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.

Leroux et al.

Leroux et al. BMC Veterinary Research 2012 8:190   doi:10.1186/1746-6148-8-190

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