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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

From: Repeatability, variability and reference values of pulsed wave Doppler echocardiographic measurements in healthy Saanen goats

 

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

  1. 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.
  2. * Significantly different from corresponding value obtained from the right side, p < 0.05.