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Table 2 Comparison of Doppler flow measured PWV and calculated EaI by pressure-volume loop analysis

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

  

Doppler ultrasound

Pressure-volume loops

Age

n

Weight (g)

Heart rate (bpm)

PWV (m/sec)

Heart rate (bpm)

EaI (mmHg/μl/g)

SHR (young)

10/8

289 ± 9

439 ± 34

8.0 ± 0.8

346 ± 29*

97 ± 16

SHR (old)

10/7

388 ± 26

432 ± 32

13.2 ± 2

328 ± 38*

120 ± 20

  

P < 0.001

NS

P < 0.001

NS

P < 0.05

  1. Data are presented as mean ± SD.
  2. *P <0.0001 vs. heart rate measured by ultrasound.
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Cardiovascular Ultrasound

ISSN: 1476-7120

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