Table 1.
Comparison of pulse wave Doppler echocardiographic parameters of the aortic flow obtained on the right and on the left side in 10 healthy adult Saanen goats, and within-day and between-day variability of these measurements performed on 3 following days by the same observer
| LSMean ± SE Right side | LSMean ± SE Left side | Observed Mean ± SD | Confidence Intervals (5 – 95%) | Within-day CV (%) | Between-day CV (%) | |
|---|---|---|---|---|---|---|
| Vmax (m/s) |
0.99 ± 0.006 |
1.11 ± 0.006 * |
1.05 ± 0.14 |
0.98 – 1.11 |
4.87 |
6.62 |
| Vmean (m/s) |
0.73 ± 0.004 |
0.79 ± 0.004 * |
0.76 ± 0.09 |
0.72 – 0.81 |
5.60 |
6.43 |
| ET (ms) |
266.89 ± 1.41 |
271.95 ± 1.40 * |
269.42 ± 23.17 |
254.38 – 284.45 |
4.68 |
6.37 |
| VTI (cm) |
19.58 ± 0.14 |
21.42 ± 0.14 * |
20.51 ± 2.77 |
18.98 – 22.03 |
6.76 |
8.47 |
| PEP (ms) |
49.80 ± 0.55 |
50.89 ± 0.55 |
50.38 ± 6.84 |
44.48 – 56.28 |
11.49 |
13.35 |
| TTP (ms) |
102.53 ± 1.57 |
82.74 ± 1.56 * |
92.58 ± 19.70 |
75.77 – 109.37 |
16.31 |
20.70 |
| Acc slope (m/s2) |
10.28 ± 0.24 |
13.95 ± 0.24 * |
12.13± 3.29 |
9.58 – 14.67 |
17.67 |
23.93 |
| Dec slope (m/s2) |
6.35 ± 0.08 |
6.067 ± 0.08 * |
6.21 ± 1.44 |
5.38 – 7.03 |
11.14 |
15.16 |
| Dec Time (ms) |
164.35 ± 1.79 |
189.21 ± 1.78 * |
176.85 ± 26.82 |
157.68 – 196.01 |
10.30 |
12.36 |
| SV (ml) |
61.77 ± 0.45 |
67.61 ± 0.45 * |
64.71 ± 8.60 |
59.87 – 69.55 |
6.76 |
8.52 |
| CO (l/min) |
5.80 ± 0.44 |
6.16 ± 0.44 * |
5.98 ± 0.96 |
5.51 – 6.45 |
6.76 |
8.46 |
| SI (ml/kg) |
0.96 ± 0.007 |
1.05 ± 0.007 * |
1.00 ± 0.14 |
0.92 – 1.08 |
6.76 |
8.98 |
| CI (ml/kg/min) |
89.81 ± 0.72 |
95.27 ± 0.72 * |
92.45 ± 14.91 |
84.78 – 100.11 |
6.76 |
8.82 |
| PEP/ET | 0.19 ± 0.003 | 0.19 ± 0.003 | 0.19 ± 0.03 | 0.16 – 0.22 | 13.37 | 9.46 |
Acc: Acceleration, CI: Cardiac Index, CO: Cardiac output, CV: Coefficient of variation, Dec: Deceleration, ET: Ejection time of the aortic flow, LSMean: Least Square Mean, PEP: Pre-ejection period of the aortic flow, SD: Standard deviation, SE: Standard error, SI: Stroke index, SV: Stroke volume, TPP: Time to peak of the aortic flow, Vmax: Peak velocity of the aortic flow, Vmean: Mean velocity of the aortic flow, VTI: Velocity time integral of the aortic flow.
* Significantly different from corresponding value obtained from the right side, p < 0.05.