3 ± 1.5 | 0.41 ± 0.15 | 26 ± 11 | 0.26 ± 0.07 |
| 5-Hydroxy-Decanoate (n = 6) | 5.9 ± 0.9 | 0.48 ± 0.07 | 17 ± 7 | 0.39 ± 0.07 |
| NG-nitro-L-arginine methyl ester (n = 6) | 5.6 ± 1.6 | 0.45 ± 0.05 | 21 ± 6 | 0.31 ± 0.06 |
| Intralipid-All (n = 6) | 5.5 ± 1.4 | 0.55 ± 0.16 | 25 ± 10 | 0.25 ± 0.07 |
| Intralipid-Post (n = 6) | 6.2 ± 1.7 | 0.37 ± 0.11 | 21 ± 10 | 0.39 ± 0.10 |
Lmax: maximal length at the apex of the length-active force curve; CSA: cross-sectional area; FoC: isometric force of contraction normalized per cross-sectional area; RF/TF: ratio of resting force on total force; LVEF: preoperative left ventricular ejection fraction.
Note: Data are mean ± SD.