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Table 6 Intracranial pressure changes with cough

From: Evaluation of diurnal and postural intracranial pressure employing telemetric monitoring in idiopathic intracranial hypertension

 

Before

Mean (SD)

During

Mean (SD)

After

Mean (SD)

Change

(before to during)

Mean (SD)

% Change

(before to during)

P value

(before-during)

Change*

(before to after)

Mean (SD)

% Change*

(before to after)

p Value*

(before to after)

Mean (mmHg)

11.6 (5.0)

-

10.9 (5.4)

-

-

-

-0.7 (4.5)

-5.9

0.2201

Peak (mmHg)

14.9 (5.8)

66.7 (27.2)

13.8 (6.0)

51.1 (26.7)

343.0

< 0.0001

-1.0 (4.6)

-7.0

0.0704

Trough (mmHg)

7.4 (4.3)

-

6.8 (4.6)

-

-

-

-0.5 (3.8)

-7.2

0.2511

Amplitude (mmHg)

7.5 (2.4)

60.2 (25.8)

7.0 (2.2)

52.2 (25.3)

696.0

< 0.0001

-0.5 (1.7)

-6.6

0.0009**

  1. The table shows results of waveform analysis of patient performing a single maximal cough, columns 2–4 show mean ICP before the inflexion of the ICP rise due to the bending event, during the event and following the inflexion at the end of the event. Columns 5–7 show comparison between the values before and during the event. Columns 8–10 show comparison between values before and after the event
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Fluids and Barriers of the CNS

ISSN: 2045-8118