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Table 6 An increasing CAP Index indicates a modest reduction in MAP and substantial increase in ICP

From: Severe brain injury ICU outcomes are associated with Cranial-Arterial Pressure Index and noninvasive Bispectral Index and transcranial oxygen saturation: a prospective, preliminary study

CAP Index range

Number

Percent

MAP

ICP

CPP

CAP Index

0.01–0.10

521

27.7

95.7

5.2

90.4

0.06

0.11–0.20

745

39.6

93.3

12.1

81.3

0.15

0.21–0.30

377

20.0

93.7

18.1

75.6

0.24

0.31–0.40

106

5.6

91.2

23.2

68.0

0.34

> 0.40

134

7.1

89.4

36.8

52.5

0.87

  1. CAP Index, Cranial-Arterial Pressure Index (ICP/(MAP - ICP)); CPP, cerebral perfusion pressure; ICP, intracranial pressure; MAP, mean arterial pressure.
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Critical Care

ISSN: 1364-8535