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Table 1 PWV parameters assessed by in vivo Doppler ultrasound

From: In vivo assessment of arterial stiffness in the isoflurane anesthetized spontaneously hypertensive rat

Age

n

Heart rate (bpm)

Distance (D) (mm)

R to Carotid foot (msec)

R to Iliac foot (msec)

Time (T) (msec)

PWV (m/sec)

SHR (young)

10

439 ± 34

134.0 ± 9.7

24.3 ± 2.9

41.1 ± 2.3

16.8 ± 1.3

8.0 ± 0.8

SHR (old)

10

432 ± 32

156.0 ± 10.7

23.8 ± 3.9

35.9 ± 3.8

12.1 ± 2.3

13.2 ± 2

 

N.S.

P < 0.001

N.S.

P < 0.01

P < 0.001

P < 0.001

  1. D = distance from the carotid to the iliac notch.
  2. R = R wave of the EKG.
  3. T = (R to Iliac foot) – (R to Carotid foot).
  4. Data are presented as mean ± SD.