Table 3 Power spectrum analysis of mean arterial pressure (MAP) and mean cerebral blood flow velocity (CBFV) in ventricular assist device (VAD) cases and controls

VAD1

0.80

2.77

0.28

0.48

0.94

0.47

VAD2

2.34

7.94

2.41

3.77

0.32

1.46

VAD3

1.06

3.22

0.20

0.94

8.88

3.72

VAD4

3.26

6.55

4.42

3.67

2.15

1.79

VAD5

2.97

2.61

0.49

1.14

5.44

2.24

Mean ± SD

2.09 ± 1.11

4.62 ± 2.46

1.56 ± 1.84

2.00 ± 1.59

3.55 ± 3.58

1.94 ± 1.19

Control

VLF

LF

HF

pMAP

pCBFV

pMAP

pCBFV

pMAP

pCBFV

C1

0.47

1.12

1.55

0.80

3.80

0.56

C2

1.52

4.92

0.08

0.61

2.44

1.42

C3

2.43

6.93

0.10

0.43

2.55

1.69

C4

0.95

2.72

0.23

0.65

0.17

0.25

C5

0.24

1.20

0.70

1.42

1.98

3.23

Mean ± SD

1.12 ± 0.88

3.38 ± 2.51

0.53 ± 0.62

0.78 ± 0.38

2.19 ± 1.31

1.43 ± 1.17

P

0.17

0.45

0.27

0.13

0.45

0.52