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Table 3 Reactions of ITP, ITPamp, ICP, ICPamp, ABP, ABPamp, CVP, CVPamp, during bolus infusions

From: Intercompartmental communication between the cerebrospinal and adjacent spaces during intrathecal infusions in an acute ovine in-vivo model

Sheep

ΔITP (mmHg)

ΔITPamp (mmHg)

ΔICP (mmHg)

ΔICPamp (mmHg)

ΔABP (mmHg)

ΔABPamp (mmHg)

ΔCVP (mmHg)

ΔCVPamp

(mmHg)

A

24.9 ± 2.3

2.5 ± 0.4

1.9 ± 0.3

1.4 ± 0.3

3.2 ± 0.9

1.1 ± 0.3

0.0 ± 0.1

0.3 ± 0.1

B

24.4 ± 0.8

2.7 ± 0.2

24.2 ± 1.0

1.1 ± 0.2

2.3 ± 0.8

1.3 ± 0.7

0.0 ± 0.2

0.1 ± 0.1

C

14.1 ± 2.0

2.1 ± 0.4

13.8 ± 1.1

1.3 ± 0.3

0.8 ± 0.9

1.0 ± 0.4

-0.0 ± 0.1

0.0 ± 0.1

D

14.0 ± 0.5

2.6 ± 0.4

9.8 ± 0.7

1.2 ± 0.2

4.1 ± 0.5

1.4 ± 0.3

0.0 ± 0.1

0.1 ± 0.1

E

42.2 ± 0.5

2.4 ± 0.3

2.3 ± 0.4

1.3 ± 0.2

0.7 ± 0.9

0.7 ± 0.1

0.1 ± 0.1

0.3 ± 0.1

F

13.8 ± 0.5

1.9 ± 0.1

13.5 ± 0.5

1.0 ± 0.2

8.4 ± 0.9

2.4 ± 0.4

0.6 ± 0.2

0.3 ± 0.2

  1. ITP, intrathecal pressure; ITPamp, intrathecal pressure pulse amplitude; ICP, intracranial pressure; ICPamp, intracranial pressure pulse amplitude; ABP, arterial blood pressure; ABPamp, arterial blood pressure pulse amplitude; CVP, central venous pressure, CVPamp, central venous pressure pulse amplitude