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Table 2 Peak, pulse, and average longitudinal pressure dissociation in the subarachnoid space between caudal and rostral sensors (SSE, SSED, SRE and SAE as for Table 1).

From: The influence of coughing on cerebrospinal fluid pressure in an in vitro syringomyelia model with spinal subarachnoid space stenosis

 

Longitudinal pressure dissociation, LPD (mmHg)

LPD(t) = P SAS ,4cm(t) - P SAS ,32cm(t)

model

peak

pulse

average

SSED

15.8

17.2

5.2

SSE

35.6

40.2

14.7

SAE

67.8

83.1

3.2

SRE

14.0

28.5

-0.1

  1. Key: Tolerances are estimated from the manufacturing process tolerances and supplier specifications. SSE = stenosis with syrinx model, SSED = stenosis with syrinx model with distensible spinal column, SRE = stenosis removed model, and SAE = stenosis alone model.
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Fluids and Barriers of the CNS

ISSN: 2045-8118