Table 3 Parameters of hepatic blood flow in two groups assessed by laparoscopic intraoperative ultrasonography

Portal venous

T1

VD (cm)

0.99 ± 0.21

0.971

MV(cm/s)

23.71 ± 7.25

0.888

BFV (ml/min)

1007.59 ± 145.36

0.645

T2

VD (cm)

0.68 ± 0.18 ^{** ##}

<0.0001

MV (cm/s)

21.81 ± 8.98

0.350

BFV (ml/min)

432.90 ± 113.37 ^{** ##}

<0.0001

T3

VD (cm)

0.65 ± 0.18 ^**##

<0.0001

MV (cm/s)

21.13 ± 6.55

0.214

BFV (ml/min)

379.07 ± 101.42 ^{** ##}

<0.0001

T4

VD (cm)

0.62 ± 0.18 ^**##

<0.0001

MV (cm/s)

23. 08 ± 6.31

0.733

BFV (ml/min)

389.38 ± 106.68 ^{** ##}

0.001

T5

VD (cm)

0.98 ± 0.22

0.806

MV (cm/s)

23.81 ± 7.59

0.937

BFV (ml/min)

997.97 ± 144.60

0.937

Hepatic artery

T1

VD (cm)

0.42 ± 0.13

0.945

MV (cm/s)

37.18 ± 13.07

0.856

BFV (ml/min)

273.62 ± 79.32

0.930

T2

VD (cm)

0.35 ± 0.10 ^{* ##}

0.029

MV (cm/s)

60.88 ± 18.11 ^{* *##}

<0.0001

BFV (ml/min)

320.31 ± 93.93 ^{* ##}

0.041

T3

VD (cm)

0.38 ± 0.12

0.238

MV (cm/s)

46.89 ± 15.72 ^*

0.015

BFV (ml/min)

287.83 ± 87.37

0.504

T4

VD (cm)

0.41 ± 0.13

0.919

MV (cm/s)

38.05 ± 12.56

0.837

BFV (ml/min)

274.72 ± 83.69

0.992

T5

VD (cm)

0.42 ± 0.13

0.952

MV (cm/s)

36.77 ± 12.93

0.909

BFV (ml/min)

273.62 ± 81.20

0.902

Total Hepatic blood flow

T1

BFV (ml/min)

1281.21 ± 218.34

0.787

T2

BFV (ml/min)

753.21 ± 194.84 ^{** ##}

<0.0001

T3

BFV (ml/min)

666.90 ± 179.72 ^**##

<0.0001

T4

BFV (ml/min)

664.10 ± 185.95 ^**##

<0.0001

T5

BFV (ml/min)

1271.59 ± 219.67

0.997